1. College of Science; Hunan Agricultural University; Changsha, Hunan Province 410128 China
2. School of Energy Science and Engineering; Institute for Electrochemical Energy Storage; Nanjing Tech University; Nanjing 211816 Jiangsu Province China
3. State Key Laboratory of Operation and Control of Renewable Energy & Storage Systems; China
4. Hunan Province Yinfeng New Energy Co.LTD; Changsha 410000 China
5. Technische Universität Chemnitz; Institut für Chemie; 09107 Chemnitz Germany