期刊
SUSTAINABLE ENERGY & FUELS
卷 4, 期 10, 页码 5294-5300出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0se00893a
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资金
- National Natural Science Foundation of China [21371023]
- Beijing Institute of Technology Research Fund Program for Young Scholars [3090012221914]
Developing a noble-metal-free robust and effective electrocatalyst with enhanced active sites for overall water splitting is of great significance yet challenging. Here we demonstrate a bifunctional ultrathin Ni2P nanosheet electrocatalyst through a microwave-assisted method and phosphorization process. The as-prepared Ni2P nanosheets present low overpotentials (eta(10)) of 96 and 255 mV for the hydrogen evolution reaction (HER) and oxygen evolution (OER) at a current density of 10 mA cm(-2)in a basic medium. Remarkably, the overall water splitting electrolyzer exhibits a low cell voltage of 1.47 V to achieve a current density of 10 mA cm(-2)in 1 M KOH with outstanding stability. Our facile and unique synthetic protocol and highly active material will open the avenue for further application of water splitting devices.
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