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An in-situ solidification strategy to block polysulfides in Lithium-Sulfur batteries
Chen, Ke1,2; Fang, Ruopian3; Lian, Zan1,4; Zhang, Xiaoyin1,4; Tang, Pei1,4; Li, Bo1,4; He, Kuang1,4; Wang, Da-wei3; Cheng, Hui-Ming1,4,5; Sun, Zhenhua1,4; Li, Feng1,4
Corresponding AuthorSun, Zhenhua(zhsun@imr.ac.cn) ; Li, Feng(fli@imr.ac.cn)
2021-05-01
Source PublicationENERGY STORAGE MATERIALS
ISSN2405-8297
Volume37Pages:224-232
AbstractLithium-sulfur (Li-S) batteries have recently emerged as a promising candidate for next-generation energy storage systems. Yet the polysulfide dissolution and shuttle issues cause severe performance degradation, hindering their practical use. Here, we report an in-situ solidification strategy for efficient polysulfide blocking via nucleophilic substitution reactions triggered by 2, 5-dichloro-1, 4-benzoquinone (DCBQ) in the electrolyte. Polysulfides could be covalently fixed by DCBQ in the form of solid organosulfur to enable effective immobilization of polysulfides within the cathode, contributing to high capacity-retention. Moreover, the benzoquinonyl groups of DCBQ were found able to accelerate the lithium-ion transport and promote the sulfur redox reaction kinetics. Consequently, the Li-S cell with DCBQ exhibited good electrochemical performances. This approach demonstrates a novel avenue for polysulfide blocking to boost Li-S battery performance.
KeywordLithium-Sulfur battery Electrolyte additive Organosulfur Accelerating kinetic Polysulfide blocking
Funding OrganizationNational Natural Science Foundation of China ; National Key R&D Program of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Special Projects of the Central Government in Guidance of Local Science and Technology Development ; Liaoning Revitalization Talents Program ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; China Petrochemical Cooperation
DOI10.1016/j.ensm.2021.02.012
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[52020105010] ; National Natural Science Foundation of China[51972313] ; National Natural Science Foundation of China[51525206] ; National Natural Science Foundation of China[51927803] ; National Natural Science Foundation of China[52072378] ; National Key R&D Program of China[2016YFB0100100] ; National Key R&D Program of China[2016YFA0200102] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA22010602] ; Special Projects of the Central Government in Guidance of Local Science and Technology Development[2020JH6/10500024] ; Liaoning Revitalization Talents Program[XLYC1908015] ; Youth Innovation Promotion Association of the Chinese Academy of Sciences[Y201942] ; China Petrochemical Cooperation[218025]
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science
WOS SubjectChemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS IDWOS:000632779100009
PublisherELSEVIER
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/162060
Collection中国科学院金属研究所
Corresponding AuthorSun, Zhenhua; Li, Feng
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
2.Shanghai Tech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China
3.Univ New South Wales, Sch Chem Engn, Sydney, NSW 2052, Australia
4.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
5.Tsinghua Univ, Tsinghua Berkeley Shenzhen Inst, Shenzhen Geim Graphene Ctr, Shenzhen 518055, Peoples R China
Recommended Citation
GB/T 7714
Chen, Ke,Fang, Ruopian,Lian, Zan,et al. An in-situ solidification strategy to block polysulfides in Lithium-Sulfur batteries[J]. ENERGY STORAGE MATERIALS,2021,37:224-232.
APA Chen, Ke.,Fang, Ruopian.,Lian, Zan.,Zhang, Xiaoyin.,Tang, Pei.,...&Li, Feng.(2021).An in-situ solidification strategy to block polysulfides in Lithium-Sulfur batteries.ENERGY STORAGE MATERIALS,37,224-232.
MLA Chen, Ke,et al."An in-situ solidification strategy to block polysulfides in Lithium-Sulfur batteries".ENERGY STORAGE MATERIALS 37(2021):224-232.
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