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Intercalated composite material used for manufacturing rechargeable battery electrode and preparation method of intercalated composite material

A composite material and rechargeable battery technology, applied in battery electrodes, electrode manufacturing, circuits, etc., can solve the problems of inappropriate application in large areas, time-consuming and laborious preparation, and achieve excellent electrical conductivity and photocatalytic performance, easy implementation, and reasonable preparation. Effect

Inactive Publication Date: 2015-03-25
常熟市微尘电器有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, composite materials are mostly used in the production of rechargeable battery electrode materials. Due to the performance differences of various composite materials and the differences in preparation processes, the performances of various electrode materials produced have their own advantages and disadvantages, but they have There are few electrode materials with excellent comprehensive properties such as electrical conductivity, photocatalysis, reusability, and stability
Although some electrode materials have good comprehensive properties, they are time-consuming, labor-intensive, and material-intensive to prepare, and are not suitable for large-scale promotion and application.

Method used

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  • Intercalated composite material used for manufacturing rechargeable battery electrode and preparation method of intercalated composite material

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preparation example Construction

[0014] figure 1 It is a process step diagram of the preparation method of the intercalation composite material used to make the electrode of the rechargeable battery according to the embodiment of the present invention; the intercalation composite material is composed of nano-titanium oxide and graphene oxide, and the preparation method includes the following steps: a) preparing Graphene oxide, b) preparation of titanium sulfate solution, c) mixing reaction and molding treatment.

[0015] The intercalation composite material used to make the electrode of the rechargeable battery mentioned in the present invention is prepared by using graphite oxide and titanium sulfate as the initial reactants. During the preparation, the single-layer and multi-layer graphite oxide mixture after the alkali solution is stripped is used as the load. The titanium oxide ion groups generated by the hydrolysis of titanium sulfate diffuse into the graphene oxide layer through electrostatic attraction...

Embodiment

[0017] The specific preparation method is as follows:

[0018] a) To prepare graphene oxide, firstly carry out the purification of graphite, the specific purification process is: first add a certain amount of graphite into 30wt% sodium hydroxide solution, stir evenly, melt and react at 450°C for 1 hour; then cool naturally , washed with deionized water and filtered until neutral; then the graphite was soaked in concentrated hydrochloric acid for 1 hour, washed with deionized water and filtered until neutral; finally dehydrated and dried in a drying oven at 200°C to obtain purified graphite. Then put the purified graphite, sodium nitrate, and concentrated sulfuric acid into a mixing container placed in an ice-water bath, stir continuously, and then gradually add potassium permanganate, and the whole cooling process in the ice-water bath lasts for 2 hours. Among them, the purified graphite, sodium nitrate, concentrated The mass ratio of sulfuric acid and potassium permanganate i...

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Abstract

The invention provides an intercalated composite material used for manufacturing a rechargeable battery electrode and a preparation method of the intercalated composite material. The intercalated composite material consists of nanometer titania and graphene oxide. The preparation method comprises the following steps: (a) peparing the graphene oxide; (b) preparing a titanium sulfate solution; and (c) carrying out mixed reaction and forming. According to the intercalated composite material used for manufacturing the rechargeable battery electrode and the preparation method of the intercalated composite material, disclosed by the invention, the intercalated composite material is reasonable in preparation and easy and convenient to realize, has the excellent conductive performance and photocatalytic performance and has the relatively high reusable performance and stability performance.

Description

technical field [0001] The invention relates to an electronic material, in particular to an intercalation composite material for making rechargeable battery electrodes and a preparation method thereof, belonging to the technical field of electronic materials. Background technique [0002] Electronic materials are the material basis for the development of modern electronics industry and science and technology. They mainly refer to materials used in electronic technology and microelectronic technology, including dielectric materials, semiconductor materials, piezoelectric and ferroelectric materials, conductive metals and their alloy materials. , magnetic materials, optoelectronic materials and other related materials. Electronic materials cover a wide range of materials whose main function is to be optically functional or affect the electrical properties of the product. At present, electronic materials are mainly used in industries such as IC manufacturing, flat panel displa...

Claims

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Application Information

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IPC IPC(8): H01M4/86H01M4/88
CPCH01M4/04H01M4/366H01M4/48Y02E60/10
Inventor 马进
Owner 常熟市微尘电器有限公司