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An encapsulation-reduction-catalysis confined all-in-one microcapsule for lithium-sulfur batteries displaying a high capacity and stable temperature tolerance
Zhu, Mengfei1; Yang, Chaoyu2; Han, Tianli1; Hu, Chaoquan3,4; Wu, Yong1; Si, Ting2; Liu, Jinyun1
2021-04-27
Source PublicationMATERIALS CHEMISTRY FRONTIERS
Pages6
Abstract

Developing emerging host materials for constructing high energy-density lithium-sulfur (Li-S) batteries has received extensive attention. Herein, we develop a carbon nanotube (CNT)/S-infilled all-in-one microcapsule for Li-S batteries by catalytically growing CNTs using reduced Co3O4 nanoboxes inside a microcapsule. The encapsulation of Co3O4 nanoboxes into the microcapsule is achieved by using an oil-in-water emulsion. In the all-in-one microcapsule, the CNTs improve the conductivity, the microcapsule shell reduces the loss of polysulfides during cycling, and the void inside the microcapsule efficiently accommodates the volumetric change of sulfur. A Li-S battery based on the all-in-one microcapsule exhibits a high capacity of 1010 mA h g(-1) after 250 cycles and a coulombic efficiency of approximate to 99.8%. Moreover, the battery displays stable performance when cycling at temperatures of -5 degrees C and 45 degrees C, which indicates its good potential for practical applications.

DOI10.1039/d1qm00250c
Language英语
WOS KeywordOrganic Frameworks ; Performance ; Carbon ; Polysulfides ; Composites ; Cathode ; Architecture ; Separator ; Graphene ; Kinetics
Funding ProjectScience and Technology Major Project of Anhui Province[18030901093] ; Key Research and Development Program of Wuhu[2019YF07] ; National Natural Science Foundation of China[11722222] ; Youth Innovation Promotion Association of CAS[2018491]
WOS Research AreaChemistry ; Materials Science
WOS SubjectChemistry, Multidisciplinary ; Materials Science, Multidisciplinary
Funding OrganizationScience and Technology Major Project of Anhui Province ; Key Research and Development Program of Wuhu ; National Natural Science Foundation of China ; Youth Innovation Promotion Association of CAS
WOS IDWOS:000650207600001
PublisherROYAL SOC CHEMISTRY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/48643
Collection中国科学院过程工程研究所
Corresponding AuthorHu, Chaoquan; Si, Ting; Liu, Jinyun
Affiliation1.Anhui Normal Univ, Coll Chem & Mat Sci, Anhui Prov Engn Lab New Energy Vehicle Battery En, Wuhu 241002, Anhui, Peoples R China
2.Univ Sci & Technol China, Dept Modern Mech, Hefei 230026, Anhui, Peoples R China
3.Nanjing IPE Inst Green Mfg Ind, Nanjing 211100, Jiangsu, Peoples R China
4.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zhu, Mengfei,Yang, Chaoyu,Han, Tianli,et al. An encapsulation-reduction-catalysis confined all-in-one microcapsule for lithium-sulfur batteries displaying a high capacity and stable temperature tolerance[J]. MATERIALS CHEMISTRY FRONTIERS,2021:6.
APA Zhu, Mengfei.,Yang, Chaoyu.,Han, Tianli.,Hu, Chaoquan.,Wu, Yong.,...&Liu, Jinyun.(2021).An encapsulation-reduction-catalysis confined all-in-one microcapsule for lithium-sulfur batteries displaying a high capacity and stable temperature tolerance.MATERIALS CHEMISTRY FRONTIERS,6.
MLA Zhu, Mengfei,et al."An encapsulation-reduction-catalysis confined all-in-one microcapsule for lithium-sulfur batteries displaying a high capacity and stable temperature tolerance".MATERIALS CHEMISTRY FRONTIERS (2021):6.
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