Honda Motor Co., Ltd.
POUCH CELL

Abstract:

A pouch cell includes: a storage discharge element having a substantially cuboid shape; a power collection tab lead that is thinner than the storage discharge element and is externally drawn from the storage discharge element; and an exterior film that packages the storage discharge element in a state where the power collection tab lead is externally drawn, wherein the exterior film includes: a holding part that sandwiches the power collection tab lead from front and rear surfaces in a thickness direction; a fold part along an outline of the holding part; and a reinforcement part that is folded from the fold part and is joined to at least the holding part, the fold part is joined to a side portion that extends in a thickness direction of the holding part, the reinforcement part is folded back in a direction of sandwiching the power collection tab lead by the fold part, and the reinforcement part includes an extension portion that extends from the fold part along a drawn direction of the power collection tab lead or a direction that crosses the drawn direction.