Biomass-derived N,S co-doped 3D multichannel carbon supported Au@Pd@Pt catalysts for oxygen reduction

被引：18

作者：

Sun, Yegeng ^{[1
]}

Zhang, Wei ^{[2
]}

Wang, Qing ^{[1
]}

Han, Ning ^{[2
]}

Nunez-Delgado, Avelino ^{[3
]}

Cao, Yue ^{[1
]}

Si, Weimeng ^{[1
]}

Wang, Fagang ^{[1
]}

Liu, Shaomin ^{[4
]}

机构：

[1] Shandong Univ Technol, Sch Mat Sci & Engn, Zibo 255000, Peoples R China

[2] Katholieke Univ Leuven, Dept Mat Engn, Kasteelpk Arenberg 44, B-3001 Leuven, Belgium

[3] Univ Santiago de Compostela, Dept Soil Sci & Agr Chem, Engn Polytech Sch, Campus Univ Lugo, Santiago De Compostela, Spain

[4] Beijing Univ Chem Technol, Coll Chem Engn, Beijing 100029, Peoples R China

来源：

ENVIRONMENTAL RESEARCH | 2021年 / 202卷

基金：

中国国家自然科学基金;

关键词：

ORR; Electrochemistry; Co-doping; Carbon; Biomass; METAL-FREE ELECTROCATALYSTS; FUEL-CELL; HIGHLY EFFICIENT; PLATINUM NANOWIRES; POROUS CARBON; RAMAN-SPECTRA; NITROGEN; SHELL; GRAPHENE; PERFORMANCE;

D O I：

10.1016/j.envres.2021.111684

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A beancurd-derived mesoporous carbon (NSC) was prepared by an environmentally friendly procedure, and then it was investigated as Au@Pd@Pt core-shell catalysts support (Au@Pd@Pt-NSC) for oxygen reduction reaction (ORR). The Au@Pd@Pt-NSC (E1/2 = 0.91 V) has a marginally negative ORR half-wave potential compared with other materials, in particular Pt/C (E1/2 = 0.87 V) and Au@Pd@Pt-C (E1/2 = 0.81 V). The specific and mass activities of the Au@Pd@Pt-NSC were 5 and 13 times higher than the commercial a Pt/C catalyst. After 20000 cycles of rapid durability test, the Au@Pd@Pt-NSC sample showed a loss of just 4.9% compared with the initial ECSA area, which can be attributed to the favorable interaction between Au@Pd@Pt and NSC. These results can be considered of environmental relevance and high potential applicability.

引用

页数：10

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