Lithium polymer battery

Details Lithium polymer battery Lithium polymer battery

2005-04-26

2005-04-26

Bell, Bruce F. (Department: 1746)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C029S623100, C029S623500

Reexamination Certificate

active

06884547

ABSTRACT:
A lithium polymer battery includes a cathode, an anode and a porous separator disposed between the cathode and the anode. A first polymeric electrolyte is positioned on a first surface of the separator in contact with the cathode. A second polymeric electrolyte is positioned on a second surface of the separator layer in contact with the anode. The first and second polymeric electrolytes use host polymers having different pH levels in an aqueous solution extracted using water.

REFERENCES:
patent: 4830939 (1989-05-01), Lee et al.
patent: 5681357 (1997-10-01), Eschbach et al.
patent: 0450981 (1991-10-01), None
patent: 5-109310 (1993-04-01), None

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