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Probing layered Y(TM)B4 (TM = Cr, Mo and W) borides as efficient hydrogen evolution reaction electrocatalysts
Md Ali Hossain1, Lesly Delgado1, Rutva Joshi1
1Department of Chemistry, Rutgers University, Newark, Newark, NJ 07102, USA. georgiy.akopov@rutgers.edu.
Abstract:
In this study, three layered ternary metal borides were analyzed: YCrB4, YMoB4, and YWB4. YWB4 demonstrated the highest catalytic activity, surpassing the Pt/C catalyst by 185 mV overpotential at an industrially relevant current density of 1000 mA cm-2. Furthermore, stability testing revealed that YWB4 retained 95% of its initial activity after 25 hours of continuous operation (5000 cycles) at 1000 mA cm-2, underscoring its potential as a robust and sustainable HER catalyst for hydrogen production.
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