1. Qingdao Industrial Energy Storage Research Institute Qingdao Institute of Bioenergy and Bioprocess Technology Chinese Academy of Sciences Qingdao 266101 P. R. China
2. Shandong Energy Institute Qingdao 266101 P. R. China
3. Qingdao New Energy Shandong Laboratory Qingdao 266101 P. R. China
4. School of Future Technology University of Chinese Academy of Sciences Beijing 100049 P. R. China
5. CAS Key Laboratory of Green Process and Engineering Beijing Key Laboratory of Ionic Liquids Clean Process Institute of Process Engineering Chinese Academy of Sciences Beijing 100190 P. R. China
6. Max Planck Institute for Chemical Physics of Solids D‐01187 Dresden Germany
7. National Synchrotron Radiation Research Center Hsinchu Taiwan 30076 Republic of China
8. Synchrotron Soleil L'Orme des Merisiers St‐Aubin Gif‐sur‐Yvette 91192 France