Alkaline secondary battery
AssigneeGS Yuasa International Ltd.
InventorsManabu Kanemoto, Tadashi Kakeya, Mitsuhiro Kodama
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Abstract
An alkaline secondary battery includes a positive electrode having active material particles principally made of nickel hydroxide, a negative electrode, and an electrolyte solution. The positive active material particle has a core layer containing nickel hydroxide and a conductive auxiliary layer which coats the surface of the core layer. The conductive auxiliary layer contains a cobalt oxyhydroxide phase and a cerium dioxide phase. The electrolyte solution is principally made of an aqueous sodium hydroxide solution.
Claims1
An alkaline secondary battery comprising a positive electrode having active material particles principally made of nickel hydroxide, a negative electrode, and an electrolyte solution, wherein
- the positive active material particle has a core layer containing nickel hydroxide and a conductive auxiliary layer which coats the surface of the core layer,
- the conductive auxiliary layer contains a cobalt oxyhydroxide phase and a cerium dioxide phase, and
- the electrolyte solution is principally made of an aqueous sodium hydroxide solution.
Dependencies are inferred from the claim text.