CN102646457A - Composite nanometer coaxial cable and manufacture method thereof - Google Patents
Composite nanometer coaxial cable and manufacture method thereof Download PDFInfo
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- CN102646457A CN102646457A CN2012101309719A CN201210130971A CN102646457A CN 102646457 A CN102646457 A CN 102646457A CN 2012101309719 A CN2012101309719 A CN 2012101309719A CN 201210130971 A CN201210130971 A CN 201210130971A CN 102646457 A CN102646457 A CN 102646457A
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Abstract
The invention relates to a coaxial nanometer cable composite material and a manufacture method thereof, in particular to a manufacture method of a composite coaxial nanometer cable composed of tin oxide, a carbon nano tube and conductive macromolecules. The cable is composed of the tin oxide, the carbon nano tube and the conductive macromolecules. A synthesis method includes the following steps: dispersing the acid-treated carbon nanometer tube into water, adding diluted hydrochloric acid, adjusting to certain pH, adding tin chloride, and stirring for a period of time at certain temperature; then, adding sodium lauryl ether sulfate, macromolecular monomers and oxidant sequentially at the room temperature, stirring and reacting for 4-6 hours to obtain products the centrifugation and drying. The operation method is simple and can synthesize the composite coaxial nanometer cable composed of the tin oxide, the carbon nano tube and the conductive macromolecules easily and fast.
Description
Technical field
The present invention relates to a kind of coaxial nano cable composite material and preparation method thereof, especially relate to a kind of by the molecular a kind of multiple coaxial nano cable preparation method of tin oxide, CNT and conductive polymer.
Background technology
The outer field electronic structure of tin atom ground state is 5s25p2, and its four valence electron and oxygen form the stannous chloride of tetravalence, belong to tetragonal crystal system.Tin ash is widely used in transparent conductive material, gas sensing electrode, storage of solar energy material and selective opening oxidation catalyst, especially efficient lithium rechargeable battery field of materials.
The technology of preparing forefathers of CNT, tin oxide composite material have done more exploration; CNT is because the conductivity of its superelevation; With tin oxide and CNT compound after; The conductivity of composite material has obtained the raising of more degree, and this kind composite material has all obtained higher performance at gas sensitive device in the lithium battery.
Tin oxide is during as lithium ion battery negative material; In the lithium ion displacement reaction; Volume takes place to change greatly, and macroscopical mechanical performance of tin ash itself makes it to withstand the stress that produces therefrom, and electrode deforms easily and ftractures; Thereby structure is caved in, and decreased performance is obvious.
CNT, tin oxide composite material can not solve the tin oxide drawback that change in volume is brought in charge and discharge process as ion secondary battery cathode material lithium, and this material is after discharging and recharging certain circulation, and chemical property descends obviously.
Summary of the invention
Technical problem to be solved by this invention provide a kind of succinctly, the preparation method of the multiple coaxial nano cable of synthesizing tin oxide, CNT, conducting polymer fast; In the resulting nano coaxial cable composite material; Part tin ash is filled in CNT inside; Part tin ash evenly is coated on the CNT outside, and outermost also is enclosed with one deck conducting polymer in addition.
The technical scheme that the present invention solves the problems of the technologies described above employing is: a kind of composite Nano coaxial cable, form by tin oxide, CNT and conducting polymer.
Further, described CNT is SWCN or multi-walled carbon nano-tubes, and its diameter is in the 20-100 nanometer, and length is at 200nm-2um.
Further, described conducting polymer is polypyrrole, polyaniline and polythiophene conducting polymer.
The method of a kind of synthesizing tin oxide, CNT, conducting polymer nano coaxial cable composite material, concrete steps are followed successively by:
Step 1 with CNT 120-160 degree backflow 4-6 hour in nitric acid, makes carbon nano tube surface have some hydrophilic groups.
Step 2 is dispersed in the CNT after the acid treatment in the deionized water, through ultrasonic dispersion 20-40 minute, forms the suspension of CNT.
Step 3 adds a small amount of watery hydrochloric acid in above-mentioned suspension, being adjusted to pH is about 2-4.
Step 4 adds a certain amount of stannic chloride in above-mentioned solution system, control reaction temperature is at the 40-60 degree, stirring reaction 2-4 hour.
Step 5 adds a small amount of lauryl sodium sulfate, stirring at room 0.5-1 hour in above-mentioned solution system.
Step 6 adds high polymer monomer and oxidant successively in above-mentioned solution system, reacted 4-6 hour, and through centrifugal, oven dry obtains product.
Further, the acid of handling CNT is nitric acid, the nitration mixture of sulfuric acid or nitric acid and sulfuric acid.
Further, the oxidant that adds in the course of reaction is iron chloride or ammonium persulfate.
Further, the molar ratio of oxidant and high polymer monomer is 2: 1-4: between 1.
The invention has the beneficial effects as follows: method of operation is simple, can be succinctly, the preparation method of synthesizing tin oxide, CNT, the multiple coaxial nano cable of conducting polymer fast.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in the restriction scope of the present invention.Should be understood that in addition those skilled in the art can do various changes or modification to the present invention after the content of having read the present invention's instruction, these equivalent form of values drop on application appended claims institute restricted portion equally.
Embodiment one:
CNT 140 degree in nitric acid were refluxed 4 hours.10mg CNT after the acid treatment is dispersed in the deionized water,, forms the suspension of CNT through ultrasonic dispersion 20-40 minute.In above-mentioned suspension, add 0.13mL watery hydrochloric acid (38%); In above-mentioned solution system, add the 1g stannic chloride;
control reaction temperature is at 40 degree, stirring reaction 2 hours.In above-mentioned solution system, add the 4mg lauryl sodium sulfate; Stir after 30 minutes, in above-mentioned solution, add 20.64uL pyrrole monomer and 0.048g iron oxide, room temperature reaction 4 hours successively; Centrifugal, oven dry obtains tin dioxide/carbon nano tube/polypyrrole nano coaxial cable composite material.
Embodiment two:
CNT 140 degree in nitric acid were refluxed 4 hours.10mg CNT after the acid treatment is dispersed in the deionized water,, forms the suspension of CNT through ultrasonic dispersion 20-40 minute.In above-mentioned suspension, add 0.13mL watery hydrochloric acid (38%); In above-mentioned solution system, add the 1g stannic chloride;
control reaction temperature is at 40 degree, stirring reaction 2 hours.In above-mentioned solution system, add the 4mg lauryl sodium sulfate; Stir after 30 minutes, in above-mentioned solution, add 20.64uL aniline monomer and 0.048g iron oxide, room temperature reaction 4 hours successively; Centrifugal, oven dry obtains tin dioxide/carbon nano tube/polyaniline nano coaxial cable composite material.
Embodiment three:
CNT 140 degree in nitric acid were refluxed 4 hours.10mg CNT after the acid treatment is dispersed in the deionized water,, forms the suspension of CNT through ultrasonic dispersion 20-40 minute.In above-mentioned suspension, add 0.13mL watery hydrochloric acid (38%); In above-mentioned solution system, add the 1g stannic chloride;
control reaction temperature is at 40 degree, stirring reaction 2 hours.In above-mentioned solution system, add the 4mg lauryl sodium sulfate; Stir after 30 minutes, in above-mentioned solution, add 20.64uL thiophene monomer and 0.048g iron oxide, room temperature reaction 4 hours successively; Centrifugal, oven dry obtains tin dioxide/carbon nano tube/polythiophene nano coaxial cable composite material.
Claims (8)
1. composite Nano coaxial cable, it is characterized in that: this cable is made up of tin oxide, CNT and conducting polymer.
2. a kind of composite Nano coaxial cable according to claim 1 is characterized in that: described CNT is SWCN or multi-walled carbon nano-tubes, and its diameter is in the 20-100 nanometer, and length is at 200nm-2um.
3. a kind of composite Nano coaxial cable according to claim 1 is characterized in that: described conducting polymer is polypyrrole, polyaniline and polythiophene conducting polymer.
4. the synthetic method of a composite Nano coaxial cable material; It is characterized in that; Synthetic method may further comprise the steps: be dispersed in the water the CNT after the acid treatment is ultrasonic, add and add stannous chloride after watery hydrochloric acid is adjusted to certain pH, stir a period of time at a certain temperature.At room temperature add lauryl sodium sulfate then successively, high polymer monomer, oxidant stirring reaction 4-6 hour, obtains product through centrifugal, oven dry.
5. a kind of composite Nano coaxial cable according to claim 4 is characterized in that: the acid of handling CNT is nitric acid, the nitration mixture of sulfuric acid or nitric acid and sulfuric acid.
6. a kind of composite Nano coaxial cable according to claim 4 is characterized in that: adding the value that watery hydrochloric acid is adjusted to pH is 2-4.
7. a kind of composite Nano coaxial cable according to claim 4 is characterized in that: the oxidant that adds in the course of reaction is iron chloride or ammonium persulfate.
8. a kind of composite Nano coaxial cable according to claim 4 is characterized in that: the molar ratio of oxidant and high polymer monomer is 2: 1-4: between 1.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633304A (en) * | 2013-12-06 | 2014-03-12 | 福州大学 | Method for preparing coaxially-composite nano material by using carbon nano tube as core |
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| CN101481500A (en) * | 2009-02-11 | 2009-07-15 | 南京大学 | Preparation of conductive polymer / carbon nano-tube composite mesoporous nano-tube |
| CN101525435A (en) * | 2009-03-20 | 2009-09-09 | 西北师范大学 | Polyaniline/carbon nano tube/nanometer silver particle conductive composite material and preparation method thereof |
| CN101568598A (en) * | 2006-12-22 | 2009-10-28 | 第一毛织株式会社 | Electroconductive thermoplastic resin composition and plastic article |
| CN102307807A (en) * | 2008-12-11 | 2012-01-04 | 阿克马法国公司 | Method for manufacturing a SnO2 composite material and carbon nanotubes and/or carbon nanofibres, material obtained by the method, and lithium battery electrode comprising said material |
| CN102408644A (en) * | 2011-09-19 | 2012-04-11 | 上海师范大学 | Carbon nano tube/polymer/semiconductor nano particle composite material and preparation method thereof |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101568598A (en) * | 2006-12-22 | 2009-10-28 | 第一毛织株式会社 | Electroconductive thermoplastic resin composition and plastic article |
| CN102307807A (en) * | 2008-12-11 | 2012-01-04 | 阿克马法国公司 | Method for manufacturing a SnO2 composite material and carbon nanotubes and/or carbon nanofibres, material obtained by the method, and lithium battery electrode comprising said material |
| CN101481500A (en) * | 2009-02-11 | 2009-07-15 | 南京大学 | Preparation of conductive polymer / carbon nano-tube composite mesoporous nano-tube |
| CN101525435A (en) * | 2009-03-20 | 2009-09-09 | 西北师范大学 | Polyaniline/carbon nano tube/nanometer silver particle conductive composite material and preparation method thereof |
| CN102408644A (en) * | 2011-09-19 | 2012-04-11 | 上海师范大学 | Carbon nano tube/polymer/semiconductor nano particle composite material and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103633304A (en) * | 2013-12-06 | 2014-03-12 | 福州大学 | Method for preparing coaxially-composite nano material by using carbon nano tube as core |
| CN103633304B (en) * | 2013-12-06 | 2016-01-27 | 福州大学 | A kind of take carbon nano-tube as the method that core prepares coaxial composite nano materials |
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Application publication date: 20120822 |