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Mo2C Electrocatalysts for Kinetically Boosting Polysulfide Conversion in Quasi-Solid-State Lithium-Sulfur Batteries
Zhang, Yu-Jiao1; Xing, Zhen-Yu2; Wang, Wen-Peng3; Gao, Ning1; Zhao, Jie1; Yue, Wen-Ce1; Li, Xue1; Gao, Yi-Bo1; Xin, Sen3; Li, Bao4; Wang, Bao1
2021-09-29
Source PublicationACS APPLIED MATERIALS & INTERFACES
ISSN1944-8244
Volume13Issue:38Pages:45651-45660
AbstractLithium-sulfur batteries (LSBs) suffer from sluggish reaction kinetics of sulfur-containing species and loss of soluble polysulfides (PSs) during cycling, especially in the case of liquid electrolytes. Here, we improve the kinetics of sulfur species by decorating Mo2C nanoparticles on carbon nanotubes (CNTs) as the host for sulfur active mass. In addition, by use of gel polymer electrolytes (GPEs) derived from in situ polymerization of 1,3-dioxolane (DOL) to mitigate the diffusion of PSs and improve the stability of Li stripping/plating. As a result, the sulfur cathodes are endowed with enhanced initial specific capacity and suppressed dissolution of sulfur species. The cells with CNT/Mo2C/S cathodes and GPE exhibit excellent electrochemical performance. The anodes cycled with GPE show remarkably enhanced lithium plating-stripping behavior. Benefitting from the synergistic effect, LSBs with higher energy density and improved durability are obtained, demonstrating a new approach for developing high-performance quasi-solid-state Li metal batteries.
Keywordlithium-sulfur batteries sulfur host gel polymer electrolyte Mo2C nanocatalysts redox reaction kinetics
DOI10.1021/acsami.1c14629
Language英语
WOS KeywordLI-S BATTERIES ; PERFORMANCE ; CATHODE ; REDOX
Funding ProjectNational Key R&D Program of China[2019YFA0705700] ; National Natural Science Foundation of China[51772296] ; National Natural Science Foundation of China[21878195] ; National Natural Science Foundation of China[21805018] ; National Natural Science Foundation of China[21805198] ; National Natural Science Foundation of China[21975266] ; Foundation for State Key Laboratory of Biochemical Engineering
WOS Research AreaScience & Technology - Other Topics ; Materials Science
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary
Funding OrganizationNational Key R&D Program of China ; National Natural Science Foundation of China ; Foundation for State Key Laboratory of Biochemical Engineering
WOS IDWOS:000703995900051
PublisherAMER CHEMICAL SOC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/50530
Collection中国科学院过程工程研究所
Corresponding AuthorXin, Sen; Wang, Bao
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.South China Normal Univ, Sch Chem, Key Lab Theoret Chem Environm, Minist Educ, Guangzhou 510006, Peoples R China
3.Chinese Acad Sci, CAS Res Educ Ctr Excellence Mol Sci, Inst Chem, CAS Key Lab Mol Nanostruct & Nanotechnol,Beijing, Beijing 100190, Peoples R China
4.Henan Normal Univ, Sch Chem & Chem Engn, Xinxiang 453007, Henan, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Yu-Jiao,Xing, Zhen-Yu,Wang, Wen-Peng,et al. Mo2C Electrocatalysts for Kinetically Boosting Polysulfide Conversion in Quasi-Solid-State Lithium-Sulfur Batteries[J]. ACS APPLIED MATERIALS & INTERFACES,2021,13(38):45651-45660.
APA Zhang, Yu-Jiao.,Xing, Zhen-Yu.,Wang, Wen-Peng.,Gao, Ning.,Zhao, Jie.,...&Wang, Bao.(2021).Mo2C Electrocatalysts for Kinetically Boosting Polysulfide Conversion in Quasi-Solid-State Lithium-Sulfur Batteries.ACS APPLIED MATERIALS & INTERFACES,13(38),45651-45660.
MLA Zhang, Yu-Jiao,et al."Mo2C Electrocatalysts for Kinetically Boosting Polysulfide Conversion in Quasi-Solid-State Lithium-Sulfur Batteries".ACS APPLIED MATERIALS & INTERFACES 13.38(2021):45651-45660.
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