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    • 9. 发明申请
    • CARBONACEOUS MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY NEGATIVE ELECTRODE
    • 非水电解质二次电池负极电极用碳材料
    • US20150340693A1
    • 2015-11-26
    • US14654619
    • 2014-02-19
    • KUREHA CORPORATION
    • Makoto ImajiYasuhiro TadaNaohiro Sonobe
    • H01M4/587H01M10/0525
    • An object of the present invention is to provide a carbonaceous material for a negative electrode for producing a nonaqueous electrolyte secondary battery capable of rapid charge and discharge and having excellent rate characteristics (output characteristics) while maintaining a large discharge capacity.The problem described above can be solved by a carbonaceous material for a nonaqueous electrolyte secondary battery negative electrode of the present invention obtained by heat-treating a non-graphitizable carbon precursor which is pulverized and contains from 13 to 80 wt. % of a volatile component. With the present invention, it is possible to provide a carbonaceous material for a nonaqueous electrolyte secondary battery negative electrode, whereby a nonaqueous electrolyte secondary battery having a large charge-discharge capacity and having excellent rate characteristics can be produced.
    • 本发明的目的是提供一种用于制造能够快速充放电并且具有优异的速率特性(输出特性)同时保持大放电容量的非水电解质二次电池的负极用碳质材料。 上述问题可以通过将本发明的非水电解质二次电池用负极用碳质材料进行热处理而得到,该碳质材料通过将粉碎后含有13〜80重量%的不可石墨化碳前体进行热处理而得到。 %挥发性组分。 通过本发明,可以提供一种用于非水电解质二次电池负极的碳质材料,由此可以制造具有大的充放电容量并且具有优异的速率特性的非水电解质二次电池。