Covalently cross-linked polymer stabilized electrolytes with self-healing performance via boronic ester bonds

Sibo Li; Cai Zuo; Yong Zhang; Jirong Wang; Huihui Gan; Shaoqiao Li; Liping Yu; Binghua Zhou; Zhigang Xue

doi:10.1039/D0PY00728E

Covalently cross-linked polymer stabilized electrolytes with self-healing performance via boronic ester bonds†

Sibo Li,‡^a Cai Zuo,‡^a Yong Zhang,^a Jirong Wang,^a Huihui Gan,^a Shaoqiao Li,^a Liping Yu,^a Binghua Zhou*^b and Zhigang Xue

*^ac

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* Corresponding authors

^a Key Laboratory for Material Chemistry of Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
E-mail: zgxue@mail.hust.edu.cn

^b Institute of Advanced Materials (IAM), Jiangxi Normal University, Nanchang 330022, China
E-mail: zhoubh@jxnu.edu.cn

^c State Key Laboratory of Materials Processing and Die & Mold Technology, Huazhong University of Science and Technology, Wuhan 430074, China

Abstract

Herein, solid polymer electrolytes (SPEs) were designed and fabricated via the photopolymerization of a macromolecular crosslinker with boronic ester bonds and poly(ethylene glycol) diacrylate (PEGDA) with different molecular weights under UV irradiation in the presence of a photoinitiator. The boronic ester-based crosslinker was synthesized via the dehydration reaction of ortho-aminomethyl-phenylboronic acid-terminated poly(propylene glycol)-b-poly(ethylene glycol)-b-poly(propylene glycol) and 2,3-dihydroxypropyl methacrylate. The covalently cross-linked polymer stabilized electrolytes (PSEs) containing boronic ester bonds possessed improved ionic conductivity, self-healing properties, and a wide electrochemical window (5.3 V vs. Li⁺/Li).

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DOI: https://doi.org/10.1039/D0PY00728E
Article type: Paper
Submitted: 18 May 2020
Accepted: 15 Aug 2020
First published: 17 Aug 2020

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Polym. Chem., 2020,11, 5893-5902

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Covalently cross-linked polymer stabilized electrolytes with self-healing performance via boronic ester bonds

S. Li, C. Zuo, Y. Zhang, J. Wang, H. Gan, S. Li, L. Yu, B. Zhou and Z. Xue, Polym. Chem., 2020, 11, 5893 DOI: 10.1039/D0PY00728E

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Polymer Chemistry

Covalently cross-linked polymer stabilized electrolytes with self-healing performance via boronic ester bonds†

Abstract

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Covalently cross-linked polymer stabilized electrolytes with self-healing performance via boronic ester bonds

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