Energy storage cell with hydrogen vent

Details Energy storage cell with hydrogen vent Energy storage cell with hydrogen vent

1996-07-16

1999-06-29

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Means externally releasing internal gas pressure from closed...

429 61, 429101, H01M 212

Patent

active

059167033

ABSTRACT:
A nickel-hydrogen energy storage cell includes a hermetic pressure vessel having a wall made of a nickel-base alloy, and a hollow tube made at least in part of palladium and joined to the wall of the pressure vessel such that an interior of the hollow tube is in communication with an interior of the pressure vessel. A heater controllably heats at least a portion of the hollow tube to increase the diffusion rate of hydrogen through the wall of the hollow tube and thereby controllably vent hydrogen from the pressure vessel. The energy storage cell further includes at least one plate set within the wall of the pressure vessel, an electrolyte, and a pair of electrical leads extending from the at least one plate set and through an electrical feedthrough in the wall of the pressure vessel.

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Rubin, L.R. "Purification of Hydrogen by Permeation Through Palladium and Palladium Alloys," Engelhard Industries Inc Technical Bulletin, vol. II, No. 1, pp. 8-15 (Jun. 1961).

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