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Amorphous iron fluorosulfate as a high-capacity cathode utilizing combined intercalation and conversion reactions with unexpectedly high reversibility

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dc.contributor.authorHeo, Jaehoon-
dc.contributor.authorJung, Sung-Kyun-
dc.contributor.authorHwang, Insang-
dc.contributor.authorCho, Sung-Pyo-
dc.contributor.authorEum, Donggun-
dc.contributor.authorPark, Hyeokjun-
dc.contributor.authorSong, Jun-Hyuk-
dc.contributor.authorYu, Seungju-
dc.contributor.authorOh, Kyungbae-
dc.contributor.authorKwon, Giyun-
dc.contributor.authorHwang, Taehyun-
dc.contributor.authorKo, Kun-Hee-
dc.contributor.authorKisuk Kang-
dc.date.accessioned2023-04-04T22:10:32Z-
dc.date.available2023-04-04T22:10:32Z-
dc.date.created2022-12-08-
dc.date.issued2023-01-
dc.identifier.issn2058-7546-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/13154-
dc.description.abstractTo achieve the desirable dual characteristics of high-capacity performance and low-cost production for the batteries of tomorrow, leveraging of multi-redox reactions of Earth-abundant transition metals in electrodes is fundamentally important. Here we identify an amorphous iron fluorosulfate electrode, a-LiFeSO4F, that can exploit both the intercalation and conversion reactions with a stable reversibility. The a-LiFeSO4F electrode delivers a capacity of 360 mAh g(-1) with similar to 98.6% capacity retention after 200 cycles even at an elevated temperature (60 degrees C). In contrast to the conventional intercalation/conversion-type electrodes, the reversible cycle stability is attributed to the inherent amorphous structure of a-LiFeSO4F, whose structural integrity is not severely disturbed even after the conversion reaction, allowing its continuation as an intercalation host. We believe that this cycle stability of the intercalation/conversion reaction can be generally extended to various amorphous intercalation materials, offering new insights into the design of high-capacity electrodes through the exploitation of multi-mechanistic lithiation processes.-
dc.language영어-
dc.publisherNATURE PORTFOLIO-
dc.titleAmorphous iron fluorosulfate as a high-capacity cathode utilizing combined intercalation and conversion reactions with unexpectedly high reversibility-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000881560600002-
dc.identifier.scopusid2-s2.0-85141729897-
dc.identifier.rimsid79419-
dc.contributor.affiliatedAuthorKisuk Kang-
dc.identifier.doi10.1038/s41560-022-01148-w-
dc.identifier.bibliographicCitationNATURE ENERGY, v.8, no.1, pp.30 - 39-
dc.relation.isPartOfNATURE ENERGY-
dc.citation.titleNATURE ENERGY-
dc.citation.volume8-
dc.citation.number1-
dc.citation.startPage30-
dc.citation.endPage39-
dc.description.journalClass1-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalWebOfScienceCategoryEnergy & Fuels-
dc.relation.journalWebOfScienceCategoryMaterials Science, Multidisciplinary-
dc.subject.keywordPlusRECHARGEABLE LITHIUM-
dc.subject.keywordPlusELECTRODE MATERIALS-
dc.subject.keywordPlusION BATTERIES-
dc.subject.keywordPlusDYNAMICS-
dc.subject.keywordPlusCHALLENGES-
dc.subject.keywordPlusLIFESO4F-
dc.subject.keywordPlusSTORAGE-
Appears in Collections:
Center for Nanoparticle Research(나노입자 연구단) > 1. Journal Papers (저널논문)
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