1. Department of Applied Chemistry, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku, Tokyo162-8601, Japan
2. Battery Materials Analysis Group, Center for Green Research on Energy and Environmental Materials (GREEN), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki305-0044, Japan
3. Umicore Japan, KK 1-2-3 Kita-Aoyama, Minato-ku, Tokyo107-0061, Japan