Quasi-solid-state lithium-tellurium batteries based on flexible gel polymer electrolytes

被引:12
|
作者
Zhang, Yue [1 ]
Lu, Wei [2 ,3 ,4 ]
Manaig, Dan [1 ,5 ]
Freschi, Donald J. [5 ]
Liu, Yulong [2 ]
Xie, Haiming [2 ]
Liu, Jian [1 ]
机构
[1] Univ British Columbia, Fac Appl Sci, Sch Engn, 3333 Univ Way, Kelowna, BC V1V 1V7, Canada
[2] Northeast Normal Univ, 5268 Renmin St, Changchun 130024, Jilin, Peoples R China
[3] Jilin Normal Univ, Key Lab Funct Mat Phys & Chem, Minist Educ, Changchun 130103, Peoples R China
[4] Jilin Normal Univ, Coll Informat Technol, Siping 136000, Peoples R China
[5] Fenix Adv Mat, 2950 Highway Dr, Trail, BC V1R 2T3, Canada
基金
加拿大创新基金会; 加拿大自然科学与工程研究理事会;
关键词
Lithium-tellurium batteries; Gel polymer electrolyte; Tellurium/microporous carbon; Quasi-solid-state batteries; SULFUR BATTERIES; CATHODE MATERIALS; CARBON; PERFORMANCE; N-METHYL-2-PYRROLIDONE; NANOWIRES; DESIGN; BINDER;
D O I
10.1016/j.jcis.2021.07.081
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
A quasi-solid-state Li-Te battery is developed by using a flexible gel polymer electrolyte (GPE), porous carbon/tellurium cathode, and lithium metal anode. The ionic conductivity of GPE is controllable and reaches up to 8.0 x 10(-4) S cm(-1) at 25 degrees C. The good interfacial contact with Li metal ensures excellent cycling stability in Li/GPE/Li symmetric cells. Moreover, it is found that, compared to S and Se counterparts, the Li-Te battery exhibits good rate capability due to the high electrical conductivity of Te and excellent interfacial stability among GPE, Li, and Te. This work provides several facile strategies to develop safe and high-performance solid-state Li-Te batteries. (C) 2021 Elsevier Inc. All rights reserved.
引用
收藏
页码:547 / 555
页数:9
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