Lignin Derived Ultrathin All-Solid Polymer Electrolytes with 3D Single-Ion Nanofiber Ionic Bridge Framework for High Performance Lithium Batteries
© 2024 Wiley‐VCH GmbH..
The lignin derived ultrathin all-solid composite polymer electrolyte (CPE) with a thickness of only 13.2 µm, which possess 3D nanofiber ionic bridge networks composed of single-ion lignin-based lithium salt (L-Li) and poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) as the framework, and poly(ethylene oxide)/lithium bis(trifluoromethanesulfonyl)imide (PEO/LiTFSI) as the filler, is obtained through electrospinning/spraying and hot-pressing. t. The Li-symmetric cell assembled with the CPE can stably cycle more than 6000 h under 0.5 mA cm-2 with little Li dendrites growth. Moreover, the assembled Li||CPE||LiFePO4 cells can stably cycle over 700 cycles at 0.2 C with a super high initial discharge capacity of 158.5 mAh g-1 at room temperature, and a favorable capacity of 123 mAh g-1 at -20 °C for 250 cycles. The excellent electrochemical performance is mainly attributed to the reason that the nanofiber ionic bridge network can afford uniformly dispersed single-ion L-Li through electrospinning, which synergizes with the LiTFSI well dispersed in PEO to form abundant and efficient 3D Li+ transfer channels. The ultrathin CPE induces uniform deposition of Li+ at the interface, and effectively inhibit the lithium dendrites. This work provides a promising strategy to achieve ultrathin biobased electrolytes for solid-state lithium ion batteries.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - year:2024 |
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| Enthalten in: |
Advanced materials (Deerfield Beach, Fla.) - (2024) vom: 16. Apr., Seite e2400970 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Liu, Yuhan [VerfasserIn] |
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| Links: |
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| Themen: |
All‐solid‐state polymer electrolytes |
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| Anmerkungen: |
Date Revised 25.04.2024 published: Print-Electronic Citation Status Publisher |
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| doi: |
10.1002/adma.202400970 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM371129524 |
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| 520 | |a The lignin derived ultrathin all-solid composite polymer electrolyte (CPE) with a thickness of only 13.2 µm, which possess 3D nanofiber ionic bridge networks composed of single-ion lignin-based lithium salt (L-Li) and poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) as the framework, and poly(ethylene oxide)/lithium bis(trifluoromethanesulfonyl)imide (PEO/LiTFSI) as the filler, is obtained through electrospinning/spraying and hot-pressing. t. The Li-symmetric cell assembled with the CPE can stably cycle more than 6000 h under 0.5 mA cm-2 with little Li dendrites growth. Moreover, the assembled Li||CPE||LiFePO4 cells can stably cycle over 700 cycles at 0.2 C with a super high initial discharge capacity of 158.5 mAh g-1 at room temperature, and a favorable capacity of 123 mAh g-1 at -20 °C for 250 cycles. The excellent electrochemical performance is mainly attributed to the reason that the nanofiber ionic bridge network can afford uniformly dispersed single-ion L-Li through electrospinning, which synergizes with the LiTFSI well dispersed in PEO to form abundant and efficient 3D Li+ transfer channels. The ultrathin CPE induces uniform deposition of Li+ at the interface, and effectively inhibit the lithium dendrites. This work provides a promising strategy to achieve ultrathin biobased electrolytes for solid-state lithium ion batteries | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a LIBs | |
| 650 | 4 | |a all‐solid‐state polymer electrolytes | |
| 650 | 4 | |a electrospinning | |
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| 700 | 1 | |a Wang, Pinhui |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Zhenyue |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Liying |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Zhangnan |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Chengzhe |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Baijun |e verfasserin |4 aut | |
| 700 | 1 | |a Sun, Zhaoyan |e verfasserin |4 aut | |
| 700 | 1 | |a Pei, Hanwen |e verfasserin |4 aut | |
| 700 | 1 | |a Lv, Zhongyuan |e verfasserin |4 aut | |
| 700 | 1 | |a Hu, Wei |e verfasserin |4 aut | |
| 700 | 1 | |a Lu, Yunfeng |e verfasserin |4 aut | |
| 700 | 1 | |a Zhu, Guangshan |e verfasserin |4 aut | |
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