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Conference Paper: High voltage vanadium-metal hydride rechargeable semi-flow battery
Title | High voltage vanadium-metal hydride rechargeable semi-flow battery |
---|---|
Authors | |
Keywords | Chemistry Electrochemistry |
Issue Date | 2013 |
Publisher | Electrochemical Society, Inc. The Journal's web site is located at http://ojps.aip.org/JES |
Citation | The 223rd Meeting of the Electrochemical Society (ECS), Toronto, ON, Canada, 12-16 May 2013. In Journal of the Electrochemical Society, v. 160 n. 9, p. A1384-A1389, Paper no.481 How to Cite? |
Abstract | We report a Vanadium-MH rechargeable semi-flow battery with an experimental OCV of 1.93 V and operating voltage of 1.70 V, very high values among rechargeable flow batteries with aqueous electrolytes. This hybrid battery consists of a graphite felt positive electrode operating in a mixed solution of 0.128 mol dm−3 VOSO4 and 2 mol dm−3 H2SO4, and a metal hydride negative electrode in 2 mol dm−3 KOH aqueous solution. The two electrolytes of different pH are separated by a bipolar membrane. The system demonstrated good reversibility and high efficiencies in coulomb (95%), energy (84%), and voltage (88%). |
Persistent Identifier | http://hdl.handle.net/10722/184936 |
ISSN | 2023 Impact Factor: 3.1 2023 SCImago Journal Rankings: 0.868 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Weng, GM | en_US |
dc.contributor.author | Li, VCY | en_US |
dc.contributor.author | Chan, KY | en_US |
dc.date.accessioned | 2013-07-15T10:19:48Z | - |
dc.date.available | 2013-07-15T10:19:48Z | - |
dc.date.issued | 2013 | en_US |
dc.identifier.citation | The 223rd Meeting of the Electrochemical Society (ECS), Toronto, ON, Canada, 12-16 May 2013. In Journal of the Electrochemical Society, v. 160 n. 9, p. A1384-A1389, Paper no.481 | en_US |
dc.identifier.issn | 0013-4651 | - |
dc.identifier.uri | http://hdl.handle.net/10722/184936 | - |
dc.description.abstract | We report a Vanadium-MH rechargeable semi-flow battery with an experimental OCV of 1.93 V and operating voltage of 1.70 V, very high values among rechargeable flow batteries with aqueous electrolytes. This hybrid battery consists of a graphite felt positive electrode operating in a mixed solution of 0.128 mol dm−3 VOSO4 and 2 mol dm−3 H2SO4, and a metal hydride negative electrode in 2 mol dm−3 KOH aqueous solution. The two electrolytes of different pH are separated by a bipolar membrane. The system demonstrated good reversibility and high efficiencies in coulomb (95%), energy (84%), and voltage (88%). | - |
dc.language | eng | en_US |
dc.publisher | Electrochemical Society, Inc. The Journal's web site is located at http://ojps.aip.org/JES | - |
dc.relation.ispartof | Journal of the Electrochemical Society | en_US |
dc.rights | Journal of the Electrochemical Society. Copyright © Electrochemical Society, Inc. | - |
dc.rights | © The Electrochemical Society, Inc. 2013. 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 the Electrochemical Society, v. 160 n. 9, p. A1384-A1389 | - |
dc.subject | Chemistry | - |
dc.subject | Electrochemistry | - |
dc.title | High voltage vanadium-metal hydride rechargeable semi-flow battery | en_US |
dc.type | Conference_Paper | en_US |
dc.identifier.email | Weng, GM: guoming@hku.hk | en_US |
dc.identifier.email | Li, VCY: cyvli@hku.hk | en_US |
dc.identifier.email | Chan, KY: hrsccky@hku.hk | - |
dc.identifier.authority | Chan, KY=rp00662 | en_US |
dc.description.nature | postprint | - |
dc.identifier.doi | 10.1149/2.035309jes | - |
dc.identifier.scopus | eid_2-s2.0-84881513609 | - |
dc.identifier.hkuros | 216349 | en_US |
dc.identifier.hkuros | 216341 | - |
dc.identifier.hkuros | 237359 | - |
dc.identifier.volume | 160 | - |
dc.identifier.issue | 9 | en_US |
dc.identifier.spage | A1384 | en_US |
dc.identifier.epage | A1389 | en_US |
dc.identifier.isi | WOS:000324600600009 | - |
dc.publisher.place | United States | - |
dc.identifier.issnl | 0013-4651 | - |