CN103500597B - A kind of solar energy back aluminum slurry based on functionalization graphene and preparation method thereof - Google Patents
A kind of solar energy back aluminum slurry based on functionalization graphene and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of solar energy back aluminum slurry based on functionalization graphene and preparation method, solar energy the back of the body aluminium paste by 65% ~ 73% aluminium powder, the glass dust of 1% ~ 3%, functionalization graphene dispersion liquid containing the pure Graphene of 0.12% ~ 0.15% functionalization, the organic carrier of 20% ~ 30%, auxiliary agent and the balance diluents of 3% ~ 5% are prepared from; Wherein, coupling agent is utilized to carry out modification to graphene oxide, modified graphene oxide is obtained by reacting by coupling agent and graphene oxide, again modified graphene oxide is reduced, functionalization graphene described in acquisition, functionalization graphene be dispersed in after ultrasonic process mass ratio be 5.5 ~ 6.5: 1 terpinol and butyl carbitol in, form functionalization graphene dispersion liquid, preparation method is by above-mentioned raw material mixing, grinding, vacuum defoamation.Solar energy back aluminum slurry printing rate is high, adhesive force good, good conductivity, the good and good weatherability of bending resistance.
Description
Technical field
The present invention relates to solar energy back aluminum slurry and preparation method thereof.
Background technology
Graphene has unique structure and the excellent performance such as electricity, calorifics, mechanics, after successfully being prepared, is a study hotspot in the inherent application of worldwide since 2004 always.Graphene is a kind of semiconductor not having energy gap, has the carrier mobility of higher than silicon 100 times, at room temperature has micron order free path and large coherence length, and therefore Graphene is the ideal material of nanometric circuit.Graphene has good thermal conductivity, and its thermal conductivity can reach 5300WmK
-1), high conductivity, its electron mobility is all more than 15000m2V
-1s
-1, high strength, up to the specific area of 110GPa and super large, can reach 2630m
2/ g.The performance of these excellences makes Graphene and composite material thereof have broad application prospects in fields such as electrochemical field, nano electron device, gas sensor, stored energies.
Existing solar energy back aluminum slurry printing rate is low, adhesive force is bad, conductivity is bad, bending resistance is poor, weatherability is poor, price is low, and Graphene is mono-layer graphite, raw material is easy to get, low price, and therefore, Graphene is expected to replace carbon nano-tube to become the high quality filler of Polymers carbon nano-composite material.Graphene, because of its excellent conduction, thermal conductivity, can improve the combination property of solar battery back aluminium to a great extent.But because the specific area of Graphene is large, very easily reunite, be dissolved in most organic solvent hardly, bad dispersibility in polymeric matrix, therefore, the enhancing effect of Graphene in polymer composites is restricted, and also limit its further application in solar cell size field.
Summary of the invention
For solving Graphene bad dispersibility in polymeric matrix, existing solar energy back aluminum slurry printing rate is low, adhesive force is bad, conductivity is bad, the technical problem that bending resistance is poor and weatherability is poor, the invention provides a kind of solar energy back aluminum slurry based on functionalization graphene and preparation method thereof.
The technical scheme solved the problems of the technologies described above is: a kind of solar energy back aluminum slurry based on functionalization graphene, by weight percentage, by the aluminium powder of 65% ~ 73%, the glass dust of 1% ~ 3%, functionalization graphene dispersion liquid containing the pure Graphene of 0.12% ~ 0.15% functionalization, the organic carrier of 20% ~ 30%, auxiliary agent and the balance diluents of 3% ~ 5% are prepared from; Wherein, coupling agent is utilized to carry out modification to graphene oxide, modified graphene oxide is obtained by reacting by coupling agent and graphene oxide, again modified graphene oxide is reduced, functionalization graphene described in acquisition, functionalization graphene be dispersed in after ultrasonic process mass ratio be 5.5 ~ 6.5: 1 terpinol and butyl carbitol in, form functionalization graphene dispersion liquid.
Preparation method based on the solar energy back aluminum slurry of functionalization graphene: first utilize coupling agent to carry out modification to graphene oxide, modified graphene oxide is obtained by reacting by coupling agent and graphene oxide, again modified graphene oxide is reduced, functionalization graphene described in acquisition, functionalization graphene be dispersed in after ultrasonic process mass ratio be 5.5 ~ 6.5: 1 terpinol and butyl carbitol in, form functionalization graphene dispersion liquid; By weight percentage, by the aluminium powder of 65% ~ 73%, the glass dust of 1% ~ 3%, functionalization graphene dispersion liquid containing the pure Graphene of 0.12% ~ 0.15% functionalization, the organic carrier of 20% ~ 30%, the auxiliary agent of 3% ~ 5% and balance diluents adopt three-dimensional hybrid technology, the shearing force produced by revolution and rotation, realize fully mixing; Finally with three-roller grinding 2 ~ 3 times, after fineness reaches 10 μm, vacuum defoamation 13-17 minute.
Further, described coupling agent is selected from A-187, A-1100 or A-174; Wherein, the preparation process of functionalization graphene is: utilize coupling agent to carry out modification to graphene oxide, modified graphene oxide is obtained by reacting: be dissolved in by modified graphene oxide in the mixed solution of deionized water and absolute ethyl alcohol by coupling agent and graphene oxide, after ultrasonic 35-45min, the absolute ethyl alcohol containing coupling agent is under agitation slowly added, add rear continuation reaction, the paste product obtained, then absolute ethanol washing is used, to remove unnecessary coupling agent, spend deionized water again, use oven for drying after filtering; Again it is reduced, is placed in ceramic crucible by modified graphene oxide, after put into Muffle furnace, obtain functionalization graphene after grinding distribution.
Further, described aluminium powder is that the spherical aluminium powder of 2.5 ~ 2.65:1 and ball aluminum powder form by weight ratio, and wherein, the particle size of spherical aluminium powder is 4 ~ 7 μm, and the particle size of ball aluminum powder is 1 ~ 3 μm.
Further, by weight percentage, glass dust is made up of 25-35% bismuth oxide, 5-15% boron oxide, 21-39% silica, 5-30% zinc oxide, 1-10% aluminium oxide, 1-10% titanium oxide, 1-10% antimony oxide, wherein the particle diameter of glass dust is 2 ~ 5 μm, and softening point is 550 ~ 600 DEG C.
Further, organic carrier is the mixture of one or more and diluent in methylcellulose, ethyl cellulose, modification ethyl cellulose.
Further, auxiliary agent comprises defoamer, levelling agent, dispersant, thixotropic agent, adhesion promoter and antioxidant.
Further, defoamer is selected from silicone based; Levelling agent is selected from polyether-modified Dimethicone Copolyol body class; Dispersant is selected from zinc stearate or lecithin; Thixotropic agent is selected from rilanit special, castor oil or polyamide wax; Described adhesion promoter is selected from phthalate coupling agent or silane coupler; Antioxidant is selected from TNPP, phosphorous acid esters, Hinered phenols antioxidant.
Further, diluent is selected from one or more the mixture in terpinol, butyl carbitol, benzinum, 200# solvent naphtha, diethylene glycol ether acetate, citric acid tri butyl ester.
The invention has the beneficial effects as follows:
(1) owing to utilizing coupling agent to carry out modification to graphene oxide, modified graphene oxide is obtained by reacting by coupling agent and graphene oxide, again modified graphene oxide is reduced, thus acquisition functionalization graphene, this functionalization graphene is not easily reunited, be dissolved in most organic solvent, solve the technical barrier that Graphene in polymeric matrix is difficult to disperse, Graphene well can be utilized in solar energy back aluminum slurry, cause conducting electricity very well of this solar energy aluminum slurry, make the conversion efficiency of solar cell high.
(2) back aluminum slurry of the present invention has excellent printing performance and chemical resistance, and Fine line resolution, up to 40 ~ 50 μm, can print very ultra-fine silver-colored line.
(3) back aluminum slurry of the present invention has splendid adhesive force to the similar base material such as monocrystalline silicon, polycrystalline silicon battery plate, does not have silver powder particle and comes off.
(4) back aluminum slurry solidfied material has excellent pliability, can realize good thermal expansion matching, not warpage with crystal silicon chip.
(5) back aluminum slurry good stability of the present invention, good weatherability; Can with front electrode slurry co-sintering, have surface smoothing after sintering, adhesive force is high, and warpage is low, the special advantage that conversion efficiency is high.
(6) back aluminum slurry solvent in sintering process volatilizees in gradient, avoids single boiling point solvent and causes pore, the mass defects such as fold in a certain temperature section concentrations volatilization.
Embodiment
Below in conjunction with embodiment, the present invention is further elaborated.
By weight percentage, based on functionalization graphene solar energy back aluminum slurry by 65% ~ 73% aluminium powder, the glass dust of 1% ~ 3%, functionalization graphene dispersion liquid containing the pure Graphene of 0.12% ~ 0.15% functionalization, the organic carrier of 20% ~ 30%, auxiliary agent and the balance diluents of 3% ~ 5% are prepared from.
Described aluminium powder is that the spherical aluminium powder of 2.5 ~ 2.65:1 and ball aluminum powder form by weight ratio, and wherein, the particle size of spherical aluminium powder is 4 ~ 7 μm, and the particle size of ball aluminum powder is 1 ~ 3 μm.
By weight percentage, glass dust is made up of 25-35% bismuth oxide, 5-15% boron oxide, 21-39% silica, 5-30% zinc oxide, 1-10% aluminium oxide, 1-10% titanium oxide, 1-10% antimony oxide, wherein the particle diameter of glass dust is 2 ~ 5 μm, and softening point is 550 ~ 600 DEG C.
Organic carrier is the mixture of one or more and diluent in methylcellulose, ethyl cellulose, modification ethyl cellulose.
Auxiliary agent comprises defoamer, levelling agent, dispersant, thixotropic agent, adhesion promoter and antioxidant.Defoamer is selected from silicone based; Levelling agent is selected from polyether-modified Dimethicone Copolyol body class, preferably
-330 or
-333; Dispersant is selected from zinc stearate or lecithin; Thixotropic agent is selected from rilanit special, castor oil or polyamide wax; Described adhesion promoter is selected from phthalate coupling agent or silane coupler; Antioxidant is selected from TNPP, phosphorous acid esters, Hinered phenols antioxidant.
Diluent is selected from one or more the mixture in terpinol, butyl carbitol, benzinum, 200# solvent naphtha, diethylene glycol ether acetate, citric acid tri butyl ester.
Embodiment 1.
First functionalization graphene dispersion liquid is prepared, its process is: utilize A-187 coupling agent to carry out modification to graphene oxide, modified graphene oxide is obtained by reacting: 50 parts of modified graphene oxides being dissolved in 40 parts of volume ratios by quality is in the deionized water of 1:1 and the mixed solution of absolute ethyl alcohol by A-187 coupling agent and graphene oxide, be that the absolute ethyl alcohol that 40g/L contains coupling agent under agitation slowly adds by 5 parts of concentration after ultrasonic 40min, add rear continuation reaction 18h, absolute ethanol washing 3 times are used after the paste product obtained, to remove unnecessary coupling agent, spend deionized water again and filter rear 60 DEG C of oven for drying for 5 times, through the modified covalent bond that formed to each other, the thermal stability of modified graphene oxide is significantly improved, again it is reduced, modified graphene oxide is placed in ceramic crucible, put into 1060 DEG C of Muffle furnaces, take out after 40 seconds, after grinding distribution, obtain functionalization graphene, in the terpinol that functionalization graphene is dispersed in mass ratio 5.5: 1 after ultrasonic process and butyl carbitol, form functionalization graphene dispersion liquid.
Then prepare organic carrier, concrete process is: the methylcellulose of 75kg and the terpinol of 175kg are stirred 60 DEG C of heating, under vacuum degree is-0.02MPa condition, vacuumizing and defoaming 9 minutes, is mixed with organic carrier.
Adding by weight ratio in organic carrier is 650kg aluminium powder, the bismuth oxide of 7.5kg, the boron oxide of 4.5kg, the silica of 11.7kg, the zinc oxide of 1.5kg, the aluminium oxide of 0.3kg, titanium oxide, the antimony oxide of 3kg, the above-mentioned functionalization graphene dispersion liquid of corresponding mass, the silicone based, the 6kg of 3kg containing 1.2kg functionalization graphene prepared of 1.5kg that the spherical aluminium powder of 2.5:1 and ball aluminum powder form
-330, the butyl carbitol of the rilanit special of the zinc stearate of 4kg, 7kg, the adhesion promoter of 5kg, the phosphorous acid esters of 5kg and 38.8kg adopts three-dimensional hybrid technology, the shearing force produced by revolution and rotation, and realization fully mixes; Finally with three-roller grinding 2 ~ 3 times, after fineness reaches 10 μm, vacuum defoamation 17 minutes.
Embodiment 2.
First functionalization graphene dispersion liquid is prepared, its process is: utilize A-1100 coupling agent to carry out modification to graphene oxide, modified graphene oxide is obtained by reacting: 50 parts of modified graphene oxides being dissolved in 40 parts of volume ratios by quality is in the deionized water of 1:1 and the mixed solution of absolute ethyl alcohol by A-1100 coupling agent and graphene oxide, be that the absolute ethyl alcohol that 40g/L contains coupling agent under agitation slowly adds by 5 parts of concentration after ultrasonic 40min, add rear continuation reaction 18h, absolute ethanol washing 3 times are used after the paste product obtained, to remove unnecessary coupling agent, spend deionized water again and filter rear 60 DEG C of oven for drying for 5 times, through the modified covalent bond that formed to each other, the thermal stability of modified graphene oxide is significantly improved, again it is reduced, modified graphene oxide is placed in ceramic crucible, put into 1060 DEG C of Muffle furnaces, take out after 40 seconds, after grinding distribution, obtain functionalization graphene, in the terpinol that functionalization graphene is dispersed in mass ratio 6.5: 1 after ultrasonic process and butyl carbitol, form functionalization graphene dispersion liquid.
Then organic carrier is prepared, concrete process is: the modification ethyl cellulose of the ethyl cellulose of 40kg, 40kg and the 200# solvent naphtha of 120kg are stirred 80 DEG C of heating, under vacuum degree is-0.015MPa condition, vacuumizing and defoaming 10 minutes, is mixed with organic carrier.
Adding by weight ratio in organic carrier is 730kg aluminium powder, the bismuth oxide of 3.5kg, the boron oxide of 0.5kg, the silica of 2.1kg, the zinc oxide of 1.8kg, the aluminium oxide of 1kg, titanium oxide, the antimony oxide of 0.1kg, the above-mentioned functionalization graphene dispersion liquid of corresponding mass, the silicone based, the 12kg of 8kg containing 1.5kg functionalization graphene prepared of 1kg that the spherical aluminium powder of 2.65:1 and ball aluminum powder form
-333, the citric acid tri butyl ester of the castor oil of the lecithin of 10kg, 15kg, the adhesion promoter of 2kg, TNPP and 8.5kg of 3kg adopts three-dimensional hybrid technology, the shearing force produced by revolution and rotation, and realization fully mixes; Finally with three-roller grinding 2 ~ 3 times, after fineness reaches 10 μm, vacuum defoamation 13 minutes.
Embodiment 3.
First functionalization graphene dispersion liquid is prepared, its process is: utilize A-174 coupling agent to carry out modification to graphene oxide, modified graphene oxide is obtained by reacting: 50 parts of modified graphene oxides being dissolved in 40 parts of volume ratios by quality is in the deionized water of 1:1 and the mixed solution of absolute ethyl alcohol by A-174 coupling agent and graphene oxide, be that the absolute ethyl alcohol that 40g/L contains coupling agent under agitation slowly adds by 5 parts of concentration after ultrasonic 40min, add rear continuation reaction 18h, absolute ethanol washing 3 times are used after the paste product obtained, to remove unnecessary coupling agent, spend deionized water again and filter rear 60 DEG C of oven for drying for 5 times, through the modified covalent bond that formed to each other, the thermal stability of modified graphene oxide is significantly improved, again it is reduced, modified graphene oxide is placed in ceramic crucible, put into 1060 DEG C of Muffle furnaces, take out after 40 seconds, after grinding distribution, obtain functionalization graphene, in the terpinol that functionalization graphene is dispersed in mass ratio 6: 1 after ultrasonic process and butyl carbitol, form functionalization graphene dispersion liquid.
Then organic carrier is prepared, concrete process is: the modification ethyl cellulose of the ethyl cellulose of the methylcellulose of 30kg, 50kg, 40kg and the citric acid tri butyl ester of 80kg, the butyl carbitol of 100kg are stirred 80 DEG C of heating, under vacuum degree is-0.022MPa condition, vacuumizing and defoaming 12 minutes, is mixed with organic carrier.
Adding by weight ratio in organic carrier is 650kg aluminium powder, the bismuth oxide of 2.8kg, the boron oxide of 0.6kg, the silica of 2.2kg, the zinc oxide of 3kg, the aluminium oxide of 0.5kg, titanium oxide, the antimony oxide of 0.8kg, the above-mentioned functionalization graphene dispersion liquid of corresponding mass, the silicone based, the 6kg of 5kg containing 1.5kg functionalization graphene prepared of 0.1kg that the spherical aluminium powder of 2.59:1 and ball aluminum powder form
-333, the citric acid tri butyl ester of the polyamide wax of the zinc stearate of 3kg, 4kg, the adhesion promoter of 5kg, the Hinered phenols antioxidant of 7kg and 8.7kg adopts three-dimensional hybrid technology, the shearing force produced by revolution and rotation, and realization fully mixes; Finally with three-roller grinding 2 ~ 3 times, after fineness reaches 10 μm, vacuum defoamation 13 minutes.
The back of the body aluminium paste of embodiment 1 to embodiment 3 prepared is dried through silk screen printing, printing on silicon solar cell production line, after co-sintering forms silicon solar cell, observes solar battery sheet state and measure warpage, open circuit voltage (Voc), short circuit current (Isc), string resistance (Rs) hinder the parameters such as (Rsh), fill factor, curve factor (FF) and light conversion efficiency (Eff).Test result contrasts testing result as following table 1 with the aluminium paste not adding Graphene:
See table 1, by the test to embodiment 1,2 and 3, just the data of embodiment and existing data are compared, and solar energy back of the body aluminium paste combination property of the present invention is good.Owing to utilizing coupling agent, modification is carried out to graphene oxide, modified graphene oxide is obtained by reacting by coupling agent and graphene oxide, again modified graphene oxide is reduced, thus acquisition functionalization graphene, this functionalization graphene is not easily reunited, be dissolved in most organic solvent, solve the technical barrier that Graphene in polymeric matrix is difficult to disperse, Graphene well can be utilized in solar energy back aluminum slurry, cause conducting electricity very well of this solar energy aluminum slurry, make the conversion efficiency of solar cell high.Be convenient to printing, adhesion property is good.In experimentation, this solar energy back of the body aluminium paste is at its flexibility < 1mm of trial application vernier calliper dipstick metering, and back surface field is smooth, without aluminium bag, and the bad order phenomenons such as aluminium pill.Assembly EVA bonds aluminium film without cutting from phenomenon.
Experimental result shows, compared with not adding the aluminium paste of Graphene, when the content of functionalization graphene is 0.12%, the adhesive strength of composite material improves about 10%, and conversion efficiency improves about 0.2.
Table 1: testing result contrast table
Claims (8)
1. the solar energy back aluminum slurry based on functionalization graphene, it is characterized in that: by weight percentage, by the aluminium powder of 65% ~ 73%, the glass dust of 1% ~ 3%, functionalization graphene dispersion liquid containing the pure Graphene of 0.12% ~ 0.15% functionalization, the organic carrier of 20% ~ 30%, auxiliary agent and the balance diluents of 3% ~ 5% are prepared from; Wherein, coupling agent is utilized to carry out modification to graphene oxide, modified graphene oxide is obtained by reacting by coupling agent and graphene oxide, again modified graphene oxide is reduced, functionalization graphene described in acquisition, functionalization graphene be dispersed in after ultrasonic process mass ratio be 5.5 ~ 6.5: 1 terpinol and butyl carbitol in, form functionalization graphene dispersion liquid; By weight percentage, glass dust is made up of 25-35% bismuth oxide, 5-15% boron oxide, 21-39% silica, 5-30% zinc oxide, 1-10% aluminium oxide, 1-10% titanium oxide, 1-10% antimony oxide, wherein the particle diameter of glass dust is 2 ~ 5 μm, and softening point is 550 ~ 600 DEG C.
2., according to claim 1 based on the solar energy back aluminum slurry of functionalization graphene, it is characterized in that: described coupling agent is selected from A-187, A-1100 or A-174; Wherein, the preparation process of functionalization graphene is: utilize coupling agent to carry out modification to graphene oxide, modified graphene oxide is obtained by reacting: be dissolved in by modified graphene oxide in the mixed solution of deionized water and absolute ethyl alcohol by coupling agent and graphene oxide, after ultrasonic 35-45min, the absolute ethyl alcohol containing coupling agent is under agitation slowly added, add rear continuation reaction, the paste product obtained, then absolute ethanol washing is used, to remove unnecessary coupling agent, spend deionized water again, use oven for drying after filtering; Again it is reduced, be placed in ceramic crucible by modified graphene oxide, and put into Muffle furnace, after grinding distribution, obtain functionalization graphene.
3. the solar energy back aluminum slurry based on functionalization graphene according to claim 1, it is characterized in that: described aluminium powder is that the spherical aluminium powder of 2.5 ~ 2.65:1 and ball aluminum powder form by weight ratio, wherein, the particle size of spherical aluminium powder is 4 ~ 7 μm, and the particle size of ball aluminum powder is 1 ~ 3 μm.
4. the solar energy back aluminum slurry based on functionalization graphene according to claim 1, is characterized in that: organic carrier is the mixture of one or more and diluent in methylcellulose, ethyl cellulose, modification ethyl cellulose.
5. the solar energy back aluminum slurry based on functionalization graphene according to claim 1, is characterized in that: auxiliary agent comprises defoamer, levelling agent, dispersant, thixotropic agent, adhesion promoter and antioxidant.
6. the solar energy back aluminum slurry based on functionalization graphene according to claim 5, is characterized in that: defoamer is selected from silicone based; Levelling agent is selected from polyether-modified Dimethicone Copolyol body class; Dispersant is selected from zinc stearate or lecithin; Thixotropic agent is selected from rilanit special, castor oil or polyamide wax; Described adhesion promoter is selected from phthalate coupling agent or silane coupler; Antioxidant is selected from TNPP, phosphorous acid esters or Hinered phenols antioxidant.
7. the solar energy back aluminum slurry based on functionalization graphene according to claim 1 or 4, is characterized in that: diluent is selected from one or more the mixture in terpinol, butyl carbitol, benzinum, 200# solvent naphtha, diethylene glycol ether acetate, citric acid tri butyl ester.
8. the preparation method based on the solar energy back aluminum slurry of functionalization graphene, it is characterized in that: first utilize coupling agent to carry out modification to graphene oxide, modified graphene oxide is obtained by reacting by coupling agent and graphene oxide, again modified graphene oxide is reduced, obtain functionalization graphene, functionalization graphene be dispersed in after ultrasonic process mass ratio be 5.5 ~ 6.5: 1 terpinol and butyl carbitol in, form functionalization graphene dispersion liquid; By weight percentage, by the aluminium powder of 65% ~ 73%, the glass dust of 1% ~ 3%, functionalization graphene dispersion liquid containing the pure Graphene of 0.12% ~ 0.15% functionalization, the organic carrier of 20% ~ 30%, the auxiliary agent of 3% ~ 5% and balance diluents adopt three-dimensional hybrid technology, the shearing force produced by revolution and rotation, realize fully mixing; Finally with three-roller grinding 2 ~ 3 times, after fineness reaches 10 μm, vacuum defoamation 13-17 minute; Described coupling agent is selected from A-187, A-1100 or A-174; Wherein, the preparation process of functionalization graphene is: utilize coupling agent to carry out modification to graphene oxide, modified graphene oxide is obtained by reacting: be dissolved in by modified graphene oxide in the mixed solution of deionized water and absolute ethyl alcohol by coupling agent and graphene oxide, after ultrasonic 35-45min, the absolute ethyl alcohol containing coupling agent is under agitation slowly added, add rear continuation reaction, the paste product obtained, then absolute ethanol washing is used, to remove unnecessary coupling agent, spend deionized water again, use oven for drying after filtering; Again it is reduced, be placed in ceramic crucible by modified graphene oxide, put into Muffle furnace, after grinding distribution, obtain functionalization graphene.
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| CN111018640A (en) * | 2019-12-10 | 2020-04-17 | 江西吉润花炮新材料科技有限公司 | Stabilizing treatment and preparation method of high-explosive-sound smokeless sulfur-free firecracker nitrate medicament |
| CN114316919B (en) * | 2021-12-25 | 2023-05-16 | 福建师范大学 | Polymer/graphene oxide composite microcapsule for phase-change energy storage material encapsulation and preparation method thereof |
| CN115732117B (en) * | 2022-03-08 | 2024-01-19 | 重庆恩辰新材料科技有限责任公司 | Conductive silver paste for ceramic surface circuit printing and preparation method and application thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102254584A (en) * | 2011-05-12 | 2011-11-23 | 中国科学院宁波材料技术与工程研究所 | General electronic paste based on graphene filler |
| CN102351174A (en) * | 2011-08-23 | 2012-02-15 | 华南理工大学 | Preparation method of dispersible silane functionalized graphene |
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| KR20090044797A (en) * | 2007-11-01 | 2009-05-07 | 삼성에스디아이 주식회사 | Boron nitride nano tube paste composition, electron emission source using thereof, electron emission device employing the electron emission source, and backlight unit and electron emission display device employing the electron emission device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102254584A (en) * | 2011-05-12 | 2011-11-23 | 中国科学院宁波材料技术与工程研究所 | General electronic paste based on graphene filler |
| CN102351174A (en) * | 2011-08-23 | 2012-02-15 | 华南理工大学 | Preparation method of dispersible silane functionalized graphene |
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