Effect of Cs2CO3 in Li/K and Li/Na Carbonate on the Oxygen Reduction Reaction for MCFC
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Kang, Min Goo | - |
dc.contributor.author | Park, Hyun S. | - |
dc.contributor.author | Ham, Hyung Chul | - |
dc.contributor.author | Jang, Seong-Cheol | - |
dc.contributor.author | Yoon, Chang Won | - |
dc.contributor.author | Han, Jonghee | - |
dc.contributor.author | Nam, Suk Woo | - |
dc.contributor.author | Kim, Sung Hyun | - |
dc.contributor.author | Yoon, Sung Pil | - |
dc.date.accessioned | 2021-09-04T05:28:02Z | - |
dc.date.available | 2021-09-04T05:28:02Z | - |
dc.date.created | 2021-06-18 | - |
dc.date.issued | 2016 | - |
dc.identifier.issn | 0013-4651 | - |
dc.identifier.uri | https://scholar.korea.ac.kr/handle/2021.sw.korea/90361 | - |
dc.description.abstract | Electrolyte properties are significantly important for the long-term stability and performance of molten carbonate fuel cells (MCFCs). The Li/Na carbonate is considered an attractive electrolyte for MCFCs due to its high ionic conductivity and low volatility. However, low oxygen solubility is a serious drawback in Li/Na carbonate electrolytes, which hinders the oxygen reduction reaction (ORR) at the MCFC cathode. Several additives have been found to enhance the oxygen solubility in alkali carbonate electrolytes. In this study, the effect of Cs2CO3 in Li/Na and Li/K carbonate mixtures was investigated by cyclic voltammetry and electrochemical impedance spectroscopy. The oxygen reduction activity improved with the increasing Cs concentration (1, 3, and 5 mol%) in all the studied carbonate melts. The addition of Cs2CO3 (5 mol%) to the Li/Na carbonate (68.0/32.0) resulted in an approximately 30% increase of the mass transfer parameter (C-0 root D-0) of the dissolved oxygen species from 0.99 x 10(-9) to 1.29 x 10(-9) mol/cm(2) s(1/2) at 620 degrees C. The changes in the ionic conductivity of the molten electrolytes with the Cs additive were also studied. (C) 2016 The Electrochemical Society. All rights reserved. | - |
dc.language | English | - |
dc.language.iso | en | - |
dc.publisher | ELECTROCHEMICAL SOC INC | - |
dc.subject | FUEL-CELL ELECTRODES | - |
dc.subject | ALKALI MOLTEN-CARBONATE | - |
dc.subject | PRESSURIZED CONDITIONS | - |
dc.subject | LI2CO3/NA2CO3 ELECTROLYTE | - |
dc.subject | ELECTRICAL-CONDUCTIVITY | - |
dc.subject | LITHIUM-CARBONATE | - |
dc.subject | SODIUM-CARBONATE | - |
dc.subject | NIO CATHODE | - |
dc.subject | SOLUBILITY | - |
dc.subject | PERFORMANCE | - |
dc.title | Effect of Cs2CO3 in Li/K and Li/Na Carbonate on the Oxygen Reduction Reaction for MCFC | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Kim, Sung Hyun | - |
dc.identifier.doi | 10.1149/2.0061609jes | - |
dc.identifier.scopusid | 2-s2.0-84978066466 | - |
dc.identifier.wosid | 000379688000115 | - |
dc.identifier.bibliographicCitation | JOURNAL OF THE ELECTROCHEMICAL SOCIETY, v.163, no.8, pp.F962 - F967 | - |
dc.relation.isPartOf | JOURNAL OF THE ELECTROCHEMICAL SOCIETY | - |
dc.citation.title | JOURNAL OF THE ELECTROCHEMICAL SOCIETY | - |
dc.citation.volume | 163 | - |
dc.citation.number | 8 | - |
dc.citation.startPage | F962 | - |
dc.citation.endPage | F967 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Electrochemistry | - |
dc.relation.journalResearchArea | Materials Science | - |
dc.relation.journalWebOfScienceCategory | Electrochemistry | - |
dc.relation.journalWebOfScienceCategory | Materials Science, Coatings & Films | - |
dc.subject.keywordPlus | FUEL-CELL ELECTRODES | - |
dc.subject.keywordPlus | ALKALI MOLTEN-CARBONATE | - |
dc.subject.keywordPlus | PRESSURIZED CONDITIONS | - |
dc.subject.keywordPlus | LI2CO3/NA2CO3 ELECTROLYTE | - |
dc.subject.keywordPlus | ELECTRICAL-CONDUCTIVITY | - |
dc.subject.keywordPlus | LITHIUM-CARBONATE | - |
dc.subject.keywordPlus | SODIUM-CARBONATE | - |
dc.subject.keywordPlus | NIO CATHODE | - |
dc.subject.keywordPlus | SOLUBILITY | - |
dc.subject.keywordPlus | PERFORMANCE | - |
Items in ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.
(02841) 서울특별시 성북구 안암로 14502-3290-1114
COPYRIGHT © 2021 Korea University. All Rights Reserved.
Certain data included herein are derived from the © Web of Science of Clarivate Analytics. All rights reserved.
You may not copy or re-distribute this material in whole or in part without the prior written consent of Clarivate Analytics.