Host–Guest Inversion Engineering Induced Superionic Composite Solid Electrolytes for High-Rate Solid-State Alkali Metal Batteries
Highlights Host–guest inversion engineering is proposed to create poly(vinylidene fluoride-hexafluoropropylene) (PVH)-in-SiO2 composite solid electrolytes with an original “polymer guest-in-ceramic host” architecture, exhibiting optimized interfacial contacts and comprehensive properties. The PVH-in...
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| Format: | Article |
| Language: | English |
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SpringerOpen
2025-03-01
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| Series: | Nano-Micro Letters |
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| Online Access: | https://doi.org/10.1007/s40820-025-01691-7 |
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| author | Xiong Xiong Liu Long Pan Haotian Zhang Pengcheng Yuan Mufan Cao Yaping Wang Zeyuan Xu Min Gao Zheng Ming Sun |
| author_facet | Xiong Xiong Liu Long Pan Haotian Zhang Pengcheng Yuan Mufan Cao Yaping Wang Zeyuan Xu Min Gao Zheng Ming Sun |
| author_sort | Xiong Xiong Liu |
| collection | DOAJ |
| description | Highlights Host–guest inversion engineering is proposed to create poly(vinylidene fluoride-hexafluoropropylene) (PVH)-in-SiO2 composite solid electrolytes with an original “polymer guest-in-ceramic host” architecture, exhibiting optimized interfacial contacts and comprehensive properties. The PVH-in-SiO2 exhibits an overwhelming ionic conductivity of 1.32 × 10−3 S cm−1 at 25 °C, with an ultralow residual solvent content of 2.9 wt%. In addition, the LiFePO4|PVH-in-SiO2|Li full cells deliver a significant capacity retention of 92.9% at an ultrahigh rate of 3C after 300 cycles at 25 °C. The host–guest inversion engineering is a versatile strategy, as proved by preparing Na+ and K+-based PVH-in-SiO2 composite solid electrolytes, delivering excellent ionic conductivity of 10−4 S cm−1 at 25 °C (vs. 10−6–10−5 S cm−1 of previous reports). |
| format | Article |
| id | doaj-art-2fe13c0e40344a3d801ab69a61555ce6 |
| institution | DOAJ |
| issn | 2311-6706 2150-5551 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Nano-Micro Letters |
| spelling | doaj-art-2fe13c0e40344a3d801ab69a61555ce62025-08-20T03:06:02ZengSpringerOpenNano-Micro Letters2311-67062150-55512025-03-0117111610.1007/s40820-025-01691-7Host–Guest Inversion Engineering Induced Superionic Composite Solid Electrolytes for High-Rate Solid-State Alkali Metal BatteriesXiong Xiong Liu0Long Pan1Haotian Zhang2Pengcheng Yuan3Mufan Cao4Yaping Wang5Zeyuan Xu6Min Gao7Zheng Ming Sun8School of Materials Science and Engineering, Southeast UniversitySchool of Materials Science and Engineering, Southeast UniversitySchool of Materials Science and Engineering, Southeast UniversitySchool of Materials Science and Engineering, Southeast UniversitySchool of Materials Science and Engineering, Southeast UniversitySchool of Materials Science and Engineering, Southeast UniversitySchool of Materials Science and Engineering, Southeast UniversitySchool of Materials Science and Engineering, Southeast UniversitySchool of Materials Science and Engineering, Southeast UniversityHighlights Host–guest inversion engineering is proposed to create poly(vinylidene fluoride-hexafluoropropylene) (PVH)-in-SiO2 composite solid electrolytes with an original “polymer guest-in-ceramic host” architecture, exhibiting optimized interfacial contacts and comprehensive properties. The PVH-in-SiO2 exhibits an overwhelming ionic conductivity of 1.32 × 10−3 S cm−1 at 25 °C, with an ultralow residual solvent content of 2.9 wt%. In addition, the LiFePO4|PVH-in-SiO2|Li full cells deliver a significant capacity retention of 92.9% at an ultrahigh rate of 3C after 300 cycles at 25 °C. The host–guest inversion engineering is a versatile strategy, as proved by preparing Na+ and K+-based PVH-in-SiO2 composite solid electrolytes, delivering excellent ionic conductivity of 10−4 S cm−1 at 25 °C (vs. 10−6–10−5 S cm−1 of previous reports).https://doi.org/10.1007/s40820-025-01691-7Host–guest inversion engineeringSiO2 nanoparticleSuperionic conductivityComposite solid electrolyteSolid-state alkali metal battery |
| spellingShingle | Xiong Xiong Liu Long Pan Haotian Zhang Pengcheng Yuan Mufan Cao Yaping Wang Zeyuan Xu Min Gao Zheng Ming Sun Host–Guest Inversion Engineering Induced Superionic Composite Solid Electrolytes for High-Rate Solid-State Alkali Metal Batteries Nano-Micro Letters Host–guest inversion engineering SiO2 nanoparticle Superionic conductivity Composite solid electrolyte Solid-state alkali metal battery |
| title | Host–Guest Inversion Engineering Induced Superionic Composite Solid Electrolytes for High-Rate Solid-State Alkali Metal Batteries |
| title_full | Host–Guest Inversion Engineering Induced Superionic Composite Solid Electrolytes for High-Rate Solid-State Alkali Metal Batteries |
| title_fullStr | Host–Guest Inversion Engineering Induced Superionic Composite Solid Electrolytes for High-Rate Solid-State Alkali Metal Batteries |
| title_full_unstemmed | Host–Guest Inversion Engineering Induced Superionic Composite Solid Electrolytes for High-Rate Solid-State Alkali Metal Batteries |
| title_short | Host–Guest Inversion Engineering Induced Superionic Composite Solid Electrolytes for High-Rate Solid-State Alkali Metal Batteries |
| title_sort | host guest inversion engineering induced superionic composite solid electrolytes for high rate solid state alkali metal batteries |
| topic | Host–guest inversion engineering SiO2 nanoparticle Superionic conductivity Composite solid electrolyte Solid-state alkali metal battery |
| url | https://doi.org/10.1007/s40820-025-01691-7 |
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