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    • 8. 发明申请
    • SECONDARY BATTERY AND ELECTRONIC DEVICE
    • 二次电池和电子设备
    • US20110250509A1
    • 2011-10-13
    • US13000852
    • 2009-06-30
    • Hiroyuki YamaguchiShunsuke SaitoToru OdaniMasayuki IharaTadahiko Kubota
    • Hiroyuki YamaguchiShunsuke SaitoToru OdaniMasayuki IharaTadahiko Kubota
    • H01M4/62H01M10/056
    • H01M10/052H01M4/131H01M4/133H01M4/136H01M10/0567
    • A secondary battery capable of improving battery characteristics is provided. The secondary battery includes a cathode 21 containing a cathode active material capable of inserting and extracting an electrode reactant, an anode 22 containing an anode active material capable of inserting and extracting the electrode reactant, and an electrolyte containing a solvent and an electrolyte salt. At least one of the cathode 21, the anode 22, and the electrolyte contains a radical scavenger compound. The radical scavenger compound is a compound in which a group having a radical scavenger function exists as a matrix, to which one or more carboxylic metal bases or one or more sulfonic metal bases are introduced. Chemical stability of the cathode 21, the anode 22, or the electrolyte containing the radical scavenger compound is improved. Thus, at the time of charge and discharge, decomposition reaction of the electrolytic solution is easily inhibited.
    • 提供能够提高电池特性的二次电池。 二次电池包括含有能够插入和提取电极反应物的阴极活性物质的阴极21,含有能够插入和提取电极反应物的负极活性物质的阳极22和含有溶剂和电解质盐的电解质。 阴极21,阳极22和电解质中的至少一个含有自由基清除剂化合物。 自由基清除剂化合物是其中具有自由基清除功能的基团作为基质存在的化合物,其中引入一个或多个羧酸金属碱基或一个或多个磺酸金属碱基。 提高阴极21,阳极22或含有自由基清除剂化合物的电解质的化学稳定性。 因此,在充放电时容易抑制电解液的分解反应。
    • 10. 发明申请
    • BATTERY AND ELECTRODE
    • 电池和电极
    • US20100075233A1
    • 2010-03-25
    • US12565330
    • 2009-09-23
    • Hiroyuki YamaguchiShunsuke SaitoToru OdaniMasayuki IharaTadahiko Kubota
    • Hiroyuki YamaguchiShunsuke SaitoToru OdaniMasayuki IharaTadahiko Kubota
    • H01M6/16H01M4/02
    • H01M10/0525H01M4/62
    • A positive electrode includes: a salt represented by the following formula (1) on the surface of an active material contained in a positive electrode active material layer provided on a positive electrode collector, or at least on the surface of the positive electrode active material layer wherein R represents a hydrocarbon group which may have an unsaturated bond, a group obtained by halogenating or hydroxylating this hydrocarbon group, or a hydrogen group; R1 and R2 each independently represents an unsaturated bond, a hydrocarbon group which may have N or O, R1 and R2 may be bonded to each other to form a ring, in which the ring may further contain N or O, or a hydrogen group; Aa− represents an acid anion capable of being bonded to at least any one of R, R1, R2 and the ring; Mx− represents a metal ion capable of forming a salt together with Aa−; and a, b, x and y each represents an integer of 1 or more.
    • 正极包括:在正极活性物质层上设置的活性物质的表面上,或者至少在正极活性物质层的表面上具有由下式(1)表示的盐 其中R表示可具有不饱和键的烃基,通过卤化或羟基化该烃基获得的基团或氢基团; R 1和R 2各自独立地表示不饱和键,可以具有N或O的烃基,R 1和R 2可以彼此键合形成环,其中该环还可以含有N或O或氢基; Aa-表示能够与R,R 1,R 2和R 2中的至少任一个键合的酸阴离子; Mx-表示与Aa-一起形成盐的金属离子; a,b,x和y各自表示1以上的整数。