PRECIPITATION AND GRAIN REFINEMENT IN VANADIUM

3 Fig. 1 shows Thermo-Calc calculations of the equilibrium precipitation of V(C,N) in steels microalloyed with vanadium. Also shown in this figure is the mole fraction of nitrogen in carbo -

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Vanadium nitride nanocrystals decorated ultrathin, N-rich and ...

In view of the above considerations, herein, we crafted a novel VN@NC interlayer catalyst via a simple approach. Worth noting that the one-pot synthesis with post …

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Vanadium nitride in low-alloy low-carbon steels

FROM FOREIGN TECHNOLOGY VANADIUM NITRIDE IN LOW-ALLOY LOW-CARBON STEELS Yu. I. Matrosov and v. N.-Anashenko Alloying of steels with nitrogen in combination …

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Carbothermal synthesis of vanadium nitride: Kinetics and …

In contrast, sapphire substrates do not act as oxygen source in the 600 °C regime and change the nitridation behaviour of the vanadium films.Vanadiumnitrid-Filme durch Rapid …

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Hydrothermal synthesis of vanadium nitride and modulation of its ...

Hydrothermal synthesis of vanadium nitride and modulation of its catalytic performance for oxygen reduction reaction† Taizhong Huang,‡*ab Shun Mao,‡b Guihua Zhou,b Zhenhai Wen,b …

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vanadium nitride

Notes. Go To: Top Data from NIST Standard Reference Database 69: NIST Chemistry WebBook The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a …

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Recent advances of fabricating vanadium nitride …

The continued growth of the global economy is heavily dependent on the development and use of fossil fuels (oil, natural gas, and coal, etc.). The increasing exploitation …

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A Simple Low Temperature Synthesis of Nanostructured

Nanocrystalline vanadium nitride (VN) has been synthesized using a simple two-step procedure involving mechano-chemical reaction of V 2 O 3 and Li 3 N mixture induced by …

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A novel method of preparing vanadium-based …

1 Introduction Transition metal nitrides are attracting increasing focus owing to their excellent physical and chemical properties. 1–4 Vanadium nitride is widely used in alloy components, coatings, battery materials, supercapacitor …

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Vanadium nitride for aqueous supercapacitors: a topic review

Supercapacitors have emerged as the most attractive complementary devices between batteries and conventional capacitors, while a high performance electrode material is key to their energy …

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Synthesis and Characterization of Vanadium Nitride/Carbon

The present work focuses on the synthesis of a vanadium nitride (VN)/carbon nanocomposite material via the thermal decomposition of vanadyl phthalocyanine (VOPC). The …

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Enhancing Cycling Stability and Specific Capacitance of …

Recently, vanadium nitride (VN) has been identified as one of the most promising transition metal compound for use in electrochemical capacitors (ECs) with a specific …

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A novel method to synthesize vanadium nitride ...

Here, we successfully combine SCS and ammonia reduction method to synthesize VN nanopowders for the first time. Firstly, nano-scaled vanadium dioxide (VO 2) …

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Study on reaction mechanism for the synthesis of vanadium …

The preparation process of VN using V 2 O 3 as the vanadium source, in the presence of reducing carbon powder and N 2, can be traced back to 1967 when James H. …

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Vanadium Nitride Nanoparticles as Anode Material for Lithium

A high production efficiency synthesis method was used to produce a stacked vanadium nitride nanoparticle structure with an inexpensive raw material as an anode material …

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Low temperature chemical vapor deposition of ...

An excellent way to deposit transition nitride films at low temperatures is the reaction of transition metal dialkylamido precursors, M(NR 2) x, and ammonia. 5,6 Such …

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Electrochemical and Chemical Instability of Vanadium Nitride in …

Vanadium nitride: VN has been extensively used in various electrochemical applications such as in the field of electrochemical nitrogen reduction reaction, electrochemical …

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Vanadium nitride-vanadium oxide-carbon nanofiber hybrids for …

Vanadium Nitride (VN) is attractive for energy storage due to its high conductivity (1.6 × 10 6 S/m) and specific capacitance (1350 F/g) but limited to alkaline electrolytes for …

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Investigating the effect of nitrogen on the structural and tribo ...

where I(hkl) film is the normalized intensity of the (hkl) diffraction peak, which is equal to the intensity of (hkl) peak on the XRD pattern; I(hkl) bulk is the integral intensity of the …

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Recent Progress in the Applications of Vanadium‐Based Oxides …

1 Introduction. With the economic, science and technology increasing at an amazing speed, energy has become one of the most important issues in the 21 st century. In addition, the …

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Recent advances in vanadium-based nanomaterials and their …

In recent years, supercapacitors (SCs) have attracted considerable attention in the field of energy storage, and the design and engineering of effective electrode materials represent a critical …

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Mechanism and experimental study on preparation of high-quality ...

According to the literature [26, 27], we can know that reaction (R1) V 2 O 3 + 3C + N 2 (g) = 2VN + 3CO(g) is the total equation of the process of preparing VN by carbothermal …

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Dynamic and structural stability of cubic vanadium nitride

This is the accepted manuscript made available via CHORUS. The article has been published as: Dynamic and structural stability of cubic vanadium nitride

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Review ArticleRecent advances of fabricating vanadium nitride …

The continued growth of the global economy is heavily dependent on the development and use of fossil fuels (oil, natural gas, and coal, etc.). The increasing exploitation …

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High‐rate sodium‐ion storage of vanadium nitride via …

Vanadium nitride (VN) anode follows the surface-redox pseudocapacitive mechanism in the nonaqueous sodium-based electrolyte, that is, the redox (de)sodiations occurring with the V5+ at the surface of...

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New Production Route for Vanadium Nitride Master Alloy

A vanadium nitride alloy can be used as an alloying source of nitrogen and vanadium elements in high-strength steel. In this study, comprehensive and systematic …

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Novel Hybrid Nanoparticles of Vanadium …

Abstract Hybrid materials of vanadium nitride and porous carbon nanoparticles (VN/PCNPs) were fabricated by a facile pyrolysis process of vanadium pentoxide (V2O5) xerogel and melamine at relatively low …

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The vanadium-nitrogen system: a review

The Vanadium-Nitrogen System: A Review O.N. CARLSON, J. E SMITH, and R. H. NAFZIGER This paper is a critical review of the available phase equilibria, crystallographic, and …

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Vanadium nitride quantum dots@carbon skeleton anode material ...

Vanadium nitride (VN) has received significant attention as a potential negative electrode material due to its remarkable theoretical and physical properties. However, the …

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