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公开(公告)号:US08951435B2
公开(公告)日:2015-02-10
申请号:US11688358
申请日:2007-03-20
申请人: Jens M Paulsen , Hong-Kyu Park , Sun Sik Shin , Sinyoung Park , Hyeyun Cha
发明人: Jens M Paulsen , Hong-Kyu Park , Sun Sik Shin , Sinyoung Park , Hyeyun Cha
CPC分类号: C01G53/50 , C01P2006/40 , H01M4/505 , H01M4/525 , Y02E60/122 , Y02P70/54
摘要: Provided is a cathode material for a lithium secondary battery, comprising a heat-treated mixture of an oxide powder (a) represented by Formula I and an oxide powder (b) represented by Formula II, wherein a mixing ratio of the oxide powder (a):oxide powder (b) is in a range of 30:70 to 90:10, the oxide powder (a) is monolithic particles having a D50 of more than 10 μm, and the oxide powder (b) is agglomerated particles having a D50 of less than 10 μm, and heat treatment is carried out at a temperature of 400° C. or higher. LiCoO2 (I) LizMO2 (II) wherein 0.95
摘要翻译: 本发明提供一种锂二次电池用正极材料,其特征在于,含有由式I表示的氧化物粉末(a)和式II表示的氧化物粉末(b)的热处理混合物,其中,氧化物粉末(a ):氧化物粉末(b)的比例范围为30:70〜90:10,氧化物粉末(a)为D50大于10μm的整体颗粒,氧化物粉末(b)为具有 D50小于10μm,在400℃以上的温度进行热处理。 LiCoO2(I)LizMO2(II)其中0.95
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公开(公告)号:US20080026292A1
公开(公告)日:2008-01-31
申请号:US11688358
申请日:2007-03-20
申请人: Jens Paulsen , Hong-Kyu Park , Sun SHIN , Sinyoung PARK , Hyeyun CHA
发明人: Jens Paulsen , Hong-Kyu Park , Sun SHIN , Sinyoung PARK , Hyeyun CHA
IPC分类号: H01M4/52
CPC分类号: C01G53/50 , C01P2006/40 , H01M4/505 , H01M4/525 , Y02E60/122 , Y02P70/54
摘要: Provided is a cathode material for a lithium secondary battery, comprising a heat-treated mixture of an oxide powder (a) represented by Formula I and an oxide powder (b) represented by Formula II, wherein a mixing ratio of the oxide powder (a):oxide powder (b) is in a range of 30:70 to 90:10, the oxide powder (a) is monolithic particles having a D50 of more than 10 μm, and the oxide powder (b) is agglomerated particles having a D50 of less than 10 μm, and heat treatment is carried out at a temperature of 400° C. or higher. LiCoO2 (I) LizMO2 (II) wherein 0.95
摘要翻译: 本发明提供一种锂二次电池用正极材料,其特征在于,包含由式I表示的氧化物粉末(a)和式II表示的氧化物粉末(b)的热处理混合物,其中,氧化物粉末(a ):氧化物粉末(b)的比例范围为30:70〜90:10,氧化物粉末(a)为D50大于10um的整体颗粒,氧化物粉末(b)为具有 D50小于10微米,并且在400℃或更高的温度下进行热处理。 <?in-line-formula description =“In-line Formulas”end =“lead”?> LiCoO 2(I)<?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”????????????(II) ?in-line-formula description =“In-line formula”end =“tail”?>其中0.95
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