Excellent room-temperature performance of lithium metal polymer battery with enhanced interfacial compatibility

被引：7

作者：

Fu, Chuankai ^{[1
]}

Lou, Shuaifeng ^{[1
]}

Cao, Yi ^{[1
]}

Ma, Yulin ^{[1
]}

Du, Chunyu ^{[1
]}

Zuo, Pengjian ^{[1
]}

Cheng, Xinqun ^{[1
]}

Tang, Weiping ^{[2
]}

Wu, Yongmin ^{[2
]}

Gao, Yunzhi ^{[1
]}

Huo, Hua ^{[1
]}

Yin, Geping ^{[1
]}

机构：

[1] Harbin Inst Technol, Sch Chem & Chem Engn, MIIT Key Lab Crit Mat Technol New Energy Convers, Harbin 150001, Heilongjiang, Peoples R China

[2] Shanghai Inst Space Power Sources, State Key Lab Space Power Sources Technol, Shanghai 200245, Peoples R China

来源：

ELECTROCHIMICA ACTA | 2018年 / 283卷

基金：

中国国家自然科学基金;

关键词：

Lithium metal polymer battery; Interfacial compatibility; Composite solid-state electrolyte; Room temperature; SOLID POLYMER; COMPOSITE ELECTROLYTE; IONIC-CONDUCTIVITY; ELECTROCHEMICAL PERFORMANCE; RECHARGEABLE BATTERIES; ANODE; CHALLENGES; STABILITY; LIQUID; ZNO;

D O I：

10.1016/j.electacta.2018.07.040

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Recently, rechargeable lithium metal polymer battery (LMPB) attracts increasing attention because of its high safety and energy density properties. However, the high contact interfacial resistance of solid-state electrode and electrolyte is still an obstacle to satisfy the demand of high current density and long cycle stability, especially at room and lower temperature. Here, we develop a simple and efficient heat treatment method, to improve the interfacial compatibility between electrode and electrolyte in all-solid-state LMPB, successfully realizing workable LMPB at a reduced temperature (30 degrees C). The LMPB shows excellent cycling performance and rate capability in the voltage range of 2.5-4.2 V. The behavior of Li+ plating/stripping on the surface of lithium metal anode is greatly enhanced. Meanwhile, the interfacial resistance of the LMPB decrease significantly after the heat treatment process. (C) 2018 Elsevier Ltd. All rights reserved.

引用

页码：1261 / 1268

页数：8

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