Facile in-situ growth of Ni2P/Fe2P nanohybrids on Ni foam for highly efficient urea electrolysis

L Yan, Y Sun, E Hu, J Ning, Y Zhong, Z Zhang… - Journal of colloid and …, 2019 - Elsevier
L Yan, Y Sun, E Hu, J Ning, Y Zhong, Z Zhang, Y Hu
Journal of colloid and interface science, 2019Elsevier
Urea electrolysis is regarded as an alternative energy-saving hydrogen production
technique to replace the conventional water splitting method due to the predicted lower
thermodynamic potential. Herein, we demonstrate a robust and mass-produced strategy to
in-situ grow Ni 2 P/Fe 2 P nanohybrids on Ni foam (Ni 2 P/Fe 2 P/NF) as an advanced
electrode for overall urea electrolysis via a 30 s manual shaking reaction of FeCl 3· 6H 2 O,
K 3 [Fe (CN) 6] and pre-treated NF, followed by a facile phosphorization treatment. The as …
Abstract
Urea electrolysis is regarded as an alternative energy-saving hydrogen production technique to replace the conventional water splitting method due to the predicted lower thermodynamic potential. Herein, we demonstrate a robust and mass-produced strategy to in-situ grow Ni2P/Fe2P nanohybrids on Ni foam (Ni2P/Fe2P/NF) as an advanced electrode for overall urea electrolysis via a 30 s manual shaking reaction of FeCl3·6H2O, K3[Fe(CN)6] and pre-treated NF, followed by a facile phosphorization treatment. The as-prepared Ni2P/Fe2P/NF electrode exhibits high activity for the HER at 115 mV and UOR at 1.36 V with the current density of 10 mA cm−2, and only a cell voltage of 1.47 V is required to deliver the current density of 10 mA cm−2. This work reveals a promising industrializable pathway to develop non-noble materials as bifunctional catalysts.
Elsevier
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