Rechargeable storage battery

Details Rechargeable storage battery Rechargeable storage battery

1987-08-17

1988-11-29

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Means externally releasing internal gas pressure from closed...

Elastic, resilient or spring biasing valve means

429 57, 429 61, 429 86, 429 94, H01M 212

Patent

active

047881127

ABSTRACT:
A rechargeable storage battery includes a container, a gas venting and circuit-breaker device and a concentric electrode assembly comprised of plural negative electrode plates, positive electrode plates and separators each disposed between every two adjacent, opposite plates, wherein the gas venting and circuit-breaker device may absorb the entrained electrolyte and may disconnect a positive terminal of the cell as biased by the excessive gas pressure during overcharged operation for safety purpose; and the concentric electrode plates may overcome the breaking or deformation drawbacks since the plates are concentrically wrapped up in one-fold, instead of a conventional spiral-winding electrode configuration which is continuously rolled up by many turns.

REFERENCES:
patent: 3436273 (1969-04-01), Gratzmuller
patent: 3862861 (1975-01-01), McClelland
patent: 4078121 (1978-03-01), Gratzmuller

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