Polyoxometalate as a Nature-Inspired Bifunctional Catalyst for Lithium-Oxygen Batteries
DC Field | Value | Language |
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dc.contributor.author | Lee, Jun-Seo | - |
dc.contributor.author | Lee, Cheolmin | - |
dc.contributor.author | Lee, Jae-Yun | - |
dc.contributor.author | Ryu, Jungki | - |
dc.contributor.author | Ryu, Won-Hee | - |
dc.date.available | 2021-02-22T08:46:08Z | - |
dc.date.issued | 2018-08 | - |
dc.identifier.issn | 2155-5435 | - |
dc.identifier.uri | https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/4404 | - |
dc.description.abstract | Nature-inspired molecules present a family of affordable, environmentally friendly catalysts to enable and enhance next-generation energy storage systems. In this study, we report the use of cobalt-based polyoxometalates (Co-POMs) with an oxo-bridged tetracobalt active site, which is reminiscent of the natural oxygen-evolving complex, as an efficient and stable redox catalyst for Li-O-2 batteries. Interestingly, Co-POMs exhibit catalytic activity for both oxygen evolution and reduction reactions (OER and ORR, respectively) under a certain condition when it forms a stable dispersion of molecular aggregates, which can be controlled by the types of electrolyte solvents and exposure to light. As a result of the optimized OER/ORR bifunctional activity, Li-O-2 cells facilitated by Co-POM redox reactions successfully achieve improved efficiency and a longer cycle life in comparison to reference cells. The reversibility of the Li-O-2 reactions in the presence of the bifunctional Co-POM catalysts is confirmed by ex situ characterizations. | - |
dc.format.extent | 9 | - |
dc.language | 영어 | - |
dc.language.iso | ENG | - |
dc.publisher | AMER CHEMICAL SOC | - |
dc.title | Polyoxometalate as a Nature-Inspired Bifunctional Catalyst for Lithium-Oxygen Batteries | - |
dc.type | Article | - |
dc.publisher.location | 미국 | - |
dc.identifier.doi | 10.1021/acscatal.8b01103 | - |
dc.identifier.scopusid | 2-s2.0-85049216681 | - |
dc.identifier.wosid | 000441112400042 | - |
dc.identifier.bibliographicCitation | ACS CATALYSIS, v.8, no.8, pp 7213 - 7221 | - |
dc.citation.title | ACS CATALYSIS | - |
dc.citation.volume | 8 | - |
dc.citation.number | 8 | - |
dc.citation.startPage | 7213 | - |
dc.citation.endPage | 7221 | - |
dc.type.docType | Article | - |
dc.description.isOpenAccess | N | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Chemistry | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Physical | - |
dc.subject.keywordPlus | PHOTOCATALYTIC WATER OXIDATION | - |
dc.subject.keywordPlus | LI-O-2 BATTERIES | - |
dc.subject.keywordPlus | ELECTROLYTE | - |
dc.subject.keywordPlus | EVOLUTION | - |
dc.subject.keywordPlus | CHALLENGES | - |
dc.subject.keywordPlus | REDUCTION | - |
dc.subject.keywordPlus | ARCHITECTURE | - |
dc.subject.keywordPlus | INTERFACE | - |
dc.subject.keywordPlus | MECHANISM | - |
dc.subject.keywordPlus | DISCHARGE | - |
dc.subject.keywordAuthor | lithium-oxygen batteries | - |
dc.subject.keywordAuthor | polyoxometalate | - |
dc.subject.keywordAuthor | nature-inspired molecule | - |
dc.subject.keywordAuthor | dispersion catalyst | - |
dc.subject.keywordAuthor | water oxidation catalyst | - |
dc.identifier.url | https://pubs.acs.org/doi/10.1021/acscatal.8b01103 | - |
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