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
    • 13. 发明授权
    • Non-aqueous electrolyte secondary battery
    • 非水电解质二次电池
    • US08338030B2
    • 2012-12-25
    • US11359965
    • 2006-02-23
    • Masato IwanagaNobumichi NishidaShuji Tsutsumi
    • Masato IwanagaNobumichi NishidaShuji Tsutsumi
    • H01M4/52
    • H01M4/131H01M4/133H01M4/366H01M4/505H01M4/525H01M10/0525H01M10/0567H01M10/44H01M2300/004
    • A non-aqueous electrolyte secondary battery with excellent discharge cycle characteristics and a charging termination potential ranging from 4.4 to 4.6 V based on lithium, consisting of a positive electrode comprising a positive electrode active material, a negative electrode, and a non-aqueous electrolyte containing a non-aqueous solvent and an electrolyte salt, in which the positive electrode active material comprises a mixture of a lithium-cobalt composite oxide containing at least both zirconium and magnesium in LiCoO2, and a lithium-manganese-nickel composite oxide having a layered structure and containing at least both manganese and nickel, and the potential of the positive electrode active material ranges from 4.4 to 4.6 V based on lithium, and the non-aqueous electrolyte contains at least one of aromatic compounds selected from the group consisting at least of toluene derivatives, anisole derivatives, biphenyl, cyclohexyl benzene, tert-butyl benzene, tert-amyl benzene, and diphenyl ether.
    • 一种非水电解质二次电池,具有优异的放电循环特性和基于锂的4.4至4.6V的充电终止电位,由包含正极活性材料,负极和非水电解质的正极组成,所述正极包含 非水溶剂和电解质盐,其中正极活性物质包含LiCoO 2中至少含有锆和镁两者的锂 - 钴复合氧化物的混合物和具有层状结构的锂 - 锰 - 镍复合氧化物 并且至少包含锰和镍两者,并且所述正极活性物质的电位为基于锂的4.4至4.6V,并且所述非水电解质包含至少一种选自至少一种甲苯 衍生物,苯甲醚衍生物,联苯,环己基苯,叔丁基苯,叔戊基苯和二苯基醚 烯丙醚。
    • 16. 发明申请
    • Nonaqueous electrolyte secondary battery, nonaqueous electrolyte, and charging method therefor
    • 非水电解质二次电池,非水电解质及其充电方法
    • US20070172730A1
    • 2007-07-26
    • US11656486
    • 2007-01-23
    • Masato IwanagaYukihiro OkiKoji AbeKazuhiro Miyoshi
    • Masato IwanagaYukihiro OkiKoji AbeKazuhiro Miyoshi
    • H01M10/40H01M4/50H01M4/52
    • H01M10/0567H01M4/131H01M4/485H01M4/505H01M4/525H01M10/0569H01M2300/004
    • A nonaqueous electrolyte secondary battery of the invention has a positive electrode having a positive electrode active material, a negative electrode, and a nonaqueous electrolyte having electrolyte salt in a nonaqueous solvent. The electric potential of the positive electrode active material is 4.4 to 4.6 V relative to lithium, and the nonaqueous electrolyte contains a compound expressed by structural formula (I) below. The quantity of compound added is preferably 0.1% to 2% by mass. Also, the positive electrode active material preferably comprises a mixture of a lithium-cobalt composite oxide which is LiCoO2 containing at least both zirconium and magnesium and a lithium-manganese-nickel composite oxide that has a layer structure and contains at least both manganese and nickel. Thanks to such structure, a nonaqueous electrolyte secondary battery can be provided that is charged to charging termination potential of 4.4 to 4.6 V relative to lithium and that has enhanced overcharging safety.[Chemical Formula 1]
    • 本发明的非水电解质二次电池具有正极,具有正极活性物质,负极和非水电解质,在非水溶剂中具有电解质盐。 正极活性物质的电位相对于锂为4.4〜4.6V,非水电解质含有下述结构式(I)表示的化合物。 化合物的添加量优选为0.1质量%〜2质量%。 此外,正极活性物质优选含有至少含有锆和镁两者的LiCoO 2 2的锂 - 钴复合氧化物和具有层结构的锂 - 锰 - 镍复合氧化物的混合物 并且至少含有锰和镍。 由于这样的结构,可以提供非水电解质二次电池,其相对于锂充电至4.4至4.6V的充电终止电位,并且具有增强的过充电安全性。 [化学式1]
    • 17. 发明申请
    • Non-aqueous electrolyte secondary battery
    • 非水电解质二次电池
    • US20060199077A1
    • 2006-09-07
    • US11359965
    • 2006-02-23
    • Masato IwanagaNobumichi NishidaShuji Tsutsumi
    • Masato IwanagaNobumichi NishidaShuji Tsutsumi
    • H01M4/52H01M4/50H01M10/40
    • H01M4/131H01M4/133H01M4/366H01M4/505H01M4/525H01M10/0525H01M10/0567H01M10/44H01M2300/004
    • A non-aqueous electrolyte secondary battery with excellent discharge cycle characteristics and a charging termination potential ranging from 4.4 to 4.6 V based on lithium, consisting of a positive electrode comprising a positive electrode active material, a negative electrode, and a non-aqueous electrolyte containing a non-aqueous solvent and an electrolyte salt, in which the positive electrode active material comprises a mixture of a lithium-cobalt composite oxide containing at least both zirconium and magnesium in LiCoO2, and a lithium-manganese-nickel composite oxide having a layered structure and containing at least both manganese and nickel, and the potential of the positive electrode active material ranges from 4.4 to 4.6 V based on lithium, and the non-aqueous electrolyte contains at least one of aromatic compounds selected from the group consisting at least of toluene derivatives, anisole derivatives, biphenyl, cyclohexyl benzene, tert-butyl benzene, tert-amyl benzene, and diphenyl ether.
    • 一种非水电解质二次电池,具有优异的放电循环特性和基于锂的4.4至4.6V的充电终止电位,由包含正极活性材料,负极和非水电解质的正极组成,所述正极包含 非水溶剂和电解质盐,其中正极活性物质包含在LiCoO 2 2中至少含有锆和镁两者的锂 - 钴复合氧化物的混合物和锂 - 锰 具有层状结构并且至少含有锰和镍的镍 - 镍复合氧化物,并且正极活性物质的电位基于锂为4.4-4.6V,非水电解质包含至少一种所选择的芳族化合物 由至少甲苯衍生物,苯甲醚衍生物,联苯,环己基苯,叔丁基苯,叔戊基苯 e和二苯醚。