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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 3749. Отображено 100.
02-02-2012 дата публикации

Lithium air battery

Номер: US20120028164A1

A lithium air battery including an aqueous electrolyte. In the lithium air battery, a lithium halide is included in the aqueous electrolyte in order to prevent lithium hydroxide and a solid electrolyte from reacting with each other so as to protect the negative electrode, thereby improving electrical characteristics of the lithium air battery.

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22-03-2012 дата публикации

Method and system for generating electrical energy from water

Номер: US20120067390A1
Автор: Gerald H. Pollack
Принадлежит: UNIVERSITY OF WASHINGTON

Method and system for generating electrical energy from a volume of water.

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29-03-2012 дата публикации

Redox Flow Batteries Based on Supporting Solutions Containing Chloride

Номер: US20120077079A1
Принадлежит: Battelle Memorial Institute Inc

Redox flow battery systems having a supporting solution that contains Cl − ions can exhibit improved performance and characteristics. Furthermore, a supporting solution having mixed SO 4 2− and Cl − ions can provide increased energy density and improved stability and solubility of one or more of the ionic species in the catholyte and/or anolyte. According to one example, a vanadium-based redox flow battery system is characterized by an anolyte having V 2+ and V 3+ in a supporting solution and a catholyte having V 4+ and V 5+ in a supporting solution. The supporting solution can contain Cl − ions or a mixture of SO 4 2− and Cl − ions.

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03-05-2012 дата публикации

Flexible Thin Printed Battery and Device and Method of Manufacturing Same

Номер: US20120107666A1
Принадлежит: Eveready Battery Co Inc

A flat, flexible electrochemical cell is provided. The within invention describes various aspects of the flat, flexible electrochemical cell. A printed anode is provided that obviates the need for a discrete anode current collector, thereby reducing the size of the battery. An advantageous electrolyte is provided that enables the use of a metallic cathode current collector, thereby improving the performance of the battery. Printable gelled electrolytes and separators are provided, enabling the construction of both co-facial and co-planar batteries. Cell contacts are provided that reduce the potential for electrolyte creepage in the flat, flexible electrochemical cells of the within invention.

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11-10-2012 дата публикации

Curable Compositions And Membranes

Номер: US20120259027A1
Принадлежит: FUJIFILM MANUFACTURING EUROPE BV

A curable composition comprising: (i) 2.5 to 50 wt % crosslinker comprising at least two acrylamide groups; (ii) 20 to 65 wt % curable ionic compound comprising an ethylenically unsaturated group and an anionic group; (iii) 15 to 45 wt % solvent; and (iv) 0 to 10 wt % of free radical initiator; wherein the molar ratio of (i):(ii) is 0.1 to 1.5. The compositions are useful for preparing ion exchange membranes.

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25-10-2012 дата публикации

Fluoride ion electrochemical cell

Номер: US20120270076A9
Автор: Rachid Yazami

The present invention provides electrochemical cells capable of good electronic performance, particularly high specific energies, useful discharge rate capabilities and good cycle life. Electrochemical cells of the present invention are versatile and include primary and secondary cells useful for a range of important applications including use in portable electronic devices. Electrochemical cells of the present invention also exhibit enhanced safety and stability relative to conventional state of the art primary lithium batteries and lithium ion secondary batteries. For example, electrochemical cells of the present invention include secondary electrochemical cells using anion charge carriers capable of accommodation by positive and negative electrodes comprising anion host materials, which entirely eliminate the need for metallic lithium or dissolved lithium ion in these systems.

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27-12-2012 дата публикации

High rate, long cycle life battery electrode materials with an open framework structure

Номер: US20120328936A1
Принадлежит: Leland Stanford Junior University

A battery includes a cathode, an anode, and an aqueous electrolyte disposed between the cathode and the anode and including a cation A. At least one of the cathode and the anode includes an electrode material having an open framework crystal structure into which the cation A is reversibly inserted during operation of the battery. The battery has a reference specific capacity when cycled at a reference rate, and at least 75% of the reference specific capacity is retained when the battery is cycled at 10 times the reference rate.

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03-01-2013 дата публикации

Protected lithium electrodes having a polymer electrolyte interlayer and battery cells thereof

Номер: US20130004852A1
Принадлежит: Polyplus Battery Co Inc

Active metal and active metal intercalation electrode structures and battery cells having ionically conductive protective architecture including an active metal (e.g., lithium) conductive impervious layer separated from the electrode (anode) by a porous separator impregnated with a non-aqueous electrolyte (anolyte). This protective architecture prevents the active metal from deleterious reaction with the environment on the other (cathode) side of the impervious layer, which may include aqueous or non-aqueous liquid electrolytes (catholytes) and/or a variety electrochemically active materials, including liquid, solid and gaseous oxidizers. Safety additives and designs that facilitate manufacture are also provided.

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20-02-2014 дата публикации

High solubility iron hexacyanides

Номер: US20140051003A1
Принадлежит: Sun Catalytix Corp

Stable solutions comprising high concentrations of charged coordination complexes, including iron hexacyanides are described, as are methods of preparing and using same in chemical energy storage systems, including flow battery systems. The use of these compositions allows energy storage densities at levels unavailable by other iron hexacyanide systems.

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07-01-2016 дата публикации

Assembly for making a fuel cell component and a method of using the assembly

Номер: US20160006067A1
Автор: Manish Khandelwal

According to an example embodiment, a fuel cell component manufacturing assembly includes a support member that is configured to be situated adjacent the fuel cell component to provide support for the component. The support member has a perimeter corresponding to a perimeter of the component. A platen member has a configuration corresponding to at least a portion of the support member for being received against a portion of the component. A temperature of the platen member is controllable to achieve a desired temperature of a material situated adjacent the platen member. The platen member has a surface area that is less than a surface area of the component such that only the portion of the component is subject to pressure resulting from a force urging the platen member and the support member together with the component between the support member and the platen member.

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04-01-2018 дата публикации

ELECTROLYTIC CAPACITOR AND MANUFACTURING METHOD THEREFOR

Номер: US20180005759A1
Принадлежит:

An electrolytic capacitor includes an anode body, a first conductive polymer layer, and a second conductive polymer layer. The anode body includes a dielectric layer. The first conductive polymer layer covers at least a part of the dielectric layer. The second conductive polymer layer covers at least a part of the first conductive polymer layer. The first conductive polymer layer includes a first conductive polymer. The second conductive polymer layer includes a second conductive polymer. At least one of the first conductive polymer layer and the second conductive polymer layer further includes a hydroxy compound. The hydroxy compound has two or more alcoholic hydroxy groups or two or more phenolic hydroxy groups, and has a melting point ranging from 40° C. to 150° C., inclusive. 1. An electrolytic capacitor comprising:an anode body including a dielectric layer; anda solid electrolyte layer covering at least a part of the dielectric layer and including a hydroxy compound, wherein: a first conductive polymer layer covering at least a part of the dielectric layer and including a first conductive polymer; and', 'a second conductive polymer layer covering at least a part of the first conductive polymer layer and including a second conductive polymer,, 'the solid electrolyte layer includesthe second conductive polymer layer includes a polymer dopant and the hydroxy compound, andthe hydroxy compound has two or more alcoholic hydroxy groups or two or more phenolic hydroxy groups, the hydroxy compound having a melting point ranging from 40° C. to 150° C., inclusive.2. The electrolytic capacitor according to claim 1 , wherein:the first conductive polymer layer and the second conductive polymer layer each include the hydroxy compound, anda concentration of the hydroxy compound included in the second conductive polymer layer is higher than a concentration of the hydroxy compound included in the first conductive polymer layer.3. The electrolytic capacitor according to claim 1 , ...

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07-01-2021 дата публикации

Smart Packaging for Any Type of Product

Номер: US20210005854A1
Принадлежит:

The present invention is directed to a smart metal, glass, paper-based, wood-based, or plastic packaging comprising at least one electric power source, characterized in that a structural component of the packaging forms a component of the at least one electric power source, said structural component being a component or material layer offering a contribution to enable the packaging to contain a product or to be transported. In addition, the present invention is directed to a method for manufacturing a smart packaging is provided comprising the steps of manufacturing a packaging and constituting at least one electric power source on or in the packaging, wherein a structural component of the packaging is taken for constituting a component of the at least one electric power source, said structural component being a component or material layer offering a contribution to enable the packaging to contain a product or to 1. A smart metal , glass , paper-based , wood-based , or plastic packaging comprising at least one electric power source , characterized in that a structural component of the packaging forms a component of the at least one electric power source , said structural component being a component or material layer offering a contribution to enable the packaging to contain a product or to be transported.2. The smart packaging according to claim 1 , wherein said structural component of the packaging is a metal structural component forming an electrically conductive layer of the at least one electric power source.3. The smart packaging according to claim 2 , wherein the metal structural component is a metal layer of a bottle or can claim 2 , the aluminum of a bottle or can claim 2 , or a metal layer of a keg or metal container.4. The smart packaging according to claim 1 , wherein a glass claim 1 , wood-based claim 1 , paper-based claim 1 , or plastic structural component of the smart packaging forms an electrically non-conductive layer of the at least one electric ...

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07-01-2021 дата публикации

Liquid Powered Assembly

Номер: US20210005873A1
Автор: BEDOL MARK A., Scott Kohar
Принадлежит:

A liquid powered assembly including a housing; a removable bottom base; a seal; an electrolyte battery assembly; and, a liquid powered device is described. The housing includes an upper end portion and a lower end portion. The housing has a volume for containing an electrolyte solution. The lower end portion has a fluid inlet. The removable bottom base has a bottom surface for supporting the liquid powered assembly. A seal engages the housing and the removable bottom base to help contain the liquid. An electrolyte battery assembly is positioned within the housing. A liquid powered device is operably attached to the electrolyte battery assembly. To function, the housing and the removable bottom base are detached relative to each other and the housing is turned substantially upside down to allow filling of the housing via the inlet. The bottom base is then attached to the housing and the assembly is then inverted for use. 1. A liquid powered assembly , comprising: a housing , having an upper end portion and a lower end portion , said housing having a volume therein for containing an electrolyte solution , said lower end portion having a fluid inlet; a removable bottom base removably attached to said lower end portion of said housing , said removable bottom base having a bottom surface for supporting said liquid powered assembly , a stem of said lower end portion of said housing threading into said removable bottom base; wherein said housing sits atop said base; a seal for engaging said housing and said removable bottom base for providing fluidic sealing engagement there between at said fluid inlet , said seal being positioned under said housing and above said removable bottom base; an electrolyte battery assembly positioned within said housing , said electrolyte battery assembly having two or more sets of metal rods disposed centrally within said housing; a divider , said divider disposed centrally within said housing approaching a top of said upper end portion; ...

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03-01-2019 дата публикации

Shape-Conformable Alkali Metal-Sulfur Battery Having a Deformable and Conductive Quasi-Solid Electrode

Номер: US20190006719A1
Автор: Aruna Zhamu, Bor Z. Jang
Принадлежит: Nanotek Instruments Inc

Provided is an alkali metal-sulfur cell comprising: (a) a quasi-solid cathode containing about 30% to about 95% by volume of a cathode active material (a sulfur-containing material), about 5% to about 40% by volume of a first electrolyte containing an alkali salt dissolved in a solvent (but no ion-conducting polymer dissolved therein), and about 0.01% to about 30% by volume of a conductive additive wherein the conductive additive, containing conductive filaments, forms a 3D network of electron-conducting pathways such that the quasi-solid electrode has an electrical conductivity from about 10−6 S/cm to about 300 S/cm; (b) an anode; and (c) an ion-conducting membrane or porous separator disposed between the anode and the quasi-solid cathode; wherein the quasi-solid cathode has a thickness from 200 μm to 100 cm and a cathode active material having an active material mass loading greater than 10 mg/cm2.

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03-01-2019 дата публикации

Method of Producing Shape-Conformable Alkali Metal-Sulfur Battery Having a Deformable and Conductive Quasi-Solid Electrode

Номер: US20190006721A1
Автор: Jang Bor Z., Zhamu Aruna
Принадлежит: Nanotek Instruments, Inc.

Provided is a method of preparing an alkali-sulfur cell comprising: (a) combining a quantity of an active material, a quantity of an electrolyte containing an alkali salt dissolved in a solvent, and a conductive additive to form a deformable and electrically conductive electrode material, wherein the conductive additive, containing conductive filaments, forms a 3D network of electron-conducting pathways; (b) forming the electrode material into a quasi-solid electrode (the first electrode), wherein the forming step includes deforming the electrode material into an electrode shape without interrupting the 3D network of electron-conducting pathways such that the electrode maintains an electrical conductivity no less than 10S/cm; (c) forming a second electrode (the second electrode may be a quasi-solid electrode as well); and (d) forming an alkali-sulfur cell by combining the quasi-solid electrode and the second electrode having an ion-conducting separator disposed between the two electrodes. 1. A method of producing an alkali metal-sulfur cell having a quasi-solid electrode , the method comprising:(a) combining a quantity of a cathode active material, a quantity of an electrolyte, and a conductive additive to form a deformable and electrically conductive cathode material, wherein said cathode active material contains a sulfur-containing material selected from sulfur, a metal-sulfur compound, a sulfur-carbon composite, a sulfur-graphene composite, a sulfur-graphite composite, an organic sulfur compound, a sulfur-polymer composite, or a combination thereof, and wherein said conductive additive, containing conductive filaments, forms a 3D network of electron-conducting pathways and said electrolyte contains an alkali salt dissolved in a solvent and no ion-conducting polymer dissolved or dispersed in said solvent;{'sup': '−6', '(b) forming the cathode material into a quasi-solid cathode, wherein said forming includes deforming the cathode material into an electrode shape ...

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14-01-2021 дата публикации

QUINONES HAVING HIGH CAPACITY RETENTION FOR USE AS ELECTROLYTES IN AQUEOUS REDOX FLOW BATTERIES

Номер: US20210009497A1
Принадлежит:

We disclose quinone compounds and related species (Formula I) that possess significant advantages when used as a redox active material in a battery, e.g., a redox flow battery. In particular, the compounds provide redox flow batteries (RFBs) with extremely high capacity retention. For example, RFBs of the invention can be cycled for 500 times with negligible loss of capacity, and such batteries could be employed for years of service. Thus, the invention provides a high efficiency, long cycle life redox flow battery with reasonable power cost, low energy cost, and all the energy scaling advantages of a flow battery. 2. The battery of claim 1 , wherein Xand Xare O.3. The battery of or claim 1 , wherein each of R-Ris independently H; halo; optionally substituted Calkyl; —X-L-C(O)O—Y; or —X-L-C(O)O—Y.4. The battery of any one of - claim 1 , wherein Ris —X-L-C(O)O—Yand Ris —X-L-C(O)O—Y.5. The battery of any one of - claim 1 , wherein Yand Yare H.6. The battery of claim 1 , wherein Xand Xare O.7. The battery of claim 6 , wherein each of R-Ris independently H; halo; optionally substituted Calkyl; —X-L-P(═O)(OY); or —X-L-P(═O)(OY).8. The battery of or claim 6 , wherein Ris —X-L-P(═O)(OY)and Ris —X-L-P(═O)(OY).9. The battery of any one of - claim 6 , wherein Yand Yare H.16. The battery of any one of - claim 6 , wherein the second redox active material is the hydroquinone of formula I claim 6 , which is oxidized to the corresponding quinone during discharge.17. The battery of any one of - claim 6 , wherein the pH of the second aqueous electrolyte is 7.18. The battery of claim 17 , wherein the pH is from 8 to 13.19. The battery of any one of - claim 17 , wherein the first redox active material comprises bromine claim 17 , chlorine claim 17 , iodine claim 17 , oxygen claim 17 , vanadium claim 17 , chromium claim 17 , cobalt claim 17 , iron claim 17 , aluminum claim 17 , manganese claim 17 , cobalt claim 17 , nickel claim 17 , copper claim 17 , or lead.21. The compound of claim ...

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11-01-2018 дата публикации

METHODS TO PREPARE STABLE ELECTROLYTES FOR IRON REDOX FLOW BATTERIES

Номер: US20180013164A1
Автор: Evans Craig E., Song Yang
Принадлежит:

An iron redox flow battery system, comprising a redox electrode, a plating electrolyte tank, a plating electrode, a redox electrolyte tank with additional acid additives that may be introduced into the electrolytes in response to electrolyte pH. The acid additives may act to suppress undesired chemical reactions that create losses within the battery and may be added in response to sensor indications of these reactions. 1. An iron redox flow battery operating method , comprising measuring , via a pH measuring device coupled to an iron redox flow battery and an electronic control system , a pH of a plating electrolyte , a redox electrolyte , or both and adding , via the electronic control system communicating to a pump of the iron redox flow battery , a corresponding amount of plating electrolyte additive to the plating electrolyte or a corresponding amount of redox electrolyte additive to the redox electrolyte.2. The method of claim 1 , further comprising adding the plating electrolyte additive claim 1 , redox electrolyte additive claim 1 , or both in response to a pH measurement above 4.3. The method of claim 1 , further comprising determining the pH with a Fe potential probe that includes a reference electrode such as an Ag/AgCl electrode or an Helectrode.4. The method of claim 1 , further comprising determining the pH with an optical probe.5. The method of claim 4 , further comprising measuring an absorption spectra of the plating electrolyte claim 4 , redox electrolyte claim 4 , or both.6. The method of wherein the iron redox flow battery includes an additional additive tank fluidically coupled to one of a redox electrolyte tank or a plating electrolyte tank via the pump claim 1 , the additive tank separate from the redox electrolyte tank and the plating electrolyte tank. The present application is a divisional of U.S. patent application Ser. No. 14/201,244, entitled “Methods to Prepare Stable Electrolytes for Iron Redox Flow Batteries” filed on Mar. 7, 2014. U.S ...

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14-01-2021 дата публикации

ELECTROCHEMICAL ENERGY STORAGE DEVICES AND COMPONENTS

Номер: US20210013500A1
Принадлежит:

A battery electrode composition is provided comprising anode and cathode electrodes and an electrolyte ionically coupling the anode and the cathode. At least one of the electrodes may comprise a plurality of active material particles provided to store and release ions during battery operation. The electrolyte may comprise an aqueous metal-ion electrolyte ionically interconnecting the active material particles. Further, the plurality of active material particles may comprise a conformal, metal-ion permeable coating at the interface between the active material particles and the aqueous metal-ion electrolyte. The conformal, metal-ion permeable coating impedes water decomposition at the aforesaid at least one of the electrodes. 1anode and cathode electrodes, wherein at least one of the electrodes comprises a plurality of active material particles provided to store and release ions during battery operation; andan electrolyte ionically coupling the anode and the cathode, wherein the electrolyte comprises an aqueous metal-ion electrolyte ionically interconnecting the active material particles,wherein the plurality of active material particles comprises a conformal, metal-ion permeable coating at the interface between the active material particles and the aqueous metal-ion electrolyte, whereby the conformal, metal-ion permeable coating impedes water decomposition at the at least one of the electrodes.. A metal-ion battery composition, comprising: The present application for patent is a Continuation of U.S. patent application Ser. No. 14/222,312 entitled “ELECTROCHEMICAL ENERGY STORAGE DEVICES AND COMPONENTS” filed Mar. 21, 2014, which in turn claims priority to Provisional Application No. 61/804,166 entitled “ELECTROCHEMICAL ENERGY STORAGE DEVICES AND COMPONENTS” filed on Mar. 21, 2013, and to Provisional Application No. 61/832,114 entitled “ELECTROCHEMICAL ENERGY STORAGE DEVICES AND COMPONENTS” filed on Jun. 6, 2013, which are expressly incorporated by reference herein.The ...

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14-01-2021 дата публикации

Systems and Methods for the Production and Use of Both Hydrogen and Electricity

Номер: US20210013531A1
Принадлежит:

Systems and methods for the production and use of both hydrogen and electricity. Embodiments of the disclosure include preparing processed hydrogen gas and regulated electricity from an energy source, and use of the gas and electricity in applications such as fuel cell electric vehicles and diesel supplementation. 1. A system for powering a vehicle , which comprises:a battery capable of simultaneously producing hydrogen gas and electricity;a gas flow conduit configured to receive and convey a gas stream comprising hydrogen gas produced by the battery;one or a series of two or more downstream gas processing components, in fluid communication with the gas flow conduit, configured to adjust the properties or flow of the gas stream and to output a processed hydrogen gas stream; andone or a series of two or more power converters configured to receive electricity produced by the battery and to output regulated electricity;wherein the system is positioned on-board the vehicle.2. The system of claim 1 , wherein one or more of the downstream gas processing components are configured to purify hydrogen in the gas stream.3. The system of claim 2 , wherein the one or more downstream gas processing components configured to purify hydrogen in the gas stream are a cooling coil claim 2 , a molecular sieve claim 2 , a charcoal filter claim 2 , or any two or more of these.4. The system of any one of - claim 2 , wherein one or more of the downstream gas processing components are configured to adjust the pressure of the gas stream.5. The system of claim 4 , wherein the one or more downstream gas processing components configured to adjust the pressure of the gas stream are a pressure regulator claim 4 , a compressor claim 4 , or both a pressure regulator and compressor.6. The system of any one of - claim 4 , wherein one or more downstream gas processing components comprise a hydrogen mass flow regulator.7. The system of any one of - claim 4 , which further comprises a hydrogen gas ...

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19-01-2017 дата публикации

ELECTROLYTE FOR METAL-AIR BATTERIES, AND METAL-AIR BATTERY

Номер: US20170018828A1
Автор: Suyama Hiroshi
Принадлежит: TOYOTA JIDOSHA KABUSHIKI KAISHA

An electrolyte for metal-air batteries, which is able to inhibit the coarsening of a discharge product that is produced upon the discharge of metal-air batteries, and a metal-air battery using the electrolyte. The electrolyte may comprise an aqueous solution that contains an inhibitor of the coarsening of a discharge product, the inhibitor containing a salt that contains at least one kind of anions selected from the group consisting of S anions, SCN anions and SO anions. 1. An electrolyte for metal-air batteries having an anode containing at least one of aluminum and magnesium , the electrolyte comprising an aqueous solution comprising a coarsening inhibitor configured to inhibit coarsening of a discharge product , the coarsening inhibitor including a salt having at least one kind of anions selected from the group consisting of S anions , SCN anions and SO anions.2. The electrolyte according to claim 1 , wherein the coarsening inhibitor is at least one selected from the group consisting of NaS claim 1 , NaSCN and NaSO.3. The electrolyte according to claim 1 , wherein a concentration of the coarsening inhibitor in the aqueous solution is in a range of 0.001 mol/L or more to 0.1 mol/L or less.4. The electrolyte according to claim 1 , wherein the aqueous solution is basic.5. The electrolyte according to claim 1 , wherein the aqueous solution includes an electrolyte salt.6. The electrolyte according to claim 5 , wherein the electrolyte salt is NaOH.7. The electrolyte according to claim 5 , wherein a concentration of the electrolyte salt in the aqueous solution is in a range of 0.01 mol/L or more to 20 mol/L or less.8. A metal-air battery comprising:an air electrode configured to receive an oxygen supply;an anode containing at least one of aluminum and magnesium; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'an electrolyte according to , the electrolyte being in contact with the air electrode and the anode.'}9. The metal-air battery according to claim 8 , further ...

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18-01-2018 дата публикации

ELECTROLYTE COMPOSITION FOR A ZINC-HALIDE BATTERY AND BIPOLAR ELECTRODE COMPRISING A TITANIUM CARBIDE COATED CATHODE BOX

Номер: US20180019475A1
Принадлежит:

The present invention provides a bipolar electrode that is useful in zinc-halide electrochemical cells or battery stacks. The bipolar electrode comprises a titanium bipolar electrode plate wherein a cathode assembly is disposed on a front surface of the electrode plate. The cathode assembly comprises a titanium cathode cage, a separator, and carbon material, wherein the cathode cage holds the carbon material in electrical communication with the front surface of the electrode plate. 1. A bipolar electrode comprising:a bipolar electrode plate, the bipolar electrode plate comprising a front surface and a back surface; and a carbon material;', 'a separator; and', 'a cathode cage,, 'a cathode assembly comprising'}wherein the cathode cage holds the carbon material in electrical communication with the front surface of the bipolar electrode plate, and the bipolar electrode plate and the cathode cage comprise a titanium material.2. The bipolar electrode of claim 1 , wherein at least a portion of the back surface of the bipolar electrode plate is a rough surface.3. The bipolar electrode of either of or claim 1 , wherein at least a portion of the bipolar electrode plate and at least a portion of the cathode cage comprise a titanium carbide coating.4. The bipolar electrode of any one of - claim 1 , wherein the front surface of the bipolar electrode plate further comprises a recessed portion.5. The bipolar electrode of claim 4 , wherein the recessed portion of the front surface of the bipolar electrode plate is configured to accommodate at least a portion of the carbon material.6. The bipolar electrode of claim 5 , wherein the cathode cage is disposed over the carbon material such that the carbon material is disposed between the recessed portion and the cathode cage.7. The bipolar electrode of any one of - claim 5 , wherein the separator is disposed between the carbon material and the cathode cage.8. The bipolar electrode of any one of - claim 5 , wherein the cathode cage ...

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16-01-2020 дата публикации

SEAWATER BATTERY CELL AND SEAWATER BATTERY INCLUDING SEAWATER BATTERY CELLS

Номер: US20200020955A1
Принадлежит:

A seawater battery cell may include: a seawater battery module having an anode and a cathode; a watertight structure coupled to the seawater battery module, the watertight structure being configured to tightly seal the anode and the cathode from seawater; a first watertight connector portion electrically connected to any one of the anode and the cathode; and a second watertight connector portion electrically connected to remaining one of the anode and the cathode and coupled to a first watertight connector portion of an adjacent seawater battery cell. As a result, the seawater battery cell, which can be fully submerged under seawater, can be applied to various fields.

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22-01-2015 дата публикации

PROTECTED ACTIVE METAL ELECTRODE AND BATTERY CELL STRUCTURES WITH NON-AQUEOUS INTERLAYER ARCHITECTURE

Номер: US20150024251A1
Принадлежит:

Active metal and active metal intercalation electrode structures and battery cells having ionically conductive protective architecture including an active metal (e.g., lithium) conductive impervious layer separated from the electrode (anode) by a porous separator impregnated with a non-aqueous electrolyte (anolyte). This protective architecture prevents the active metal from deleterious reaction with the environment on the other (cathode) side of the impervious layer, which may include aqueous or non-aqueous liquid electrolytes (catholytes) and/or a variety of electrochemically active materials, including liquid, solid and gaseous oxidizers. Safety additives and designs that facilitate manufacture are also provided. 1. A method of making an electrochemical cell structure , comprising:providing an active metal anode component; an active metal ion conducting separator layer comprising a semi-permeable polymer membrane comprising a non-aqueous anolyte, the separator layer being chemically compatible with the active metal, and', 'a substantially impervious ionically conductive layer chemically compatible with the separator layer; and, 'providing an ionically conductive protective architecture component the architecture comprising,'}assembling the components such that the protective architecture is in contact with a first surface of the anode.2. The method of claim 1 , wherein the active metal anode is an active lithium anode claim 1 , and further wherein the protective architecture conducts lithium ions.3. The method of claim 2 , wherein the active lithium anode is selected from the group consisting of lithium metal claim 2 , lithium alloy and lithium intercalating material.4. The method of claim 3 , wherein the active lithium anode is lithium metal.5. The method of claim 3 , wherein the active lithium anode comprises a lithium intercalating material.6. The method of claim 5 , wherein the lithium intercalating material comprises intercalatable carbon.7. The method of ...

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28-01-2021 дата публикации

Aminated lignin-derived compounds and uses thereof

Номер: US20210024453A1
Принадлежит: Cmblu Energy Ag, CMBLU PROJEKT AG

The present invention relates to novel lignin-derived compounds and compositions comprising the same and their use as redox flow battery electrolytes. The invention further provides a method for preparing said compounds and compositions as well as a redox flow battery comprising said compounds and compositions. Additionally, an assembly for carrying out the inventive method is provided.

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28-01-2016 дата публикации

Protected active metal electrode and battery cell structures with non-aqueous interlayer architecture

Номер: US20160028063A1
Принадлежит: Polyplus Battery Co Inc

Active metal and active metal intercalation electrode structures and battery cells having ionically conductive protective architecture including an active metal (e.g., lithium) conductive impervious layer separated from the electrode (anode) by a porous separator impregnated with a non-aqueous electrolyte (anolyte). This protective architecture prevents the active metal from deleterious reaction with the environment on the other (cathode) side of the impervious layer, which may include aqueous or non-aqueous liquid electrolytes (catholytes) and/or a variety of electrochemically active materials, including liquid, solid and gaseous oxidizers. Safety additives and designs that facilitate manufacture are also provided.

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29-01-2015 дата публикации

LITHIUM MICROBATTERY FABRICATION METHOD

Номер: US20150027979A1
Автор: BAZIN Arnaud, Oukassi Sami
Принадлежит:

The method for fabricating a lithium microbattery is performed from a stack of layers successively including: a first layer made from a first material, a second layer made from a second material, a solid electrolyte layer and a first electrode. The method further includes etching to form a first pattern made from the first material and a second pattern made from the second material, the second pattern defining a covered area and an uncovered area of the electrolyte layer. The uncovered area is then etched using the second pattern as etching mask. After etching of the first pattern, a lithium-based layer is formed on the second pattern, the lithium-based layer and the second pattern forming a second lithium-based electrode. 1. A fabrication method of a lithium microbattery , comprising the following successive steps: a first layer made from a first material;', 'a second layer made from a second material configured to combine with the lithium atoms;', 'a solid layer;', 'a first electrode;, 'providing a stack of layers successively comprisingetching of the first and second materials to form a first pattern made from the first material and a second pattern made from the second material, the second pattern defining an uncovered area and a covered area of the electrolyte layer;etching of the uncovered area of the electrolyte layer using the second pattern as etching mask, and etching of the first pattern;depositing in localized manner a lithium-based layer on the second pattern, the second material being configured such that the lithium atoms diffuse into the second pattern, the lithium-based layer and the second pattern forming a lithium-based second electrode.2. The method according to claim 1 , wherein the formation of the first and second patterns comprises the following steps:etching of the first material so as to define the first pattern made from the first material arranged on the second layer;{'b': '2', 'etching of the second material to form the second pattern (M ...

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10-02-2022 дата публикации

Aqueous and Hybrid Electrolytes With Wide Electrochemical Stability Windows

Номер: US20220045349A1

The present invention is directed to aqueous and hybrid aqueous electrolytes that comprise a lithium salt. The present invention is also directed to methods of making the electrolytes and methods of using the electrolytes in batteries and other electrochemical technologies.

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10-02-2022 дата публикации

RECHARGEABLE BATTERY WITH AQUEOUS-BASED ELECTROLYTE

Номер: US20220045368A1
Автор: Fu Li, LIEW Soon Yee, Tan Kevin
Принадлежит:

The present invention provides a rechargeable lithium metal oxide-zinc battery system with an aqueous-based electrolyte including at least one positive electrode including a lithium compound, at least one negative electrode including zinc or a zinc compound, an aqueous-based electrolyte and an aqueous-based solvent. The aqueous-based electrolyte includes at least one zinc-based electroactive material and at least one lithium-based electroactive material. The combination of the electrodes and electrolyte composition suppresses electrode corrosion and gas generation at the negative electrode. 1. A rechargeable lithium metal oxide-zinc battery system with an aqueous-based electrolyte , comprising:at least one positive electrode including a lithium compound;at least one negative electrode including zinc or a zinc compound; at least one zinc-based electroactive material;', 'at least one lithium-based electroactive material;, 'an aqueous-based electrolyte comprisingan aqueous-based solvent;wherein a combination of the electrodes and electrolyte composition suppresses electrode corrosion and gas generation at the negative electrode.2. The rechargeable lithium metal oxide-zinc battery system of claim 1 , wherein the negative electrode including zinc or a zinc compound is selected from a metallic zinc foil or a coated film claim 1 , wherein the coated film comprises at least one zinc metallic powder or a zinc alloy metallic powder in an amount of approximately 80 to 95 weight percentage claim 1 , at least one conductive carbon in an amount of approximately 2 to 10 weight percentage and at least one binder in an amount of approximately 3 to 10 weight percentage.3. The rechargeable lithium metal oxide-zinc battery system of claim 1 , wherein the positive electrode including a lithium compound is a coated film claim 1 , the coated film comprising at least one lithium transition metal oxide material in an amount of approximately 85 to 95 weight percentage claim 1 , at least one ...

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10-02-2022 дата публикации

SECONDARY BATTERY

Номер: US20220045369A1
Автор: HIASA Takumi
Принадлежит:

A secondary battery includes a partition, a negative electrode, a positive electrode, a first aqueous electrolytic solution, and a second aqueous electrolytic solution. The partition separates a first space and a second space from each other and allows a metal ion to pass therethrough between the first space and the second space. The negative electrode is disposed in the first space. The positive electrode is disposed in the second space. The first aqueous electrolytic solution is contained in the first space. The second aqueous electrolytic solution is contained in the second space. The second aqueous electrolytic solution has a pH lower than the first aqueous electrolytic solution. 1. A secondary battery comprising:a partition that separates a first space and a second space from each other and allows a metal ion to pass therethrough between the first space and the second space;a negative electrode that is disposed in the first space and that the metal ion is to be inserted into and extracted from;a positive electrode that is disposed in the second space and that the metal ion is to be inserted into and extracted from;a first aqueous electrolytic solution that is contained in the first space and includes the metal ion to be inserted into and extracted from each of the negative electrode and the positive electrode; anda second aqueous electrolytic solution that is contained in the second space and includes the metal ion to be inserted into and extracted from each of the negative electrode and the positive electrode,wherein the second aqueous electrolytic solution has a pH lower than the first aqueous electrolytic solution.2. The secondary battery according to claim 1 , wherein the first aqueous electrolytic solution claim 1 , the second aqueous electrolytic solution claim 1 , or both include an alkali metal ion as the metal ion to be inserted into and extracted from each of the negative electrode and the positive electrode.3. The secondary battery according to claim ...

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24-01-2019 дата публикации

Flexible battery with liquid metal electrode

Номер: US20190027762A1
Принадлежит: Microsoft Technology Licensing LLC

An electrochemical energy-storage cell comprises a flexible positive electrode and a flexible negative electrode including a gallium-based liquid metal dispersed on a flexible wire mesh. The electrochemical energy-storage cell also comprises a membrane having one face in contact with the flexible positive electrode and an opposing face in contact with the flexible negative electrode.

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24-01-2019 дата публикации

ENERGY STORAGE, HYDROGEN AND OXYGEN PRODUCTION USING ION SEPARATORS

Номер: US20190028012A1
Автор: ABLEDU Kodzo Obed
Принадлежит:

An ion separating device comprising a stator cylinder with input and output ports, end caps, a rotor core, homopolar north poles, and homopolar south poles, is used to separate positive and negative ions in electrolyte introduced into the device. The resulting charged ionic solutions are stored in separate tanks. Energy recovery from the charged ionic solutions is accompanied by the release of gases thereby providing another process of producing hydrogen and oxygen. 1. An ion separating device comprising:a stator cylinder;a pair of end caps provided on both end portions of the stator cylinder for forming a cavity inside;a drive shaft disposed in the stator cylinder, extending from a right end portion of the stator cylinder to a left end portion of the stator cylinder, and configured to rotate with respect to the stator cylinder;{'b': 52', '54', '56', '58, 'a rotor core disposed around the drive shaft and comprising right (rotor core) laminations disposed on a right side portion of the rotor core, left (rotor core) laminations disposed on a left side portion of the rotor core, middle (rotor core) laminations disposed between the right and left rotor core laminations, inner right comparting (rotor core) laminations disposed between the right rotor core laminations and the middle rotor core laminations, inner left comparting (rotor core) laminations disposed between the left rotor core laminations and the middle rotor core laminations, outer right comparting (rotor core) laminations disposed at a right end portion of the right rotor core laminations, and outer left comparting (rotor core) laminations disposed at a left end portion of the left rotor core laminations, so that the cavity between the rotor core and stator cylinder and enclosed by the pair of end caps are divided into a right outer compartment, a right inner compartment, a left outer compartment, a left inner compartment, and a middle compartment between the pair of end caps through four comparting seals (, ...

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29-01-2015 дата публикации

FUEL CELLS

Номер: US20150030961A1
Принадлежит: ACAL ENERGY LTD

A redox fuel cell comprising an anode and a cathode separated by an ion selective polymer electrolyte membrane; means for supplying a fuel to the anode region of the cell; means for supplying an oxidant to the cathode region of the cell; means for providing an electrical circuit between the anode and the cathode; a non-volatile catholyte solution flowing fluid communication with the cathode, the catholyte solution comprising a polyoxometallate redox couple being at least partially reduced at the cathode in operation of the cell, and at least partially re-generated by reaction with the oxidant after such reduction at the cathode, wherein the polyoxometallate is represented by the formula: 2. A redox fuel cell according to wherein:a. b is from 0 to 2;b. c is from 10 to 18; and/orc. d is from 30 to 70.3. A redox fuel cell according to wherein:a. c is 12; and orb. d is from 34 to 62.4. A redox fuel cell according to wherein d is from 34 to 40.5. A redox fuel cell according to wherein the polyoxometallate is represented by the formula:{'br': None, 'sub': a', 'b', 'v', 'w', 'x', 'y', 'z', 'd, 'sup': 1', '2', '3', '4, 'X[ZWMMMMO]'}{'sup': 1', '2', '3', '4', 'st', 'nd', 'rd, 'wherein M, M, M, and Mare independently selected from one or more of Mo, V, Nb, Ta, Mn, Fe, Co, Cr, Ni, Zn Rh, Ru, Tl, Al, Ga, In, and other metals selected from the 1, 2and 3transition metal series and the lanthanide series of metals; wherein v+w+x+y+z=c; and wherein v is at least 1.'}6. A redox fuel cell according to wherein the polyoxometallate is represented by the formula:{'br': None, 'sub': a', 'b', 'v', 'w', 'x', 'y', 'd, 'sup': 1', '2', '3, 'X[ZWMMMO]'}{'sup': 1', '2', '3', 'st', 'nd', 'rd, 'wherein M, Mand M, and are independently selected from one or more of Mo, V, Nb, Ta, Mn, Fe, Co, Cr, Ni, Zn Rh, Ru, Tl, Al, Ga, In, and other metals selected from the 1, 2and 3transition metal series and the lanthanide series of metals; wherein v+w+x+y=c; and wherein v is at least 1.'}7. A redox fuel cell ...

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23-01-2020 дата публикации

METHOD OF SYNTHESIZING PHOSPHATE SALT OF HIGH PURITY FOR PREPARATION OF ELECTRODE MATERIAL

Номер: US20200028171A1
Принадлежит:

The present invention provides a cost-effective method of synthesizing phosphate salt of a metal M such as Fe and Mn that can be used for electrode active material of a lithium secondary battery. An oxidization-precipitation reaction is carried out on metal such as Fe(II) and Mn(II) to produce phosphate salt and hydroxide of the metal oxidized e.g. Fe(III) and Mn(III). With overdosed phosphoric acid, hydroxide of the oxidized metal is then converted to a phosphate salt. The invention also provides a method of preparing “wet” phosphate salt nanoparticles and their application in the synthesis of a cathode material. The present invention exhibits numerous technical merits such as lower cost, easier operation, and being environmentally friendly. 1. A method of synthesizing a high-purity phosphate salt of a metal M , comprising:(i) providing an aqueous solution of metal M(Va) having a first valence value Va;(ii) adding a precipitating-oxidizing composition to the aqueous solution to produce a liquid phase and a precipitate of metal M(Vb) having a second valence value Vb, wherein the second valence value Vb is greater than the first valence value Va, and wherein the precipitate of metal M(Vb) comprises phosphate salt of metal M(Vb), hydroxide of metal M(Vb), or any mixture thereof;(iii) isolating said precipitate of metal M(Vb) from the liquid phase;(iv) adding phosphoric acid and water to the isolated precipitate of metal M(Vb), and heating the reaction mixture to an elevated temperature to convert hydroxide of metal M(Vb) in the isolated precipitate to phosphate salt of metal M(Vb).2. The method according to claim 1 , wherein the metal M is Fe claim 1 , Co claim 1 , Ni claim 1 , Mn claim 1 , Ti claim 1 , V claim 1 , or any combination thereof.3. The method according to claim 1 , wherein M(Va) is Fe(II) claim 1 , wherein the aqueous solution of Fe(II) in step (i) is obtained by processing a waste material discharged from the manufacture of titanium dioxide claim 1 , and ...

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23-01-2020 дата публикации

MULTIVALENT METAL ION BATTERY HAVING A CATHODE LAYER OF PROTECTED GRAPHITIC CARBON AND MANUFACTURING METHOD

Номер: US20200028204A1
Автор: Jang Bor Z., Zhamu Aruna
Принадлежит:

Provided is a method of producing a multivalent metal-ion battery comprising an anode, a cathode, and an electrolyte in ionic contact with the anode and the cathode to support reversible deposition and dissolution of a multivalent metal, selected from Ni, Zn, Be, Mg, Ca, Ba, La, Ti, Ta, Zr, Nb, Mn, V, Co, Fe, Cd, Cr, Ga, In, or a combination thereof, at the anode, wherein the anode contains the multivalent metal or its alloy as an anode active material and the cathode comprises a cathode active layer of graphitic carbon particles or fibers that are coated with a protective material. Such a metal-ion battery delivers a high energy density, high power density, and long cycle life. 1. A method of manufacturing a multivalent metal-ion battery , comprising:(a) providing an anode containing a multivalent metal or its alloy, wherein said multivalent metal is selected from Ni, Zn, Be, Mg, Ca, Ba, La, Ti, Ta, Zr, Mn, V, Co, Fe, Cd, Cr, Ga, In, or a combination thereof;(b) providing a cathode active layer of graphitic carbon particles or fibers as a cathode active material that intercalates/de-intercalates ions; and(c) providing an electrolyte capable of supporting reversible deposition and dissolution of said multivalent metal at the anode and reversible adsorption/desorption and/or intercalation/de-intercalation of ions at the cathode;wherein said graphitic carbon particles or fibers are coated with a protective layer selected from carbonized resin, an ion-conducting polymer, an electrically conductive polymer, or a combination thereof; wherein said ion-conducting polymer is selected from the group consisting of sulfonated polymers, polypropylene oxide (PPO), poly bis-methoxy ethoxyethoxide-phosphazene, polydimethylsiloxane, poly(vinylidene fluoride)-hexafluoropropylene (PVDF-HFP), and combinations thereof; wherein said electrically conducting polymer is selected from the group consisting of polyfuran, bi-cyclic polymers, derivatives thereof, and combinations thereof; ...

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01-02-2018 дата публикации

PROCESSES FOR FORMING TITANIUM CATECHOL COMPLEXES

Номер: US20180029965A1
Автор: MILLARD Matthew
Принадлежит:

Titanium complexes containing catecholate ligands can be desirable active materials for flow batteries and other electrochemical energy storage systems. Such complexes can be formed, potentially on very large scales, through reacting a catechol compound in an organic solvent with titanium tetrachloride, and then obtaining an aqueous phase containing an alkali metal salt form of the titanium catechol complex. More specifically, the methods can include: forming a catechol solution and heating, adding titanium tetrachloride to the catechol solution, reacting the titanium tetrachloride with a catechol compound to evolve HCl gas and to form an intermediate titanium catechol complex, and adding an alkaline aqueous solution to the intermediate titanium catechol complex to form an alkali metal salt form titanium catechol complex that is at least partially dissolved in an aqueous phase. The aqueous phase can be separated from an organic phase. The resulting complexes can be substantially free of alkali metal halide salts. 1. A method comprising:forming a catechol solution comprising a catechol compound and an organic solvent;heating the catechol solution;adding titanium tetrachloride to the catechol solution to form a reaction mixture;reacting the titanium tetrachloride with the catechol compound to evolve HCl gas from the reaction mixture and to form an intermediate titanium catechol complex; and 'wherein the alkali metal base converts the intermediate titanium catechol complex into an alkali metal salt form titanium catechol complex that is at least partially dissolved in an aqueous phase.', 'adding an alkaline aqueous solution to the intermediate titanium catechol complex, the alkaline aqueous solution comprising an alkali metal base;'}2. The method of claim 1 , wherein the catechol compound is 1 claim 1 ,2-dihydroxybenzene.3. The method of claim 1 , wherein the catechol compound comprises at least one substituted catechol compound.4. The method of claim 3 , wherein the ...

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02-02-2017 дата публикации

HYDROTHERMAL TREATMENT METHOD FOR PRODUCING REDOX-ACTIVE TRANSITION METAL COORDINATION COMPOUNDS

Номер: US20170033388A1
Автор: Fu Guoyi

A method for producing an aqueous electrolyte comprising a redox-active coordination compound of a transition metal which comprises reacting an oxide of the corresponding transition metal in an aqueous reaction medium with a chelating agent in a hydrothermal reaction zone at a temperature in the range of from 100° C. to 160° C. for a period of from 4 hours to 48 hours. 1. A method for producing an aqueous electrolyte comprising a redox-active coordination compound of a transition metal which comprises reacting an oxide of the corresponding transition metal in an aqueous reaction medium with a chelating agent , or with a combination of chelating agents , in a hydrothermal reaction zone at a temperature in the range of from 100° C. to 160° C. for a period of time from 4 hours to 48 hours.2. The method of which includes the additional step of cooling the reaction to form a crystalline solid claim 1 , and recovering the crystalline solid.3. The method of or wherein said transition metal is selected from the group comprising titanium claim 1 , aluminum claim 1 , chromium claim 1 , iron claim 1 , vanadium claim 1 , manganese claim 1 , cerium claim 1 , and uranium and said chelating agent is selected from the group consisting essentially of aromatic 1 claim 1 ,2-diols and combinations of such diols.4. The method of or wherein the transition metal is titanium and the chelating agent is selected from the group consisting essentially of catechol claim 1 , pyrogallol claim 1 , 2 claim 1 ,3-naphthalenediol claim 1 , ascorbic acid claim 1 , glyconic acid claim 1 , and combinations thereof.5. A method for producing an aqueous electrolyte comprising a redox-active Ti(IV) coordination compound which comprises reacting TiOin an aqueous reaction medium with a chelating agent selected from the group consisting essentially of catechol claim 1 , pyrogallol claim 1 , 2 claim 1 ,3-naphthalenediol claim 1 , ascorbic acid claim 1 , glyconic acid claim 1 , and combinations thereof in a ...

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02-02-2017 дата публикации

Electrochemical Cell

Номер: US20170033421A1
Автор: Curfew Dan
Принадлежит:

An air-metal battery utilizes a magnesium anode, a carbon cathode, and a conductive fluid including glycol and water. The anode and cathode are provided in a fuel card assembly that is replaceable as a unit. 1. In an air-metal battery having an electrically conductive fluid communicating electrons between an anode and a cathode , the improvement comprising at least one fuel card assembly that is replaceable as a unit.2. The air-metal battery of claim 1 , wherein the electrically conductive fluid is dominantly a polyhydric liquid.3. The air-metal battery of claim 2 , wherein the polyhydric liquid is a glycol.4. The air-metal battery of claim 2 , wherein the polyhydric liquid is a dominantly a glycol mixed with a lesser amount of water to provide a glycol and water mixture.5. The air-metal battery of claim 4 , wherein the glycol and water mixture contains from 10% to 30% water and from 90% to 70% glycol.6. The air-metal battery of claim 3 , wherein the glycol is primarily propylene glycol.7. The air-metal battery of claim 1 , wherein the fuel card assembly includes a sandwich construction with remote sides of a metal plate each sandwiched by a pair of wicking pads and then a pair of cathodes.8. The air-metal battery of claim 7 , wherein the pair of cathodes are carbon-based.9. The air-metal battery of claim 1 , further comprising a housing that is arranged in two banks with each bank constituting a plurality of electrochemical cells.10. The air-metal battery of claim 9 , further comprising a rail system connecting the cells of a bank in series.11. The air-metal battery of claim 9 , further comprising a rail system connecting the cells of a bank in parallel.12. The air-metal battery of claim 1 , wherein the metal is primarily magnesium.13. The air-metal battery of claim 7 , wherein the metal is primarily magnesium.14. The air-metal battery of claim 7 , having a shelf-life of at least five years under conditions of no applied load. This application claims the benefit of ...

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05-02-2015 дата публикации

Lithium Air Battery

Номер: US20150037692A1
Принадлежит:

Provided is a lithium air battery, and more particular, a lithium air battery including a buffer layer consisting of a conductive ion-exchange resin and a mesoporous carbon formed between an electrolyte and a catalyst layer configuring a cathode to prevent a contact between the catalyst layer and a large amount of electrolyte in the lithium air battery, thereby reducing occurrence of overvoltage at the time of charging and discharging the battery. At the same time, the lithium air battery of the present invention may suppress evaporation of the electrolyte solution to improve durability, thereby preventing deterioration in performance of the battery, and extending a lifespan. 1. A lithium air battery comprising:a first electrode part including a lithium metal;a second electrode part including a gas diffusion layer of which one side contacts an air, a catalyst layer formed on the other side of the gas diffusion layer, a membrane coupled to the catalyst layer so that lithium ions pass therethrough, and a buffer layer provided between the membrane and the catalyst layer, and spaced apart from the first electrode part; andan electrolyte part provided between the first electrode part and the second electrode part.2. The lithium air battery of claim 1 , wherein the buffer layer contains a mesoporous carbon impregnated with a conductive ion-exchange resin solution.3. The lithium air battery of claim 2 , wherein the conductive ion-exchange resin solution contains at least 20 wt % (in HO) of a conductive ion-exchange resin.4. The lithium air battery of claim 3 , wherein the conductive ion-exchange resin is a mixture containing one or two selected from the group consisting of Nafion claim 3 , Diaion claim 3 , and Trilite.5. The lithium air battery of claim 1 , wherein the electrolyte part includes a separator closely adhered on one side of the first electrode part and containing an organic-based electrolyte claim 1 , a solid electrolyte closely adhered on one side of the ...

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17-02-2022 дата публикации

AQUEOUS ELECTROLYTE, REDOX FLOW BATTERY AND USE THEREOF

Номер: US20220052371A1
Принадлежит:

Disclosed is an aqueous electrolyte solution having a temperature of at least 30° C. comprising a compound with at least one redox-active residue of formula (I) 1. An aqueous electrolyte solution having a temperature of at least 30° C. comprising a compound with at least one redox-active residue of formula (I){'br': None, 'sub': ['5', '4', '5', '3'], '#text': '(X—CH)Fe(Y—CH—Z)\u2003\u2003(I),'}{'sub': ['n', '2n', 'n', '2n', 'n', '2n', 'n', '2n'], '#text': 'wherein X is a residue of formula —(CH)-FG or of formula —(CH)-Sp-(CH)-FG or of formula —(CH)-Brgp-,'}{'sub': ['n', '2n', 'n', '2n', 'n', '2n'], '#text': 'Y is hydrogen or a residue of formula —(CH)-FG or of formula —(CH)-Sp-(CH)-FG,'}Z is hydrogen or a covalent bond, which links the residue of formula (I) with a remainder of the compound,{'sub': ['3', '2', '1', '1', '2', '2', 'o', '2', '2', '2', 'o', '3', '4', '5', '1/m', '2', '1/m', '2', '3', '1/m', '3', '2', '4', '1/m', '4', '2', '4', '2/m', '4', '2', '2', '3', '2/m', '3', '2', '2', '3', '4', '5', '1/m', '3', '4', 't', '2t', '3', '2', '2', '3'], 'sup': ['+', 'm+', '−', 'm+', '−', 'm+', '−', 'm+', '2−', 'm+', '2−', 'm+', '+', 'm−', '+', '−'], '#text': 'FG is a functional group selected from —OH, —SH, —NO, —NO, —CN, —OR, —SR, —(O—CH—CH)—OR, —(O—CH—CH)—NRRR (An), —COR, —COO (Kat), —COOR, —SO (Kat), —SOR, —SO (Kat), —SOR, —PO (Kat), —PO(R), —PO (Kat), —PO(R), —NRRR(An)—NRR—CH—SO or —NR—SO—R,'}Brgp is a divalent bridging group which links the residue of formula (I) with the remainder of the compound,{'sub': '2', '#text': 'Sp is —O—, —S—, —SO— or —SO—,'}{'sub': ['1', '4'], '#text': 'Ris C1-Calkyl,'}{'sub': ['2', '1', '4'], '#text': 'Ris hydrogen or C-Calkyl,'}{'sub': ['3', '4', '5'], '#text': 'R, Rand Rindependently of one another represent hydrogen or alkyl,'}Kat is an m-valent inorganic or an organic cation,An is an m-valent inorganic or an organic anion,m is an integer between 1 and 4,n represents an integer between 2 and 4,t is an integer between 2 and 5, ando is ...

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31-01-2019 дата публикации

ALUMINUM-BASED METAL-AIR BATTERIES

Номер: US20190036115A1
Принадлежит:

Provided in one embodiment is an electrochemical cell, comprising: (i) a plurality of electrodes, comprising a fuel electrode that comprises aluminum and an air electrode that absorbs gaseous oxygen, the electrodes being operable in a discharge mode wherein the aluminum is oxidized at the fuel electrode and oxygen is reduced at the air electrode, and (ii) an ionically conductive medium, comprising an organic solvent; wherein during non-use of the cell, the organic solvent promotes formation of a protective interface between the aluminum of the fuel electrode and the ionically conductive medium, and wherein at an onset of the discharge mode, at least some of the protective interface is removed from the aluminum to thereafter permit oxidation of the aluminum during the discharge mode. 1. An electrochemical cell comprising:(i) a plurality of electrodes, comprising a fuel electrode that comprises aluminum and an air electrode that absorbs gaseous oxygen, the electrodes being operable in a discharge mode wherein the aluminum is oxidized at the fuel electrode and oxygen is reduced at the air electrode, and(ii) an ionically conductive medium, comprising an organic solvent;wherein the organic solvent promotes formation of a protective interface between the aluminum of the fuel electrode and the ionically conductive medium during non-use of the cell andwherein at an onset of the discharge mode, at least some of the protective interface is removed from the aluminum within the potential difference between the fuel and air electrodes to thereafter permit continued oxidation of the aluminum during the discharge mode.2. The electrochemical cell of claim 1 , wherein the organic solvent comprises at least one lactone.3. The electrochemical cell of claim 1 , wherein the organic solvent comprises a butyrolactone claim 1 , pentanolactone claim 1 , octanolactone claim 1 , decanolactone claim 1 , or combinations thereof.4. The electrochemical cell of claim 1 , wherein the organic ...

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31-01-2019 дата публикации

AQUEOUS ELECTROLYTES WITH PROTONIC IONIC LIQUID AND BATTERIES USING THE ELECTROLYTE

Номер: US20190036151A1

An aqueous electrolyte composition suitable for a lithium ion battery is provided. The aqueous electrolyte composition contains water, an ionic liquid which is a salt of a protonic cation and an anion comprising a fluoroalkylsulfonyl group and a lithium fluoroalkylsulfonyl salt. A lithium ion battery containing the aqueous electrolyte and a vehicle at least partially powered by the battery are also provided. 1. An aqueous electrolyte for a lithium-ion secondary battery comprising:water; [{'br': None, 'sub': '2', 'R—SO—\u2003\u2003(I)'}, 'wherein R is a perfluoroalkyl group of 1-5 carbons; and, 'a lithium salt of an anion comprising a fluoroalkylsulfonyl group of formula'}an ionic liquid which is a salt of a protonic cation and an anion comprising a fluoroalkylsulfonyl group of formula (I).2. The aqueous electrolyte for a lithium secondary battery of claim 1 , wherein the lithium salt of an anion comprising a fluoroalkylsulfonyl group of formula (I) is at least one salt selected from the group consisting of lithium bis(trifluoromethyl-sulfonyl)imide (LiTFSI) claim 1 , lithium bis(pentafluoroethyl-sulfonyl)imide (LiBETI) claim 1 , lithium bis(fluoromethylsulfonyl)imide (LiFSI) and lithium trifluoromethylsulfonate (LiTFS).3. The aqueous electrolyte for a lithium secondary battery of claim 1 , wherein the protonic cation comprises at least one selected from the group consisting of an ammonium cation having a N—H component claim 1 , a phosphonium cation having at least one P—H component claim 1 , an ammonium cation comprising a —OH group and a phosphonium cation comprising a —OH group.6. The aqueous electrolyte for a lithium secondary battery of claim 1 , wherein a mole ratio relationship of lithium salt of an anion comprising a fluoroalkylsulfonyl group of formula (I) claim 1 , water and ionic liquid is such that for 1 mole of the lithium salt claim 1 , there are 0.1 to 20 mole of ionic liquid and 0.1 to 10 mole water.7. The aqueous electrolyte for a lithium secondary ...

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31-01-2019 дата публикации

AQUEOUS DUAL-ION SECONDARY BATTERY

Номер: US20190036173A1
Принадлежит: TOYOTA JIDOSHA KABUSHIKI KAISHA

Disclosed is a dual-ion secondary battery of high power and a high level of safety. The dual-ion secondary battery is an aqueous dual-ion secondary battery including: a cathode; an anode; and an aqueous electrolyte solution, wherein the cathode includes graphite as a cathode active material, the anode includes titanium oxide as an anode active material, and the aqueous electrolyte solution contains no less than 10 mol of lithium bis(trifluoromethanesulfonyl)imide per kilogram of water. 1a cathode;an anode; andan aqueous electrolyte solution,wherein the cathode includes graphite as a cathode active material,the anode includes titanium oxide as an anode active material, andthe aqueous electrolyte solution contains no less than 10 mol of lithium bis(trifluoromethanesulfonyl)imide per kilogram of water.. An aqueous dual-ion secondary battery comprising: The present application discloses a dual-ion secondary battery using an aqueous electrolyte solution.Patent Literature 1 discloses a nonaqueous dual-ion secondary battery using a positive electrode active material into and out of which an anion in a nonaqueous electrolyte solution goes, and a negative electrode active material into and out of which a cation in the nonaqueous electrolyte solution goes. A dual-ion secondary battery has high energy density, and various advantages such as suitability for high-speed charging and discharging.Patent Literature 1: JP 2017-091994 AAs disclosed in Patent Literature 1, the conventional dual-ion secondary battery uses a nonaqueous electrolyte solution as an electrolyte solution. However, according to the findings of the inventors of the present application, there is a problem of low ion conductivity of an electrolyte solution, which leads to bad input-output characteristics of the battery in a nonaqueous dual-ion secondary battery. Safety has to be also improved more because the battery uses nonaqueous solvent. In this point, it can be considered to use not a nonaqueous electrolyte ...

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08-02-2018 дата публикации

ELECTRODE CURRENT COLLECTOR DESIGN IN A BATTERY

Номер: US20180040902A1
Принадлежит:

A battery includes an anode, an electrolyte, and a cathode. The cathode includes a current collector formed from a mesh structure with an opening pattern. The opening pattern does not include any angles less than 90 degrees, and the current collector has a first surface and a second surface opposite the first surface. The cathode also includes a first material layer bonded to the first surface of the current collector, and a second material layer bonded to the second surface of the current collector and to the first material layer through the current collector. 1. An energy storage device comprising:an anode;an electrolyte; and a current collector formed from a mesh structure with an opening pattern, wherein the opening pattern does not include any angles less than 90 degrees, the mesh structure having a first surface and a second surface opposite the first surface,', 'a first material layer bonded to the first surface of the current collector, and', 'a second material layer bonded to the second surface of the current collector and to the first material layer through the current collector., 'a cathode, comprising2. The energy storage device of claim 1 , wherein the anode comprises lithium.3. The energy storage device of claim 1 , wherein the opening pattern comprises at least 57% of the surface area of the current collector.4. The energy storage device of claim 1 , wherein the opening pattern comprises at least 65% of the surface area of the current collector.5. The energy storage device of claim 1 , wherein the opening pattern comprises at least 70% of the surface area of the current collector.6. The energy storage device of claim 1 , wherein the current collector is formed from titanium claim 1 , stainless steel claim 1 , or aluminum claim 1 , and includes a conductive carbon coating.7. The energy storage device of claim 1 , wherein the current collector has a thickness of about 0.003 inches.8. The energy storage device of claim 1 , wherein the opening pattern ...

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08-02-2018 дата публикации

ELECTRODE FOR ELECTROCHEMICAL CELLS AND COMPOSITION THEREOF

Номер: US20180040903A1
Принадлежит:

The present invention relates to an electrode for use in electrochemical cells and systems, such as rechargeable batteries, having a metal substrate and a catalytic coating applied onto the substrate. The catalytic coating has a mixture of noble metals or noble metal oxides and can be used to improve the energy efficiency of the cell. 1. Electrode for use in electrochemical cells comprising:a metal substrate;a catalytic coating comprising a mixture of noble metals or oxides thereof, wherein said mixture comprises 60-85% ruthenium, 0-25% iridium and 1-15% platinum in mole percentage referred to the elements.2. The electrode according to wherein said mixture of noble metals or oxides thereof comprises 70-80% ruthenium claim 1 , 17-25% iridium and 1-5% platinum in mole percentage referred to the elements.3. The electrode according to any one of the preceding claims claim 1 , wherein the loading of ruthenium claim 1 , iridium and platinum is 5 to 30 g/mreferred to the sum of the elements.4. The electrode according to any one of the preceding claims claim 1 , wherein said metal substrate consists of a titanium material.5. The electrode according to further comprising an intermediate layer containing titanium material applied between said metal substrate and said catalytic coating.6. The electrode according to any one of the preceding claims wherein said substrate has an average porosity of 40% to 60%.7. The electrode according to wherein said titanium material comprises titanium suboxides according to the formula TiO claim 4 , wherein x is in the range of 2 to 10 and y is in the range of 3 to 19.8. Method for the production of an electrode according to any one of to comprising the following sequential steps:applying a precursor solution comprising a mixture of ruthenium, iridium and platinum compounds in one or more coats over said metal substrate;drying said metal substrate after each coating at a temperature of 80° C. to 150° C.;thermally treating said dried metal ...

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08-02-2018 дата публикации

Battery

Номер: US20180040919A1
Автор: Jing Yan, Pu Chen, Yang Liu
Принадлежит: Positec Power Tools Suzhou Co Ltd

A battery comprises a cathode, an anode and an electrolyte. The cathode comprises a cathode active material which is configured to reversibly intercalate-deintercalate a plurality of first metal ions. The electrolyte comprises at least a solvent configured to dissolve a solute, the solute being ionized to a plurality of second metal ions that can be reduced to a metallic state during a charge cycle and be oxidized from the metallic state to the second metal ions during a discharge cycle and the first metal ions The battery further comprises an anode modifier which is selected from at least one of gelatin, agar, cellulose, cellulose ether and soluble salt thereof, dextrin and cyclodextrin.

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24-02-2022 дата публикации

Ion-selective membrane for redox flow batteries

Номер: US20220059861A1
Автор: Baca Ehren, Fujimoto Cy
Принадлежит:

A fluoro sulfonated poly(phenylene) was rationally designed with an external hydrophobic shell and internal hydrophilic core in order to improve the durability and ion selectivity of a hydrocarbon membrane for vanadium redox flow batteries (VRFBs). The polymer was designed to prevent hydrophilic polymer chain aggregation by attaching acid moieties onto the polymer backbone, while functionalizing the external polymer shell with hydrophobic side chains to prevent excessive vanadium crossover associated with cation exchange membranes. As an example, the hydrophobic shell can be provided by pentafluorobenzoyl group functionalization of the pendent aryl groups on a Diels Alder poly(phenylene) backbone, while the internal polymer chain can contain sulfonic acid moieties to impart hydrophilic character. 1. An ion-selective membrane for a redox flow battery , comprising a fluoro sulfonated poly(phenylene) wherein core aryl groups of the poly(phenylene) backbone are at least partially substituted with a sulfonic acid group and the aryl groups pendent to the backbone are at least partially substituted with an electron-withdrawing fluorocarbon group.2. The ion-selective membrane of claim 1 , wherein the fluorocarbon group comprises a pentafluorobenzoyl group.3. The ion-selective membrane of claim 1 , wherein each of the core aryl groups is substituted with a sulfonic acid group.4. The ion-selective membrane of claim 1 , wherein each of the pendent aryl groups is substituted with a fluorocarbon group.7. The ion-selective membrane of claim 1 , wherein the redox flow battery comprises a vanadium redox flow battery.6. A method to synthesize fluoro sulfonated poly(phenylene) claim 1 , comprising:providing a poly(phenylene) polymer comprising a backbone comprising core aryl groups a plurality of aryl groups pendent to the backbone;attaching at least one fluorocarbon group to at least one of the pendent aryl groups via an acylation reaction; andsulfonating at least one of the core ...

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07-02-2019 дата публикации

AQUEOUS ELECTROLYTIC SOLUTION FOR POWER STORAGE DEVICE AND POWER STORAGE DEVICE INCLUDING SAID AQUEOUS ELECTROLYTIC SOLUTION

Номер: US20190044190A1
Принадлежит: THE UNIVERSITY OF TOKYO

An electrolytic solution for a power storage device, the electrolytic solution containing water as a solvent, wherein an amount of the solvent is greater than 4 mol and not greater than 15 mol with respect to 1 mol of an alkali metal salt. 116-. canceled17. An electrolytic solution for a power storage device , the electrolytic solution containing water as a solvent , whereinan amount of the solvent is greater than 4 mol and not greater than 15 mol with respect to 1 mol of an alkali metal salt, andan anion forming the alkali metal salt is an organic anion having a fluoroalkyl group.18. An electrolytic solution for a power storage device , the electrolytic solution containing water as a solvent , whereina concentration of an alkali metal salt is 2.5 to 4.5 mol/L, andan anion forming the alkali metal salt is an organic anion having a fluoroalkyl group.19. The electrolytic solution for the power storage device according to claim 17 , wherein the organic anion is represented by general formula (1) to general formula (3) below:{'br': None, 'sup': 1', '2', '−, 'sub': 2', '2, '(RSO)(RSO)N\u2003\u2003(1)'}{'sup': 1', '2', '1', '2, 'claim-text': {'br': None, 'sup': 3', '−, 'sub': '3', 'RSO\u2003\u2003(2)'}, '(Rand Rare each independently selected from an alkyl group or a halogen-substituted alkyl group. Rand Roptionally bind with each other to form a ring.);'}{'sup': '3', 'claim-text': {'br': None, 'sup': 4', '−, 'sub': '2', 'RCO\u2003\u2003(3)'}, '(Ris selected from an alkyl group or a halogen-substituted alkyl group.); and'}{'sup': '4', '(Ris selected from an alkyl group or a halogen-substituted alkyl group.).'}20. The electrolytic solution for the power storage device according to claim 17 , wherein the organic anion is bis(trifluoromethanesulfonyl)amide ([N(CFSO)]) claim 17 , bis(perfluoroethanesulfonyl)amide ([N(CFSO)]) claim 17 , (perfluoroethanesulfonyl)(trifluoromethanesulfonyl)amide ([N(CFSO)(CFSO)]) claim 17 , CFSO claim 17 , CFSO claim 17 , CFCO claim 17 , and/or ...

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06-02-2020 дата публикации

REDOX FLOW BATTERY WITH ELECTROLYTE BALANCING AND COMPATIBILITY ENABLING FEATURES

Номер: US20200044267A1
Автор: Perry Michael L.
Принадлежит:

A redox flow battery includes first and second cells. Each cell has electrodes and a separator layer arranged between the electrodes. A first circulation loop is fluidly connected with the first electrode of the first cell. A polysulfide electrolyte solution has a pH 11.5 or greater and is contained in the first recirculation loop. A second circulation loop is fluidly connected with the second electrode of the second cell. An iron electrolyte solution has a pH 3 or less and is contained in the second circulation loop. A third circulation loop is fluidly connected with the second electrode of the first cell and the first electrode of the second cell. An intermediator electrolyte solution is contained in the third circulation loop. The cells are operable to undergo reversible reactions to store input electrical energy upon charging and discharge the stored electrical energy upon discharging. 1. A redox flow battery comprising:first and second cells, each said cell having first and second electrodes and a separator layer arranged between the first and second electrodes;a first circulation loop fluidly connected with the first electrode of the first cell;a polysulfide electrolyte solution having a pH 11.5 or greater contained in the first recirculation loop;a second circulation loop fluidly connected with the second electrode of the second cell;an iron electrolyte solution having a pH 3 or less contained in the second circulation loop;a third circulation loop fluidly connected with the second electrode of the first cell and the first electrode of the second cell; andan intermediator electrolyte solution contained in the third circulation loop,wherein the polysulfide electrolyte solution and the intermediator electrolyte solution in the first cell, and the iron electrolyte solution and the intermediator electrolyte solution in the second cell, are operable to undergo reversible reactions to store input electrical energy upon charging and discharge the stored electrical ...

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06-02-2020 дата публикации

METHOD OF PRODUCING SHAPE-CONFORMABLE ALKALI METAL-SULFUR BATTERY HAVING A DEFORMABLE AND CONDUCTIVE QUASI-SOLID ELECTRODE

Номер: US20200044290A1
Автор: Jang Bor Z., Zhamu Aruna
Принадлежит: Global Graphene Group, Inc.

Provided is a method of preparing an alkali-sulfur cell comprising: (a) combining a quantity of an active material, a quantity of an electrolyte containing an alkali salt dissolved in a solvent, and a conductive additive to form a deformable and electrically conductive electrode material, wherein the conductive additive, containing conductive filaments, forms a 3D network of electron-conducting pathways; (b) forming the electrode material into a quasi-solid electrode (the first electrode), wherein the forming step includes deforming the electrode material into an electrode shape without interrupting the 3D network of electron-conducting pathways such that the electrode maintains an electrical conductivity no less than 10S/cm; (c) forming a second electrode (the second electrode may be a quasi-solid electrode as well); and (d) forming an alkali-sulfur cell by combining the quasi-solid electrode and the second electrode having an ion-conducting separator disposed between the two electrodes. 1. A method of producing an alkali metal-sulfur cell having a quasi-solid electrode , the method comprising:(a) combining a quantity of a cathode active material, a quantity of an electrolyte, and a conductive additive to form a deformable and electrically conductive cathode material, wherein said cathode active material contains a sulfur-containing material selected from sulfur, a metal-sulfur compound, a sulfur-carbon composite, a sulfur-graphene composite, a sulfur-graphite composite, an organic sulfur compound, a sulfur-polymer composite, or a combination thereof, and wherein said conductive additive, containing conductive filaments, forms a 3D network of electron-conducting pathways and said electrolyte contains an alkali salt dissolved in a solvent and no ion-conducting polymer dissolved or dispersed in said solvent;{'sup': '−6', '(b) forming the cathode material into a quasi-solid cathode, wherein said forming includes deforming the cathode material into an electrode shape ...

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16-02-2017 дата публикации

Anode and electrolyte for a metal-air battery

Номер: US20170047626A1
Автор: Peter Englert
Принадлежит: MAHLE International GmbH

An anode for an aluminium-air battery may include an anode body, which may contain particles of an aluminium alloy in a sodium matrix. An electrolyte for an aluminium-air battery may consist of one of an aqueous acid and an aqueous lye containing at least one halogen and at least one surfactant.

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03-03-2022 дата публикации

GLYONIC LIQUIDS AND USES THEREOF

Номер: US20220064202A1

The present invention provides ionic liquids (ILs) comprising a carbohydrate anionic moiety and a cationic counter-ion moiety (Q) and methods for producing and using the same. In one particular embodiment, the carbohydrate anionic moiety portion of ILs of the present invention is of the formula: (I) wherein G is selected from the group consisting of a monosaccharide, a disaccharide, a trisaccharide, and a derivative thereof; and L is a moiety selected from the group consisting of: (IIA) (IIB) wherein each of R, R, and Ris independently hydrogen, Calkyl, or Cmono- or di-unsaturated alkenyl; Ais —CO, —POH, or —SO; and each of * marked carbon atom is independently a chiral center when said carbon atom has four different groups attached thereto.

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08-05-2014 дата публикации

Stabilization of battery electrodes using prussian blue analogue coatings

Номер: US20140127560A1
Принадлежит: Alveo Energy Inc

An electrochemical apparatus (e.g. a battery (cell)) including an aqueous electrolyte and one or two electrodes (e.g., an anode and/or a cathode), one or both of which includes a Prussian Blue analogue (PBA) material of the general chemical formula A x P[R(CN) 6-j L j ] z .nH 2 O, where: A is a cation; P is a metal cation; R is a transition metal cation; L is a ligand that may be substituted in the place of a CN − ligand; 0≦x≦2; 0≦z≦1; and 0≦n≦5, one or both electrodes including a PBA coating to decrease capacity loss.

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08-05-2014 дата публикации

Stabilization of battery electrodes using polymer coatings

Номер: US20140127592A1
Принадлежит: Alveo Energy Inc

An electrochemical device (e.g., a battery (cell)) including: an aqueous electrolyte and one or two electrodes (e.g., an anode and/or a cathode), one or both of which is a Prussian Blue analogue material of the general chemical formula A x P[R(CN) 6-j L j ] z .nH 2 O, where: A is a cation; P is a metal cation; R is a transition metal cation; L is a ligand that may be substituted in the place of a CN − ligand; 0≦x≦2; 0≦z≦1; and 0≦n≦5, the electrode including a polymer coating to reduce capacity loss.

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14-02-2019 дата публикации

LIQUID POWERED DEVICE

Номер: US20190049903A1
Принадлежит:

A liquid powered device, including a housing assembly configured to be worn on the wrist of a user. The housing assembly includes a front portion and a back portion. A liquid tank assembly is secured within the housing assembly. The liquid tank assembly has a fluid inlet. A power assembly is secured within the liquid tank assembly. An electronic module assembly is secured within the liquid tank assembly. The power assembly is in fluid communication with the fluid inlet to provide filling of the power assembly. The power assembly and the electronic module assembly are each separately liquid sealed. A pressure relief assembly is positioned within the liquid tank assembly for relief of undesired pressure therein. 1. A liquid powered device , comprising:a) a liquid tank assembly configured to be worn on a wrist of a user, said liquid tank assembly having a fluid inlet;b) a power assembly secured within said liquid tank assembly;c) an electronic module assembly secured to said liquid tank assembly;wherein said power assembly is in fluid communication with said fluid inlet to provide filling of said power assembly; and,d) a pressure relief assembly positioned within said liquid tank assembly for relief of undesired pressure therein,wherein said pressure relief assembly comprises a pressure relief housing and a pressure relief element positioned within said pressure relief housing.2. The liquid powered device of claim 1 , wherein said power assembly comprises two sets of metal elements claim 1 , each set configured to produce an electrolyte charge.3. The liquid powered device of claim 1 , wherein said liquid tank assembly includes a divider for separating metal elements of each respective set of metal elements.4. The liquid powered device of claim 1 , wherein said liquid tank assembly includes a plurality of engagement elements for securing a wristband.5. The liquid powered device of claim 1 , wherein said electronic module assembly comprises an electronic module element ...

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03-03-2022 дата публикации

REDOX FLOW BATTERY SYSTEMS AND METHODS OF MANUFACTURE AND OPERATION AND REDUCTION OF METALLIC IMPURITIES

Номер: US20220069328A1
Автор: Li Liyu, Wei Kui
Принадлежит:

A redox flow battery system includes an anolyte having a first ionic species in solution; a catholyte having a second ionic species in solution, where the redox flow battery system is configured to reduce the first ionic species in the anolyte and oxidize the second ionic species in the catholyte during charging; a first electrode in contact with the anolyte, where the first electrode includes channels for collection of particles of reduced metallic impurities in the anolyte; a second electrode in contact with the catholyte; and a separator separating the anolyte from the catholyte. A method of reducing metallic impurities in an anolyte of a redox flow battery system includes reducing the metallic impurities in the anolyte; collecting particles of the reduced metallic impurities; and removing the collected particles using a cleaning solution.

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03-03-2022 дата публикации

Electrode structure, secondary battery, battery pack, vehicle, and stationary power supply

Номер: US20220069336A1
Принадлежит: Toshiba Corp

According to one embodiment, an electrode structure is provided. The electrode structure includes an electrode group and a hold member. The hold member clamps the electrode group in a thickness direction of the electrode group. The electrode group satisfies a formula (1) below.m/L≤0.01  (1)Here, m is a difference Δt in a cross section which is selected from among a plurality of cross sections along the thickness direction of the electrode group. L is a maximum length of the electrode group in an in-plane direction orthogonal to the thickness direction.

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13-02-2020 дата публикации

WATER-BASED ELECTROLYTIC SOLUTION FOR LITHIUM/NATRIUM ION BATTERY AND LITHIUM/NATRIUM ION BATTERY CONTAINING THE SAME

Номер: US20200052344A1
Автор: YANG Jun, Zhang Tao, ZHU Jinhui
Принадлежит:

The present disclosure relates to a water-based electrolytic solution for lithium/sodium ion batteries and a lithium/sodium ion battery containing the electrolytic solution. The water-based electrolytic solution for lithium/sodium ion batteries comprises a hydrophilic oxide nanoparticle uniformly dispersed in an aqueous solution of a lithium/sodium ion salt. With the water-based electrolytic solution for lithium/sodium ion batteries of the present disclosure, the potential window of the water-based electrolytic solution can be improved and hydrogen-generating side reaction can also be prevented. Accordingly, more low-voltage negative electrodes can be applied to a battery system using the water-based electrolytic solution, and the energy density of the battery can be improved. 1. A water-based electrolytic solution for lithium/sodium ion batteries , comprising a hydrophilic oxide nanoparticle uniformly dispersed in an aqueous solution of a lithium/sodium ion salt.2. The water-based electrolytic solution for lithium/sodium ion batteries according to claim 1 , wherein the lithium ion salt is one or more of LiClO claim 1 , LiTFSI claim 1 , LiFSI claim 1 , LiSO claim 1 , and LiNO.3. The water-based electrolytic solution for lithium/sodium ion batteries according to claim 1 , wherein the concentration of the lithium ion salt is 1 to 5 mol/L.4. The water-based electrolytic solution for lithium/sodium ion batteries according to claim 1 , wherein the hydrophilic oxide nanoparticle is one or more of SiO claim 1 , AlO claim 1 , TiO claim 1 , and ZrO.5. The water-based electrolytic solution for lithium/sodium ion batteries according to claim 1 , wherein the particle size of the hydrophilic oxide nanoparticle is 7 to 40 nm.6. The water-based electrolytic solution for lithium/sodium ion batteries according to claim 1 , wherein the content of the hydrophilic oxide nanoparticle is larger than 0 and smaller than 10 wt % and is 1 to 3 wt %.7. The water-based electrolytic solution ...

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01-03-2018 дата публикации

AQUEOUS ELECTROLYTE WITH ETHERS AND BATTERIES USING THE ELECTROLYTE

Номер: US20180062205A1

An aqueous electrolyte composition suitable for a lithium ion battery is provided. The aqueous electrolyte composition contains water, at least one of a linear ether and a cyclic ether and a lithium fluoroalkylsulfonyl salt. A lithium ion battery containing the aqueous electrolyte and a vehicle at least partially powered by the battery are also provided. 1. An aqueous electrolyte for a lithium-ion secondary battery comprising:water;at least one of a linear ether and a cyclic ether; and {'br': None, 'R—SO2-\u2003\u2003(I)'}, 'a lithium salt of an anion comprising a fluoroalkylsulfonyl group of formula (I)wherein R is a perfluoroalkyl group of 1-5 carbons.2. The aqueous electrolyte for a lithium secondary battery of claim 1 , wherein the lithium salt of an anion comprising a fluoroalkylsulfonyl group of formula (I) is at least one salt selected from the group consisting of lithium bis(trifluoromethyl-sulfonyl)imide (LiTFSI) claim 1 , lithium bis(pentafluoroethyl-sulfonyl)imide (LiBETI) claim 1 , lithium bis(fluoromethylsulfonyl)imide (LiFSI) and lithium trifluoromethylsulfonate (LiTFS).3. The aqueous electrolyte for a lithium secondary battery of claim 1 , wherein the at least one of a linear and cyclic ether is selected from the group consisting of dimethoxyethane (DME claim 1 , Glyme) claim 1 , diethylene glycol dimethyl ether (Diglyme) claim 1 , triethylene glycol dimethyl ether (Triglyme) claim 1 , tetraethylene glycol dimethyl ether (Tetraglyme) claim 1 , polyethylene glycol dimethyl ether (PEG) and tetrahydrofuran (THF).4. The aqueous electrolyte for a lithium secondary battery of claim 1 , wherein relative mole ratios of ether (Y) and water (Z) to Li-salt (X) satisfy the following formulas:{'br': None, 'Y/X is from 1/10 to 50/1; and'}{'br': None, 'Z/X is from 1/10 to 5/1.'}5. The aqueous electrolyte for a lithium secondary battery of claim 1 , wherein a concentration of the lithium salt of an anion comprising a fluoroalkylsulfonyl group of formula (I) is from ...

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04-03-2021 дата публикации

POSITIVE ELECTRODE FOR ZN-BR BATTERY (ZBB) AND METHOD OF MANUFACTURING THE SAME

Номер: US20210066719A1
Принадлежит:

Provided are a positive electrode for a Zn—Br battery, a Zn—Br battery including the same, and a method of manufacturing the positive electrode for a Zn—Br battery. The positive electrode for a Zn—Br battery includes a carbon body doped with pyridinic nitrogen. The Zn—Br battery includes a negative electrode including a transition metal coated with zinc, the positive electrode; and an electrolyte. A pH of the electrolyte is in a range of 1.5 to 5. 1. A positive electrode for a Zn—Br battery comprising a carbon body doped with pyridinic nitrogen.2. The positive electrode for a Zn—Br battery of claim 1 , wherein the Zn—Br battery is a membraneless flowless Zn—Br battery.3. The positive electrode for a Zn—Br battery of claim 1 , wherein the carbon body doped with pyridinic nitrogen is a microporous carbon body comprising micropores.4. The positive electrode for a Zn—Br battery of claim 3 , wherein the micropore has an average pore size of 0.2 to 3 nm.5. The positive electrode for a Zn—Br battery of claim 1 , wherein the pyridinic nitrogen is present at 30 atom % or more with respect to the total nitrogen content of the nitrogen-doped carbon body.6. The positive electrode for a Zn—Br battery of claim 1 , wherein the pyridinic nitrogen is positively charged pyridinic nitrogen.7. The positive electrode for a Zn—Br battery of claim 1 , wherein the carbon body doped with pyridinic nitrogen further comprises a porous carbon body substrate claim 1 , and the porous carbon body substrate and the carbon body doped with pyridinic nitrogen are integrated with each other.8. The positive electrode for a Zn—Br battery of claim 1 , wherein adsorption energies of the carbon body doped with pyridinic nitrogen and brominated anions satisfy the following Expression 1:{'br': None, 'i': E', '/E, 'sub': Ad-CN', 'Ad-C, '>5\u2003\u2003[Expression 1]'}{'sub': Ad-CN', 'Ad-C, '(Wherein Erepresents an adsorption energy of a carbon body doped with pyridinic nitrogen and brominated anions, and ...

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04-03-2021 дата публикации

Sulfone sulfonylimide combinations for advanced battery chemistries

Номер: US20210066754A1

Disclosed is an electrochemical cell, which may be used for advanced rechargeable batteries. The electrochemical cell comprises two or more electrodes within an electrolyte solution, where the electrolyte solution containing (i) an aliphatic or cyclic sulfone and (ii) a metal perfluoroalkylsulfonylimide salt.

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29-05-2014 дата публикации

Battery Cell Construction

Номер: US20140147723A1
Автор: Gary R. Tucholski
Принадлежит: BLUE SPARK TECHNOLOGIES Inc

A flexible battery includes at least one electrochemical cell for generating an electrical current, including a cathode collector layer, a cathode layer, an anode layer, and an optional anode collector layer, some or all of which are formed of a dried or cured ink. A first substrate includes a pair of opposed side portions. A first electrode contact is provided that is electrically coupled to the cathode collector layer and is disposed along one of the pair of opposed side portions of the first substrate, and a second electrode contact is provided that is electrically coupled to the anode layer and is disposed along the other of the pair of opposed side portions of the first substrate. The cathode collector layer includes a geometry having a height and a width such that the number of squares is approximately 5 or less.

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10-03-2016 дата публикации

Flexible, Hybrid Energy Generating And Storage Power Cell

Номер: US20160072332A1
Принадлежит: Nokia Oyj

An apparatus includes a separator/electrolyte assembly; a first energy storage portion disposed on a first surface of the separator/electrolyte assembly; a second energy storage portion disposed on a second surface of the separator/electrolyte assembly; a first metallized piezoelectric film disposed on the first energy storage portion; and a second metallized piezoelectric film disposed on the second energy storage portion. When a force is applied to the first metallized piezoelectric film, a piezoelectric effect converts mechanical strain into electric potential and each energy storage portion stores the energy converted in the first energy storage portion and the second energy storage portion for subsequent discharge from the first energy portion and the second energy storage portion to an electronic device.

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08-03-2018 дата публикации

Electrolyte Additives For Magnesium Air Batteries

Номер: US20180069283A1
Принадлежит:

The present invention relates to electrolyte additives for magnesium air batteries, which are compatible with rechargeable magnesium batteries and carry the promise of overcoming the hurdles, especially enhancing the overall performance of magnesium air batteries comprising an aqueous electrolyte. The electrolyte additive for a magnesium battery comprising a chelating agent which is capable of forming a complex with at least one of Fe(II), and Fe(III) ions, where the complex with at least one of Fe(II) and Fe(III) ions has a stability constant in aqueous solution at room temperature (about 25° C.) log K of greater than or equal to 6.0 and which is also capable of forming a complex with Mg(II) ions where the complex with Mg(II) ions has a stability constant in aqueous solution at room temperature (about 25° C.) log K of greater than or equal to 4.0. 1. An electrolyte additive for a magnesium battery comprising a chelating agent which is capable of forming a complex with at least one of Fe(II) and Fe(III) ions , where the complex with at least one of Fe(II) and Fe(III) ions has a stability constant in aqueous solution at room temperature log K of greater than or equal to 6.0 and which is also capable of forming a complex with Mg(II) ions where the complex with Mg(II) ions has a stability constant in aqueous solution at room temperature log K of greater than or equal to 4.0.2. The electrolyte additive of claim 1 , wherein the electrolyte additive comprises at least one aminopoly-carboxylate claim 1 , hydroxycarboxylate claim 1 , hydroxysulfonate or amino acid chelating agent claim 1 , or salts thereof and/or mixtures thereof.3. The electrolyte additive of claim 1 , wherein the electrolyte additive comprises at least one of ethylenediaminetetraacetic acid (EDTA) claim 1 , diethylenetriamine-pentaacetic acid (DTPA) claim 1 , triethylenetetraamine-petaacetic acid (TTHA) claim 1 , ethylenediamine-N claim 1 ,N′-bis(2-hydro-xyphenyl-acetic acid) (EDDHA) claim 1 , N-(2- ...

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28-02-2019 дата публикации

AQUEOUS ELECTROLYTE SOLUTION AND AQUEOUS LITHIUM ION SECONDARY BATTERY

Номер: US20190067747A1
Принадлежит: TOYOTA JIDOSHA KABUSHIKI KAISHA

Disclosed is an aqueous electrolyte solution that is difficult to be reduced to be decomposed, and that can improve properties of a lithium ion secondary battery when the solution is applied to the battery. The aqueous electrolyte solution for a lithium ion secondary battery includes: water; a lithium ion; a TFSI anion; and a cation that can form an ionic liquid when the cation forms a salt along with the TSFI anion in an atmospheric atmosphere, the cation being at least one selected from the group consisting of an ammonium cation, a piperidinium cation, a phosphonium cation, and an imidazolium cation. 1. An aqueous electrolyte solution for a lithium ion secondary battery comprising:water;a lithium ion;a TFSI anion; anda cation that can form an ionic liquid when the cation forms a salt along with the TSFI anion in an atmospheric atmosphere, the cation being at least one selected from the group consisting of an ammonium cation, a piperidinium cation, a phosphonium cation, and an imidazolium cation.2. The aqueous electrolyte solution according to claim 1 , whereinno less than 1 mol of the lithium ions, and no less than 1 mol of the TFSI anions are included per kilogram of the water.3. The aqueous electrolyte solution according to claim 1 , wherein the cation is at least the imidazolium cation.4. An aqueous lithium ion secondary battery comprising:a cathode;an anode; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the aqueous electrolyte solution according to .'}5. The aqueous lithium ion secondary battery according to claim 4 , wherein the anode contains LiTiOas an anode active material.6. A method for producing an aqueous electrolyte solution for a lithium ion secondary battery claim 4 , the method comprising:mixing water, LiTFSI, and an ionic liquid,wherein the ionic liquid is a salt of a cation and a TFSI anion, the cation being at least one selected from the group consisting of an ammonium cation, a piperidinium cation, a phosphonium cation, and an ...

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17-03-2016 дата публикации

LIQUID POWERED ASSEMBLY

Номер: US20160079586A1
Автор: BEDOL MARK A., Scott Kohar
Принадлежит:

A liquid powered assembly including a housing; a removable bottom base; a seal; an electrolyte battery assembly; and, a liquid powered device is described. The housing includes an upper end portion and a lower end portion. The housing has a volume for containing an electrolyte solution. The lower end portion has a fluid inlet. The removable bottom base has a bottom surface for supporting the liquid powered assembly. A seal engages the housing and the removable bottom base to help contain the liquid. An electrolyte battery assembly is positioned within the housing. A liquid powered device is operably attached to the electrolyte battery assembly. To function, the housing and the removable bottom base are detached relative to each other and the housing is turned substantially upside down to allow filling of the housing via the inlet. The bottom base is then attached to the housing and the assembly is then inverted for use. 1. A liquid powered assembly , comprising:a housing, having a generally spherical shape, including an upper end portion and a lower end portion, said housing having a volume therein for containing an electrolyte solution, said lower end portion having a fluid inlet;a removable bottom base removably attached to said lower end portion of said housing, said removable bottom base having a bottom surface for supporting said liquid powered assembly, a stem of said lower end portion of said housing threading into said removable bottom base;wherein said base is under a majority of a diameter of said housing when said housing sits atop said base;a seal for engaging said housing and said removable bottom base for providing fluidic sealing engagement therebetween at said fluid inlet, said seal being a disc positioned under said housing and above said removable bottom base;an electrolyte battery assembly positioned within said housing, said electrolyte battery assembly having two sets of metal rods disposed centrally within said housing; and, 'to provide ...

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15-03-2018 дата публикации

NITRILE-SUBSTITUTED SILANES AND ELECTROLYTE COMPOSITIONS AND ELECTROCHEMICAL DEVICES CONTAINING THEM

Номер: US20180076477A1
Принадлежит:

Described herein are liquid, organosilicon compounds that including a substituent that is a cyano (—CN), cyanate (—OCN), isocyanate (—NCO), thiocyanate (—SCN) or isothiocyanate (—NCS). The organosilicon compounds are useful in electrolyte compositions and can be used in any electrochemical device where electrolytes are conventionally used. 3. Compounds of claim 2 , wherein “Spacer” is present claim 2 , and Y is —(O—CH—CH)—.5. Compounds of claim 2 , wherein “Spacer” is absent claim 2 , and Y is —(O—CH—CH)—.7. A compound of claim 6 , wherein Rand Rare selected from the group consisting of Cto Calkyl claim 6 , chloro claim 6 , and fluoro.8. A compound of claim 6 , wherein Rand Rare methyl.9. A compound of claim 6 , wherein each “n” is independently 1 to 5.10. A compound of claim 6 , wherein Ris cyano.12. A compound of claim 11 , wherein R claim 11 , R claim 11 , and Rare selected from the group consisting of Cto Calkyl claim 11 , chloro claim 11 , and fluoro.13. A compound of claim 11 , wherein at least one of R claim 11 , R claim 11 , and Ris halogen.14. A compound of claim 11 , wherein at least two of R claim 11 , R claim 11 , and Rare halogen.15. A compound of claim 11 , wherein “Spacer” is a Cto Clinear or branched alkylene.16. A compound of claim 11 , wherein Ris cyano.18. A compound of claim 17 , wherein R claim 17 , R claim 17 , and Rare selected from the group consisting of Cto Calkyl claim 17 , chloro claim 17 , and fluoro.19. A compound of claim 17 , wherein at least one of R claim 17 , R claim 17 , and Ris halogen.20. A compound of claim 17 , wherein at least two of R claim 17 , R claim 17 , and Rare halogen.21. A compound of claim 17 , wherein “spacer” is a Cto Clinear or branched alkylene.22. A compound of claim 17 , wherein “x” is 1 to 4.23. A compound of claim 17 , wherein Ris cyano.25. A compound of claim 24 , wherein R claim 24 , R claim 24 , and Rare selected from the group consisting of Cto Calkyl claim 24 , chloro claim 24 , and fluoro.26. A ...

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16-03-2017 дата публикации

ELECTROLYTE FOR METAL-AIR BATTERIES AND METAL-AIR BATTERY

Номер: US20170077524A1
Принадлежит:

An electrolyte for metal-air batteries, which is able to inhibit the self-discharge of metal-air batteries, and a metal-air battery using the electrolyte. The electrolyte for metal-air batteries having an anode containing at least one kind of metal element selected from aluminum and magnesium, may comprise an aqueous solution comprising a self-discharge inhibitor containing at least one kind of ion selected from the group consisting of an HPO anion and a Ca cation and at least one kind of ion selected from the group consisting of a CHS anion, an SO anion and an SCN anion. 1. An electrolyte for metal-air batteries having an anode containing at least one kind of metal element selected from aluminum and magnesium , the electrolyte comprising an aqueous solution comprising a self-discharge inhibitor containing at least one kind of ion selected from the group consisting of an HPOanion and a Ca cation and at least one kind of ion selected from the group consisting of a CHS anion , an SO anion and an SCN anion.2. The electrolyte for metal-air batteries according to claim 1 , wherein the self-discharge inhibitor comprises at least one selected from the group consisting of NaHPOand Ca(OH)and at least one selected from the group consisting of CHSNa claim 1 , NaSOand NaSCN.3. The electrolyte for metal-air batteries according to claim 1 , wherein a content of the self-discharge inhibitor is in a range of 0.001 mol/L or more to 0.1 mol/L or less.4. The electrolyte for metal-air batteries according to claim 1 , wherein the aqueous solution is basic.5. The electrolyte for metal-air batteries according to claim 1 , wherein the aqueous solution further comprises NaOH as an electrolyte compound.6. A metal-air battery comprising:an air electrode configured to receive an oxygen supply;an anode containing at least one kind of metal element selected from aluminum and magnesium; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'an electrolyte defined by , the electrolyte being in ...

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16-03-2017 дата публикации

ELECTROLYTE FOR IRON-AIR BATTERIES AND IRON-AIR BATTERY

Номер: US20170077571A1
Принадлежит:

An electrolyte for iron-air batteries, which is able to increase the discharge capacity of iron-air batteries without concentration control, and an iron-air battery using the electrolyte. The electrolyte for iron-air batteries having an anode containing an iron element may comprise an aqueous solution comprising a discharge reaction promoter containing at least one kind of anion selected from the group consisting of SCN anions, SOanions and (CH)NCSS anions. 1. An electrolyte for iron-air batteries having an anode containing an iron element , the electrolyte comprising an aqueous solution comprising a discharge reaction promoter containing at least one kind of anion selected from the group consisting of SCN anions , SO anions and (CH)NCSS anions.2. The electrolyte for iron-air batteries according to claim 1 , wherein the discharge reaction promoter comprises at least one kind of cation selected from the group consisting of Li cations claim 1 , K cations claim 1 , Na cations claim 1 , Rb cations claim 1 , Cs cations and Fr cations.3. The electrolyte for iron-air batteries according to claim 1 , wherein the discharge reaction promoter is NaSO.4. The electrolyte for iron-air batteries according to claim 1 , wherein a concentration of the discharge reaction promoter is in a range of 0.005 mol/L to 0.1 mol/L.5. The electrolyte for iron-air batteries according to claim 1 , wherein the aqueous solution is basic.6. The electrolyte for iron-air batteries according to claim 1 , wherein the aqueous solution comprises KOH as an electrolyte compound.7. An iron-air battery comprising:an air electrode configured to receive an oxygen supply;an anode containing an iron element; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'an electrolyte defined by , the electrolyte being in contact with the air electrode and the anode.'} The disclosure relates to an electrolyte for iron-air batteries, and an iron-air battery.An air battery in which oxygen is used as an active material, has ...

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24-03-2022 дата публикации

Flow battery system

Номер: US20220093955A1
Принадлежит: Sumitomo Electric Industries Ltd

Provided is an electrolyte for a flow battery, the electrolyte being supplied to a flow battery, in which a total concentration of ions of elements of groups 1 to 8 and ions of elements of groups 13 to 16 in the fifth period of the periodic table, and ions of elements of groups 1, 2, and 4 to 8 and ions of elements of groups 13 to 15 in the sixth period of the periodic table, the ions being impurity element ions involved in generation of a gas containing elemental hydrogen, may be 610 mg/L or less and a concentration of vanadium ions may be 1 mol/L or more and 3 mol/L or less.

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24-03-2022 дата публикации

NEGATIVE ELECTRODE FOR AQUEOUS ELECTROLYTE CELL AND SHEET-TYPE CELL

Номер: US20220093996A1
Принадлежит: Maxell Holdings, Ltd.

A negative electrode for an aqueous electrolyte cell disclosed in the present application contains an electrolytic zinc foil as an active material layer. The electrolytic zinc foil is preferably composed of zinc alloy containing Bi in a proportion of 0.001 to 0.2% by mass. A sheet-type cell disclosed in the present application includes a sheet-type outer case and a power generation element contained in the sheet-type outer case. The power generation element includes a positive electrode, a negative electrode, a separator, and an aqueous electrolyte solution. The negative electrode is the negative electrode for an aqueous electrolyte cell of the present application. 1. (canceled)2. (canceled)3. (canceled)4. (canceled)5. A sheet-type cell comprising:a sheet-type outer case: and a positive electrode;', 'a negative electrode;', 'a separator; and', 'an aqueous electrolyte solution, wherein, 'a power generation element contained in the sheet-type outer case, the power generation element comprising 'the electrolytic zinc foil is composed of zinc alloy containing 0.001 to 0.2% by mass of Bi, and', 'the negative electrode comprises an electrolytic zinc foil as an active material layer,'}the aqueous electrolyte solution is an aqueous solution which contains an electrolyte salt and has a pH of 4 or more and less than 12, or an alkaline electrolyte solution.6. The sheet-type cell according to claim 5 , wherein the aqueous electrolyte solution has a pH of less than 7.7. The sheet-type cell according to claim 5 , wherein the electrolytic zinc foil is composed of zinc alloy containing 0.02 to 0.07% by mass of Bi.8. The sheet-type cell according to claim 5 , wherein the electrolytic zinc foil does not contain In claim 5 , or contains 0.04% by mass or less of In.9. The sheet-type cell according to claim 5 , wherein the sheet-type outer case is formed of a resin film comprising an electrically insulating moisture barrier layer.10. The sheet-type cell according to claim 5 , wherein ...

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05-03-2020 дата публикации

Complexed Iodine-Based Electrolyte and Redox Flow Battery Comprising the Same

Номер: US20200075952A1
Принадлежит:

The disclosure relates to a complexed iodine-based electrolyte, a redox flow battery comprising the complexed iodine-based electrolyte, and a method for producing the redox flow battery. 1. A complexed iodine-based electrolyte , comprising an iodide moiety , a complexing agent and a solvent , wherein the complexed iodine-based electrolyte comprises complexed iodide ions during charging process , and comprises free iodide ions during discharging process ,wherein the complexing agent comprises a hetero-halide ion, a pseudohalide ion, a complexing molecule or a combination thereof.2. The complexed iodine-based electrolyte of claim 1 , wherein the hetero-halide ion is selected from the group consisting of F claim 1 , Cl claim 1 , Br claim 1 , Atand a combination thereof claim 1 , and wherein if the hetero-halide ion is Br claim 1 , the complexing agent is a combination of Brwith a complexing molecule.3. The complexed iodine-based electrolyte of claim 1 , wherein the pseudohalide ion is selected from the group consisting of SCN claim 1 , OCN claim 1 , CN claim 1 , SeCN claim 1 , TeCN claim 1 , N claim 1 , Co(CO) claim 1 , C(CN) claim 1 , CSNand a combination thereof.4. The complexed iodine-based electrolyte of claim 1 , wherein the complexing molecule is selected from the group consisting of activated carbon claim 1 , polyvinylpyrrolidone claim 1 , polysaccharides claim 1 , carboxymethyl starch sodium claim 1 , polyoxyethylene or their derivatives and a combination thereof.5. The complexed iodine-based electrolyte of claim 4 , wherein the complexing molecules form a particle with a diameter of 0.1 μm to 10 μm.6. The complexed iodine-based electrolyte of claim 1 , wherein the solvent is selected from the group consisting of water claim 1 , acetone claim 1 , ethanol claim 1 , dimethyl sulfoxide claim 1 , acetonitrile claim 1 , 1 claim 1 ,3-dioxolane claim 1 , 1 claim 1 ,2-dimethoxyethane claim 1 , diglyme claim 1 , ethyl acetate claim 1 , toluene claim 1 , hexane claim 1 , ...

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18-03-2021 дата публикации

SEPARATOR, ELECTRODE GROUP, SECONDARY BATTERY, BATTERY PACK, VEHICLE, AND STATIONARY POWER SUPPLY

Номер: US20210083251A1
Принадлежит: KABUSHIKI KAISHA TOSHIBA

According to one embodiment, a separator is provided. The separator includes a composite membrane. The composite membrane includes a substrate layer, a first composite layer, and a second composite layer. The first composite layer is located on one surface of the substrate layer. The second composite layer is located on the other surface of the substrate layer. The composite membrane has a coefficient of air permeability of 1×10mor less. The first composite layer has a first surface and a second surface. The first surface is in contact with the substrate layer. The second surface is located on an opposite side to the first surface. Denseness of a portion including the first surface is lower than denseness of a portion including the second surface in the first composite layer. 1. A separator comprising a composite membrane that includes:a substrate layer;a first composite layer located on one surface of the substrate layer; anda second composite layer located on the other surface of the substrate layer, wherein{'sup': −14', '2, 'the composite membrane has a coefficient of air permeability of 1×10mor less,'}the first composite layer and the second composite layer each includes inorganic solid particles and a polymeric material,the first composite layer has a first surface in contact with the substrate layer and a second surface located on an opposite side to the first surface, anddenseness of a portion including the first surface in the first composite layer is lower than denseness of a portion including the second surface in the first composite layer.2. The separator according to claim 1 , wherein{'sub': C1', 'C1', 'C1', 'C1, 'a ratio SD/FDof a second density SDto a first density FDis 1.03 or more in the first composite layer, wherein'}{'sub': C1', 'C1', 'C1', 'C1', 'C1', 'C1, 'the first density FDof the first composite layer is a proportion occupied by a portion other than holes in a region from the first surface to a surface located at a depth of 0.2 Twith respect ...

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18-03-2021 дата публикации

RECHARGEABLE BATTERY AND ELECTROLYTE SOLUTION

Номер: US20210083324A1

A rechargeable battery including a positive electrode, a negative electrode, and an electrolyte solution is provided. The electrolyte solution contains water and one or more lithium salts, and the lithium salts include lithium fluorophosphate. 1. A rechargeable battery comprising a positive electrode , a negative electrode , and an electrolyte solution , wherein:the electrolyte solution contains water and one or more lithium salts; andthe lithium salts include lithium fluorophosphate.2. The rechargeable battery according to claim 1 , wherein the lithium fluorophosphate is LiPFO(1≤x<3 claim 1 , 0 Подробнее

22-03-2018 дата публикации

SECONDARY BATTERY, BATTERY PACK, AND VEHICLE

Номер: US20180083321A1
Принадлежит: KABUSHIKI KAISHA TOSHIBA

According to one embodiment, a secondary battery is provided. The secondary battery includes a positive electrode, a negative electrode, and an electrolyte. The electrolyte contains a water-containing solvent and a nitrogen atom-containing organic sulfur compound. The concentration of the nitrogen atom-containing organic sulfur compound in the electrolyte is within a range of from 0.001 mM to 20 mM. 1. A secondary battery comprising:a positive electrode;a negative electrode; andan electrolyte,wherein the electrolyte comprises a water-containing solvent, an electrolyte salt, and a nitrogen atom-containing organic sulfur compound, anda concentration of the nitrogen atom-containing organic sulfur compound in the electrolyte is within a range of from 0.001 mM to 20 mM.2. The secondary battery according to claim 1 , wherein the nitrogen atom-containing organic sulfur compound comprises at least one selected from the group consisting of a sulfide compound and a sulfimide compound.3. The secondary battery according to claim 1 , wherein the nitrogen atom-containing organic sulfur compound is at least one selected from the group consisting of saccharin sodium salt claim 1 , thiourea claim 1 , and sodium mercapto benzothiazole propane sulfonate.4. The secondary battery according to claim 1 , wherein the electrolyte salt comprises a lithium salt and a concentration of the lithium salt in the electrolyte is within a range of from 3 M to 10 M.5. The secondary battery according to claim 4 , wherein the lithium salt is lithium chloride.6. The secondary battery according to claim 1 , wherein the negative electrode has a specific surface area of from 3 m/g to 50 m/g.7. The secondary battery according to claim 1 , wherein the negative electrode comprises at least one selected from the group consisting of a titanium oxide and a lithium titanium oxide as a negative electrode active material.8. The secondary battery according to claim 1 , wherein the positive electrode comprises at ...

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12-03-2020 дата публикации

Battery, battery pack, and uninterruptible power supply

Номер: US20200083556A1
Принадлежит: Positec Power Tools Suzhou Co Ltd

A battery, including a cathode, an anode, and an electrolyte solution. The cathode includes a cathode active substance and a cathode current collector. The electrolyte solution includes first metal ions and second metal ions. In a charging/discharging process, the first metal ions can be reversibly deintercalated-intercalated at the cathode, the second metal ions can be reduced and deposited as a second metal at the anode, and the second metal can be oxidized and dissolved back to the second metal ions. The anode includes a anode active substance and a anode current collector. A lead-containing substance is provided on a surface of the anode active substance and/or in the electrolyte solution. A mass ratio of lead in the lead-containing substance to the battery is not greater than 1000 ppm.

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12-03-2020 дата публикации

BATTERY ELECTROLYTE COMPOSITION

Номер: US20200083568A1
Автор: Carlson Lawrence
Принадлежит:

An electrolyte composition for use in an electrolytic cell and an electrolytic cell that includes the same. The electrolytic cell includes a chemical component having the general formula: 2. The battery electrolyte composition of wherein the battery electrolyte composition has a specific gravity between 1.2 and 1.4.3. The battery electrolyte composition of wherein the solution has a specific gravity between 1.25 and 1.3.4. The battery electrolyte composition of wherein the ionic salt component is present in an amount between 1 and 100 ppm.5. The battery electrolyte composition of wherein the ionic salt is selected from the group consisting of calcium salts claim 4 , sodium salts claim 4 , magnesium salts claim 4 , potassium salts and mixtures thereof.6. The battery electrolyte composition of wherein the chemical component of Formula I is present in an amount between 20 and 40% by volume and x is an integer between 3 and 11 and y is an integer between 1 and 10.7. The battery electrolyte composition of wherein in the compound of Formula I is present in an amount between 30 and 36% by volume and Z is a polyatomic ion having a charge of −2 or greater.8. The battery electrolyte composition of wherein in the compound of Formula I claim 7 , Z is selected from the group consisting of sulfite claim 7 , sulfate claim 7 , carbonate claim 7 , phosphate claim 7 , oxalate claim 7 , chromate claim 7 , dichromate claim 7 , pyrophosphate and mixtures thereof.9. The battery electrolyte composition of composed of a stiochiometrically balanced chemical composition of at least one of the following: hydrogen (1+) claim 1 , triaqua-μ3-oxotri sulfate (1:1); hydrogen (1+) claim 1 , triaqua-μ3-oxotri carbonate (1:1) claim 1 , hydrogen (1+) claim 1 , triaqua-μ3-oxotri phosphate claim 1 , (1:1); hydrogen (1+) claim 1 , triaqua-μ3-oxotri oxalate (1:1); hydrogen (1+) claim 1 , triaqua-μ3-oxotri chromate (1:1) hydrogen (1+) claim 1 , triaqua-μ3-oxotri dichromate (1:1) claim 1 , hydrogen (1+) ...

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25-03-2021 дата публикации

CATHODE, METAL-AIR BATTERY INCLUDING THE CATHODE, AND METHOD OF MANUFACTURING THE CATHODE

Номер: US20210091387A1
Принадлежит:

A cathode including a metal carbonate and an aqueous electrolyte material on the metal carbonate. 1. A cathode comprising:metal carbonate; andan aqueous electrolyte material on the metal carbonate.2. The cathode of claim 1 , wherein the metal carbonate comprises at least one of LiCO claim 1 , NaCO claim 1 , or KCO.3. The cathode of claim 1 , wherein the aqueous electrolyte material comprises at least one of NHCl claim 1 , LiCl claim 1 , LiSO claim 1 , LiOH claim 1 , or a C1 to C9 alkylammonium chloride.4. The cathode of claim 1 , further comprising a cathode support claim 1 , the metal carbonate being between the aqueous electrolyte material and the cathode support.5. The cathode of claim 4 , wherein the cathode support comprises at least one of carbon claim 4 , a metal oxide claim 4 , or an electron conductor containing a metal.6. A metal-air battery comprising:an anode portion comprising a metal;a separator disposed on the anode portion; anda cathode portion disposed on the separator, the cathode portion comprising an aqueous electrolyte material and a metal carbonate.7. The metal-air battery of claim 6 , wherein the separator comprises a solid electrolyte.8. The metal-air battery of claim 7 , wherein the solid electrolyte comprises a lithium ion conductive glass claim 7 , a crystalline lithium ion conductor claim 7 , or a combination thereof.9. The metal-air battery of claim 7 , wherein the solid electrolyte comprisesat least one of lithium-aluminum-germanium-phosphate,lithium-aluminum-titanium-phosphate, orlithium-aluminum-titanium-silicon-phosphate.10. The metal-air battery of claim 6 , wherein the cathode portion is an electrode that does not comprise an organic electrolyte.11. The metal-air battery of claim 6 , further comprising a gas diffusion layer on a surface of the cathode portion.12. The metal-air battery of claim 6 , wherein the metal carbonate comprises at least one of LiCO claim 6 , NaCO claim 6 , or KCO.13. The metal-air battery of claim 6 , ...

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25-03-2021 дата публикации

Tin-iodate rechargeable battery

Номер: US20210091399A1
Автор: Jiang Yun
Принадлежит:

The present invention discloses a rechargeable tin-iodate battery, including static battery and redox flow battery, in which anodic tin will be dissolved as Sn and Sn ions while iodate will be reduced to iodine and iodide at carbon cathode during discharging. The process will be reversed in charging. The tin-iodate battery comprises a tin anode (), a carbon cathode (), a selective permeable separator (), and aqueous acidic electrolytes, whereby electricity energy can stored with high energy density and high power density, and large-scale energy storage and electrified vehicle can be achieved. 1. A rechargeable tin-iodate battery , including static battery and redox flow battery , comprising:a tin anode;a carbon cathode;a selective permeable separator for separating anodic stannous electrolyte and cathodic iodic electrolyte;andaqueous acidic electrolytes,whereby electricity energy can be stored.3. The rechargeable tin-iodate battery of claim 1 , wherein said tin anode comprises at least tin or carbon.4. The rechargeable tin-iodate battery of claim 3 , wherein said tin anode is capable of at least one of the following redox reactions:{'br': None, 'i': 'e', 'sup': −', '2+', '0, '3Sn−6↔3Sn E=−0.13 V'}{'br': None, 'sup': 2+', '−', '4+', '0, 'i': 'e', '3Sn−6↔3Sn E=0.15 V'}5. The rechargeable tin-iodate battery of claim 1 , wherein said carbon cathode comprises carbon.6. The rechargeable tin-iodate battery of claim 5 , wherein said carbon cathode is capable of the following redox reaction:{'br': None, 'sub': 3', '2', '2, 'sup': −', '+', '−', '0, 'i': 'e', '2IO+12H+10↔I+6HO E=1.20 V'}7. The rechargeable tin-iodate battery of claim 1 , wherein said selective permeable separator comprises at least one layer of membrane or a device with multiple membranes to separate anodic electrolyte and cathodic electrolyte.8. The rechargeable tin-iodate battery of claim 1 , wherein said aqueous acidic electrolytes include anodic stannous electrolyte and cathodic iodic electrolyte.9. The ...

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29-03-2018 дата публикации

METAL COMPLEXES OF SUBSTITUTED CATECHOLATES AND REDOX FLOW BATTERIES CONTAINING THE SAME

Номер: US20180090778A1
Автор: Reece Steven Y.
Принадлежит:

Active materials for flow batteries can include various coordination compounds formed from transition metals. Some compositions containing coordination compounds can include a substituted catecholate ligand having a structure of 2. The composition of claim 1 , wherein the coordination compound has a formula of{'br': None, 'sub': g', '1', '2', '3, 'DM(L)(L)(L);'}{'sub': 4', '1', '2', '3', '1', '2', '3, 'sup': +', '+', '+', '+, 'wherein M is a transition metal, D is NH, Li, Na, or K, g is an integer ranging between 0 and 6, and L, Land Lare ligands, at least one of L, Land Lbeing the substituted catecholate ligand.'}3. The composition of claim 2 , wherein at least two of L claim 2 , Land Lare substituted catecholate ligands.4. The composition of claim 3 , wherein Land Lare substituted catecholate ligands and Lis an unsubstituted catecholate ligand.5. The composition of claim 2 , wherein Lis the substituted catecholate ligand and Land Lare unsubstituted catecholate ligands.6. The composition of claim 2 , wherein each of L claim 2 , Land Lare substituted catecholate ligands.7. The composition of claim 2 , wherein the transition metal is Ti.8. The composition of claim 2 , wherein any of L claim 2 , Land Lthat are not substituted catecholate ligands comprise one or more ligands that are independently selected from the group consisting of an unsubstituted catecholate claim 2 , ascorbate claim 2 , citrate claim 2 , glycolate claim 2 , a polyol claim 2 , gluconate claim 2 , a hydroxyalkanoate claim 2 , acetate claim 2 , formate claim 2 , benzoate claim 2 , malate claim 2 , maleate claim 2 , phthalate claim 2 , sarcosinate claim 2 , salicylate claim 2 , oxalate claim 2 , a urea claim 2 , a polyamine claim 2 , aminophenolate claim 2 , acetylacetonate claim 2 , and lactate.12. An electrolyte solution comprising the composition of claim 1 ,wherein the electrolyte solution is an aqueous solution, andwherein the aqueous solution has a pH ranging between about 1 and about 13.13. ...

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05-05-2022 дата публикации

USE OF QUATERNARY AMMONIUM SALT-TYPE ANTHRAQUINONE-BASED ACTIVE MATERIAL AND SALT CAVERN ORGANIC AQUEOUS REDOX FLOW BATTERY

Номер: US20220140375A1
Принадлежит: CHINA SALT JINTAN CO., LTD.

The present invention relates to use of a quaternary ammonium salt-type anthraquinone-based active material, and a salt cavern organic aqueous redox flow battery. The quaternary ammonium salt-type anthraquinone-based active material is used as a negative active material in a salt cavern battery, and a quaternary ammonium salt group is introduced, which can improve the solubility of anthraquinone in a neutral sodium chloride solution, thereby increasing the energy density of the battery. Also, the material has a relatively good stability, without the need for charging and discharging under the protection of an inert gas environment.

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21-03-2019 дата публикации

AQUEOUS LITHIUM ION SECONDARY BATTERY

Номер: US20190089008A1
Автор: Suyama Hiroshi
Принадлежит: TOYOTA JIDOSHA KABUSHIKI KAISHA

Provided is an aqueous lithium ion secondary battery configured to ensure cycle stability. Disclosed is an aqueous lithium ion secondary battery comprising: an aqueous liquid electrolyte comprising water and an electrolyte, an anode active material layer comprising an anode active material, and an anode current collector, wherein a charge potential of the anode active material calculated from a current value of a reduction peak observed by cyclic voltammetry measurement using the anode active material and the aqueous liquid electrolyte, is a more noble potential than a reduction decomposition potential of the aqueous liquid electrolyte on carbon, and it is a more base potential than the reduction decomposition potential of the aqueous liquid electrolyte on the anode current collector, and wherein the anode current collector comprises a carbon coating layer on a surface thereof. 1. An aqueous lithium ion secondary battery comprising:an aqueous liquid electrolyte comprising water and an electrolyte,an anode active material layer comprising an anode active material, andan anode current collector,wherein a charge potential of the anode active material calculated from a current value of a reduction peak observed by cyclic voltammetry measurement using the anode active material and the aqueous liquid electrolyte, is a more noble potential than a reduction decomposition potential of the aqueous liquid electrolyte on carbon, and it is a more base potential than the reduction decomposition potential of the aqueous liquid electrolyte on the anode current collector, andwherein the anode current collector comprises a carbon coating layer on a surface thereof.2. The aqueous lithium ion secondary battery according to claim 1 , wherein the anode active material is at least one compound selected from the group consisting of LiTiOand TiO.3. The aqueous lithium ion secondary battery according to claim 1 , wherein a pH of the aqueous liquid electrolyte is 3 or more and 11 or less.4. ...

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21-03-2019 дата публикации

SECONDARY BATTERY, BATTERY PACK, AND VEHICLE

Номер: US20190089009A1
Принадлежит: KABUSHIKI KAISHA TOSHIBA

According to one embodiment, a secondary battery is provided. The secondary battery includes a positive electrode, an aqueous electrolyte, a separator, and a negative electrode including a negative electrode active material-containing layer. The negative electrode active material-containing layer includes negative electrode active material particles and solid electrolyte particles having lithium ion conductivity. The porosity of the negative electrode active material-containing layer is within a range of 0.1% to 28%. The water content of the negative electrode active material-containing layer is within a range of 0.01 g/cmto 0.4 g/cm. 1. A secondary battery comprising a positive electrode , an aqueous electrolyte , a separator , and a negative electrode comprising a negative electrode active material-containing layer ,wherein the negative electrode active material-containing layer comprises negative electrode active material particles and solid electrolyte particles having lithium ion conductivity, and{'sup': 3', '3, 'a porosity of the negative electrode active material-containing layer is within a range of 0.1% to 28%, and a water content of the negative electrode active material-containing layer is within a range of 0.01 g/cmto 0.4 g/cm.'}2. The secondary battery according to claim 1 ,{'sup': '−10', 'wherein the solid electrolyte particles have a lithium ion conductivity of 1×10S/cm or more at 25° C.'}3. The secondary battery according to claim 1 ,wherein the solid electrolyte particles comprise an organic compound having lithium ion conductivity.4. The secondary battery according to claim 1 ,{'sup': 3', '3, 'wherein the water content of the negative electrode active material-containing layer is within a range of 0.02 g/cmto 0.22 g/cm.'}5. The secondary battery according to claim 1 ,{'sup': 3', '3, 'wherein a density of the negative electrode is within a range of 1.9 g/cmto 2.8 g/cm.'}6. The secondary battery according to claim 1 ,wherein the aqueous electrolyte ...

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21-03-2019 дата публикации

SECONDARY BATTERY, BATTERY PACK, AND VEHICLE

Номер: US20190089010A1
Принадлежит: KABUSHIKI KAISHA TOSHIBA

According to one embodiment, a secondary battery including a positive electrode, a negative electrode, and an electrolyte is provided. The negative electrode contains a negative electrode active material. The negative electrode active material includes titanium-containing metal oxide particles, an anatase type TiOphase, and a solid electrolyte phase. Each of the anatase type TiOphase and the solid electrolyte phase is disposed on at least a portion of a surface of the titanium-containing metal oxide particles. The electrolyte contains an electrolyte salt and water. 1. A secondary battery comprising:a positive electrode;{'sub': 2', '2, 'a negative electrode comprising a negative electrode active material, the negative electrode active material comprising titanium-containing metal oxide particles, an anatase type TiOphase, and a solid electrolyte phase, each of the anatase type TiOphase and the solid electrolyte phase being disposed on at least a portion of a surface of the titanium-containing metal oxide particles; and'}an electrolyte comprising an electrolyte salt and water.2. The secondary battery according to claim 1 , wherein the solid electrolyte phase comprises at least one selected from the group consisting of a compound represented by LiM1M2(PO)for which M1 is Al claim 1 , M2 is at least one selected from the group consisting of Ge and Ti claim 1 , and 0.05≤x≤0.5 claim 1 , a compound represented by LiMOfor which M is at least one selected from the group consisting of Nb and La claim 1 , a compound represented by LnLiTiOfor which Ln is at least one selected from the group consisting of La claim 1 , Pr claim 1 , Nd claim 1 , and Sm claim 1 , and 0.04≤x≤0.14 claim 1 , a compound represented by LiPONfor which 2.6≤x≤3.5 claim 1 , 1.9≤y≤3.8 claim 1 , and 0.1≤z≤1.3 claim 1 , LiBO claim 1 , and LiSiO.3. The secondary battery according to claim 1 , wherein the titanium-containing metal oxide particles comprise a titanium-containing oxide phase and the anatase type ...

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21-03-2019 дата публикации

SECONDARY BATTERY, BATTERY PACK, AND VEHICLE

Номер: US20190089011A1
Принадлежит: KABUSHIKI KAISHA TOSHIBA

According to one embodiment, a secondary battery is provided. The secondary battery includes a negative electrode, a positive electrode, a first aqueous electrolyte, a second aqueous electrolyte, and a partition having a first surface and a second surface opposite to the first surface. The partition is positioned between the negative electrode and the positive electrode. The first aqueous electrolyte is in contact with the first surface of the partition and the negative electrode. The second aqueous electrolyte is in contact with the second surface of the partition and the positive electrode. The partition contains a solid electrolyte having alkali metal ion conductivity. The first aqueous electrolyte includes an organic compound. 1. A secondary battery comprising a negative electrode , a positive electrode , a first aqueous electrolyte , a second aqueous electrolyte , and a partition having a first surface and a second surface opposite to the first surface ,wherein the partition is positioned between the negative electrode and the positive electrode,the first aqueous electrolyte is in contact with the first surface of the partition and the negative electrode,the second aqueous electrolyte is in contact with the second surface of the partition and the positive electrode,the partition comprises a solid electrolyte having alkali metal ion conductivity, andthe first aqueous electrolyte comprises an organic compound.2. The secondary battery according to claim 1 ,wherein when the second aqueous electrolyte comprises the organic compound, a ratio M1 of a molar concentration of the organic compound to a molar concentration of water in the first aqueous electrolyte is higher than a ratio M2 of a molar concentration of the organic compound to a molar concentration of water in the second aqueous electrolyte.3. The secondary battery according to claim 2 ,wherein the ratio M1 is within a range of 0.0001 to 0.5.4. The secondary battery according to claim 1 ,wherein a pH of the ...

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21-03-2019 дата публикации

Secondary battery, battery pack, and vehicle

Номер: US20190089012A1
Принадлежит: Toshiba Corp

According to an embodiment, a secondary battery is provided. The secondary battery includes a positive electrode, a negative electrode, separator, and an aqueous electrolyte. The separator is located at least between the positive electrode and the negative electrode. The separator includes a composite film. The composite film includes a mixture of a polymeric material and ion conductive solid electrolyte particles having alkali metal ions conductivity. The polymeric material includes a polymer comprising a monomer unit. The monomer unit is a hydrocarbon with a functional group including at least one element selected from the group consisting of oxygen (O), sulfur (S), nitrogen (N), and fluorine (F). A ratio of the polymer in the polymeric material is not less than 70 mol %.

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09-04-2015 дата публикации

Battery with Heterogeneous Flow-Through Porous Electrodes

Номер: US20150099199A1
Принадлежит: Massachusetts Institute of Technology

The invention discloses general apparatus and methods for electrochemical energy conversion and storage via a membraneless laminar flow battery. In a preferred embodiment, the battery includes a flow-through porous anode for receiving a fuel and a porous electrolyte channel for transporting an electrolyte adjacent to the porous anode; a flow-through porous cathode is provided for transporting an oxidant; and a porous dispersion blocker is disposed between the electrolyte channel and the porous cathode, which inhibits convective mixing while allowing molecular diffusion and mean flow. Pore structure properties are selected for tuning convective dispersion, conductivity or other macroscopic properties. Specific materials, reactants, fabrication methods, and operation methods are disclosed to achieve stable charge/discharge cycles and to optimize power density and energy density. 1. Flow battery comprising:an anode for receiving a fuel during discharge;a cathode for receiving an oxidant during discharge;wherein at least one of the anode and cathode is a flow-through porous electrode for receiving liquid fuel or liquid oxidant;an open or flow-through porous electrolyte channel for transporting a liquid electrolyte between the anode and cathode; anda porous dispersion blocker placed between the electrolyte channel and at least one flow-through electrode, which inhibits convective mixing between said electrolyte channel and electrode, while allowing molecular diffusion and mean flow.2. The battery of wherein the porous anode claim 1 , the porous electrolyte channel or the porous cathode have varying pore structure properties selected for tuning convective dispersion claim 1 , diffusion flux claim 1 , conductivity claim 1 , liquid velocity or other macroscopic properties.3. The battery of wherein the varying pore structure properties have a smooth or discontinuous gradient in properties such as pore size distribution claim 2 , porosity claim 2 , tortuosity claim 2 , loop ...

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12-05-2022 дата публикации

Carbo-ionic cultures and extracts and applications thereof

Номер: US20220145240A1
Принадлежит: Biocapital Holdings LLC

Described herein are carbo-ionic cultures and extracts and applications thereof. The carbo-ionic cultures are grown in media containing an organic component and an inorganic component and the proportions and compositions of these components can be tailored to produce carbo-ionic extracts with specific properties such as, for example, the ability to provide power to a light emitting diode (LED) with a specific voltage. The carbo-ionic cultures and extracts have further uses including enhancing the growth of plants, including plants grown from tissue culture, and as supplemental nutrients for cultures of industrially, commercially, and/or scientifically-important microorganisms. Also described herein are microbial electric circuits comprising the carbo-ionic cultures and extracts described herein as well as applications of those circuits.

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16-04-2015 дата публикации

Electrical Energy Accumulation Device Based on a Gas-Electric Battery

Номер: US20150102768A1
Автор: Tereshchenko Amit
Принадлежит:

A device for the accumulation of electrical energy contains a gas-electric battery having a hollow housing, partially filled with an electrolyte solution, and electrodes, positioned inside the hollow housing and made of a conductive adsorbent of the electrolysis gases. The electrodes are divided by a gas-permeable separator. Current-collectors linked to the electrodes are connected to a charge-discharge converter designed to allow for a periodic change in the polarity of the charge current during the charging process. The device makes it possible to provide a long operating life with minimal environmental pollution. 1. A device for accumulation of electrical energy , comprising a hollow housing;', 'an electrolyte solution within the housing;', 'electrodes arranged within the housing, the electrodes comprising a conductive adsorbent for electrolysis gases;', 'a gas-permeable separator dividing the electrodes; and', 'current-collectors connected to the electrodes; and, 'a gas-electric battery, comprisinga charge-discharge converter connected to the current-collectors, wherein the converter is adaptable to a periodic change in a polarity of a charge current during a charging process.2. The device according to claim 1 , wherein the conductive adsorbent is selected from a group consisting of activated carbon claim 1 , activated carbon black claim 1 , activated graphite claim 1 , colloidal carbon claim 1 , pyrocarbon and mixtures thereof.3. The device according to claim 1 , wherein the electrolyte solution is an aqueous sodium chloride solution.4. The device according to claim 1 , wherein a protective valve and a valve for creating overpressure in the housing are arranged on an upper panel of the housing.5. The device according to claim 4 , wherein an adsorbent layer is placid under the upper panel of the housing claim 4 , separated from the electrodes by a separator.6. The device according to claim 1 , wherein nozzles for supplying and releasing the electrolyte solution ...

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06-04-2017 дата публикации

FLOW BATTERY CELLS AND STACKS, AND ASSOCIATED METHODS

Номер: US20170098851A1
Принадлежит:

A flow battery cell is presented. The flow battery cell includes a first electrode configured for charging a discharged catholyte, a second electrode configured for charging and discharging an anolyte, and a third electrode configured for discharging a charged catholyte. The second electrode is disposed between the first electrode and the third electrode. Each of the first electrode and the third electrode is separated from the second electrode by a bipolar membrane. A first bipolar membrane and a second bipolar membrane are disposed, respectively, between the first electrode and the second electrode, and the second electrode and the third electrode. A flow battery stack and a method for operating the flow battery stack are also presented. 1. A flow battery cell , comprising:a first electrode configured for charging a discharged catholyte;a second electrode configured for charging and discharging an anolyte;a third electrode configured for discharging a charged catholyte, wherein the second electrode is disposed between the first electrode and the third electrode;a first bipolar membrane disposed between the first electrode and the second electrode; anda second bipolar membrane disposed between the second electrode and the third electrode.2. The flow battery cell of claim 1 , wherein during discharging the flow battery cell claim 1 , the charged catholyte is present in the flow battery cell such that the charged catholyte comprises one or more salts of halogen oxoacids.3. The flow battery cell of claim 2 , wherein the one or more salts of halogen oxoacids comprises a chlorate salt selected from the group consisting of sodium chlorate claim 2 , potassium chlorate claim 2 , lithium chlorate claim 2 , calcium chlorate claim 2 , magnesium chlorate claim 2 , barium chlorate claim 2 , zinc chlorate claim 2 , copper (II) chlorate claim 2 , and combinations thereof.4. The flow battery cell of claim 1 , wherein during charging the flow battery cell claim 1 , the anolyte is ...

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28-03-2019 дата публикации

AQUEOUS SECONDARY BATTERY

Номер: US20190097231A1
Принадлежит:

The object of the present invention is to provide an electric power storage device using an aqueous electrolytic solution that is safe even if the device is damaged while being used and the electrolytic solution leaks out from the battery housing. Specifically, the object of the present invention is to provide a secondary battery having both excellent safety and excellent cycle characteristics. The present invention is an aqueous secondary battery, wherein at least either of the positive electrode or the negative electrode comprises a compound (I) having a naphthalenediimide structure or a perylenediimide structure as an active material. 1. An aqueous secondary battery , wherein at least either of a positive electrode or a negative electrode comprises a compound (I) having a naphthalenediimide structure or a perylenediimide structure as an active material.3. The aqueous secondary battery according to claim 1 , wherein the negative electrode comprises a compound (I) having a naphthalenediimide structure or a perylenediimide structure as an active material.4. The aqueous secondary battery according to claim 1 , wherein the positive electrode comprises a compound (I) having a naphthalenediimide structure or a perylenediimide structure as an active material.6. The aqueous secondary battery according to claim 1 , which comprises an aqueous electrolytic solution containing at least one type of salt selected from the group consisting of an alkali metal salt and an alkaline earth metal salt.7. The aqueous secondary battery according to claim 6 , wherein the aqueous electrolytic solution contains a sodium salt.8. The aqueous secondary battery according to claim 1 , which comprises a conducting auxiliary claim 1 , a current collector claim 1 , and a binder. The present invention relates to an aqueous secondary battery.In recent years, as a power source for IT devices, such as mobile phones, laptop computers, and electric vehicles, electric power storage devices, such as ...

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12-05-2022 дата публикации

AQUEOUS ELECTROCHEMICAL ENERGY STORAGE DEVICES AND COMPONENTS

Номер: US20220149459A1
Принадлежит:

Battery electrode compositions are provided for use in aqueous electrolytes and may comprise, for example, a current collector, active particles, and a conformal, metal-ion permeable coating. The active particles may be electrically connected to the current collector, and provided to store and release metal ions of an active material during battery operation. The conformal, metal-ion permeable coating may at least partially encase the surface of the connected active particles, whereby the conformal, metal-ion permeable coating impedes (i) direct electrical contact of an aqueous electrolyte with the active particles and (ii) aqueous electrolyte decomposition during battery operation. Such electrode compositions and corresponding aqueous batteries may facilitate the incorporation of advanced material synthesis and electrode fabrication technologies, and enable fabrication of high voltage and high capacity aqueous batteries at a cost lower than that of conventional metal-ion battery technology. 1. A battery electrode composition for use in aqueous electrolytes , comprising:a current collector;active particles electrically connected to the current collector, wherein the active particles are provided to store and release metal ions of an active material during battery operation; anda conformal, metal-ion permeable coating that at least partially encases the surface of the connected active particles, whereby the conformal, metal-ion permeable coating impedes (i) direct electrical contact of an aqueous electrolyte with the active particles and (ii) aqueous electrolyte decomposition during battery operation.2. A method of fabricating an aqueous metal-ion battery electrode composition , comprising:providing active particles to store and release metal ions of an active material during battery operation;electrically connecting the active particles with a current collector; andforming a conformal, metal-ion permeable coating so as to at least partially encase the surface of the ...

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12-05-2022 дата публикации

METAL-AIR CELL WITH PERFORMANCE ENHANCING ADDITIVE

Номер: US20220149460A1
Принадлежит:

Systems and methods drawn to an electrochemical cell comprising a low temperature ionic liquid comprising positive ions and negative ions and a performance enhancing additive added to the low temperature ionic liquid. The additive dissolves in the ionic liquid to form cations, which are coordinated with one or more negative ions forming ion complexes. The electrochemical cell also includes an air electrode configured to absorb and reduce oxygen. The ion complexes improve oxygen reduction thermodynamics and/or kinetics relative to the ionic liquid without the additive. 1. A method comprising:mixing a protic ionic liquid with an aprotic ionic liquid to create an ionically conductive medium comprising negative ions and positive ions, wherein at least one of the positive ions is a proton;exposing the ionically conductive medium to oxygen; andelectrochemically reducing the oxygen,2. The method of claim 1 , wherein the electrochemically reducing the oxygen occurs with improved oxygen reduction thermodynamics claim 1 , kinetics claim 1 , or both claim 1 , relative to electrochemical oxygen reduction in the ionically conductive medium without the protic ionic liquid.3. The method of claim 1 , wherein the oxygen is electrochemically reduced using a catalyst.4. The method of claim 1 , wherein the electrochemically reducing the oxygen occurs in an electrochemical cell.5. The method of claim 1 , wherein the aprotic ionic liquid comprises at least one cation that has at least one strongly bound proton claim 1 ,6. The method of claim 1 , wherein the protic ionic liquid comprises at least one cation comprising at least one reversible proton with a pKa smaller than or equal to 16.7. The method of claim 1 , wherein the presence of the proton enhances reversibility of an air cathode of the metal-air ionic liquid battery.8. The method of claim 1 , wherein at least one of the protic ionic liquid and aprotic ionic liquid is a low temperature ionic liquid.9. The method of claim 1 , ...

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28-03-2019 дата публикации

A reduction-oxidation flow battery

Номер: US20190097252A1
Принадлежит: SIEMENS AG

A reduction-oxidation flow battery wherein the catholyte and/or the anolyte are selected from among respective defined groups of polyoxometalate compounds.

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12-04-2018 дата публикации

Rechargeable Aluminum Ion Battery

Номер: US20180102671A1
Принадлежит:

A rechargeable battery using a solution of an aluminum salt as an electrolyte is disclosed, as well as methods of making the battery and methods of using the battery. 1. A battery comprising:an anode comprising aluminum, an aluminum alloy or an aluminum compound;a cathode;a porous separator comprising an electrically insulating material that prevents direct contact of the anode and the cathode; andan electrolyte comprising an aqueous solution of an aluminum salt, wherein the electrolyte is in electrical contact with the anode and the cathode, and wherein current is carried between the anode and cathode by ions comprising aluminum during charge and discharge of the battery.2. The battery of wherein the aluminum alloy comprises aluminum and at least one element selected from the group consisting of manganese claim 1 , magnesium claim 1 , lithium claim 1 , zirconia claim 1 , iron claim 1 , cobalt claim 1 , tungsten claim 1 , vanadium claim 1 , nickel claim 1 , copper claim 1 , silicon claim 1 , chromium claim 1 , titanium claim 1 , tin and zinc.3. The battery of wherein the anode comprises a treatment that increases the hydrophilic properties of the anode surface that is in contact with the electrolyte.4. The battery of wherein the treatment comprises an alkali metal hydroxide selected from the group consisting of lithium hydroxide claim 3 , sodium hydroxide claim 3 , potassium hydroxide and mixtures thereof.5. The battery of wherein the anode comprises an aluminum compound selected from the group consisting of an aluminum transition metal oxide (AlMO claim 1 , where M is a transition metal selected from the group consisting of iron claim 1 , vanadium claim 1 , titanium claim 1 , molybdenum claim 1 , copper claim 1 , nickel claim 1 , zinc claim 1 , tungsten claim 1 , manganese claim 1 , chromium claim 1 , cobalt and mixtures thereof and x claim 1 , y claim 1 , and z range from 0 to 8 claim 1 , inclusive); an aluminum transition metal sulfide (AlMS claim 1 , where M is ...

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13-04-2017 дата публикации

RECHARGEABLE ALUMINUM ION BATTERY

Номер: US20170104363A1
Принадлежит:

A rechargeable battery using a solution of an aluminum salt as an electrolyte is disclosed, as well as methods of making the battery and methods of using the battery. 1. A battery comprising:an anode comprising aluminum, an aluminum alloy or an aluminum compound;a cathode;a porous separator comprising an electrically insulating material that prevents direct contact of the anode and the cathode; andan electrolyte comprising a solution of an aluminum salt, wherein electrolyte is in electrical contact with the anode and the cathode.2. The battery of wherein the aluminum alloy comprises aluminum and at least one element selected from the group consisting of manganese claim 1 , magnesium claim 1 , lithium claim 1 , zirconia claim 1 , iron claim 1 , cobalt claim 1 , tungsten claim 1 , vanadium claim 1 , nickel claim 1 , copper claim 1 , silicon claim 1 , chromium claim 1 , titanium claim 1 , tin and zinc.3. The battery of wherein the anode is aluminum that has received a treatment that is effective to increase the hydrophilic properties of the anode surface that is in contact with the electrolyte.4. The battery of wherein the treatment comprises contacting the surface of the aluminum with an aqueous solution of an alkali metal hydroxide selected from the group consisting of lithium hydroxide claim 3 , sodium hydroxide claim 3 , potassium hydroxide and mixtures thereof.5. The battery of wherein the aluminum compound is selected from the group consisting of an aluminum transition metal oxide (AlMO claim 1 , where M is a transition metal selected from the group consisting of iron claim 1 , vanadium claim 1 , titanium claim 1 , molybdenum claim 1 , copper claim 1 , nickel claim 1 , zinc claim 1 , tungsten claim 1 , manganese claim 1 , chromium claim 1 , cobalt and mixtures thereof and x claim 1 , y claim 1 , and z range from 0 to 8 claim 1 , inclusive); an aluminum transition metal sulfide claim 1 , (AlMS claim 1 , where M is a transition metal selected from the group ...

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26-03-2020 дата публикации

Zinc ion secondary battery including aqueous electrolyte

Номер: US20200099105A1

wherein A is an aminopolycarboxylate, x is 1 to 2, y is 0 to 3, and M is an alkali metal.

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02-06-2022 дата публикации

Biodegradable electrochemical device

Номер: US20220173433A1

A biodegradable solid aqueous electrolyte composition, an electrochemical device incorporating the electrolyte composition, and methods for the same are provided. The electrolyte composition may include a rubber-like hydrogel including a copolymer and a salt. The copolymer may include at least two polycaprolactone chains coupled with a polymeric center block. The polymeric center block may include polyvinyl alcohol. The hydrogel may be biodegradable. The electrochemical device may include an anode, a cathode, and the electrolyte composition disposed between the anode and the cathode.

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29-04-2021 дата публикации

BIPOLAR ZINC ION BATTERY

Номер: US20210126261A1
Автор: Yu Yuying
Принадлежит:

The invention discloses a bipolar zinc ion battery, which includes at least one unit group, wherein the unit group includes at least one battery unit, and the battery unit includes an anode plastic current collector layer, an isolating film and a cathode plastic current collector layer sequentially laminated and mutually adhered and sealed on a periphery, a cathode active material layer arranged inside a cathode plastic current collector and acted as a cathode, an anode active material layer arranged inside the anode plastic current collector layer and acted as an anode, an electrolyte solution soaked in gaps among the cathode, the anode and the isolating film and containing a zinc compound, and a porous ion channel arranged on the isolating film between the cathode and the anode for zinc ions to move on. The invention has a simple structure, a light weight, and very good safety performance and use performance. 1. A bipolar zinc ion battery , comprising at least one unit group , wherein the unit group comprises at least one battery unit , and the battery unit comprises an anode plastic current collector layer , an isolating film and a cathode plastic current collector layer sequentially laminated and mutually adhered and sealed on a periphery , a cathode active material layer arranged inside a cathode plastic current collector and acted as a cathode , an anode active material layer arranged inside the anode plastic current collector layer and acted as an anode , an electrolyte solution soaked in gaps among the cathode , the anode and the isolating film and containing a zinc compound , and a porous ion channel arranged on the isolating film between the cathode and the anode for zinc ions to move on.2. The bipolar zinc ion battery according to claim 1 , wherein the inside of the anode plastic current collector layer is coated or electroplated with an anode material layer or a zinc foil layer containing zinc powder or zinc alloy and acted as an anode.3. The bipolar ...

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11-04-2019 дата публикации

SODIUM ION-BASED INTERNAL HYBRID ELECTROCHEMICAL ENERGY STORAGE CELL

Номер: US20190109358A1
Принадлежит: Nanotek Instruments, Inc.

Provided is an internal hybrid electrochemical cell comprising: (a) a pseudocapacitance-like cathode comprising a cathode active material that contains both graphene sheets and a porphyrin compound, including porphyrin or a porphyrin complex, wherein the porphyrin compound is bonded to or supported by primary surfaces of graphene sheets to form a redox pair for pseudocapacitance; (b) a battery-like anode comprising an anode active material selected from sodium metal, a sodium metal alloy, a sodium intercalation compound, a sodium-containing compound, or a combination thereof, and (c) a sodium-containing electrolyte in physical contact with the anode and the cathode; wherein the cathode active material has a specific surface area no less than 100 m/g which is in direct physical contact with the electrolyte. 1. An internal hybrid electrochemical cell comprising:(A) a pseudocapacitance-like cathode comprising a cathode active material that contains both graphene sheets and a porphyrin compound, wherein said porphyrin compound is bonded to or supported by primary surfaces of said graphene sheets to form a redox pair for pseudocapacitance;(B) a battery-like anode comprising an anode active material selected from sodium metal, a sodium metal alloy, a sodium intercalation compound, a sodium-containing compound, or a combination thereof; and(C) a sodium-containing electrolyte in physical contact with the anode and the cathode;{'sup': '2', 'wherein said cathode active material has a specific surface area no less than 100 m/g which is in direct physical contact with said electrolyte.'}2. An internal hybrid electrochemical cell comprising:a) a pseudocapacitance-like cathode comprising a cathode active material that contains a porphyrin compound and a carbon material, wherein said porphyrin compound is bonded to or supported by a surface of said carbon material to form a redox pair for pseudocapacitance and said carbon material is selected from activated carbon, activated ...

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09-06-2022 дата публикации

NITRILE-SUBSTITUTED SILANES AND ELECTROLYTE COMPOSITIONS AND ELECTROCHEMICAL DEVICES CONTAINING THEM

Номер: US20220181674A1
Принадлежит:

Described herein are liquid, organosilicon compounds that including a substituent that is a cyano (—CN), cyanate (—OCN), isocyanate (—NCO), thiocyanate (—SCN) or isothiocyanate (—NCS). The organosilicon compounds are useful in electrolyte compositions and can be used in any electrochemical device where electrolytes are conventionally used. 2. The electrolyte composition of claim 1 , wherein R claim 1 , R claim 1 , and Rare selected from the group consisting of Cto Calkyl claim 1 , chloro claim 1 , and fluoro.3. The electrolyte composition of claim 1 , wherein at least one of R claim 1 , R claim 1 , and Ris fluorine.4. The electrolyte composition of claim 1 , wherein at least two of R claim 1 , R claim 1 , and Rare halogen.5. The electrolyte composition of claim 1 , wherein at least two of R claim 1 , R claim 1 , and Rare fluorine.6. The electrolyte composition of claim 1 , wherein Ris cyano.7. The electrolyte composition of claim 6 , wherein at least one of R claim 6 , R claim 6 , and Ris fluorine.8. The electrolyte composition of claim 1 , wherein Ris cyanate.9. The electrolyte composition of claim 8 , wherein at least one of R claim 8 , R claim 8 , and Ris fluorine.10. The electrolyte composition of claim 1 , wherein Ris isocyanate.11. The electrolyte composition of claim 10 , wherein at least one of R claim 10 , R claim 10 , and Ris fluorine.12. The electrolyte composition of claim 1 , wherein Ris thiocyanate.13. The electrolyte composition of claim 12 , wherein at least one of RU claim 12 , R claim 12 , and Ris fluorine.14. The electrolyte composition of claim 1 , wherein Ris isothiocyanate;15. The electrolyte composition of claim 14 , wherein at least one of R claim 14 , R claim 14 , and Ris fluorine.1631. An electrochemical device comprising an electrolyte composition as recited in claim . This is a continuation of co-pending application Ser. No. 15/813,243, filed Nov. 15, 2017, which is a continuation of application Ser. No. 15/219,952, filed Jul. 26, 2016 ( ...

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