1. SoftBank Advanced Battery Research Office, Research Institute of Advanced Technology, SoftBank Corp., 1-7-1 Kaigan, Minato-ku, Tokyo 105-7529, Japan
2. NIMS-SoftBank Advanced Technologies Development Center, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
3. SEIREN CO., LTD., 48-113-2, Yonozu, Mikuni-Cho, Sakai, Fukui 913-0036, Japan
4. Center for Green Research on Energy and Environmental Materials, National Institute for Material Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan