Ultrathin PdFePb nanowires: One-pot aqueous synthesis and efficient electrocatalysis for polyhydric alcohol oxidation reaction

被引：29

作者：

Zhang, Ru-Lan ^{[1
]}

Feng, Jiu-Ju ^{[1
]}

Zhang, Lu ^{[1
]}

Shi, Chuan-Guo ^{[2
,3
]}

Wang, Ai-Jun ^{[1
]}

机构：

[1] Zhejiang Normal Univ, Coll Geog & Environm Sci, Coll Chem & Life Sci, Key Lab Minist Educ Adv Catalysis Mat, Jinhua 321004, Zhejiang, Peoples R China

[2] Nantong Univ, Coll Chem & Chem Engn, Nantong 226019, Peoples R China

[3] Nantong Reform Petrochem Co Ltd, Nantong 226007, Peoples R China

来源：

JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2019年 / 555卷

基金：

中国国家自然科学基金;

关键词：

Ultrathin nanowires; Tri-metals; One-pot aqueous synthesis; Ethylene glycol oxidation reaction; Glycerol oxidation reaction; ETHYLENE-GLYCOL; OXYGEN REDUCTION; ETHANOL OXIDATION; HYDROGEN EVOLUTION; FUEL-CELLS; NETWORKS; METHANOL; CATALYST; ELECTROOXIDATION; NANODENDRITES;

D O I：

10.1016/j.jcis.2019.07.093

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Synthesis of high-efficiency catalysts for alcohol oxidation reaction caused great interest in direct alcohol fuel cells (DAFCs). Ultrathin PdFePb nanowires (NWs) with an average diameter of 2.3 nm were synthesized by a simple and fast one-pot aqueous synthesis, using octylphenoxypolyethoxyethanol (NP-40) as the structure-directing agent. The as-prepared PdFePb NWs displayed an increscent electrochemically active surface area (ECSA, 121.18 m(2) g(-1) (Pd)). For ethylene glycol oxidation reaction (EGOR) and glycerol oxidation reaction (GOR), PdFePb NWs exhibited much higher activity and superior stability, outperforming those of homemade PdFe NWs, PdPb NWs, commercial Pd black and Pd/C (20 wt%). These results reveal dramatically high catalytic activity and durability of ultrathin PdFePb NWs in enhancing polyols electrooxidation. (C) 2019 Elsevier Inc. All rights reserved.

引用

页码：276 / 283

页数：8

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