电化学氧还原反应合成H2O2碳基催化剂研究进展

何峰, 张静静, 陈奕君, 张建, 王得丽

Recent progress on carbon-based catalysts for electrochemical synthesis of H2O2 via oxygen reduction reaction

Feng HE, Jingjing ZHANG, Yijun CHEN, Jian ZHANG, Deli WANG

图7 (a) 模拟的M-N-C催化剂氧化前后催化位点和氧气吸附变化[46]；(b) 通过ORR产生H2O(蓝色)和H2O2(红色)计算出的催化活性火山[43]；(c) 老化后CoN@CNTs的XPS O 1s光谱；(d) CoN@CNTs的XPS O 1s光谱[67]；(e) 通过2e-(红色)或4e-(黑色)路径计算不同构型SACs的ORR活火山图；(f) *OOH吸附能与活性位(O邻C原子)电荷态的相关性[88]

Fig. 7 (a) simulated Me-N-C catalyst before and after oxidation changes in catalytic sites and oxygen adsorption [46]; (b) calculated catalytic activity volcanoes for the production of H2O (blue) and H2O2 (red) via the ORR (bottom panel) [43]; XPS O 1s spectra of (c) aged CoN@CNTs (d) EA-CoN@CNTs [67]; (e) computed activity volcano plots of ORR via the 2e- (red color) or 4e- (black) pathway for SACs with varied configurations; (f) correlation between the *OOH adsorption energies and charge state of the active site (O-adjacent C atom) [88]