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Article: Electrolytic generation of ozone on antimony- And nickel-doped tin oxide electrode
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TitleElectrolytic generation of ozone on antimony- And nickel-doped tin oxide electrode
 
AuthorsWang, YH1
Cheng, S1 1
Chan, KY1 2
Li, XY1
 
Issue Date2005
 
PublisherElectrochemical Society, Inc. The Journal's web site is located at http://ojps.aip.org/JES
 
CitationJournal Of The Electrochemical Society, 2005, v. 152 n. 11, p. D197-D200 [How to Cite?]
DOI: http://dx.doi.org/10.1149/1.2041007
 
AbstractIn a recent report, ozone was produced with high efficiency in perchloric acid on an anode coated with antimony-doped tin oxide. We report here that high current efficiency can be enhanced if trace amounts of a second dopant, nickel, is present. The effect of composition of the coating in terms of Ni:Sb:Sn was carefully analyzed. The optimum Ni:Sb:Sn ratio, determined to be 1:8:500, was determined giving a corresponding ozone generation current efficiency of over 30% at room temperature. The highest current efficiency was observed at an optimum operating potential of 2.2 V vs Ag/AgCl. Electrolytic generation of ozone in perchloric acid, sulfuric acid, and phosphoric acid at different concentrations was also studied and compared. In 0.1 M H 2SO 4, the ozone concentration reached 34 mg/L and a current efficiency of 36.3% could be achieved. This is about the highest current efficiency ever reported for electrolytic generation of ozone in an aqueous medium at room temperature. © 2005 The Electrochemical Society. All rights reserved.
 
ISSN0013-4651
2012 Impact Factor: 2.588
2012 SCImago Journal Rankings: 1.127
 
DOIhttp://dx.doi.org/10.1149/1.2041007
 
ISI Accession Number IDWOS:000233133700043
 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorWang, YH
 
dc.contributor.authorCheng, S
 
dc.contributor.authorChan, KY
 
dc.contributor.authorLi, XY
 
dc.date.accessioned2009-04-03T07:12:26Z
 
dc.date.available2009-04-03T07:12:26Z
 
dc.date.issued2005
 
dc.description.abstractIn a recent report, ozone was produced with high efficiency in perchloric acid on an anode coated with antimony-doped tin oxide. We report here that high current efficiency can be enhanced if trace amounts of a second dopant, nickel, is present. The effect of composition of the coating in terms of Ni:Sb:Sn was carefully analyzed. The optimum Ni:Sb:Sn ratio, determined to be 1:8:500, was determined giving a corresponding ozone generation current efficiency of over 30% at room temperature. The highest current efficiency was observed at an optimum operating potential of 2.2 V vs Ag/AgCl. Electrolytic generation of ozone in perchloric acid, sulfuric acid, and phosphoric acid at different concentrations was also studied and compared. In 0.1 M H 2SO 4, the ozone concentration reached 34 mg/L and a current efficiency of 36.3% could be achieved. This is about the highest current efficiency ever reported for electrolytic generation of ozone in an aqueous medium at room temperature. © 2005 The Electrochemical Society. All rights reserved.
 
dc.description.naturepublished_or_final_version
 
dc.identifier.citationJournal Of The Electrochemical Society, 2005, v. 152 n. 11, p. D197-D200 [How to Cite?]
DOI: http://dx.doi.org/10.1149/1.2041007
 
dc.identifier.doihttp://dx.doi.org/10.1149/1.2041007
 
dc.identifier.epageD200
 
dc.identifier.hkuros123393
 
dc.identifier.isiWOS:000233133700043
 
dc.identifier.issn0013-4651
2012 Impact Factor: 2.588
2012 SCImago Journal Rankings: 1.127
 
dc.identifier.issue11
 
dc.identifier.openurl
 
dc.identifier.scopuseid_2-s2.0-27944471032
 
dc.identifier.spageD197
 
dc.identifier.urihttp://hdl.handle.net/10722/53324
 
dc.identifier.volume152
 
dc.languageeng
 
dc.publisherElectrochemical Society, Inc. The Journal's web site is located at http://ojps.aip.org/JES
 
dc.publisher.placeUnited States
 
dc.relation.ispartofJournal of the Electrochemical Society
 
dc.relation.referencesReferences in Scopus
 
dc.rightsJournal of Electrochemical Society. Copyright © Electrochemical Society, Inc.
 
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License
 
dc.rights© The Electrochemical Society, Inc. 2005. All rights reserved. Except as provided under U.S. copyright law, this work may not be reproduced, resold, distributed, or modified without the express permission of The Electrochemical Society (ECS). The archival version of this work was published in Journal of Electrochemical Society, 2005, v. 152 n. 11, p. D197-D200
 
dc.titleElectrolytic generation of ozone on antimony- And nickel-doped tin oxide electrode
 
dc.typeArticle
 
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<description.abstract>In a recent report, ozone was produced with high efficiency in perchloric acid on an anode coated with antimony-doped tin oxide. We report here that high current efficiency can be enhanced if trace amounts of a second dopant, nickel, is present. The effect of composition of the coating in terms of Ni:Sb:Sn was carefully analyzed. The optimum Ni:Sb:Sn ratio, determined to be 1:8:500, was determined giving a corresponding ozone generation current efficiency of over 30% at room temperature. The highest current efficiency was observed at an optimum operating potential of 2.2 V vs Ag/AgCl. Electrolytic generation of ozone in perchloric acid, sulfuric acid, and phosphoric acid at different concentrations was also studied and compared. In 0.1 M H 2SO 4, the ozone concentration reached 34 mg/L and a current efficiency of 36.3% could be achieved. This is about the highest current efficiency ever reported for electrolytic generation of ozone in an aqueous medium at room temperature. &#169; 2005 The Electrochemical Society. All rights reserved.</description.abstract>
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Author Affiliations
  1. The University of Hong Kong
  2. The Electrochemical Society