Title: Hydrogen absorbing material for electrochemical cells

Abstract: Buildup of unreacted hydrogen gas in sealed electrochemical cells has been prevented by inserting a hydrogen absorbing device into the cell before sealing. This hydrogen absorbing device is preferably a discrete shaped body, e.g., cylindrical or ring shaped, encased in an electrolyte impermeable, but hydrogen gas permeable membrane and includes a material which will react chemically with hydrogen gas, a catalyst for the hydrogen consuming reaction, and a compatible binder which maintains the reactant and catalyst in the form of a discrete shaped body which is porous to hydrogen gas.

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Inventors: Kozawa, Akiya (Middleburg Heights, OH, US)

Application Number: 268785
Filing Date: 1972-07-03
Publication_date: 1976-02-17
Assignee: Union Carbide Corporation (New York, NY)
Primary Class(es): 429/57 429/167
Other Classes:
US Patent Ref:

1288722	Dec, 1918	Snelling	136/138.
2131592	Sep, 1938	Lange et al.	136/179.
2693499	Nov, 1954	Neumann	136/177.
2951106	Aug, 1960	Ruetschi	136/6.
3261714	Jul, 1966	Kordesch et al.	136/6.

Other Refs:
Primary Examiner: Skapars, Anthony
Assistant Examiner:
Attorney: O'Brien; Cornelius F.