限域型贵金属氧还原反应电催化剂研究进展

胡冶州, 王双, 申涛, 朱叶, 王得丽

Recent progress in confined noble-metal electrocatalysts for oxygen reduction reaction

Yezhou HU, Shuang WANG, Tao SHEN, Ye ZHU, Deli WANG

图7 “基于一步热解策略”的碳层限域。(a) Pt@GC的制备示意图；(b) Pd@N-C NFs制备示意图；(c) Pt@CN x /CNT的制备示意图；(d) Pt@CS/CNF的稳定性测试对比图；(e) O-PtFe@NC/C的制备示意图；(f) O-PtFe@NC/C催化剂的高温质子交换膜燃料电池极化曲线; (g) 一步低温热处理得到Pt@C/C的制备示意图

Fig. 7 Carbon confinement base on ‘one-step pyrolysis’ strategy. (a) The schematic diagram of Pt@GC; (b) The schematic diagram of Pd@N-C NFs; (c) The schematic diagram of Pt@CN x /CNT; (d) The stability tests of Pt@CS/CNF; (e) The schematic diagram of O-Pt-Fe@NC/C; (f) The high-temperature fuel cell polarization curves of O-Pt-Fe@NC/C and Pt/C; (g) The synthesis of Pt@C/C trough one-step low temperature pyrolysis