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HomeTechnologyPt single atoms meet steel–natural frameworks to reinforce electrocatalytic hydrogen evolution exercise

Pt single atoms meet steel–natural frameworks to reinforce electrocatalytic hydrogen evolution exercise


The electrochemical hydrogen evolution response (HER) successfully produces clear, renewable, and sustainable hydrogen; nevertheless, the event of environment friendly electrocatalysts is required to cut back the excessive power barrier of the HER. Herein, we report two wonderful single-atom (SA)/steel–natural framework (MOF) composite electrocatalysts (PtSA-MIL100(Fe) and PtSA-MIL101(Cr)) for HER. The obtained PtSA-MIL100(Fe) and PtSA-MIL101(Cr) electrocatalysts exhibit overpotentials of 60 and 61 mV at 10 mA cm−2, respectively, that are near that of business Pt/C (38 mV); they exhibit overpotentials of 310 and 288 mV at 200 mA cm−2, respectively, that are akin to that of business Pt/C (270 mV). Theoretical simulations reveal that Pt SAs modulate the digital buildings of the MOFs, resulting in the optimization of the binding power for H* and vital enhancement of the HER exercise. This research describes a novel technique for making ready fascinating HER electrocatalysts primarily based on the synergy between SAs and MIL-series MOFs. Utilizing MIL-series MOFs to help SAs could possibly be worthwhile for future catalyst design.

Graphical abstract: Pt single atoms meet metal–organic frameworks to enhance electrocatalytic hydrogen evolution activity

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