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    • 2. 发明申请
    • Method of Using an Electrochemical Cell
    • 电化学电池的使用方法
    • US20080311464A1
    • 2008-12-18
    • US12064966
    • 2006-10-02
    • Larry J. KrauseMark N. Obrovac
    • Larry J. KrauseMark N. Obrovac
    • H01M10/44
    • H01M10/44H01M4/134H01M4/382H01M4/386H01M10/0525H01M10/446
    • The silicon as an anode material for use in lithium ion batteries according to the present invention provides a method for cell manufacturing. The degree to which the silicon is lithiated during cycling can be controlled, thereby lowering the volume expansion while maintaining an acceptable volumetric capacity, and reducing the failure rate of the silicon containing anodes in lithium ion batteries. The crystalline silicon anode is first charged so that the anode becomes partially lithiated. The voltage of the anode during this charging step is typically less than the lithiation potential of crystalline silicon at ambient temperatures, for example, less than 17 OmV versus lithium metal. The total number of charge-discharge cycles during conditioning is at least two or more.
    • 作为根据本发明的用于锂离子电池的负极材料的硅提供了一种用于电池制造的方法。 可以控制硅在循环期间锂化的程度,从而降低体积膨胀,同时保持可接受的体积容量,并降低锂离子电池中含硅阳极的故障率。 首先对晶体硅阳极进行充电,使得阳极部分锂化。 在该充电步骤期间阳极的电压通常小于环境温度下的结晶硅的锂化电位,例如小于17OmV相对于锂金属。 调理期间的充放电循环总数至少为两个以上。