Journal
SUSTAINABLE ENERGY & FUELS
Volume 4, Issue 3, Pages 1078-1083Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9se00853e
Keywords
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Funding
- National Natural Science Foundation of China [61674152]
- Natural Science Foundation of Fujian Province of China [2017J01130]
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High charge transport efficiency and large specific surface are two critical factors for the hydrogen evolution reaction. In this work, we report a simple method to fabricate tungsten carbide (WC) on W foil through a carbonization reaction at high temperature. WC nanoparticles with high conductivity form chemical bonds with W foil, thereby significantly minimizing the contact resistance between the catalyst (WC) and electrode (W foil). As an outstanding hydrogen evolution cathode, the WC/W electrode exhibits high HER activity with overpotentials of 87 mV and 68 mV to drive a current density of 10 mA cm(-2) in 0.5 M H2SO4 and 1 M KOH, respectively.
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