CN107507708A - It is a kind of to inhale acid ageing-resistant ultracapacitor diaphragm material and preparation method thereof - Google Patents
It is a kind of to inhale acid ageing-resistant ultracapacitor diaphragm material and preparation method thereof Download PDFInfo
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- CN107507708A CN107507708A CN201710690971.7A CN201710690971A CN107507708A CN 107507708 A CN107507708 A CN 107507708A CN 201710690971 A CN201710690971 A CN 201710690971A CN 107507708 A CN107507708 A CN 107507708A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/52—Separators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
Acid ageing-resistant ultracapacitor diaphragm material is inhaled the invention discloses a kind of, is made up of the raw material of following parts by weight：50 ~ 70 parts of polypropylene fibre, 30 ~ 50 parts of vinal, 15 ~ 20 parts of polyvinylidene fluoride, 25 ~ 30 parts of acetone, 100 ~ 110 parts of dimethyl acetamide, 4 ~ 8 parts of ceramic fibre, 3 ~ 6 parts of hydroxylapatite powder, 6 ~ 14 parts of modified additive, 0.5 ~ 1.5 part of activated Calcium carbonate, 4 ~ 8 parts of polyacrylamide emulsion.The present invention discloses a kind of preparation method for inhaling acid ageing-resistant ultracapacitor diaphragm material.The present invention first carries out polyvinylidene fluoride the spinning film of the obtained thinner thickness of spinning processing, through MAH monomer plasma modification of graft, then matrix fiber is made by non-woven cloth using wet nonwoven fabrics technique, both are combined into a kind of diaphragm of supercapacitor material of the high high mechanical strength simultaneously of suction acid rate of the present invention by the mode through hot pressing.
Description
Technical field
The present invention relates to electrochemical material preparation field, more particularly to it is a kind of inhale acid ageing-resistant ultracapacitor with every
Membrane material and preparation method thereof.
Background technology
Ultracapacitor is a kind of energy storaging product of the great market competitiveness, it is possible to achieve quick charge, heavy-current discharge,
And with the charge lifetimes of more than 100,000 times, occupy epochmaking status in some needs applications of high-multiplying power discharge in short-term.
Diaphragm of supercapacitor material is between two porous carbon electrodes, and complete wetting is in electrolyte together with electrode
In, play a part of isolation in charge and discharge process repeatedly, prevent electronics from conducting, prevent inside caused by contact between the two poles of the earth
Short circuit.This requires that diaphragm material is the insulator of electronics, has good isolation performance, and its hole should be less than as far as possible
The minimum grain size of electrode active surface material.
High-power property is a key property of ultracapacitor, important component of the barrier film as ultracapacitor,
To the performance important of ultracapacitor.In the capacitor course of work, diaphragm material is a large amount of by absorbing and storing
Electrolyte provide passage for the migration of ion, when electrolyte is sulfuric acid solution, barrier film not only needs to have long-term resistance to
Sour corrosion, and good suction acidity is needed to have, traditional diaphragm material is also easy to produce corruption in the environment of long-term acid corrosion
Corrosion aging, long-term acid corrosion-resistant and ageing-resistant performance are poor, and the traditional method for preparing diaphragm material such as melt spinning
Diaphragm material fibre diameter is larger made from method, inhales that sour rate is relatively low, limits ultracapacitor electrical property to a certain extent
Play.
The content of the invention
In view of the shortcomings of the prior art, inhale acid ultracapacitor high, ageing-resistant performance is excellent the invention provides a kind of
Diaphragm material and preparation method thereof.
The present invention solve the technical scheme that uses of above-mentioned technical problem for：It is a kind of to inhale acid ageing-resistant ultracapacitor use
Diaphragm material, it is made up of the raw material of following parts by weight：50 ~ 70 parts of polypropylene fibre, 30 ~ 50 parts of vinal, gather partially
15 ~ 20 parts of PVF fiber, 25 ~ 30 parts of acetone, 100 ~ 110 parts of dimethyl acetamide, 4 ~ 8 parts of ceramic fibre, hydroxyapatite
3 ~ 6 parts of powder, 6 ~ 14 parts of modified additive, 0.5 ~ 1.5 part of activated Calcium carbonate, 4 ~ 8 parts of polyacrylamide emulsion and through be evaporated under reduced pressure
The commercially available pure maleic anhydride of chemistry（MAH）In right amount.
Further, described modified additive is made up of the raw material of following parts by weight：0.5 ~ 1.5 part of sulphur, amino sulphur
0.3 ~ 0.9 part of acid, 0.2 ~ 0.6 part of dibutyl tin laurate, 1 ~ 3 part of hydroxypropyl methyl cellulose, 2 ~ 4 parts of glass microballoon, two
2 ~ 4 parts of methylacetamide.
A kind of preparation method of the acid ageing-resistant ultracapacitor diaphragm material of described suction, comprises the following steps：
（1）The preparation of spinning film：Acetone and dimethyl acetamide are well mixed under normal temperature, are then heated to 50 ~ 60 DEG C simultaneously
Polyvinylidene fluoride is added, insulated and stirred to solution homogeneous transparent, de-bubble obtains spinning solution after standing, in spinning voltage
11kV, electrostatic spinning 2h under the conditions of distance 15cm, feed flow speed 1mL/h is received, the spinning film that thickness is 6 ~ 8 μm is made；
（2）By step（1）After the spinning film of gained is cleaned under normal temperature with acetone, then cleaned twice with deionized water, and in 30 ~
Dried at 40 DEG C, be subsequently placed in reaction vessel and vacuumize, the air gone out with maleic anhydride gas displacement in reaction vessel, maintained
Maleic anhydride vapour pressure 5Pa, the plasma reaction device for being 20W with power handle 3min, and plasma reaction device is by penetrating
Frequency power（13.56MHz 20W）, adaptation, vacuum system and reaction vessel composition；
（3）Polypropylene fibre and vinal are placed in the water of 30 ~ 40 times of parts by weight, insert in beater and be beaten, made
Obtain suspension；
（4）It is placed in after ceramic fibre and hydroxylapatite powder are mixed in calcining furnace, 2 ~ 3h is calcined at 600 ~ 700 DEG C, is taken out
After crush, and cross 200 mesh sieves, add 3 ~ 4 times amount 4 ~ 6% concentration hydrochloric acid at 55 ~ 65 DEG C stirring and picklings, except the solid after liquid
Thing repeats pickling once, is washed to neutrality, and micro powder article is obtained after drying；
（5）40 ~ 60min of grinding obtains compound one after modified additive is well mixed；
（6）By step（4）Gained micro powder article and step（5）The compound one of gained mixes, and adds appropriate water and stirs to pureed,
5 ~ 30 μm of slurry is ground into, it is spray-dried to obtain compound two；
（7）By step（6）Compound two, activated Calcium carbonate and the polyacrylamide emulsion and step of gained（3）Gained hangs
Supernatant liquid mixes, and is beaten using beater, and mixed liquor is made；
（8）Using cylinder or the commercially available former of fourdrinier wire to step（7）Obtained mixed liquor carries out single or multiple lift shaping, then
Press dewatering is carried out using press apparatus, shaping base fabric is made, hot rolling treatment, temperature are carried out to shaping base fabric using hot-rolling mill
120 ~ 130 DEG C, obtain non-weaving cloth base fabric；
（9）By step（2）Spinning film after the processing of gained is covered in step（8）On obtained non-woven base fabric, through 120 ~ 130
DEG C hot-rolling hot binding, the diaphragm material of the present invention is obtained after cooling and shearing.
Further, the step（9）The thickness of gained diaphragm material is 20 ~ 100 μm.
In addition, step（2）Described in acetone be prepares a kind of to inhale the ageing-resistant ultracapacitor diaphragm material of acidity
Raw material beyond acetone.
Compared with prior art, what the present invention possessed has the beneficial effect that：
It is certain thickness spinning film that polyvinylidene fluoride is carried out spinning processing thickness is made by the present invention first, is then used
Non-woven cloth is made in matrix fiber by wet nonwoven fabrics technique, and both are combined into the super capacitor of the present invention by the mode through hot pressing
Device diaphragm material.Optimal weight and spinning condition are obtained by testing for several times, makes obtained spinning film single fiber equal
Even property is good, has abundant space and larger specific surface area, is more beneficial for improving after the graft polymerization of MAH monomer plasmas
Sour rate is inhaled, cooperates with action raw material non-woven cloth with reference to made to be thermally bonded with a variety of, obtains and inhales the high resistance to ag(e)ing simultaneously of sour rate
The excellent diaphragm of supercapacitor material of energy.
Embodiment
With reference to specific embodiment, the present invention is described further.Following examples are simply described to the present invention
The explanation of property, it is impossible to which protection scope of the present invention is limited with this.
Moreover, the raw material used in the present invention, is conventional commercially available prod unless otherwise required；Likewise, made
Method is conventional production method unless otherwise required.
Embodiment 1：It is a kind of to inhale acid ageing-resistant ultracapacitor diaphragm material, by the raw material group of following parts by weight
Into：60 parts of polypropylene fibre, 40 parts of vinal, 18 parts of polyvinylidene fluoride, 27 parts of acetone, dimethyl acetamide
105 parts, 6 parts of ceramic fibre, 5 parts of hydroxylapatite powder, 10 parts of modified additive, 1 part of activated Calcium carbonate, polyacrylamide emulsion 6
Part；Described modified additive is made up of the raw material of following parts by weight：1 part of sulphur, 0.6 part of sulfamic acid, the fourth of tin dilaurate two
0.4 part of base tin, 2 parts of hydroxypropyl methyl cellulose, 3 parts of glass microballoon, 3 parts of dimethyl acetamide.
A kind of preparation method of the acid ageing-resistant ultracapacitor diaphragm material of described suction, comprises the following steps：
（1）The preparation of spinning film：Acetone and dimethyl acetamide are well mixed under normal temperature, 55 DEG C is then heated to and adds
Polyvinylidene fluoride, insulated and stirred to solution homogeneous transparent, de-bubble obtain spinning solution after standing, in spinning voltage 11kV, connect
Electrostatic spinning 2h under the conditions of receipts distance 15cm, feed flow speed 1mL/h, the spinning film that thickness is 6 ~ 8 μm is made；
（2）By step（1）After the spinning film of gained is cleaned under normal temperature with acetone, then cleaned twice with deionized water, and in 35
Dried at DEG C, be subsequently placed in reaction vessel and vacuumize, the air gone out with maleic anhydride gas displacement in reaction vessel, maintain horse
Carry out acid anhydrides vapour pressure 5Pa, the plasma reaction device for being 20W with power handles 3min；
（3）Polypropylene fibre and vinal are placed in the water of 35 times of parts by weight, insert in beater and be beaten, be made outstanding
Supernatant liquid；
（4）It is placed in after ceramic fibre and hydroxylapatite powder are mixed in calcining furnace, 2.5h, powder after taking-up is calcined at 650 DEG C
It is broken, and 200 mesh sieves are crossed, the 3 times of hydrochloric acid for measuring 5% concentration stirring and picklings at 60 DEG C are added, except the solids after liquid repeats pickling one
It is secondary, neutrality is washed to, micro powder article is obtained after drying；
（5）Grinding 50min obtains compound one after modified additive is well mixed；
（6）By step（4）Gained micro powder article and step（5）The compound one of gained mixes, and adds appropriate water and stirs to pureed,
5 ~ 30 μm of slurry is ground into, it is spray-dried to obtain compound two；
（7）By step（6）Compound two, activated Calcium carbonate and the polyacrylamide emulsion and step of gained（3）Gained hangs
Supernatant liquid mixes, and is beaten using beater, and mixed liquor is made；
（8）Using cylinder or the commercially available former of fourdrinier wire to step（7）Obtained mixed liquor carries out single or multiple lift shaping, then
Press dewatering is carried out using press apparatus, shaping base fabric is made, hot rolling treatment, temperature are carried out to shaping base fabric using hot-rolling mill
125 DEG C, obtain non-weaving cloth base fabric；
（9）By step（2）Spinning film after the processing of gained is covered in step（8）On obtained non-woven base fabric, through 125 DEG C of heat
Roller hot binding, the diaphragm material of the present invention is obtained after cooling and shearing.
Embodiment 2：It is a kind of to inhale acid ageing-resistant ultracapacitor diaphragm material, by the raw material group of following parts by weight
Into：50 parts of polypropylene fibre, 30 parts of vinal, 15 parts of polyvinylidene fluoride, 25 parts of acetone, dimethyl acetamide
100 parts, 4 parts of ceramic fibre, 3 parts of hydroxylapatite powder, 6 parts of modified additive, 0.5 part of activated Calcium carbonate, polyacrylamide emulsion 4
Part；Described modified additive is made up of the raw material of following parts by weight：0.5 part of sulphur, 0.3 part of sulfamic acid, tin dilaurate two
0.2 part of butyl tin, 1 part of hydroxypropyl methyl cellulose, 2 parts of glass microballoon, 2 parts of dimethyl acetamide.
A kind of preparation method of the acid ageing-resistant ultracapacitor diaphragm material of described suction, comprises the following steps：
（1）The preparation of spinning film：Acetone and dimethyl acetamide are well mixed under normal temperature, 50 DEG C is then heated to and adds
Polyvinylidene fluoride, insulated and stirred to solution homogeneous transparent, de-bubble obtain spinning solution after standing, in spinning voltage 11kV, connect
Electrostatic spinning 2h under the conditions of receipts distance 15cm, feed flow speed 1mL/h, the spinning film that thickness is 6 ~ 8 μm is made；
（2）By step（1）After the spinning film of gained is cleaned under normal temperature with acetone, then cleaned twice with deionized water, and in 30
Dried at DEG C, be subsequently placed in reaction vessel and vacuumize, the air gone out with maleic anhydride gas displacement in reaction vessel, maintain horse
Carry out acid anhydrides vapour pressure 5Pa, the plasma reaction device for being 20W with power handles 3min；
（3）Polypropylene fibre and vinal are placed in the water of 30 times of parts by weight, insert in beater and be beaten, be made outstanding
Supernatant liquid；
（4）It is placed in after ceramic fibre and hydroxylapatite powder are mixed in calcining furnace, 3h is calcined at 600 DEG C, is crushed after taking-up,
And 200 mesh sieves are crossed, and the 3 times of hydrochloric acid for measuring 4% concentration stirring and picklings at 55 DEG C are added, except the solids after liquid repeats pickling once,
Neutrality is washed to, micro powder article is obtained after drying；
（5）Grinding 40min obtains compound one after modified additive is well mixed；
（6）By step（4）Gained micro powder article and step（5）The compound one of gained mixes, and adds appropriate water and stirs to pureed,
5 ~ 30 μm of slurry is ground into, it is spray-dried to obtain compound two；
（7）By step（6）Compound two, activated Calcium carbonate and the polyacrylamide emulsion and step of gained（3）Gained hangs
Supernatant liquid mixes, and is beaten using beater, and mixed liquor is made；
（8）Using cylinder or the commercially available former of fourdrinier wire to step（7）Obtained mixed liquor carries out single or multiple lift shaping, then
Press dewatering is carried out using press apparatus, shaping base fabric is made, hot rolling treatment, temperature are carried out to shaping base fabric using hot-rolling mill
120 DEG C, obtain non-weaving cloth base fabric；
（9）By step（2）Spinning film after the processing of gained is covered in step（8）On obtained non-woven base fabric, through 120 DEG C of heat
Roller hot binding, the diaphragm material of the present invention is obtained after cooling and shearing.
Embodiment 3：It is a kind of to inhale acid ageing-resistant ultracapacitor diaphragm material, by the raw material group of following parts by weight
Into：70 parts of polypropylene fibre, 50 parts of vinal, 20 parts of polyvinylidene fluoride, 30 parts of acetone, dimethyl acetamide
110 parts, 8 parts of ceramic fibre, 6 parts of hydroxylapatite powder, 14 parts of modified additive, 1.5 parts of activated Calcium carbonate, polyacrylamide emulsion
8 parts；Described modified additive is made up of the raw material of following parts by weight：1.5 parts of sulphur, 0.9 part of sulfamic acid, tin dilaurate two
0.6 part of butyl tin, 3 parts of hydroxypropyl methyl cellulose, 4 parts of glass microballoon, 4 parts of dimethyl acetamide.
A kind of preparation method of the acid ageing-resistant ultracapacitor diaphragm material of described suction, comprises the following steps：
（1）The preparation of spinning film：Acetone and dimethyl acetamide are well mixed under normal temperature, 60 DEG C is then heated to and adds
Polyvinylidene fluoride, insulated and stirred to solution homogeneous transparent, de-bubble obtain spinning solution after standing, in spinning voltage 11kV, connect
Electrostatic spinning 2h under the conditions of receipts distance 15cm, feed flow speed 1mL/h, the spinning film that thickness is 6 ~ 8 μm is made；
（2）By step（1）After the spinning film of gained is cleaned under normal temperature with acetone, then cleaned twice with deionized water, and in 40
Dried at DEG C, be subsequently placed in reaction vessel and vacuumize, the air gone out with maleic anhydride gas displacement in reaction vessel, maintain horse
Carry out acid anhydrides vapour pressure 5Pa, the plasma reaction device for being 20W with power handles 3min；
（3）Polypropylene fibre and vinal are placed in the water of 40 times of parts by weight, insert in beater and be beaten, be made outstanding
Supernatant liquid；
（4）It is placed in after ceramic fibre and hydroxylapatite powder are mixed in calcining furnace, 2h is calcined at 700 DEG C, is crushed after taking-up,
And 200 mesh sieves are crossed, and the 4 times of hydrochloric acid for measuring 6% concentration stirring and picklings at 65 DEG C are added, except the solids after liquid repeats pickling once,
Neutrality is washed to, micro powder article is obtained after drying；
（5）Grinding 60min obtains compound one after modified additive is well mixed；
（6）By step（4）Gained micro powder article and step（5）The compound one of gained mixes, and adds appropriate water and stirs to pureed,
5 ~ 30 μm of slurry is ground into, it is spray-dried to obtain compound two；
（7）By step（6）Compound two, activated Calcium carbonate and the polyacrylamide emulsion and step of gained（3）Gained hangs
Supernatant liquid mixes, and is beaten using beater, and mixed liquor is made；
（8）Using cylinder or the commercially available former of fourdrinier wire to step（7）Obtained mixed liquor carries out single or multiple lift shaping, then
Press dewatering is carried out using press apparatus, shaping base fabric is made, hot rolling treatment, temperature are carried out to shaping base fabric using hot-rolling mill
130 DEG C, obtain non-weaving cloth base fabric；
（9）By step（2）Spinning film after the processing of gained is covered in step（8）On obtained non-woven base fabric, through 125 DEG C of heat
Roller hot binding, the diaphragm material of the present invention is obtained after cooling and shearing.
Embodiment 4：It is a kind of to inhale acid ageing-resistant ultracapacitor diaphragm material, by the raw material group of following parts by weight
Into：50 parts of polypropylene fibre, 50 parts of vinal, 15 parts of polyvinylidene fluoride, 30 parts of acetone, dimethyl acetamide
100 parts, 8 parts of ceramic fibre, 3 parts of hydroxylapatite powder, 14 parts of modified additive, 0.5 part of activated Calcium carbonate, polyacrylamide emulsion
8 parts；Described modified additive is made up of the raw material of following parts by weight：1.5 parts of sulphur, 0.9 part of sulfamic acid, tin dilaurate two
0.6 part of butyl tin, 3 parts of hydroxypropyl methyl cellulose, 4 parts of glass microballoon, 4 parts of dimethyl acetamide.
A kind of preparation method of the acid ageing-resistant ultracapacitor diaphragm material of described suction, its specific steps is the same as real
Apply example 1.
Embodiment 5：It is a kind of to inhale acid ageing-resistant ultracapacitor diaphragm material, by the raw material group of following parts by weight
Into：65 parts of polypropylene fibre, 35 parts of vinal, 16 parts of polyvinylidene fluoride, 28 parts of acetone, dimethyl acetamide
102 parts, 5 parts of ceramic fibre, 4 parts of hydroxylapatite powder, 12 parts of modified additive, 0.8 part of activated Calcium carbonate, polyacrylamide emulsion
5 parts；Described modified additive is made up of the raw material of following parts by weight：1.2 parts of sulphur, 0.5 part of sulfamic acid, tin dilaurate two
0.3 part of butyl tin, 3 parts of hydroxypropyl methyl cellulose, 3 parts of glass microballoon, 4 parts of dimethyl acetamide.
A kind of preparation method of the acid ageing-resistant ultracapacitor diaphragm material of described suction, its specific steps is the same as real
Apply example 1.
The diaphragm of supercapacitor material acid corrosion-resistant aging of the present invention and inhale sour rate and significantly improve, using the present invention every
The ultracapacitor of film is with using polypropylene fibre base barrier film commonly used in the prior art or polypropylene fibre base modified diaphragm
Ultracapacitor is compared, and is inhaled sour rate and is significantly improved, and the resistance to ag(e)ing of product is significantly improved, and ultracapacitor compares work(
Rate is improved.The diaphragm of supercapacitor material that the present invention obtains is good for a kind of sour rate height, resistance to ag(e)ing of inhaling, while machinery is strong
Spend high ultracapacitor dedicated diaphragm.
Should be it is again noted that content described in above-described embodiment be only presently preferred embodiments of the present invention, it is impossible to be considered as
For limiting the practical range of the present invention.All equivalent changes made according to the present patent application scope or improvement, all should still be belonged to
Within protection scope of the present invention.
Claims (5)
1. a kind of inhale acid ageing-resistant ultracapacitor diaphragm material, it is characterised in that by the raw material of following parts by weight
Composition：50 ~ 70 parts of polypropylene fibre, 30 ~ 50 parts of vinal, 15 ~ 20 parts of polyvinylidene fluoride, 25 ~ 30 parts of acetone,
100 ~ 110 parts of dimethyl acetamide, 4 ~ 8 parts of ceramic fibre, 3 ~ 6 parts of hydroxylapatite powder, 6 ~ 14 parts of modified additive, active carbonic acid
0.5 ~ 1.5 part of calcium, 4 ~ 8 parts of polyacrylamide emulsion.
A kind of 2. acid ageing-resistant ultracapacitor diaphragm material of suction according to claim 1, it is characterised in that：By
The raw material composition of following parts by weight：60 parts of polypropylene fibre, 40 parts of vinal, 18 parts of polyvinylidene fluoride, third
27 parts of ketone, 105 parts of dimethyl acetamide, 6 parts of ceramic fibre, 5 parts of hydroxylapatite powder, 10 parts of modified additive, activated Calcium carbonate 1
Part, 6 parts of polyacrylamide emulsion.
3. the acid ageing-resistant ultracapacitor diaphragm material of a kind of suction according to claim 1 or 2, its feature exist
In：Described modified additive is made up of the raw material of following parts by weight：0.5 ~ 1.5 part of sulphur, 0.3 ~ 0.9 part of sulfamic acid, two
0.2 ~ 0.6 part of dibutyl tin laurate, 1 ~ 3 part of hydroxypropyl methyl cellulose, 2 ~ 4 parts of glass microballoon, dimethyl acetamide 2 ~ 4
Part.
4. a kind of preparation method of the acid ageing-resistant ultracapacitor diaphragm material of suction described in claim 1 or 2, it is special
Sign is, comprises the following steps：
（1）The preparation of spinning film：Acetone and dimethyl acetamide are well mixed under normal temperature, are then heated to 50 ~ 60 DEG C simultaneously
Polyvinylidene fluoride is added, insulated and stirred to solution homogeneous transparent, de-bubble obtains spinning solution after standing, in spinning voltage
11kV, electrostatic spinning 2h under the conditions of distance 15cm, feed flow speed 1mL/h is received, the spinning film that thickness is 6 ~ 8 μm is made；
（2）By step（1）After the spinning film of gained is cleaned under normal temperature with acetone, then cleaned twice with deionized water, and in 30 ~
Dried at 40 DEG C, be subsequently placed in reaction vessel and vacuumize, the air gone out with maleic anhydride gas displacement in reaction vessel, maintained
Maleic anhydride vapour pressure 5Pa, the plasma reaction device for being 20W with power handle 3min；
（3）Polypropylene fibre and vinal are placed in the water of 30 ~ 40 times of parts by weight, insert in beater and be beaten, made
Obtain suspension；
（4）It is placed in after ceramic fibre and hydroxylapatite powder are mixed in calcining furnace, 2 ~ 3h is calcined at 600 ~ 700 DEG C, is taken out
After crush, and cross 200 mesh sieves, add 3 ~ 4 times amount 4 ~ 6% concentration hydrochloric acid at 55 ~ 65 DEG C stirring and picklings, except the solid after liquid
Thing repeats pickling once, is washed to neutrality, and micro powder article is obtained after drying；
（5）40 ~ 60min of grinding obtains compound one after modified additive is well mixed；
（6）By step（4）Gained micro powder article and step（5）The compound one of gained mixes, and adds appropriate water and stirs to pureed,
5 ~ 30 μm of slurry is ground into, it is spray-dried to obtain compound two；
（7）By step（6）Compound two, activated Calcium carbonate and the polyacrylamide emulsion and step of gained（3）Gained hangs
Supernatant liquid mixes, and is beaten using beater, and mixed liquor is made；
（8）Using cylinder or the commercially available former of fourdrinier wire to step（7）Obtained mixed liquor carries out single or multiple lift shaping, then
Press dewatering is carried out using press apparatus, shaping base fabric is made, hot rolling treatment, temperature are carried out to shaping base fabric using hot-rolling mill
120 ~ 130 DEG C, obtain non-weaving cloth base fabric；
（9）By step（2）Spinning film after the processing of gained is covered in step（8）On obtained non-woven base fabric, through 120 ~ 130
DEG C hot-rolling hot binding, the diaphragm material of the present invention is obtained after cooling and shearing.
5. a kind of preparation method for inhaling acid ageing-resistant ultracapacitor diaphragm material according to claim 4, its
It is characterised by：Step（9）Described in diaphragm material thickness be 20 ~ 100 μm.
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| CN108671632A (en) * | 2018-05-28 | 2018-10-19 | 佛山市日日圣科技有限公司 | A kind of smoke filtration composite material |
| CN109056417A (en) * | 2018-08-13 | 2018-12-21 | 安徽长容电子有限公司 | It is a kind of to inhale acid and high-intensitive diaphragm of supercapacitor material and preparation method thereof |
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