Investigating the Effects of Copper Impurity Deposition on the Structure and Electrochemical Behavior of Hydrogen Evolution Electrocatalyst Materials.

ACS Appl Energy Mater · 2025 · PMC11775884 · PMID 39886447

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a decreasing trendno p-value reported

The results show a decreasing trend of current density with increasing Cu concentration, which indicates that the presence of Cu ions suppresses HER, resulting in a concentration-dependent trade-off between HER and Cu electrodeposition.

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