Electrolyte for rechargeable lithium battery and rechargeable lithium battery comprising the same
    34.
    发明授权
    Electrolyte for rechargeable lithium battery and rechargeable lithium battery comprising the same 有权
    用于可充电锂电池和可再充电锂电池的电解液组成

    公开(公告)号:US06541162B1

    公开(公告)日:2003-04-01

    申请号:US09466371

    申请日:1999-12-16

    IPC分类号: H01M616

    摘要: An electrolyte for a rechargeable lithium battery is provided. The electrolyte includes a non-aqueous organic solvent and a lithium salt. The non aqueous organic solvent includes cyclic carbonate such as ethylene carbonate and propylene carbonate, chain carbonate such as dimethyl carbonate, diethyl carbonate, methyl ethyl carbonate and methyl propyl carbonate, and alkyl acetate such as n-methyl acetate, n-ethyl acetate and n-propyl acetate. The electrolyte can be used in a rechargeable lithium battery to provide good low temperature characteristics and safety.

    摘要翻译: 提供了用于可充电锂电池的电解质。 电解质包括非水有机溶剂和锂盐。 非水有机溶剂包括碳酸亚乙酯和碳酸亚丙酯等环状碳酸酯,碳酸二甲酯,碳酸二乙酯,碳酸甲乙酯,碳酸甲丙酯等链状碳酸酯,乙酸正戊酯,正乙酸乙酯,正己酸乙酯等的烷基乙酸酯 乙酸正丙酯。 电解液可用于可充电锂电池,以提供良好的低温特性和安全性。

    POSITIVE ACTIVE MATERIAL COMPOSITION AND POSITIVE ELECTRODE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE INCLUDING THE SAME
    38.
    发明申请
    POSITIVE ACTIVE MATERIAL COMPOSITION AND POSITIVE ELECTRODE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE INCLUDING THE SAME 有权
    电化学装置的正极活性物质组合物和正极,以及包括其的电化学装置

    公开(公告)号:US20120064405A1

    公开(公告)日:2012-03-15

    申请号:US13047739

    申请日:2011-03-14

    摘要: Disclosed are a positive active material composition for an electrochemical device, a positive electrode, and an electrochemical device including the same. The positive active material composition includes: a carbon-based additive including a hydroxyl group (—OH) and an enol group (—C═C—OH) on the surface, having a peak area ratio (OH/C═COH) of a hydroxyl group peak area and an enol group peak area of an infrared spectroscopy (FT-IR) spectrum ranging from about 0.5 to about 10, having a specific surface area of about 50 m2/g to about 3000 m2/g, and having an oxygen-containing heterogeneous element in a content of less than about 15 wt %; a positive active material; a conductive material; and a binder.

    摘要翻译: 公开了一种用于电化学装置,正电极和包括其的电化学装置的正极活性材料组合物。 正极活性物质组合物包括:表面具有羟基(-OH)和烯醇基(-C≡C-OH)的碳基添加剂,其表面积的峰面积比(OH / C = COH) 羟基峰面积和范围为约0.5至约10的红外光谱(FT-IR)光谱的烯醇基峰面积,比表面积为约50m 2 / g至约3000m 2 / g,并具有氧 含量小于约15重量%的异质元素; 正极活性物质; 导电材料; 和粘合剂。

    Lithium secondary battery having an improved polymer electrolyte
    40.
    发明授权
    Lithium secondary battery having an improved polymer electrolyte 有权
    具有改进的聚合物电解质的锂二次电池

    公开(公告)号:US07745053B2

    公开(公告)日:2010-06-29

    申请号:US11406773

    申请日:2006-04-18

    IPC分类号: H01M6/18

    摘要: Lithium secondary batteries having polymer electrolytes are provided. A lithium battery includes a positive electrode including a positive active material capable of intercalating and deintercalating lithium ions, a negative electrode including a negative active material capable of intercalating and deintercalating lithium ions, and a polymer electrolyte. The polymer electrolyte includes a polymer, a non-aqueous organic solvent, and a lithium salt. The polymer electrolyte has a shear strength relative to the positive electrode of about 0.7 N/mm or greater.

    摘要翻译: 提供具有聚合物电解质的锂二次电池。 锂电池包括含有能够嵌入和脱嵌锂离子的正极活性物质的正极,包含能够插入和脱嵌锂离子的负极活性物质的负极和聚合物电解质。 聚合物电解质包括聚合物,非水有机溶剂和锂盐。 高分子电解质相对于正极的剪切强度为约0.7N / mm以上。