Solid-State Graft Polymer Electrolytes with Conductive Backbones and Side Chains for Lithium Batteries

被引：2

作者：

Zeng, Guangjian ^{[1
,2
]}

Dai, Shuqi ^{[1
,2
]}

Chen, Xiupeng ^{[1
,2
]}

Qiu, Lu ^{[1
,2
]}

Kong, Xian ^{[1
,2
]}

Huang, Mingjun ^{[1
,2
]}

Wen, Tao ^{[1
,2
]}

机构：

[1] South China Univ Technol, South China Adv Inst Soft Matter Sci & Technol, Sch Emergent Soft Matter, Guangzhou 510640, Peoples R China

[2] South China Univ Technol, Guangdong Prov Key Lab Funct & Intelligent Hybrid, Guangzhou 510640, Peoples R China

来源：

MACROMOLECULES | 2024年 / 57卷 / 03期

关键词：

IONIC-CONDUCTIVITY; ELECTROCHEMICAL PROPERTIES; THERMAL-PROPERTIES; PEO; TRANSPORT; COPOLYMERS; MORPHOLOGY; BEHAVIOR; FILLERS; BRUSH;

D O I：

10.1021/acs.macromol.3c02150

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Graft polymers have been widely investigated as solid polymer electrolytes (SPEs) in the past decades. However, the presence of insulating backbones in the conventional graft polymers damps the overall Li+ conductivity and transport number (t(Li+)). Herein, a series of polycarbonates (PCs) possessing ethylene oxide (EO) side chains were designed and synthesized through ring-opening polymerization (ROP), and their ionic conductivities were evaluated as SPEs with LiTFSI. The synergy of conductive backbones and side chains gives a high t(Li+) value of 0.67 while having an ionic conductivity of 2 x 10(-5) S cm(-1) at 30 degrees C. This work provides new insights into the development of high-performance SPEs by combining different conductive polymers.

引用

页码：1258 / 1265

页数：8

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