Battery

Details Battery Battery

2008-01-15

2008-01-15

Weiner, Laura (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S234000, C429S233000, C429S218100

Reexamination Certificate

active

07318983

ABSTRACT:
The invention provides a battery achieving excellent battery characteristics by using, as an anode active material, any of metal elements and metalloid elements each of which can form an alloy with a lithium, alloys of these elements, and compounds of these elements. Mesh projections as a frame structure are formed on the surface on the side facing an anode active material layer, of an anode collector. By the mesh projections, expansion and contraction in the plane direction of the anode active material layer is suppressed. Thus, pulverization, peeling, and the like of the anode active material layer caused by expansion and contraction thereof are prevented and the cycle characteristics are improved.

REFERENCES:
patent: 4812376 (1989-03-01), Rudolph
patent: 5185221 (1993-02-01), Rampel
patent: 5460904 (1995-10-01), Gozdz et al.
patent: 6699623 (2004-03-01), Dai
patent: 2003/0099884 (2003-05-01), Chiang et al.
patent: 04-004563 (1992-01-01), None

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