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HER catalytic activity and stability showed by Pt nanoparticle (NP) −deposited 2D Ti3C2Tx MXenes with relatively low Pt contents (0.98−3.10 wt%). The electrochemical results indicate that the prepared catalysts showed optimal HER activity as the cycle reached 40, with an overpotential of 67.8 mV approaching that of the commercial Pt/C catalyst (64.2 mV). (Reprinted with permission from Ref. [105], Copyright 2020, American Chemical Society).
