There are no files associated with this item.
Full metadata record
DC Field | Value | Language |
---|---|---|
dc.citation.endPage | 4989 | - |
dc.citation.number | 15 | - |
dc.citation.startPage | 4984 | - |
dc.citation.title | JOURNAL OF POWER SOURCES | - |
dc.citation.volume | 195 | - |
dc.contributor.author | Trevey, James E. | - |
dc.contributor.author | Jung, Yoon Seok | - |
dc.contributor.author | Lee, Se-Hee | - |
dc.date.accessioned | 2023-12-22T07:06:22Z | - |
dc.date.available | 2023-12-22T07:06:22Z | - |
dc.date.created | 2015-01-08 | - |
dc.date.issued | 2010-08 | - |
dc.description.abstract | Glass-ceramic and glass Li2S-GeSe2-P2S5 electrolytes were prepared by a single step ball milling (SSBM) process. Various compositions of Li4−xGe1−xPxS2(1+x)Se2(1−x) with/without heat treatment (HT) from x = 0.55 to x = 1.00 were systematically investigated. Structural analysis by X-ray diffraction (XRD) showed gradual increase of the lattice constant followed by significant phase change with increasing GeSe2. HT also affected the crystallinity. Incorporation of GeSe2 in Li2S-P2S5 kept high conductivity with a maximum value of 1.4 × 10−3 S cm−1 at room temperature for x = 0.95 in Li4−xGe1−xPxS2(1+x)Se2(1−x) without HT. All-solid-state LiCoO2/Li cells using Li2S-GeSe2-P2S5 as solid-state electrolytes (SE) were tested by constant-current constant-voltage (CCCV) charge-discharge cycling at a current density of 50 μA cm−2 between 2.5 and 4.3 V (vs. Li/Li+). In spite of the extremely high conductivity of the SE, LiCoO2/Li cells showed a large irreversible reaction especially during the first charging cycle. LiCoO2 with SEs heat-treated at elevated temperature exhibited a capacity over 100 mAh g−1 at the second cycle and consistently improved cycle retention, which is believed to be due to the better interfacial stability. | - |
dc.identifier.bibliographicCitation | JOURNAL OF POWER SOURCES, v.195, no.15, pp.4984 - 4989 | - |
dc.identifier.doi | 10.1016/j.jpowsour.2010.02.042 | - |
dc.identifier.issn | 0378-7753 | - |
dc.identifier.scopusid | 2-s2.0-77950300644 | - |
dc.identifier.uri | https://scholarworks.unist.ac.kr/handle/201301/10019 | - |
dc.identifier.wosid | 000277820500058 | - |
dc.language | 영어 | - |
dc.publisher | ELSEVIER SCIENCE BV | - |
dc.title | Preparation of Li2S-GeSe2-P2S5 electrolytes by a single step ball milling for all-solid-state lithium secondary batteries | - |
dc.type | Article | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
Items in Repository are protected by copyright, with all rights reserved, unless otherwise indicated.
Tel : 052-217-1404 / Email : scholarworks@unist.ac.kr
Copyright (c) 2023 by UNIST LIBRARY. All rights reserved.
ScholarWorks@UNIST was established as an OAK Project for the National Library of Korea.