Proceedings of nanoGe Fall Meeting 2021 (NFM21)
DOI: https://doi.org/10.29363/nanoge.nfm.2021.192
Publication date: 23rd September 2021
Hydrogen, when produced by electrochemical water splitting, powered by renewable and clean energy resources such as solar energy, tidal and wind, has emerged as a promising energy vector to respond to this increasing energy demand and to decarbonize transportation, heating and fine chemicals sectors.Traditionally, Pt and Ru based catalysts are considered the most efficient materials for the HER, however, they are expensive and scarce. More recently, electrocatalysts based on earth-abundant and cost-effective materials have been reported with remarkably efficient HER performance.
In this work, we report a (i) cost-effective and (ii) facile to synthetize reproducible Cu2S electrocatalyst with (iii) current densities close to 400 mA cm-2 and Faradaic efficiencies near 100% for HER. With this electrocatalyst we achive long stabilities never before reported.
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