1. Consortium for Lithium Ion Battery Technology and Evaluation Center (LIBTEC), 1-8-31 Midorigaoka, Ikeda, Osaka 563-8577, Japan
2. Mitsui Mining and Smelting Co., Ltd., 1333-2 Haraichi, Ageo, Saitama 362-0021, Japan
3. Department of Applied Chemistry, Graduate School of Engineering, Osaka Metropolitan University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan