Copper dendrite stabilized NiFe(OH)ₓ electrocatalyst for durable alkaline hydrogen evolution over 1000 h
2022
Shang, Guangming | Liu, Yu | Li, Yajiao | Qiao, Wei | Wang, Chao | Li, Yaru | Zhang, Dongsheng | Sapountzi, Foteini | Li, Yongwang | Niemantsverdriet, J. W. | Rümmeli, Mark H | Su, Ren
Durable Cu/NiFe(OH)ₓ electrocatalyst was designed for hydrogen evolution reaction in alkaline media. The in situ generated Cu nanodendrites protect the NiFe(OH)ₓ from being hydrogenated, giving it a > 1000 h lifetime for high-performance water splitting (1.51 V, 10 mA cm⁻² in 1 M KOH) when coupled with a NiFe-layered double hydroxide anode.
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