非贵金属/碳氮复合材料电催化析氧反应的研究进展

付永胜, 毕敏, 李春, 孙敬文, 汪信, 朱俊武

Research Progress on Non-noble Metal/Nitrogen-doped Carbon Composite Materials in Electrocatalytic Oxygen Evolution Reaction

FU Yongsheng, BI Min, LI Chun, SUN Jingwen, WANG Xin, ZHU Junwu

图5 (a)N-Co3O4 和N-CoO/C制备过程示意图[59]; (b, c)CoO以及(d, e)N-CoO纳米线阵列的SEM照片[60]; (f)CoO/Co@N-C的制备过程示意图[61]; (g)Co3O4微球, (h)葡糖糖包覆Co3O4微球和(i)CoO/Co@N-C的SEM照片[61]; (j)CoO@N-C、CoO/Co@N-C、盐酸刻蚀处理的CoO/Co@N-C-x样品组(x表示刻蚀时间)、Ir/C以及Pt/C在0.1 mol·L-1 KOH溶液中的(j)LSV曲线和(k)Tafel曲线[61]; (l)CoO/Co@N-C催化剂在0.1 mol·L-1 KOH溶液中2000个CV循环前后的LSV曲线[61]

Fig. 5 (a) Illustration of the synthesis process of N-Co3O4 and N-CoO/C[59]; SEM images of (b, c) CoO and (d, e) N-CoO nanowire arrays[60]; (f) Illustration of the synthesis process of CoO/Co@N-C[61]; SEM images of (g) Co3O4 and (h) Co3O4@Glu microspheres, and (i) CoO/Co@N-C electrocatalyst[61]; (j) LSV curves and (k) Tafel plots of CoO@N-C, CoO/Co@N-C, CoO/Co@N-C-x samples that etched in HCl with x representing etching time, Ir/C and Pt/C in 0.1 mol·L-1 KOH solution; (l) LSV curves for the CoO/Co@N-C electrocatalyst before and after 2000 CV cycles in 0.1 mol·L-1 KOH solution[61] Colorful figures are available on website