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公开(公告)号：KR100369445B1
公开(公告)日：2003-01-24
申请号：KR1020000020158
申请日：2000-04-17
Applicant: 한국과학기술원
IPC: H01M4/38
Abstract: 본 발명은 리튬이차전지의 양극전극용 리튬망간계 산화물의 코팅재 및 그의 코팅방법에 관한 것으로 보다 상세하게는 리튬전이금속 산화물을 리튬망간계 산화물 표면에 코팅함으로써 고온전극수명 및 고속방전효율이 향상된 리튬망간계 산화물의 코팅재 및 그 코팅방법에 관한 것이다.
본 발명의 리튬이차전지의 양극전극용 리튬망간계 산화물(LiMn
2-X M
X O
4 : 0 2 , LiNiO
2 , LiNi
1-X Co
X O
2 , LiNi
1-XY Co
X M
Y O
2 , LiCo
1-X M
X O
2 , LiNi
1-X M
X O
2 , LiMn
2-X M
X O
4 : 0Abstract translation: 公开了一种锂二次电池中的正极用锂锰氧化物的表面处理方法，更具体地说，涉及锂锰氧化物的表面被锂过渡金属氧化物覆盖的表面处理方法。 使用包覆的锂锰氧化物作为负极材料的锂二次电池不仅解决了常规锂二次电池在高温下电极寿命和排脂效率方面的问题，而且还替代了常规昂贵的钴酸锂 降低生产成本。
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公开(公告)号：KR1020020010843A
公开(公告)日：2002-02-06
申请号：KR1020000044367
申请日：2000-07-31
Applicant: 한국과학기술원
IPC: H01M4/02
Abstract: PURPOSE: Provided is a method for coating a high crystalline carbon material used for a cathode active material of a lithium ion secondary battery with a carbon material having excellent surface-characteristics, thereby the lithium ion secondary battery has high energy density and high performance. CONSTITUTION: The high crystalline carbon material is coated with a pyrolytic carbon by performing the heat-decomposition of hydrocarbon gas by a tumbling chemical vapor deposition method, wherein the high crystalline carbon material is one selected from the group consisting of natural graphite, Kish graphite, SFG series, highly oriented pyrolytic graphite, mesophase pitch based carbon fiber(MPCF), and MCMB series and the hydrocarbon gas is one selected from the group consisting of LPG, methane, butane, and benzene.
Abstract translation: 目的：提供一种用具有优异表面特性的碳材料涂覆锂离子二次电池用正极活性物质的高结晶性碳材料的方法，锂离子二次电池具有高能量密度和高性能。 构成：高结晶碳材料通过转动化学气相沉积法进行碳氢化合物气体的热分解而涂覆有热解碳，其中高结晶碳材料选自天然石墨，石灰石， SFG系列，高取向热解石墨，中间相沥青基碳纤维（MPCF）和MCMB系列，烃类气体选自LPG，甲烷，丁烷和苯。
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公开(公告)号：KR1020010096191A
公开(公告)日：2001-11-07
申请号：KR1020000020158
申请日：2000-04-17
Applicant: 한국과학기술원
IPC: H01M4/38
Abstract: PURPOSE: Provided is a coating material for coating the surface of lithium manganese-based oxides which are used as an anode material for a lithium secondary battery, thereby, high temperature battery lifetime and high rate discharge efficiency can be improved. CONSTITUTION: The coating material is lithium transition metal oxides such as LiCoO2, LiNiO2, LiNi1-xCoxO2, LiNi1-x-yCoxMyO2, LiCo1-xMxO2, LiNi1-xMxO2, LiMn2-xMxO4, wherein M is one selected from Al, Fe, Mn, V, Cr, Cu, Ti, W, Ta, Mg, and Mo and 0
Abstract translation: 目的：提供用作锂二次电池的负极材料的锂锰系氧化物的表面涂布用涂料，能够提高高温电池寿命，高效率的排出效率。 构成：涂层材料是LiCoO2，LiNiO2，LiNi1-xCoxO2，LiNi1-x-yCoxMyO2，LiCo1-xMxO2，LiNi1-xMxO2，LiMn2-xMxO4等锂过渡金属氧化物，其中M为选自Al，Fe，Mn， V，Cr，Cu，Ti，W，Ta，Mg和Mo，0
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