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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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Применить Всего найдено 15. Отображено 15.
02-02-2012 дата публикации

Proton conducting materials

Номер: US20120029098A1
Автор: John E. Abulu, Mark S. Schaberg, Neeraj Sharma, Steven J. Hamrock
Принадлежит: 3M Innovative Properties Co

Materials are provided that may be useful as ionomers or polymer ionomers, including compounds including bis sulfonyl imide groups which may be highly fluorinated and may be polymers.

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Номер записи: 1
01-11-2012 дата публикации

PROTON CONDUCTING MATERIALS

Номер: US20120276471A1
Автор: Abulu John E., Hamrock Steven J., Schaberg Mark S., Sharma Neeraj
Принадлежит:

Materials are provided that may be useful as ionomers or polymer ionomers, including compounds including bis sulfonyl imide groups which may be highly fluorinated and may be polymers. 2. A compound according to the formula:{'br': None, 'sup': 1', '2, 'sub': n', '2', '2, 'R—Ar—SONH—SO—R'}{'sup': '1', 'wherein each Ris independently chosen from the group consisting of hydrogen, alkyl, alkylene or aryl groups which may contain heteroatoms and which may be substituted, polymers, metals, metal oxides, metal phosphates, metal phosphonates and inorganic particles,'}wherein n is 1, 2 or 3,wherein Ar is an aromatic group which may include heterocycles and polycycles and may be substituted, and{'sup': '2', 'wherein Ris chosen from the group consisting of alkyl, alkylene or aryl groups which may contain heteroatoms and which may be substituted, and polymers.'}3. A polymer electrolyte according to claim 2 , wherein A is —SOH.4. A polymer electrolyte according to claim 2 , wherein n is 1.5. A polymer electrolyte according to claim 2 , wherein n is 2.6. A polymer electrolyte according to claim 2 , wherein Ar is Ph.7. A polymer electrolyte according to claim 2 , wherein Ar is fluorinated.8. A polymer electrolyte according to claim 2 , wherein Ar is perfluorinated.9. A polymer electrolyte according to claim 2 , comprising a perfluorinated backbone.10. A polymer electrolyte according to claim 2 , comprising second pendant groups which comprise groups according to the formula: —SOH.11. A polymer electrolyte according to claim 10 , wherein the ratio of first to second pendant groups is p claim 10 , where p is between 0.01 and 100.12. A polymer electrolyte membrane comprising a polymer electrolyte which is the polymer electrolyte according to claim 11 , wherein A is —POH claim 11 , after crosslinking by attachment of phosphonate groups of said first pendent groups to inorganic particles.13. The polymer electrolyte membrane according to claim 12 , wherein said inorganic particles ...

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Номер записи: 2
17-10-2013 дата публикации

Proton conducting materials

Номер: US20130273457A1
Автор: John E. Abulu, Mark S. Schaberg, Neeraj Sharma, Steven J. Hamrock
Принадлежит: 3M Innovative Properties Co

Materials are provided that may be useful as ionomers or polymer ionomers, including compounds including bis sulfonyl imide groups which may be highly fluorinated and may be polymers.

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Номер записи: 3
28-03-2019 дата публикации

ELECTRODE ASSEMBLIES, MEMBRANE-ELECTRODE ASSEMBLIES AND ELECTROCHEMICAL CELLS AND LIQUID FLOW BATTERIES THEREFROM

Номер: US20190097241A1
Автор: Abulu John E., Acharya Bharat R., Bartling Brandon A., Eaton Bradley W., Griffith Blake R., Haug Andrew T., Haugen Gregory M., Iverson Eric J., Johnson Daniel E., Johnston Raymond P., Le Jimmy M., Miller David J., Noda Kazuki, Pierpont Daniel M., Romano Michael D., Suzuki Shunsuke, WEBER BRIAN T., Yordem Onur S.
Принадлежит:

The present disclosure relates to electrode assemblies, membrane-electrode assemblies and electrochemical cells and liquid flow batteries produced therefrom. The electrode and membrane-electrode assemblies include (i) a porous electrode having a first major surface with a first surface area, Ae, an opposed second major surface and a plurality of voids; (ii) a discontinuous transport protection layer, comprising polymer, disposed on the first major surface and having a cross-sectional area, Ap, substantially parallel to the first major surface; and (iii) an interfacial region wherein the interfacial region includes a portion of the polymer embedded in at least a portion of the plurality of voids, a portion of the porous electrode embedded in a portion of the polymer or a combination thereof; and wherein 0.02Ae≤Ap≤0.85Ae and the porous electrode and discontinuous transport protection layer form an integral structure. The disclosure further provides methods of making the electrode assemblies and membrane-electrode assemblies. 1. An electrode assembly comprising:a porous electrode having a first major surface with a first surface area, Ae, an opposed second major surface and a plurality of voids;a discontinuous transport protection layer disposed on the first major surface and having a cross-sectional area, Ap, substantially parallel to the first major surface, wherein the discontinuous transport protection layer comprises a hydrophilic polymer, and wherein the discontinuous transport protection layer is non-electrically conductive; andan interfacial region wherein the interfacial region includes a portion of the polymer embedded in at least a portion of the plurality of voids, a portion of the porous electrode embedded in a portion of the polymer, or a combination thereof;wherein 0.02Ae≤Ap≤0.85Ae,wherein the porous electrode and discontinuous transport protection layer form an integral structure; andwherein the discontinuous transport protection layer has a thickness ...

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Номер записи: 4
16-04-2020 дата публикации

ELECTRODE CATALYST-CONTAINING DISPERSION COMPOSITIONS AND ARTICLES THEREFROM

Номер: US20200119365A1
Автор: Abulu John E., Haug Andrew T., Hester Amy E., Steinbach Andrew J.L.
Принадлежит:

Described herein is a plurality of acicular particles dispersed with ionomer binder, solvent, and a plurality of carbon particles in a composition. The acicular particles comprise a microstructured core with a layer of catalytic material on at least one portion of the surface of the microstructured core. The catalytic material comprises (i) platinum and/or (ii) at least one of iridium and ruthenium and the microstructured core comprises at least one of a polynuclear aromatic hydrocarbon and heterocyclic compounds. 2. The composition of claim 1 , wherein the layer of catalytic material comprises at least one of (i) an alloy or intimate mixture of platinum claim 1 , iridium claim 1 , and X; (ii) an alloy or intimate mixture of platinum claim 1 , ruthenium claim 1 , and X; and (iii) an alloy or intimate mixture of platinum claim 1 , iridium claim 1 , ruthenium claim 1 , and X claim 1 , where X is at least one of nickel claim 1 , cobalt claim 1 , hafnium claim 1 , titanium claim 1 , zirconium and manganese.3. The composition of claim 1 , wherein the layer of catalytic material is a composite layer comprising a first layer which contains platinum and a second layer which contains at least one of iridium and ruthenium.4. The composition of claim 3 , further comprising a third layer disposed between the first and second layers claim 3 , wherein the third layer comprises a refractory metal.5. The composition of claim 4 , wherein the refractory metal comprises at least one of a refractory metal claim 4 , a refractory metal oxide claim 4 , a refractory metal boride claim 4 , a refractory metal carbide claim 4 , a refractory metal nitride claim 4 , and a refractory metal silicide.7. The composition of claim 1 , wherein the layer of catalytic material comprises one or more thin films of catalytic material.8. The composition of claim 1 , wherein the layer of catalytic material comprises a nanostructured catalyst layer.9. The composition of claim 1 , wherein the weight ratio of ...

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Номер записи: 5
13-06-2019 дата публикации

MEMBRANE-ELECTRODE ASSEMBLIES AND ELECTROCHEMICAL CELLS AND LIQUID FLOW BATTERIES THEREFROM

Номер: US20190181461A1
Автор: Abulu John E., Acharya Bharat R., Bartling Brandon A., Haug Andrew T., Haugen Gregory M., Iverson Eric J., Miller David J., Noda Kazuki, Pierpont Daniel M., Suzuki Shunsuke, WEBER BRIAN T., Yordem Onur Sinan
Принадлежит:

The present disclosure relates membrane-electrode assemblies and electrochemical cells and liquid flow batteries produced therefrom. The membrane-electrode assemblies include a first porous electrode; an ion permeable membrane, having a first major surface and an opposed second major surface; a first discontinuous transport protection layer disposed between the first porous electrode and the first major surface of the ion permeable membrane; and a first adhesive layer in contact with the first porous electrode and at least one of the first discontinuous transport protection layer and the ion permeable membrane. The first adhesive layer is disposed along the perimeter of the membrane-electrode assembly. The first porous electrode and first discontinuous transport protection layer, without the presence of the first adhesive layer, are not an integral structure and the membrane-electrode assembly is an integral structure 1. A membrane-electrode assembly comprising:a first porous electrode;an ion permeable membrane, having a first major surface and an opposed second major surface;a first discontinuous transport protection layer disposed between the first porous electrode and the first major surface of the ion permeable membrane, wherein the first discontinuous transport protection layer comprises at least one of a mesh structure, a woven structure, and a nonwoven structure; anda first adhesive layer in contact with the first porous electrode and at least one of the first discontinuous transport protection layer and the ion permeable membrane, wherein the first adhesive layer is disposed along the perimeter of the membrane-electrode assembly, wherein the first porous electrode and first discontinuous transport protection layer, without the presence of the first adhesive layer, are not an integral structure and wherein the membrane-electrode assembly is an integral structure.2. The membrane-electrode assembly of claim 1 , wherein the first adhesive layer is at least ...

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Номер записи: 6
26-08-2021 дата публикации

HYDROGEN FUELING SYSTEM

Номер: US20210260989A1
Автор: Abulu John E., Bedoya Cedric, Haug Andrew T., Johnston Raymond P., Lewinski Krzysztof A., Luopa Sean M., Molnar Attila, Park Jiyoung, Steinbach Andrew J.L., Sun Fuxia
Принадлежит:

A hydrogen fueling system for generating hydrogen on demand is described. The system includes an electrolyzer configured to generate at least a predetermined quantity of hydrogen in a predetermined time when operated at no less than a predetermined current density and provided with at least a predetermined electrical energy over the predetermined time, where the predetermined quantity of hydrogen is at least 1 kg of hydrogen, the predetermined time is no more than 30 minutes, and the predetermined current density is at least 5 A/cm. The system may further include an electrical energy storage system electrically connected to the electrolyzer and capable of supplying at least 20% of the predetermined electrical energy over the predetermined time. The electrolyzer may include an anode including a plurality of acicular particles dispersed in an ionomer binder, where the acicular particles include iridium. 1. A hydrogen fueling system for generating hydrogen on demand , the hydrogen fueling system comprising:{'sup': '2', 'an electrolyzer configured to generate at least a predetermined quantity of hydrogen in a predetermined time when operated at no less than a predetermined current density and provided with at least a predetermined electrical energy over the predetermined time, the predetermined quantity of hydrogen being at least 1 kg of hydrogen, the predetermined time being no more than 30 minutes, the predetermined current density being at least 5 A/cm;'}a vehicle tank filling system connected to the electrolyzer and configured to at least partially fill a tank of a vehicle with hydrogen generated by the electrolyzer; andan electrical energy storage system electrically connected to the electrolyzer and capable of supplying at least 20% of the predetermined electrical energy over the predetermined time.2. The hydrogen fueling system of being supplied with an external power connection configured to recharge the electrical energy storage system.3. The hydrogen fueling ...

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Номер записи: 7
09-12-2021 дата публикации

Fluoropolymer Ionomers with Reduced Catalyst Poisoning and Articles Therefrom

Номер: US20210384523A1
Автор: Abulu John E., Haug Andrew T., Lindell Matthew J., Matthews Tyler S., Steinbach Andrew J.L., Sun Fuxia, Yandrasits Michael A.
Принадлежит:

Described herein is a coating composition comprising: (a) a metal catalyst, wherein the metal catalyst comprises at least one of platinum, ruthenium, iridium, and alloys and combinations thereof; (b) an at least highly fluorinated ionomer comprising a polymer backbone and a plurality of first side chains pendant therefrom, wherein the first side chain comprises at least one protogenic group, wherein the protogenic group is selected from a sulfonic acid, a bis(sulfonyl)imide, a sulfonamide, a sulfonyl methide, and salts and combinations thereof, and wherein the polymer backbone comprises an average of at least 14 carbon atoms between adjacent first side chains along the polymer backbone; and (c) a solvent. Such coating compositions may be used to make electrodes for electrochemical cells and have been shown to have reduced poisoning of the catalyst. 1. (canceled)2. A coating composition comprising:(a) a metal catalyst, wherein the metal catalyst comprises at least one of platinum, ruthenium, iridium, and alloys and combinations thereof;(b) an at least highly fluorinated ionomer comprising a polymer backbone and a plurality of first side chains pendant therefrom, wherein the first side chain comprises at least two protogenic groups, wherein each protogenic group is selected from a sulfonic acid, a bis(sulfonyl)imide, a sulfonamide, a sulfonyl methide, and salts thereof, and wherein the polymer backbone comprises an average of at least 14 carbon atoms between adjacent first side chains along the polymer backbone; and(c) a solvent.3. (canceled)4. (canceled)5. (canceled)6. (canceled)7. The composition according to claim 2 , wherein the first side chain is —O—(CF)—O—CF—[CFSOY]wherein m is 2 claim 2 , 3 claim 2 , 4 claim 2 , 5 claim 2 , or 6; and Y is H or a suitable counterion.8. The composition according to claim 2 , wherein the at least highly fluorinated ionomer has an equivalent weight of less than 928 g/mol.9. The composition according to claim 2 , wherein the at ...

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Номер записи: 8
10-12-2020 дата публикации

DISPERSED CATALYST-CONTAINING ANODE COMPOSITIONS FOR ELECTROLYZERS

Номер: US20200385879A1
Автор: Abulu John E., Haug Andrew T., Lewinski Krzysztof A., Steinbach Andrew J.L., Sun Fuxia
Принадлежит:

Described herein is a plurality of acicular particles dispersed with ionomer binder for use in an electrolyzer. The acicular particles comprise a microstructured core with a layer of catalytic material on at least one portion of the surface of the microstructured core. The catalytic material comprises iridium and the microstructured core comprises at least one of a polynuclear aromatic hydrocarbon and heterocyclic compounds. The acicular particles are substantially free of platinum. 1. An electrode composition for an electrolyzer , the electrode composition comprising:(a) an ionomer binder; and(b) less than 54 solids volume % of a plurality of acicular particles, wherein the plurality of acicular particles is dispersed throughout the electrode composition, and wherein the acicular particles comprise a microstructured core with a layer of catalytic material on at least one portion of the surface of the microstructured core, wherein the microstructured core comprises at least one of a polynuclear aromatic hydrocarbon, heterocyclic compounds, and combinations thereof, and the catalytic material comprises iridium and wherein the acicular particles are substantially free of platinum.2. The electrode composition of claim 1 , wherein the catalytic material further comprises at least one of ruthenium or ruthenium oxide.3. The electrode composition of claim 1 , wherein the iridium comprises iridium oxide.4. The electrode composition of claim 1 , wherein the layer of catalytic material comprises a nanostructured catalyst layer.5. The electrode composition of claim 1 , wherein the polynuclear aromatic hydrocarbon comprises perylene red.6. The electrode composition of claim 1 , wherein the acicular particles have an aspect ratio of at least 3.7. The electrode composition of claim 1 , wherein the ionomer binder comprises at least one of perfluorosulfonic acid claim 1 , perfluorosulfonimide-acid claim 1 , sulfonated polyimides claim 1 , perfluoroimides claim 1 , sulfonated ...

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Номер записи: 9
13-10-2015 дата публикации

Proton conducting materials

Номер: US9160021B2
Автор: John E. Abulu, Mark S. Schaberg, Neeraj Sharma, Steven J. Hamrock
Принадлежит: 3M Innovative Properties Co

Materials are provided that may be useful as ionomers or polymer ionomers, including compounds including bis sulfonyl imide groups which may be highly fluorinated and may be polymers.

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Номер записи: 10
17-07-2013 дата публикации

Proton conducting materials

Номер: EP2276728B1
Автор: John E. Abulu, Mark S. Schaberg, Neeraj Sharma, Steven J. Hamrock
Принадлежит: 3M Innovative Properties Co

Materials are provided that may be useful as ionomers or polymer ionomers, including compounds including bis sulfonyl imide groups which may be highly fluorinated and may be polymers.

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Номер записи: 11
21-09-2017 дата публикации

Electrode assemblies, membrane-electrode assemblies and electrochemical cells and liquid flow batteries therefrom

Номер: WO2017160972A1
Автор: Andrew T. Haug, Bharat R. Acharya, Blake R. GRIFFTH, Bradley W. Eaton, Brandon A. Bartling, Brian T. Weber, Daniel E. Johnson, Daniel M. Pierpont, David J. Miller, Eric J. Iverson, Gregory M. Haugen, Jimmy M. Le, John E. Abulu, Kazuki Noda, Michael D. Romano, Onur S. Yordem, Raymond P. Johnston, Shunsuke Suzuki
Принадлежит: 3M INNOVATIVE PROPERTIES COMPANY

The present disclosure relates to electrode assemblies, membrane-electrode assemblies and electrochemical cells and liquid flow batteries produced therefrom. The electrode and membrane-electrode assemblies include (i) a porous electrode having a first major surface with a first surface area, Ae, an opposed second major surface and a plurality of voids; (ii) a discontinuous transport protection layer, comprising polymer, disposed on the first major surface and having a cross-sectional area, Ap, substantially parallel to the first major surface; and (iii) an interfacial region wherein the interfacial region includes a portion of the polymer embedded in at least a portion of the plurality of voids, a portion of the porous electrode embedded in a portion of the polymer or a combination thereof; and wherein 0.02Ae ≤ Ap ≤ 0.85Ae and the porous electrode and discontinuous transport protection layer form an integral structure. The disclosure further provides methods of making the electrode assemblies and membrane-electrode assemblies.

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Номер записи: 12
26-01-2011 дата публикации

Proton conducting materials

Номер: EP2276728A2
Автор: John E. Abulu, Mark S. Schaberg, Neeraj Sharma, Steven J. Hamrock
Принадлежит: 3M Innovative Properties Co

Materials are provided that may be useful as ionomers or polymer ionomers, including compounds including bis sulfonyl imide groups which may be highly fluorinated and may be polymers.

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Номер записи: 13
15-04-2020 дата публикации

Electrode catalyst-containing dispersion compositions and articles therefrom

Номер: EP3635806A1
Автор: Amy E. Hester, Andrew J.L. Steinbach, Andrew T. Haug, John E. Abulu
Принадлежит: 3M Innovative Properties Co

Described herein is a plurality of acicular particles dispersed with ionomer binder, solvent, and a plurality of carbon particles in a composition. The acicular particles comprise a microstructured core with a layer of catalytic material on at least one portion of the surface of the microstructured core. The catalytic material comprises (i) platinum and/or (ii) at least one of iridium and ruthenium and the microstructured core comprises at least one of a polynuclear aromatic hydrocarbon and heterocyclic compounds.

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Номер записи: 14
04-08-2021 дата публикации

Hydrogen fueling system

Номер: EP3856956A1
Автор: Andrew T. Haug, Attila Molnar, Cedric Bedoya, Fuxia Sun, John E. Abulu, Krzysztof A. Lewinski, Sean M. LUOPA
Принадлежит: 3M Innovative Properties Co

A hydrogen fueling system for generating hydrogen on demand is described. The system includes an electrolyzer configured to generate at least a predetermined quantity of hydrogen in a predetermined time when operated at no less than a predetermined current density and provided with at least a predetermined electrical energy over the predetermined time, where the predetermined quantity of hydrogen is at least 1 kg of hydrogen, the predetermined time is no more than 30 minutes, and the predetermined current density is at least 5 A/cm 2 . The system may further include an electrical energy storage system electrically connected to the electrolyzer and capable of supplying at least 20% of the predetermined electrical energy over the predetermined time. The electrolyzer may include an anode including a plurality of acicular particles dispersed in an ionomer binder, where the acicular particles include iridium.

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Номер записи: 15