Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Graphene/porous iron oxide nano-rod compound and preparation method thereof

An iron oxide nanometer and graphene technology, applied in the field of material chemistry, can solve problems such as unreported, and achieve the effects of easy acquisition, simple method, and multiple lithium storage sites.

Active Publication Date: 2015-10-21
SUZHOU UNIV
View PDF2 Cites 8 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

α-Fe 2 o 3 / graphene, α-Fe 2 o 3 / CNTs, α-Fe 2 o 3 Materials such as / carbon have been reported to be synthesized, but silk proteins regulate porous Fe 2 o 3 The synthesis of nanorod / graphene composites has not been reported

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
  • Graphene/porous iron oxide nano-rod compound and preparation method thereof
  • Graphene/porous iron oxide nano-rod compound and preparation method thereof
  • Graphene/porous iron oxide nano-rod compound and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] The preparation method of graphene / porous iron oxide nanorod composite:

[0032] (1) Mix 0.05g of graphene oxide with 16mL of silk protein solution with a mass fraction of 5.06%, adjust the pH to 10, and add 0.2mL of hydrazine hydrate for reduction induction, thereby obtaining graphene-silk protein nanofiber composites;

[0033] (2) Add 2.15g FeCl to the above compound 3 ·6H 2 O, continue to stir until completely dissolved;

[0034] (3) Pour the above mixture into the reactor and react at 160°C for 20 hours;

[0035] (4) Naturally cool to room temperature after the reaction is finished, and centrifuge and wash, and finally the product is vacuum-dried;

[0036] (5) The solid powder obtained above was calcined in an argon atmosphere at 400° C. for 5 hours in a vacuum tube furnace, and then naturally cooled to room temperature.

[0037] Figures 1 to 4 They are the scanning electron microscope figure, transmission electron microscope figure, XRD figure and Raman spect...

Embodiment 2

[0039] The preparation method of graphene / porous iron oxide nanorod composite:

[0040] (1) Mix 0.05g graphene oxide with 0.19mL silk protein solution with a mass fraction of 5.06%, adjust the pH to 10, and add 1mL hydrazine hydrate for reduction induction, thereby obtaining graphene-silk protein nanofiber composites;

[0041] (2) Add 1g FeCl to the above compound 3 ·6H 2 O, continue to stir until completely dissolved;

[0042] (3) Pour the above mixture into the reactor and react at 120°C for 36 hours;

[0043] (4) Naturally cool to room temperature after the reaction is finished, and centrifuge and wash, and finally the product is vacuum-dried;

[0044] (5) The solid powder obtained above was calcined in an argon atmosphere at 320° C. for 8 hours in a vacuum tube furnace, and then naturally cooled to room temperature.

[0045] Figure 5 It is the scanning electron microscope image of the sample. It can be seen from the figure that the complex is partly rod-shaped and pa...

Embodiment 3

[0047] The preparation method of graphene / porous iron oxide nanorod composite:

[0048] (1) Mix 0.05 g of graphene oxide with 10 mL of a silk protein solution with a mass fraction of 5.06%, adjust the pH to 10, and add 20 μL of hydrazine hydrate for reduction induction, thereby obtaining a graphene-silk protein nanofiber composite;

[0049] (2) Add 3g FeCl to the above compound 3 ·6H 2 O, continue to stir until completely dissolved;

[0050] (3) Pour the above mixture into the reactor and react at 200°C for 8 hours;

[0051] (4) Naturally cool to room temperature after the reaction is finished, and centrifuge and wash, and finally the product is vacuum-dried;

[0052](5) The solid powder obtained above was calcined in an argon atmosphere at 450° C. for 3 hours in a vacuum tube furnace, and then naturally cooled to room temperature.

[0053] Figure 6 is the scanning electron microscope image of the sample, and it can be seen from the image that the complex is rod-shaped. ...

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 belongs to the technical field of material chemistry and particularly relates to a graphene / porous iron oxide nano-rod compound and a preparation method thereof. The compound comprises graphene and Fe2O3 nano-particles loaded on graphene, and the Fe2O3 nano-particles adopt cellular porous structures. The compound is simple in synthetic method, and low in raw material cost.

Description

technical field [0001] The invention belongs to the technical field of material chemistry, and in particular relates to a graphene / porous iron oxide nanorod composite and a preparation method thereof. Background technique [0002] As the main energy source for portable devices, lithium batteries are being used in more and more fields, including electronic engines and green energy. Although lithium batteries have made some progress commercially, their disadvantages such as low energy storage and weak cycle stability limit their wider application. Therefore, a lot of research is currently trying to find a high-efficiency lithium battery electrode material, such as low-dimensional metal oxide materials. Among alternative anode materials, one of the transition metal oxides, Fe 2 o 3 It has received more and more attention because of its theoretical capacity (1007mAh g -1 ) is much higher than that of graphite and other transition metal oxides (SnO 2 etc.), and its low price...

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 Applications(China)
IPC IPC(8): C01B31/04C01G49/06B82Y30/00
CPCC01B32/194B82Y30/00B82Y40/00C01B32/198C01G49/06C01P2002/72C01P2002/82C01P2004/03C01P2004/04C01P2004/16C01P2004/80H01B1/02
Inventor 盛卫琴吕强朱鹤孙
Owner SUZHOU UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap 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