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Preparation of Li7La3Zr2O12-Polyethylene Oxide/Polyethylene Partial Fluoride Solid Composite Polymer Electrolyte and Performance of All Solid State Batteries
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Yongli YI1, Ran YU2, Zheren DAI3, Yi JIN2
Journal of the Chinese Ceramic Society | 2023, 51(7) : 1756 - 1762
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Journal of the Chinese Ceramic Society | 2023, 51(7): 1756-1762
• Research Articles •
Preparation of Li7La3Zr2O12-Polyethylene Oxide/Polyethylene Partial Fluoride Solid Composite Polymer Electrolyte and Performance of All Solid State Batteries
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Yongli YI1, Ran YU2, Zheren DAI3, Yi JIN2
Affiliations
  • 1.State Grid Zhejiang Wenzhou Power Supply Company, Wenzhou 325000, Zhejiang, China
  • 2.China Electric Power Research Institute, Beijing 100192, China
  • 3.State Grid Zhejiang Electric Power Co., Ltd., Hangzhou 310007, China

    • YI Yongli (1983-), male, Master, Senior Engineer. E-mail:

About Author:

YI Yongli (1983-), male, Master, Senior Engineer. E-mail:

Published: 2023-06-09 doi: 10.14062/j.issn.0454-5648.20230024
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All-solid-state lithium-ion batteries constructed with solid-state electrolytes have extremely high safety and reliability, which are an existing research hotspot in lithium-ion batteries. It is thus a great significance to develop inorganic-polymer composite solid electrolytes. In this paper, Li7La3Zr2O12 (LLZO) nano-powders were prepared by a sol-gel and ball milling method. Also, a solid-state composite polymer electrolyte with LLZO as an active filling material and polyethylene oxide (PEO) blended with polyethylene partial fluoride (PVDF) was prepared by a solution pouring method. The samples were characterized by field emission scanning electron microscopy and X-ray diffraction. The results show that LLZO/PEO/PVDF solid-state composite polymer electrolyte (SCE) membrane with 10% (in mass fraction) LLZO has a high ionic conductivity (8.93×10-5 S/cm) and a stable electrochemical window (4.9 V). The rate capabilities and cycle performance of LiFePO4/Li all-solid-state lithium battery with 10%LLZO both are improved. At 60 ℃, the capacity recovery rate is 99.4%, and the capacity retention rate after 100 cycles is 84.1% at 0.2 C.

lithium lanthanum zirconium oxygen  /  blending polymer  /  solid-state composite polymer electrolyte  /  all-solid-state lithium-ion battery
易永利, 于冉, 戴哲仁, 金翼. Li7La3Zr2O12-聚氧化乙烯/聚偏氟乙烯固态复合电解质的制备及全固态电池性能. 硅酸盐学报, 2023 , 51 (7) : 1756 -1762 . DOI: 10.14062/j.issn.0454-5648.20230024
Yongli YI, Ran YU, Zheren DAI, Yi JIN. Preparation of Li7La3Zr2O12-Polyethylene Oxide/Polyethylene Partial Fluoride Solid Composite Polymer Electrolyte and Performance of All Solid State Batteries[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (7) : 1756 -1762 . DOI: 10.14062/j.issn.0454-5648.20230024
Appendix
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Year 2023 volume 51 Issue 7
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Article Info
doi: 10.14062/j.issn.0454-5648.20230024
  • Receive Date：2023-01-14
  • Online Date：2026-10-19
  • Published：2023-06-09
Article Data
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History
  • Received：2023-01-14
  • Revised：2023-02-24
Funding
Affiliations
    1.State Grid Zhejiang Wenzhou Power Supply Company, Wenzhou 325000, Zhejiang, China
    2.China Electric Power Research Institute, Beijing 100192, China
    3.State Grid Zhejiang Electric Power Co., Ltd., Hangzhou 310007, China
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表12种不同金属材料的力学参数
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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