supported by the MOST(Grant No.2013CB934000,2014DFG71590,2011CB935902,2010DFA72760,2011CB711202,2013AA050903,2011AA11A257 and 2011AA11A254);China Postdoctoral Science Foundation(Grant No.2013M530599 and 2013M540929);Tsinghua University Initiative Scientific Research Program(Grant No.2010THZ08116,2011THZ08139,2011THZ01004 and 2012THZ08129);the State Key Laboratory of Automotive Safety and Energy(No.ZZ2012-011);Suzhou(Wujiang)Automotive Research Institute,Tsinghua University,Project No.2012WJ-A-01
Surface chemical modification of polyolefin separators for lithium ion batteries is attempted to reduce the thermal shrinkage, which is im- portant for the battery energy density. In this study, we grafted organic/ino...