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

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Применить Всего найдено 15. Отображено 15.
03-09-2015 дата публикации

ANODE ACTIVE MATERIAL, LITHIUM SECONDARY BATTERY HAVING SAME, AND METHOD FOR MANUFACTURING SAME

Номер: KR1020150101181A
Автор: CHO, WOO SUK, KIM, JEOM SOO, KIM, YOUNG JUN, GO, HYEONG SHIN, MIN, SUNG HWAN
Принадлежит:

The present invention relates to an anode active material, a lithium secondary battery having the same, and a method for manufacturing the same. The present invention is to: prevent the deterioration capacity of an anode active material based on a lithium cobalt oxide in a high temperature environment and a high voltage greater than or equal to 4.4V (vs. Li/Li+); and prevent the deterioration of anode surfaces by HF generated by moisture included in an electrolyte. The present invention provides the positive active material for a lithium secondary battery in which a nano-sized Zr oxide is uniformly coated on the surface of the lithium cobalt oxide represented by chemical formula below. A nano-sized Si oxides can be uniformly coated on the surface of the lithium cobalt oxide, with the nano-sized Zr oxide. [Chemical formula] LiCo_1-xM_xO_2, wherein 0.00<=x<0.10; and M is one or more metals selected from a group consisting of Mg, Fe, Cu, Zn, Cr, Ag, Ca, Na, K, In, Ga, Ge, V, Mo, Nb, Si, Ti ...

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Номер записи: 1
28-01-2016 дата публикации

Positive active material, lithium secondary battery having the same and manufacturing method thereof

Номер: KR0101588652B1
Автор: 조우석, 김점수, 김영준, 고형신, 민성환
Принадлежит: 전자부품연구원, 주식회사 포스코이에스엠

... 본 발명은 양극 활물질, 그를 갖는 리튬이차전지 및 그의 제조 방법에 관한 것으로, 리튬 코발트 산화물을 기반으로 한 양극 활물질의 4.4V (vs. Li/Li+) 이상의 고전압 및 고온 환경에서의 용량 열화를 억제하고, 전해액에 일부 포함되는 수분으로 기인하여 발생되는 HF로 인한 양극 표면의 열화를 억제하기 위한 것이다. 본 발명은 아래의 화학식으로 표현되는 리튬 코발트 산화물의 표면에 균일하게 나노 크기의 Zr 산화물이 코팅된 리튬이차전지용 양극 활물질을 제공한다. 리튬 코발트 산화물의 표면에 나노 크기의 Zr 산화물과 함께 균일하게 나노 크기의 Si 산화물을 코팅할 수 있다. [화학식] LiCo1-xMxO2(0.00≤x<0.10, M은 Mg, Fe, Cu, Zn, Cr, Ag, Ca, Na, K, In, Ga, Ge, V, Mo, Nb, Si, Ti 및 Zr으로 이루어진 군으로부터 선택되는 1 종 이상의 금속) ...

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Номер записи: 2
18-10-2018 дата публикации

리튬 이차 전지용 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지

Номер: KR0101909216B1
Автор: 민성환, 송진우, 고형신, 유제혁
Принадлежит: 주식회사 포스코, 재단법인 포항산업과학연구원, 주식회사 포스코이에스엠

... 본 발명의 일 실시예에 의한 리튬 이차 전지용 양극 활물질은 코어부; 농도구배부; 및 표면부를 포함하고, Ni, Co, 및 Mn을 포함하는 리튬 복합 산화물이되, 코어부 내 Ni, Co, 및 Mn의 함량은 일정하며, Co 함량은 Ni, Co, 및 Mn 100 몰%에 대해, 20몰%미만이고, 표면부 내 Ni, Co, 및 Mn의 함량은 일정하며, Co 함량은 Ni, Co, 및 Mn 100 몰%에 대해, 30몰% 이상이고, 농도구배부 내 Co의 함량은 코어부로부터 표면부를 향해 점진적으로 증가한다.

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Номер записи: 3
04-07-2017 дата публикации

POSITIVE ELECTRODE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD FOR PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME

Номер: KR1020170075915A
Автор: MIN, SUNG HWAN, SONG, JIN WOO, KO, HYOUNG SHIN, RYU, JEA JYEOK
Принадлежит:

A positive electrode active material for a rechargeable lithium battery comprises a core unit, a concentration gradient unit and a surface unit, and is a lithium composite oxide including Ni, Co and Mn. The content of Ni, Co and Mn in the core unit is uniform, wherein the content of Co is less than 20 mol% with respect to 100 mol% of Ni, Co and Mn. The content of Ni, Co and Mn in the surface unit is uniform, wherein the content of Co is more than or equal to 30 mol% with respect to 100 mol% of Ni, Co and Mn. The content of Co in the concentration gradient is gradually increased from the core unit to the surface unit. COPYRIGHT KIPO 2017 ...

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Номер записи: 4
03-07-2017 дата публикации

POSITIVE ELECTRODE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD FOR PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME

Номер: KR1020170075124A
Автор: MIN, SUNG HWAN, SONG, JIN WOO, KO, HYOUNG SHIN, RYU, JEA JYEOK
Принадлежит:

The present invention relates to a method for manufacturing a positive electrode active material for a rechargeable lithium battery and a rechargeable lithium battery comprising the same. The method comprises the following steps: preparing an active material precursor including Ni, Co and Mn; mixing and sintering the precursor and a lithium raw material and obtaining a lithium composite oxide; and washing the obtained lithium composite oxide. In the step of washing the obtained lithium composite oxide, lithium hydroxide is included in a washing solution. COPYRIGHT KIPO 2017 ...

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Номер записи: 5
27-06-2016 дата публикации

POSITIVE ELECTRODE ACTIVE MATERIAL FOR RECHARGABLE LITHIUM BATTERY, METHOD FOR MANUFACTURING THE SAME, AND RECHARGABLE LITHIUM BATTERY INCLUDING THE SAME

Номер: KR0101633256B1
Автор: 민성환, 고형신, 김득수, 남상철
Принадлежит: 주식회사 포스코, 재단법인 포항산업과학연구원, 주식회사 포스코이에스엠

... 리튬 이차 전지용 양극 활물질, 이의 제조 방법, 및 이를 포함하는 리튬 이차 전지에 관한 것으로, Me-도핑된 리튬 전이금속 복합 산화물 (Me = Mg, Al, Ni, Mn, Zn, Fe, Cr, Mo, Zr, 또는 W); 및 상기 Me-도핑된 리튬 전이금속 복합 산화물의 표면에 위치하고, 불소 화합물이 함유된 코팅층;을 포함하는 리튬 이차 전지용 양극 활물질, 이의 제조 방법, 및 이를 포함하는 리튬 이차 전지를 제공할 수 있다.

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Номер записи: 6
17-01-2013 дата публикации

INORGANIC PARTICLE SCATTERING FILM HAVING A GOOD LIGHT-EXTRACTION PERFORMANCE

Номер: WO2013009150A2
Автор: RYU, Kwang Hyun, KIM, Hwa Young, KIM, Sung Kook, LEE, Yong Jin, MIN, Sung Hwan
Принадлежит:

The present invention relates to an inorganic particle scattering film which exhibits a good light-extraction effect via a light-scattering effect because of the formation of an inorganic particle layer comprising voids on a light-emitting-element interface or transparent substrate, and which exhibits outstanding flatness and hardness because of the formation of a flattening layer on the inorganic particle layer, and the invention relates to a production method for the inorganic particle scattering film. Because the inorganic particle scattering film according to the present invention has a good light-extraction effect and outstanding flatness and hardness, it can be put to diverse uses in fields such as picture display devices, lighting elements and solar photovoltaic cells.

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Номер записи: 7
18-12-2015 дата публикации

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, PRODUCING METHOD THEREOF, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Номер: KR1020150141254A
Автор: MIN, SUNG HWAN, KO, HYOUNG SHIN, KIM, DEUK SU, NAM, SANG CHEOL
Принадлежит:

The present invention relates to a positive electrode active material for a lithium secondary battery, a producing method thereof, and a lithium secondary battery comprising the same. In the present invention, provided are a positive electrode active material for a lithium secondary battery, comprising a Me-doped lithium transition metal composite oxide (Me = Mg, Al, Ni, Mn, Zn, Fe, Cr, Mo, Zr, or W), and a coating layer which is placed on the surface of the Me-doped lithium transition metal composite oxide, and contains a fluorine compound; a producing method thereof; and to a lithium secondary battery comprising the same. COPYRIGHT KIPO 2016 (AA) Doping materials MeF_x (MgF_2 and the like) ...

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Номер записи: 8
14-08-2018 дата публикации

리튬 이차 전지용 양극 활물질의 제조 방법 및 이를 포함하는 리튬 이차 전지

Номер: KR0101888180B1
Автор: 민성환, 송진우, 고형신, 유제혁
Принадлежит: 주식회사 포스코, 재단법인 포항산업과학연구원, 주식회사 포스코이에스엠

... 리튬 이차 전지용 양극 활물질의 제조방법 및 이를 포함하는 리튬 이차 전지에 관한 것으로, Ni, Co, 및 Mn을 포함하는 활물질 전구체를 준비하는 단계, 상기 전구체 및 리튬 원료 물질을 혼합 후 소성하여 리튬 복합 산화물을 수득하는 단계; 및 상기 수득된 리튬 복합 산화물을 수세하는 단계;를 포함하고, 상기 수득된 리튬 복합 산화물을 수세하는 단계;에서, 수세액에 수산화 리튬을 포함하는 것인 리튬 이차 전지의 제조 방법을 제공한다.

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Номер записи: 9
17-01-2013 дата публикации

INORGANIC PARTICLE SCATTERING FILM HAVING A GOOD LIGHT-EXTRACTION PERFORMANCE

Номер: WO2013009150A3
Автор: RYU, Kwang Hyun, KIM, Hwa Young, KIM, Sung Kook, LEE, Yong Jin, MIN, Sung Hwan
Принадлежит:

The present invention relates to an inorganic particle scattering film which exhibits a good light-extraction effect via a light-scattering effect because of the formation of an inorganic particle layer comprising voids on a light-emitting-element interface or transparent substrate, and which exhibits outstanding flatness and hardness because of the formation of a flattening layer on the inorganic particle layer, and the invention relates to a production method for the inorganic particle scattering film. Because the inorganic particle scattering film according to the present invention has a good light-extraction effect and outstanding flatness and hardness, it can be put to diverse uses in fields such as picture display devices, lighting elements and solar photovoltaic cells.

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Номер записи: 10
04-07-2019 дата публикации

CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Номер: WO2019132381A1
Автор: MIN, Sung Hwan, KIM, Jeong Han, SONG, Jung Hoon
Принадлежит:

The present invention relates to a cathode active material for a lithium secondary battery, a method for manufacturing the same, and a lithium secondary battery comprising the same. The cathode active material for a lithium secondary battery comprises a core and a coating layer, wherein the core is a lithium metal oxide, the coating layer contains boron, and a boron compound in the coating layer contains a lithium boron oxide and a boron oxide, wherein the lithium boron oxide is at least 70 wt% and and not more than 99 wt% in the entire coating layer, the lithium boron oxide contains Li2B4O7, and the content of Li2B4O7 is 55-99 wt% with respect 100 wt% of the lithium boron oxide.

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Номер записи: 11
17-01-2013 дата публикации

INORGANIC PARTICLE SCATTERING FILM HAVING A GOOD LIGHT-EXTRACTION PERFORMANCE

Номер: WO2013009150A9
Автор: RYU, Kwang Hyun, KIM, Hwa Young, KIM, Sung Kook, LEE, Yong Jin, MIN, Sung Hwan
Принадлежит:

The present invention relates to an inorganic particle scattering film which exhibits a good light-extraction effect via a light-scattering effect because of the formation of an inorganic particle layer comprising voids on a light-emitting-element interface or transparent substrate, and which exhibits outstanding flatness and hardness because of the formation of a flattening layer on the inorganic particle layer, and the invention relates to a production method for the inorganic particle scattering film. Because the inorganic particle scattering film according to the present invention has a good light-extraction effect and outstanding flatness and hardness, it can be put to diverse uses in fields such as picture display devices, lighting elements and solar photovoltaic cells.

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Номер записи: 12
22-05-2014 дата публикации

LITHIUM-MANGANESE COMPOSITE OXIDE IN WHICH SIZE OF VERTICAL ANGLE OF PRIMARY PARTICLE IS ADJUSTED, AND METHOD FOR PREPARING SAME

Номер: WO2014077445A1
Автор: MIN, Sung-Hwan, LEE, Min-Young, KO, Hyoung-Shin, LEE, Jae-An
Принадлежит:

The present invention relates to a lithium-manganese composite oxide in which the size of the face angle of a primary particle is adjusted, and to a method for preparing the same. The lithium-manganese composite oxide in which the size of the vertical angle of the primary particle is adjusted and method for preparing same according to the present invention may gently adjust the size of the vertical angle of the polyhedron that constitutes primary particles having a shape of a convex polyhedron in the lithium-manganese composite oxide, thus preventing the formation of convex-concave portions at the surface of a pole plate in the process of forming the pole plate by means of rolling during the manufacturing of a battery, resulting in improved characteristics of the battery.

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Номер записи: 13
29-01-2016 дата публикации

Spinel type lithium manganese complex oxide and method of preparing the same

Номер: KR0101589293B1
Автор: 민성환, 고형신, 김득수
Принадлежит: 주식회사 포스코, 주식회사 포스코이에스엠, 재단법인 포항산업과학연구원

... 스피넬형 리튬 망간 복합 산화물 및 이의 제조 방법에 관한 것으로, 하기 화학식 1로 표시되는 스피넬형 리튬 망간 복합 산화물을 제공할 수 있다. [화학식 1] Li1+xMn2-yMgyO4 (상기 식에서 0≤x≤0.2, 0 Подробнее

Номер записи: 14
27-06-2019 дата публикации

POSITIVE POLE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF, LITHIUM SECONDARY BATTERY

Номер: WO2019124943A1
Автор: MIN, Sung Hwan, KIM, Jeong Han, SONG, Jung Hoon
Принадлежит:

A positive pole active material for a lithium secondary battery comprising a compound represented by the following chemical formula 1 is disclosed. [Chemical formula 1] Li1+mNi1-w-x-y-zCowMnxM1yM2z O2-pXp(in chemical formula 1, M1 and M2 are different from each other, is any one element selected from a group consisting of Al, Mg, Zr, Sn, Ca, Ge, Ti, Cr, Fe, Zn, Y, Ba, La, Ce, Sm, Gd, Yb, Sr, Cu and Ga, respectively, X is any one element selected from a group consisting of F, N, S, and P, and w, x, y, z, p, and m are 0.125 Подробнее

Номер записи: 15