DC Field | Value | Language |
---|---|---|
dc.contributor.author | Kwon, Hyukjin J. | - |
dc.contributor.author | Kim, Bumjoo | - |
dc.contributor.author | Lim, Geunbae | - |
dc.contributor.author | Han, Jongyoon | - |
dc.date.accessioned | 2019-04-07T17:54:44Z | - |
dc.date.available | 2019-04-07T17:54:44Z | - |
dc.date.created | 2018-06-12 | - |
dc.date.issued | 2018-05 | - |
dc.identifier.issn | 2050-7488 | - |
dc.identifier.uri | https://oasis.postech.ac.kr/handle/2014.oak/95899 | - |
dc.description.abstract | Ion exchange membranes (IEMs) have been adopted in various environmental, chemical, and energy applications. However, the formation of ion-depletion regions, caused by concentration polarization near IEMs, often leads to significant energy and efficiency loss. While much research has been devoted to solving this challenge, complete removal of ion-depletion regions is still difficult, especially when the membrane systems are operating under near-or over-limiting conditions. This paper proposes a novel multiscale-pore (MP) IEM to reduce the effect of the ion-depletion region, by allowing a fluid flow through the MP-IEM, thereby limiting the size (and the resulting resistance) of the ion-depletion region. The electrical resistance and energy consumption in MP and conventional IEM-embedded electrochemical systems were investigated, and their performance during water desalination processes were compared. The current-voltage response suggests a secondary ohmic regime attributed to an internal flow rate through the MP-IEM. Moreover, the electrochemical desalination of seawater with MP-IEMs demonstrated up to 75% reduction of energy consumption, compared with conventional IEMs under comparable operating conditions. | - |
dc.language | English | - |
dc.publisher | Royal Society of Chemistry | - |
dc.relation.isPartOf | Journal of Materials Chemistry A | - |
dc.title | A multiscale-pore ion exchange membrane for better energy efficiency | - |
dc.type | Article | - |
dc.identifier.doi | 10.1039/c7ta10570c | - |
dc.type.rims | ART | - |
dc.identifier.bibliographicCitation | Journal of Materials Chemistry A, v.6, no.17, pp.7714 - 7723 | - |
dc.identifier.wosid | 000431621700044 | - |
dc.citation.endPage | 7723 | - |
dc.citation.number | 17 | - |
dc.citation.startPage | 7714 | - |
dc.citation.title | Journal of Materials Chemistry A | - |
dc.citation.volume | 6 | - |
dc.contributor.affiliatedAuthor | Lim, Geunbae | - |
dc.identifier.scopusid | 2-s2.0-85046483779 | - |
dc.description.journalClass | 1 | - |
dc.description.journalClass | 1 | - |
dc.description.isOpenAccess | Y | - |
dc.type.docType | Article | - |
dc.subject.keywordPlus | CONCENTRATION POLARIZATION | - |
dc.subject.keywordPlus | CAPACITIVE DEIONIZATION | - |
dc.subject.keywordPlus | SHOCK ELECTRODIALYSIS | - |
dc.subject.keywordPlus | POWER-GENERATION | - |
dc.subject.keywordPlus | MASS-TRANSFER | - |
dc.subject.keywordPlus | POROUS-MEDIA | - |
dc.subject.keywordPlus | WATER | - |
dc.subject.keywordPlus | DESALINATION | - |
dc.subject.keywordPlus | CONSUMPTION | - |
dc.subject.keywordPlus | TRANSPORT | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Physical | - |
dc.relation.journalWebOfScienceCategory | Energy & Fuels | - |
dc.relation.journalWebOfScienceCategory | Materials Science, Multidisciplinary | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Chemistry | - |
dc.relation.journalResearchArea | Energy & Fuels | - |
dc.relation.journalResearchArea | Materials Science | - |
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