LITHIUM POLYMER BATTERY

A lithium polymer battery is provided. The lithium polymer battery includes a laminate film as an exterior material including a metal foil. The lithium polymer battery further includes a first electrode including the metal foil and a first electrode active material layer provided on the metal foil; a second electrode including a second electrode current collector and a second electrode active material layer provided on the second electrode current collector, and a polymer electrolyte provided at an interface between the metal foil and the first electrode active material layer.