Method for preparing positive active material for rechargeable lithium battery and positive active material prepared by same
    3.
    发明授权
    Method for preparing positive active material for rechargeable lithium battery and positive active material prepared by same 有权
    用于制备可再充电锂电池的正极活性材料和由其制备的正极活性材料的方法

    公开(公告)号:US07326498B2

    公开(公告)日:2008-02-05

    申请号:US10996724

    申请日:2004-11-22

    IPC分类号: H01M4/58

    摘要: Disclosed is a method of preparing a positive active material for a rechargeable lithium battery including adding first and second compounds to a solvent to prepare an acidic solution with a pH from 0.01 to 3, the first compound including an element that is capable of forming a double bond with an oxygen of a lithium metal oxide, and the second compound including at least one element selected from the group consisting of alkali metals, alkali earth metals, group 13 elements, group 14 elements, transition metals and rare-earth elements; adding a lithium-containing compound to the acidic coating solution to coat the lithium-containing compound; and heat-treating the coated lithium-containing compound to form a surface-treatment layer comprising a compound represented by the formula MXOk where M is an element selected from the group consisting of alkali metals, alkali earth metals, group 13 elements, group 14 elements, transition metals, rare-earth elements and combinations thereof; X is an element that is capable of forming a double bond with oxygen; and k is an integer from 2 to 4.

    摘要翻译: 公开了一种制备用于可再充电锂电池的正极活性材料的方法,包括将第一和第二化合物加入到溶剂中以制备pH为0.01至3的酸性溶液,所述第一化合物包括能够形成双 与锂金属氧化物的氧结合,所述第二化合物包括选自碱金属,碱土金属,第13族元素,第14族元素,过渡金属和稀土元素中的至少一种元素; 向酸性涂料溶液中加入含锂化合物以涂覆含锂化合物; 并且对所述涂覆的含锂化合物进行热处理以形成表面处理层,所述表面处理层包含由式MXO compound表示的化合物,其中M是选自碱金属,碱土金属 ,第13族元素,第14族元素,过渡金属,稀土元素及其组合; X是能够与氧形成双键的元素; k为2〜4的整数。

    Method for preparing positive active material for rechargeable lithium battery and positive active material prepared by same
    8.
    发明申请
    Method for preparing positive active material for rechargeable lithium battery and positive active material prepared by same 有权
    用于制备可再充电锂电池的正极活性材料和由其制备的正极活性材料的方法

    公开(公告)号:US20050118511A1

    公开(公告)日:2005-06-02

    申请号:US10996724

    申请日:2004-11-22

    摘要: Disclosed is a method of preparing a positive active material for a rechargeable lithium battery including adding first and second compounds to a solvent to prepare an acidic solution with a pH from 0.01 to 3, the first compound including an element that is capable of forming a double bond with an oxygen of a lithium metal oxide, and the second compound including at least one element selected from the group consisting of alkali metals, alkali earth metals, group 13 elements, group 14 elements, transition metals and rare-earth elements; adding a lithium-containing compound to the acidic coating solution to coat the lithium-containing compound; and heat-treating the coated lithium-containing compound to form a surface-treatment layer comprising a compound represented by the formula MXOk where M is an element selected from the group consisting of alkali metals, alkali earth metals, group 13 elements, group 14 elements, transition metals, rare-earth elements and combinations thereof; X is an element that is capable of forming a double bond with oxygen; and k is an integer from 2 to 4.

    摘要翻译: 公开了一种制备用于可再充电锂电池的正极活性材料的方法,包括将第一和第二化合物加入到溶剂中以制备pH为0.01至3的酸性溶液,所述第一化合物包括能够形成双 与锂金属氧化物的氧结合,所述第二化合物包括选自碱金属,碱土金属,第13族元素,第14族元素,过渡金属和稀土元素中的至少一种元素; 向酸性涂料溶液中加入含锂化合物以涂覆含锂化合物; 并且对所述涂覆的含锂化合物进行热处理以形成表面处理层,所述表面处理层包含由式MXO compound表示的化合物,其中M是选自碱金属,碱土金属 ,第13族元素,第14族元素,过渡金属,稀土元素及其组合; X是能够与氧形成双键的元素; k为2〜4的整数。

    Fuel cell module
    10.
    发明授权
    Fuel cell module 有权
    燃料电池模块

    公开(公告)号:US09147887B2

    公开(公告)日:2015-09-29

    申请号:US12833772

    申请日:2010-07-09

    IPC分类号: H01M4/02 H01M8/02 H01M4/90

    摘要: A tubular fuel cell module having improved current collecting efficiency. In one embodiment, the fuel cell module includes: a fuel cell unit; a first current collector extending along an outer side of the fuel cell unit; and a second current collector wound around the first current collector and around the outer side of the fuel cell unit. Here, the outer side of the fuel cell unit is a curved outer side, the first current collector has a curved inner side facing the curved outer side of the fuel cell unit, and the curved inner side of first current collector is shaped to match the curved outer side of the fuel cell unit.

    摘要翻译: 一种具有改进的集流效率的管状燃料电池模块。 在一个实施例中,燃料电池模块包括:燃料电池单元; 沿燃料电池单元的外侧延伸的第一集电体; 以及围绕所述第一集电体并且围绕所述燃料电池单元的外侧缠绕的第二集电体。 这里,燃料电池单元的外侧是弯曲的外侧,第一集电体具有面对燃料电池单元的弯曲外侧的弯曲内侧,第一集电体的弯曲内侧成形为与 燃料电池单元的弯曲的外侧。