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Facile Construction of Hierarchical TiNb2O7/rGO Nanoflower With Robust Charge Storage Properties for Li Ion Batteries via an Esterification Reaction
Hu, Lei1,2; Yang, Xulai3; Chen, Yumeng1; Wang, Lili1,2; Li, Jiajia2; Tang, Yujie2; Zhang, Haitao1,2
2021-11-29
Source PublicationFRONTIERS IN ENERGY RESEARCH
ISSN2296-598X
Volume9Pages:13
AbstractTiNb2O7 (TNO) compound has been pursued tremendously due to its high theoretical capacity, high potential, and excellent cycle stability. Unfortunately, an intrinsic low electronic and ionic conductivity feature has restricted its broad applications in electrochemical energy storage fields. Two-dimensional (2D) nanostructures can effectively shorten Li-ion transport path and enhance charge transfer. Here, hierarchical structure TNO was constructed by using ethanol and acetic acid as particularly important organic chemicals of basic raw materials via a simple solvothermal reaction. Ethanol was found to play a critical role in the formation of 2D sheet structure. Meantime, reduced graphene oxide nanosheets can effectively improve electronic conductivity. As-obtained TiNb2O7 were wrapped further by graphene oxide nanosheets through a flocculation process. Their unique structure is beneficial to the final electrochemical performance. This study not only provides a general approach for the design of novel 2D nanomaterials wrapped by graphene because of the advantage of esterification reaction and flocculation reaction, but also improves the electronic and ionic conductivity simultaneously.
KeywordTiNb2O7 esterification reaction two-dimensional sheet graphene li ion batteries
DOI10.3389/fenrg.2021.794527
Language英语
WOS KeywordHIGH-PERFORMANCE ANODE ; SUPERIOR PERFORMANCE ; LITHIUM STORAGE ; GRAPHENE OXIDE ; COMPOSITE ; CARBON ; MICROSPHERES ; NANOPARTICLES
Funding ProjectNational Key Research and Development Programof China[2019YFA0705601] ; National Natural Science Foundation of China[21878308] ; Key Science and Technology Special Project of Henan Province[202102210106] ; Zhengzhou Major Science and Technology Projects[2019CXZX0074] ; Key Program of Chinese Academy of Sciences[ZDRW_CN_2020-1]
WOS Research AreaEnergy & Fuels
WOS SubjectEnergy & Fuels
Funding OrganizationNational Key Research and Development Programof China ; National Natural Science Foundation of China ; Key Science and Technology Special Project of Henan Province ; Zhengzhou Major Science and Technology Projects ; Key Program of Chinese Academy of Sciences
WOS IDWOS:000731702100001
PublisherFRONTIERS MEDIA SA
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/51438
Collection中国科学院过程工程研究所
Corresponding AuthorYang, Xulai; Zhang, Haitao
Affiliation1.Hefei Univ, Sch Energy Mat & Chem Engn, Hefei, Peoples R China
2.Chinese Acad Sci, Beijing Key Lab Ion Liquids Clean Proc, CAS Key Lab Green Proc & Engn, Inst Proc Engn, Beijing, Peoples R China
3.Hefei Univ, Sch Adv Mfg Engn, Hefei, Peoples R China
Recommended Citation
GB/T 7714
Hu, Lei,Yang, Xulai,Chen, Yumeng,et al. Facile Construction of Hierarchical TiNb2O7/rGO Nanoflower With Robust Charge Storage Properties for Li Ion Batteries via an Esterification Reaction[J]. FRONTIERS IN ENERGY RESEARCH,2021,9:13.
APA Hu, Lei.,Yang, Xulai.,Chen, Yumeng.,Wang, Lili.,Li, Jiajia.,...&Zhang, Haitao.(2021).Facile Construction of Hierarchical TiNb2O7/rGO Nanoflower With Robust Charge Storage Properties for Li Ion Batteries via an Esterification Reaction.FRONTIERS IN ENERGY RESEARCH,9,13.
MLA Hu, Lei,et al."Facile Construction of Hierarchical TiNb2O7/rGO Nanoflower With Robust Charge Storage Properties for Li Ion Batteries via an Esterification Reaction".FRONTIERS IN ENERGY RESEARCH 9(2021):13.
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