Alkaline dry batteries
AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorsYasufumi Takahashi, Yasuyuki Kusumoto, Atsushi Fukui
Life of this patent
Estimating the term…
Abstract
An alkaline dry battery includes a battery case, a hollow cylindrical positive electrode accommodated in the battery case, a negative electrode disposed in the hollow portion of the positive electrode, a separator disposed between the positive electrode and the negative electrode, and an electrolytic solution contained in the positive electrode, the negative electrode and the separator. The alkaline dry battery further includes a layer principally including a compound containing a polyoxyethylene group between the positive electrode and the inner surface of the battery case.
Claims7
An alkaline dry battery comprising:
- a battery case,
- a hollow cylindrical positive electrode accommodated in the battery case,
- a negative electrode disposed in the hollow portion of the positive electrode,
- a separator disposed between the positive electrode and the negative electrode, and
- an electrolytic solution contained in the positive electrode, the negative electrode and the separator,
- the alkaline dry battery further comprising a layer principally including a compound containing a polyoxyethylene group between the positive electrode and an inner surface of the battery case, wherein the compound containing the polyoxyethylene group is not less than 60 mass % relative to a total mass of said layer.
Dependencies are inferred from the claim text.