Experimental study demonstrates enhanced electrocatalytic hydrogen evolution using urchin-like tellurium templates, highlighting a viable pathway to minimize precious metal loading in energy...
In this communication, the urchin‐like Te template is obtained by photo‐assisted electro‐deposition to replace trace platinum, gold and rhodium to obtain the Pt@Te‐PsS, Au@Te‐PsS and Rh@Te‐PsS catalysts in pursuit of their highly efficient utilization. The three‐dimensional structure of urchin‐like Te can not only accelerate the interface charge transfer, but also enhance the structural stability of the catalysts. Moreover, the electrons of Te are delocalized, to increase the electron density of interface and promote the hydrogen evolution reaction. Especially, the Pt@Te‐PsS catalyst with the Pt loading of only 1.08 wt % exhibits extremely outstanding electrocatalytic hydrogen evolution reaction activity. The finer hierarchical structure of Te template boosts the high HER performance with low precious metal loading, which highlights a new strategy for development of high‐efficiency electrocatalysts.
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Bai et al. (2019) studied this question.
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