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    • 2. 发明申请
    • NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME
    • 非电解电解质二次电池及其制造方法
    • US20150318540A1
    • 2015-11-05
    • US14653909
    • 2013-12-24
    • NITTO DENKO CORPORATION
    • Hiroyoshi TAKEAtsuko MIZUIKEAimi MATSUURAMasao ABE
    • H01M4/137H01M4/60
    • H01M4/137H01M4/136H01M4/1399H01M4/5825H01M4/608H01M4/624H01M10/0525H01M2004/028Y10T29/49117
    • A nonaqueous electrolyte secondary battery is provided, which includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and negative electrode, and an electrolyte solution containing a supporting salt having ion conductivity, wherein the positive electrode comprises a composition containing components (a) and (b) below and satisfying a requirement (α) below, and wherein the negative electrode contains metal lithium and at least one selected from materials capable of lithium ion insertion/desorption:(a) an electrically conductive polymer; (b) a lithium salt formed by substituting a part of a polyanionic acid with lithium; and (α) a molar ratio of a lithium element content in the component (b) to a content of an element involved in a charge/discharge reaction in the component (a) is 0.1 to 1.0. Consequently, the nonaqueous electrolyte secondary battery has an excellent weight energy density and can reduce dependency on electrolyte solution amount.
    • 提供了一种非水电解质二次电池,其包括正极,负极,设置在正极和负极之间的隔膜以及含有具有离子传导性的负载盐的电解质溶液,其中所述正极包括含有组分的组合物 (a)和(b),满足下述要求(α),其中负极含有金属锂和选自能够进行锂离子插入/解吸的材料中的至少一种:(a)导电聚合物; (b)用锂取代一部分聚阴离子形成的锂盐; 和(α)组分(b)中的锂元素含量与组分(a)中充电/放电反应中涉及的元素的含量的摩尔比为0.1至1.0。 因此,非水电解质二次电池具有优异的重量能量密度,并且可以降低对电解质溶液量的依赖性。