1. Institute of Batteries School of Materials and Energy Guangdong University of Technology Guangzhou 510006 China
2. The Key Laboratory of Fuel Cell Technology of Guangdong Province School of Chemistry and Chemical Engineering South China University of Technology Guangzhou 510641 China
3. Énergie Matériaux Télécommunications Research Centre Institut National de la Recherche Scientifique (INRS) Varennes Québec J3X 1S2 Canada