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    • 4. 发明授权
    • Electric cell
    • 电池
    • US06790563B2
    • 2004-09-14
    • US09964460
    • 2001-09-28
    • Haruchika IshiiNorio TakamiTomokazu MoritaMitsuo Kasori
    • Haruchika IshiiNorio TakamiTomokazu MoritaMitsuo Kasori
    • H01M604
    • 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 (SO42−) and a nitrate ion (NO3−); 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(SO 4 2-)和硝酸根离子(NO 3 - )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。
    • 8. 发明授权
    • Nonaqueous electrolyte battery and nonaqueous electrolytic solution
    • 非水电解质电池和非水电解液
    • US07026075B2
    • 2006-04-11
    • US10233528
    • 2002-09-04
    • Norio TakamiHaruchika Ishii
    • Norio TakamiHaruchika Ishii
    • H01M6/16
    • H01M10/0569H01M4/38H01M4/381H01M4/46H01M4/48H01M4/50H01M4/505H01M4/52H01M4/525H01M4/58H01M4/5825H01M6/166H01M2300/0025H01M2300/0037
    • The present invention achieves an increased capacity and prolonged life of nonaqueous electrolyte batteries of the type in which light metals, such as magnesium, calcium or aluminum, are used in the negative electrode. The present invention also provides a thermally stable nonaqueous electrolytic solution for use with such batteries. The nonaqueous electrolyte battery in accordance with the present invention includes a positive electrode; a negative electrode containing at least one element selected from the group consisting of aluminum, calcium and magnesium; and a nonaqueous electrolytic solution composed of a mixed solvent of an organic solvent and an alkyl sulfone having a structure represented by R1R2SO2, where R1 and R2 are each independently an alkyl group, and at least one type of salt selected from the group consisting of aluminum salt, calcium salt and magnesium salt. The organic solvent is capable of dissolving the alkyl sulfone along with at least one type of salt selected from the group consisting of aluminum salt, calcium salt and magnesium salt.
    • 本发明实现了在负极中使用诸如镁,钙或铝的轻金属的非水电解质电池的增加的容量和延长的使用寿命。 本发明还提供了一种与这种电池一起使用的热稳定的非水电解液。 根据本发明的非水电解质电池包括正电极; 含有选自铝,钙和镁的至少一种元素的负极; 以及由有机溶剂和具有由R 1 R 2 SO 2表示的结构的烷基砜的混合溶剂组成的非水电解液, 其中R 1和R 2各自独立地为烷基,以及至少一种选自铝盐,钙盐和镁盐的盐。 有机溶剂能够与烷基砜一起溶解至少一种选自铝盐,钙盐和镁盐的盐。