1. Department of Engineering ChemistryChungbuk National University 1, Chungdae‐Ro, Seowon‐Gu Cheongju‐si Chungbuk 361‐763 Republic of Korea
2. Energy & Environmental DivisionKorea Institute of Ceramic Engineering & Technology (KICET) 101 Soho‐Ro Jinju‐si Gyeongsangnam‐do 52581 Republic of Korea
3. Department of Materials Science and EngineeringKorea University, Anam‐Dong Seongbuk‐Gu Seoul 136‐713 Republic of Korea
4. School of Energy Systems EngineeringChung‐Ang University Seoul 06974 Republic of Korea