Alkaline battery

摘要

An alkaline battery according to the present invention includes: a battery case that houses a power generation element therein; and an assembly sealing portion that closes an opening of the battery case. The assembly sealing portion includes a negative terminal portion, a negative current collector electrically connected to the negative terminal portion, and a resin sealing body. The negative terminal portion includes a first negative terminal plate and a second negative terminal plate spaced apart from each other, and a PTC element placed between the first negative terminal plate and the second negative terminal plate.