Remarkably Enhanced Hydrogen Oxidation Reaction Activity of Carbon-supported Pt by Facile Nickel Modification
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Long, Chang
Han, Jianyu
Zhang, Jing
Qiu, Xueying
Tang, Zhiyong
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Abstract
Developing high activity catalysts for hydrogen oxidation reaction(HOR) under alkaline condition remains a challenge in the exchange membrane fuel cell(AEMFC). Herein, we report that the activity of carbon-supported platinum(Pt/C) towards the hydrogen oxidation reaction(HOR) in alkaline media can be remarkably enhanced by simple immersion of Pt/C in nickel chloride solution. The adsorption of hydrogen on the catalyst surface is weakened by modification of nickel. The HOR activity on the Pt/C after immersion possesses an excellent mass current density of 33.4 A/gmetal, which is 18% higher than that(28.3 A/gmetal) on Pt/C.
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Chemical Research in Chinese Universities
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36
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1
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Chemical sciences
Science & Technology
Physical Sciences
Chemistry, Multidisciplinary
Electrocatalyst
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Huang, X; Long, C; Han, J; Zhang, J; Qiu, X; Tang, Z, Remarkably Enhanced Hydrogen Oxidation Reaction Activity of Carbon-supported Pt by Facile Nickel Modification, Chemical Research in Chinese Universities, 2020, 36 (1), pp. 105-109