A study on PVDF-PEO-Li7La2.5Ce0.5Zr1.625Bi0.3O12 solid electrolyte with high ionic conductivity and its application in solid-state batteries

Polymer/ceramic composite solid electrolyte is an effective solution for the development of flexible solid-state lithium metal batteries. In this paper, a solid-state lithium-ion electrolyte composed of ceramic powder Li7La2.5Ce0.5Zr1.625Bi0.3O12 (LLCZBO) and lithium salt LiTFSI is added to PVDF-PEO...

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Main Authors: Jing Wang, Xin Li, Xinlu Wang, Yang Su, Guixia Liu, Wensheng Yu, Xiangting Dong, Jinxian Wang
Format: Article
Language:English
Published: Elsevier 2025-04-01
Series:Next Materials
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Online Access:http://www.sciencedirect.com/science/article/pii/S2949822824002570
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author Jing Wang
Xin Li
Xinlu Wang
Yang Su
Guixia Liu
Wensheng Yu
Xiangting Dong
Jinxian Wang
author_facet Jing Wang
Xin Li
Xinlu Wang
Yang Su
Guixia Liu
Wensheng Yu
Xiangting Dong
Jinxian Wang
author_sort Jing Wang
collection DOAJ
description Polymer/ceramic composite solid electrolyte is an effective solution for the development of flexible solid-state lithium metal batteries. In this paper, a solid-state lithium-ion electrolyte composed of ceramic powder Li7La2.5Ce0.5Zr1.625Bi0.3O12 (LLCZBO) and lithium salt LiTFSI is added to PVDF-PEO. With the addition of 20 wt% LLCZBO, the electrolyte has a high ionic conductivity of 3.67 × 10−4 S·cm−1 at room temperature. The lithium symmetric battery can be cycled for a long time at a current density of 0.1 mA·cm−2. The battery with LiNi0.6Co0.2Mn0.2O2 (NCM) as the cathode can be cycled at room temperature at 0.1 C and obtain high coulombic efficiency. The excellent cycle performance and rate capability can be attributed to the high ionic conductivity of LLCZBO. These advantages indicate that the composite solid electrolyte (CSE) membranes is expected to be a perfect electrolyte for the next generation of solid-state lithium batteries.
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issn 2949-8228
language English
publishDate 2025-04-01
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spelling doaj-art-06968559869f4afbad9b5aa08a302a2a2025-08-20T02:18:48ZengElsevierNext Materials2949-82282025-04-01710036010.1016/j.nxmate.2024.100360A study on PVDF-PEO-Li7La2.5Ce0.5Zr1.625Bi0.3O12 solid electrolyte with high ionic conductivity and its application in solid-state batteriesJing Wang0Xin Li1Xinlu Wang2Yang Su3Guixia Liu4Wensheng Yu5Xiangting Dong6Jinxian Wang7School of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Changchun 130022, ChinaJilin Junfan Sulfides Material Technology Co. Ltd, Changchun 130022, ChinaSchool of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Changchun 130022, ChinaSchool of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Changchun 130022, ChinaSchool of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Changchun 130022, ChinaSchool of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Changchun 130022, ChinaSchool of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Changchun 130022, ChinaSchool of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Changchun 130022, China; Jilin Junfan Sulfides Material Technology Co. Ltd, Changchun 130022, China; Corresponding author at: School of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Changchun 130022, China.Polymer/ceramic composite solid electrolyte is an effective solution for the development of flexible solid-state lithium metal batteries. In this paper, a solid-state lithium-ion electrolyte composed of ceramic powder Li7La2.5Ce0.5Zr1.625Bi0.3O12 (LLCZBO) and lithium salt LiTFSI is added to PVDF-PEO. With the addition of 20 wt% LLCZBO, the electrolyte has a high ionic conductivity of 3.67 × 10−4 S·cm−1 at room temperature. The lithium symmetric battery can be cycled for a long time at a current density of 0.1 mA·cm−2. The battery with LiNi0.6Co0.2Mn0.2O2 (NCM) as the cathode can be cycled at room temperature at 0.1 C and obtain high coulombic efficiency. The excellent cycle performance and rate capability can be attributed to the high ionic conductivity of LLCZBO. These advantages indicate that the composite solid electrolyte (CSE) membranes is expected to be a perfect electrolyte for the next generation of solid-state lithium batteries.http://www.sciencedirect.com/science/article/pii/S2949822824002570LLZODopingIonic conductivitySolid-state lithium batteries
spellingShingle Jing Wang
Xin Li
Xinlu Wang
Yang Su
Guixia Liu
Wensheng Yu
Xiangting Dong
Jinxian Wang
A study on PVDF-PEO-Li7La2.5Ce0.5Zr1.625Bi0.3O12 solid electrolyte with high ionic conductivity and its application in solid-state batteries
Next Materials
LLZO
Doping
Ionic conductivity
Solid-state lithium batteries
title A study on PVDF-PEO-Li7La2.5Ce0.5Zr1.625Bi0.3O12 solid electrolyte with high ionic conductivity and its application in solid-state batteries
title_full A study on PVDF-PEO-Li7La2.5Ce0.5Zr1.625Bi0.3O12 solid electrolyte with high ionic conductivity and its application in solid-state batteries
title_fullStr A study on PVDF-PEO-Li7La2.5Ce0.5Zr1.625Bi0.3O12 solid electrolyte with high ionic conductivity and its application in solid-state batteries
title_full_unstemmed A study on PVDF-PEO-Li7La2.5Ce0.5Zr1.625Bi0.3O12 solid electrolyte with high ionic conductivity and its application in solid-state batteries
title_short A study on PVDF-PEO-Li7La2.5Ce0.5Zr1.625Bi0.3O12 solid electrolyte with high ionic conductivity and its application in solid-state batteries
title_sort study on pvdf peo li7la2 5ce0 5zr1 625bi0 3o12 solid electrolyte with high ionic conductivity and its application in solid state batteries
topic LLZO
Doping
Ionic conductivity
Solid-state lithium batteries
url http://www.sciencedirect.com/science/article/pii/S2949822824002570
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