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Improving the electrochemical performance of cathode composites using different sized solid electrolytes for all solid-state lithium batteries

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Abstract
We studied the efficiency of different particle-sized sulfide solid electrolyte-based cathode composites. First, we prepared the Li7P2S8I solid electrolytes with different particle sizes through a high energy ball milling process and solution method. The structural details of the prepared solid electrolytes were studied by powder X-ray diffraction. The surface morphologies and particle size of the electrolytes were studied by field emission electron microscopy. The ionic conductivity of the prepared solid electrolytes was studied by the electrochemical impedance spectroscopy technique. Finally, we have prepared a LiNi0.8Co0.1Mn0.1O2 (NCM 811) based cathode composite and studied the electrochemical performance of the fabricated all-solid-state lithium batteries. The mixed particle-sized solid electrolyte-based cathode composite exhibited higher specific capacitance (127.2 mA h g(-1)) than the uniform-sized solid electrolyte-based cathode composite (117.1 mA h g(-1)). The electrochemical analysis confirmed that the sulfide solid electrolytes with mixed particle size exhibited better electrochemical performance.
Author(s)
라제시 라자고팔유브라 수브라리안류광선
Issued Date
2021
Type
Article
Keyword
cathode compositesdifferent sizesolid electrolytesall solid-state lithium batteries
DOI
10.1039/d1ra05897e
URI
https://oak.ulsan.ac.kr/handle/2021.oak/9656
https://ulsan-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=TN_cdi_crossref_primary_10_1039_D1RA05897E&context=PC&vid=ULSAN&lang=ko_KR&search_scope=default_scope&adaptor=primo_central_multiple_fe&tab=default_tab&query=any,contains,Improving%20the%20electrochemical%20performance%20of%20cathode%20composites%20using%20different%20sized%20solid%20electrolytes%20for%20all%20solid-state%20lithium%20batteries&offset=0&pcAvailability=true
Publisher
RSC Advances
Location
영국
Language
영어
ISSN
2046-2069
Citation Volume
11
Citation Number
52
Citation Start Page
32981
Citation End Page
32987
Appears in Collections:
Natural Science > Chemistry
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