期刊
JOURNAL OF SAUDI CHEMICAL SOCIETY
卷 24, 期 5, 页码 434-444出版社
ELSEVIER
DOI: 10.1016/j.jscs.2020.03.007
关键词
Methanol; Nanorods; NiCo2O4; Electrochemical; Catalyst
资金
- National Research Foundation of Korea (NRF) - Korean government [2019R1H1A2079946, 2020R1A2C100613611]
- National Research Council of Science and Technology (NST) grant by the Korea government (MSIT) [CRC-15-06-KIGAM]
- National Research Foundation of Korea [2019R1H1A2079946] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Fuel cell performance largely relies on the activity of catalyst; hence development of high performance electrocatalysts for the electrooxidation of methanol is highly essential for the further development in fuel cell technology. Herein, we demonstrate a facile hydrothermal approach for the growth of NiCo2O4 nanorods and their application in the methanol electrooxidation. The morphology and surface area investigation reveal the growth of NiCo2O4 nanorods with an average length of 500 nm and a specific surface area of 123 m(2)/g, respectively. The NiCo2O4 nanorods displayed a larger electrochemical activity towards the electrooxidation of methanol in alkaline pH than the quasi-spherical NiCo2O4 nanoparticles. On the NiCo2O4 nanorod based electrode a higher catalytic current density of 129 mA/cm(2) and a high stability with 86% current retention was achieved, signifying that the current non-Pt based catalyst could be a non-expensive alternative candidate for high performance fuel cell application. (C) 2020 The Authors. Published by Elsevier B.V. on behalf of King Saud University.
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