Alkaline secondary battery

Details Alkaline secondary battery Alkaline secondary battery

1995-06-14

1996-06-11

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429217, H01M 462

Patent

active

055254446

ABSTRACT:
An alkaline secondary battery is capable of inhibiting an increase of internal pressure in the charging/discharging cycles and extending life of charging/discharging cycles. This secondary battery comprises, a case, a paste-type positive electrode accommodated in the case and essentially consisting of a conductive substrate filled with a paste containing an active material and a binder, a negative electrode accommodated in the case, a separator interposed between the positive electrode and the negative electrode, and an alkaline electrolyte accommodated in the case, wherein the binder in the positive electrode contains a copolymer consisting of a vinyl alcohol unit and a unit having COOX group, wherein X is an element selected from the group consisting of hydrogen, alkaline metals and alkaline earth metals.

REFERENCES:
patent: 5180646 (1993-01-01), Berger et al.
patent: 5380606 (1995-01-01), Itou et al.
patent: 5415958 (1995-05-01), Takahashi et al.
patent: 5468571 (1995-11-01), Fujimoto et al.

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