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    • 1. 发明申请
    • SECONDARY LITHIUM BATTERY
    • 二次锂电池
    • US20110189541A1
    • 2011-08-04
    • US13015061
    • 2011-01-27
    • Kan KITAGAWAToyotaka YuasaTatsuya Tooyama
    • Kan KITAGAWAToyotaka YuasaTatsuya Tooyama
    • H01M4/62H01M4/26
    • H01M4/26H01M4/62Y10T29/49108Y10T29/49115
    • It is an object to provide a cathode for a secondary lithium battery in which adhesiveness and flexibility thereof are simultaneously achieved and the thickness thereof is made large, and the secondary lithium ion battery that has a large capacity and is excellent in safety and cycle life using the cathode.The cathode includes a current collector and a cathode mixture layer formed on the surface of the current collector. The cathode mixture layer is formed by stacking two layers one on another, each of which contains a cathode active material, a conductive material and a binder, and the cathode active material contains a lithium-containing composite oxide that forms a polyanion. Of the two layers, the binder that composes a first layer that is in contact with the current collector contains a polymer formed by polymerizing at least one of monomers consisting of a monomer derived from 1-olefin and a monomer derived from a vinyl compound; and the binder that forms a second layer formed on the first layer contains a fluorine resin.
    • 本发明的目的是提供一种用于二次锂电池的阴极,其中同时实现其粘附性和柔性并且其厚度变大,并且具有大容量并且安全性和循环寿命优异的二次锂离子电池使用 阴极。 阴极包括在集电体的表面上形成的集电体和阴极混合层。 阴极混合层通过层叠两层而形成,其中每层包含阴极活性材料,导电材料和粘合剂,并且阴极活性材料含有形成聚阴离子的含锂复合氧化物。 在两层中,构成与集电体接触的第一层的粘合剂含有通过使由至少一种由1-烯烃衍生的单体和衍生自乙烯基化合物的单体组成的单体聚合而形成的聚合物; 形成在第一层上的第二层的粘合剂含有氟树脂。
    • 3. 发明授权
    • Secondary lithium battery
    • 二次锂电池
    • US08530087B2
    • 2013-09-10
    • US13015061
    • 2011-01-27
    • Kan KitagawaToyotaka YuasaTatsuya Tooyama
    • Kan KitagawaToyotaka YuasaTatsuya Tooyama
    • H01M4/62H01M4/50H01M4/52
    • H01M4/26H01M4/62Y10T29/49108Y10T29/49115
    • It is an object to provide a cathode for a secondary lithium battery in which adhesiveness and flexibility thereof are simultaneously achieved and the thickness thereof is made large, and the secondary lithium ion battery that has a large capacity and is excellent in safety and cycle life using the cathode.The cathode includes a current collector and a cathode mixture layer formed on the surface of the current collector. The cathode mixture layer is formed by stacking two layers one on another, each of which contains a cathode active material, a conductive material and a binder, and the cathode active material contains a lithium-containing composite oxide that forms a polyanion. Of the two layers, the binder that composes a first layer that is in contact with the current collector contains a polymer formed by polymerizing at least one of monomers consisting of a monomer derived from 1-olefin and a monomer derived from a vinyl compound; and the binder that forms a second layer formed on the first layer contains a fluorine resin.
    • 本发明的目的是提供一种用于二次锂电池的阴极,其中同时实现其粘附性和柔性并且其厚度变大,并且具有大容量并且安全性和循环寿命优异的二次锂离子电池使用 阴极。 阴极包括在集电体的表面上形成的集电体和阴极混合层。 阴极混合层通过层叠两层而形成,其中每层包含阴极活性材料,导电材料和粘合剂,并且阴极活性材料含有形成聚阴离子的含锂复合氧化物。 在两层中,构成与集电体接触的第一层的粘合剂含有通过使由至少一种由1-烯烃衍生的单体和由乙烯基化合物衍生的单体聚合而形成的聚合物, 形成在第一层上的第二层的粘合剂含有氟树脂。