1. Department of Materials Engineering
2. KU Leuven
3. Leuven 3001
4. Belgium
5. Collaborative Innovation Center of Clean Energy
6. Centre for Surface Chemistry and Catalysis
7. Henan Province Industrial Technology Research Institute of Resources and Materials
8. Zhengzhou University
9. 450001 Zhengzhou
10. China
11. Henan Key Laboratory of High Temperature Functional Ceramics
12. Catalan Institute of Nanoscience and Nanotechnology (ICN2)
13. CSIC
14. BIST
15. 08193 Barcelona
16. Spain
17. Catalonia Institute for Energy Research (IREC)
18. 08930 Barcelona