Eureka AIR delivers breakthrough ideas for toughest innovation challenges, trusted by R&D personnel around the world.

Nitrogen-doped graphene modified graphite puree and preparation method thereof

A graphene modification, graphene technology, applied in cable/conductor manufacturing, carbon-silicon compound conductors, electrical components, etc., can solve the problems of low electrical conductivity of brush thickness and further improvement of electrical conductivity.

Active Publication Date: 2018-01-16
WUHU SAUNAKING ELECTRONICS TECH CO LTD
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the conductivity of ordinary graphite puree needs to be further improved. In addition, the coating thickness of graphite puree is also the main reason for its low conductivity.

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
  • Nitrogen-doped graphene modified graphite puree and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0018] Preparation of nitrogen-doped graphene: 155g of urea (analytical pure) was added to 100mL of graphene oxide solution, after fully stirring and mixing; air-dried at 40°C for 10h to obtain a mixed powder; then the mixed powder was calcined to obtain the Nitrogen doped graphene. Wherein, the steps of calcination used are: starting from 20°C to 800°C and maintaining at 800°C for 1 hour, wherein the heating rate is 5°C / min; then cooling down to 30°C at a cooling rate of 10°C / min; wherein, the The calcination atmosphere is N 2 , N 2 The flow rate is 0.001m 3 / h.

preparation example 2

[0020] Preparation of nitrogen-doped graphene: Add 200g of urea (analytical pure) to 100mL of graphene oxide solution, stir and mix thoroughly; blow dry at 60°C for 6h to obtain mixed powder; then calcinate the mixed powder to obtain the Nitrogen doped graphene. Wherein, the steps of calcination used are: starting from 20°C to 800°C and maintaining at 800°C for 1 hour, wherein the heating rate is 5°C / min; then cooling down to 30°C at a cooling rate of 10°C / min; wherein, the The calcination atmosphere is N 2 , N 2 The flow rate is 0.001m 3 / h.

Embodiment 1

[0022] Nitrogen-doped graphene, conductive graphite, polypropylene resin (with a weight average molecular weight of 10,000), glass powder, zinc powder, terpineol, ethyl cellulose and polyvinylpyrrolidone in a weight ratio of 21:100: 25:1:1:30:1:1 Stirring for 2 hours at a rotational speed of 2000rpm to obtain nitrogen-doped graphene modified graphite puree A1;

[0023] Wherein, the added nitrogen-doped graphene is prepared from Preparation Example 1.

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 nitrogen-doped graphene modified graphite protoplasm. A preparation method for the nitrogen-doped graphene modified graphite protoplasm comprises the following steps: stirring nitrogen doped graphene, conductive graphite, resin, glass powder, zinc powder, terpilenol, ethyl cellulose and polyvinyl pyrrolidone to obtain the nitrogen doped graphene modified graphite protoplasm. The nitrogen-doped graphene modified graphite protoplasm has high electricity conducting performance; the using amount per unit area is small; the coating efficiency is high.

Description

technical field [0001] The invention relates to graphite puree, in particular to nitrogen-doped graphene modified graphite puree and a preparation method thereof. Background technique [0002] Graphite puree is made of conductive graphite or carbon black as the main raw material, and the prepared graphite puree is widely used in communication products, computers, portable electronic products, network hardware, medical instruments, household electronic products and aerospace electronic products. However, the electrical conductivity of general graphite puree needs to be further improved. In addition, the coating thickness of graphite puree is also the main reason for its low conductivity. Contents of the invention [0003] The object of the present invention is to provide a nitrogen-doped graphene-modified graphite protoplasm, which has strong electrical conductivity and a small unit dosage. [0004] In order to achieve the above object, the invention provides a preparation...

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
Patent Type & Authority Patents(China)
IPC IPC(8): H01B13/00H01B1/04
CPCH01B1/04H01B13/00
Inventor 马西健
Owner WUHU SAUNAKING ELECTRONICS TECH CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Eureka Blog
Learn More
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com