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Article: Electrochemical generation of ozone in a membrane electrode assembly cell with convective flow
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TitleElectrochemical generation of ozone in a membrane electrode assembly cell with convective flow
 
AuthorsCui, Y1 2
Wang, Y3
Wang, B
Zhou, H
Chan, KY
Li, XY1
 
Issue Date2009
 
PublisherElectrochemical Society, Inc. The Journal's web site is located at http://ojps.aip.org/JES
 
CitationJournal Of The Electrochemical Society, 2009, v. 156 n. 4, p. E75-E80 [How to Cite?]
DOI: http://dx.doi.org/10.1149/1.3072686
 
AbstractHighly efficient electrochemical generation of ozone on doped tin dioxide anodes was reported recently. Here, we report the scale up of such ozone generation on a membrane electrode assembly (MEA) made with 8×13 cm -doped tin dioxide anode. The effects of water flow rate, operating voltage, and current on dissolved ozone concentration, ozone production, current efficiency, and energy efficiency are reported. Ozone production and current efficiency increased with water flow. Operating with a single MEA, 218 mgh of dissolved ozone was produced at an applied current of 6 A (current density=57.6 mA cm2). With four MEAs operated in a stack, the dissolved ozone production increased to 1.1 gh at a total current of 20.6 A (current density=49.5 mA cm2) and individual cell voltage of 3.3 V. For the multiple MEA operation, the highest current efficiency was 21.7% based alone on dissolved ozone generation. The lowest energy consumption achieved was 42 kWhkg (O3) at 643 mg ozone per hour at current of 10.1 A (current density=24.3 mA cm2) and water flow of 5.4 Lmin (linear velocity=7.03 cms). © 2009 The Electrochemical Society.
 
ISSN0013-4651
2012 Impact Factor: 2.588
2012 SCImago Journal Rankings: 1.127
 
DOIhttp://dx.doi.org/10.1149/1.3072686
 
ISI Accession Number IDWOS:000263717900044
Funding AgencyGrant Number
General Research Fund of Hong KongHKU2006/E
HKU700507P
Innovation Technology Seed FundITS/088/06
Funding Information:

This work has been financially supported by the General Research Fund of Hong Kong (grants no. HKU2006/E and no. HKU 700507P), and an Innovation Technology Seed Fund of Hong Kong (grant no. ITS/088/06). The support of Clarizon Ltd. U. K. is also acknowledged.

 
ReferencesReferences in Scopus
 
GrantsGeneration of ozone in water via novel electrode materials
 
DC FieldValue
dc.contributor.authorCui, Y
 
dc.contributor.authorWang, Y
 
dc.contributor.authorWang, B
 
dc.contributor.authorZhou, H
 
dc.contributor.authorChan, KY
 
dc.contributor.authorLi, XY
 
dc.date.accessioned2010-05-31T03:29:26Z
 
dc.date.available2010-05-31T03:29:26Z
 
dc.date.issued2009
 
dc.description.abstractHighly efficient electrochemical generation of ozone on doped tin dioxide anodes was reported recently. Here, we report the scale up of such ozone generation on a membrane electrode assembly (MEA) made with 8×13 cm -doped tin dioxide anode. The effects of water flow rate, operating voltage, and current on dissolved ozone concentration, ozone production, current efficiency, and energy efficiency are reported. Ozone production and current efficiency increased with water flow. Operating with a single MEA, 218 mgh of dissolved ozone was produced at an applied current of 6 A (current density=57.6 mA cm2). With four MEAs operated in a stack, the dissolved ozone production increased to 1.1 gh at a total current of 20.6 A (current density=49.5 mA cm2) and individual cell voltage of 3.3 V. For the multiple MEA operation, the highest current efficiency was 21.7% based alone on dissolved ozone generation. The lowest energy consumption achieved was 42 kWhkg (O3) at 643 mg ozone per hour at current of 10.1 A (current density=24.3 mA cm2) and water flow of 5.4 Lmin (linear velocity=7.03 cms). © 2009 The Electrochemical Society.
 
dc.description.natureLink_to_subscribed_fulltext
 
dc.identifier.citationJournal Of The Electrochemical Society, 2009, v. 156 n. 4, p. E75-E80 [How to Cite?]
DOI: http://dx.doi.org/10.1149/1.3072686
 
dc.identifier.doihttp://dx.doi.org/10.1149/1.3072686
 
dc.identifier.epageE80
 
dc.identifier.hkuros164560
 
dc.identifier.isiWOS:000263717900044
Funding AgencyGrant Number
General Research Fund of Hong KongHKU2006/E
HKU700507P
Innovation Technology Seed FundITS/088/06
Funding Information:

This work has been financially supported by the General Research Fund of Hong Kong (grants no. HKU2006/E and no. HKU 700507P), and an Innovation Technology Seed Fund of Hong Kong (grant no. ITS/088/06). The support of Clarizon Ltd. U. K. is also acknowledged.

 
dc.identifier.issn0013-4651
2012 Impact Factor: 2.588
2012 SCImago Journal Rankings: 1.127
 
dc.identifier.issue4
 
dc.identifier.scopuseid_2-s2.0-61349170664
 
dc.identifier.spageE75
 
dc.identifier.urihttp://hdl.handle.net/10722/58389
 
dc.identifier.volume156
 
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.projectGeneration of ozone in water via novel electrode materials
 
dc.relation.referencesReferences in Scopus
 
dc.titleElectrochemical generation of ozone in a membrane electrode assembly cell with convective flow
 
dc.typeArticle
 
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Author Affiliations
  1. The University of Hong Kong
  2. Huazhong University of Science and Technology
  3. Xi'an Jiaotong University