Web3 de nov. de 2024 · Keywords: electrocataiysis, dealloyed, hierarchal structure, nickel-iron (NiFe), oxygen evolution reduction. Citation: Zhou T, Liu Z, Yang B, Cao Z, Jiang Z, Cui W, Wang K, Yu L, Lu J and Zhang L (2024) Dealloying fabrication of hierarchical porous Nickel–Iron foams for efficient oxygen evolution reaction. Front. Web27 de jan. de 2024 · As a choke point in water electrolysis, the oxygen evolution reaction (OER) suffers from the severe electrode polarization and large overpotential. Herein, the porous hierarchical hetero-(Ni3-xFex)FeN/Ni catalysts are in situ constructed for the efficient electrocatalytic OER. X-ray absorption fine structure characterizations reveal the …
Direct Growth of 3 D Hierarchical Porous Ni3S2 Nanostructures on …
Web19 de ago. de 2024 · A hierarchical porous electrocatalyst structure utilizing Ni(OH) 2 nanosheets directly synthesized on Ni foam as the conductive and interconnected … Web1 de jul. de 2016 · Hierarchical nanostructures grown on conductive 3D scaffold materials are excellent candidates for supercapacitor electrodes. Herein, we report the fabrication and electrochemical performance of 3D Ni3S2 nanoporous structures directly grown on nickel foam via a facile and cost-effective one-step process using Ni foam as both the template … passio erasmi
Hierarchically Porous Urchin-Like Ni2 - ACS Publications
Web21 de out. de 2013 · A facile hydrothermal method is developed for large-scale production of three-dimensional (3D) hierarchical porous nickel cobaltate nanowire cluster arrays derived from nanosheet arrays with robust adhesion on Ni foam. Based on the morphology evolution upon reaction time, a possible formation proces … Web21 de dez. de 2015 · The development of high-performance nonprecious electrocatalysts with both H2 and O2 evolution reaction (HER and OER) activities for overall water splitting is highly desirable but remains a grand challenge. Herein, we report a facile two-step method to synthesize three-dimensional hierarchically porous urchin-like Ni2P microsphere … Web10 de abr. de 2024 · In this context, nickel and cobalt, as excellent non-noble metal catalysts with unique characteristics, have been widely used. So far, different researchers have applied Ni-Co alloys to catalyze HER. For example, Zhang et al. used binary Ni-Co catalysts electrodeposited on porous nickel substrate and investigated the … お札 人物 今