1. Department
of Applied Chemistry and Biochemistry, Graduate School of Science
and Technology, Kumamoto University, 2-39-1 Kurokami, Chuo, Kumamoto 860-8555, Japan
2. Department
of Mechanical Engineering, State Polytechnic of Malang, Jl. Soekarno
Hatta No. 9, Malang 65141, Indonesia
3. Unit of Elements Strategy Initiative for Catalysts & Batteries, Kyoto University, 1-30 Goryo-Ohara, Nishikyo, Kyoto 615-8545, Japan