Unlock instant, AI-driven research and patent intelligence for your innovation.

Vanadium carbide niobium nanosheet and preparation method and application thereof

A vanadium carbide and nanosheet technology, applied in the field of nanosheet materials, can solve the problems of the influence of finished product geometry and shape, high finished product density, unfavorable preparation of vanadium carbide and niobium nanosheets, etc., and achieves simple output, short burning time, good quality Effects of Capacitive Performance

Pending Publication Date: 2021-06-22
SHAOYANG UNIV
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this method reacts quickly and the sintering temperature is low, due to the limitations of the mold, the geometric size and shape of the finished product are greatly affected, and the finished product is high in density, which is not conducive to the subsequent preparation of vanadium niobium carbide nanosheets

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Vanadium carbide niobium nanosheet and preparation method and application thereof
  • Vanadium carbide niobium nanosheet and preparation method and application thereof
  • Vanadium carbide niobium nanosheet and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] According to the molar ratio of V powder: Nb powder: Al powder: C powder = 1.9: 0.1: 1: 1, weigh 100g of each high-purity raw material powder, put the weighed powder into a vacuum drying tank and dry it overnight, then put Put it into a stainless steel vacuum ball mill tank equipped with stainless steel ball milling beads, wherein the ball-to-material ratio is (5-10): 1, then pass argon into the stainless steel vacuum ball mill tank for 5-10min and then put it into a planetary ball mill to 300-400r / min, ball milling for 2-6h, after the ball milling, put it aside for a period of time and wait for the stainless steel ball milling tank to cool down, open the ball milling tank, take out the solid phase powder mixed evenly with the solid phase, put it in the inner layer, place carbon cloth and coat the surface well boron nitride in a graphite box.

[0043] Roll the tungsten wire into a filament shape and put it in the middle of the solid phase powder, then put the graphite box...

Embodiment 2

[0047] The difference between this example and Example 1 is that the ratio of V powder to Nb powder is changed, that is, each high-purity raw material is weighed according to the molar ratio of V powder: Nb powder: Al powder: C powder = 1.8:0.2:1:1 A total of 100g of powder, all the other operating steps are the same as in Example 1, the precursor material prepared by this example is V 1.8 Nb 0.2 AlC, the prepared vanadium niobium carbide nanosheets are V 1.8 Nb 0.2 c.

Embodiment 3

[0049] The difference between this example and Example 1 is that the ratio of V powder to Nb powder is changed, that is, each high-purity raw material is weighed according to the molar ratio of V powder: Nb powder: Al powder: C powder = 1.5:0.5:1:1 A total of 100g of powder, all the other operating steps are the same as in Example 1, the precursor material prepared by this example is V 1.5 Nb 0.5 AlC, the prepared vanadium niobium carbide nanosheets are V 1.5 Nb 0.5 c.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a vanadium carbide niobium nanosheet and a preparation method and application thereof. The method for preparing the vanadium carbide niobium nanosheet comprises the following steps: (1) weighing powder; (2) ball-milling and mixing; (3) self-propagating synthesis; (4) ball-milling and sieving; (5) hydrofluoric acid (HF) acid etching; (6) carrying out tetramethylammonium hydroxide (TMAOH) intercalation; and (7) centrifugal collection. Compared with other preparation methods, the preparation method provided by the invention has the advantages of low energy consumption, safety, environmental protection, simple and time-saving operation, low cost and the like, and the prepared material can be used as a supercapacitor electrode material.

Description

technical field [0001] The invention belongs to the field of nano-sheet materials, in particular to a vanadium-niobium carbide nano-sheet (V 2-x Nb x C) (0.1≤x≤1) and its preparation method and application. Background technique [0002] Vanadium-niobium carbide nanosheets are a new type of two-dimensional metal transition carbides, which have promising applications in many fields, including energy storage and conversion, catalysis, sensing, electromagnetics, optics, and water purification. [0003] Precursor Material MAX Phase V of Vanadium Niobium Carbide Nanosheets 2-x Nb x AlC (0.1≤x≤1) has methods such as pressureless sintering, hot-pressing sintering, and spark plasma sintering. Among them, pressureless sintering uses pressureless sintering, although the preparation process is simple, but it needs to be heated under high temperature conditions, and before sintering The powder needs to be cold-pressed. Due to its heating rate and sintering time requirements, the sint...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): C01B32/90H01G11/32H01G11/36H01G11/86B82Y30/00B82Y40/00
CPCC01B32/90B82Y30/00B82Y40/00H01G11/86H01G11/36H01G11/32C01P2002/72C01P2004/03C01P2004/04C01P2006/40Y02E60/13
Inventor 吴海江刘志勇杨飞英何世杰黄宇翔刘毅
Owner SHAOYANG UNIV
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com