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Journal articles on the topic 'Vanadium pentoxide powder'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Ning, An Gang, Hua Nan Ding, Jian Jun Ma, and Han Jie Guo. "The Process Research on VN-Making which Deploy Vanadium Pentoxide Powder, Graphite and Carbon Black in the Lab." Advanced Materials Research 668 (March 2013): 115–19. http://dx.doi.org/10.4028/www.scientific.net/amr.668.115.

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This paragraph deploys high temperature non-vacuum methods, and vanadium pentoxide powder, carbon black and graphite is used to make VN. The result shows that the particle sizes of these three raw materials vary greatly. When they are mixed with a certain proportion, the kinetics condition of reaction is greatly improved. when the vanadium pentoxide powder enters agglomeration level(1490°C) after it has been reduced and nitrided, agglomeration time has small effect on the reaction process and chemical composition of product. On the contrary，if the agglomeration time lasts too long, it will gen

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2

Gao, Shaokang, Yuzhen Chen, Haiyan Luo, et al. "Single-Crystal Vanadium Pentoxide Nanowires." Journal of Nanoscience and Nanotechnology 8, no. 7 (2008): 3500–3503. http://dx.doi.org/10.1166/jnn.2008.137.

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Single-crystal V2O5 nanowires were successfully synthesized from the starting materials V6O13 powder and water. The experimental results indicate that high purity nanowires can be obtained using this simple synthetic route in absence of templates or catalysts. The diameter of the nanowires was found to be ca. 20∼60 nm and the length up to several tens of micrometers, and the phases of nanowires were determined by XRD and TEM measurements.

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3

В.Г., ШЕВЧЕНКО, КРАСИЛЬНИКОВ В.Н., ЕСЕЛЕВИЧ Д.А., КОНЮКОВА А.В. та РЕЗНИЦКИХ О.Г. "ОКИСЛЕНИЕ БОРА, МОДИФИЦИРОВАННОГО ПЕНТОКСИДОМ ВАНАДИЯ". Физика горения и взрыва 60, № 5 (2024): 59–66. http://dx.doi.org/10.15372/fgv2023.9344.

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Методами термогравиметрии, дифференциальной сканирующей калориметрии, рентгенофазового анализа и электронной микроскопии исследованы особенности окисления порошков аморфного бора, модифицированных пентоксидом ванадия. Модифицирование осуществляли путем смешения порошков с ванадийсодержащими гелями — гидрогелем состава V2O5 · nH2O и олеогелем состава V(OCH2)2 · n(HOCH2)2. Установлено, что добавление к порошку аморфного бора 2 % (мас.) V2O5 на 200 °C снижает температуру начала его интенсивного окисления и на 25 % повышает удельное тепловыделение в процессе взаимодействия при нагревании на воздух

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Mahajan, M., K. Singh, and O. P. Pandey. "Synthesis and Analysis of High Surface Area Vanadium Carbide Nanoparticles." Advanced Materials Research 585 (November 2012): 95–99. http://dx.doi.org/10.4028/www.scientific.net/amr.585.95.

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Vanadium carbide is known for its applications due to extreme hardness and high melting point. In this present work, vanadium carbide nanoparticles have been synthesized in a specially designed stainless steel autoclave by solvothermal route using vanadium pentoxide (V2O5) as precursor along with a hydrocarbon acetone (C3H6O) in the presence of reducing agent magnesium (Mg). The optimization of reaction time was studied at constant temperature of 800oC. The product powder was characterized by X-ray diffraction (XRD), Scanning electron microscopy (SEM), Transmission electron microscope (TEM) an

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5

Taqi Feili, Na eem. "Preparation and formulation of bird repellent pesticide." Tikrit Journal of Pharmaceutical Sciences 2, no. 2 (2023): 85–89. http://dx.doi.org/10.25130/tjphs.2006.2.2.85.89.

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ln this research, Anthraquinone was prepared from the oxidation of anthracene (obtained from coal tar) by sodium perchlorate in presence of vanadium pentoxide as a catalyst in a good yield and high purity. Anthraquinone was formulated as a wettable powder (w.p.) to prepare a bird repellent pesticide> which leave no toxic residue in crop plants.

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6

Ryabina, A. V., and V. G. Shevchenko. "Adsorption Properties of an Aluminum Powder Modified with Vanadium Pentoxide." Russian Journal of Physical Chemistry A 92, no. 11 (2018): 2302–8. http://dx.doi.org/10.1134/s0036024418110341.

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7

Sayyad, M. H., K. ul Hasan, M. Saleem, et al. "Electrical Properties of Poly-N-Epoxypropylcarbazole/Vanadium Pentoxide Composite." Eurasian Chemico-Technological Journal 9, no. 1 (2007): 57–61. https://doi.org/10.18321/ectj255.

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In the present work the electrical properties of poly-N-epoxypropylcarbazole (PEPC) and vanadium pentoxide (V2O5) composite have been studied. The composite was formed by mixing of PEPC solution in benzene with V2O5 powder and stirring at room temperature. The composite solution was deposited on a dielectric substrate with copper electrodes and the Cu/PEPC-V2O5/Cu surface type film samples were fabricated. The Cu/V2O5/Cu samples were used as a reference where the films were deposited from the mixture of V2O5 powder in distilled water. Resistance-temperature relationship and voltage-current cha

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8

Zhang, Juhua, Wei Zhang, and Zhengliang Xue. "An Environment-Friendly Process Featuring Calcified Roasting and Precipitation Purification to Prepare Vanadium Pentoxide from the Converter Vanadium Slag." Metals 9, no. 1 (2018): 21. http://dx.doi.org/10.3390/met9010021.

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Converter vanadium slag is a byproduct of the iron making process when the vanadium titanomagnetite is used as iron raw material. A cleaner process including calcified roasting, dilute acid leaching, precipitation purification, vanadium precipitation with ammonium salt, followed by thermal decomposition was proposed to extract vanadium resource from this slag. And then vanadium pentoxide with purity over 98% was prepared, which can be used as additives for high strength low alloy steel production. A total vanadium recovery beyond 80% was achieved in this whole process. Since no sodium and pota

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9

Bondarenka, Vladimiras, and R. Sereika. "XPS Study of Sol-Gel Synthesized Vanadium-Titanium-Hydroquinone Oxide Bronze Films." International Letters of Chemistry, Physics and Astronomy 54 (July 2015): 201–7. http://dx.doi.org/10.18052/www.scipress.com/ilcpa.54.201.

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Vanadium-titanium-hydroquinone oxide bronze, V1.67Ti0.33O5±δ /HQ (HQ-hydroquinone), was synthesized by using the sol–gel method. Vanadium pentoxide powder, titanium dihydride, hydrogen peroxide and hydroquinone were used as the starting materials to produce bronze. The composition of the synthesized compound was compared with V1.67Ti0.33O5±δ∙nH2O/HQ xerogel data. The xerogel and bronze were investigated by means of the XPS method. Analysis of the V–O region of XPS spectra showed that vanadium ions in xerogel ocurr in V5+ and V4+ states. In bronze, these ions are in a stable V5+ state. The oxyg

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Bondarenka, Vladimiras, and R. Sereika. "XPS Study of Sol-Gel Synthesized Vanadium-Titanium-Hydroquinone Oxide Bronze Films." International Letters of Chemistry, Physics and Astronomy 54 (July 3, 2015): 201–7. http://dx.doi.org/10.56431/p-7wv7ep.

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Vanadium-titanium-hydroquinone oxide bronze, V1.67Ti0.33O5±δ /HQ (HQ-hydroquinone), was synthesized by using the sol–gel method. Vanadium pentoxide powder, titanium dihydride, hydrogen peroxide and hydroquinone were used as the starting materials to produce bronze. The composition of the synthesized compound was compared with V1.67Ti0.33O5±δ∙nH2O/HQ xerogel data. The xerogel and bronze were investigated by means of the XPS method. Analysis of the V–O region of XPS spectra showed that vanadium ions in xerogel ocurr in V5+ and V4+ states. In bronze, these ions are in a stable V5+ state. The oxyg

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Legrouri, A. "Preparation and characterisation of vanadium pentoxide supported rhodium catalyst." Proceedings, annual meeting, Electron Microscopy Society of America 46 (1988): 946–47. http://dx.doi.org/10.1017/s042482010010679x.

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The industrial importance of metal catalysts supported on reducible oxides has stimulated considerable interest during the last few years. This presentation reports on the study of the physicochemical properties of metallic rhodium supported on vanadium pentoxide (Rh/V2O5). Electron optical methods, in conjunction with other techniques, were used to characterise the catalyst before its use in the hydrogenolysis of butane; a reaction for which Rh metal is known to be among the most active catalysts.V2O5 powder was prepared by thermal decomposition of high purity ammonium metavanadate in air at

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12

Hien, Vu Xuan, Dang Duc Nhat, Nguyen Thanh Nghi, et al. "From vanadium powder to vanadium pentoxide rolled-up nanosheets: Hydrothermal synthesis and its ethanol sensing properties." Materials Science in Semiconductor Processing 126 (May 2021): 105670. http://dx.doi.org/10.1016/j.mssp.2021.105670.

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13

TOYA, Tadao, Kazuo FUKUDA, Mitsutoshi TAKAYA, and Heihachiro ARITO. "Lung Lesions Induced by Intratracheal Instillation of Vanadium Pentoxide Powder in Rats." INDUSTRIAL HEALTH 39, no. 1 (2001): 8–15. http://dx.doi.org/10.2486/indhealth.39.8.

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14

Filonenko, V. P., M. Sundberg, P. E. Werner та I. P. Zibrov. "Structure of a high-pressure phase of vanadium pentoxide, β-V2O5". Acta Crystallographica Section B Structural Science 60, № 4 (2004): 375–81. http://dx.doi.org/10.1107/s0108768104012881.

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A high-pressure phase of vanadium pentoxide, denoted β-V2O5, has been prepared at P = 6.0 GPa and T = 1073 K. The crystal structure of β-V2O5 has been studied by X-ray and neutron powder diffraction, and high-resolution transmission electron microscopy. The V atoms are six-coordinated within distorted VO6 octahedra. The structure is built up of quadruple units of edge-sharing VO6 octahedra linked by sharing edges along [010] and mutually connected by sharing corners along [001]. This arrangement forms layers of V4O10 composition in planes parallel to (100). The layers are mutually held togethe

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15

Zouridi, Leila, Emmanouil Gagaoudakis, Eleni Mantsiou, et al. "The Effect of Additives on the Hydrothermal Synthesis and Thermochromic Performance of Monoclinic Vanadium Dioxide Powder." Oxygen 2, no. 4 (2022): 410–23. http://dx.doi.org/10.3390/oxygen2040028.

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Monoclinic vanadium dioxide VO2(M) is a well-known thermochromic material, with its critical transition temperature (68 °C) being the closest to room temperature (RT). Among the variety of grown methods, hydrothermal synthesis is a simple and cost-effective technique to grow thermochromic VO2 in the form of powder. In the present work, VO2 nanoparticles were prepared by hydrothermal synthesis in mild conditions, followed by a thermal annealing process at 700 °C under nitrogen flow for two hours. Vanadium pentoxide (V2O5) was used as the vanadium precursor, while two different reducing agents,

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16

Zargar, Rayees Ahmad, Manju Arora, Masroor Ahmad, and Aurangzeb Khurram Hafiz. "Synthesis and Characterization of Vanadium Doped Zinc Oxide Thick Film for Chemical Sensor Application." Journal of Materials 2015 (October 26, 2015): 1–6. http://dx.doi.org/10.1155/2015/196545.

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Zinc oxide and vanadium pentoxide nanoparticles derived by chemical coprecipitation route were used to cast Zn0.96V0.04O thick film by screen printing method. The structural, morphological, optical, and electrical properties of the film were characterized by powder XRD, SEM, Raman, UV-VIS, and DC conductivity techniques. XRD pattern, SEM image, and Raman spectrum of the film confirm the single phase formation of Wurtzite structure with preferential orientation along [101] plane, minor variation in lattice parameters, and vanadium ions substitution at zinc sites. Zn0.96V0.04O pellet has been us

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Chatterjee, Partha, S. P. Sen Gupta, and Suchitra Sen. "Microstructural transformation of vanadium pentoxide powder obtained by high-energy vibrational ball-milling." Journal of Applied Crystallography 34, no. 3 (2001): 381–85. http://dx.doi.org/10.1107/s0021889801004009.

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An X-ray powder profile analysis of vanadium pentoxide powder milled in a high-energy vibrational ball-mill is presented. The strain- and size-induced broadening of the Bragg reflection for two different crystallographic directions ([001] and [100]) were determined by Warren–Averbach (WA) analysis, using a pattern-decomposition method assuming a pseudo-Voigt function. The deformation process causes a decrease in the domain size, and a near isotropic saturation value of ∼10 nm is reached after severe milling. The initial stages of milling produce a propensity for size broadening, whereas, with

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18

Shevchenko, V. G., D. A. Eselevich, and A. V. Konyukova. "Features of Selective Laser Melting of Aluminum Powder Modified with Vanadium Pentoxide Gel." Protection of Metals and Physical Chemistry of Surfaces 59, no. 4 (2023): 595–99. http://dx.doi.org/10.1134/s2070205123700831.

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Sridhar, Chakradhar, Nagesh Gunvanthrao Yernale, and M. V. N. Ambika Prasad. "Synthesis, Spectral Characterization, and Antibacterial and Antifungal Studies of PANI/V2O5Nanocomposites." International Journal of Chemical Engineering 2016 (2016): 1–6. http://dx.doi.org/10.1155/2016/3479248.

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The present study deals with the synthesis and characterization of nanocrystalline vanadium pentoxide (V2O5) nanoparticles and their antibacterial and antifungal activity onStaphylococcus aureus and Aspergillus niger, respectively, by agar diffusion method. The metal oxide has been synthesized by employing the sol-gel method, polyaniline (PANI) has been synthesized by chemical oxidation, and PANI/V2O5composites have been synthesized byin situpolymerization method with different ratios (10, 20, 30, 40, and 50 weight%) of V2O5in PANI. The newly prepared composites were characterized by FTIR and

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V.G., Shevchenko, Eselevich D.A., Popov N.A., Kuznetsov D.K., and Shur V.Ya. "Investigation of the surface morphology of ASD-4 powder, modified by V2O5." International Journal of Engineering Research & Science 4, no. 4 (2018): 18–23. https://doi.org/10.5281/zenodo.1238748.

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<strong><em>Abstract</em></strong><strong>—</strong> <em>The changes in the surface layer of aluminum particles treated with V2O5 • nH2O hydrogel were studied by ellipsometry and raster electron microscopy methods. It was shown that at 0.8 wt.% content of metallic vanadium in the modified powder, the particle surface layer has a well developed relief, and a high degree of impregnation is achieved. The values of the thickness of this layer measured by different methods were compared, and the obtained deviations were analyzed.</em>

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21

LUNGU, MAGDALENA-VALENTINA, ALINA CARAMITU, MIHAI MARIN, et al. "PERFORMANCE OF ZINC OXIDE-VANADIUM PENTOXIDE VARISTORS IN MEDIUM VOLTAGE SURGE ARRESTERS." REVUE ROUMAINE DES SCIENCES TECHNIQUES — SÉRIE ÉLECTROTECHNIQUE ET ÉNERGÉTIQUE 69, no. 2 (2024): 183–88. http://dx.doi.org/10.59277/rrst-ee.2024.2.11.

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Metal oxide varistor (MOV) discs (Ø28 mm × 12 mm) made of 97.5 mol.% zinc oxide (ZnO), and 0.5 mol.% each of vanadium pentoxide (V2O5), tin (IV) oxide (SnO2), antimony(III) oxide (Sb2O3), cobalt(II, III) oxide (Co3O4), and chromium(III) oxide (Cr2O3) additives were produced using powder metallurgy. The obtained MOVs were polycrystalline with high density. This study focused on analyzing the microstructure and mechanical and electrical properties of the MOVs. The developed MOVs had a fine-grained microstructure with an average ZnO grain size of about 10 μm. The Ag-coated MOV discs tested in a r

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Aly, S. A. "Effect of Post-Deposition Annealing on some Optical Properties of Thermally-Evaporated V₂O₅ Thin Film." Defect and Diffusion Forum 329 (July 2012): 139–45. http://dx.doi.org/10.4028/www.scientific.net/ddf.329.139.

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A Vanadium Pentoxide Sample with a Film Thickness of 75 Nm Has Been Thermally Evaporated on Unheated Glass Substrate Using V2O5High Purity Powder. the Sample Was Subjected to a Subsequent Post-Deposition Annealing in Air at Different Temperatures for a Period of One Hour. the Optical Properties Were Studied by Transmittance and Reflectance Measurements. the Integrated Visible ,TVis, and Solar, TSol, Transmittance Were Calculated. the Spectral Behaviour of the Refractive Index as Well as the Absorption Coefficient before and after Post-Deposition Heat-Treatment Was Also Reported. X-Ray Diffract

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Zhao, Chunxia, Yanbao Song, Yunxia Yang, Wen Chen, Xiaoyu Li, and Zongsheng Wang. "Preparation and UV–Vis photodegradation of gaseous benzene by TiO2 nanotube arrays supporting V2O5 nanoparticles." Functional Materials Letters 08, no. 06 (2015): 1550071. http://dx.doi.org/10.1142/s179360471550071x.

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TiO 2-based catalysts effective in visible radiation for eliminating organic pollutants have attracted intense research activity as a future generation photocatalytic material. However, recombination of electron–hole pairs through trapping/de-trapping as well as the disadvantages of recycling and separation/filtration of powders lead to the limitation of powder TiO 2 materials. TiO 2 nanotube array films supporting vanadium pentoxide nanoparticles (VTNTs) were synthesized by electrophoresis deposition method with the prepared TiO 2 nanotube arrays as the cathode and V 2 O 5 sol as the electrol

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Hendriana, Dena, Mochamad Hamdan Aziz, Yohanes Acep Nanang Kardana, Muhamad Lutfi Rachmat, Gembong Baskoro, and Henry Nasution. "Self-Discharging and Corrosion Problems in Vanadium Redox Flow Battery." Reaktor 22, no. 3 (2023): 77–85. http://dx.doi.org/10.14710/reaktor.22.3.77-85.

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Vanadium redox flow battery (VRFB) has a potential for large energy storage system due to its independence of energy capacity and power generation. VRFB is known to have challenges of high price, corrosion problem and lower energy efficiency. In this work, VRFB prototype with all components from existing parts sold in the market has been assembled and tested. Estimated electrochemical reactions are discussed for initial charging process with Vanadium Pentoxide powder as initial state to obtain fully charged battery state with V2+ ion in anolyte and VO2 + ion in catholyte. Material corrosion te

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Li, Liang, Lanfeng Li, Guofeng Zhang, et al. "Hot Corrosion Behavior of Inconel 625 in Na2SO4 and V2O5 Molten Salt System." Metals 13, no. 6 (2023): 1069. http://dx.doi.org/10.3390/met13061069.

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This study aimed to examine the corrosion behavior of Inconel 625 in a molten salt system of sodium sulfate and vanadium pentoxide at varying temperatures and durations. The corrosion products, microstructure, and element distribution of hot extruded Inconel in Na2SO4 and V2O5 molten salt systems were analyzed using X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy-dispersive spectroscopy (EDS) analyses. This study demonstrates that corrosion of the alloy increases with time at a constant temperature. During the initial stage of corrosion, the surface of the alloy is prim

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Dhayal Raj, A., D. Mangalaraj, N. Ponpandian, and Junsin Yi. "Gas Sensing Properties of Chemically Synthesized V₂O₅ Thin Films." Advanced Materials Research 123-125 (August 2010): 683–86. http://dx.doi.org/10.4028/www.scientific.net/amr.123-125.683.

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Nanostructured vanadium pentoxide films have been synthesized by using a sol–gel technology from V2O5 powder and hydrogen peroxide. The V2O5 powder was dissolved in hydrogen peroxide solution, agitated and heated up to 65oC to form gel by the dissociation of the peroxide complexes. The obtained gel was deposited by dip coating technique and dried in air at room temperature. Structural, morphological and compositional analyses were carried out on the prepared samples using X-Ray Diffractometer (XRD), Raman spectrometer and scanning electron microscopy (SEM). The as-prepared films show an amorph

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MOHAMMADZADEH, R. S., and F. E. GHODSI. "CORRELATION BETWEEN WATER-BATH TEMPERATURE, SOLUTION VISCOSITY AND OPTICAL PROPERTIES OF SOL–GEL DERIVED V2O5 THIN FILMS." International Journal of Modern Physics B 25, no. 02 (2011): 283–92. http://dx.doi.org/10.1142/s0217979211054665.

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Thin films of V 2 O 5 were deposited on glass substrates by dip-coating technique using sol–gel route. The vanadium pentoxide sol was prepared by dissolving V 2 O 5 powder in H 2 O 2 solution. The solutions were kept in water bath and heated at five different temperatures for 30 min. The samples were annealed at 150°C for 60 min. The optical, structural, and morphological measurements were performed for characterization of samples. The effect of viscosity on optical constants (n, k, and Eg) of V 2 O 5 were studied. The indirect optical band gap energy of sol–gel V 2 O 5 thin films are about 2.

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Jyothibasu, Jincy, Ming-Zhu Chen, You-Ching Tien, et al. "V2O5/Carbon Nanotube/Polypyrrole Based Freestanding Negative Electrodes for High-Performance Supercapacitors." Catalysts 11, no. 8 (2021): 980. http://dx.doi.org/10.3390/catal11080980.

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In this study, the vanadium pentoxide (V2O5), functionalized carbon nanotubes (f-CNT), and polypyrrole (PPy) based composites films have been prepared through a facile synthesis method and their electrochemical performance were evaluated as freestanding negative electrodes of supercapacitor. A hydrous V2O5 gel prepared by treating V2O5 powder with H2O2 was mixed with f-CNT to obtain V2O5/f-CNT composite film. V2O5/f-CNT composite was then coated with PPy through vapor phase polymerization method. The PPy deposited on the V2O5/f-CNT prevented the dissolution of V2O5 and thus resulted in an impr

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S, Reshma Chandran, Kavitha E, and Andal C. "Influences of Organic Dye Molecules in Novel OLED Applications of V2O5 Molecules." Indian Journal of Science and Technology 16, no. 43 (2023): 3884–89. https://doi.org/10.17485/IJST/v16i43.2311.

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Abstract <strong>Background/Objectives:</strong> The synthesis process of Vanadium Pentoxide (V2O5) with organic dyes like acid blue and acid yellow molecules was carried out utilizing the simple precipitation procedure with distilled water as the solvent. To understand more about the composition of the materials, the required characteristics were done on the synthesized samples. <strong>Methods:</strong> Initially, Powder X-ray diffraction (PXRD) investigation was done on the samples to analyze their amorphous nature. The Images from the Scanning Electron Microscope (SEM) revea

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Kolomiiets, D., M. Pasichnyy, and Ya Korol. "CORRELATIONS BETWEEN THE KINETICS OF STRUCTURAL TRANSFORMATIONS AND PHYSICOCHEMICAL CHARACTERISTICS OF THE SUSPENSION DURING THE HYDROMECHANICAL SYNTHESIS OF VANADIUM PENTOXIDE NANOBELTS." Cherkasy University Bulletin: Physical and Mathematical Sciences, no. 1 (2023): 15–24. https://doi.org/10.31651/2076-5851-2023-15-24.

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This study investigates the correlations between the kinetics of structural transformations and the physicochemical characteristics of suspensions during the hydromechanical synthesis of vanadium pentoxide (V₂O₅) nanobelts. One-dimensional nanostructures such as nanobelts, nanowires, and nanotubes are of great interest due to their unique physical properties and wide-ranging applications in nanoelectronics and optoelectronics. Hydromechanical synthesis is highlighted as an environmentally friendly and parameter-flexible technique for controlled nanostructure formation. The research focuses on

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Kolomiiets, D., and M. Pasichnyy. "SPECIFIC FEATURES OF HYDROMECHANICAL SYNTHESIS OF VANADIUM PENTAOXIDE NANOBELTS." Cherkasy University Bulletin: Physical and Mathematical Sciences, no. 1 (2022): 3–14. https://doi.org/10.31651/2076-5851-2022-3-14.

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This study offers a comprehensive analysis of the hydromechanical synthesis process for one-dimensional vanadium pentoxide (V₂O₅) nanobelts. The research aims to develop a scalable, ambient-condition methodology to produce nanostructured materials for advanced energy storage applications. Aqueous suspensions containing commercial V₂O₅ powder and varying concentrations of sodium chloride (NaCl) were subjected to intensive magnetic stirring without thermal post-processing. The experimental procedure involved monitoring the evolution of physicochemical properties over time, enabling detailed insi

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Shantha, K., and K. B. R. Varma. "Diffused phase transition in fine-grained bismuth vanadate ceramics." Journal of Materials Research 14, no. 12 (1999): 4651–56. http://dx.doi.org/10.1557/jmr.1999.0629.

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Nanocrystalline powders of ferroelectric bismuth vanadate, Bi4V2O11 (n-BiV), with crystallite size less than 50 nm, were obtained by mechanical milling of a stoichiometric mixture of bismuth oxide and vanadium pentoxide. The n-BiV powders on sintering yielded high-density, fine-grained ceramics with improved dielectric and polar characteristics. Dielectric studies on samples obtained from milled powders indicated that the ferroelectric-to-paraelectric phase transition temperature is strongly frequency dependent. The Curie–Weiss law is found to be valid only at a temperature away from the trans

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Liu, Lingna, Yi Hou, Xiuzhao Yin, Fang Zhang, and Zifei Peng. "Preparation and investigation of co-doped VO2 powders." Functional Materials Letters 12, no. 02 (2019): 1950015. http://dx.doi.org/10.1142/s1793604719500152.

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In this paper, tungsten-and molybdenum-doped vanadium dioxide (VO[Formula: see text] powders were prepared by hydrothermal reaction using vanadium pentoxide (V2O[Formula: see text], H2O2, white tungstic acid (WPTA) and sodium molybdate (Na2MoO[Formula: see text] as raw materials. The microstructure and composition of VO2 powders were characterized by means of XRD, XPS, DSC and FT-IR. We made a preliminary study on the thermal-induced phase transition properties of powders. The experimental results show that the co-doped samples are monoclinic rutile. Tungsten and molybdenum atoms exist in the

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Ivanov, P. D., I. A. Putsylov, and S. E. Smirnov. "Development and research of a promising material for high-power fluorocarbon cathodes." PERSPEKTIVNYE MATERIALY 9 (2024): 18–23. http://dx.doi.org/10.30791/1028-978x-2024-9-18-23.

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An original method for the synthesis of silver vanadium oxide (Ag2V4O11) has been developed, including mechanical activation of a mixture of vanadium pentoxide and silver nitrate in a planetary mill followed by heat treatment in a muffle furnace at a temperature of 700 °C for 5 hours in an air atmosphere and providing a product yield of 99.5 % in a highly dispersed state. Based on the data obtained, it was found that the introduction of 8 wt. % Ag2V4O11 made it possible to double the polarization characteristics in comparison with a conventional (CFx)n sample. According to the results of testi

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Zeiger, Marco, Teguh Ariyanto, Benjamin Krüner, et al. "Vanadium pentoxide/carbide-derived carbon core–shell hybrid particles for high performance electrochemical energy storage." Journal of Materials Chemistry A 4, no. 48 (2016): 18899–909. http://dx.doi.org/10.1039/c6ta08900c.

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V<sub>2</sub>O<sub>5</sub>/carbide-derived carbon core–shell hybrid electrodes can be synthesized using vanadium carbide as the precursor. The resulting hybrid material shows high energy and power ratings for electrochemical energy storage.

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Jiang, Yan, Jun Lu, Ao Xiang, et al. "Achieving Stable Copper Ion Storage in Layered Vanadium Pentoxide." Batteries 9, no. 12 (2023): 572. http://dx.doi.org/10.3390/batteries9120572.

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Copper metal is a promising anode in aqueous batteries due to its low price, noble reaction potential (0.34 V), high theoretical specific capacity, abundance and chemical stability. However, only a few copper ion storage materials have been reported. Herein, layered vanadium pentoxide is chosen to store copper ions for the first time. Ex situ XRD reveals a unique two phase transition process during cycling. The V2O5 electrode shows stable copper ion storage performance. It delivers 91.9 mAh g−1 for the first cycle with a cycle life of as high as 4000 cycles at 1.0 A g−1. This work provides an

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Lao, Z. J., K. Konstantinov, Y. Tournaire, S. H. Ng, G. X. Wang, and H. K. Liu. "Synthesis of vanadium pentoxide powders with enhanced surface-area for electrochemical capacitors." Journal of Power Sources 162, no. 2 (2006): 1451–54. http://dx.doi.org/10.1016/j.jpowsour.2006.07.060.

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Shin, Dong Hun, Chan Uk Bang, Yong Cheol Hong, and Han Sup Uhm. "Preparation of vanadium pentoxide powders by microwave plasma-torch at atmospheric pressure." Materials Chemistry and Physics 99, no. 2-3 (2006): 269–75. http://dx.doi.org/10.1016/j.matchemphys.2005.10.026.

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Salloux, Kurt, James Lim, Bruce Dunn, Pavel M. Chaplya, and Gregory P. Carman. "Rechargeable Lithium Batteries for Powering Piezoelectric Devices." Journal of Intelligent Material Systems and Structures 11, no. 12 (2000): 930–35. http://dx.doi.org/10.1106/36aj-tunu-ep89-8g73.

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A new, rechargeable, thick-film, polymer electrolyte, lithium battery using a high-energy density cathode material (vanadium pentoxide aerogel, 350 mAh/g) has been tested in a pulse-discharge mode of operation. Three separate 12 volt batteries were pulse-discharged through a piezoelectric stack actuator. Since motion rectification devices such as linear motors operate at elevated frequencies, the batteries were pulse-discharged at 10, 100, and 500 Hz. Multiple cycle, charge/discharge data is presented for the three batteries tested in this study. Additionally, a 6 volt battery was fabricated a

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Mohamad, Faizal Baharom, Fauzi Ab Rahman Mohd, Abdul Latiff Anas, Ahmad Aminah, Hafiz Jali Mohd, and Wadi Harun Sulaiman. "Passive mode locking erbium-doped fiber laser using V2O5 polyethylene glycol saturable absorber." Passive mode locking erbium-doped fiber laser using V2O5 polyethylene glycol saturable absorber 32, no. 1 (2023): 269–75. https://doi.org/10.11591/ijeecs.v32.i1.pp269-275.

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An ultrashort pulse erbium-doped fiber laser (EDFL) in anomalous group delay dispersion (GDD) has been proven to produce a soliton wave production at 1596 nm. The mode-locking operation was generated by employing a vanadium pentoxide-polyethylene glycol (V2O5)-(PEG) film as absorber for all-fiber ring setup. Under anomalous dispersion, the soliton mode-locked laser produced a peak wavelength with 2.7 nm spectral bandwidth and Kelly sidebands. Under this condition, we obtained pulse energy of 210 nJ and pulse width of 1.40 ps. The maximum peak electrical power of 150 kW was calculated at the ma

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Liu, Xianyu, Liwen Ma, Yehong Du, Qiongqiong Lu, Aikai Yang, and Xinyu Wang. "Vanadium Pentoxide Nanofibers/Carbon Nanotubes Hybrid Film for High-Performance Aqueous Zinc-Ion Batteries." Nanomaterials 11, no. 4 (2021): 1054. http://dx.doi.org/10.3390/nano11041054.

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Aqueous zinc-ion batteries (ZIBs) with the characteristics of low production costs and good safety have been regarded as ideal candidates for large-scale energy storage applications. However, the nonconductive and non-redox active polymer used as the binder in the traditional preparation of electrodes hinders the exposure of active sites and limits the diffusion of ions, compromising the energy density of the electrode in ZIBs. Herein, we fabricated vanadium pentoxide nanofibers/carbon nanotubes (V2O5/CNTs) hybrid films as binder-free cathodes for ZIBs. High ionic conductivity and electronic c

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Lee, Chi-Yuan, Chia-Hung Chen, Chin-Lung Hsieh, Chong-An Jiang, and Siao-Yu Chen. "Flexible, Multifunctional Micro-Sensor Applied to Internal Measurement and Diagnosis of Vanadium Flow Battery." Micromachines 13, no. 8 (2022): 1193. http://dx.doi.org/10.3390/mi13081193.

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The vanadium redox flow battery (VRFB) system is an emerging energy storage technology with many advantages, such as high efficiency, long life, and high safety. However, during the power-generation process, if local high temperature is generated, the rate of ions passing through the membrane will increase. In addition, it will also cause vanadium pentoxide molecules (V2O5) to exist in the solid state. Once the solid is formed, it will affect the flow of the vanadium electrolyte, which will eventually cause the temperature of the VRFB to continue to rise. According to the various physical para

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Li, Yao, Jian-Lei Kuang, Yi Lu, and Wen-Bin Cao. "Facile Synthesis, Characterization of Flower-Like Vanadium Pentoxide Powders and Their Photocatalytic Behavior." Acta Metallurgica Sinica (English Letters) 30, no. 10 (2017): 1017–26. http://dx.doi.org/10.1007/s40195-017-0611-6.

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Moreno-Castilla, Carlos, José Rivera-Utrilla, and Antonio J. López-Peinado. "Vanadium pentoxide as catalyst in the air gasification of chars." Fuel 68, no. 8 (1989): 968–71. http://dx.doi.org/10.1016/0016-2361(89)90059-8.

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Zhang, Guobin, Tengfei Xiong, Lixue Xia, et al. "Operando Observation of Coupled Discontinuous-Continuous Transitions in Ion-Stabilized Intercalation Cathodes." Batteries 8, no. 12 (2022): 252. http://dx.doi.org/10.3390/batteries8120252.

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Irreversible phase transition caused capacity fading has been considered as an obstacle for rechargeable batteries. An in-depth investigation of the irreversible phase transition is critical for understanding the reaction mechanism and developing advanced batteries. In this work, taking vanadium oxide and its alkali ion-stabilized intercalation compounds (A-V-O, A = Li, Na, K) as prototypes, utilizing operando characterizations, we discovered coupled discontinuous (interlayer)-continuous (intralayer) transitions in the stabilized multielectron intercalation cathodes. The highly ordered crystal

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Kim, Byung Hoon, Won G. Hong, Sang Moon Lee, et al. "Enhancement of hydrogen storage capacity in polyaniline-vanadium pentoxide nanocomposites." International Journal of Hydrogen Energy 35, no. 3 (2010): 1300–1304. http://dx.doi.org/10.1016/j.ijhydene.2009.11.089.

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Feng, C. Q., S. Y. Wang, R. Zeng, Z. P. Guo, K. Konstantinov, and H. K. Liu. "Synthesis of spherical porous vanadium pentoxide and its electrochemical properties." Journal of Power Sources 184, no. 2 (2008): 485–88. http://dx.doi.org/10.1016/j.jpowsour.2008.04.049.

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Chen, Youjian, Hong Zhang, Hongnan Ye, and Jianhua Ma. "A simple and novel route to synthesize nano-vanadium carbide using magnesium powders, vanadium pentoxide and different carbon source." International Journal of Refractory Metals and Hard Materials 29, no. 4 (2011): 528–31. http://dx.doi.org/10.1016/j.ijrmhm.2011.03.004.

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Zhan, Zhen, Jing Cao, Weiguang Xie, Lintao Hou, Qin Ye, and Pengyi Liu. "Role of Vanadium Pentoxide Hole-Extracting Nanolayer in Rubrene/C70-Based Small Molecule Organic Solar Cells." Journal of Nanomaterials 2014 (2014): 1–7. http://dx.doi.org/10.1155/2014/964548.

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Vanadium pentoxideV2O5was inserted between the donor layer and the anode as a hole-extracting nanolayer. Compared with devices without a hole-extracting layer, short-circuit current density (JSC), open-circuit voltage (VOC), fill factor (FF), and power conversion efficiency (PCE) of rubrene/C70-based heterojunction solar cells with 3 nm V2O5nanolayer are enhanced by 99%, 73%, 20%, and 310%, respectively. We found that V2O5interlayer can effectively suppress the contact resistance and increase the hole transport capability. The dependence of the device performance on V2O5layer thickness as well

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Amaya, M., J. Porcayo-Calderon, and L. Martinez. "Electrochemical Studies on High-Temperature Corrosion of Silicon-Iron Coatings and Iron Aluminide Intermetallic Alloys by Molten Salts." Corrosion 57, no. 6 (2001): 489–96. http://dx.doi.org/10.5006/1.3290373.

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Abstract The performance of Fe-Si coatings and an iron aluminide (FeAl) intermetallic alloy (FeAl40at%+0.1at%B+10vol%Al2O3) in molten salts containing vanadium pentoxide (V2O5) and sodium sulfate (Na2SO4) is reported. Corrosion and fouling by ash deposits containing V2O5 and Na2SO4 are typical corrosion problems in fuel oil-fired electric power units. High-temperature corrosion tests were performed using both electrochemical polarization and immersion techniques. The temperature interval of this study was 600°C to 900°C, and the molten salts were 80wt%V2O5-20wt%Na2SO4. Curves of corrosion curr

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