Insoluble anodes for producing manganese dioxide consisting esse

Details Insoluble anodes for producing manganese dioxide consisting esse Insoluble anodes for producing manganese dioxide consisting esse

1990-06-08

1991-10-29

Niebling, John F.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204293, G25B 1110

Patent

active

050613588

ABSTRACT:
There is provided an insoluble anode for producing manganese dioxide by electrolysis characterized in that the surface layer or the entire anode is made of a titanium alloy of from 0.5 to less than 15 percent by weight of nickel, the remainder being titanium and unavoidable impurities. The titanium alloy preferably has thereon Ti.sub.2 Ni particles 300 .mu.m or finer in size dispersed uniformly at the rate of at least 10,000 particles per square millimeter of the anode surface area, whereby the growth of a passive state film is prevented.

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Machida et al., Amorphous Ni-Ti and Ni-Zr Alloys for Water Electrolysis Cathode Materials, Bull. Chem. Soc. Japan, 56, Nov. 1983, pp. 3393-3399.

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