On the Effect of Cu on the Activity of Carbon Supported Ni Nanoparticles for Hydrogen Electrode Reactions in Alkaline Medium

On the Effect of Cu on the Activity of Carbon Supported Ni Nanoparticles for Hydrogen Electrode Reactions in Alkaline Medium Научная публикация

Журнал

Topics in Catalysis
ISSN: 1022-5528 , E-ISSN: 1572-9028

Вых. Данные

Год: 2015, Том: 58, Номер: 18, Страницы: 1181-1192 Страниц : 12 DOI: 10.1007/s11244-015-0487-5

Авторы

Oshchepkov Alexandr G. ^1,2,3 , Simonov Pavel A. ^1,4 , Cherstiouk Olga V. ^1,4 , Nazmutdinov Renat R. ⁶ , Glukhov Dmitrii V. ⁶ , Zaikovskii Vladimir I. ^1,4 , Kardash Tatyana Yu. ^1,5 , Kvon Ren I. ¹ , Bonnefont Antoine ³ , Simonov Alexandr N. ⁷ , Parmon Valentin N. ^1,4 , Savinova Elena R. ²

Организации

1	Boreskov Institute of Catalysis, Novosibirsk, Russia 630090
2	Institut de Chimie et Procedes pour l’Energie, l’Environnement et la Sante, UMR 7515 CNRS-University of Strasbourg, 67087 Strasbourg Cedex, France 3
3	Institut de Chimie de Strasbourg, UMR 7177 CNRS-University of Strasbourg, 67070 Strasbourg, France
4	Novosibirsk State University, Novosibirsk, Russia 630090
5	Research and Educational Center for Energy Efficient Catalysis, Novosibirsk State University, Novosibirsk, Russia 630090
6	Kazan National Research Technological University, Kazan, Russia 420015
7	School of Chemistry, Monash University, Clayton, VIC 3800, Australia

Effects of adding varied amounts of copper to carbon-supported nickel particles on their structure, composition and electrocatalytic activity for the hydrogen oxidation and evolution reactions in alkaline medium have been explored. Ni1-x Cu x /C catalysts were prepared by the incipient wetness impregnation. Comprehensive characterization of the catalysts included X-ray powder diffraction, X-ray photoelectron spectroscopic, transmission electron microscopic and cyclic voltammetric analyses, while atomistic Monte Carlo simulations have been undertaken to obtain further insights into the structure of the bimetallic NiCu nanoparticles. We found that compared to monometallic Ni, NiCu nanoparticles show lower propensity towards oxidation under ambient conditions. Furthermore, we report that adding Cu allows increasing the surface-weighted electrocatalytic activity, and the specific surface area of Ni1-x Cu x /C electrodes, both contributing to a ca four-fold enhancement of the mass-weighted activity. The nature of the synergistic interactions between Ni and Cu is proposed on the basis of the analysis of experimental data and Monte Carlo structural modelling results.

Oshchepkov A.G. , Simonov P.A. , Cherstiouk O.V. , Nazmutdinov R.R. , Glukhov D.V. , Zaikovskii V.I. , Kardash T.Y. , Kvon R.I. , Bonnefont A. , Simonov A.N. , Parmon V.N. , Savinova E.R.
On the Effect of Cu on the Activity of Carbon Supported Ni Nanoparticles for Hydrogen Electrode Reactions in Alkaline Medium
Topics in Catalysis. 2015. V.58. N18. P.1181-1192. DOI: 10.1007/s11244-015-0487-5 WOS Scopus РИНЦ CAPlusCA OpenAlex Sciact

Опубликована online:	21 сент. 2015 г.
Опубликована в печати:	1 нояб. 2015 г.

Web of science:	WOS:000363941200005
Scopus:	2-s2.0-84979966734
РИНЦ:	27119526
Chemical Abstracts:	2015:1532448
Chemical Abstracts (print):	163:561609
OpenAlex:	W1706295424
Sciact:	8153

БД	Цитирований
Scopus	52
OpenAlex	55