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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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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 45. Отображено 45.
16-05-2016 дата публикации

METHOD FOR PRODUCING NEGATIVE ELECTRODE ACTIVE MATERIAL FOR SODIUM SECONDARY BATTERIES AND ACTIVE MATERIAL PRODUCED THEREBY

Номер: KR1020160054154A
Принадлежит:

Disclosed is a method for producing a negative electrode material for sodium secondary batteries with improved charging and discharging capacity and cycle properties. More specifically, provided is a method for producing a negative electrode active material for sodium secondary batteries, which includes the following steps: providing a starting raw material including a titanium source, a phosphorus source, and an oxygen source; and synthesizing, from the starting raw material, a composite material including titanium oxide and phosphorus oxide. According to the present invention, it is possible to produce the negative electrode active material having increased capacity and cycle properties, with a simple production method. COPYRIGHT KIPO 2016 (110) Ti, P, O source (120) High-energy milling (130) Heat treatment (140) Active material(TiO_2 + Phosphorus acid) ...

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28-05-2018 дата публикации

MANUFACTURING METHOD OF NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND NEGATIVE ELECTRODE ACTIVE MATERIAL MANUFACTURED BY METHOD

Номер: KR1020180056246A
Принадлежит:

The present invention relates to a manufacturing method of a negative electrode active material for a lithium secondary battery and a negative electrode active material manufactured by the method, and more specifically, to a manufacturing method of a negative electrode active material for a lithium secondary battery which has improved charge/discharge capacity and cycle characteristics by providing a negative electrode active material containing Si-Mo-P, and a negative electrode active material manufactured by the method. COPYRIGHT KIPO 2018 ...

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28-03-2018 дата публикации

SEPARATOR FOR SODIUM ION SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF

Номер: KR1020180031459A
Принадлежит:

The present invention relates to a separator for a sodium ion secondary battery, and a manufacturing method thereof. More specifically, the present invention relates to a separator for a sodium ion secondary battery and a manufacturing method thereof, which provide the separator coated with a coating agent in which a PVDF-based copolymer resin and a halogenated sodium salt are mixed, thereby improving an impregnation property with an electrolyte, improving an initial capacity, and charging/discharging efficiency of a battery. The separator for a sodium ion secondary battery comprises: a polyolefin-based base material; and a coating layer formed on one surface of both surfaces of the base material, and coated with the coating agent in which the PVDF-based copolymer resin and the halogenated sodium salt are mixed. COPYRIGHT KIPO 2018 ...

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11-08-2017 дата публикации

고체 전해질 및 습윤된 이온성 액체를 구비하는 이차전지

Номер: KR0101766650B1
Принадлежит: 한국전기연구원

... 전고체 전해질의 계면 접촉 특성 및 이온 전도성이 향상된 이차전지가 제공된다. 본 발명은 양극, 음극 및 상기 양극 및 음극 사이에 개재되는 전해질을 포함하는 이차 전지에 있어서, 상기 전해질은 고체 전해질과 상기 고체 전해질 몸체에 습윤된 이온성 액체를 포함하는 것을 특징으로 하는 이차전지를 제공한다. 본 발명에 따르면, 고체 전해질과 상기 고체 전해질에 습윤된 이온성 액체로 구성되는 전해질은 접촉 계면에서 높은 이온 전도도를 제공함으로써 전고체 이차전지가 갖는 계면 특성의 문제를 해결할 수 있게 된다.

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02-02-2016 дата публикации

PRODUCING METHOD OF CRYSTALLINE IRON OXIDE FOR NEGATIVE ELECTRODE IN BATTERY AND LITHIUM ION BATTERY COMPRISING SAME

Номер: KR101587047B1

The present invention relates to a producing method of crystalline iron oxide for a negative electrode in a battery and a lithium ion battery comprising the same, wherein the producing method comprises the steps of: forming an amorphous iron oxide layer by oxidizing the surface of iron (Fe); and forming a crystalline iron oxide layer by heating the amorphous iron oxide layer at 100 to 1000°C. Accordingly, the lithium ion battery has excellent performance through the crystalline iron oxide layer having excellent capacity and excellent cycle properties in comparison with the amorphous iron oxide layer. COPYRIGHT KIPO 2016 (AA) Start (BB) End (S1) Iron (Fe) preparation (S2) Iron surface ultrasonic wave treatment (S3) Iron positive electrode oxidation (S4) Amorphous oxidation layer washing and drying (S5) Crystalline oxidation layer forming ...

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11-02-2016 дата публикации

SECONDARY BATTERY COMPRISING SOLID ELECTROLYTE AND WETTED IONIC LIQUID

Номер: KR1020160014137A
Принадлежит:

Provided is a secondary battery having improved interface contact characteristics and ion conductivity of an all-solid electrolyte. The provided secondary battery comprises: a positive electrode; a negative electrode; and an electrolyte interposed between the positive electrode and the negative electrode, wherein the electrolyte comprises a solid electrolyte and an ionic liquid wetted to a body of the solid electrolyte. According to the present invention, an electrolyte consisting of the solid electrolyte and the ionic liquid wetted to the solid electrolyte provides high ionic conductivity at a contact interface, thereby solving a problem of interface characteristics which occurs in an all-solid secondary battery. COPYRIGHT KIPO 2016 ...

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08-06-2017 дата публикации

ELECTROLYTE FOR SODIUM SECONDARY BATTERY AND SODIUM SECONDARY BATTERY COMPRISING SAME

Номер: KR1020170062657A
Принадлежит:

Disclosed is a sodium secondary battery having good electrochemical characteristics. The present invention relates to a sodium secondary battery having a positive electrode, a negative electrode, an electrolyte, and a separator separating the positive and negative electrodes. The present invention provides the electrolyte which contains sodium salt, a cyclic carbonate-based solvent, a solvent comprising an ester-based solvent having a low viscosity and a low melting point, and an additive for forming a protective film on the negative electrode. According to the present invention, it is possible to provide a sodium secondary battery having an improved cell performance at a low temperature with an electrolyte having a low viscosity and high ion conductivity. COPYRIGHT KIPO 2017 ...

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01-11-2016 дата публикации

DEVICE FOR PROVIDING EDUCATIONAL GAMES

Номер: KR1020160125791A
Принадлежит:

A device for providing educational games comprises: a memory in which a plurality of commands are stored; and a processor connected to the memory and reacting to the commands. The commands comprises: a content conversion command for converting the educational content into coded data applicable to the game content, wherein the educational content includes problems, correct answers, wrong answers, difficulty, and scores and is provided by the first terminal connected through the wired / wireless communication network; a content matching command combining the coded data with the game contents to create a game; a game score calculation command collecting problem solving result of the user of the second terminal with respect to the problem set provided as a game by the second terminal connected through the wired / wireless communication network and calculating the game score of the user of the second terminal based on the problem solving result and the score; and a subject score calculation ...

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26-03-2020 дата публикации

METHOD FOR MANUFACTURING CATHODE MATERIAL FOR SECONDARY BATTERY ELECTRODE

Номер: WO2020059927A1
Принадлежит:

The present invention provides a method for manufacturing a cathode material for a secondary battery and, more specifically, provides a method for manufacturing a cathode material for a secondary battery, the method comprising a step of binding graphene oxide onto the surface of a Prussian white structure and then reducing the graphene oxide. A secondary battery manufactured by comprising an electrode using the cathode material can have excellent initial capacity and lifetime characteristics.

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13-05-2015 дата публикации

3D PRINTER SYSTEM FOR MANUFACTURING ELECTRODE FOR SECONDARY BATTERY

Номер: KR1020150051648A
Принадлежит:

The present invention relates to a 3D printer system for manufacturing an electrode for a secondary battery. More specifically, the present invention relates to a 3D printer system for manufacturing an electrode for a secondary battery, which can easily manufacture an electrode having improved charge-discharge characteristics, when manufacturing the electrode for a secondary battery such as a sodium (Na) positive electrode or a silicon (Si) negative electrode. The 3D printer system for manufacturing an electrode for the secondary battery of the present invention comprises: a member supply part which receives a mixed member in which an active material, a conductive material, and a binder are mixed for manufacturing the electrode, and discharges the mixed member to an upper portion; a current collector arrangement part which is connected to one side of the member supply part, and in which a current collector for manufacturing the electrode is arranged in an upper portion beforehand; a transfer ...

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09-02-2017 дата публикации

PREPARATION METHOD OF COMPLEX ANODE MATERIAL FOR SODIUM SECONDARY BATTERY

Номер: KR1020170015797A
Принадлежит:

The present invention relates to a preparation method of a complex anode material for a sodium secondary battery having excellent reversible characteristics. The preparation method of a complex anode material for a sodium secondary battery comprises the following steps of: providing a starting material including phosphorus sulfide and stibium; and synthesizing amorphous antimony sulfide (Sb_2S_3) and phosphorous by milling the starting material. A reaction product obtained from the starting material has highly reversible characteristics, and is uniformly dispersed. Also, a complex anode material is synthesized by a simple method, and uniform dispersion of a complex active material on a conductive substrate is made possible. COPYRIGHT KIPO 2017 (120) High-energy milling (130) Sb_2S_3+P+C complex anode material ...

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03-06-2016 дата публикации

SUBMARINE PROPULSION SYSTEM AND METHOD

Номер: KR0101627416B1
Принадлежит: 대우조선해양 주식회사

... 함내 전원 상실 또는 추진모터 고장 등과 같은 비상 상황 발생 시에 잠수함 내의 압축공기를 이용한 에어터빈을 통해 프로펠러를 구동시킬 수 있는 잠수함의 추진 시스템 및 방법에 관하여 개시한다. 본 발명의 일 측면에 따르면, 함내의 전원을 공급받아 추진 축을 회전시켜 프로펠러를 구동시키는 추진모터; 및 함내의 압축공기를 공급하여 추진 축을 회전시켜 프로펠러를 구동시키는 압축공기 구동부를 포함하는 잠수함의 추진 시스템을 제공한다.

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07-04-2016 дата публикации

Method for producing a porous electrode

Номер: KR0101609127B1
Принадлежит: 한국전기연구원

... 리튬 이차전지의 다공성 전극 제조 방법에 있어서, 실리콘을 포함하는 전극 활물질, 도전재 및 바인더(binder)를 소정 비율로 혼합하여 슬러리를 제조하는 단계; 상기 슬러리에 소정 온도에서 제거될 수 있는 성질을 가지는 소정 형상의 고분자 입자를 첨가하는 단계; 상기 고분자 입자가 첨가된 슬러리를 집전체 상에 코팅하는 단계; 및 상기 집전체를 열 처리하는 단계를 포함하는 것을 특징으로 하는 본 발명의 일 실시예에 따른 다공성 전극 제조 방법이 개시된다. 본 발명의 일 실시예에 따른 다공성 전극 제조 방법을 통해 내부적으로 다수의 기공이 형성된 다공성의 실리콘 전극을 제조할 수 있어 리튬 이차전지의 충방전 동안 실리콘을 포함하는 활물질의 팽창으로 인해 이차전지의 저장능력/저장용량이 급속하게 감소되는 것을 방지한 사이클 특성이 우수한 리튬 이차전지를 제조할 수 있다.

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11-05-2015 дата публикации

METHOD FOR MANUFACTURING COIN TYPE LITHIUM ION BATTERY

Номер: KR1020150050816A
Принадлежит:

The present invention relates to a coin type lithium ion battery comprising: a negative electrode collector having one side on which a plurality of negative electrode patterns are formed; a positive electrode collector having one side on which a plurality of positive electrode patterns are formed; and a separation membrane disposed between the positive electrode collector and the negative electrode collector. Each of the positive electrode patterns is disposed to face each of the negative electrode patterns, as the positive electrode collector and the negative electrode collector are folded respectively. COPYRIGHT KIPO 2015 (105) Anode collector (110) Anode electrode pattern (115) Separation membrane (120) Cathode collector (125) Cathode electrode pattern (130,135) Uncoated region (AA) Section pattern coating ...

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23-02-2016 дата публикации

PROPULSION SYSTEM AND METHOD FOR SUBMARINE

Номер: KR1020160020303A
Принадлежит:

Disclosed are a propulsion system and a method for a submarine which can drive a propeller by an air turbine using compressed air inside the submarine in emergencies such as a power loss in the submarine or a breakdown in a propulsion motor. According to an aspect of the present invention, the propulsion system for a submarine comprises: a propulsion motor which drives a propeller by rotating a propulsion shaft with supplied power inside the submarine; and a compressed air driving unit which drives the propeller by rotating the propulsion shaft by supplying compressed air in the submarine. COPYRIGHT KIPO 2016 (A1,A2,A3) Compressed air ...

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26-03-2020 дата публикации

ELECTRODE COMPOSITION FOR SECONDARY BATTERY AND METHOD FOR PREPARING SAME

Номер: WO2020059928A1
Принадлежит:

The present invention provides an electrode composition for a secondary battery and, more specifically, provides an electrode composition, which is prepared so as to have a more stable structure by doping potassium into a Prussian white structure. The electrode composition is structurally stable and contains no moisture therein, and thus can have excellent lifetime characteristics.

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20-05-2016 дата публикации

SILICON OR SILICON ALLOY NEGATIVE ELECTRODE MATERIAL ADAPTIVE TO INTERCALATION/DE-INTERCALATION OF LITHIUM ION AND MANUFACTURING METHODS THEREOF

Номер: KR1020160056375A
Принадлежит:

Disclosed are a negative electrode material adaptive to a cycle of lithium intercalation and de-intercalation and a method of manufacturing the same. According to the present invention, provided is a method of manufacturing a negative electrode material of a lithium secondary battery, which includes the steps of: coating polymer on a negative electrode active material surface; forming radical on the coated polymer; mixing the active material having the polymer coating on which the radical is formed with a conductive material to manufacture negative electrode material slurry; coating the negative electrode material slurry on a substrate; crosslinking the polymer of the coated negative electrode material slurry; and drying the crosslinked negative electrode material slurry. According to the present invention, the negative electrode material for a lithium battery is capable of improving cycle characteristics of a battery by proving buffering mechanism which is more rigid by the expansion and ...

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19-08-2015 дата публикации

Test system for secondary battery

Номер: KR0101545155B1
Принадлежит: 한국전기연구원

... 본 발명은 이차 전지 테스트 시스템으로서, 내부 수용 공간을 갖는 챔버로 구성되어, 상기 수용 공간 상에 전지셀이 장착되고 상기 전지셀의 적어도 일부분이 담기도록 전해액이 채워지는 전지셀 장착부; 상기 전지셀 장착부에 장착된 전지셀의 충방전을 수행하는 충방전 제어부; 상기 챔버 내부로 운반기체를 공급하는 운반기체 공급부; 및 상기 전지셀의 충방전에 따라 발생되는 생성물를 포집하여 분석하는 가스분석 장치부를 포함하는 것을 특징으로 하는 이차 전지 테스트 시스템이며, 이와 같은 본 발명에 의하면 이차전지 테스트 시스템을 통해 이차전지의 테스트시 충방전 후 이에 따른 결과를 분석하기 위해서 이차전지를 분리하는 번거로움 없이 이차전지의 충방전시 전압에 따른 전해액의 형태 또는 전극의 상태를 용이하게 분석할 수 있게 된다.

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28-05-2018 дата публикации

METHOD FOR PRODUCING ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERIES, AND ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERIES PRODUCED THEREBY

Номер: KR1020180056267A
Принадлежит:

The present invention relates to a method for producing an electrode material for lithium secondary batteries, and an electrode material for lithium secondary batteries produced thereby. More specifically, the present invention relates to a method for producing an electrode for lithium secondary batteries, ensuring improved charge/discharge capacity and cycle characteristics. To this end, a metal compound is coagulated by spray drying, and then multiporous silicon is produced via an air oxidation demagnesiumation method so as to apply the multiporous silicon to an electrode for lithium secondary batteries. The present invention further relates to an electrode material for lithium secondary batteries produced thereby. COPYRIGHT KIPO 2018 ...

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31-03-2023 дата публикации

리튬 황 전지용 탄소나노튜브 및 황 담지 탄소나노튜브 양극의 제조방법, 이에 의해 제조된 탄소나노튜브 양극을 포함하는 리튬 황 전지

Номер: KR20230043661A
Принадлежит:

... 황 담지용 탄소나노튜브 전극 구조체의 제조방법이 개시된다. 본 발명은 리튬 황 전지용 탄소나노튜브 전극의 제조 방법에 있어서, (a) 기판 상에 탄소나노튜브를 성장시켜 복수의 탄소나노튜브가 배열된 탄소나노튜브 어레이를 형성하는 단계; 및 (b) 상기 어레이의 탄소나노튜브의 말단을 개구하고, 상기 어레이의 탄소나노튜브 표면에 결함을 형성하는 단계를 포함하는 것을 특징으로 하는 리튬 황 전지용 탄소나노튜브 전극의 제조 방법을 제공한다.

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05-03-2015 дата публикации

SECONDARY BATTERY COMPRISING SOLID-STATE ELECTROLYTE AND WETTED IONIC LIQUID

Номер: WO2015030407A1
Принадлежит:

A secondary battery having improved interface contact characteristics and ion conductivity of an all-solid-state electrolyte is provided. The present invention provides a secondary battery comprising: a positive electrode; a negative electrode; and an electrolyte interposed between the positive and negative electrodes, wherein the electrolyte comprises a solid-state electrolyte and an ionic liquid wetted to the body of the solid-state electrolyte. According to the present invention, an electrolyte comprising a solid-state electrolyte and an ionic liquid wetted to the solid-state electrolyte provides high ionic conductivity at a contact interface, thereby solving the problem of interface characteristics which occurs in all-solid-state secondary batteries.

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08-05-2017 дата публикации

COP-BASED COMPOSITE ANODE ACTIVE MATERIAL INCLUDING MOP, ANODE INCLUDING SAME, AND METHOD FOR PRODUCING SAME

Номер: KR1020170048047A
Принадлежит:

Disclosed is a method for producing a phosphide-based composite anode active material of a lithium secondary battery having improved charging and discharging cycle properties. The present invention provides a method for producing an anode active material of a lithium secondary battery, wherein the method comprises the steps of: producing a mixed solution including a Co source, an Mo source, and a P source, wherein the Co source and the Mo source are combined to have a weight ratio of CoP:MoP at 1-x:x (herein, x>=0.05) on the basis of synthesized CoP and MoP; calcining the mixed solution in atmospheric air; and synthesizing CoP-phase and MoP-phase composite powder by heating the calcined powder in a reduction atmosphere. According to the present invention, a solution-type source is used, and a reduction process is applied, so a CoP composite active material can be produced through a simple scheme. COPYRIGHT KIPO 2017 (S112) P source (S114,S116) Mo source (S118) Mix (S120) Dry (S122) Calcine ...

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10-06-2016 дата публикации

ELECTROLYTE FOR SODIUM SECONDARY BATTERY

Номер: KR1020160066132A
Принадлежит:

Provided is an electrolyte of a sodium secondary battery, which is low-priced and has good electrochemical properties. Provided in the present invention is the electrolyte of a sodium secondary battery, which comprises: a first sodium salt including a non-halogenated anion; a second sodium salt including a halogenated anion; and a solvent for dissolving the first sodium salt and the second sodium salt. According to the present invention, provided is the electrolyte of a sodium secondary battery, which is low-priced and has good electrochemical properties, using a low-priced sodium salt including a non-halogenated anion. COPYRIGHT KIPO 2016 ...

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08-09-2015 дата публикации

3D printer system for manufacturing electrode of secondary battery

Номер: KR0101551916B1
Автор: 송재성, 최해영, 도칠훈
Принадлежит: 한국전기연구원

... 본 발명은 이차 전지용 전극 제조를 위한 3D 프린터 시스템에 관한 것이다. 보다 상세하게는 나트륨(Na) 양극 또는 규소(Si) 음극과 같은 이차 전지용 전극 제조에 있어서, 충방전 특성을 개선한 형태의 전극을 용이하게 제조할 수 있는 이차 전지용 전극 제조를 위한 3D 프린터 시스템에 관한 것이다. 본 발명은 이차 전지용 전극 제조를 위한 3D 프린터 시스템에 있어서, 상기 전극의 제조를 위한 활물질, 도전제, 및 바인더가 혼합된 형태의 혼합 부재를 이송받은 후 상부로 배출하는 부재 공급부; 상기 부재 공급부 일측에 결합되며 상부에 상기 전극의 제조를 위한 집전체가 미리 배치되는 집전체 배치부; 상기 부재 공급부 상부로 배출된 상기 혼합 부재를 상기 집전체 상부로 이송하는 이송 롤러; 및 상기 집전체 배치부 상부에 대하여 상방으로 이격되어 위치하며 상기 집전체 상부로 이송된 혼합 부재 측으로 레이저를 조사하여 미리 결정된 상기 전극의 형상에 따라 결정되는 상기 혼합 부재의 일부 영역을 경화시키는 레이저 경화부를 포함하고, 상기 혼합 부재는 슬러리 형태 또는 파우더 형태인 것을 특징으로 한다. 본 발명에 의하면 SLS(Selective Laser Sintering) 방식으로 3차원 형태의 전극을 제조할 수 있으며, 이에 따라 전극의 부피 팽창을 최소화할 수 있도록 내부에 다수의 포어(pore)를 포함하는 형태의 전극을 용이하게 제조할 수 있는 효과를 갖는다.

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30-11-2016 дата публикации

MANUFACTURING METHOD OF POROUS POLE PLATE FOR LITHIUM SECONDARY BATTERY

Номер: KR1020160136511A
Принадлежит:

Disclosed is a manufacturing method of a porous pole plate which is adaptive to the insertion and separation of lithium. The present invention provides the manufacturing method of a porous negative pole plate comprising: a step of dissolving a first polymer in a solvent; a step of irradiating the dissolved first polymer with ultraviolet rays; a step of manufacturing anode material slurry by mixing an active material, a conductor, and a second polymer binder; a step of spreading the manufactured anode material slurry on a substrate; and a step of removing the first polymer by thermally processing the spread slurry. According to the present invention, provided is an anode material for a lithium secondary battery capable of improving a cycle characteristic of a battery by controlling a blow hole which is formed by controlling the length by cutting a polymer chain and changing a terminal functional group, and providing a rigid buffer mechanism by expansion and construction by a cycle. COPYRIGHT ...

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25-10-2018 дата публикации

ELECTROLYTE FOR SODIUM SECONDARY BATTERIES AND SODIUM SECONDARY BATTERY INCLUDING SAME

Номер: KR101911520B1

Disclosed is a sodium secondary battery having good electrochemical characteristics. More specifically, provided is a sodium secondary battery which includes a positive electrode, a negative electrode, an electrolyte, and a separator separating the positive electrode and the negative electrode. The electrolyte is composed of: a sodium salt; a cyclic carbonate-based solvent; propyl propionate (PP); and an additive for forming a protective film on the positive and negative electrodes. According to the present invention, a hydrophobic solvent is contained in the electrolyte to improve wettability of a polyethylene separator. Also, it is possible to provide a sodium secondary battery in which a functional additive is included so that a protective film is formed on the sodium metal negative electrode surface and positive electrode surface, thereby preventing formation of decomposed electrolytes and improving cell performance. COPYRIGHT KIPO 2018 (AA) Test example (BB) Test example 6 (CC) Test ...

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04-04-2018 дата публикации

NEGATIVE ELECTRODE ACTIVE MATERIALS FOR SODIUM SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF

Номер: KR1020180034005A
Принадлежит:

The present invention relates to a sodium secondary battery, and specifically, to a negative electrode active material for a sodium secondary battery, which is cheap and has excellent electrical and electrochemical characteristics by providing the negative electrode active material for the sodium secondary battery comprising a graphite oxide layer and sodium ions formed between the graphite oxide layer, and to a manufacturing method thereof. COPYRIGHT KIPO 2018 ...

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10-07-2018 дата публикации

FABRICATION METHOD OF NEGATIVE ELECTRODE COMPRISING SILICON-BASED ALLOY FOR LITHIUM ION SECONDARY BATTERY

Номер: KR1020180078628A
Принадлежит:

The present invention relates to a fabrication method of a negative electrode comprising a silicon alloy for a lithium ion secondary battery. The fabrication method comprises the following steps: (S10) mixing components including a silicon-based alloy active material, a binder, a conductive material, and graphite, to prepare an electrode slurry; (S20) coating a current collector with the electrode slurry and conducting a first drying operation; (S30) conducting a first curing operation after the first drying operation; (S40) conducting a second drying operation to form an electrode after the first curing operation; and (S50) preparing an Al_2O_3/carbon solution, coating the electrode with the solution, and conducting a second curing operation via thermal treatment. The negative electrode fabricated according to the present invention can improve the initial capacity of a battery and the charging/discharging efficiency thereof. COPYRIGHT KIPO 2018 ...

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04-05-2016 дата публикации

TIN-BASED NEGATIVE ELECTRODE ACTIVE MATERIAL FOR SODIUM SECONDARY BATTERY, PRODUCING METHOD OF NEGATIVE ELECTRODE ACTIVE MATERIAL, SODIUM SECONDARY BATTERY COMPRISING NEGATIVE ELECTRODE ACTIVE MATERIAL

Номер: KR1020160048504A
Принадлежит:

The present invention relates to a tin-based negative electrode active material for a sodium secondary battery, a producing method of a negative electrode active material, a sodium secondary battery comprising a negative electrode active material. The producing method of a tin-based negative electrode active material for a sodium secondary battery comprises the steps of: electric-exploding tins by applying high voltage pulse power supply to the tins in liquid; and producing a negative electrode active material using tin nanoparticles produced by electric-explosion. The negative electrode active material comprises: composite active material sulfur for preventing aggregation between the tin nanoparticles; and a carbon material for increasing conductivity. The sodium secondary battery having cheap production cost in comparison with a lithium ion battery is produced, and also the sodium secondary battery having high theoretical capacity can be obtained while reducing production cost by applying ...

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08-06-2017 дата публикации

공기연행제 조성물

Номер: KR0101738423B1
Принадлежит: 케이엠비(주)

... 본 발명은 하기 화학식으로 표시되는 화합물 중에서 선택된 1종 이상의 고급알콜계 음이온 계면활성제 100중량부에 대해 상온안정화제 0.1 내지 15중량부, 물 5 내지 30중량부가 포함되는 것을 특징으로 하는 공기연행제 조성물에 관한 것이다.

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03-11-2015 дата публикации

METHOD FOR MANUFACTURING POROUS ELECTRODE

Номер: KR1020150122888A
Принадлежит:

Disclosed is a method for manufacturing a porous electrode. According to an embodiment of the present invention, the method comprises the following steps of: manufacturing slurry by mixing an electrode active material including silicon, a conductive material, and a binder at a predetermined ratio; adding high-polymer particles, including properties capable of being removed at a predetermine temperature, to the slurry; applying the slurry, to which the high-polymer particles are added, on a current collecting body; and performing heat treatment on the current collecting body. A porous silicone electrode in which a plurality of air holes are formed can be manufactured, through the method for manufacturing the porous electrode according to the embodiment of the present invention, thereby manufacturing a lithium secondary battery having excellent cycle characteristics to prevent greatly reduced storability/storage capacity of the secondary battery due to the expansion of an active material ...

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25-04-2018 дата публикации

MANUFACTURING METHOD OF COMPLEX NEGATIVE ELECTRODE FOR SODIUM ION SECONDARY BATTERY AND COMPLEX NEGATIVE ELECTRODE MANUFACTURED THEREBY

Номер: KR1020180042023A
Принадлежит:

The present invention relates to a manufacturing method of a complex negative electrode for a sodium ion secondary battery, and relates to a complex negative electrode manufactured thereby. Provided is a complex negative electrode comprising Sn-Sb, thereby improving cycle properties and charging and discharging capacity. The complex negative electrode comprising Sn-Sb is porous. The present invention relates to a manufacturing method of a complex negative electrode for a sodium ion secondary battery for improving the performance of a sodium ion secondary battery by inhibiting the deterioration caused by the volume expansion in a charging and discharging process, and relates to a complex negative electrode manufactured thereby. COPYRIGHT KIPO 2018 ...

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28-02-2019 дата публикации

LIQUID ELECTROLYTE FOR SODIUM SECONDARY BATTERY AND SODIUM SECONDARY BATTERY COMPRISING SAME

Номер: WO2019039642A1
Принадлежит:

Disclosed is a sodium secondary battery having an outstanding electrochemical property. The present invention provides a sodium secondary battery comprising a cathode, an anode, an electrolyte, and a separator between the cathode and the anode, wherein the liquid electrolyte includes a sodium salt; a cyclic carbonate-based solvent; propyl propionate (PP); and an additive for forming a protective film on the cathode and the anode. According to the present invention, the hydrophobic solvent contained in the liquid electrolyte enhances the wettability of the polyethylene separator. In addition, the contained functional additive allows the formation of a protective film on the surface of the sodium metal anode and the surface of the cathode to restrain the formation of degradation products of the liquid electrolyte, thereby providing a sodium secondary battery having an improved cell function.

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01-11-2016 дата публикации

투수블럭 제조방법 및 이에 의해 제조되는 투수블럭

Номер: KR0101671427B1
Принадлежит: 케이엠비(주)

... 본 발명은 투수블럭 조성물을 배합하는 단계(S10); 상기 투수블럭 조성물을 블록형상으로 몰딩하되 몰딩된 투수블럭 조성물에 몸체와 상기 몸체에 펀칭돌기가 복수로 돌출형성 되는 홀형성판으로 펀칭을 하여 복수의 홀이 관통하는 투수블럭을 제조하는 단계(S20);를 포함하는 것을 특징으로 하는 투수블럭 제조방법에 관한 것이다.

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21-12-2016 дата публикации

AIR ENTRAINING AGENT COMPOSITION

Номер: KR1020160145942A
Принадлежит:

The present invention relates to an air entraining agent composition characterized by containing 0.1-15 parts by weight of a room temperature stabilizer and 5-30 parts by weight of water based on 100 parts by weight of one or more kind of higher alcohol-based anion surfactant selected among a compound of chemical formula. COPYRIGHT KIPO 2016 ...

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17-08-2015 дата публикации

Cathode of lithium air battery, and method of manufacturing cathode of lithium air battery

Номер: KR0101544585B1
Принадлежит: 한국전기연구원

... 리튬 공기 전지의 양극부(cathode)는 메쉬 형태(mesh form)를 가지는 탄소나노튜브(CNT) 층과, 탄소나노튜브 층 아래에 형성되고 메쉬 형태를 가지는 니켈 층을 포함한다. 탄소나노튜브 층은 소수성 작용기(hydrophobic functional group)를 포함하고, 탄소나노튜브 층 위에 금속 촉매가 형성된다.

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29-05-2017 дата публикации

ANODE ACTIVE MATERIAL FOR SODIUM SECONDARY BATTERY, AND PREPARATION METHOD THEREOF

Номер: KR1020170058673A
Принадлежит:

Disclosed is an anode active material of a sodium secondary battery having excellent electrochemical characteristics. The present invention provides the anode active material of a sodium secondary battery, which comprises: a layered sodium transition metal oxide powder coated with a buffer layer; a sacrificial anode material; and a conductive material. According to the present invention, it is possible to provide the anode active material for the sodium secondary battery, which reduces initial irreversibility, and to provide the sodium secondary battery, which is not degraded in cycle characteristics of the battery due to a structural change even when exposed to the air. COPYRIGHT KIPO 2017 ...

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08-09-2015 дата публикации

Method for manufacturing Coin-type lithium ion secondary battery

Номер: KR0101551912B1
Принадлежит: 한국전기연구원

... 코인형 리튬 이온 전지는, 다수의 음극(anode) 전극 패턴들이 형성된 일면을 가지는 음극(anode) 집전체와, 다수의 양극(cathode) 전극 패턴들이 형성된 일면을 가지는 양극(cathode) 집전체와, 양극 집전체와 음극 집전체 사이에 배치되는 분리막을 포함한다. 양극 집전체와 음극 집전체는 각각 접혀지는 것에 의해, 양극 전극 패턴들 각각과 음극 전극 패턴들 각각은 서로 마주보며 배치된다.

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30-10-2015 дата публикации

POLYMER MORTAR COMPOSITION FOR REPAIRS AND REINFORCEMENT

Номер: KR1020150121734A
Принадлежит:

The present invention relates to a polymer mortar composition for repairs and reinforcement including: 3-12 parts by weight of calcium sulfonate aluminate (CSA) based rapid hardening cement; 4-18 parts by weight of a calcium sulfonate aluminate (CSA) based expansion agent; 1-6 parts by weight of slaked lime; 0.6-6 parts by weight of a polyvinyl alcohol (PVA) resin; 0.002-0.006 parts by weight of aluminum powder; 0.4-1.2 parts by weight of a dispersant; and 100-180 parts by weight of fine aggregates with respect to 100 parts by weight of cement. COPYRIGHT KIPO 2016 ...

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21-06-2016 дата публикации

PARALLEL AIR CIRCULATION TYPE CARBON DIOXIDE PARTIAL PRESSURE MEASUREMENT APPARATUS OF SEA WATER

Номер: KR101631867B1

The present invention relates to a parallel air circulation type carbon dioxide partial pressure measurement apparatus of sea water, and particularly, to the parallel air circulation type carbon dioxide partial pressure measurement apparatus of sea water, which supplies air supplied from an air balancing unit to a measurement unit measuring carbon dioxide partial pressure in the sea water and a bubble inflow pipe separately through a dual air pump and then circulates the air in parallel and individually. The parallel air circulation type carbon dioxide partial pressure measurement apparatus of the present invention has the advantage of being able to measure the carbon dioxide partial pressure of the sea water accurately by the measurement unit, by maintaining a constant sea surface level in a floating member even though there is a difference between a compression force of the pump supplying the air to both circulation systems and the amount of air supplied, by configuring air supply circulation ...

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21-05-2018 дата публикации

APPARATUS FOR CONTINUOUSLY MEASURING OXYGEN AND CARBON DIOXIDE IN FISH FARM WITHOUT BIOLOGICAL CONTAMINATION CAUSED BY SENSOR

Номер: KR1020180052908A
Принадлежит:

The present invention relates to an apparatus for continuously measuring oxygen and carbon dioxide in a fish farm without biological contamination caused by a sensor, which comprises: a floating member some part of which is submerged in seawater where marine microbes live, and has a head space inside thereof; a bubble introduction pipe which is submerged in seawater to communicate with the lower part of the floating member; a dehumidifier one side of which communicates with the upper part of the floating member to dehumidify the air provided by the floating member; a first circulation pipe which circulates the air discharged by the dehumidifier to introduce the same into the floating member; a second circulation pipe which circulates the air discharged by the dehumidifier to introduce the same into the floating member; a carbon dioxide partial pressure measurement unit which measures partial pressure of carbon dioxide within the air introduced into the first circulation pipe; and an oxygen ...

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28-06-2018 дата публикации

센서의 생물오염 없이 양식장의 산소와 이산화탄소를 연속으로 측정하는 장치

Номер: KR0101872235B1
Принадлежит: 한국해양과학기술원

... 본 발명은 센서의 생물오염 없이 양식장의 산소와 이산화탄소를 연속으로 측정하는 장치에 관한 것으로, 미세 해양 생물이 서식하는 해수에 일부가 잠겨 내부에 헤드 스페이스(head space)가 형성되는 플로팅 부재; 상기 해수에 잠기며, 상기 플로팅 부재의 하부에 연통되는 버블 도입관; 상기 플로팅 부재의 상부에 일측이 연통되어 상기 플로팅 부재로부터 제공되는 공기를 제습하는 제습기; 상기 제습기를 통해 유출되는 공기가 순환되어 상기 플로팅 부재 내로 유입되는 제1 순환 배관; 상기 제습기를 통해 유출되는 공기가 순환되어 상기 플로팅 부재 내로 유입되는 제2 순환 배관; 상기 제1 순환 배관 내로 제공되는 공기 내의 이산화탄소분압을 측정하는 이산화탄소분압측정기; 및 상기 제2 순환 배관 내로 제공되는 공기 내의 산소분압을 측정하는 산소분압측정기;를 포함한다.

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21-09-2016 дата публикации

METHOD FOR PRODUCING WATER-PERMEABLE BLOCK AND WATER-PERMEABLE BLOCK PRODUCED THEREBY

Номер: KR1020160108931A
Принадлежит:

The present invention relates to a method for producing a water-permeable block. The method of the present invention comprises the following steps: (S10) mixing a the water-permeable block composition; and (S20) molding the water-permeable block composition in a block shape so as to produce the water-permeable block where a plurality of holes penetrate therethrough, by punching the molded water-permeable block composition with a hole forming plate having a body on which a plurality of punching projections are protrudely formed thereon. COPYRIGHT KIPO 2016 (S10) Step of mixing a water-permeable block (S20) Step of producing the water-permeable block in which a plurality of holes are penetrated by punching using a body and a hole forming plate in a molded water-permeable block composition while molding the water-permeable block composition in a block shape, wherein the hole forms a plurality of punching protrusions plate on the body ...

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15-03-2016 дата публикации

Composition of polymer repairing and reinforcing mortar

Номер: KR0101603270B1

... 본 발명은 시멘트 100중량부에 대해 칼슘설포알루미네이트(CSA)계 조강시멘트 3 내지 12중량부, 칼슘설포알루미네이트(CSA)계 팽창재 4 내지 18중량부, 소석회 1 내지 6중량부, 폴리비닐알코올(PVA) 수지 0.6 내지 6중량부, 알루미늄 파우더 0.002 내지 0.006중량부, 분산제 0.4 내지 1.2중량부, 세골재 100 내지 180중량부를 포함하는 것을 특징으로 하는 폴리머 보수ㅇ보강 모르타르 조성물에 관한 것이다.

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06-11-2017 дата публикации

SILICON ELECTRODE COMPRISING GUAR GUM AND MANUFACTURING METHOD THEREOF

Номер: KR1020170122378A
Принадлежит:

The present invention relates to a silicon electrode comprising guar gum and to a manufacturing method thereof, wherein the manufacturing method comprises the following steps: preparing slurry by mixing a binder composed of a polymer including an electrode active material, a conductive material, guar gum, and a carboxyl group with a solvent; applying the slurry to a metal current collector; and cross-linking the guar gum and the polymer applied to the metal current collector. Therefore, by forming a dense network structure through cross-linking between the guar gum and the polymer comprising the carboxyl group, a volume change of the electrode during charging and discharging of lithium ions can be reduced to obtain an effect of improving mechanical performance of the electrode. COPYRIGHT KIPO 2017 (AA) Start (BB) End (S1) Preparing slurry including guar gum and polyacrylic acid (S2) Applying the slurry to a metal current collector (S3) Drying the metal current collector, Cross-linking the ...

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