Chemistry: electrical current producing apparatus – product – and – Sealed cell having gas prevention or elimation means
Patent
1985-01-17
1985-10-08
Skapars, Anthony
Chemistry: electrical current producing apparatus, product, and
Sealed cell having gas prevention or elimation means
429129, 429140, 429209, 429225, H01M 1012, H01M 414
Patent
active
045460531
ABSTRACT:
Sealed lead-acid storage cells are described, characterized by positive electrode means comprising one or more positive electrode assemblies. Each electrode assembly in turn comprises two positive electrode members lying in spaced apart relationship to one another and having an electrolyte reservoir located therebetween. In this manner it may be insured that sufficient electrolyte is present in the cells to more fully utilize the active material of the positive and negative electrodes, while still allowing the separators lying between the positive and negative electrodes to be as thin as possible and to be less than fully saturated with electrolyte. This less than fully saturated condition provides paths for oxygen transport between the positive and negative electrodes, thus facilitating recombination of oxygen, which may be evolved at the positive electrodes during charging, at the negative electrodes.
REFERENCES:
patent: 1663741 (1928-03-01), Vaughan-Sherrin
patent: 2997516 (1961-08-01), Soding
patent: 3057943 (1962-10-01), Strauss
patent: 3257237 (1966-06-01), Jache
patent: 3457112 (1969-07-01), Reber
patent: 3852111 (1974-12-01), Brinkmann et al.
patent: 3897266 (1975-07-01), Devitt et al.
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