Abstract
The demand for green and clean technology motivates the research community to find a novel electrocatalyst for overall water-splitting. Therefore, in this study, we developed a hybrid non-noble metal catalyst nanocomposite of Ti3C2–CoS2 (TC-CS) as a bifunctional electrocatalyst for hydrogen evolution reaction (HER) and oxygen evolution reaction (OER). The nanocomposite shows crushed nanosheets of Ti3C2 sprinkle on the CoS2 (CS) surface thus increasing the electrochemically active surface area of the catalyst. The nanocomposite exhibits a low overpotential of 276 mV for HER and 376 mV for OER with a Tafel slope of 159 mV dec−1 and 22 mV dec−1. This new kind of MXene composite will create a revolution in future energy technology.
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