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Seo, Yongwon
Advanced Clean Energy Lab (ACE Lab)
Research Interests
  • Gas Hydrates, Greenhouse Gas, Clean Energy

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Guest gas enclathration in tetra-n-butyl ammonium chloride (TBAC) semiclathrates: Potential application to natural gas storage and CO2 capture

DC Field Value Language
dc.contributor.author Kim, Soyoung ko
dc.contributor.author Baek, Il-Hyun ko
dc.contributor.author You, Jong-Kyun ko
dc.contributor.author Seo, Yongwon ko
dc.date.available 2015-03-05T06:56:22Z -
dc.date.created 2014-12-30 ko
dc.date.issued 2015-02 ko
dc.identifier.citation APPLIED ENERGY, v.140, pp.107 - 112 ko
dc.identifier.issn 0306-2619 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/10791 -
dc.description.abstract The enclathration of guest gases such as CH4 and CO2 in tetra-n-butyl ammonium chloride (TBAC) semiclathrates and their potential application to natural gas storage and CO2 capture were examined with a primary focus on stability condition measurements and cage filling characteristics. The phase behaviors clearly demonstrated that the double CH4 (or CO2) + TBAC semiclathrates yielded a significantly enhanced thermodynamic stability. In particular, the highest stabilization occurred at 3.3 mol%, the stoichiometric concentration of TBAC·29.7H2O. The cage-dependent 13C NMR chemical shift identified CH4 molecules enclathrated in the small 512 cages of the double TBAC semiclathrates. CO2 inclusion in the double TBAC semiclathrate was also confirmed using Raman spectroscopy. In addition, the dissociation enthalpy and the dissociation temperature of the TBAC semiclathrate under atmospheric pressure were measured to be 204.8 ± 1.7 J/g and 288.0 K, respectively, by a differential scanning calorimeter. The experimental results demonstrate that TBAC semiclathrates can potentially be used for gas storage and CO2 capture due to their high thermodynamic stability and favorable enclathration characteristics of guest gases. ko
dc.description.statementofresponsibility close -
dc.language 영어 ko
dc.publisher ELSEVIER SCI LTD ko
dc.title Guest gas enclathration in tetra-n-butyl ammonium chloride (TBAC) semiclathrates: Potential application to natural gas storage and CO2 capture ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-84917728082 ko
dc.identifier.wosid 000349875900011 ko
dc.type.rims ART ko
dc.description.wostc 2 *
dc.description.scopustc 2 *
dc.date.tcdate 2015-12-28 *
dc.date.scptcdate 2015-11-04 *
dc.identifier.doi 10.1016/j.apenergy.2014.11.076 ko
dc.identifier.url http://www.sciencedirect.com/science/article/pii/S0306261914012458 ko
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