Additives for electrochemical cells having zinc anodes

Details Additives for electrochemical cells having zinc anodes Additives for electrochemical cells having zinc anodes

1992-12-07

1995-03-28

Dees, Jose G.

Chemistry: electrical current producing apparatus, product, and

Sealed cell having gas prevention or elimation means

Prevention or elimination means is one of the cell...

429212, H01M 614

Patent

active

054015901

ABSTRACT:
The invention relates to a method for inhibiting the occurrence of load voltage instability in zinc anodic alkaline cells. The anode active material contains a gelled slurry of zinc alloy particles, a gelling agent, an aqueous alkaline solution and a mixed surfactant containing an anionic surfactant and a non-ionic surfactant. The gelled anode active material inhibits the occurrence of load voltage instability and simultaneously reduces hydrogen evolution even though the cell contains no added amounts of mercury.

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patent: 4942101 (1990-07-01), Audebert
patent: 5128222 (1992-07-01), Yoshizawa et al.

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