Synthesis of FeNiCo Ternary Hydroxides through Green Grinding Method with Metal‐Organic Frameworks as Precursors for Oxygen Evolution Reaction
02 engineering and technology
0210 nano-technology
01 natural sciences
0104 chemical sciences
DOI:
10.1002/cssc.202101632
Publication Date:
2021-09-12T18:15:17Z
AUTHORS (7)
ABSTRACT
AbstractMetal‐organic framework (MOF)‐derived materials have been widely applied to diversified fields until now due to their flexible processibility. Different kinds of suitable materials can be synthesized by varying MOF templates/precursors and synthesis methods. An appropriate method can skillfully fabricate the materials with excellent performance while meeting the environmentally friendly concept. In this work, a green and flexible grinding method was introduced to synthesize MOF‐derived FeNiCo trimetallic materials without solvent‐assistance, in which Co‐ZIF‐L was selected as a sacrificial precursor and Fe3+ and Ni2+ as etchants and dopants. Surprisingly, the as‐prepared FeNiCo ternary hydroxides supported on Ni foam (G‐FeNi‐Co‐ZIF‐L/NF) showed superior electrocatalytic performance for the oxygen evolution reaction (OER) with a low overpotential of 248 mV at 10 mA cm−2. This work provides a prospective approach to synthesize various MOF‐derived multi‐metallic materials, which also opens the door for syntheses of OER electrocatalysts.
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