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Water-Soluble Trifunctional Binder for Sulfur Cathodes for Lithium-Sulfur Battery
Yang, Yajun1; Qiu, Juncheng1; Cai, Lei1; Liu, Canbin1; Wu, Shuxing1; Wei, Xiujuan1; Luo, Dong1; Zhang, Bingkai1; Yang, Xulai2; Hui, Kwun Nam3; Liu, Jing4; Lin, Zhan1
Source PublicationACS Applied Materials and Interfaces

Conventional polymer binder in a lithium-sulfur (Li-S) battery, poly(vinylidene fluoride) (PVDF), suffers from insufficient ion conductivity, poor polysulfide-trapping ability, weak mechanical property, and requirement of organic solvents, which significantly encumber the industrial application of Li-S battery. Herein, a water-soluble binder with trifunctions, covalently cross-linked quaternary ammonium cationic starch (c-QACS), is developed to confront these issues. Similar to the poly(ethylene oxide) solid electrolytes, the c-QACS binder remarkably improves Li+ ion transfer capacity. The abundant O actives endow the c-QACS binder with admirable lithium polysulfide-trapping capability to retard the shuttle effect. In addition, the formed 3D network effectively maintains the electrode integrity during cycling. Benefiting from the above merits, the sulfur cathode with the c-QACS binder demonstrates a performance improvement of 300 and 150% compared with sulfur cathode with PVDF and bulk QACS binder after 100 cycles at 0.2C.

KeywordCross-link Lithium-sulfur Battery Multifunctional Binder Sulfur Cathode Water-soluble
URLView the original
Indexed BySCIE
WOS Research AreaScience & Technology - Other Topics ; Materials Science
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS IDWOS:000677540900043
Scopus ID2-s2.0-85111192996
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Cited Times [WOS]:8   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
Corresponding AuthorWu, Shuxing; Yang, Xulai; Lin, Zhan
Affiliation1.Guangzhou Key Laboratory of Clean Transportation Energy Chemistry, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, China
2.School of Advanced Manufacturing Engineering, Hefei University, Hefei, 230601, China
3.Institute of Applied Physics and Materials Engineering, University of Macau, Taipa, Avenida da Universidade, Macau SAR, 999078, Macao
4.State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan, 430074, China
Recommended Citation
GB/T 7714
Yang, Yajun,Qiu, Juncheng,Cai, Lei,et al. Water-Soluble Trifunctional Binder for Sulfur Cathodes for Lithium-Sulfur Battery[J]. ACS Applied Materials and Interfaces,2021,13(28):33066-33074.
APA Yang, Yajun,Qiu, Juncheng,Cai, Lei,Liu, Canbin,Wu, Shuxing,Wei, Xiujuan,Luo, Dong,Zhang, Bingkai,Yang, Xulai,Hui, Kwun Nam,Liu, Jing,&Lin, Zhan.(2021).Water-Soluble Trifunctional Binder for Sulfur Cathodes for Lithium-Sulfur Battery.ACS Applied Materials and Interfaces,13(28),33066-33074.
MLA Yang, Yajun,et al."Water-Soluble Trifunctional Binder for Sulfur Cathodes for Lithium-Sulfur Battery".ACS Applied Materials and Interfaces 13.28(2021):33066-33074.
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