Patent ID: 7704637
Filing Date: 2010-04-27
Classification: H01M,Y02E,Y02P

Abstract:
1. A lithium ion battery, comprising: a shell for serving as a casing of said lithium ion battery; an electrolyte, situated within said shell; a plurality of electrode sets, surrounded by said electrolyte, having an anode, a cathode, and a diaphragm, positioned between said anode and said cathode, for serving as a separator of said anode and said cathode; and a non-metal porous elastomer that is sandwiched between two electrode sets of said plurality of electrode sets and is disposed between said plurality of electrode sets and the inside wall of said shell; wherein said non-metal porous elastomer is a polyolefine having a thickness of 0.5 mm-5.0 mm and a porosity of 10%-80%.