CNT film supported MXene/Co3O4 composite interlayers for high performance Li-S batteries

被引：5

作者：

Meng, Fancheng ^{[1
]}

Liu, Hu ^{[1
]}

Xu, Bin ^{[1
]}

Li, Shulin ^{[1
]}

Liu, Jiehua ^{[1
]}

Liu, Longbo ^{[2
]}

Gu, Tao ^{[2
]}

Xiang, Hongfa ^{[1
]}

机构：

[1] Hefei Univ Technol, Sch Mat Sci & Engn, 193 Tunxi Rd, Hefei 230009, Anhui, Peoples R China

[2] Anhui Shengjie Amperex Technol Co Ltd, 6 Huaxing Rd, Maanshan 243000, Anhui, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2022年 / 121卷 / 12期

基金：

中国国家自然科学基金;

关键词：

POROUS CARBON; SULFUR; NANOFIBERS; SEPARATOR;

D O I：

10.1063/5.0116413

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Adding a functionalized interlayer is one of the effective means to solve the problem of capacity attenuation caused by the shuttle of polysulfides in lithium-sulfur (Li-S) batteries. Moreover, the interlayer has the potential to take on more roles, such as having good mechanical flexibility to ensure high safety and flame-retardant property to improve the high temperature performance of the battery. Thus, in this work, an MXene/Co3O4-CNT film interlayer that is capable of dual chemisorption to polysulfides with good mechanical strength and flame retardancy has been investigated. The resultant Li-S battery assembled with this interlayer exhibits a high discharge capacity of 1569.5 mA h g(-1), an excellent charge-discharge stability over 600 cycles, and a high temperature stability of the electrochemical performance. Published under an exclusive license by AIP Publishing.

引用

页数：7

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