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Mode of electrochemical deposition on the structure and morphology of bimetallic electrodes and its effect on nitrate reduction toward nitrogen selectivity
Su, Jenn Fang; Kuan, Wei-Fan; Liu, Huijuan; Huang, C. P.
2019-11-15
Source PublicationAPPLIED CATALYSIS B-ENVIRONMENTAL
ISSN0926-3373
Volume257Pages:-
AbstractThis 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 ( < 10 V) substantially influenced the performance of nitrate transformation and nitrogen selectivity. Different electrodeposition programs, in terms of charging step and batch of metal solution, affected the crystallite size and surface morphology, i.e., roughness, and thus impacted nitrate reduction capability. Of the most significance, electrode prepared with one batch of solution containing both SnCl2 and PdCl2 at molar ratio of 4 to 1 exhibited the best performance in nearly 100% nitrate reduction and 81% nitrogen yield. The proposed low voltage electrochemical deposition process enables a new route to control the reactivity and selectivity of the reduction of oxyanions such as nitrate in water by manipulating electrode surface morphology.
Department环境水质学国家重点实验室
KeywordNitrate reduction Sn-Pd/SS electrode Nitrogen selectivity Electrodeposition Bimetallic catalysts
Document Type期刊论文
Identifierhttp://ir.rcees.ac.cn/handle/311016/42661
Collection环境水质学国家重点实验室
Affiliation1.Univ Delaware, Dept Civil & Environm Engn, Newark, DE 19716 USA
2.Univ Delaware, Adv Mat Characterizat Lab, Newark, DE 19716 USA
3.Univ Chinese Acad Sci, Beijing 100085, Peoples R China
Recommended Citation
GB/T 7714
Su, Jenn Fang,Kuan, Wei-Fan,Liu, Huijuan,et al. Mode of electrochemical deposition on the structure and morphology of bimetallic electrodes and its effect on nitrate reduction toward nitrogen selectivity[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2019,257:-.
APA Su, Jenn Fang,Kuan, Wei-Fan,Liu, Huijuan,&Huang, C. P..(2019).Mode of electrochemical deposition on the structure and morphology of bimetallic electrodes and its effect on nitrate reduction toward nitrogen selectivity.APPLIED CATALYSIS B-ENVIRONMENTAL,257,-.
MLA Su, Jenn Fang,et al."Mode of electrochemical deposition on the structure and morphology of bimetallic electrodes and its effect on nitrate reduction toward nitrogen selectivity".APPLIED CATALYSIS B-ENVIRONMENTAL 257(2019):-.
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