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    • 6. 发明申请
    • Electric cell
    • 电池
    • US20020068222A1
    • 2002-06-06
    • US09964460
    • 2001-09-28
    • Kabushiki Kaisha Toshiba
    • Haruchika IshiiNorio TakamiTomokazu MoritaMitsuo Kasori
    • H01M010/26H01M004/46
    • H01M6/045H01M4/463H01M4/628H01M6/06
    • An electric cell using aluminum in a negative electrode has a positive electrode, the negative electrode containing aluminum or aluminum alloy, and an electrolyte arranged between the positive electrode and the negative electrode. The electrolyte includes: at least one ion selected from a group of a sulfate ion (SO42null) and a nitrate ion (NO3null); and an additive. The additive is selected from an organic acid, a salt of the organic acid, an hydrate of the organic acid, an ester of the organic acid, an ion of the organic acid, and derivatives thereof. Thus, the electric cell of the present invention using aluminum in a negative electrode allows the improvements in the voltage and the capacity of the cell as the generation of gas depending on the self-discharge can be prevented.
    • 在负极中使用铝的电池具有正极,负极含有铝或铝合金,以及配置在正极和负极之间的电解质。 电解质包括:选自硫酸根离子(SO42-)和硝酸根离子(NO3-)的至少一种离子; 和添加剂。 添加剂选自有机酸,有机酸的盐,有机酸的水合物,有机酸的酯,有机酸的离子及其衍生物。 因此,在负极中使用铝的本发明的电池允许可以防止根据自放电产生气体的电池的电压和容量的改善。
    • 7. 发明申请
    • Battery with nonaqueous electrolyte
    • 电池与非水电解质
    • US20010046629A1
    • 2001-11-29
    • US09797883
    • 2001-03-05
    • Kabushiki Kaisha Toshiba
    • Hiroki InagakiNorio Takami
    • H01M004/40H01M004/58H01M004/62
    • H01M4/134H01M4/131H01M4/38H01M4/46H01M10/052
    • The development of a novel negative electrode material has led to the provision of a battery with a nonaqueous electrolyte which has a combination of a high discharge capacity with excellent cycling characteristics. The battery with a nonaqueous electrolyte comprises: a positive electrode; a negative electrode having a negative electrode active material capable of occluding and releasing an alkali metal; and a nonaqueous electrolyte. The negative electrode active material contains at least one element selected from the group consisting of group 4B elements and group 5B elements and has at least one crystal structure selected from the group consisting of BiF3 structure, Cu2MnAl structure, and AgAsMg structure. And the negative electrode active material contains at least one element selected from the group consisting of Al, Si, Ge, Sn, P, Sb and Bi and has at least one crystal structure selected from the group consisting of BiF3 structure, Cu2MnAl structure, and AgAsMg structure.
    • 导致新型负极材料的发展导致提供具有高放电容量和优异的循环特性组合的非水电解质的电池。 具有非水电解质的电池包括:正电极; 具有能够吸留和释放碱金属的负极活性物质的负极; 和非水电解质。 负极活性物质含有选自4B族元素和5B族元素中的至少一种元素,并且具有选自BiF3结构,Cu2MnAl结构和AgAsMg结构中的至少一种晶体结构。 负极活性物质含有选自Al,Si,Ge,Sn,P,Sb,Bi中的至少一种元素,并且具有选自BiF 3结构,Cu 2 Mnn结构和 AgAsMg结构。