Electrode for non-aqueous secondary battery and non-aqueous...

Details Electrode for non-aqueous secondary battery and non-aqueous... Electrode for non-aqueous secondary battery and non-aqueous...

2004-09-14

2008-10-07

Ryan, Patrick (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S245000, C429S218100, C429S233000

Reexamination Certificate

active

07432016

ABSTRACT:
An alloy material containing an intermetallic compound of metal that is alloyed with Li and metal that is not alloyed with Li, capable of repeatedly absorbing and desorbing Li, is formed on a collector made of a material that is not alloyed with Li, as a plurality of convex portions partitioned with gaps disposed thereamong, and an area the convex portions occupy on the collector is assumed to be 60 to 95% of the area of the collector. Because of this, an electrode containing an intermetallic compound capable of repeatedly absorbing and desorbing Li can be provided, which can configure a non-aqueous secondary battery having a higher charging/discharging efficiency, a larger discharging capacity, and more excellent high rate characteristics and cycle characteristics.

REFERENCES:
patent: 7160646 (2007-01-01), Ohshita et al.
patent: 7258950 (2007-08-01), Tamura et al.
patent: 2002/0177044 (2002-11-01), Yagi
patent: 2003/0180619 (2003-09-01), Tamura et al.
patent: 2005/0074671 (2005-04-01), Sugiyama et al.
patent: 1 246 278 (2002-10-01), None
patent: 2001-068094 (2001-03-01), None
patent: 2001-256968 (2001-09-01), None
patent: 2002-279974 (2002-09-01), None
patent: WO-02/25757 (2002-03-01), None
Noriyuki Tamura, et al., “Study On the Anode Behavior of Sn and Sn-Cu Alloy Thin Film Electrodes”, Journal of Power Sources, 107 (2002), pp. 48-55.
Patent Abstracts of Japan for JP2001-068094.
Patent Abstracts of Japan for JP2001-256968.
Patent Abstracts of Japan for JP2002-279974.

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