Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/154572
Title: NiMn‐based bimetal–organic framework nanosheets supported on multi‐channel carbon fibers for efficient oxygen electrocatalysis
Authors: Cheng, Weiren
Lu, Xue Feng
Luan, Deyan
Lou, Xiong Wen David
Keywords: Engineering::Chemical engineering
Issue Date: 2020
Source: Cheng, W., Lu, X. F., Luan, D. & Lou, X. W. D. (2020). NiMn‐based bimetal–organic framework nanosheets supported on multi‐channel carbon fibers for efficient oxygen electrocatalysis. Angewandte Chemie, 132(41), 18391-18396. https://dx.doi.org/10.1002/ange.202008129
Project: RG116/18
NRF-NRFI2016-04
Journal: Angewandte Chemie
Abstract: Developing noble-metal-free bifunctional oxygen electrocatalysts is of great significance for energy conversion and storage systems. Herein, we have developed a transformation method for growing NiMn-based bimetal–organic framework (NiMn-MOF) nanosheets on multi-channel carbon fibers (MCCF) as a bifunctional oxygen electrocatalyst. Owing to the desired components and architecture, the MCCF/NiMn-MOFs manifest comparable electrocatalytic performance towards oxygen reduction reaction (ORR) with the commercial Pt/C electrocatalyst and superior performance towards oxygen evolution reaction (OER) to the benchmark RuO2 electrocatalyst. X-ray absorption fine structure (XAFS) spectroscopy and density functional theory (DFT) calculations reveal that the strong synergetic effect of adjacent Ni and Mn nodes within MCCF/NiMn-MOFs effectively promotes the thermodynamic formation of key *O and *OOH intermediates over active NiO6 centers towards fast ORR and OER kinetics.
URI: https://hdl.handle.net/10356/154572
ISSN: 0044-8249
DOI: 10.1002/ange.202008129
Rights: © 2020 Wiley-VCH GmbH
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:SCBE Journal Articles

Page view(s)

24
Updated on May 24, 2022

Google ScholarTM

Check

Altmetric


Plumx

Items in DR-NTU are protected by copyright, with all rights reserved, unless otherwise indicated.