Bipolar electrochemical battery of stacked wafer cells

Details Bipolar electrochemical battery of stacked wafer cells Bipolar electrochemical battery of stacked wafer cells

1995-02-23

1996-09-03

Maples, John S.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Plural cells

429 82, 429 90, 429162, 429178, 429185, 429210, 429218, H01M 1036, H01M 458, H01M 648, H01M 1048

Patent

active

055522432

ABSTRACT:
The subject invention relates to electrode structures that are adaptable for primary and electrically rechargeable electrochemical wafer cells. A flat wafer cell is disclosed that includes conductive, carbon-filled polymeric outer layers that serve as electrode contacts and as a means of containment of the cell. Multi-cell, higher voltage batteries may be constructed by stacking individual cells. Specially formulated electrodes and processing techniques that are compatible with the wafer cell construction are disclosed for a nickel-metal hydride battery system. The cell design and electrode formulations provide for individual operation of a vented or low pressure sealed cell and/or for operation of these cells in a stacked array in an outer battery housing.

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patent: 4844999 (1989-07-01), Oshitani et al.
patent: 5234779 (1993-08-01), Mix et al.
patent: 5374490 (1994-12-01), Aldecoa

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