Lead-acid battery separator, lead-acid battery and manufacturing method thereof, and adhesion improving method

摘要

PROBLEM TO BE SOLVED: To provide a lead-acid battery separator capable of improving the adhesion between an electrode and a separator. SOLUTION: The lead acid battery separator according to the first embodiment contains a swelling agent and can swell by contact with sulfuric acid. The lead storage battery separator according to the second embodiment is a swelling body containing a swelling agent and sulfuric acid. [Selection diagram] None