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Aqueous Supramolecular Binder for a Lithium–Sulfur Battery with Flame-Retardant Property
Qiu, J.C.1; Wu, S.X.1; Yang, Y.1; Xiao, H.Y.1; Wei, X.J.1; Zhang, B.K.1; Hui, K.N.2; Lin, Z.1
2021-11
Source PublicationACS Applied Materials & Interfaces
Volume13Issue:46Pages:55092
Abstract

A lithium–sulfur (Li–S) battery based on multielectron chemical reactions is considered as a next-generation energy-storage device because of its ultrahigh energy density. However, practical application of a Li–S battery is limited by the large volume changes, insufficient ion conductivity, and undesired shuttle effect of its sulfur cathode. To address these issues, an aqueous supramolecular binder with multifunctions is developed by cross-linking sericin protein (SP) and phytic acid (PA). The combination of SP and PA allows one to control the volume change of the sulfur cathode, benefit soluble polysulfides absorbing, and facilitate transportation of Li+. Attributed to the above merits, a Li–S battery with the SP–PA binder exhibits a remarkable cycle performance improvement of 200% and 120% after 100 cycles at 0.2 C compared with Li–S batteries with PVDF and SP binders. In particular, the SP–PA binder in the electrode displays admirable flame-retardant performance due to formation of an isolating layer and the release of radicals.

KeywordAqueous, Supramolecular Binder, Sulfur Cathode, Lithium Sulfur Battery, Flame Retardancy
DOI10.1021/acsami.1c16650
URLView the original
Indexed BySCIE
WOS Research AreaScience & Technology - Other Topics ; Materials Science
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS IDWOS:000751884800044
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Cited Times [WOS]:7   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding AuthorWu, S.X.; Lin, Z.
Affiliation1.Guangzhou Key Laboratory of Clean Transportation Energy Chemistry, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China
2.Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macau SAR, China
Recommended Citation
GB/T 7714
Qiu, J.C.,Wu, S.X.,Yang, Y.,et al. Aqueous Supramolecular Binder for a Lithium–Sulfur Battery with Flame-Retardant Property[J]. ACS Applied Materials & Interfaces,2021,13(46):55092.
APA Qiu, J.C.,Wu, S.X.,Yang, Y.,Xiao, H.Y.,Wei, X.J.,Zhang, B.K.,Hui, K.N.,&Lin, Z..(2021).Aqueous Supramolecular Binder for a Lithium–Sulfur Battery with Flame-Retardant Property.ACS Applied Materials & Interfaces,13(46),55092.
MLA Qiu, J.C.,et al."Aqueous Supramolecular Binder for a Lithium–Sulfur Battery with Flame-Retardant Property".ACS Applied Materials & Interfaces 13.46(2021):55092.
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