CN105111507A - Preparation method and application of bacterial cellulose/polyaniline/carbon nanotube conducting film material - Google Patents
Preparation method and application of bacterial cellulose/polyaniline/carbon nanotube conducting film material Download PDFInfo
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- CN105111507A CN105111507A CN201510566813.1A CN201510566813A CN105111507A CN 105111507 A CN105111507 A CN 105111507A CN 201510566813 A CN201510566813 A CN 201510566813A CN 105111507 A CN105111507 A CN 105111507A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
Abstract
The invention relates to a preparation method and application of a conducting film material, particularly a preparation method and application of a bacterial cellulose/polyaniline/carbon nanotube conducting film material. The method aims to solve the problems of complex preparation technique, high cost, poor stability and poor mechanical properties in the existing flexible electrode material. The method comprises the following steps: preparing a bacterial cellulose slurry; preparing a bacterial cellulose/polyaniline composite material solution, preparing a carbon nanotube water dispersion, carrying out vacuum filtration on the bacterial cellulose/polyaniline composite material solution to form a film, adding the carbon nanotube water dispersion, and continuing vacuum filtration and drying to obtain the bacterial cellulose/polyaniline/carbon nanotube conducting film material which is applicable to supercapacitors. The preparation method can implement large-scale production, and has the advantages of simple preparation technique and low cost. The conducting film material has favorable stability and mechanical properties. The prepared supercapacitor has favorable capacitive character. The bacterial cellulose/polyaniline/carbon nanotube conducting film material belongs to the technical field of nano materials.
Description
Technical field
The present invention relates to a kind of preparation method and application thereof of conducting membrane material.
Background technology
Traditional energy sources approach exhaustion day by day, people are stimulated to go to find the alternative energy and effective energy storage device, and ultracapacitor has high power density and higher energy density, be applied to the field that hybrid electric vehicle, power truck, portable electric appts etc. are important, enjoy people to favor always.
Society is to quick growth that is flexible, flexible equipment energy storage demand, and people are badly in need of research and development inexpensive, soft, flexible ultracapacitor of future generation, and electrode materials is most important integral part.But existing flexible electrode material complicated process of preparation, cost are high, do not possess satisfactory stability and mechanical property.Therefore, Bian with one simple, effectively, environmental protection, the preparation method that is applicable to large-scale production prepare high performance flexible electrode material and be even more important.
Summary of the invention
The object of the invention is to solve existing flexible electrode material complicated process of preparation, cost is high, does not possess the problem of satisfactory stability and mechanical property, preparation method and the application thereof of a kind of bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material are provided.
The preparation method of the present invention's a kind of bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material carries out as follows:
One, be immersed in deionized water for ultrasonic washing after bacteria cellulose being cut into block, be then placed in deionized water, stir and make it be uniformly dispersed, then transfer in refiner and stir, obtain bacteria cellulose slurry;
Two, be that 1mol/L hydrochloric acid soln mixes by aniline monomer and concentration, obtain the hydrochloric acid soln of aniline monomer; In bacteria cellulose slurry, add the hydrochloric acid soln of aniline monomer, stir and aniline monomer and bacteria cellulose are uniformly dispersed, obtain mixed liquor A;
Three, the hydrochloric acid soln being 1mol/L by oxygenant and concentration mixes, and obtains mixed liquid B; Be added drop-wise in mixed liquor A by mixed liquid B with the drop rate of 0.5 ~ 60/s, in-situ oxidizing-polymerizing generates bacteria cellulose polyaniline composite material solution;
Four, in the carbon nanotube of acidifying, add tensio-active agent, then disperse in deionized water, obtain carbon nanotube aqueous dispersions;
Five, by bacteria cellulose polyaniline composite material solution for vacuum suction filtration film forming, then add carbon nanotube aqueous dispersions and continue suction filtration film forming, then put into vacuum drying oven and carry out drying, make bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material; In wherein bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material, in bacteria cellulose and step 2, the mass ratio of aniline monomer is (0.1 ~ 6): 1; In bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material, in bacteria cellulose and step 4, the mass ratio of the carbon nanotube of acidifying is 1:(0.02 ~ 0.2); The mol ratio of aniline monomer and oxygenant is (0.5 ~ 5): 1.
The application of bacteria cellulose of the present invention/Polymerization of Polyaniline/carbon Nanotube conducting membrane material refers to as application of electrode in ultracapacitor.
Bacteria cellulose is obtained by the fermentation of microorganism, its excellent property, aboundresources, environmental friendliness, film has hyperfine reticulated structure, high-crystallinity, high purity, high mechanical strength, the focus of domestic and international Material Field research is become as a kind of emerging environmental friendliness shaped material, bacteria cellulose contains a large amount of hydroxyls, have good wetting ability, easily hydrogen bonded occurs with other water miscible polymers, thus bacteria cellulose has natural advantage as matrix material.
Carbon nanotube is owing to having unique hollow structure, and good electroconductibility and high specific surface area, be considered to one of desirable electrode materials of ultracapacitor, cause and pay close attention to widely.
Electrically conductive polyaniline raw material is easy to get, it is easy, with low cost to synthesize, and has good chemical stability, electroconductibility and fake capacitance energy storage characteristic, is considered to the extremely potential electrode material for super capacitor of one.
Beneficial effect of the present invention: (1) utilizes the characteristic such as the hyperfine network structure of bacteria cellulose and excellent mechanical property, as base load nanometer conductive polymer, can be prepared into ultracapacitor self-supporting flexible electrode; (2) be produced on a large scale, preparation technology be simple, energy-conservation, reaction conditions is gentle, toxicity is little, cheaper starting materials is easy to get that cost is low, conducting membrane material stability and mechanical property good; (3) be directly used as electrode of super capacitor and there is good capacitive character.
Accompanying drawing explanation
The stereoscan photograph of the bacteria cellulose that Fig. 1 obtains for embodiment 1/Polymerization of Polyaniline/carbon Nanotube conducting membrane material;
Fig. 2 is the photo of carbon nanotube aqueous dispersions in embodiment 1;
Cyclic voltammetry curve under the different scanning speed of the working electrode prepared with bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material that Fig. 3 obtains for embodiment 1 in 1M sulfuric acid electrolyte; Wherein a is 2mV/s, b be 5mV/s, c be 8mV/s, d is 10mV/s;
The constant current charge-discharge curve of working electrode in 1M sulfuric acid electrolyte prepared with bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material that Fig. 4 obtains for embodiment 1; Wherein a is 2.5mA/cm
2, b is 5mA/cm
2, c is 9mA/cm
2;
The constant current charge-discharge curve of working electrode in 1M sulfuric acid electrolyte prepared with bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material that Fig. 5 obtains for embodiment 2; Wherein a is 2mA/cm
2, b is 5mA/cm
2, c is 9mA/cm
2;
The working electrode prepared with bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material that Fig. 6 obtains for embodiment 1 ~ 2 in 1M sulfuric acid electrolyte according to the ratio capacitance curve of constant current charge-discharge curve calculation gained, wherein a is BC-PAIN-CNT-1, b is BC-PAIN-CNT-2.
Embodiment
Technical solution of the present invention is not limited to following cited embodiment, also comprises the arbitrary combination between each embodiment.
Embodiment one: the preparation method of present embodiment a kind of bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material carries out as follows:
One, be immersed in deionized water for ultrasonic washing after bacteria cellulose being cut into block, be then placed in deionized water, stir and make it be uniformly dispersed, then transfer in refiner and stir, obtain bacteria cellulose slurry;
Two, be that 1mol/L hydrochloric acid soln mixes by aniline monomer and concentration, obtain the hydrochloric acid soln of aniline monomer; In bacteria cellulose slurry, add the hydrochloric acid soln of aniline monomer, stir and aniline monomer and bacteria cellulose are uniformly dispersed, obtain mixed liquor A;
Three, the hydrochloric acid soln being 1mol/L by oxygenant and concentration mixes, and obtains mixed liquid B; Be added drop-wise in mixed liquor A by mixed liquid B with the drop rate of 0.5 ~ 60/s, in-situ oxidizing-polymerizing generates bacteria cellulose polyaniline composite material solution;
Four, in the carbon nanotube of acidifying, add tensio-active agent, then disperse in deionized water, obtain carbon nanotube aqueous dispersions;
Five, by bacteria cellulose polyaniline composite material solution for vacuum suction filtration film forming, then add carbon nanotube aqueous dispersions and continue suction filtration film forming, then put into vacuum drying oven and carry out drying, make bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material; In wherein bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material, in bacteria cellulose and step 2, the mass ratio of aniline monomer is (0.1 ~ 6): 1; In bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material, in bacteria cellulose and step 4, the mass ratio of the carbon nanotube of acidifying is 1:(0.02 ~ 0.2); The mol ratio of aniline monomer and oxygenant is (0.5 ~ 5): 1.
In present embodiment, bacteria cellulose is commercially available prod.
Bacteria cellulose is obtained by the fermentation of microorganism, its excellent property, aboundresources, environmental friendliness, film has hyperfine reticulated structure, high-crystallinity, high purity, high mechanical strength, the focus of domestic and international Material Field research is become as a kind of emerging environmental friendliness shaped material, bacteria cellulose contains a large amount of hydroxyls, have good wetting ability, easily hydrogen bonded occurs with other water miscible polymers, thus bacteria cellulose has natural advantage as matrix material.
Carbon nanotube is owing to having unique hollow structure, and good electroconductibility and high specific surface area, be considered to one of desirable electrode materials of ultracapacitor, cause and pay close attention to widely.
Electrically conductive polyaniline raw material is easy to get, it is easy, with low cost to synthesize, and has good chemical stability, electroconductibility and fake capacitance energy storage characteristic, is considered to the extremely potential electrode material for super capacitor of one.
The beneficial effect of present embodiment: (1) utilizes the characteristic such as the hyperfine network structure of bacteria cellulose and excellent mechanical property, as base load nanometer conductive polymer, can be prepared into ultracapacitor self-supporting flexible electrode; (2) be produced on a large scale, preparation technology be simple, energy-conservation, reaction conditions is gentle, toxicity is little, cheaper starting materials is easy to get that cost is low, conducting membrane material stability and mechanical property good; (3) be directly used as electrode of super capacitor and there is good capacitive character.
Embodiment two: present embodiment and embodiment one unlike: described bacteria cellulose is bacteria cellulose scrap stock.Other is identical with embodiment one.
Embodiment three: present embodiment and embodiment one or two unlike: the condition of the supersound washing described in step one is ultrasonic time 10h, and each hour changes deionized water.Other is identical with embodiment one or two.
Embodiment four: one of present embodiment and embodiment one to three unlike: the integral molar quantity of step 2 and step 3 hydrochloric acid soln and the mol ratio of aniline monomer are 1:(0.01 ~ 0.2).Other is identical with one of embodiment one to three.
Embodiment five: one of present embodiment and embodiment one to four unlike: the oxygenant described in step 3 is ammonium persulphate.Other is identical with one of embodiment one to four.
Embodiment six: present embodiment and one of embodiment one to five unlike: the in-situ oxidizing-polymerizing described in step 3 is polymerized in ice-water bath, and the reaction times is 20h.Other is identical with one of embodiment one to five.
Embodiment seven: one of present embodiment and embodiment one to six unlike: the carbon nanotube of the acidifying described in step 4 and the mass ratio of tensio-active agent are 1:(0.2 ~ 3).Other is identical with one of embodiment one to six.
Embodiment eight: one of present embodiment and embodiment one to seven unlike: the tensio-active agent described in step 4 is Sodium dodecylbenzene sulfonate.Other is identical with one of embodiment one to seven.
Embodiment nine: one of present embodiment and embodiment one to eight unlike: the preparation method of the carbon nanotube of the acidifying described in step 4 be by carbon nanotube in mass concentration be 64% nitric acid in supersound process 5 ~ 24h, with deionized water wash, suction filtration is dry.Other is identical with one of embodiment one to eight.
Embodiment ten: the application of present embodiment bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material refers to as application of electrode in ultracapacitor.
Beneficial effect of the present invention is verified by following examples:
The preparation method of embodiment 1, the present embodiment bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material, comprise the following steps: after one, commercially available for 10g bacteria cellulose being cut into block, be immersed in deionized water for ultrasonic washing 10h, and each hour replacing deionized water, then deionized water is placed in, stirring makes it be uniformly dispersed, transfer to the speed of per minute 12000 turns in refiner again, stir 5min, obtain bacteria cellulose slurry;
Two, be that 1mol/L hydrochloric acid soln mixes by 0.1g aniline monomer and 20mL concentration, obtain the hydrochloric acid soln of aniline monomer; In bacteria cellulose slurry, add the hydrochloric acid soln of 0.1mL aniline monomer, stir and aniline monomer and bacteria cellulose are uniformly dispersed, obtain mixed liquor A;
Three, the hydrochloric acid soln being 1mol/L by 0.228g ammonium persulphate and 20mL concentration mixes, and obtains mixed liquid B; Mixed liquid B is added drop-wise in mixed liquor A with the drop rate of 10/s, is polymerized in ice-water bath, reaction times 20h, generate bacteria cellulose polyaniline composite material solution;
Four, in the carbon nanotube of 0.008g acidifying, add 0.02g Sodium dodecylbenzene sulfonate, then disperse in deionized water, obtain carbon nanotube aqueous dispersions;
Five, by bacteria cellulose polyaniline composite material solution for vacuum suction filtration film forming, then add carbon nanotube aqueous dispersions and continue suction filtration film forming, then put into vacuum drying oven and carry out drying, make bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material.
After vacuum filtration and vacuum-drying, in bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material, the quality of bacteria cellulose is 0.3g.
Bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material is cut into 1.5cm × 2cm rectangle, directly be used as ultracapacitor working electrode, platinized platinum, as to electrode, with silver/silver chloride electrode for reference electrode, tests the capacitance characteristic of self-supporting flexible membrane material electrode materials.Test specimens product are labeled as BC-PAIN-CNT-1.
Field emission scanning electron microscope observation is carried out to bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material that the present embodiment obtains, result see Fig. 1, as shown in Figure 1, the more uniform carbon nanotube of mould material surface coverage one deck that the present invention obtains.
As shown in Figure 2, as shown in Figure 2, carbon nano tube dispersion liquid has good dispersiveness to the photo of the present embodiment carbon nanotube aqueous dispersions.
Electrode prepared by the bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material obtained the present embodiment carries out the cyclic voltammetric performance test without sweep velocity in 1M sulfuric acid electrolyte, and result is see Fig. 3.Demonstrating the scanning potential region of polyaniline that difference sweeps speed in figure is-0.1 ~ 0.7V.There are obvious two pairs of redox peaks in figure, formed by conversion between semi-conductive state and conductive polyaniline, show the fake capacitance behavior of conductive polymers.
Electrode prepared by the bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material obtained the present embodiment carries out constant current charge-discharge performance test in sulfuric acid electrolyte, and result is see Fig. 4.As shown in Figure 4, curve table reveals good trilateral.
Embodiment 2: the preparation method of the present embodiment bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material, comprise the following steps: after one, the scrap stock of commercially available for 10g bacteria cellulose being cut into block, be immersed in deionized water for ultrasonic washing 10h, and each hour replacing deionized water, then deionized water is placed in, stirring makes it be uniformly dispersed, transfer to the speed of per minute 12000 turns in refiner again, stir 5min, obtain bacteria cellulose slurry;
Two, be that 1mol/L hydrochloric acid soln mixes by 0.3g aniline monomer and 60mL concentration, obtain the hydrochloric acid soln of aniline monomer; In bacteria cellulose slurry, add the hydrochloric acid soln of 0.1mL aniline monomer, stir and aniline monomer and bacteria cellulose are uniformly dispersed, obtain mixed liquor A;
Three, the hydrochloric acid soln being 1mol/L by 0.684g ammonium persulphate and 60mL concentration mixes, and obtains mixed liquid B; Mixed liquid B is added drop-wise in mixed liquor A with the drop rate of 10/s, is polymerized in ice-water bath, reaction times 20h, generate bacteria cellulose polyaniline composite material solution;
Four, by carbon nanotube in mass concentration be 64% nitric acid in supersound process acidifying in 10 hours, with deionized water wash 3 times, suction filtration is dry, obtain the carbon nanotube of acidifying, 0.03g Sodium dodecylbenzene sulfonate is added in the carbon nanotube of 0.015g acidifying, then disperse in deionized water, to obtain carbon nanotube aqueous dispersions;
Five, by bacteria cellulose polyaniline composite material solution for vacuum suction filtration film forming, then add carbon nanotube aqueous dispersions and continue suction filtration drying, make bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material.
After vacuum filtration and vacuum-drying, in bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material, the quality of bacteria cellulose is 0.3g.
Acquisition bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material is cut into 1.5cm × 2cm rectangle, directly be used as ultracapacitor working electrode, platinized platinum, as to electrode, with silver/silver chloride electrode for reference electrode, tests the capacitance characteristic of self-supporting flexible membrane material electrode materials.Test specimens product are labeled as BC-PAIN-CNT-2.
Electrode prepared by the bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material obtained the present embodiment carries out constant current charge-discharge performance test in 1M sulfuric acid electrolyte, and result is see Fig. 5.As shown in Figure 5, curve table reveals good trilateral.
The working electrode prepared with bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material that embodiment 1 ~ 2 obtains in 1M sulfuric acid electrolyte according to the ratio capacitance curve of constant current charge-discharge curve calculation gained as shown in Figure 6, as shown in Figure 6, BC-PAIN-CNT-1 tests, at 2mA/cm according to constant current charge-discharge
2the ratio capacitance obtained is 0.98F/cm
2.BC-PAIN-CNT-2 tests, at 2mA/cm according to constant current charge-discharge
2the ratio capacitance obtained is 18.2F/cm
2.
Embodiment 1 ~ 2 utilizes the characteristic such as the hyperfine network structure of bacteria cellulose and excellent mechanical property, as base load nanometer conductive polymer, can be prepared into ultracapacitor self-supporting flexible electrode; Be produced on a large scale, preparation technology be simple, energy-conservation, reaction conditions is gentle, toxicity is little, cheaper starting materials is easy to get that cost is low, conducting membrane material stability and mechanical property good; Directly be used as electrode of super capacitor and there is good capacitive character.
Claims (10)
1. a preparation method for bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material, is characterized in that the method is carried out as follows:
One, be immersed in deionized water for ultrasonic washing after bacteria cellulose being cut into block, be then placed in deionized water, stir and make it be uniformly dispersed, then transfer in refiner and stir, obtain bacteria cellulose slurry;
Two, be that 1mol/L hydrochloric acid soln mixes by aniline monomer and concentration, obtain the hydrochloric acid soln of aniline monomer; In bacteria cellulose slurry, add the hydrochloric acid soln of aniline monomer, stir and aniline monomer and bacteria cellulose are uniformly dispersed, obtain mixed liquor A;
Three, the hydrochloric acid soln being 1mol/L by oxygenant and concentration mixes, and obtains mixed liquid B; Be added drop-wise in mixed liquor A by mixed liquid B with the drop rate of 0.5 ~ 60/s, in-situ oxidizing-polymerizing generates bacteria cellulose polyaniline composite material solution;
Four, in the carbon nanotube of acidifying, add tensio-active agent, then disperse in deionized water, obtain carbon nanotube aqueous dispersions;
Five, by bacteria cellulose polyaniline composite material solution for vacuum suction filtration film forming, then add carbon nanotube aqueous dispersions and continue suction filtration film forming, then put into vacuum drying oven and carry out drying, make bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material; In wherein bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material, in bacteria cellulose and step 2, the mass ratio of aniline monomer is (0.1 ~ 6): 1; In bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material, in bacteria cellulose and step 4, the mass ratio of the carbon nanotube of acidifying is 1:(0.02 ~ 0.2); The mol ratio of aniline monomer and oxygenant is (0.5 ~ 5): 1.
2. the preparation method of a kind of bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material according to claim 1, is characterized in that the bacteria cellulose described in step one is bacteria cellulose scrap stock.
3. the preparation method of a kind of bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material according to claim 1, is characterized in that the condition of the supersound washing described in step one is ultrasonic time 10h, and each hour changes deionized water.
4. the preparation method of a kind of bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material according to claim 1, is characterized in that the integral molar quantity of step 2 and step 3 hydrochloric acid soln and the mol ratio of aniline monomer are 1:(0.01 ~ 0.2).
5. the preparation method of a kind of bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material according to claim 1, is characterized in that the oxygenant described in step 3 is ammonium persulphate.
6. the preparation method of a kind of bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material according to claim 1, it is characterized in that the in-situ oxidizing-polymerizing described in step 3 is polymerized in ice-water bath, the reaction times is 20h.
7. the preparation method of a kind of bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material according to claim 1, is characterized in that the carbon nanotube of the acidifying described in step 4 and the mass ratio of tensio-active agent are 1:(0.2 ~ 3).
8. the preparation method of a kind of bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material according to claim 1 or 7, is characterized in that the tensio-active agent described in step 4 is Sodium dodecylbenzene sulfonate.
9. the preparation method of a kind of bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material according to claim 1, it is characterized in that the preparation method of the carbon nanotube of the acidifying described in step 4 be by carbon nanotube in mass concentration be 64% nitric acid in supersound process 5 ~ 24h, with deionized water wash, suction filtration is dry.
10. the application of bacteria cellulose/Polymerization of Polyaniline/carbon Nanotube conducting membrane material that obtains of preparation method as claimed in claim 1, is characterized in that this conducting membrane material as application of electrode in ultracapacitor.
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