Method for preparing flexible iron sesquioxide/ferroferric oxide and nitrogen doped carbon composite nano-fibers

Abstract

The invention relates to a method for preparing flexible iron sesquioxide / ferroferric oxide and nitrogen doped carbon composite nano-fibers. The method has the advantages that the problem of poor toughness and electric conductivity of existing metal oxide can be solved by the aid of the method; flexible macromolecules are used as supports and are subjected to composition with metal organic gel precursors with plasticity to obtain precursors, and the precursors are subjected to pyrolysis in inert atmosphere and air atmosphere to obtain the flexible iron sesquioxide / ferroferric oxide and nitrogen doped carbon composite nano-fibers which are flexible metal oxide and nitrogen doped carbon composite nano-fibers; the problems of complicated and harsh conditions for preparing flexible metal oxide and carbon composite materials, high costs and difficulty in large-scale production at present can be solved by the aid of the method; raw materials for the flexible iron sesquioxide / ferroferric oxide and nitrogen doped carbon composite nano-fibers are low in cost, processes for preparing the flexible iron sesquioxide / ferroferric oxide and nitrogen doped carbon composite nano-fibers are simple, and the method is short in synthesis period, good in repeatability and high in yield, and industrial production can be facilitated; the flexible iron sesquioxide / ferroferric oxide and nitrogen doped carbon composite nano-fibers can have characteristics of bendable properties and excellent electrochemical performance, accordingly, the method has an extremely broad application prospect in the field of wearable electronic devices, and the like.

Description

technical field [0001] The invention relates to a preparation method of flexible ferric oxide / iron tetroxide and nitrogen-doped carbon composite nanofiber. Background technique [0002] Metal oxide and carbon composite nanofibers combine the common advantages of metal oxides and carbon fibers, and have excellent physical and chemical properties and novel microstructures, making them have broad application prospects in the fields of chemistry and materials. For example, metal oxides and carbon nanofiber composites have good electrical conductivity, which can satisfy fast electron and ion transport, and metal oxides have high specific capacity, so they are widely used in secondary batteries and supercapacitors. Energy storage device; large specific surface area and abundant metal oxide active sites make this type of material show very important research value in electrocatalysis and photoelectrocatalysis. At present, the methods for preparing metal oxides and carbon nanofiber...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problems of complex and harsh conditions, high cost and difficulty in mass production of the existing method for preparing flexible ferric oxide / ferric oxide and nitrogen-doped carbon composite nanofibers, and to provide a method with simple process and low cost Preparation method of flexible ferric oxide / ferric oxide and nitrogen-doped carbon nanofibers

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