A 3d-printed composite electrode for sustained electrocatalytic oxygen evolution

We report the facile design and fabrication of 3D-printed microstructured electrodes for electrocatalytic oxygen evolution. ABS polymer-based mesh scaffolds are chemically functionalized to enable electroless nickel metal deposition and subsequent catalyst (nickel iron hydroxide) immobilization. The...

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Bibliographic Details
Published inChemical communications (Cambridge, England) Vol. 56; no. 6; pp. 8476 - 8479
Main Authors Liu, Si, Liu, Rongji, Gao, Dandan, Trentin, Ivan, Streb, Carsten
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 28.07.2020
Subjects
Chemical evolution
Electrodes
Nickel iron
Oxygen
Three dimensional printing
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Summary:We report the facile design and fabrication of 3D-printed microstructured electrodes for electrocatalytic oxygen evolution. ABS polymer-based mesh scaffolds are chemically functionalized to enable electroless nickel metal deposition and subsequent catalyst (nickel iron hydroxide) immobilization. The resulting composites show sustained oxygen evolution with low overpotentials and high stability. The modular approach reported enables the scalable on-demand fabrication of microstructured composite electrodes. 3D-printed polymer mesh substrates are converted to composite microstructured electrodes for the electrocatalytic oxygen evolution reaction by stepwise functionalization with a conductive nickel layer and a nickel-iron hydroxide catalyst.
Bibliography:Electronic supplementary information (ESI) available. See DOI
10.1039/d0cc03579c
ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:1359-7345
1364-548X
DOI:10.1039/d0cc03579c