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Amorphous iron fluorosulfate as a high-capacity cathode utilizing combined intercalation and conversion reactions with unexpectedly high reversibility
DC Field | Value | Language |
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dc.contributor.author | Heo, Jaehoon | - |
dc.contributor.author | Jung, Sung-Kyun | - |
dc.contributor.author | Hwang, Insang | - |
dc.contributor.author | Cho, Sung-Pyo | - |
dc.contributor.author | Eum, Donggun | - |
dc.contributor.author | Park, Hyeokjun | - |
dc.contributor.author | Song, Jun-Hyuk | - |
dc.contributor.author | Yu, Seungju | - |
dc.contributor.author | Oh, Kyungbae | - |
dc.contributor.author | Kwon, Giyun | - |
dc.contributor.author | Hwang, Taehyun | - |
dc.contributor.author | Ko, Kun-Hee | - |
dc.contributor.author | Kang, Kisuk | - |
dc.date.accessioned | 2023-03-20T08:35:43Z | - |
dc.date.available | 2023-03-20T08:35:43Z | - |
dc.date.created | 2023-02-27 | - |
dc.date.created | 2023-02-27 | - |
dc.date.created | 2023-02-27 | - |
dc.date.created | 2023-02-27 | - |
dc.date.created | 2023-02-27 | - |
dc.date.created | 2023-02-27 | - |
dc.date.issued | 2023-01 | - |
dc.identifier.citation | Nature Energy, Vol.8 No.1, pp.30-39 | - |
dc.identifier.issn | 2058-7546 | - |
dc.identifier.uri | https://hdl.handle.net/10371/189400 | - |
dc.description.abstract | To 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.language | 영어 | - |
dc.publisher | NATURE PUBLISHING GROUP | - |
dc.title | Amorphous iron fluorosulfate as a high-capacity cathode utilizing combined intercalation and conversion reactions with unexpectedly high reversibility | - |
dc.type | Article | - |
dc.identifier.doi | 10.1038/s41560-022-01148-w | - |
dc.citation.journaltitle | Nature Energy | - |
dc.identifier.wosid | 000881560600002 | - |
dc.identifier.scopusid | 2-s2.0-85141729897 | - |
dc.citation.endpage | 39 | - |
dc.citation.number | 1 | - |
dc.citation.startpage | 30 | - |
dc.citation.volume | 8 | - |
dc.description.isOpenAccess | N | - |
dc.contributor.affiliatedAuthor | Kang, Kisuk | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.subject.keywordPlus | RECHARGEABLE LITHIUM | - |
dc.subject.keywordPlus | ELECTRODE MATERIALS | - |
dc.subject.keywordPlus | ION BATTERIES | - |
dc.subject.keywordPlus | DYNAMICS | - |
dc.subject.keywordPlus | CHALLENGES | - |
dc.subject.keywordPlus | LIFESO4F | - |
dc.subject.keywordPlus | STORAGE | - |
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