期刊
JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷 555, 期 -, 页码 276-283出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2019.07.093
关键词
Ultrathin nanowires; Tri-metals; One-pot aqueous synthesis; Ethylene glycol oxidation reaction; Glycerol oxidation reaction
资金
- Zhejiang Public Welfare Technology Application Research Project [LGG198050001, LGG18E010001]
- National Natural Science Foundation of China [21475118, 21805245]
- Nantong Science and Technology Project [MS12017018-4]
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.
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