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Haotian Wang1

1, Harvard University, Cambridge, Massachusetts, United States

Electrochemical and chemical tuning of catalytic materials have shown its efficacy in significantly modifying the electronic strcutures of catalysts, and thus improving their activities in electrocatalysis. Here we present a few examples including Li intercalation tuning of MoS2 for improved hydrogen evolution reaction, Li extraction tuning of LiCoO2 for improved oxygen evolution reaction, and Li ion battery cycling of metal oxides for overall water-splitting catalysis. We successfully scaled up to more than 50 A of H2 production current in a unit cell for large-scale deployment in real applications.

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