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    • 10. 发明授权
    • Anode and battery
    • 阳极和电池
    • US07459233B2
    • 2008-12-02
    • US11670249
    • 2007-02-01
    • Isamu KonishiikeTomoo TakadaKenichi KawaseYukio Miyaki
    • Isamu KonishiikeTomoo TakadaKenichi KawaseYukio Miyaki
    • H01M4/36
    • H01M4/134H01M4/38H01M4/386H01M4/66H01M4/661H01M4/667H01M4/70H01M10/0431H01M10/052H01M2004/027Y10T428/12806Y10T428/12944
    • The invention provides an anode capable of relaxing stress due to expansion and shrinkage of an anode active material layer associated with charge and discharge, or an anode capable of reducing structural destruction of the anode active material layer and reactivity between the anode active material layer and an electrolyte associated with charge and discharge, and a battery using it. The anode active material layer contains an element capable of forming an alloy with Li, for example, at least one from the group consisting of simple substances, alloys, and compounds of Si or Ge. An interlayer containing a material having superelasticity or shape-memory effect is provided between an anode current collector and the anode active material layer. Otherwise, the anode current collector is made of the material having superelasticity or shape-memory effect. Otherwise, a thin film layer containing the material having superelasticity or shape-memory effect is formed on the anode active material layer.
    • 本发明提供了一种能够缓和由于充放电相关的负极活性物质层的膨胀和收缩引起的应力的阳极,或能够减少阳极活性物质层的结构破坏的阳极和负极活性物质层与阳极活性物质层之间的反应性 与充电和放电相关的电解质,以及使用它的电池。 负极活性物质层含有能够与Li形成合金的元素,例如与单体,合金,Si或Ge的化合物中的至少一种。 在阳极集电体和阳极活性物质层之间设置含有具有超弹性或形状记忆效应的材料的中间层。 否则,阳极集电器由具有超弹性或形状记忆效应的材料制成。 否则,在阳极活性物质层上形成含有超弹性或形状记忆效果的材料的薄膜层。