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A Nanosheet Array of Cu2Se Intercalation Compound with Expanded Interlayer Space for Sodium Ion Storage
Xiao, Yuanhua1; Zhao, Xiaobing1; Wang, Xuezhao2; Su, Dangcheng1; Bai, Shuo3; Chen, Wei4,5; Fang, Shaoming1; Zhou, Liming1; Cheng, Hui-Ming3,6; Li, Feng3
Corresponding AuthorWang, Xuezhao(xzhwang126@126.com) ; Fang, Shaoming(mingfang@zzuli.edu.cn) ; Li, Feng(fli@imr.ac.cn)
2020-04-30
Source PublicationADVANCED ENERGY MATERIALS
ISSN1614-6832
Pages8
AbstractIntercalation chemistry/engineering has been widely investigated in the development of electrochemical energy storage. Graphite, as an old intercalation host, is receiving vigorous attention again via a new halogen intercalation. Whereas, exploiting new intercalation hosts and optimizing the intercalation effect still remains a great challenge. This study fabricates a Cu2Se intercalation compound showing expanded interlayer space and nanosheet array features by using a green growth approach, in which cetyltrimethyl ammonium bromide (CTAB) is inserted into Cu2Se at an ambient temperature. When acting as an electrode material for sodium-ion batteries, the Cu2Se-CTAB nanosheet arrays exhibit excellent discharge capacity and rate capability (426.0 mAh g(-1) at 0.1 A g(-1) and 238.1 mAh g(-1) at 30 A g(-1)), as well as high capacity retention of approximate to 90% at 20 A g(-1) after 6500 cycles. Benefiting from the porous array architecture, the transport of electrolytes is facilitated on the surface of Cu2Se nanosheets. In particular, the CTAB intercalated in the interlayer space of Cu2Se can increase its buffer space, stabilize the polyselenide shuttle, and prevent the fast growth of Cu nanoparticles during its electrochemical process.
KeywordCu2Se intercalation compounds nanoarrays sodium ion batteries
Funding OrganizationNational Natural Science Foundation of China ; International Postdoctoral Exchange Fellowship Program ; China Postdoctoral Science Foundation ; Program for Changjiang Scholars and Innovative Research Team in University of Ministry of Education of China ; Key Program of Henan Province for Science and Technology ; Singapore MOE
DOI10.1002/aenm.202000666
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[U1904190] ; National Natural Science Foundation of China[21501152] ; National Natural Science Foundation of China[U1704256] ; National Natural Science Foundation of China[21671178] ; National Natural Science Foundation of China[51525206] ; International Postdoctoral Exchange Fellowship Program[178352] ; China Postdoctoral Science Foundation[2017M611282] ; Program for Changjiang Scholars and Innovative Research Team in University of Ministry of Education of China[IRT15R61] ; Key Program of Henan Province for Science and Technology[182102210615] ; Singapore MOE[R143-000-A29-112]
WOS Research AreaChemistry ; Energy & Fuels ; Materials Science ; Physics
WOS SubjectChemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000529646100001
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/138709
Collection中国科学院金属研究所
Corresponding AuthorWang, Xuezhao; Fang, Shaoming; Li, Feng
Affiliation1.Zhengzhou Univ Light Ind, Key Lab Surface & Interface Sci & Technol, Zhengzhou 450002, Peoples R China
2.Zhengzhou Univ, Sch Chem Engn & Energy, Zhengzhou 450052, Henan, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
4.Natl Univ Singapore, Dept Chem, 3 Sci Dr 3, Singapore 117543, Singapore
5.Tianjin Univ, Joint Sch Natl Univ Singapore & Tianjin Univ, Int Campus, Fuzhou 350207, Peoples R China
6.Tsinghua Univ, Tsinghua Berkeley Shenzhen Inst, Shenzhen Geim Graphene Ctr, Shenzhen 518055, Peoples R China
Recommended Citation
GB/T 7714
Xiao, Yuanhua,Zhao, Xiaobing,Wang, Xuezhao,et al. A Nanosheet Array of Cu2Se Intercalation Compound with Expanded Interlayer Space for Sodium Ion Storage[J]. ADVANCED ENERGY MATERIALS,2020:8.
APA Xiao, Yuanhua.,Zhao, Xiaobing.,Wang, Xuezhao.,Su, Dangcheng.,Bai, Shuo.,...&Li, Feng.(2020).A Nanosheet Array of Cu2Se Intercalation Compound with Expanded Interlayer Space for Sodium Ion Storage.ADVANCED ENERGY MATERIALS,8.
MLA Xiao, Yuanhua,et al."A Nanosheet Array of Cu2Se Intercalation Compound with Expanded Interlayer Space for Sodium Ion Storage".ADVANCED ENERGY MATERIALS (2020):8.
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