화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.45, 15-21, January, 2017
DOI10.1016/j.jiec.2016.08.021  Export Citation
Surface-modified polyethylene separator via oxygen plasma treatment for lithium ion battery
So Yeon Jin1, James Manuel2, Xiaohui Zhao2, Won Ho Park1, †, and Jou-Hyeon Ahn2, 3, †
  • 1Department of Advanced Organic Materials and Textile System Engineering, Chungnam National University, Daejeon 305-764, Republic of Korea
  • 2Department of Chemical Engineering and Research Institute for Green Energy Convergence Technology, Jinju 52828, Republic of Korea
  • 3Department of Materials Engineering and Convergence Technology and RIGET, Gyeongsang National University, Jinju 52828, Republic of Korea
E-mail:,
The separator is an important component in lithium ion batteries (LIBs). However, commercial separators such as polyethylene (PE) and polypropylene (PP) are in urgent need to be modified to improve the surface properties to meet requirements for high performance LIBs. In this study, oxygen plasma has been applied tomodify the surface of PE separating membrane with functional groups, which has greatly improved the electrolyte wettability and retention of PE separators. The cells with plasmatreated PE separators showed improved charge-discharge capability with lower interfacial resistance and stable cycling performance. This result demonstrates a high potential of the plasma-treated PE separator in LIBs.
Keywords:Lithium ion batteries;Separator;Plasma treatment;Electrolyte wettability;Surface modification
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