Patent ID: 7279248
Filing Date: 2007-10-09
Classification: H01M,Y02E,Y02P,Y02T,Y10T

Abstract:
1. A bipolar battery comprising: a plurality of bipolar electrodes; electrolyte layers formed between adjacent ones of the plurality of bipolar electrodes, respectively, so that the plurality of bipolar electrodes are stacked in a stacking direction by interposing the electrolyte layers between adjacent ones of the plurality of bipolar electrodes, respectively; sealing portions surrounding and sealing the electrolyte layers, respectively; and contributing members contributing to keeping gaps between the adjacent ones of the plurality of bipolar electrodes, the bipolar battery being a lithium-ion secondary battery and the contributing members being disposed within areas of the sealing portions to be discrete spacers or continuous spacers having heights in the stacking direction so as to spread between adjacent ones of the plurality of bipolar electrodes, respectively.