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Issue 6, 2021
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Electrochemical biomass upgrading on CoOOH nanosheets in a hybrid water electrolyzer

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Abstract

Electrocatalytic water splitting is a promising route for green hydrogen production. However, the anodic reaction of oxygen evolution has a high overpotential and low value products are obtained. Therefore, the exploration of decoupling hydrogen evolution and oxygen evolution and coupling with a value-added anodic reaction has received tremendous attention. Herein, we employ an in situ electrochemical anion-oxidation strategy to synthesize cobalt oxyhydroxide (CoOOH) nanosheets from cobalt carbonate hydroxide nanoarrays. With the use of CoOOH nanosheets as the anodic electrocatalyst in a hybrid water electrolyzer with 5-hydroxymethylfurfural, a high value product of 2,5-furandicarboxylic acid can be produced on the anode with ∼100% conversion, ∼100% selectivity and ∼100% Faraday efficiency at an operating voltage as low as 1.423 V.

Graphical abstract: Electrochemical biomass upgrading on CoOOH nanosheets in a hybrid water electrolyzer

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Article information


Submitted
08 Dec 2020
Accepted
21 Feb 2021
First published
15 Mar 2021

Green Chem., 2021,23, 2525-2530
Article type
Paper

Electrochemical biomass upgrading on CoOOH nanosheets in a hybrid water electrolyzer

R. Zhang, S. Jiang, Y. Rao, S. Chen, Q. Yue and Y. Kang, Green Chem., 2021, 23, 2525
DOI: 10.1039/D0GC04157B

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