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Hong, Sung You
Synthetic Organic Chemistry Laboratory
Research Interests
  • Synthetic organic chemistry, transition metals, oxidation state

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Abnormal Excess Capacity of Conjugated Dicarboxylates in Lithium-Ion Batteries

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dc.contributor.author Lee, Hyun Ho ko
dc.contributor.author Park, Yuwon ko
dc.contributor.author Shin, Kyoung-Hee ko
dc.contributor.author Lee, Kyu Tae ko
dc.contributor.author Hong, Sung You ko
dc.date.available 2014-11-25T00:13:15Z -
dc.date.created 2014-11-24 ko
dc.date.issued 2014-10 ko
dc.identifier.citation ACS APPLIED MATERIALS & INTERFACES, v.6, no.21, pp.19118 - 19126 ko
dc.identifier.issn 1944-8244 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/9201 -
dc.description.abstract Lithium-ion batteries (LIBs) are considered to be key energy storage systems needed to secure reliable, sustainable, and clean energy sources. Redox-active organic compounds have been proposed as interesting candidates for electrode materials for the next-generation LIBs because of their flexible molecular design, recyclability, and low production cost. Despite wide interest, a molecular-level understanding of the electrochemical lithiations/delithiations of those materials remains rudimentary. We synthesized a set of π-conjugated dicarboxylates and discovered unprecedented excess capacities for inverse-Wurster-type nonfused aromatic compounds (dilithium terephthalate and dilithium thiophene-2,5-dicarboxylate). Molecular structural investigations based on solid-state CP/MAS 13C NMR combined with the stable isotope labeling method and ex situ X-ray diffraction were carried out to elucidate the origin of the excess reversible capacity. Interestingly, an open-chain-type dilithium muconate did not show an analogous behavior, signifying the key role played by the cyclic moiety in the electrochemical reaction. ko
dc.description.statementofresponsibility close -
dc.language 영어 ko
dc.publisher AMER CHEMICAL SOC ko
dc.title Abnormal Excess Capacity of Conjugated Dicarboxylates in Lithium-Ion Batteries ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-84910151454 ko
dc.identifier.wosid 000344978200092 ko
dc.type.rims ART ko
dc.description.wostc 0 *
dc.date.tcdate 2015-05-06 *
dc.identifier.doi 10.1021/am505090p ko
dc.identifier.url http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84910151454 ko
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