Tracking the critical roles of Cu+ and Cu0 sites and the optimal Cu+/Cu0 ratio for CH3OH steam reforming (MTSR) to manufacture H2 - Jiamei Ma; Lei Mao; Haoxuan Du; Jingkang Zhong; Lifang Jiang; Xiaofei Liu; Junwei Xu; Xianglan Xu; Xiuzhong Fang; Xiang Wang (Chemical Engineering Journal, 2024)