A dual metal-organic framework strategy for synthesis of FeCo@NC bifunctional oxygen catalysts for clean energy application

Jun Chen; Liandong Li; Liu Yang; Chang Chen; Shitao Wang; Yan Huang; Dapeng Cao

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A dual metal-organic framework strategy for synthesis of FeCo@NC bifunctional oxygen catalysts for clean energy application

Updated：2026-01-06

- A dual metal-organic framework strategy for synthesis of FeCo@NC bifunctional oxygen catalysts for clean energy application
- Chinese Journal of Chemical Engineering Vol. 43, Issue 3, Pages: 161-168(2022)
- Affiliations：
  
  State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology,Beijing,China,100029
- Author bio：
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- DOI：
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- Published：2022
- Accepted：
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Jun Chen, Liandong Li, Liu Yang, Chang Chen, Shitao Wang, Yan Huang, Dapeng Cao. A dual metal-organic framework strategy for synthesis of FeCo@NC bifunctional oxygen catalysts for clean energy application[J]. Chinese Journal of Chemical Engineering, 2022, 43(3): 161-168.
DOI：

Jun Chen, Liandong Li, Liu Yang, Chang Chen, Shitao Wang, Yan Huang, Dapeng Cao. A dual metal-organic framework strategy for synthesis of FeCo@NC bifunctional oxygen catalysts for clean energy application[J]. Chinese Journal of Chemical Engineering, 2022, 43(3): 161-168. DOI：

摘要

Abstract

Developing high efficient bifunctional oxygen electrocatalysts for clean energy applications like Zin-air battery (ZAB) is highly desired

because it would reduce the cost and speed up the practical application of ZAB. Here we use a dual metal–organic framework (MOF) synthesis strategy to prepare the N-doped carbon supported bimetallic FeCo nanoparticle catalysts (marked as FeCo@NC) by pyrolysis of ZnCo-ZIF/MIL-101(Fe) composite. The FeCo@NC exhibits remarkable electrocatalytic activity for ORR with half-wave potential of 0.89 V vs. the reversible hydrogen electrode (RHE) and robust durability for both ORR and OER (oxygen reduction reaction and oxygen evolution reaction)

which is attributed to the generation of Fe

0.26

0.74

crystalline phase and mesopores due to the dual-MOF synthesis strategy. The rechargeable ZAB based on FeCo@NC air electrode shows a maximum energy density of 139.6mW·cm

-2

and excellent cyclic stability over 130 h

significantly surpassing the Pt and Ir-based ZAB. The present work provides a useful dual-MOF synthesis strategy for preparing high-performance multifunctional catalysts for ORR

OER and hydrogen evolution reaction (HER).

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