Battery with current collection tab and current collection terminal

Abstract

The present disclosure solves the problem by providing a battery including: an electrode body; a current collection terminal disposed at a side surface portion of the electrode body; and a laminate film covering the electrode body and the current collection terminal, in which: the electrode body includes a current collection tab; the current collection tab and the current collection terminal are electrically connected; the laminate film includes a metal layer and an inner resin layer closer to the current collection terminal than the metal layer is; the current collection terminal includes a base portion and a porous portion closer to the laminate film than the base portion is; a resin layer including the inner resin layer is disposed between the base portion and the metal layer; the porous portion and the resin layer contact; and at least a part of the resin layer fills the interior of the porous portion.

CPC Classifications