한국전기화학회

Vol.13, No.3, August 2010

High Performance of Nano-sized LiFePO4 Positive Electrode Using Etched Al Current Collector: JKES Vol.13, No.3, pp.157~162, August 2010; DOI : 10.5229/JKES.2010.13.3.157

Gil-Won Lee, Ji-Heon Ryu, Seung-M. Oh

Department of Chemical and Biological Engineering and Research Center for Energy Conversion & Storage, Seoul National University, Seoul, 151-744 ,Korea Graduate School of Knowledge-Based Technology and Energy, Korea Polytechnic University, Siheung, Gyeong

The electrodes comprising nano-sized LiFePO4, carbon black and binder are prepared with two different Al current collectors. One is the generally used normal Al foil and the other is the chemically etched Al foil. Surface characteristics of each Al foil a

Keyword : Lithium ion batteries, LiFePO4, Etched aluminum current collector, Peel strength, Areaspecific impedance

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JKES

Vol.13, No.3, August 2010