Thermally Reprocessable Self-Healing Single-Ion Conducting Polymer Electrolytes

被引:9
|
作者
Lee, Sangho [1 ]
Song, Juhwan [1 ,2 ]
Cho, Jinhan [2 ,3 ,4 ]
Son, Jeong Gon [2 ,3 ]
Kim, Tae Ann [1 ,3 ,5 ]
机构
[1] Korea Inst Sci & Technol, Solut Electromagnet Interference Future Mobil Res, Seoul 02792, South Korea
[2] Korea Univ, KU KIST Grad Sch Converging Sci & Technol, Seoul 02841, South Korea
[3] Korea Inst Sci & Technol, Soft Hybrid Mat Res Ctr, Seoul 02792, South Korea
[4] Korea Univ, Dept Chem & Biol Engn, Seoul 02841, South Korea
[5] Korea Univ Sci & Technol UST, KIST Sch, Div Energy & Environm Technol, Seoul 02792, South Korea
关键词
polymer electrolytes; single-ion conducting membranes; recyclable thermosets; sustainable polymers; self-healing; DIELS-ALDER REACTION; PERFORMANCE; TRANSPORT; IMPACT;
D O I
10.1021/acsapm.3c01319
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Self-healing polymer electrolytes are essential for overcomingthe limitations of liquid and solid electrolytes by offering superiormechanical robustness, enhanced safety, and repeated processability.Herein, we present thermally reprocessable and self-healing thermosetsfor solid polymer electrolytes using sulfonylimide-based anionic monomersand thermo-reversible Diels-Alder chemistry. Six differenttypes of linear copolymers are synthesized by varying the chemicalstructures of furan-containing monomers and the proportion of electrolyticcomponents. Then, bismaleimide cross-linkers are introduced to formthermally reversible cross-linked networks. We investigate the effectof the comonomer ratio and monomer structure on the thermomechanicaland electrochemical properties of these polymers. Furthermore, weevaluate the mechanical and ion conducting properties after up to30 thermal reprocessing cycles. Our findings demonstrate the potentialof these thermosets as promising candidates for high-performance solidpolymer electrolytes in lithium-ion batteries.
引用
收藏
页码:7433 / 7442
页数:10
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