Positive electrode active material for alkaline cell
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United States of America Patent
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Aug 9, 2005
Grant Date -
May 1, 2003
app pub date -
Sep 10, 2001
filing date -
Sep 11, 2000
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Abstract
A cathode active material for alkaline electrochemical cells comprising an Ag-Bi-M-containing oxidation product produced by oxidizing with an oxidizing agent an Ag-Bi-M-containing neutralized precipitate obtained by reacting inorganic acid salts of silver, bismuth and, optionally, M (M representing at least one metal selected from the group comprised of manganese, nickel and cobalt) with an alkali hydroxide in an aqueous medium; or comprising an Ag-Bi-M-containing oxidation product obtained by reacting inorganic acid salts of silver, bismuth and, optionally, M with an alkali hydroxide in an aqueous medium and in the presence of an oxidizer.
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