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    • 8. 发明申请
    • HIGH CAPACITY AND HIGH RATE LITHIUM CELLS WITH CFx-MnO2 HYBRID CATHODE
    • 具有CFx-MnO2混合阴极的高容量和高速锂离子电池
    • US20090081545A1
    • 2009-03-26
    • US12145665
    • 2008-06-25
    • Xulong ZhangXinrong Wang
    • Xulong ZhangXinrong Wang
    • H01M4/50H01M6/16
    • H01M4/382H01M2/1653H01M2/1686H01M4/364H01M4/405H01M4/505H01M4/583H01M4/5835H01M6/16H01M2004/028
    • A nonaqueous cell employing an anode such as lithium or lithium alloy, a liquid lithium salt nonaqueous electrolyte, a thermal shutdown separator and a cathode comprising a homogeneous hybrid mixture of carbon fluoride and manganese dioxide, said carbon fluoride or poly-carbon fluoride being represented by the formula (CFx) wherein 0.5≦x≦1.2 and contained in said mixture in a ratio by weight of about 5 to 99%, preferably about 5 to 50% and said manganese dioxide is heat treated electrolytic manganese dioxide represented by EMD or MnO2. The CFx—MnO2 hybrid cathode cells yield high capacity with high discharge rate and excellent low-temperature performance without voltage delay. The cells are characterized by two significant plateaus in their discharge profiles, the first contributed by MnO2 and the second by CFx.
    • 使用锂或锂合金等阳极的非水电解液,液体锂盐非水电解质,热关闭分离器和包含碳氟化物和二氧化锰的均匀混合混合物的阴极,所述碳氟化物或聚氟化碳由 其中0.5≤x≤1.2的配方(CFx),并且包含在所述混合物中的重量百分比为约5至99%,优选约5至50%,所述二氧化锰是由EMD表示的热处理电解二氧化锰或 MnO2。 CFx-MnO2混合阴极电池产生高容量,高放电率和优异的低温性能,无电压延迟。 细胞的特征是其排放曲线中有两个显着的平台,第一个由MnO2贡献,第二个由CFx贡献。