NONAQUEOUS-ELECTROLYTE SECONDARY BATTERY

摘要

A nonaqueous-electrolyte secondary battery has an electrode assembly having positive and negative electrodes separated from each other by a porous resin separator, and a battery case having a side wall with at least one land projecting inwardly into the battery case or outwardly out of the battery case, the electrode assembly being disposed in the battery case. Alternatively, the battery case may have a plurality of walls and a plurality of round corners each joining adjacent two of the walls.