Syngas chemical looping process: Ni–Fe bimetallic oxygen carriers for maximizing blue hydrogen yield. - Luan, Chuanbao; Cheng, Qifan; Zhu, Ningjing; Tong, Andrew; Zhang, Yinan; Moatswi, Usina Martha; Li, Shiyu; Zeng, Liang; Fan, Liang‐Shih (AIChE Journal, 2025)