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Fabrication of nanoarchitectured TiO2(B)@C/rGO electrode for 4 V quasi-solid-state nanohybrid supercapacitors
Zhao, Yongfeng1,2; Zhang, Haitao1,2,3,5; Liu, Ao1; Jiao, Yuzhi1; Shim, Jae-Jin4; Zhang, Suojiang1,3

Novel TiO2(B)@C/rGO nanoarchitectures are fabricated by combining hydrothermal treatment, ions exchange, and topological phase transformation as well as carbon modification. Asymmetric hybrid Li-ion nanohybrids supercapacitors with high energy and power densities are constructed by combining hybridized anode, which can supply both pseudo capacitance from TiO2(B) and electrochemical double layer capacitance (EDLC) from nanocarbons (graphene nanosheets and amorphous carbon layer), and activated carbon (AC) as EDLC type cathode. The high power density is realized readily via both the modification of nanocarbons, which not only improve the electric conductivity but introduce extra Faradic capacitance, and the employment of high-voltage formulated ionic liquids electrolyte as well as ionogel polymer separator. Such a balanceable and complementary design between electrode and electrolyte allow rapid ion and electron transport in ionic liquid-based electrolyte and hybridized electrodes. The maximum energy and power density of 59.4 W h/kg and 17.3 kW/kg can be readily realized at 40 degrees C on account of the special characteristic of ionic liquids. These results clearly demonstrate that high performance nanohybrid supercapacitors can be actualized through the subtle combination of nanohybridized electrodes and high voltage formulated ionic-liquid/lithium-salt electrolytes, which make them promising power-type energy storage devices for hybrid electric vehicles. (c) 2017 Elsevier Ltd. All rights reserved.

KeywordNanohybrid Supercapacitors Nanoarchitectures Polymer Separator Ionic Liquid Electrolyte Solid State Supercapacitor
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
WOS KeywordLithium-ion Batteries ; Electrochemical Energy-storage ; High-performance ; Hybrid Supercapacitors ; Negative Electrode ; Tio2-b Nanowires ; Anode Materials ; X-ray ; Tio2(b) ; Insertion
WOS Research AreaElectrochemistry
WOS SubjectElectrochemistry
Funding OrganizationNational Basic Research Program of China (973 program)(2014CB239701) ; International Cooperation and Exchange of the National Natural Science Foundation of China(51561145020)
WOS IDWOS:000418324800039
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Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorZhang, Haitao; Zhang, Suojiang
Affiliation1.Chinese Acad Sci, Beijing Key Lab Ion Liquids Clean Proc, Key Lab Green Proc & Engn, State Key Lab Multiphase Complex Syst,Inst Proc E, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Chem Engn, Beijing 100049, Peoples R China
3.Zhengzhou Inst Emerging Ind Technol, Zhengzhou 450045, Henan, Peoples R China
4.Yeungnam Univ, Sch Chem Engn, Gyongsan 38541, Gyeongbuk, South Korea
5.Hefei Univ, Dept Chem & Mat Engn, Hefei 230601, Anhui, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Yongfeng,Zhang, Haitao,Liu, Ao,et al. Fabrication of nanoarchitectured TiO2(B)@C/rGO electrode for 4 V quasi-solid-state nanohybrid supercapacitors[J]. ELECTROCHIMICA ACTA,2017,258(00):343-352.
APA Zhao, Yongfeng,Zhang, Haitao,Liu, Ao,Jiao, Yuzhi,Shim, Jae-Jin,&Zhang, Suojiang.(2017).Fabrication of nanoarchitectured TiO2(B)@C/rGO electrode for 4 V quasi-solid-state nanohybrid supercapacitors.ELECTROCHIMICA ACTA,258(00),343-352.
MLA Zhao, Yongfeng,et al."Fabrication of nanoarchitectured TiO2(B)@C/rGO electrode for 4 V quasi-solid-state nanohybrid supercapacitors".ELECTROCHIMICA ACTA 258.00(2017):343-352.
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