会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明申请
    • LITHIUM-ION SECONDARY BATTERY
    • 锂离子二次电池
    • US20120321955A1
    • 2012-12-20
    • US13581355
    • 2011-04-01
    • Naoto YasudaToru AbeJunichi Niwa
    • Naoto YasudaToru AbeJunichi Niwa
    • H01M4/505H01M4/485H01M4/52H01M4/54
    • H01M4/505H01M4/131H01M4/386H01M4/387H01M4/525H01M4/587H01M10/052Y02T10/7011
    • A lithium-ion secondary battery is characterized in that it is equipped with: a positive electrode comprising a positive-electrode active material that includes a lithium-transition metal composite oxide including at least lithium and manganese and possessing a layered rock-salt structure; a negative electrode comprising a negative-electrode active material that includes at least one kind of carbon-based materials, silicon-based materials, and tin-based materials; and a non-aqueous electrolytic solution, wherein: said lithium-transition metal composite oxide exhibits an irreversible capacity; and an actual capacity of said negative electrode at the time of first-round charging up to 0 V with respect to metallic lithium is smaller than an actual capacity of said positive electrode at the time of first-round charging up to 4.7 V with respect to metallic lithium. Even when an employment amount of the active materials is reduced less than those conventional amounts, the resulting battery capacity hardly declines.
    • 锂离子二次电池的特征在于,其具备:包含正极活性物质的正极,所述正极活性物质包括至少包含锂和锰的锂 - 过渡金属复合氧化物,并具有层状岩盐结构; 包含负极活性物质的负极,所述负极活性物质包含至少一种碳类材料,硅类材料和锡类材料; 和非水电解液,其中:所述锂 - 过渡金属复合氧化物具有不可逆容量; 并且相对于金属锂在第一次充电至0V时的所述负极的实际容量小于相对于第一次充电高达4.7V时的所述正极的实际容量 金属锂。 即使活性物质的使用量比常规量减少,所得电池容量几乎不下降。