NiFe‐LDH Grown on Three‐Dimensional Cu3P Nano‐Array for Highly Efficient Water Oxidation

• Published in: ChemistrySelect (Weinheim) 2018-07, Vol.3 (28), p.8064-8069
• Main Authors: Zhao, Pingping, Nie, Hanqiu, Zhou, Zirui, Wang, Jianbo, Cheng, Gongzhen
• Format: Article
• Language: English
• Subjects: Cu3P; NiFe-LDH; Non-precious; OER
• ISSN: 2365-6549; 2365-6549
• DOI: 10.1002/slct.201801188

Electrocatalysts of highly efficient activity and good stability based on earth‐abundant elements for oxygen evolution reaction (OER) are crucially important for the utilization of water splitting and metal‐air batteries. Herein, we explored a facile synthesis of NiFe‐LDH (layered double hydroxide) grown on Cu3P nano‐array by simply solvothermal method. Thanks to the synergistic effect of NiFe‐LDH and Cu3P array, the as‐synthesized Cu3P@NiFe‐LDH/CF exhibited a high electric conductance and a larger double‐layer capacitance, which makes it an excellent nonprecious OER catalyst. The catalytic performance of Cu3P@NiFe‐LDH/CF toward OER exhibited a lowest onset potential (ca. 1.440 V), and a much lower overpotential of 235 mV at the current density of 10 mA cm−2. Electrocatalysts of highly efficient activity and good stability based on earth‐abundant elements for oxygen evolution reaction (OER) are crucially important for the utilization of water splitting and metal‐air batteries. We explored a facile synthesis of NiFe‐LDH grown on Cu3P nano‐array by simply solvothermal method. The as‐synthesized Cu3P@NiFe‐LDH/CF exhibited a high electric conductance and a larger double‐layer capacitance, which makes it an excellent nonprecious OER catalyst.