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High ionic-conducting Li-argyrodites synthesized using a simple and economic liquid-phase approach and their application in all solid-state-lithium batteries

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Abstract
We develop a new solution synthesis strategy for producing high ionic-conducting sulfide solid electrolyte using ethylenediamine (EDA) solvent. Here, we follow three simple steps: dissolve the precursor in ethylenediamine solvent to form the clear solution, then removing a solvent at 180 degrees C followed by heat treatment. The prepared Li5.5PS4.5Cl1.5 electrolyte demonstrated the high ionic conductivity of 2.87 mS cm(-1) at 25 degrees C. Further, fabricated solid battery using optimized electrolyte exhibited a high initial discharge capacity of 175.7 mAh g(-1) at 0.1 C rate. Moreover, the synthesis technique is a convenient and quick process, thus facilitating mass production of solid electrolytes. (C) 2021 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
Author(s)
Rajesh RajagopalYuvaraj Subramanian류광선
Issued Date
2021
Type
Article
Keyword
ArgyroditesSolution synthesis processAmine solventSolid state battery
DOI
10.1016/j.scriptamat.2021.114129
URI
https://oak.ulsan.ac.kr/handle/2021.oak/9646
https://ulsan-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=TN_cdi_gale_infotracacademiconefile_A673389365&context=PC&vid=ULSAN&lang=ko_KR&search_scope=default_scope&adaptor=primo_central_multiple_fe&tab=default_tab&query=any,contains,High%20ionic-conducting%20Li-argyrodites%20synthesized%20using%20a%20simple%20and%20economic%20liquid-phase%20approach%20and%20their%20application%20in%20all%20solid-state-lithium%20batteries&offset=0&pcAvailability=true
Publisher
SCRIPTA MATERIALIA
Location
영국
Language
영어
ISSN
1359-6462
Citation Volume
204
Citation Number
1
Citation Start Page
114129
Citation End Page
114129
Appears in Collections:
Natural Science > Chemistry
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