Patent ID: 8460819
Filing Date: 2013-06-11
Classification: H01M,Y02E,Y02P

Abstract:
1. A battery stack arrangement comprising: at least one bipolar battery including a plurality of battery cells arranged between a positive endplate and a negative endplate, each battery cell being provided with a seal arranged around the entire periphery of each battery cell, wherein a sealing pressure (F a mounting frame including at least two mounting units and at least one tie unit holding said mounting units together; said at least one bipolar battery being arranged between a first mounting unit and a second mounting unit; at least one spacing element arranged between said first mounting unit and said second mounting unit, wherein said at least one spacing element abuts against at least one of said positive endplate and said negative endplate of the bipolar battery and is held in place by said mounting frame to create a stack pressure (F means to accommodate changes in battery cell thickness occurring during operation, said means being at least one of flexible mounting units, spring biased tie units, and biased resilient mounting units.