Anode and battery

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode

Reexamination Certificate

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Details

C429S231950, C429S245000

Reexamination Certificate

active

07625668

ABSTRACT:
The invention provides an anode capable of relaxing stress due to expansion and shrinkage of an anode active material layer associated with charge and discharge, or an anode capable of reducing structural destruction of the anode active material layer and reactivity between the anode active material layer and an electrolyte associated with charge and discharge, and a battery using it. The anode active material layer contains an element capable of forming an alloy with Li, for example, at least one from the group consisting of simple substances, alloys, and compounds of Si or Ge. An interlayer containing a material having superelasticity or shape-memory effect is provided between an anode current collector and the anode active material layer. Otherwise, the anode current collector is made of the material having superelasticity or shape-memory effect. Otherwise, a thin film layer containing the material having superelasticity or shape-memory effect is formed on the anode active material layer.

REFERENCES:
patent: 5464524 (1995-11-01), Ogiwara et al.
patent: 6574958 (2003-06-01), MacGregor
patent: 6685805 (2004-02-01), Kiyota et al.
patent: 2002/0168572 (2002-11-01), Tamura
patent: 63-175345 (1988-07-01), None
patent: 04-206258 (1992-07-01), None
patent: 04-206265 (1992-07-01), None
patent: 08-050922 (1996-02-01), None
patent: 11-135115 (1999-05-01), None
patent: 11-339777 (1999-10-01), None
patent: 2002-083594 (2002-03-01), None
patent: 2002-216747 (2002-08-01), None
patent: 2002-313348 (2002-10-01), None
patent: 2002-373644 (2002-12-01), None
patent: 01/31721 (2001-05-01), None
Japanese Office Action issued on Nov. 15, 2006.

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