RETRACTED: Porous Organic Polymer-Derived Fe2P@N,P-Codoped Porous Carbon as Efficient Electrocatalysts for pH Universal ORR (Retracted article. See vol. 7, 2022)

被引:24
作者
Zhang, Meng [1 ,3 ]
Ming, Jingjing [1 ,3 ]
Zhang, Wenhua [1 ,2 ]
Xie, Jingru [1 ,3 ]
Lin, Ping [1 ,3 ]
Song, Xiaofei [1 ,3 ]
Chen, Xiangying [1 ,2 ]
Wang, Xuedong [1 ,3 ]
Zhou, Baolong [1 ,2 ,3 ]
机构
[1] Weifang Peoples Hosp, Dept Clin Pharm, Weifang 261000, Shandong, Peoples R China
[2] Weifang Med Univ, Affiliated Hosp, Weifang 261031, Shandong, Peoples R China
[3] Weifang Med Univ, Coll Pharm, Weifang 261053, Shandong, Peoples R China
基金
中国国家自然科学基金;
关键词
ONE-POT SYNTHESIS; HIGH-PERFORMANCE ELECTROCATALYSTS; OXYGEN REDUCTION; NANOSHEETS; CATALYSTS; BATTERIES; CATHODE; DESIGN; PHASE; CO2;
D O I
10.1021/acsomega.9b03851
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A new porous organic polymer (CP-CMP) was designed and synthesized via the direct polymerization of pyrrole and hexakis(4-formyl-phenoxy)cyclotriphosphazene, skipping the tedious synthetic procedure of porphyrin-monomers containing special groups. This special porous organic polymer (POP) serves as an "all in one" precursor for C, N, P, and Fe. Direct carbonization of this special POP afforded Fe2P@N,P-codoped porous carbons with hierarchical pore structure and high graphitization. Finally, the optimal catalyst (CP-CMP-900) prepared by carbonization of CP-CMP at 900 degrees C exhibited high efficiency for oxygen electroreduction. Typically, CP-CMP-900 presented an oxygen reduction reaction half-wave potential (E-1/2) of 0.85, 0.73, and 0.65 V, respectively, in alkaline, neutral, and acidic media, close to those of commercial Pt/C in the same electrolyte (0.843, 0.71, and 0.74 V). Furthermore, it also displayed excellent methanol immunity and long-time stability in various electrolytes better than commercial Pt/C (20%).
引用
收藏
页码:7225 / 7234
页数:10
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