1. Department of Chemical Engineering, Graduate School of Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan
2. Department of New Investment, P. T. Rekayasa Industri Holding Company, Jl. Kalibata Timur I No. 36, Jakarta 12740, Indonesia
3. Battery Materials Research Laboratory, Kurashiki Research Center, Kuraray Co., Ltd., 2045-1 Sakazu, Kurashiki, Okayama 710-0801, Japan