Journal
APPLIED CATALYSIS B-ENVIRONMENTAL
Volume 258, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.apcatb.2019.117996
Keywords
CoSe2 nanoparticles; CNC nanoflake; Electrocatalysts; Hydrogen evolution reaction
Funding
- National Natural Science Foundation of China [21773024, 51372033]
- National High Technology Research and Development Program of China [2015AA034202]
Ask authors/readers for more resources
It is still challenging to develop highly efficient and stable non-noble metal-based electrocatalysts for hydrogen evolution reaction (HER). Herein, CoSe2 nanoparticles embedded Co-N-doped carbon nanoflake arrays (CS@CNC NAs) are grown on carbon cloth (CC) through a co-precipitation and annealing process. The CS@CNC NAs/CC hybrid electrocatalyst shows superior HER performance with a small Tafel slope of 38 mV dec(-1), an ultralow overpotential of 84 mV at 10 mA cm(-2) and an excellent long-term stability with nearly no decay even after 72 h. The outstanding HER performance of CS@CNC NAs/CC is mainly attributed to the synergetic effects of CoSe2 nanoparticles and CNC nanoflake arrays, which can not only provide rich active sites, easy access of electrolyte and diffusion of H-2 bubbles, but also guarantee its high conductivity and structural stability. This work provides a novel strategy for the rational fabrication of highly effective and stable transition metal selenide-based electrocatalysts for HER.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available