Electrochemical properties of niobium modified aisi316l

Electrochemical properties of niobium modified aisi316l

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Electrochemical Properties of Niobium Modified AISI316L

Electrochemical Properties of Niobium Modified AISI316L Stainless Steel Bipolar Plates for Direct Formic Acid Fuel Cell Y. F. Cui Dalian Maritime University, Institute

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Photo-electrochemical properties of hydrogen in

Journal of ALLOYS AND COMPOUB~D$ ELSEVIER Journal of Alloys and Compounds 231 (1995) 702-705 Photo-electrochemical properties of hydrogen in anodically oxidized niobium Y. Hayashi, M. Arita, K. Koga, M. Masuda Department of Materials Science and ...

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Electrocatalytically Active Niobium Sulfide Modified

We report a simple novel annealing technique for the synthesis of NbS 2 nanoflakes. The synthesized NbS 2 flakes were characterized well with different spectroscopic and microscopic techniques and confirmed they are in 3R-NbS 2 polymorph structure, which is semiconducting in nature. polymorph structure, which is semiconducting in nature.

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Role of tungsten, niobium, and vanadium on corrosion

The effect of addition of refractory elements; Tungsten, Niobium and Vanadium, on the corrosion resistance of austenitic stainless steels in chloride environment were investigated. Corrosion resistance was evaluated under conditions of immersion, potentiodynamic ...

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Effect of methanol on the electrochemical behaviour and

The electrochemical behaviour and surface conductivity of niobium carbide modified-304 stainless steel (Nb-C 304 SS) bipolar plate in simulated cathode (0.5 M H2SO4 + 2 ppm HF + 0.1 M methanol ...

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Electrochemical behaviour and surface conductivity of

The electrochemical behaviour and surface conductivity of niobium carbide modified-304 stainless steel (Nb-C 304 SS) bipolar plate in simulated cathode (0.5 M H2SO4 + 2 ppm HF + 0.1 M methanol ...

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Electrochemical properties of niobium and niobium

Request PDF Electrochemical properties of niobium and niobium compounds modified AISI430 stainless steel as ... The highly conductive and corrosion resistant diffusion layers of niobium, niobium ...

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Electrochemical and Electrocatalytic Studies of Toluidine Blue Immobilized on a Silica Gel Surface Coated with Niobium

The electrochemical behavior of toluidine blue (TB) adsorbed on a silica surface modified with niobium oxide (SN) was investigated using a modified carbon paste electrode. The presence of SN gave the electrode high stability, avoiding the leaching out of the

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Metal Coated Polypropylene Separator with Enhanced

Niobium metal and its oxides possess excellent electrical and mechanical properties and are reported to improve the performance of LiBs and mitigate the serious issues related to polysulfide ...

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Electrochemical Properties of NbO as a Negative

The electrochemical properties of niobium monoxide, NbO, were investigated as a negative electrode material for lithium-ion batteries. Lithium ions were inserted into and extracted from NbO material at potentials < 1.0 V versus Li/Li+, involving formation of a solid ...

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Characterization of niobium(v) oxide received from

Abstract The characterization of three commercial powders of niobium(V) oxide received from two producers was made. The thermal behavior of Nb 2 O 5 up to melting point and its microstructure were studied using X-ray powder diffraction, thermoanalytical methods (DSC/TG), infrared spectroscopy (IR) and scanning microscopy. ...

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Journal of Electroanalytical Chemistry Vol 858, 1

Read the latest articles of Journal of Electroanalytical Chemistry at ScienceDirect.com, Elseviers leading platform of peer-reviewed scholarly literature select article Remaining-useful-life prediction via multiple linear regression and recurrent neural network reflecting ...

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An Electrochemical Impedance Spectroscopic Study of

Electrochemical impedance spectra (EIS) for lithium ion insertion and deinsertion in spinel LiMn2O4 were obtained at different potentials and different temperatures during initial chargedischarge cycle. The results revealed that, at intermediate degrees of intercalation, three semicircles appeared in the Nyquist diagram. This new phenomenon has been investigated through EIS measurements as ...

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Structural and Optical Properties of Cu2MnSnS4 Thin

Cu2MnSnS4 thin film was successfully prepared by a sol-gel technique on soda lime glass substrate from metal salts and thiourea. The structural and morphological properties of the fabricated film were characterized by X-ray diffraction, Raman spectroscopy ...

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Functionalization of niobium electrodes for the construction of

classical three-electrode electrochemical cell, that was placed into a Faraday cage. The modified niobium/niobium oxide electrode (0.03 cm2) was used as working electrode, a platinum strip (0.54 cm2) as a counter electrode and a saturated calomel

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S. Li's research works Dalian Maritime University, Dalian

The niobium modified AISI316L stainless... Cite Request full-text Tungsten diffusion modified AISI ... phase structure and electrochemical properties of the overstoichiometric hydrogen storage ...

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Journal of Materials Research: Volume 33 - Issue 24

The electrochemical properties of CoTMPyP/[NbMoO 6] NSs composite were also investigated by cyclic voltammetry and liner sweep voltammetry, which showed the enhanced electron transferred ability. The CoTMPyP/[NbMoO 6 ] NSs modified electrode displayed excellent electrocatalytic activity towards oxygen reduction with the reduction peak potential shifting from 0.681 to 0.235 V.

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Catalytically active single-atom niobium in graphitic

Carbides of groups IV through VI (Ti, V and Cr groups) have long been proposed as substitutes for noble metal-based electrocatalysts in polymer electrolyte fuel cells. However ...

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Synthesis and electrochemical properties of niobium

Herein we report on the hydrothermal synthesis of niobium pentoxide on carbide-derived carbon (Nb 2 O 5 /CDC) with a layered structure. The presence of phenylphosphonic acid guides the deposition during preparation, leading to the formation of amorphous Nb 2 O 5 particles which are 410 nm in diameter and homogeneously distributed on the CDC framework.

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Effect of porous oxide films on characterization and bioactivity of titanium niobium alloy by electrochemical

In the present investigation, the mechanical properties of TiNb alloys were modified by electrochemical treatment. The properties of the TiNb alloy specimens were determined by electrochemical measurement and material analyses.

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Performance of niobium nitride-modified AISI316L

Performance of niobium nitride-modified AISI316L stainless steel as bipolar plates for direct formic acid fuel cells ... The electrochemical properties and surface conductivity of the NbN 316L SS bipolar plates have been systematically studied in the simulated (0 2 ...

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CORE

The electrochemical properties of immobilized RF were investigated by cyclic voltammetry. The factorial analysis was carried out analysing the current intensity (Ipa). It was possible to optimize the electrode to get the best reversibility in the redox process, i. e. the lowest separation between anodic and cathodic peak potentials and a current ratio close to unity.

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Characterization of vacuumannealed TiNb2O7 as high

Electrochemical properties of mixed titaniumniobium oxide TiNb 2 O 7 (TNO) synthesized via vacuum annealing as high potential anode material for lithiumion batteries were investigated. Crystal structure, size, and morphology are nearly independent of the ...

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Electroanalytical Performance of Nitrogen-Containing

Tetrahedral amorphous carbon (ta-C) consists of a mixture of sp 3 - and sp 2-bonded carbon ranging from 60 to 40% (sp 3 /sp 3 +sp 2) depending on the deposition conditions.The physical, chemical, and electrochemical properties depend on the sp 2 /sp 3 bonding ratio as well as the presence of incorporated impurities, such as hydrogen or nitrogen. ...

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Electrochemical properties of LiNi 0.6 Co 0.12 Mn 0.2 V

Xiong X, Wang Z, Guo H, Zhang Q, Li X (2012) Enhanced electrochemical properties of lithium-reactive V 2 O 5 coated on the LiNi 0.8 Co 0.1 Mn 0.1 O 2 cathode material for lithium ion batteries at 60 C. J Mater Chem A 1:12841288 Article Google Scholar

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Lithium Ion Intercalation Performance of Niobium

Polycrystalline KNb5O13 and K6Nb10.8O30 were prepared by the conventional solid-state reaction. The position of the Nb5+/Nb4+ couple in two oxide hosts, KNb5O13 and K6Nb10.8O30, that exhibit reversible Li insertion in the targeted voltage range, 1.01.5 V.

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Background - University of Tokyo

4-6-1 Komaba Meguro-ku, Tokyo 153-8505, Japan The electrochemical-pulverization technique of bulk niobium was investigated with the purpose of developing a new process for the production of fine niobium powder for use in electronic devices.

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Niobium and niobium-iron coatings on API 5LX 70 steel

Niobium and iron powders were used to create the coatings. The niobium powder's particle size had an average diameter of 37. 6 µm, that of the iron powder was 54. 2 µm and that of the mixture niobium-iron was 41. 76 µm. A sheet of solid niobium measuring 2

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Effect of diffusion alloying time on corrosion resistance

The electrochemical behaviour and surface conductivity of niobium carbide modified-304 stainless steel (Nb-C 304 SS) bipolar plate in simulated cathode (0.5 M H2SO4 + 2 ppm HF + 0.1 M methanol ...

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Publications > narayan Group > USC Dana and David

Dr. Narayan has published over 70 journal articles and proceedings publications. He also authored and co-authored several textbooks discussing fuel cells, solid state batteries, and metal-air batteries. Several of the articles Dr. Narayan has published are the most ...

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Stability limits of tin-based electrocatalyst supports

Tin-based oxides are attractive catalyst support materials considered for application in fuel cells and electrolysers. If properly doped, these oxides are relatively good conductors, assuring that ...

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Effect of porous oxide films on characterization and

Effect of porous oxide films on characterization and bioactivity of titanium niobium alloy by electrochemical treatments Pei Wen Peng, Yung Ning Pan,

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