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    • 43. 发明专利
    • Negative electrode for lithium ion secondary battery and manufacturing method thereof and lithium ion secondary battery
    • 锂离子二次电池用负极及其制造方法及锂离子二次电池
    • JP2013004285A
    • 2013-01-07
    • JP2011133648
    • 2011-06-15
    • Toyota Industries Corp株式会社豊田自動織機
    • KONDO YUJIMIYOSHI MANABUMURASE KIMITOSHI
    • H01M4/131H01M4/1391H01M4/48H01M4/62
    • Y02P70/54
    • PROBLEM TO BE SOLVED: To provide a negative electrode for a lithium ion secondary battery in which discharge rate characteristics can be enhanced by using SiOas a negative electrode active material without requiring a large amount of metal, and to provide a manufacturing method thereof, and a lithium ion secondary battery using the negative electrode.SOLUTION: In the negative electrode for a lithium ion secondary battery, particulate conductors containing a metallic element are arranged more on the surface of a negative electrode active material layer. A method for manufacturing the negative electrode for a lithium ion secondary battery comprises pyrolyzing an acidic resin included in the negative electrode mixture layer to form the particulate conductors containing a metallic element from a metal layer laminated on a negative electrode mixture layer. The conductors are arranged more on the surface of the negative electrode active material layer close to the metal layer.
    • 解决问题:为了提供一种锂离子二次电池用负极,其中通过使用SiO x 可以提高放电速率特性,作为负极活性材料,而没有 需要大量的金属,并提供其制造方法,以及使用该负极的锂离子二次电池。 解决方案:在用于锂离子二次电池的负极中,包含金属元素的颗粒导体更多地布置在负极活性物质层的表面上。 制造锂离子二次电池用负极的方法包括将包含在负极混合层中的酸性树脂热分解,从层叠在负极混合层上的金属层形成含有金属元素的粒状导体。 导体更靠近金属层的负极活性物质层的表面上排列。 版权所有(C)2013,JPO&INPIT
    • 50. 发明专利
    • Active material for nonaqueous secondary battery, and nonaqueous secondary battery
    • 非正常二次电池的活性材料和非常规的二次电池
    • JP2010170865A
    • 2010-08-05
    • JP2009012860
    • 2009-01-23
    • Toyota Industries Corp株式会社豊田自動織機
    • NIWA JUNICHIMURASE KIMITOSHI
    • H01M4/58H01M4/36H01M4/485H01M4/505H01M4/525H01M10/052H01M10/054
    • H01M4/582H01M4/136H01M4/364H01M4/388H01M10/0525
    • PROBLEM TO BE SOLVED: To provide an active material for a nonaqueous secondary battery consisting of a combination of new materials. SOLUTION: The active material for the nonaqueous secondary battery is composed of a mixture of alkali metal salt and a transition metal, and, by charge and discharge, desorbs the alkali metal from a compound which is made by reaction of the alkali metal salt and the transition metal, and regenerates the alkali metal salt and the transition metal from the compound into which the alkali metal is intercalated, thereby, performing reversible oxidation-reduction. By using this active material for the nonaqueous secondary battery, high capacity of the nonaqueous secondary battery can be made. Furthermore, since the active material for the nonaqueous secondary battery includes the alkali metal which works as electrolyte ions, it does not restrict the active material used for the counter electrode. For example, in the lithium ion secondary battery, an electrode containing metal lithium is not necessary, thereby safety is improved. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供由新材料的组合构成的非水二次电池用活性物质。 解决方案:非水系二次电池用活性物质由碱金属盐和过渡金属的混合物组成,通过充放电由碱金属反应制成的化合物解吸碱金属 盐和过渡金属,并且从插入碱金属的化合物中再生碱金属盐和过渡金属,从而进行可逆的氧化还原。 通过将该活性物质用于非水系二次电池,可以制造出非水系二次电池的高容量。 此外,由于用于非水二次电池的活性材料包括作为电解质离子起作用的碱金属,因此不限制用于对电极的活性材料。 例如,在锂离子二次电池中,不需要含有金属锂的电极,从而提高了安全性。 版权所有(C)2010,JPO&INPIT