Active material for positive electrode of alkaline storage battery and method for producing the same, and alkaline storage battery using the same
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsKiyoshi Hayashi, Munehisa Ikoma
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Abstract
An active material for a positive electrode of an alkaline storage battery comprising particles containing nickel hydroxide and provided with pores, and a conductive material filled in the pores. The conductive material includes a cobalt compound and at least one element selected from the group consisting of rare earth elements and zinc.
Claims12
An active material for a positive electrode of an alkaline storage battery comprising particles comprising nickel hydroxide and provided with pores, and a conductive material filled in the pores,
- wherein the conductive material comprises a cobalt compound and at least one element selected from the group consisting of rare earth elements and zinc.
A method for producing an active material for a positive electrode of an alkaline storage battery comprising a first process of:
- adding particles comprising nickel hydroxide and provided with pores to an aqueous solution comprising cobalt and at least one element selected from the group consisting of rare earth elements and zinc;
- and
- stirring the aqueous solution under a reduced pressure,
- thereby filling a conductive material comprising the cobalt and the at least one element in the pores.
Dependencies are inferred from the claim text.