Patent ID: 11888163
Assignee: FDK CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. An alkaline battery comprising:
a bottomed tubular battery can made of metal as a positive electrode current collector;
a positive electrode mixture sealed in the battery can and formed in a cylindrical shape, the positive electrode mixture containing manganese dioxide as a positive electrode active material and containing a binder including fluorine resin, such that the binder is present in an amount of 0.2 wt % or more and 0.8 wt % or less of the positive electrode mixture;
a bottomed tubular separator sealed in the battery can and arranged on an inner peripheral side of the positive electrode mixture;
a gel-form negative electrode mixture sealed in the battery can, arranged inside the separator, containing zinc powder as a negative electrode active material; and
an electrolyte that includes an alkaline aqueous solution, sealed inside the battery can,
wherein the positive electrode mixture further contains 2.39 wt % or more and less than 3.35 wt % water with respect to the positive electrode active material.