Lithium secondary battery
    93.
    发明申请
    Lithium secondary battery 失效
    锂二次电池

    公开(公告)号:US20030124423A1

    公开(公告)日:2003-07-03

    申请号:US10333826

    申请日:2003-01-24

    摘要: The present invention provides a secondary battery which is less expensive, whose safety is extremely high, which is of large capacity as well as good cyclic characteristic, and which uses an aqueous solution for the electrolytic solution. A lithium secondary battery according to the present invention is constituted by including a positive electrode, formed by binding a positive-electrode raw-material mixture including a positive electrode active material, a negative electrode, formed by binding a negative-electrode raw-material mixture including a negative electrode active material, and an electrolytic solution, comprising an aqueous solution in which a lithium salt is dissolved, said positive electrode active material including at least one of a layered structure lithium-manganese composite oxide whose basic composition is LiMnO2 and an olivine structure lithium-iron composite phosphorus oxide whose basic composition is LiFePO4. The present lithium secondary battery can be used in the fields of communication appliances and information-related appliances, and as an electric source for electric automobiles and the like.

    摘要翻译: 本发明提供一种二次电池,该二次电池的安全性极高,容量大,循环特性好,并且使用水溶液作为电解液。 根据本发明的锂二次电池包括:正极,其通过将包含正极活性物质的正极原料混合物,通过将负极原料混合物结合而形成的负极 包括负极活性物质和包含其中溶解有锂盐的水溶液的电解液,所​​述正极活性物质包括基本组成为LiMnO 2的层状结构的锂 - 锰复合氧化物和橄榄石中的至少一种 其基本组成为LiFePO 4的结构锂铁复合氧化磷。 本锂二次电池可用于通信设备和信息相关设备领域,并且可用作电动汽车等的电源。

    Lithium manganese compound oxide and non-aqueous electrolyte secondary battery
    98.
    发明申请
    Lithium manganese compound oxide and non-aqueous electrolyte secondary battery 审中-公开
    锂锰复合氧化物和非水电解质二次电池

    公开(公告)号:US20030091900A1

    公开(公告)日:2003-05-15

    申请号:US09726019

    申请日:2000-11-30

    IPC分类号: H01M004/50 C01G045/12

    摘要: The present invention provides a lithium manganese oxide, wherein a content of sulfur is not more than 0.32% by weight, and an averaged diameter of pores is not less than 120 nanometers, and the lithium manganese oxide is represented by Li1nullxMn2nullxnullyMyO4, where nullMnull is at least one of metals and 0.032nullxnull0.182; 0nullynull0.2, and also provides a non-aqueous electrolyte secondary battery using the above lithium manganese compound oxide as a positive electrode active material.

    摘要翻译: 本发明提供一种锂锰氧化物,其中硫含量不超过0.32重量%,孔的平均直径不小于120纳米,锂锰氧化物由Li1 + xMn2-x- yMyO4,其中“M”是金属中的至少一种,0.032 <= x <= 0.182; 0 <= y <= 0.2,并且还提供使用上述锂锰复合氧化物作为正极活性物质的非水电解质二次电池。

    Non-aqueous electrolyte secondary battery
    99.
    发明申请
    Non-aqueous electrolyte secondary battery 审中-公开
    非水电解质二次电池

    公开(公告)号:US20030073002A1

    公开(公告)日:2003-04-17

    申请号:US10158106

    申请日:2002-05-31

    IPC分类号: H01M004/50 H01M004/52

    摘要: An object of the invention is to provide a non-aqueous electrolyte secondary battery having a plateau in voltage in the 4-V region well comparable to that of lithium cobalt oxide, a high energy density, and cell characteristics such as safety, cycle properties, and high temperature storage properties. nullMeans for Resolutionnull A non-aqueous electrolyte secondary battery according to the present invention comprises a positive electrode containing a positive electrode active material admixed therein a lithium-containing complex oxide having a layered crystalline structure expressed by general formula LiXMnaCobO2(where X is a value of 0.9 or greater but not greater than 1.1, a is a value of 0.45 or greater but not greater than 0.55, b is a value of 0.45 or greater but not greater than 0.55, and the sum of a and b is greater than 0.9 but not greater than 1.1), together with either of a lithium cobalt oxide and a spinel-type lithium manganate; a negative electrode containing a negative electrode active material capable of intercalating and deintercalating lithium ions; a separator separating the positive electrode and the negative electrode; and a non-aqueous electrolyte.

    摘要翻译: 本发明的目的是提供一种在4-V区域中具有与钴酸锂相当的电压的非水电解质二次电池,能量密度高,电池特性如安全性,循环特性, 和高温储存性能。 [解决方法]根据本发明的非水电解质二次电池包括含有正极活性材料的正极,其中含有通过通式LiXMnaCobO2表示的具有层状晶体结构的含锂复合氧化物(其中X为 值为0.9以上且不大于1.1,a为0.45以上且不大于0.55,b为0.45以上且不大于0.55,a与b的和大于0.9 但不大于1.1),以及钴酸锂和尖晶石型锰酸锂中的任一种; 含有能够插入和脱嵌锂离子的负极活性物质的负极; 分离正极和负极的隔板; 和非水电解质。