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    HIGH CAPACITY LITHIUM-ION ELECTROCHEMICAL CELLS
    45.
    发明申请
    HIGH CAPACITY LITHIUM-ION ELECTROCHEMICAL CELLS 审中-公开
    高容量锂离子电化学电池

    公开(公告)号：US20110183209A1

    公开(公告)日：2011-07-28

    申请号：US12694617

    申请日：2010-01-27

    申请人： Leif Christensen ,  Jerome E. Scanlan

    发明人： Leif Christensen ,  Jerome E. Scanlan

    IPC分类号： H01M4/58 ,  H01M4/00 ,  H01M6/00

    CPC分类号： H01M10/0525 ,  H01M4/134 ,  H01M4/38 ,  H01M4/386 ,  H01M4/40 ,  H01M4/46 ,  H01M4/505 ,  H01M4/525 ,  Y10T29/49108

    摘要： A lithium-ion electrochemical cell is provided that has high total energy, high energy density and good performance upon repeated charge-discharge cycles. The cell includes a composite positive electrode that comprises a metal oxide electrode material, a composite negative electrode that comprises a alloy anode active material having a first cycle irreversible capacity of 10 percent or higher and an electrolyte. The first cycle irreversible capacity of the composite positive electrode is within 40 percent of the first cycle irreversible capacity of the composite negative electrode.

    摘要翻译： 提供了一种锂离子电化学电池，其具有高的总能量，高能量密度和重复的充放电循环时的良好性能。 电池包括包含金属氧化物电极材料的复合正极，包含第一循环不可逆容量为10％以上的合金负极活性材料的复合负极和电解质。 复合正极的第一次循环不可逆容量在复合负极的第一次循环不可逆容量的40％以内。

    Multi-phase, silicon-containing electrode for a lithium-ion battery
    48.
    发明授权
    Multi-phase, silicon-containing electrode for a lithium-ion battery 有权
    用于锂离子电池的多相含硅电极

    公开(公告)号：US07498100B2

    公开(公告)日：2009-03-03

    申请号：US10637412

    申请日：2003-08-08

    申请人： Leif Christensen ,  Mark N. Obrovac ,  Dinh B. Le

    发明人： Leif Christensen ,  Mark N. Obrovac ,  Dinh B. Le

    IPC分类号： H01M4/46 ,  H01M4/58

    CPC分类号： H01M10/052 ,  B22F9/008 ,  B22F2009/048 ,  H01M4/02 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/364 ,  H01M4/386 ,  H01M4/62

    摘要： An electrode composition for a lithium-ion battery comprising particles having an average particle size ranging from 1 μm to 50 μm. The particles include an electrochemically active phase and an electrochemically inactive phase that share a common phase boundary. The electrochemically active phase includes elemental silicon and the electrochemically inactive phase includes at least two metal elements in the form of an intermetallic compound, a solid solution, or combination thereof. Each of the phases is free of crystallites that are greater than 1000 angstroms prior to cycling. In addition, the electrochemically active phase is amorphous after the electrode has been cycled through one full charge-discharge cycle in a lithium-ion battery.

    摘要翻译： 一种锂离子电池用电极组合物，其包含平均粒径为1〜50μm的粒子。 颗粒包括共同相位边界的电化学活性相和电化学惰性相。 电化学活性相包括元素硅，并且电化学惰性相包括金属间化合物，固溶体或其组合形式的至少两种金属元素。 在循环之前，每个相都没有大于1000埃的微晶。 此外，在锂离子电池中经过一个完全充电 - 放电循环之后，电化学活性相是非晶态的。