期刊
JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷 580, 期 -, 页码 99-107出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2020.06.124
关键词
Octylphenoxypolyethoxyethanol; Hydrogen evolution reaction; Wire-like nanonetworks; Multi-metallic nanocrystals; Electrocatalysts
资金
- Zhejiang Public Welfare Technology Application Research Project [LGG19B050001]
- Natural Science Foundation of Zhejiang Province [Q19B050016]
Exploring advanced nanocatalysts are of importance for hydrogen evolution reaction (HER) in alkaline electrolyte (e.g. 1.0 M KOH). Herein, porous iridium-palladium-plumbum wire-like nanonetworks (IrPdPb WNNs) were prepared by a facile one-pot aqueous method with octylphenoxypolyethoxyethanol (NP-40) as the structure-director. The resultant IrPdPb WNNs exhibited superior HER performance in the alkaline electrolyte, such as ultra-low overpotential (21 mV) to drive a current density of 10 mA cm(2) , small Tafel slope (66 mV dec (1)), and high exchange current density (4.87 mA cm (2)), surpassing commercial Pt/C. This study provides a simple strategy for synthesis of advanced multi-metallic electrocatalysts in energy storage and conversion. (C) 2020 Elsevier Inc. All rights reserved.
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