Flat accumulator device having an electrochemical cell and elect

Details Flat accumulator device having an electrochemical cell and elect Flat accumulator device having an electrochemical cell and elect

1998-02-17

2000-09-19

Nuzzolillo, Maria

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

429127, 429162, 429178, 429179, H01M 612, H01M 206, H01M 226, H01M 230

Patent

active

06120935&

ABSTRACT:
A flat and thin accumulator device (10) includes a planar electrochemical cell (100) with at least two laminar electrodes (16, 18) having opposite polarities, arranged on either one of the two sides of an electrolyte material (12, 13), a moisture-proof envelope (51, 52, 53) having two foils (70A, 70B) which form substantially plane faces of a moisture-proof and electrically insulating material. The faces are interconnected in a peripheral sealing area (81A, 81B, 81C, 81D) and electrical contacts (26, 28) of the electrodes form electrode terminals which extend through the peripheral sealing area. The envelope further includes tabs forming extensions of the electrode terminals which have electrical contact areas with the electrode terminals, the tabs and the contact areas longitudinally extending in a sealed manner through the peripheral sealing area, and openings are made transversely through the peripheral sealing area which correspond to the tabs so as to uncover the two opposite faces of the tabs.

REFERENCES:
patent: 3607401 (1971-09-01), Halpert
patent: 4092464 (1978-05-01), Dey et al.
patent: 4996128 (1991-02-01), Aldecoa et al.
patent: 5326652 (1994-07-01), Lake
patent: 5419982 (1995-05-01), Tura et al.
patent: 5558957 (1996-09-01), Datta et al.
patent: 5948562 (1999-09-01), Fulcher et al.

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