Synthesis of Single Lithium-Ion Conducting Polymer Electrolyte Membrane for Solid-State Lithium Metal Batteries

被引：76

作者：

Luo, Guangmei ^{[1
]}

Yuan, Bing ^{[1
]}

Guan, Tianyun ^{[1
]}

Cheng, Fangyi ^{[2
]}

Zhang, Wangqing ^{[1
,3
]}

Chen, Jun ^{[2
]}

机构：

[1] Nankai Univ, Inst Polymer Chem, Coll Chem, Key Lab Funct Polymer Mat,Minist Educ, Tianjin 300071, Peoples R China

[2] Nankai Univ, Coll Chem, Minist Educ, Key Lab Adv Energy Mat Chem, Tianjin 300071, Peoples R China

[3] Nankai Univ, Collaborat Innovat Ctr Chem Sci & Engn Tianjin, Tianjin 300071, Peoples R China

来源：

ACS APPLIED ENERGY MATERIALS | 2019年 / 2卷 / 05期

基金：

美国国家科学基金会;

关键词：

single lithium-ion conductor; polymer electrolytes; lithium metal batteries; lithium-ion transference number; membrane; TRIBLOCK COPOLYMERS; ETHYLENE-OXIDE; PERFORMANCE; NANOPARTICLES; PLASTICIZER;

D O I：

10.1021/acsaem.9b00440

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Synthesis of single lithium-ion conducting polymer electrolyte membrane (SLIC-PEM) composed of polymerized lithium 4-styrenesulfonyl(trifluoromethylsulfonyl)imide (PLiSTFSI), poly-(ethylene glycol) methyl ether methacrylate (PEGM), poly(ethylene glycol) dimethacrylate (PEGDMA), and ethylene carbonate (EC) is reported. SLIC-PEM combines the advantages of single lithium-ion conducting polymer electrolytes, cross-linked flexible polymer electrolytes, and the liquid electrolyte of carbonate. The synthesized SLIC-PEMs have superior thermostability, high ionic conductivity, a wide electrochemical window, and high lithium-ion transference number. The corresponding LiFePO4 vertical bar SLIC-PEM vertical bar Li cell delivers high Coulombic efficiency and excellent discharge capacity and cycling performance, demonstrating that SLIC-PEMs will have promising application in next-generation safe lithium metal batteries.

引用

页码：3028 / 3034

页数：13

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