Mode of electrochemical deposition on the structure and morphology of bimetallic electrodes and its effect on nitrate reduction toward nitrogen selectivity

[Display omitted] •Sn-Pd/SS electrodes were synthesized using low-voltage electrodeposition technique.•Mode of electrochemical deposition controls the surface structure of the electrode.•Surface morphology and roughness control nitrate reduction rate and nitrogen selectivity.•Sn-Pd/SS electrode exhi...

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Bibliographic Details
Published in:Applied catalysis. B, Environmental Environmental, 2019-11, Vol.257, p.117909, Article 117909
Main Authors: Su, Jenn Fang, Kuan, Wei-Fan, Liu, Huijuan, Huang, C.P.
Format: Article
Language:English
Subjects:
Bimetallic catalysts
Bimetals
Chemical reduction
Crystallites
Crystals
Deposition
Electrochemistry
Electrodeposition
Electrodes
Low voltage
Morphology
Nitrate reduction
Nitrates
Nitrogen
Nitrogen selectivity
Palladium
Palladium chloride
Selectivity
Sn-Pd/SS electrode
Stainless steel
Stainless steels
Tin
Voltage
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Summary:[Display omitted] •Sn-Pd/SS electrodes were synthesized using low-voltage electrodeposition technique.•Mode of electrochemical deposition controls the surface structure of the electrode.•Surface morphology and roughness control nitrate reduction rate and nitrogen selectivity.•Sn-Pd/SS electrode exhibited nearly 100% nitrate reduction and 81% nitrogen yield. This work investigates the effect of electrode preparation on nitrate reduction reaction with a focus on increasing nitrogen yield. Results indicated that stainless steel (SS) supported tin-palladium (SS/Sn-Pd) electrodes synthesized via multi-step electrodeposition at low voltage (
ISSN:0926-3373
1873-3883
DOI:10.1016/j.apcatb.2019.117909