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    • 6. 发明申请
    • SECONDARY BATTERY
    • 二次电池
    • US20130164605A1
    • 2013-06-27
    • US13820451
    • 2011-06-23
    • Midori ShimuraDaisuke KawasakiMasahiro SuguroYoko HashizumeKazuaki Matsumoto
    • Midori ShimuraDaisuke KawasakiMasahiro SuguroYoko HashizumeKazuaki Matsumoto
    • H01M2/02
    • H01M4/133H01M2/0287H01M4/134H01M4/505H01M4/525H01M4/621H01M10/0525H01M10/0567H01M10/0568H01M10/0569H01M10/0585Y02E60/122Y02T10/7011
    • An object of the present invention is to provide a secondary battery in which the decomposition of an electrolyte liquid is suppressed and the generation of a gas is reduced, even in the case of using a laminate film as a package. The present exemplary embodiment is a secondary battery of a stacked laminate type comprising an electrode assembly in which a positive electrode and a negative electrode are arranged to face each other, an electrolyte liquid, and a package accommodating the electrode assembly and the electrolyte liquid, wherein the negative electrode is made by binding a negative electrode active substance containing a metal (a) capable of being alloyed with lithium, a metal oxide (b) capable of occluding and releasing lithium ions, and a carbon material (c) capable of occluding and releasing lithium ions, to a negative electrode current collector, with at least one selected from polyimides and polyamideimides; and the electrolyte liquid comprises acrylonitrile or an acrylonitrile compound being an acrylonitrile derivative.
    • 本发明的目的是提供一种二次电池,其中即使在使用层压膜作为封装的情况下,电解质液体的分解也被抑制并且气体的产生减少。 本示例性实施例是堆叠层叠型二次电池,其包括电极组件,其中正极和负极彼此相对配置,电解质液体和容纳电极组件和电解质液体的封装,其中 负极通过将含有能够与锂合金化的金属(a)的负极活性物质,能够吸留和释放锂离子的金属氧化物(b)和能够吸留和释放锂的碳材料(c) 使用选自聚酰亚胺和聚酰亚胺的至少一种将锂离子释放到负极集电体; 电解质液体包含丙烯腈或作为丙烯腈衍生物的丙烯腈化合物。