1. Laboratory of Advanced Power SourcesJilin Province Key Laboratory of Low Carbon Chemical Power SourcesChangchun Institute of Applied ChemistryChinese Academy of Sciences Changchun Jilin 130022 P. R. China
2. School of Applied Chemistry and EngineeringUniversity of Science and Technology of China Hefei Anhui 230026 P. R. China
3. Shanghai Institute of Applied PhysicsChinese Academy of Science Shanghai 201800 P. R. China
4. University of Chinese Academy of Sciences Beijing 100049 P. R. China
5. Shanghai Synchrotron Radiation Facility, Zhangjiang LabShanghai Advanced Research InstituteChinese Academy of Science Shanghai 201210 P. R. China