1. Institute of New Energy TechnologyCollege of Information Science and TechnologyJinan University Guangzhou 510632 China
2. National Engineering Research Center for Advanced Polymer Processing TechnologyZhengzhou University Zhengzhou 450002 China
3. Institute of Materials for Electronics and Energy Technology (i‐MEET)Friedrich‐Alexander University Erlangen‐Nürnberg Martensstrasse 7 91058 Erlangen Germany
4. Helmholtz‐Institute Erlangen‐Nürnberg for Renewable Energy (IEK‐11)Forschungszentrum Jülich Immerwahrstrasse 2 91058 Erlangen Germany