Silver oxide for use in cells and a process for producing the sa

Chemistry of inorganic compounds – Oxygen or compound thereof – Metal containing

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423592, C01G 302

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060868457

ABSTRACT:
An aqueous sodium carbonate solution is added in an equivalent amount to an aqueous silver nitrate solution (Ag=100 g/L) under stirring and, with nitric acid and sodium hydroxide being added to adjust the pH to 5.5-6.5, a silver carbonate precipitate is formed and subsequently washed thoroughly and dried at 250.degree. C. or below to produce a silver oxide powder, which satisfactory characteristics for use in cells, as exemplified by high water absorption, good shape of granules, high strength, non-stickiness to the molding punch, high fluidity and low residual carbon content. The pellet of the powder has high cell capacity.

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Databse WPI, Section CH, Week 9736, Derwent Publications Ltd., London, GB, XP-002082427, An 97-389246, of JP 09 169520, Jun. 30, 1997 Encyclopedia of Chemical Reactions, Edited by Clifford A. Hampel, (1956), pp. 179 and 210.

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