Journal
NANO RESEARCH
Volume 10, Issue 3, Pages 1001-1009Publisher
TSINGHUA UNIV PRESS
DOI: 10.1007/s12274-016-1359-4
Keywords
ternary; Co0.5Mn0.5P/carbon cloth (CC) nanowire; self-supported electrode; hydrogen evolution
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Funding
- National Natural Science Foundation of China [21190040]
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Scalable production of earth-abundant, easy-to-prepare, and cost-effective electrocatalysts for the hydrogen evolution reaction (HER) is essential for sustainable energy-based systems. Herein, we systematically studied the electrocatalytic HER performance of a self-supported ternary Co0.5Mn0.5P/carbon cloth (CC) nanomaterial prepared using a hydrothermal reaction and phosphorization process. Electrochemical tests demonstrated that the ternary Co0.5Mn0.5P/CC nanomaterial could be a highly active electrocatalyst in acidic media, with overpotentials of only 41 and 89 mV, affording current densities of 10 and 100 mA center dot cm(-2), respectively, and a Tafel slope of 41.7 mV center dot dec(-1). Furthermore, the electrocatalyst exhibited superior stability, with 3,000 cycles of cyclic voltammetry from-0.2 to 0.2 V at a scan rate of 100 mV center dot s(-1) and 40 h of static polarization at a fixed overpotential of 83 mV, indicating its potential for large-scale hydrogen production.
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