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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 125. Отображено 100.
25-01-2018 дата публикации

다층 구조 전극 및 이를 포함하는 리튬 이차전지

Номер: KR0101811833B1
Принадлежит: 주식회사 엘지화학

... 본 발명은, 다층 구조 전극 및 이를 포함하는 리튬 이차전지에 관한 것으로, 상세하게는,외부 도선과 전극 활물질 사이에서 전자를 전달하는 집전체;상기 집전체 상에 형성되어 있고, 집전체와 전극 합제를 결착하는 제 1 바인더를 포함하는 프라이머층; 및 상기 프라이머층 상에 형성되어 있고, 전극 활물질 및 제 2 바인더를 포함하는 제 2 전극 합제층;을 포함하고 있으며, 상기 제 2 바인더의 유리전이온도(Tg)는 제 1 바인더의 유리전이온도(Tg)보다 높고, 상기 프라이머층과 제 2 전극 합제층의 두께의 합은 80 마이크로미터 이상인 것을 특징으로 하는 다층 구조 전극 및 이를 포함하는 리튬 이차전지에 관한 것이다.

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18-09-2015 дата публикации

MIXED POSITIVE-ELECTRODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME

Номер: KR0101551521B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 혼합 양극활물질 및 이를 포함하는 리튬이차전지에 관한 것으로, 더욱 상세하게는 단독으로는 전지에의 적용이 어려운 재료인 Li4Mn5O12에 충전용량이 방전용량보다 큰 재료인 Li2NixCu1-xO2(여기서, 0≤x≤1)를 첨가함으로써, 저가이면서도 수명 특성이 우수한 Li4Mn5O12를 리튬이차전지에 효율적으로 사용할 수 있는 혼합 양극활물질 및 이를 포함하는 리튬이차전지에 관한 것이다.

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05-02-2015 дата публикации

NEGATIVE ELECTRODE FOR PREVENTING PRECIPITATION OF MANGANESE AND BATTERY CELL COMPRISING SAME

Номер: WO2015016560A1
Принадлежит:

The present invention provides a battery cell having an electronic assembly and an electrolyte sealed within a battery case thereof, the electronic assembly comprising: at least one positive electrode to which a positive electrode terminal is connected; at least one first negative electrode to which a first negative electrode terminal is connected; at least one second negative electrode to which a second negative electrode terminal is connected; and separation films which are interposed between the positive electrode and the first negative electrode or the second negative electrode, or between the positive electrode and the first negative electrode or the second negative electrode and between the first negative electrode and the second negative electrode, respectively.

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04-01-2018 дата публикации

SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME

Номер: WO2018004196A1
Принадлежит:

The present invention relates to a secondary battery and a method for manufacturing the same. A secondary battery according to the present invention comprises: an electrode assembly which is formed by alternately stacking an electrode and a separation membrane; and a battery case in which a receiving portion for receiving the electrode assembly is formed, a sealing portion and a sewing portion are formed on the outer circumferential surface thereof, and a coating portion is formed on the outer surface of the sewing portion.

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08-07-2016 дата публикации

Cathode Active Material and Lithium Secondary Battery Comprising the Same

Номер: KR0101637898B1

... 본 발명은 하기 화학식 1에서 선택되는 하나 이상의 화합물을 포함하는 것을 특징으로 하는 양극 활물질 및 이를 포함하는 리튬 이차전지를 제공하여 우수한 안전성을 나타내면서도 수명 특성 및 레이트 특성을 향상시킬 수 있다.Li[LixMyM’(1-x-y)]O2-zAz (1)상기 식에서, M은 Ru, Mo, Nb, Te, Re, Ir, Pt, Cr, S, W, Os, 및 Po으로 이루어진 군에서 선택되는 1종 이상이고;M’는 Ni, Ti, Co, Al, Mn, Fe, Mg, B, Cr, Zr, Zn 및 2주기 전이금속들로 이루어진 군에서 선택되는 1종 이상이며;A는 -1 또는 -2가의 음이온이며;0 Подробнее

23-03-2023 дата публикации

리튬 이차전지용 전극, 이의 제조방법 및 이를 포함하는 리튬 이차전지

Номер: KR20230040922A
Принадлежит:

... 전극 활물질, 도전재 및 바인더를 포함하는 활성층을 포함하고, 상기 바인더는 다방향으로 섬유화된 리튬 이차전지용 전극이 제공된다. 상기 활성층은 4개의 블레이드를 포함하는 블렌더를 사용하여 10,000rpm으로 30초 동안 분쇄한 입자의 평균 직경(D50)이 200㎛ 내지 500㎛이다. 상기 리튬 이차전지용 전극은 활성층에 포함된 바인더가 다방향으로 섬유화가 되어, 활성층에서 전극 활물질, 도전재 및 바인더 사이에 결착력이 향상되고, 나아가 전극의 내구성이 개선된다.

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17-01-2019 дата публикации

METHOD FOR MANUFACTURING SECONDARY BATTERY USING LITHIUM METAL AS NEGATIVE ELECTRODE

Номер: WO2019013478A2
Принадлежит:

The present invention relates to a method for manufacturing a secondary battery using a lithium metal as a negative electrode, and is directed to a method for manufacturing a lithium secondary battery, the method being characterized in that an oxide film on a surface of the lithium metal is removed by partial discharge before initial charge at the time of an activation process. Here, the discharge current density at the time of the partial discharge is preferably in a range of 0.01-3 mA/cm2. In the present invention, the oxide film formed on the surface of the lithium metal is removed through initial partial discharge, thereby minimizing a reduction in ion conductivity and allowing a lithium precipitation reaction to be uniform, leading to an improvement in battery cycle performance.

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10-06-2016 дата публикации

Lithium Secondary Battery Preparation Method Pressurizing the Battery during Vitalization Process

Номер: KR0101629482B1
Автор: 김일홍, 김경호, 하회진
Принадлежит: 주식회사 엘지화학

... 본 발명은 치환 또는 비치환의 리튬 금속 산화물 및/또는 치환 또는 비치환의 리튬 금속 인산화물을 양극 활물질로 포함하는 리튬 이차전지의 활성화 공정에 있어서, 상기 활성화 공정은, 충전 과정, 에이징(aging) 과정, 및 방전 과정을 포함하고, 상기 충전 과정은, 리튬 이차전지를 가압하는 과정을 포함하는 것을 특징으로 하는 리튬 이차전지의 제조방법을 제공한다.

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03-05-2016 дата публикации

The Method for Preparing Lithium Secondary Battery and the Lithium Secondary Battery Prepared by Using the Same

Номер: KR0101617415B1
Автор: 김경호, 김일홍, 하회진
Принадлежит: 주식회사 엘지화학

... 본 발명은 양극 활물질로서, 하기 화학식 (1)로 표현되는 화합물 중에서 선택된 하나 이상의 리튬 금속 산화물을 양극 활물질로 포함하고, 음극 활물질로서, 탄소계 물질, 및/또는 Si을 포함하는 리튬 이차전지의 활성화 공정에 있어서, 상기 활성화 공정은, SOC 10 이상의 1차 충전 과정, 상온 에이징(aging) 과정, 및 고온 에이징(aging) 과정을 포함하고, 상기 고온 에이징 과정은, 상온 초과 내지 섭씨 50 도 이하의 온도의 범위에서 수행하는 것을 특징으로 하는 리튬 이차전지의 제조방법을 제공한다.(1-x)LiM’O2-yAy -xLi2MnO3-y’Ay’ (1)상기 식에서, M’은 MnaMb이고;M은 Ni, Ti, Co, Al, Cu, Fe, Mg, B, Cr, Zr, Zn 및 2주기 전이금속들로 이루어진 군에서 선택되는 하나 이상이며;A는 PO4, BO3, CO3, F 및 NO3의 음이온으로 이루어진 군에서 선택되는 하나 이상이고;0 Подробнее

17-01-2019 дата публикации

3D PATTERN CUTTING MACHINE FOR LITHIUM METAL ELECTRODE

Номер: WO2019013477A2
Принадлежит:

The present invention relates to a 3D pattern cutting machine for a lithium metal electrode and, more specifically, to a 3D pattern cutting machine comprising: a cutting mold punch having a mold suitable for the size of a unit electrode and moving up and down; a die corresponding to the mold punch; a mold blade positioned the periphery of the mold punch so as to cut a lithium metal electrode into a unit electrode; and a 3D pattern positioned at an inside part of the mold punch which contacts the die and has no blade formed thereon. The use of the 3D pattern cutting machine provided by the present invention in producing a lithium metal unit electrode brings about the effect of saving cost and time required for replacing and cleaning a 3D pattern, always constantly engraving shapes of the 3D pattern, and engraving the 3D pattern at the same time as cutting, thereby improving the productivity of a lithium metal electrode.

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05-02-2015 дата публикации

ELECTRODE INCLUDING COATING LAYER FOR PREVENTING REACTION WITH ELECTROLYTE

Номер: WO2015016563A1
Принадлежит:

The present invention provides an electrode for secondary battery in which an electrode mixed layer including electrode active materials are applied on an electrode current collector, and a coating layer including aluminum (Al) and/or alumina(Al2O3) is formed on the electrode mixed layer.

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13-02-2017 дата публикации

표면 처리된 이차전지용 양극 활물질 및 이를 포함하는 리튬 이차전지

Номер: KR0101706298B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 표면 처리된 이차전지용 양극 활물질 및 이를 포함하는 리튬 이차전지에 관한 것으로서, 상세하게는, 코어(core)로서, 리튬 금속 산화물, 리튬 금속 인산화물 및 리튬 금속 불소산화물로 이루어진 군에서 선택된 하나 이상의 화합물 입자 및 쉘(shell)로서, 원자 층 두께의 무기물 층을 포함하는 것을 특징으로 하는 이차전지용 양극 활물질을 제공한다.

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25-03-2016 дата публикации

Electrode and Lithium Secondary Battery Including Porous Electron Conductive Layer

Номер: KR0101606429B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 전류 집전체, 다공성 전자 전도 층, 및 상기 전류 집전체와 다공성 전자 전도 층 사이에 개재되어 있는 전극재 층을 포함하는 것을 특징으로 하는 전극을 제공한다.

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15-04-2016 дата публикации

MULTILAYER-STRUCTURED ELECTRODE AND LITHIUM SECONDARY BATTERY INCLUDING SAME

Номер: KR1020160040830A
Принадлежит:

The present invention relates to a multilayer-structured electrode and a lithium secondary battery including the same. The multilayer-structured electrode includes: a current collector transferring an electron between an external conducting wire and an electrode active material; a primer layer formed on the current collector and including a first binder which binds the current collector and an electrode compound; and a second electrode compound layer formed on the primer layer and including an electrode active material and a second binder. A glass transition temperature (Tg) of the second binder is higher than the glass transition temperature (Tg) of the first binder; and the sum of the thicknesses of the primer layer and the second electrode composition layer is greater than or equal to 80 micrometers. COPYRIGHT KIPO 2016 ...

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09-08-2016 дата публикации

SURFACE-COATED THREE-COMPONENT SYSTEM POSITIVE ELECTRODE ACTIVE MATERIAL FOR HIGH-CAPACITY LITHIUM SECONDARY BATTERY AND HIGH-CAPACITY LITHIUM SECONDARY BATTERY COMPRISING SAME

Номер: KR1020160094063A
Принадлежит:

The present invention relates to a surface-coated Ni-rich three-component system positive electrode active material for a high-capacity lithium secondary battery, which has the reduced phenomena of being cracked or destroyed after a rolling process, and to a high-capacity lithium secondary battery comprising the same. The positive electrode active material comprises: a lithium complex oxide represented by chemical formula 1 of Li_(1+a)Ni_xCo_yMn_(1-x-y)M_bO_2; and a metal or a metal oxide coating layer for coating the surface of the lithium complex oxide. COPYRIGHT KIPO 2016 ...

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06-08-2020 дата публикации

PRESS JIG COMPRISING MAGNET AND BATTERY MODULE COMPRISING SAME

Номер: WO2020159081A1
Принадлежит:

The present invention provides: a press jig for pressing battery cells, the press jig comprising a press unit, which includes a plurality of press plates positioned at the outermost parts of a plurality of battery cells and between the battery cells so as to separate the space in which the plurality of battery cells are embedded and press the plurality of battery cells, and press frames, which are arranged on and beneath the plurality of press plates so as to connect the press plates to each other, wherein all of the plurality of press plates or the other press plates excluding only one press plate positioned at the outermost part of one side are movable in a horizontal direction with respect to a press direction while being connected to the press frames, and a pair of press plates positioned at the outermost parts of both sides, from among the plurality of press plates, include magnets of which opposite polarities face each other; and a battery module having a module case in which a plurality ...

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05-02-2015 дата публикации

ELECTRODE FOR SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Номер: WO2015016540A1
Принадлежит:

The present invention provides an electrode comprising: a current collector having a functional group or radical at the surface thereof, the functional group or radical being combined with an electrode material; and an electrode mixture layer formed on the current collector.

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29-12-2016 дата публикации

METHOD FOR MANUFACTURING LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY MANUFACTURED USING SAME

Номер: WO2016209014A1
Принадлежит:

The present invention provides a method for manufacturing a lithium secondary battery comprising a positive electrode active material, wherein the positive electrode active material contains at least one lithium transition metal oxide selected from compounds represented by chemical formula 1 defined in claim 1, and wherein an activation procedure of the lithium secondary battery is performed while the charge and discharge voltage range and the number of charge and discharge are varied according to the doping amount of M1 in chemical formula 1 below.

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22-02-2016 дата публикации

Lithium Secondary Battery Having Gas Permeable Membrane

Номер: KR0101595740B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 전해질, 전극 적층체, 상기 전해질과 상기 전극 적층체를 내장하는 공간부와 상기 공간부를 둘러싸고 있는 밀봉부를 포함하는 전지 케이스, 및 가스 투과막을 포함하는 것을 특징으로 하는 리튬 이차전지를 제공한다.

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04-11-2015 дата публикации

CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF

Номер: KR0101564131B1
Автор: 이윤경, 박정환, 하회진
Принадлежит: 주식회사 엘지화학

... 본 발명은 리튬이차전지용 양극활물질 및 그 제조방법에 관한 것으로, 더욱 상세하게는 Mn-rich의 표면을 LBO 유리로 코팅함으로써, 고속 충, 방전 사이클 조건에서의 급격한 용량 저하를 방지하고 사이클 특성 및 수명 특성을 개선하며, 양극 슬러리 제조에 사용되는 용매의 양을 현저히 절감할 수 있는 리튬이차전지용 양극활물질 및 그 제조방법에 관한 것이다.

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28-03-2013 дата публикации

HIGH CAPACITY ANODE ACTIVE MATERIAL AND RECHARGEABLE LITHIUM BATTERY COMPRISING SAME

Номер: WO2013042957A1
Принадлежит:

The present invention relates to a rechargeable lithium battery, and is adapted to provide: a CDMO (Composite Dimensional Manganese Oxide) of formula 1 below, which has high capacity and long life characteristics but is difficult to charge and discharge by itself; an anode active material which has high capacity and outstanding lifespan characteristics while being inexpensive, by mixing a transition-metal oxide having a high irreversible capacity into the CDMO; and a rechargeable lithium battery comprising same. [Chemical formula 1] xMnO2·(1-x)Li2MnO3 (0 Подробнее

23-11-2016 дата публикации

수명 특성이 향상된 이차전지용 음극 활물질

Номер: KR0101678815B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 수명 특성이 향상된 이차전지용 음극 활물질에 관한 것으로서, 상세하게는, 실리콘(Si), 및 비정질 하드 카본(hard carbon), 또는 저결정성 소프트 카본(soft carbon)을 포함하는 이차전지용 음극 활물질을 제공한다.

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11-02-2016 дата публикации

Non-aqueous lithium secondary battery

Номер: KR0101593119B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 양극 활물질로 망간계 화합물이 사용된 리튬 이차전지에 있어서 전해액 부반응이 억제되고 망간 용출로 인한 열화가 억제된 리튬 이차전지에 관한 것으로, 활물질 표면에 안정적인 LiF 막이 형성되어 전해액과의 부반응이 억제되며 HF의 발생이 최소화되어 망간 용출이 최소화되고 최적화된 이온 전도도 및 비용 절감의 효과를 갖는 리튬 이차전지에 관한 것이다.

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16-06-2016 дата публикации

Anode for Preventing Dissolution of Manganese and Battery Cell Having the Same

Номер: KR0101631127B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 양극 단자가 연결되어 있는 하나 이상의 양극들; 제 1 음극 단자가 연결되어 있는 하나 이상의 제 1 음극들; 제 2 음극 단자가 연결되어 있는 하나 이상의 제 2 음극들; 및 양극과 제 1 음극 또는 제 2 음극 사이, 또는 양극과 제 1 음극 또는 제 2 음극 사이 및 제 1 음극과 제 2 음극 사이에 각각 개재되어 있는 분리막들을 포함하는 전극조립체가 전해액과 함께 전지케이스의 내부에 밀봉되어 있는 것을 특징으로 하는 전지셀를 제공한다.

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05-02-2015 дата публикации

METHOD FOR PRE-LITHIATING ANODE ELECTRODE

Номер: WO2015016482A1
Принадлежит:

The present invention relates to a method for pre-lithiating an anode electrode, and specifically provides a method for pre-lithiating an anode electrode, in which a roll formed by rolling together an anode electrode and copper (Cu) foil to which metal Lithium (Li) is rolled on both surfaces thereof is submerged in an electrolyte solution to pre-lithiate the surface of the anode electrode.

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11-01-2018 дата публикации

MULTILAYER ELECTROLYTE CELL, SECONDARY BATTERY COMPRISING MULTILAYER ELECTROLYTE CELL AND MANUFACTURING METHOD THEREFOR

Номер: WO2018009018A1
Принадлежит:

The present invention relates to techniques regarding a multilayer electrolyte cell, a secondary battery comprising the multilayer electrolyte cell and a manufacturing method therefor, and more specifically to a multilayer electrolyte cell in which electrolyte is composed of multiple layers by laminating a solid ceramic electrolyte having ionic liquid, and a polymer coating layer having liquid electrolyte onto a base having a porous structure, a secondary battery comprising the multilayer electrolyte cell and a manufacturing method therefor.

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02-09-2010 дата публикации

STEREOSCOPIC PRESENTATION SYSTEM

Номер: KR2010098508A1
Принадлежит:

The present invention relates to a stereoscopic presentation system, and more specifically to a stereoscopic presentation system which can show documents stereoscopically by compiling text, pictures, diagrams or moving images, which constitute two-dimensional objects, into 3-dimensional objects which are output on a stereoscopic image display unit. A stereoscopic presentation system according to one embodiment of the present invention comprises: a two-dimensional object compiling unit for compiling text, pictures, diagrams or moving images, which constitute two-dimensional objects; a three-dimensional object compiling unit for compiling the input two-dimensional objects into three-dimensional objects having a set binocular disparity; a three-dimensional object storage unit for storing the three-dimensional objects; and a stereoscopic image display unit for outputting the three-dimensional objects stored in the three-dimensional object storage unit.

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26-04-2018 дата публикации

가상화면과 현실화면을 동시에 표시해주는 입체영상 에이치엠디 장치 및 이를 이용한 영상표시방법

Номер: KR0101838501B1
Автор: 최재광, 하회진
Принадлежит: 주식회사 레드로버

... 본 발명은 입체영상 에이치엠디 장치에 관한 것으로, 보다 상세하게는 상황에 따라 때로는 가상화면을 보여주기도 하고 때로는 가상화면과 현실화면을 동시에 보여줄 수 있도록 구현된 입체영상 에이치엠디 장치에 관한 것이다.본 발명의 실시예에 따른 가상화면과 현실화면을 동시에 표시해주는 입체영상 에이치엠디 장치는 케이스의 소정 부위에 장착되며, 좌안영상을 촬영하기 위한 좌안카메라 및 우안영상을 촬영하기 위한 우안카메라로 이루어져 현실화면을 촬영하는 카메라장치, 가상화면에 대한 우안영상과 좌안영상을 생성하기 위한 입체영상 생성장치, 상기 가상화면 및 상기 현실화면을 표시하기 위한 디스플레이 장치, 상기 케이스의 소정 부위에 장착되어 상기 케이스의 움직임 및 기울기를 감지하기 위한 움직임 감지센서 및 상기 움직임 감지센서에서 감지된 기울기 값에 따라 상기 디스플레이 장치에 상기 가상화면만을 표시하거나 또는 상기 가상화면과 상기 현실화면을 동시에 표시하는 화면선택부를 포함하고, 상기 화면선택부는 상기 움직임 감지센서에 의해 감지된 기울기 값이 미리 설정된 임계값을 넘어설 경우 상기 디스플레이 장치의 화면을 가상화면 영역과 현실화면 영역으로 분할하고, 상기 현실화면 영역에 상기 현실화면을 표시하며, 상기 가상화면과 상기 현실화면은 입체영상으로 표시되는 것을 특징으로 한다.

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27-04-2018 дата публикации

LITHIUM SECONDARY BATTERY

Номер: KR1020180043183A
Принадлежит:

The present invention relates to a lithium secondary battery. More specifically, the present invention relates to a lithium secondary battery, which has an anode, a cathode, a safety-reinforcing separator (SRS) separation membrane disposed between the anode and the cathode, and an electrolyte. The SRS separation membrane has nitrided lithium provided in the separation membrane or on a surface thereof. Therefore, the lithium secondary battery according to the present invention has the nitrided lithium provided in the SRS separation membrane in order to improve an initial high irreversible volume of the cathode. Thus, performance and durability of the lithium secondary battery can be increased. COPYRIGHT KIPO 2018 ...

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14-10-2016 дата публикации

이중 표면 처리층을 포함하는 이차전지용 양극 활물질 및 이의 제조 방법

Номер: KR0101666391B1
Автор: 하회진, 김원정, 이병배
Принадлежит: 주식회사 엘지화학

... 본 발명은 이중 표면 처리층을 포함하는 이차전지용 양극 활물질 및 이의 제조 방법에 관한 것으로, 더욱 상세하게는 리튬 전이금속 산화물 입자; 상기 리튬 전이금속 산화물 입자의 표면에 형성된 1차 표면 처리층; 및 상기 1차 표면 처리층의 전부 또는 일부가 표면 개질되어 형성된 2차 표면 처리층; 을 포함하는 것을 특징으로 하는 이차전지용 양극 활물질 및 이의 제조 방법에 관한 것이다.

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05-02-2015 дата публикации

SECONDARY BATTERY TO WHICH ELECTROLYTE CAN BE ADDITIONALLY SUPPLIED

Номер: WO2015016479A1
Принадлежит:

The present invention relates to a secondary battery to which electrolyte can be additionally supplied, and more specifically to a secondary battery characterized by having an electrode assembly comprising a cathode, an anode, and a separation film interposed the cathode and the anode, and a built-in porous elastic body, in the interior of a battery case, capable of being impregnated with electrolyte.

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12-04-2018 дата публикации

SEPARATION FILM FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY INCLUDING SAME

Номер: WO2018066960A1
Принадлежит:

The present invention relates to a separation film for a lithium ion secondary battery, and to a battery including the separation film, in which the irreversible capacity of a negative electrode is compensated by the separation film. The separation film according to the present invention comprises a composite particle (A), and the composite particle (A) comprises a core part, which includes a lithium composite metal oxide particle, and a shell layer that covers at least a portion of the surface of the core part with a carbon material. In the composite particle (A), lithium is deintercalated at 0.1 V -2.5 V (vs. Li+/Li). The battery has a positive electrode potential of 3 V or more (vs. Li+/Li), and the driving voltage of the battery is 2.5 V to 4.5 V.

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11-04-2019 дата публикации

METHOD FOR MANUFACTURING SECONDARY BATTERY USING LITHIUM METAL AS NEGATIVE ELECTRODE

Номер: WO2019013478A3
Принадлежит:

The present invention relates to a method for manufacturing a secondary battery using a lithium metal as a negative electrode, and is directed to a method for manufacturing a lithium secondary battery, the method being characterized in that an oxide film on a surface of the lithium metal is removed by partial discharge before initial charge at the time of an activation process. Here, the discharge current density at the time of the partial discharge is preferably in a range of 0.01-3 mA/cm2. In the present invention, the oxide film formed on the surface of the lithium metal is removed through initial partial discharge, thereby minimizing a reduction in ion conductivity and allowing a lithium precipitation reaction to be uniform, leading to an improvement in battery cycle performance.

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11-04-2019 дата публикации

3D PATTERN CUTTING MACHINE FOR LITHIUM METAL ELECTRODE

Номер: WO2019013477A3
Принадлежит:

The present invention relates to a 3D pattern cutting machine for a lithium metal electrode and, more specifically, to a 3D pattern cutting machine comprising: a cutting mold punch having a mold suitable for the size of a unit electrode and moving up and down; a die corresponding to the mold punch; a mold blade positioned the periphery of the mold punch so as to cut a lithium metal electrode into a unit electrode; and a 3D pattern positioned at an inside part of the mold punch which contacts the die and has no blade formed thereon. The use of the 3D pattern cutting machine provided by the present invention in producing a lithium metal unit electrode brings about the effect of saving cost and time required for replacing and cleaning a 3D pattern, always constantly engraving shapes of the 3D pattern, and engraving the 3D pattern at the same time as cutting, thereby improving the productivity of a lithium metal electrode.

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22-06-2017 дата публикации

리튬 이차 전지

Номер: KR0101750213B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 리튬 망간계 산화물 양극 활물질; 탄소계 음극 활물질; 및 리튬테트라플루오로보레이트(Lithium tetrafluoroborate; LiBF4); 및 비닐리덴 카보네이트계 화합물을 포함하는 비수성 전해액을 포함하는 리튬 이차 전지를 제공한다. 본 발명의 리튬 이차 전지는 고전압에서 전해액과의 부반응을 줄이고, 고용량 발현을 유지하면서 전해액 내에서 용출되는 전이 금속으로 인한 전지의 퇴화를 방지하여 사이클 특성과 고온 저장 특성을 향상시킬 수 있다.

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05-04-2016 дата публикации

Lithium Secondary Battery having Electrode Terminal Comprising Wood's Metal

Номер: KR0101608631B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 양극 활물질이 도포되지 않은 양극 탭들이 각각 형성되어 있는 하나 이상의 양극들; 음극 활물질이 도포되지 않은 음극 탭들이 각각 형성되어 있는 하나 이상의 음극들; 및 상기 양극과 음극 사이에 각각 개재되어 있는 하나 이상의 분리막들;을 포함하는 전극조립체가 전해액과 함께 전지케이스의 내부에 밀봉되어 있고, 상기 양극 탭들 및 음극 탭들은 전지케이스의 외부로 돌출된 양극 리드 및 음극 리드에 각각 연결되어 있으며, 상기 양극 탭들, 음극 탭들, 양극 리드, 및 음극 리드로 이루어진 군으로부터 선택되는 하나 이상의 전극 단자가 우드메탈(wood's metal)로 이루어진 것을 특징으로 하는 이차전지를 제공한다.

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05-02-2015 дата публикации

ELECTRODE COMPRISING DIFFERENT ELECTRODE MATERIAL LAYERS AND LITHIUM SECONDARY BATTERY

Номер: WO2015016554A1
Принадлежит:

The present invention provides an electrode comprising a current collector and an electrode material layer formed on the current collector, the electrode material layer comprising first and second electrode material layers which include different electrode active materials.

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30-04-2018 дата публикации

다공성 실리콘을 포함하는 이차전지용 음극 활물질 및 이를 포함하는 리튬 이차전지

Номер: KR0101852762B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 다공성 실리콘을 포함하는 이차전지용 음극 활물질 및 이를 포함하는 리튬 이차전지에 관한 것으로서, 상세하게는, 공극률이 80% 이하인 다공성 실리콘(Si)을 포함하고 있는 것을 특징으로 하는 이차전지용 음극 활물질 및 이를 포함하는 이차전지를 제공한다.

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09-01-2020 дата публикации

NEGATIVE ELECTRODE FOR LITHIUM METAL BATTERY, METHOD FOR MANUFACTURING SAME, AND LITHIUM METAL BATTERY COMPRISING SAME

Номер: WO2020009435A1
Принадлежит:

The present invention relates to a negative electrode for a lithium metal battery, a method for manufacturing same, and a lithium metal battery comprising same. More particularly, the negative electrode for a lithium metal battery is manufactured in one embodiment of the present invention, the negative electrode comprising: a negative electrode current collector; and a protective layer positioned above the negative electrode current collector and comprising a halogen-based flame retardant, ceramic, and an organic binder. However, in the protective layer, the ceramic/organic binder volume ratio is limited to a certain range.

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23-06-2016 дата публикации

METHOD FOR PREPARING SECONDARY BATTERY ELECTRODE CONTAINING PTC MATERIAL, AND ELECTRODE PREPARED THEREBY

Номер: WO2016099038A1
Принадлежит:

The present invention relates to: a method for preparing a secondary battery electrode containing a positive temperature coefficient (PTC) material and an electrode prepared thereby, the method for preparing an electrode comprising the steps of: (a) applying a first slurry, in which a first mixture and a solvent are mixed, to one surface of a planar current collector such that a PTC material is generated thereon after drying; (b) applying a second slurry, in which a solvent and a second mixture containing an electrode active material are mixed, to the undried first slurry, applied to the current collector; and (c) drying the first slurry and the second slurry applied to the current collector.

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31-10-2017 дата публикации

이중의 양극 활물질층을 포함하는 양극 및 이를 포함하는 리튬 이차전지

Номер: KR0101792750B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 하기 화학식 1로 표현되는 화합물과 하기 화학식 2로 표현되는 화합물 중에서 선택된 하나 이상의 리튬 금속 산화물을 포함하는 제1 양극 활물질층을 양극 집전체 상에 포함하고, 상기 제1 양극 활물질층 위에 하기 화학식 3으로 표현되는 리튬 철 포스페이트를 포함하는 제2 양극 활물질층을 포함하는 양극 및 이러한 양극을 포함하는 리튬이차전지를 제공한다. [화학식 1] LixMyMn2-yO4-zAz 상기 식에서, 0.9≤x≤1.2, 0 Подробнее

10-06-2016 дата публикации

BATTERY CELL HAVING FIXING MEMBER INSTALLED ON OUTER SURFACE OF BATTERY CASE AND METHOD FOR MANUFACTURING SAME

Номер: KR1020160066202A
Принадлежит:

The present invention relates to a battery cell and a method for manufacturing the same, capable of preventing the reduction of battery capacity while improving the performance of the battery cell. The battery cell includes: a stacked type electrode assembly in which electrode sheets are wound while interposing separators therebetween or a stacked / folded type electrode assembly in which a plurality of electrodes or unit cells wound by separation films are stacked in the height direction on the basis of a plane; a battery case which seals the electrode assembly and electrolyte; and a fixing member which covers the outer circumference of the battery case battery except for one side of electrode terminals, and consists of a thermosetting polymer resin to enable to resist against a volume change of the electrode assembly during charging and discharging operations or against an increase of volume by the gas generated from the inside of the battery case. COPYRIGHT KIPO 2016 ...

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14-11-2019 дата публикации

LITHIUM METAL SECONDARY BATTERY WITH IMPROVED SAFETY, AND BATTERY MODULE INCLUDING SAME

Номер: WO2019216713A1
Принадлежит:

The present invention relates to a lithium metal secondary battery comprising: an electrode assembly provided with a cathode, a lithium metal anode, and a separator interposed between the cathode and the lithium metal anode; and a nonaqueous electrolyte solution impregnated in the electrode assembly. The present invention relates to a lithium metal secondary battery and a battery module including same, the lithium metal secondary battery further comprising a protective layer interposed between the lithium metal anode and the separator, wherein the protective layer includes a polymer having sulfur chain groups.

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05-04-2016 дата публикации

Anode Electrodes for Secondary Battery having High Capacity

Номер: KR0101608635B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 고용량의 이차전지용 음극에 관한 것으로서, 상세하게는, 고용량 비정질 하드 카본(hard carbon), 및 저결정성 소프트 카본(soft carbon)을 포함하는 음극 활물질, 및 바인더를 포함하는 음극 합제가 음극 집전체 상에 도포되어 있고, 상기 음극 합제층은 리튬을 포함하고 있는 것을 특징으로 하는 이차전지용 음극을 제공한다.

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06-08-2020 дата публикации

BATTERY ASSEMBLY INCLUDING BATTERY CELLS CAPABLE OF BEING SIMULTANEOUSLY PRESSED MECHANICALLY AND MAGNETICALLY

Номер: WO2020159082A1
Принадлежит:

The present invention provides a battery assembly in which battery cells can be pressed, the battery assembly comprising: a plurality of battery cells; a pressing part including a plurality of pressing plates and pressing frames, the pressing plates being positioned on the outermost portions of the plurality of battery cells and between the battery cells to partition spaces in which the battery cells are contained, and pressing the plurality of battery cells, and the pressing frames being above and below the plurality of pressing plates and connecting the pressing plates to each other; and a driving part for moving the pressing part in order to press the plurality of battery cells by means of the pressing plates. All of the plurality of pressing plates, or all of the pressing plates except for one pressing plate positioned on the outermost portion of one side can move in the pressing direction and the horizontal direction while connected to the pressing frames. Among the plurality of pressing ...

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08-02-2018 дата публикации

모션 시스템 및 이를 제어하는 방법

Номер: KR0101825951B1
Автор: 하회진, 안정수, 전창수
Принадлежит: 주식회사 레드로버

... 본 발명은 모션시스템 및 이를 제어하는 방법에 관한 것으로, 의자를 포함한 물체를 3차원 운동시키도록 설치된 구동장치를 포함하고, 이 구동장치는 물체에 로드엔드 베어링 방식으로 일측부가 장착된 푸시로드를 포함한 동작부;와, 푸시로드의 타측부에 3차원 운동을 위한 동력을 전달하기 위한 구성으로, 동력원에 의해 회전하도록 연계 설치된 제1회전축과, 푸시로드의 타측부에 체결되면서 제1회전축이 관통하여 체결된 조인트어셈블리를 포함한 구동부;를 포함하여 이루어진다.

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05-02-2015 дата публикации

METHOD FOR PREPARING POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY

Номер: WO2015016621A1
Принадлежит:

The present invention provides a method for preparing a positive electrode active material for a lithium secondary battery, the method comprising: a step of pre-activation of at least one lithium transition metal oxide selected from compounds represented by chemical formula (1) below; and a step of surface modification of the pre-activated lithium transition metal oxide. (1-x)LiM'O2-yAy-xLi2MnO3-y'Ay'(1), wherein M' is MnaMb; M is at least one selected from the group consisting of Ni, Ti, Co, Al, Cu, Fe, Mg, B, Cr, Zr, Zn, and transition metals of period 2 in the periodic table; A is at least one selected from the group consisting of negative ions of PO4, BO3, CO3, F, and NO3; and 0 < x < 1, 0 < y ≤ 0.02, 0 < y' ≤ 0.02, 0.5 ≤ a ≤ 1.0, 0 ≤ b ≤ 0.5, and a + b = 1.

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18-01-2019 дата публикации

리튬 금속 전극용 3D 패턴 타발기

Номер: KR1020190006210A
Автор: 윤종건, 하회진, 우경화
Принадлежит:

... 본 발명은 리튬 금속 전극용 3D 패턴 타발기에 관한 것으로, 보다 상세하게는 단위 전극의 크기에 맞는 금형을 가지고 상하 운동을 하는 타발 금형 펀치; 상기 금형 펀치에 대응되는 다이; 상기 금형 펀치의 가장자리에 위치하여 리튬 금속 전극을 단위 전극으로 타발하는 금형 날; 및 상기 금형 펀치의 다이와 맞닿는 안쪽 부분이면서 날이 형성되지 않은 부분에 위치하는 3D 패턴; 을 포함하는 3D 패턴 타발기에 관한 것이다. 본 발명에서 제공하는 3D 패턴 타발기에 의하여 리튬 금속 단위전극을 생산하게 되면 3D 패턴 교체 및 청소에 있어 비용 및 시간이 절감되고, 3D 패턴의 형상이 항상 일정하게 새겨지며, 타발과 동시에 3D 패턴이 새겨져 리튬 금속 전극의 생산성이 향상되는 효과가 있다.

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11-03-2010 дата публикации

STEREOSCOPIC IMAGE DISPLAY DEVICE AND STEREOSCOPIC IMAGE DISPLAY SYSTEM

Номер: KR2010027155A2
Автор: HA, Hoe Jin, KIM, Jung Hoi
Принадлежит:

The present invention relates to a stereoscopic image display device and to a stereoscopic image display system. More particularly, the present invention relates to a stereoscopic image display device in which a polarizing film and a panel contained in a display are not separated from each other to prevent the degradation of color and the view angle, and relates to a stereoscopic image display system which enables a user to observe both stereoscopic images and planar images at the same time with the two eyes thereof even when the user is wearing polarizing eyeglasses.

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23-02-2016 дата публикации

Electrode Assembly Including Ion Adsorption Film for Preventing Deposition of Manganese and Secondary Battery Having the Same

Номер: KR0101596493B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 양극, 음극, 상기 양극과 음극 사이에 개재되는 분리막, 및 상기 양극과 분리막 사이 또는 음극과 분리막 사이에 개재되는 이온 흡착막을 포함하는 전극조립체를 제공한다.

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15-12-2017 дата публикации

3D IMAGE HMD DEVICE TO SIMULTANEOUSLY DISPLAY VIRTUAL CONTENT AND REAL CONTENT AND METHOD TO DISPLAY IMAGE USING SAME

Номер: KR1020170138230A
Принадлежит:

The present invention relates to a 3D image HMD device, and more specifically, relates to a 3D image HMD device which sometimes displays virtual content and other times displays virtual content and real content at the same time in accordance with circumstances. According to the present invention, the 3D image HMD device to simultaneously display virtual content and real content comprises: a case; a camera unit mounted on a certain part of the case to film real content; a display unit which displays virtual content and real content; a 3D image generation unit which generates a right eye image and left eye image for virtual content; a motion sensor mounted on a certain part of the case to detect motion and gradient of the case; and a content select unit which displays only virtual content or simultaneously displays virtual content and real content on the display unit in accordance with the gradient value detected by the motion sensor. When the gradient value of the case detected by the motion ...

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04-04-2017 дата публикации

VIRTUAL REALITY SYSTEM CAPABLE OF REALIZING FOUR-DIMENSIONAL EFFECT AND METHOD FOR TREATING FOUR-DIMENSIONAL EFFECT

Номер: KR101722947B1
Принадлежит: REDROVER CO., LTD.

Disclosed are a virtual reality system capable of realizing a four-dimensional effect and a method for treating the four-dimensional effect. According to the present invention, the virtual reality system can provide a four-dimensional effect of making a user feel an event generated in a virtual space through the touch. Furthermore, when a real motion occurs and a posture of the user is changed so that the user controls the virtual space, the system can provide a four-dimensional effect in a desired position by tracing the posture of the user. COPYRIGHT KIPO 2017 (110) Display device (130) Tracking sensor (150) Four-dimensional realizing device (151) Injector (153) Driving unit (170) Computer device (171) Virtual reality processing unit (173) Tracking processing unit (175) Four-dimensional control unit (177) Injection angle calculation unit (179) Device control unit ...

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17-02-2016 дата публикации

Pre-lithiation Method of Anode Electrodes

Номер: KR0101594784B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 음극 전극의 전리튬화 방법에 관한 것으로서, 상세하게는, 음극 전극, 분리막, 및 금속 리튬(Li)이 양면에 압연된 알루미늄 호일(Al foil)을 함께 감은 롤(roll)을 전해액 용액에 담그고, 상기 롤에 전류를 흘려주거나, 전압을 걸어 충전함으로써 음극 전극의 표면을 리튬화시키는 것을 특징으로 하는 음극 전극의 전리튬화 방법을 제공한다.

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31-05-2016 дата публикации

ELECTRODE SLURRY FOR SECONDARY BATTERY CONTAINING TWO TYPES OF CONDUCTIVE MATERIALS AND SECONDARY BATTERY INCLUDING SAME

Номер: KR1020160060933A
Принадлежит:

The present invention relates to an electrode slurry for a secondary battery and a secondary battery including the same, the electrode slurry including an electrode active material, a conductive material, and a dispersion medium, wherein the conductive material includes a dendrite-type carbon-based material (A), and a carbon nano-tube (B), so that the electrode slurry has high dispersibility and miscibility with respect to an aqueous solvent. COPYRIGHT KIPO 2016 ...

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11-04-2016 дата публикации

Electrode and Lithium Secondary Battery Having Different Electrode Material Layers

Номер: KR0101610924B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 전류 집전체 및 상기 전류 집전체 상에 형성되는 전극재 층을 포함하고, 상기 전극재 층은 전극 활물질이 서로 상이한 제 1 전극재 층과 제 2 전극재 층을 포함하는 것을 특징으로 하는 전극을 제공한다.

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26-03-2025 дата публикации

ELECTRODE AND SECONDARY BATTERY COMPRISING THE SAME

Номер: KR102786593B1
Принадлежит: 주식회사 엘지에너지솔루션

The present invention relates to an electrode and a secondary battery including the same, the electrode including an electrode active material layer, the electrode active material layer including an electrode active material and a conductive agent, the conductive agent including: a point-type conductive agent; and a carbon nanotube structure in which 2 to 5,000 single-walled carbon nanotube units are bonded to each other, wherein the carbon nanotube structure has an average length of 1 um to 500 um, and the carbon nanotube structure is contained in the electrode active material layer in an amount of 0.01 wt% to 5.0 wt%.

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03-05-2016 дата публикации

Secondary Battery Having Crown Ether Compound for Preventing Deposition of Manganese and the Same

Номер: KR0101617418B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 전해액; 및 양극, 음극, 상기 양극과 음극 사이에 개재되는 분리막, 및 상기 양극과 분리막 사이 또는 음극과 분리막 사이에 개재되고 크라운 에테르 화합물을 함유하는 흡착막을 포함하는 전극조립체;을 포함하는 이차전지를 제공한다.

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19-10-2017 дата публикации

접착력이 개선된 리튬 이차전지용 전극

Номер: KR0101788232B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 전극 활물질과 바인더를 포함하는 전극 합제가 집전체에 코팅되어 있는 이차전지용 전극에 관한 것으로, 상세하게는, 유리전이온도(Tg)가 하기 제 2 바인더보다 낮은 제 1 바인더와 전극 활물질을 포함하고 있고, 집전체 상에 코팅되어 있는 제 1 전극 합제층; 및 유리전이온도(Tg)가 상기 제 1 바인더보다 높은 제 2 바인더와 전극 활물질을 포함하고 있고, 상기 제 1 전극 합체층 상에 코팅되어 있는 제 2 전극 합제층; 을 포함하는 것을 특징으로 하는 이차전지용 전극에 관한 것이다.

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22-07-2015 дата публикации

ELECTRODE COMPRISING DIFFERENT ELECTRODE MATERIAL LAYERS AND LITHIUM SECONDARY BATTERY

Номер: KR1020150084734A
Принадлежит:

The present invention provides an electrode comprising a current collector and an electrode material layer formed on the current collector, the electrode material layer comprising a first electrode material layer and a second electrode material layer which have different electrode active materials. According to the present invention, an electrode active material comprises a different first electrode material layer and the second electrode material layer, it is possible to increase the low-temperature output and energy density. COPYRIGHT KIPO 2015 ...

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02-11-2016 дата публикации

POSITIVE ELECTRODE ACTIVE MATERIAL PARTICLES COMPRISING AT LEAST ONE COATING LAYER, AND PREPARATION METHOD THEREOF

Номер: KR1020160126840A
Принадлежит:

The present invention relates to positive electrode active material particles, and to a preparation method thereof. The positive electrode active material particles comprises: a core including lithium-containing metal oxide which can occlude and discharge lithium ions; a first coating layer placed on an outer surface of the core, and containing a first metal oxide for improving electrical conductivity of the positive electrode active material; and a second coating layer placed on an outer surface of the first coating layer, and containing a second metal oxide for stabilizing the surface of the positive electrode active material particles against an electrolyte. COPYRIGHT KIPO 2016 (CC) RuO_2 layer to improve electrical conductivity (BB) AI_2O_3 layer to stabilize a surface (AA) Aluminum foil (Collector) ...

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12-10-2016 дата публикации

MULTILAYERED ELECTRODE HAVING TWO TYPES OF PORES AND PREPARATION METHOD THEREOF

Номер: KR1020160118586A
Принадлежит:

Provided is a multilayer electrode, and a preparation method thereof. More particularly, the multilayer electrode comprises: an electrode current collector which transfers electrons between an external wire and an electrode active material; and at least three layers of electrode mixed layers sequentially applied on the electrode current collector. Each of the electrode mixed layers includes an electrode active material and an electrically conductive material. Among electrode mixed layers nearby, the porosity of an electrode mixed layer located relatively close to the current collector based on the direction of forming the electrode mixed layers is smaller than the porosity of an electrode mixed layer located relatively farther from the current collector. COPYRIGHT KIPO 2016 ...

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19-12-2017 дата публикации

SECONDARY BATTERY AND BATTERY PACK

Номер: KR1020170139305A
Принадлежит:

The present invention relates to a secondary battery. The secondary battery comprises: an electrode assembly; a case in which the electrode assembly is housed; a first electrode lead and a second electrode lead coupled to the electrode assembly and extending to the outside of the case; and a short generation device generating short by connecting the first electrode lead and the second electrode lead when the electrode assembly generates heat above a predetermined temperature. Therefore, temperature rise is suppressed to increase safety. COPYRIGHT KIPO 2018 ...

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19-01-2018 дата публикации

두 가지 형태의 도전재를 포함하는 이차전지용 전극 슬러리 및 이를 포함하는 이차전지

Номер: KR0101820446B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 전극 활물질, 도전재 및 분산매를 포함하고 있는 전극 슬러리로서, 상기 도전재는 덴드라이트형 카본계 물질 (A) 및 탄소나노튜브 (B)를 포함하여 수계 용매와 분산성 및 혼화성이 높은 이차전지용 전극 슬러리 및 이를 포함하는 이차전지에 관한 것이다.

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29-10-2015 дата публикации

Computer readable medium having random story screening program and computing apparatus having the medium

Номер: KR0101563948B1
Автор: 최재광, 하회진
Принадлежит: 주식회사 레드로버

... 본 발명은 스토리 랜덤 전개 프로그램이 저장된 컴퓨터로 읽을 수 있는 매체 및 그 메체를 갖는 컴퓨팅 장치에 관한 것으로, 보다 구체적으로는 시간대별로 서로 다른 스토리의 부분영상을 랜덤하게 출력하여 관객이 다양한 스토리의 영상을 관람할 수 있게 하는 스토리 랜덤 전개 프로그램이 저장된 컴퓨터로 읽을 수 잇는 매체 및 그 매체를 갖는 컴퓨팅 장치에 관한 것이다.

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14-02-2018 дата публикации

THREE-AXIS FOUR-DIMENSIONAL MOTION SYSTEM AND CONTROL METHOD THEREOF

Номер: KR1020180015950A
Принадлежит:

The present invention relates to a 3-axis 4-dimensional motion system and a control method thereof. The system includes a driving device installed to move an object including a chair three-dimensionally. In a first embodiment of the present invention, the driving device is configured in a two-axis motion and one-axis fixing structure including: a first operating portion; a driving portion configured to transmit power for a three-dimensional motion to the other side portion of a push rod; and a second operating portion. In a second embodiment of the present invention, the driving device is configured in a three-axis motion structure including: a first operating portion; and a driving portion configured to transmit power for a three-dimensional motion to the other side portion of the push rod. COPYRIGHT KIPO 2018 ...

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21-02-2018 дата публикации

SECONDARY BATTERY AND BATTERY PACK

Номер: KR1020180018050A
Принадлежит:

The present invention relates to a secondary battery with improved safety. The secondary battery comprises: an electrode assembly; a battery case in which the electrode assembly is accommodated; a first and a second electrode lead coupled to the electrode assembly, and withdrawn out of the battery case; and a short creating device to connect the first and the second electrode lead to create a short if the electrode assembly is heated to a set temperature or higher. The short creating device comprises: a first switch which is connected to the first electrode lead and has a first contact terminal; a second switch which is connected to the second electrode lead and has a second contact terminal facing the first contact terminal; and a short creating member to separate the first and the second contact terminal to prevent the first and the second contact terminal from coming in contact with each other below a set temperature, and bring the first and the second contact terminal into contact with ...

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24-10-2017 дата публикации

ELECTRODE SLURRY FOR SECONDARY BATTERY CONTAINING TWO TYPES OF CONDUCTIVE MATERIALS AND SECONDARY BATTERY COMPRISING SAME

Номер: KR1020170117980A
Принадлежит:

The present invention relates to electrode slurry containing an electrode active material, a conductive material, and a dispersion medium, wherein the conductive material includes a dendrite carbon-based material (A) and carbon nanotubes (B), and is excellent in dispersibility and miscibility with an aqueous solvent. The present invention also relates to a secondary battery comprising the electrode slurry. COPYRIGHT KIPO 2017 ...

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15-02-2016 дата публикации

LITHIUM SECONDARY BATTERY COMPRISING SACRIFICIAL SALT

Номер: KR1020160015708A
Принадлежит:

The present invention relates to a lithium secondary battery having improved energy density and improved lifespan properties. An electrode assemble of a structure having a separator interposed between a positive electrode where a positive electrode mixture is applied onto a positive electrode current collector and a negative electrode where a negative electrode mixture is applied onto a negative electrode current collector is embedded in a battery case while being impregnated in a non-aqueous electrolyte containing a lithium salt. The lithium secondary battery comprises: at least one of the positive electrode, the separator, and the non-aqueous electrolytes which has oxidation potential of less than or equal to 5 V in comparison with lithium; and sacrificial salts having reduction potential of less than or equal to 0 V. COPYRIGHT KIPO 2016 ...

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17-09-2015 дата публикации

CATHODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Номер: WO2015137744A1
Принадлежит:

The present invention provides a cathode active material comprising at least one compound selected from the following chemical formula 1, and a lithium secondary battery comprising the same, thereby improving lifetime characteristics and rate properties while exhibiting excellent safety: xLi2MyMn(1-y)O3-zAz*(1-x)LiM'O2-z'A'z' (1) wherein M is at least one selected from the group consisting of Ru, Mo, Nb, Te, Re, Ir, Pt, Cr, S, W, Os, and Po; M' is at least one selected from the group consisting of Ni, Ti, Co, Al, Mn, Fe, Mg, B, Cr, Zr, Zn and transition metals of period II; A and A' are each independently a minus monovalent or minus bivalent anion; and 0 Подробнее

26-04-2017 дата публикации

LITHIUM SECONDARY BATTERY HAVING SACRIFICIAL SALT

Номер: KR1020170045173A
Принадлежит:

The present invention contains an electrode assembly, having a separation film interposed between a positive electrode coated with positive electrode mixture on a positive electrode current collector and a negative electrode coated with negative electrode mixture on a negative electrode current collector, the electrode assembly being built-in in a battery case and embedded in a non-aqueous electrolyte containing lithium salt, wherein at least one of the positive electrode, the separation film, and the non-aqueous electrolyte comprises sacrificial salt having oxidation potential of 5 V or less compared to lithium, and reduction potential of 0 V or less, to provide a lithium secondary battery with improved energy density and lifetime characteristics. COPYRIGHT KIPO 2017 ...

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07-12-2015 дата публикации

Electrode and Lithium Secondary Battery Having Different Electrode Material Layers

Номер: KR0101574965B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 전류 집전체 및 상기 전류 집전체 상에 형성되는 전극재 층을 포함하고, 상기 전극재 층은 전극 활물질이 서로 상이한 제 1 전극재 층과 제 2 전극재 층을 포함하는 것을 특징으로 하는 전극을 제공한다.

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29-01-2018 дата публикации

리튬 이차전지의 제조방법 및 이를 사용하여 제조되는 리튬 이차전지

Номер: KR0101822991B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 양극 활물질을 포함하는 리튬 이차전지를 제조하는 방법으로서, 상기 양극 활물질은 하기 화학식 1로 표현되는 화합물 중에서 선택된 하나 이상의 리튬 전이금속 산화물을 포함하며; 상기 리튬 이차전지는 4.0V 내지 4.8V 범위에서 5회 내지 20회의 충전 및 방전을 반복하여 수행하는 활성화 과정을 거치는 것을 특징으로 하는 리튬 이차전지의 제조방법을 제공한다.(1-x)LiM’O2-yAy -xLi2MnO3-y’Ay’ (1)상기 식에서, M’은 MnaMb이고;M은 Ni, Ti, Co, Al, Cu, Fe, Mg, B, Cr, Zr, Zn 및 2주기 전이금속들로 이루어진 군에서 선택되는 하나 이상이며;A는 PO4, BO3, CO3, F 및 NO3의 음이온으로 이루어진 군에서 선택되는 하나 이상이고;0 Подробнее

01-06-2018 дата публикации

외면에 고정 부재가 형성되어 있는 전극조립체 및 이의 제조 방법

Номер: KR0101863988B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 집전체의 일면 또는 양면에 전극 활물질층이 도포되어 있는 복수 개의 양극 및 음극이 분리막이 개재된 상태로 적층되어 전극 적층체를 이루고 있고; 상기 양극 및 음극에는 각각 집전체에 전극 활물질이 도포되어 있지 않은 무지부로 구성된 전극 탭부가 일측 또는 양측 방향으로 돌출되어 있으며; 상기 전극 탭부를 제외한 전극 적층체의 외면에는, 충방전시 전극 적층체의 부피 변화에 저항할 수 있도록 고분자 수지로 이루어진 고정부재가 밀착되어 있고; 상기 고정부재는 고정부재의 외부와 전극 적층체 간에 전해액이 유통할 수 있는 복수 개의 관통 개구들을 포함하고 있는 것을 특징으로 하는 전극조립체를 제공한다.

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19-01-2018 дата публикации

음극 전극의 전리튬화 방법

Номер: KR0101820463B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 음극 전극의 전리튬화 방법에 관한 것으로서, 상세하게는, 음극 전극과, 금속 리튬(Li)이 양면에 압연된 구리 호일(Cu foil)을 함께 감은 롤(roll)을 전해액 용액에 담가 음극 전극의 표면을 리튬화시키는 것을 특징으로 하는 음극 전극의 전리튬화 방법을 제공한다.

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19-10-2016 дата публикации

가스 투과막을 포함하는 리튬 이차전지

Номер: KR0101667521B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 전해질; 하나 이상의 양극, 하나 이상의 음극, 및 하나 이상의 분리막을 포함하고, 양극, 분리막, 음극이, 양극과 음극 사이에 분리막이 개재되도록 적층되어 있는 적층 구조를 포함하는 전극 적층체; 상기 전해질과 상기 전극 적층체를 내장하는 공간부와 상기 공간부를 둘러싸고 있는 밀봉부를 포함하는 전지 케이스; 를 포함하고 있으며, 상기 전지 케이스는 제 1 케이스와 상기 제 1 케이스와 결합하여 전지 케이스를 밀봉하는 제 2 케이스를 포함하고 있고, 상기 제 1 케이스와 상기 제 2 케이스는, 내부 실란트 층, 베리어 층, 및 외부 피복층을 포함하는 라미네이트 시트로 이루어져 있으며, 상기 제 1 케이스와 상기 제 2 케이스 중 하나 이상은 전부 또는 일부가 다공성의 라미네이트 시트로 이루어진 것을 특징으로 하는 리튬 이차전지를 제공한다.

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05-02-2015 дата публикации

ANODE ACTIVE MATERIAL FOR SECONDARY BATTERY HAVING IMPROVED LIFESPAN

Номер: WO2015016531A1
Принадлежит:

The present invention relates to an anode active material for a secondary battery having an improved lifespan, and specifically, provides an anode active material, for a secondary battery, comprising silicon (Si), amorphous hard carbon, or low-crystalline soft carbon.

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25-01-2017 дата публикации

NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY HAVING IMPROVED LOW-TEMPERATURE PROPERTIES AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Номер: KR1020170009472A
Принадлежит:

The present invention relates to a negative electrode for a lithium secondary battery and a lithium secondary battery comprising the same. The negative electrode for a lithium secondary battery comprises a negative electrode active material storing and emitting lithium; a binder; and a negative electrode mixture including a negative electrode additive containing sulfur (S) elements, wherein the negative electrode mixture is spread on a current collector. For initial charging and discharging to activate a lithium secondary battery, a passive state film, which lowers initial resistance, is formed on the surface of a negative electrode. COPYRIGHT KIPO 2017 (AA) Capacity per weight (BB) Example 1 (CC) Example 3 (DD) Comparative example 3 (EE) Example 2 (FF) Comparative example 1 (GG) Comparative example 2 (HH) Negative electrode additive weight ...

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18-07-2019 дата публикации

METHOD FOR FABRICATION OF LITHIUM METAL SECONDARY BATTERY COMPRISING LITHIUM ELECTRODE

Номер: WO2019139424A1
Принадлежит:

The present invention relates to a method for fabrication of a lithium metal secondary battery comprising a lithium metal electrode as an anode, wherein the lithium metal electrode has a protecting layer formed thereon and stripping occurs on the surface of the lithium metal electrode by discharging prior to early charging upon an activation process of the lithium metal secondary battery.

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23-02-2016 дата публикации

LITHIUM SECONDARY BATTERY COMPRISING GAS PERMEABLE MEMBRANE

Номер: KR1020160020463A
Принадлежит:

The present invention provides a lithium secondary battery comprising: an electrolyte; an electrode laminate which includes at least one positive electrode, at least one negative electrode, and at least one separator, and includes a laminated structure where the positive electrode, the separator, and the negative electrode are laminated in order to interpose the separator between the positive electrode and the negative electrode; and a battery case including a space part in which the electrolyte and the electrode laminate are embedded, and a sealing part surrounding the space part. The battery case comprises a first case and a second case which is coupled to the first case and seals the battery case, wherein the first case and the second case are composed of a laminate sheet comprising an inner sealant layer, a barrier layer, and an outer coating layer. In addition, the whole or a part of at least one of the first case and the second case is composed of a porous laminate sheet. COPYRIGHT ...

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05-01-2017 дата публикации

리튬 이차전지의 제조방법 및 이를 사용하여 제조되는 리튬 이차전지

Номер: KR0101692795B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 하기 화학식 (1)로 표현되는 화합물 중에서 선택된 하나 이상의 리튬 금속 산화물을 양극 활물질로 포함하는 리튬 이차전지의 활성화 공정에 있어서, 상기 활성화 공정은, SOC 10 이상으로 충전하여 음극상에 SEI(Solid electrolyte interface)막을 형성하는 1차 충전 과정, 가스 제거 과정, 상온 에이징(aging) 과정, 및 고온 에이징(aging) 과정을 포함하고, 상기 가스 제거 과정은, 1차 충전 과정 이후, 상온 에이징 과정 이전에 수행하는 것을 특징으로 하는 리튬 이차전지 제조방법을 제공한다.(1-x)LiM’O2-yAy -xLi2MnO3-y’Ay’ (1)상기 식에서, M’은 MnaMb이고;M은 Ni, Ti, Co, Al, Cu, Fe, Mg, B, Cr, Zr, Zn 및 2주기 전이금속들로 이루어진 군에서 선택되는 하나 이상이며;A는 PO4, BO3, CO3, F 및 NO3의 음이온으로 이루어진 군에서 선택되는 하나 이상이고;0 Подробнее

10-06-2016 дата публикации

ELECTRODE ASSEMBLY HAVING FASTENING MEMBER FORMED ON OUTER SURFACES OF ELECTRODE ASSEMBLY, AND METHOD FOR MANUFACTURING SAME

Номер: KR1020160066215A
Принадлежит:

The present invention provides an electrode assembly having a fastening member formed on outer surfaces of an electrode assembly, which can suppress expansion of a fuel cell and can prevent generation of excessive gas. According to the present invention, provided is an electrode assembly, wherein a plurality of positive electrodes and negative electrodes in which electrode active material layers are applied to one surface or both surfaces of a current collector are stacked with separators interposed therebetween, thereby forming an electrode stack; electrode tabs composed of uncoated portions of current collectors which are not coated with electrode active material are projected from the positive electrodes and negative electrodes in one side direction or in both side directions; a fastening member made of polymer resin to resist changes in volume of the electrode stack during charging and discharging is brought into tight contact with outside surfaces of the electrode stack exclusive of ...

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10-10-2019 дата публикации

LITHIUM METAL SECONDARY BATTERY HAVING IMPROVED LIFETIME PERFORMANCE

Номер: WO2019194581A1
Принадлежит:

The present invention relates to a lithium metal secondary battery comprising a cathode, an anode and a separator interposed between the cathode and the anode, and further comprising a protective layer interposed between the anode and the separator, wherein the protective layer has an additive, which is a mixture of hexagonal boron nitride (BN) flakes and an ionomer containing a sulfur (S)-containing anion group and fluorine (F), added thereto.

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23-08-2016 дата публикации

양극활물질의 전처리 방법

Номер: KR0101650568B1

... 본 발명은 양극활물질의 전처리 방법에 관한 것으로, 보다 상세하게는 초기 활성화를 위해 고전압에서의 포메이션이 필수적이며 이러한 활성화 과정에서 큰 비가역 용량과 더불어 다량의 가스가 발생하는 양극재인 Mn-rich에, 환원 처리와 더불어 Li소모 처리를 수행함으로써, Mn-rich 재료의 저전압에서의 활성화를 가능케하고 초기 비가역 용량을 줄이며 용량 및 수명 특성을 개선시킨 양극활물질의 전처리 방법, 이에 따라 전처리된 양극활물질 및 상기 양극활물질을 포함하는 리튬이차전지에 관한 것이다.

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18-09-2015 дата публикации

Metal-doped cathode active material

Номер: KR0101550956B1

... 본 발명은 리튬 전이금속 산화물에 금속이 도핑되어 있는 리튬 이차전지용 양극 활물질에 관한 것이다. 구체적으로, 본 발명에서는 모폴로지의 변화 없이도 우수한 고율 특성을 나타내는 양극 활물질, 그의 제조방법 및 이러한 양극 활물질을 포함하는 리튬 이차전지를 제공한다.

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04-01-2018 дата публикации

RECHARGEABLE BATTERY AND MANUFACTURING METHOD THEREOF

Номер: KR1020180001189A
Принадлежит:

The present invention relates to a rechargeable battery which can endure high temperature and high pressure by having increased mechanical strength of a battery case and a manufacturing method thereof. A rechargeable battery according to the present invention comprises: an electrode assembly in which an electrode and a separation membrane are alternately stacked; and a battery case having an accommodation unit accommodating the electrode assembly, a sealing unit and a sewing unit on the outer circumference surface, and a coating unit on the outer surface of the sewing unit. COPYRIGHT KIPO 2018 ...

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30-09-2015 дата публикации

POSITIVE ELECTRODE ACTIVE MATERIAL, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Номер: KR1020150108761A
Принадлежит:

The present invention provides a positive electrode active material having one or more compounds selected from chemical formula 1, and a lithium secondary battery comprising the positive electrode active material, which exhibits excellent stability and can improve lifespan and rate properties. Li[Li_xM_yM′_(1-x-y)]O_(2-z)A_z (1). In the chemical formula 1, M is one or more elements selected from the group consisting of Ru, Mo, Nb, Te, Re, Ir, Pt, Cr, S, W, Os, and Po; M′ is one or more elements selected from the group consisting of Ni, Ti, Co, Al, Mn, Fe, Mg, B, Cr, Zr, Zn and second period transition metals; A is a -1 or -2 charged negative ion; and 0 Подробнее

28-12-2015 дата публикации

Electrode for Secondary Battery and Lithium Secondary Battery Comprising the Same

Номер: KR0101580484B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 표면에 전극재와 결합하는 기능기(functional group) 또는 라디칼이 구비된 전류 집전체 및 상기 전류 집전체 상에 형성되는 전극 합재 층을 포함하는 것을 을 특징으로 하는 전극을 제공한다.

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09-09-2016 дата публикации

에너지 밀도가 향상된 전극 활물질 및 이를 포함하는 리튬 이차전지

Номер: KR0101656076B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 하기 화학식 (1)로 표현되는 화합물과 하기 화학식 (2)로 표현되는 화합물 중에서 선택된 하나 이상의 리튬 금속 산화물 입자 및 하기 화학식 (3)으로 표현되는 리튬 금속 인산화물 입자를 포함하는 것을 특징으로 전극 활물질을 제공한다.LixMyMn2-yO4-zAz (1) 상기 식에서, 0.9≤x≤1.2, 0 Подробнее

11-03-2010 дата публикации

STEREOSCOPIC IMAGE DISPLAY DEVICE AND STEREOSCOPIC IMAGE DISPLAY SYSTEM

Номер: WO2010027155A3
Автор: HA, Hoe Jin, KIM, Jung Hoi
Принадлежит:

The present invention relates to a stereoscopic image display device and to a stereoscopic image display system. More particularly, the present invention relates to a stereoscopic image display device in which a polarizing film and a panel contained in a display are not separated from each other to prevent the degradation of color and the view angle, and relates to a stereoscopic image display system which enables a user to observe both stereoscopic images and planar images at the same time with the two eyes thereof even when the user is wearing polarizing eyeglasses.

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02-02-2016 дата публикации

EMBEDDED FIBER OPTIC CABLES FOR BATTERY MANAGEMENT

Номер: KR1020160012074A
Принадлежит:

The present invention relates to embedded fiber optic cables for battery management. A battery comprises a folded bicell battery stack with an embedded fiber optic cable and a sensor. A cell case seals the bicell stack and at least one fiber optic cable is embedded within the battery. The fiber optic cable is disposed inside the cell case and comprises an internal portion where at least one optical sensor is disposed. An external portion of the fiber optic cable protrudes from the case. A sealing gasket is at least partially disposed around the fiber optic cable between cell sealing edges at a point of entry of the fiber optic cable into the battery. COPYRIGHT KIPO 2016 (AA) Bicell ...

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15-02-2016 дата публикации

ELECTRODE COMPRISING COATING LAYER FOR PREVENTING REACTION WITH ELECTROLYTE

Номер: KR1020160016986A
Принадлежит:

The present invention relates to an electrode comprising a coating layer for preventing reaction with an electrolyte and, more specifically, to an electrode for a secondary battery in which an electrode mixed layer including an electrode active material is coated on an electrode current collector, and a coating layer including aluminum (Al) and/or alumina (Al_2O_3) is formed on the electrode mixed layer. COPYRIGHT KIPO 2016 (AA) Example 1 (BB) Comparative example 1 (CC) Comparative example 2 ...

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15-04-2016 дата публикации

ELECTRODE WITH IMPROVED ADHESION PROPERTY FOR LITHIUM SECONDARY BATTERY

Номер: KR1020160040817A
Принадлежит:

The present invention relates to an electrode for a secondary battery, wherein an electrode compound including an electrode active material and a binder is coated on a current collector. The electrode for a secondary battery comprises: a first electrode compound layer including a first binder having a glass transition temperature (Tg) lower than that of a second binder below and an electrode active material and coated on the current collector; and a second electrode compound layer including the second binder having the glass transition temperature (Tg) higher than that of the first binder and an electrode active material and coated on the first electrode compound layer. COPYRIGHT KIPO 2016 (AA) Comparative example 1 (BB) Example 1 ...

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31-05-2019 дата публикации

LITHIUM ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Номер: WO2019103282A1
Принадлежит:

The present invention relates to a lithium electrode comprising: a lithium metal layer; an aluminum oxide (Al2O3) layer formed on the lithium metal layer; and a carbon layer formed on the aluminum oxide (Al2O3) layer, and a lithium secondary battery comprising the same. According to the present invention, the aluminum oxide layer can prevent a direct reaction between a nonaqueous electrolyte and the lithium metal layer. Particularly, the aluminum oxide layer has no electrical conductivity and thus causes lithium precipitation between the lithium metal layer and the aluminum oxide layer to prevent a lithium metal from being precipitated on a protection layer. Further, the carbon layer functions to allow a stable SEI film to be formed thereon.

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24-01-2018 дата публикации

MOTION SYSTEM AND METHOD FOR CONTROLLING SAME

Номер: KR1020180007878A
Принадлежит:

The present invention relates to a motion system and a method for controlling the same, and includes a driving device installed so that an object including a chair performs three dimensional movement. The driving device comprises: an operation portion including a push rod mounted with one side portion in the object in a rod-end bearing method; and a driving portion configured to transfer power for three dimensional movement to the other side portion of the push rod, and including a first rotary shaft connectively installed to be rotated by a power source, and a joint assembly fastened to the other side of the push rod and fastened through the first rotary shaft, thereby capable of distributing load and impact applied through the push rod to a plurality of points. COPYRIGHT KIPO 2018 ...

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22-09-2015 дата публикации

CATHODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Номер: KR1020150106851A
Принадлежит:

The present invention provides a cathode active material comprising at least one compound selected from the following chemical formula 1, and a lithium secondary battery comprising the same, thereby improving lifetime characteristics and rate properties while exhibiting excellent safety: xLi_2MyMn_(1-y)O_3-zA_z*(1-x)LiM′O_2-z′A_′z′ (1). In the formula xLi2MyMn(1-y)O3-zAz * (1-x) LiM′O2-z′A′z′ (1), M is at least one selected from the group consisting of Ru, Mo, Nb, Te, Re, Ir, Pt, Cr, S, W, Os, and Po; M′ is at least one selected from the group consisting of Ni, Ti, Co, Al, Mn, Fe, Mg, B, Cr, Zr, Zn and transition metals of period II; A and A′ are each independently a minus monovalent or minus divalent anion; and 0 Подробнее

31-03-2016 дата публикации

METHOD FOR MANUFACTURING LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY MANUFACTURED BY USING SAME

Номер: KR1020160035269A
Принадлежит:

The present invention relates to a method for manufacturing a lithium secondary battery containing a positive electrode active material, and more specifically, to a method for manufacturing a lithium secondary battery, wherein the positive electrode active material comprises at least one lithium transition metal oxide selected from compounds represented by chemical formula 1; and the lithium secondary battery has gone through an activation procedure in which charging and discharging are repeatedly performed 5 to 20 times within the range of 4.0 V to 4.8 V. In the chemical formula 1, M′ is Mn_aM_b; M is at least one selected from the group consisting of Ni, Ti, Co, Al, Cu, Fe, Mg, B, Cr, Zr, Zn, and group II transition metals; A is at least one selected from the group consisting of negative ions of PO_4, BO_3, CO_3, F, and NO_3; 0 Подробнее

03-06-2015 дата публикации

POSITIVE ELECTRODE COMPRISING DOUBLE-LAYER POSITIVE ELECTRODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Номер: KR1020150060376A
Принадлежит:

The present invention relates to a positive electrode comprising a double-layer positive electrode active material and a lithium secondary battery comprising the same. More specifically, provided are a positive electrode and a lithium secondary battery comprising the positive electrode. The positive electrode comprises: a first positive electrode active material layer comprising at least one lithium metal oxide selected from a compound represented by chemical formula 1 and a compound represented by chemical formula 2 on a positive electrode current collector; and a second positive electrode active material layer comprising lithium, iron, and phosphate represented by chemical formula 3 on the top of the first positive electrode active material layer. Accordingly, a lithium secondary battery comprising the positive electrode has improved battery performance and increased durability. COPYRIGHT KIPO 2015 ...

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17-11-2016 дата публикации

양극 활물질과 이를 포함하는 리튬 이차전지

Номер: KR0101675951B1

... 본 발명은 하기 화학식 1에서 선택되는 하나 이상의 화합물을 포함하는 것을 특징으로 하는 양극 활물질 및 이를 포함하는 리튬 이차전지를 제공하여 우수한 안전성을 나타내면서도 수명 특성 및 레이트 특성을 향상시킬 수 있다.xLi2MyMn(1-y)O3-zAz * (1-x) LiM’O2-z’A’z’ (1)상기 식에서, M은 Ru, Mo, Nb, Te, Re, Ir, Pt, Cr, S, W, Os, 및 Po으로 이루어진 군에서 선택되는 1종 이상이고;M’는 Ni, Ti, Co, Al, Mn, Fe, Mg, B, Cr, Zr, Zn 및 2주기 전이금속들로 이루어진 군에서 선택되는 1종 이상이며;A 및 A’는 각각 독립적으로 -1 또는 -2가의 음이온이고; 0 Подробнее

19-09-2018 дата публикации

IMAGE PROCESSING DEVICE FOR MULTI PROJECTOR AND METHOD THEREOF

Номер: KR1020180103277A
Принадлежит:

An image processing device for a multi-projector according to the present invention includes at least one image output unit configured to project a plurality of screen images to construct one content image and output each test image on a screen; a photographing unit for photographing to recognize the plurality of test images on the screen output from the image output unit; an image extracting unit for calculating an overlapping area of a plurality of images through marker recognition in the plurality of test images taken by the photographing unit; and an image generating unit for correcting an image ratio and brightness for image uniformization of the overlapping area calculated by the image extracting unit. According to the present invention, in implementing a single image using a plurality of projectors, an edge blending technique for adjusting an image ratio and brightness for correcting a distorted boundary image in an overlapping area between images, so that one natural image content ...

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17-01-2018 дата публикации

MULTILAYER ELECTROLYTE CELL, RECHARGEABLE BATTERY CONTAINING MULTILAYER ELECTROLYTE CELL AND MANUFACTURING METHOD THEREOF

Номер: KR1020180006202A
Принадлежит:

The present invention relates to a multilayer electrolyte cell, a rechargeable battery containing a multilayer electrolyte cell and a manufacturing method thereof. The multi-layer electrolyte cell consists of multilayered electrolytes by stacking a polymer coating layer including a ceramic solid electrolyte having an ionic liquid and a liquid electrolyte on a porous structure base. As an ionic liquid is immersed in a porous structure base, interfacial resistance between a ceramic solid electrolyte and a positive electrode is reduced and ion conductivity is increased. COPYRIGHT KIPO 2018 ...

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