Rational design of a topological polymeric solid electrolyte for high-performance all-solid-state alkali metal batteries

Yun Su, Xiaohui Rong (), Ang Gao, Yuan Liu, Jianwei Li, Minglei Mao, Xingguo Qi, Guoliang Chai, Qinghua Zhang, Liumin Suo, Lin Gu, Hong Li, Xuejie Huang, Liquan Chen, Binyuan Liu () and Yong-Sheng Hu ()
Additional contact information
Yun Su: Hebei University of Technology
Xiaohui Rong: Chinese Academy of Sciences
Ang Gao: Chinese Academy of Sciences
Yuan Liu: Chinese Academy of Sciences
Jianwei Li: Chinese Academy of Sciences
Minglei Mao: Chinese Academy of Sciences
Xingguo Qi: Chinese Academy of Sciences
Guoliang Chai: Chinese Academy of Sciences
Qinghua Zhang: Chinese Academy of Sciences
Liumin Suo: Chinese Academy of Sciences
Lin Gu: Chinese Academy of Sciences
Hong Li: Chinese Academy of Sciences
Xuejie Huang: Chinese Academy of Sciences
Liquan Chen: Chinese Academy of Sciences
Binyuan Liu: Hebei University of Technology
Yong-Sheng Hu: Chinese Academy of Sciences

Nature Communications, 2022, vol. 13, issue 1, 1-15

Abstract: Abstract Poly(ethylene oxide)-based solid-state electrolytes are widely considered promising candidates for the next generation of lithium and sodium metal batteries. However, several challenges, including low oxidation resistance and low cation transference number, hinder poly(ethylene oxide)-based electrolytes for broad applications. To circumvent these issues, here, we propose the design, synthesis and application of a fluoropolymer, i.e., poly(2,2,2-trifluoroethyl methacrylate). This polymer, when introduced into a poly(ethylene oxide)-based solid electrolyte, improves the electrochemical window stability and transference number. Via multiple physicochemical and theoretical characterizations, we identify the presence of tailored supramolecular bonds and peculiar morphological structures as the main factors responsible for the improved electrochemical performances. The polymeric solid electrolyte is also investigated in full lithium and sodium metal lab-scale cells. Interestingly, when tested in a single-layer pouch cell configuration in combination with a Li metal negative electrode and a LiMn0.6Fe0.4PO4-based positive electrode, the polymeric solid-state electrolyte enables 200 cycles at 42 mA·g−1 and 70 °C with a stable discharge capacity of approximately 2.5 mAh when an external pressure of 0.28 MPa is applied.

Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (7)

Downloads: (external link)
https://www.nature.com/articles/s41467-022-31792-5 Abstract (text/html)

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-31792-5

Ordering information: This journal article can be ordered from
https://www.nature.com/ncomms/

DOI: 10.1038/s41467-022-31792-5

Access Statistics for this article

Nature Communications is currently edited by Nathalie Le Bot, Enda Bergin and Fiona Gillespie

More articles in Nature Communications from Nature
Bibliographic data for series maintained by Sonal Shukla () and Springer Nature Abstracting and Indexing ().