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Synergistical heterointerface engineering of Fe-Se nanocomposite for high-performance sodium-ion hybrid capacitors

Rare Metals 2022年第7期41卷 2470-2480页

作者： Pu-Guang Ji Ying Liu Shuang-Bin Han Yu-Fu Yan oleg victorovich tolochko Eugene Strativnov Mirtemir Shodievich Kurbanov Hua Wang Cheng-Wei Zhang Gong-Kai Wang School of Materials Science&Engineering and Tianjin Key Laboratory of Materials Laminating Fabrication and Interface Control Technology Hebei University of TechnologyTianjin 300130China Institute of Machinery Materialsand TransportPeter the Great St.Petersburg Polytechnic UniversitySaint Petersburg 195251Russian Federation The Gas Institute of the National Academy of Sciences of Ukraine Kyiv 03113Ukraine Arifov Institute of Ion-Plasma and Laser Technologies Academy of Sciences of the Republic of UzbekistanTashkent 100125Uzbekistan School of Chemistry Beijing Advanced Innovation Center for Biomedical EngineeringBeihang UniversityBeijing 100191China

As environmentally benign and high-efficiency energy storage devices,sodium-ion capacitors(SICs),which combine the merits of batteries and supercapacitors,are considered to have potentially high energy/power densities and long ***,the lack of high-rate anodes that can match the high-power-density cathode hinders the commercial application of *** this work,heterostructured Fe/FeSe_(2)/Fe_(3)Se_(4)nanocomposite is pre-pared by chemical vapor deposition(CVD)method and investigated as the anode for *** heterointerface manipulation,Fe/FeSe_(2)/Fe_(3)Se_(4)demonstrates better sodium ion storage performances than the pure FeSe_(2)and FeSe_(2)/Fe_(3)Se_(4).It can deliver a specific capacity of 484.8 mAh·g^(-1)after 100 cycles at 0.5 A·g^(-1),as well as a good capacity *** excellent performance of Fe/FeSe_(2)/Fe_(3)Se_(4)nanocomposite can be ascribed to the synergistic effect of the heterointerface engineered components,where FeSe_(2)and Fe_(3)Se_(4) are responsible for offering a high capacity and metallic Fe can server as mini-current collectors,effec-tively accelerating the electron and charge transfer ***,the heterointerface significantly facilitates the sodium ion fast transport,and retards the structural variation during ***-1000//activated carbon(AC)SIC affords a high energy density of 112 Wh·kg^(-1)at 107.5 W·kg^(-1),its power density can achieve 10,750 W·kg^(-1)with remained energy density of 44.2 Wh·kg^(-1),as well as an outstanding cycling stability,demonstrating this effective heterointerface engineered anode strategy for high-performance SICs.

关键词： Sodium-ion hybrid capacitors Anode Heterostructure Fe/FeSe2/Fe3Se4 nanocomposite

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A review of CNTs and graphene reinforced YSZ nanocomposites:Preparation,mechanical and anti-irradiation properties

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Journal of Materials Science & Technology 2023年第36期167卷 27-49页

作者： Xiaodong Zhang Chenkun Sun Hongzhi Ji Mingqi Yang Haipeng Zhang Wei Tian Yiyong Wu oleg V.tolochko You Wang School of Materials Science and Engineering Harbin Institute of TechnologyHarbin 150001China No.703 Research Institute of China State Shipbuilding Company Limited Harbin 150078China Luoyang Bearing Science&Technology Co.Ltd. Luoyang 471039China AECC Sichuan Gas Turbine Establishment Chengdu 610500China Peter the Great Saint Petersburg Polytechnic University(SPbPU) Polytechicheskaya St.29Saint Petersburg 195251Russia

Yttria stabilized zirconia(YSZ)ceramics have been widely applied in areas of high-temperature thermal protection and nuclear radiation protection during the past *** carbon nanotubes(CNTs)and graphene are regarded as highly ideal reinforcements for YSZ ceramics due to their natural excellent ***,is still a controversial topic how to make YSZ composites obtain better performance after adding CNTs and *** particular,dispersion and sintering processes of CNTs and graphene in YSZ,are critical to the performance of the YSZ *** far,there is not a thorough analy-sis of the impact of CNTs and graphene on the mechanical characteristics and irradiation resistance of ***,this paper focuses on the dispersion methods and sintering technologies of CNTs/YSZ and graphene/YSZ nanocomposites,as well as the mechanical properties and anti-irradiation ***-thermore,the potential applications are also prospected for CNTs/YSZ and graphene/YSZ nanocomposites.

关键词： CNTs/YSZ Graphene/YSZ Dispersion methods Sintering technologies Mechanical properties Irradiation resistance

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长时间热退火对Ti-Ni-Cu合金条带马氏体相变行为的影响

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功能材料 2009年第10期40卷 1666-1669页

作者：何文军闵光辉奥列格.托罗辛科山东大学材料科学与工程学院山东济南250061 中国海洋大学材料科学与工程研究院山东青岛266100 圣彼得堡国立工业大学材料科学系俄罗斯圣彼得堡195251

采用快速凝固法制备了Ti53.5Ni22.8Cu23.7合金非晶薄带,研究了长时间热退火对合金条带马氏体相变行为的影响。结果表明,经450～500℃保温退火1～10h条带的相变热滞对保温时间不敏感,约为13～15℃,相变热在4～8J/g之间。随着保温时间延长... 详细信息

采用快速凝固法制备了Ti53.5Ni22.8Cu23.7合金非晶薄带,研究了长时间热退火对合金条带马氏体相变行为的影响。结果表明,经450～500℃保温退火1～10h条带的相变热滞对保温时间不敏感,约为13～15℃,相变热在4～8J/g之间。随着保温时间延长,500℃退火下的条带相变峰值温度移向高温区而450℃退火下则移向低温区。条带在低于晶化温度的400℃保温10h后晶化程度显著提高,体现出明确的马氏体相变,其相变热滞为13.9℃。合金条带在400℃退火10h形成具有织构(001)的TiCu-B11析出物和Ti2Cu型析出物,在450～500℃退火形成Ti2Cu型析出物。长时间退火下的条带相变特征的差异与退火条带的织构、析出物类型及析出物改变合金基体相的化学成分有关。

关键词：快速凝固 Ti—Ni—Cu合金马氏体相变析出物

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New Hybrid Copper Composite Materials Based on Carbon Nanostructures

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材料科学与工程（中英文B版） 2012年第4期2卷 240-246页

作者： Tatyana S. Koltsova Larisa I. Nasibulina Ilya V. Anoshkin Vasily V. Mishin Esko I. Kauppinen oleg V.tolochko Albert G. Nasibulin Material Science Faculty Saint-Petersburg State Polytechnical University Polytechnicheskaya 29 195251 Saint-PetersburgRussia NanoMaterials Group Department of Applied Physics Aalto University School of Science and Technology P.O. Box 15100Puumiehenkuja 2 FIN-02150 Espoo Finland

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