DICP OpenIR
Subject Area物理化学
High specific capacity of TiO2-graphene nanocomposite as an anode material for lithium-ion batteries in an enlarged potential window
Cai, Dandan1; Lian, Peichao1; Zhu, Xuefeng2; Liang, Shuzhao1; Yang, Weishen2; Wang, Haihui1; HaihuiWang
KeywordGraphene Tio2 Nanocomposite Anode Material Lithium-ion Batteries
Source PublicationELECTROCHIMICA ACTA
2012-07-15
DOI10.1016/j.electacta.2012.03.170
Volume74Pages:65-72
Indexed BySCI
SubtypeArticle
Department5
Funding Project504
Contribution Rank2, 3
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectElectrochemistry
WOS Research AreaElectrochemistry
WOS KeywordSUPERIOR ELECTRODE PERFORMANCE ; ELECTROCHEMICAL PERFORMANCE ; CYCLING PERFORMANCE ; GRAPHENE NANOSHEETS ; TIO2 NANOCRYSTALS ; PARTICLE-SIZE ; LI STORAGE ; ANATASE ; NANOSTRUCTURES ; COMPOSITES
AbstractTiO2-graphene nanocomposite was first synthesized by a facile gas/liquid interface reaction. The structure and morphology were characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, and Brunauer-Emmett-Teller measurements. The results indicate that TiO2 nanoparticles (ca. 10 nm in mean grain size) were successfully deposited onto the graphene sheets during the gas/liquid interfacial reaction process. The electrochemical performance was evaluated by using coin-type cells versus metallic lithium in an enlarged potential window of 0.01-3.0 V. A high specific charge capacity of 499 mAh g(-1) was obtained at a current density of 100 mA g(-1). More strikingly, the TiO2-graphene nanocomposite exhibits excellent rate capability, even at a high current density of 3000 mA g(-1), the specific charge capacity was still as high as 150 mAh g(-1). The high specific charge capacities can be attributed to the facts that graphene possesses high electronic conductivity, and the lithium storage performance of graphene is delivered during discharge/charge processes of TiO2-graphene nanocomposite between 0.01 and 3.0 V. (C) 2012 Elsevier Ltd. All rights reserved.
Language英语
WOS IDWOS:000305373000010
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/117695
Collection中国科学院大连化学物理研究所
Corresponding AuthorHaihuiWang
Affiliation1.S China Univ Technol, Sch Chem & Chem Engn, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, State Key Lab Catalysis, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Cai, Dandan,Lian, Peichao,Zhu, Xuefeng,et al. High specific capacity of TiO2-graphene nanocomposite as an anode material for lithium-ion batteries in an enlarged potential window[J]. ELECTROCHIMICA ACTA,2012,74:65-72.
APA Cai, Dandan.,Lian, Peichao.,Zhu, Xuefeng.,Liang, Shuzhao.,Yang, Weishen.,...&HaihuiWang.(2012).High specific capacity of TiO2-graphene nanocomposite as an anode material for lithium-ion batteries in an enlarged potential window.ELECTROCHIMICA ACTA,74,65-72.
MLA Cai, Dandan,et al."High specific capacity of TiO2-graphene nanocomposite as an anode material for lithium-ion batteries in an enlarged potential window".ELECTROCHIMICA ACTA 74(2012):65-72.
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