CO2-to-CO conversion using a Ni-based oxygen carrier in a bubbling fluidized bed and its integration potential with chemical looping combustion - Yooseob Won; Kyung Rok Lee; Ho-Jung Ryu; Yujin Choi; Byung Wook Hwang; Daewook Kim; Jae-Young Kim; Hana Kim; Dong-Ho Lee; Ji Hyeon Whang; Yongseon Lee; Ji Bong Joo (Chemical Engineering Journal, 2025)