Patent ID: 8076021

Claim:
A bipolar battery laminated, in series, with a plurality of bipolar electrodes, with a bipolar electrode being formed with a positive electrode on one surface of a collector and a negative electrode on another surface of the collector, so as to sandwich an electrolyte layer, the bipolar battery comprising: a separator which retains electrolyte of said electrolyte layer; and a seal part comprising a seal resin which is formed and arranged at an outer circumferential part of a part of said separator where the electrolyte is retained and in between the outer circumferential part of said separator and said collector; wherein the seal part is integrated such that the seal resin arranged at the outer circumferential part of the part of the separator and the seal resin between the outer circumferential part and the collector is formed by a single piece of seal resin; wherein the seal part comprising the seal resin at the outer circumferential part of the separator has a greater thickness than a portion of the separator wherein the seal part is not located.