Full metadata record
DC Field | Value | Language |
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dc.contributor.author | Kang, Seokbum | - |
dc.contributor.author | Yang, Chang-Eui. | - |
dc.contributor.author | Jeon, Boosik | - |
dc.contributor.author | Koo, Bonhyeop | - |
dc.contributor.author | Hong, Seung-Tae | - |
dc.contributor.author | Lee, Hochun | - |
dc.date.accessioned | 2021-10-05T08:30:02Z | - |
dc.date.available | 2021-10-05T08:30:02Z | - |
dc.date.created | 2021-05-14 | - |
dc.date.issued | 2021-08 | - |
dc.identifier.issn | 2405-8297 | - |
dc.identifier.uri | http://hdl.handle.net/20.500.11750/15397 | - |
dc.description.abstract | Owing to their mitigated safety risk and high energy density, all-solid-state sodium batteries are promising post-Li batteries. However, current solid-state electrolytes have insufficient ionic conductivity, electrochemical stability, and contacting ability with porous electrodes. To overcome these issues, this study presents sulfone-based crystalline organic electrolytes (SCOEs) composed of dimethyl sulfone (DMS) and sodium bis(fluorosulfonyl)imide (NaFSI). One particular SCOE (NaFSI/DMS, 2:8 by mol) has high ionic conductivity (7.0 × 10−4 S cm−1) at 25 °C and excellent oxidative stability (>5.5 V vs. Na+/Na). Importantly, the SCOE displays an optimum melting point (66 °C), enabling intimate contact with porous composite electrodes via the melt-casting process. Na||Na3V2(PO4)3 cells employing this SCOE show better cyclability than do cells employing a conventional carbonate electrolyte (capacity retention 91.1% vs. 60.3% after 200 cycles at 25 °C). Additionally, the SCOE has negligible flammability, unlike carbonate electrolytes, thus holding great promise as an electrolyte for safe, room-temperature operable all-solid-state sodium batteries. © 2021 Elsevier B.V. | - |
dc.language | English | - |
dc.publisher | Elsevier BV | - |
dc.title | A crystalline organic electrolyte for safe, room-temperature operable all-solid-state sodium batteries | - |
dc.type | Article | - |
dc.identifier.doi | 10.1016/j.ensm.2021.04.031 | - |
dc.identifier.wosid | 000655749500002 | - |
dc.identifier.scopusid | 2-s2.0-85104910089 | - |
dc.identifier.bibliographicCitation | Energy Storage Materials, v.39, pp.259 - 264 | - |
dc.description.isOpenAccess | FALSE | - |
dc.subject.keywordAuthor | Crystalline organic electrolytes | - |
dc.subject.keywordAuthor | Melt-casting processes | - |
dc.subject.keywordAuthor | Sodium batteries | - |
dc.subject.keywordAuthor | Solid electrolytes | - |
dc.subject.keywordAuthor | Solid-state batteries | - |
dc.subject.keywordPlus | Crystalline materials | - |
dc.subject.keywordPlus | Electrochemical electrodes | - |
dc.subject.keywordPlus | Ionic conduction in solids | - |
dc.subject.keywordPlus | Ionic conductivity | - |
dc.subject.keywordPlus | Potentiometric sensors | - |
dc.subject.keywordPlus | Sodium | - |
dc.subject.keywordPlus | Sodium compounds | - |
dc.subject.keywordPlus | Solid state devices | - |
dc.subject.keywordPlus | Solid-State Batteries | - |
dc.subject.keywordPlus | All-solid state | - |
dc.subject.keywordPlus | Crystalline organic electrolyte | - |
dc.subject.keywordPlus | Dimethyl sulfone | - |
dc.subject.keywordPlus | Higher energy density | - |
dc.subject.keywordPlus | Safety risks | - |
dc.subject.keywordPlus | Sodium battery | - |
dc.subject.keywordPlus | Solid state batteries | - |
dc.subject.keywordPlus | Melt-casting process | - |
dc.subject.keywordPlus | Organic electrolyte | - |
dc.subject.keywordPlus | Solid electrolytes | - |
dc.subject.keywordPlus | Carbonate electrolytes | - |
dc.citation.endPage | 264 | - |
dc.citation.startPage | 259 | - |
dc.citation.title | Energy Storage Materials | - |
dc.citation.volume | 39 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Chemistry; Science & Technology - Other Topics; Materials Science | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary | - |
dc.type.docType | Article | - |
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