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The development of efficient catalysts for the hydrogen evolution reaction (HER) is of extreme importance for future renewable energy systems. In this work, we report on the synthesis of a novel hybrid electrode that boracic nanospheres grown on the top of some ${\rm NiCo}_2{\rm O}_4$ nanowires with nickel foam as the baseboard$({\rm B-NiCo}_2{\rm O}_4{\rm /NF}).$ Due to this unique structural features, the electrocatalyst has a good activity for HER, which needs overpotential of 150 mV to afford the current density of 10 mA ${\rm cm}^{-2},$ the catalytic activity is maintained for at least 18 h. This work provides a promising methodology for the designing and fabricating highly efficient boracic catalysts for HER.
}, issn = {2079-7346}, doi = {https://doi.org/10.4208/jams.022519.032219a}, url = {http://global-sci.org/intro/article_detail/jams/13109.html} }The development of efficient catalysts for the hydrogen evolution reaction (HER) is of extreme importance for future renewable energy systems. In this work, we report on the synthesis of a novel hybrid electrode that boracic nanospheres grown on the top of some ${\rm NiCo}_2{\rm O}_4$ nanowires with nickel foam as the baseboard$({\rm B-NiCo}_2{\rm O}_4{\rm /NF}).$ Due to this unique structural features, the electrocatalyst has a good activity for HER, which needs overpotential of 150 mV to afford the current density of 10 mA ${\rm cm}^{-2},$ the catalytic activity is maintained for at least 18 h. This work provides a promising methodology for the designing and fabricating highly efficient boracic catalysts for HER.