Rechargeable lithium battery construction

Details Rechargeable lithium battery construction Rechargeable lithium battery construction

1994-05-11

1995-12-26

Maples, John S.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Tape or flexible-type cell including tape fuel cells or...

429153, 429162, 429185, 429192, H01M 646, H01M 618, H01M 208

Patent

active

054786681

ABSTRACT:
A rechargeable lithium ion battery comprises a plurality of interleaved flexible electrolytic cells, each of which is a unitary planar laminated structure comprising polymeric anode, cathode, and intermediate electrolyte layers disposed between electrically conductive anode and cathode collector foil elements. One of the collector foils of a cell has an open grid structure to allow penetration of electrolyte solution into the cell layer while the other is substantially more continuous to provide supporting strength to the cell. At least a pair of cells having respective continuous foil anode and cathode collectors are interleaved in spiral-folded fashion to present those collector foils at the outer surface of the resulting structure to provide terminal contacts for the resulting high-capacity, low-profile battery.

REFERENCES:
patent: 4204036 (1980-05-01), Cohen et al.
patent: 4361633 (1982-11-01), Nel et al.
patent: 5300373 (1994-04-01), Shackle

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