CN109267415A - A kind of production method of super electrolytic capacitor diaphragm paper - Google Patents
A kind of production method of super electrolytic capacitor diaphragm paper Download PDFInfo
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- CN109267415A CN109267415A CN201811048341.0A CN201811048341A CN109267415A CN 109267415 A CN109267415 A CN 109267415A CN 201811048341 A CN201811048341 A CN 201811048341A CN 109267415 A CN109267415 A CN 109267415A
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- diaphragm paper
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- 239000003990 capacitor Substances 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 239000000835 fiber Substances 0.000 claims abstract description 47
- 239000002002 slurry Substances 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims abstract description 26
- 229920000433 Lyocell Polymers 0.000 claims abstract description 24
- 238000010009 beating Methods 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000005520 cutting process Methods 0.000 claims abstract description 5
- 238000001035 drying Methods 0.000 claims abstract description 3
- 238000000465 moulding Methods 0.000 claims abstract description 3
- 238000000227 grinding Methods 0.000 claims description 10
- 239000004575 stone Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 230000002745 absorbent Effects 0.000 abstract 1
- 239000002250 absorbent Substances 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 8
- 239000000126 substance Substances 0.000 description 3
- 244000099147 Ananas comosus Species 0.000 description 2
- 235000007119 Ananas comosus Nutrition 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- -1 Fypro Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 244000007853 Sarothamnus scoparius Species 0.000 description 1
- 229920002334 Spandex Polymers 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 150000002466 imines Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004759 spandex Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
- D21F11/02—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the Fourdrinier type
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/20—Methods of refining
- D21D1/30—Disc mills
- D21D1/303—Double disc mills
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Paper (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention belongs to electrolytic capacitor paper fields, and the present invention relates to a kind of super electrolytic capacitor diaphragm paper and its production methods.A kind of production method of super electrolytic capacitor diaphragm paper, method includes the following steps: 1) tencel fiber to be added to the tencel original slurry material A that concentration mass concentration between 2.5 ~ 5.0% is made after water；2) slurry A is beaten using nonmetallic double plate mill beater, obtains final slurry B；The beating degree of slurry B is 60 ~ 95 ° of SR, and weight in wet base is 5 ~ 30g；3) slurry B is configured to the slurry that concentration is 0.5 ~ 2%, is manufactured paper with pulp using long mesh paper making machine, and online concentration is 0.001 ~ 0.1%, and high-intensitive super electrolytic capacitor diaphragm paper is obtained after online, molding, squeezing, drying, curling and cutting.The diaphragm paper aperture prepared in this way is small and uniform, has good absorbent, while tensile strength with higher, is suitable for use in supercapacitor.
Description
Technical field
The invention belongs to electrolytic capacitor paper fields, and the present invention relates to a kind of producers of super electrolytic capacitor diaphragm paper
Method.
Background technique
Electrolytic capacitor is one of component important in electronics industry, in circuit in addition to having filtering, decoupling and signal
Outside the effect of coupling, special role also is played in special circuit such as circuit for rectifying, power circuit and ac motor start-up circuit.
It is widely used in the fields such as automobile industry, security industry, medical electronics, telecomputer, electronic toy and Industry Control.Electrolysis electricity
Container paper is the gasket material that electrolyte is adsorbed in electrolytic capacitor, its performance directly affects the quality of electrolytic capacitor.
Super electrolytic capacitor is that occur recently as the high speed development of electronics technology and the breakthrough of material science
New power type electronic component.It has higher than general electrolytic capacitor between general electrolytic capacitor and battery
Capacity, thousands of farads can be up to；Higher discharge power more specific than common batteries, discharge current is up to kilo-ampere.Letter
Yan Zhi, it has the capacitance of battery and the fast charging and discharging performance of capacitor, while also with safe and reliable, the scope of application is wide
The features such as.Supercapacitor is in automobile (especially electric car), electric power, railway, communication, national defence and consumer electrical product etc.
Aspect has huge application value and market potential.
Diaphragm paper used in supercapacitor be different from general electrolytic capacitor used in diaphragm paper, due to its use it is special
Tencel fiber be raw material, and be generally beaten using metal grinding, fiber is easy cutting in pulping process, causes final
Rear fibre length is slurried to substantially reduce, leads to final diaphragm paper low strength.Diaphragm paper tensile strength is relatively low, will lead to and is assembling
It is easy broken end in the process, reduces production efficiency, meanwhile, the puncture resistant ability of diaphragm paper can be also reduced, causes leakage current to increase, very
To leading to short circuit.It is therefore desirable to which super electrolytic capacitor diaphragm paper needs higher tensile strength.
Applicant has applied for that Chinese invention patent (CN101696558A) discloses a kind of super electrolytic capacitor paper, this is super
Grade electrolytic capacitor paper be made of pineapple flaxen fiber and tencel fiber copy paper, by weight percentage pineapple flaxen fiber be 10~
80%, tencel fiber is 20~90%.Its paper tightness of super electrolytic capacitor paper of the invention is low, intensity is good, and aperture is small and equal
Even, tightness is low to keep its loss low, not will increase the internal resistance of supercapacitor, and intensity makes it suitable for well the processing of supercapacitor,
The small leakage current that will make supercapacitor in aperture is small, is allowed to be suitble to energy storage, be suitable for use in supercapacitor.
Applicant has applied for that Chinese invention patent (CN108221487A) discloses a kind of low internal resistance super electrolytic capacitor
Paper, the super electrolytic capacitor paper are made of tencel fiber and superfine chemical fiber, and tencel fiber is 10 by weight percentage
~95%, chemical fibre is 5~90%；Chemical fibre used includes polyester fiber, polyolefine fiber, Fypro, polyamides
One of imine fiber, polyacrylonitrile fibre, vinal and spandex fibre or a variety of mixing.
It is all to prepare electrolytic capacitor paper using tencel fiber and other fibers, and illustrating in above-mentioned two patents
Disclosing in book cannot be considered in terms of in intensity, aperture and internal resistance using the electrolytic capacitor paper of independent tencel fiber, therefore individually
Tencel fiber prepares electrolytic capacitor paper and is unable to reach requirement in performance.
Summary of the invention
Present invention aim to address the defects of above-mentioned background techniques, and the object of the present invention is to provide a kind of high-intensitive super
The production method of grade capacitor diaphragm paper, the diaphragm paper aperture prepared in this way is small and uniform, has good imbibition
Performance, while tensile strength with higher, are suitable for use in supercapacitor.
To achieve the goals above, present invention employs technical solutions below:
A kind of production method of super electrolytic capacitor diaphragm paper, method includes the following steps:
1) tencel fiber is added to the tencel original slurry material A that concentration mass concentration between 2.5 ~ 5.0% is made after water；
2) slurry A is beaten using nonmetallic double plate mill beater, obtains final slurry B；The beating degree of slurry B is 60 ~ 95 °
SR, weight in wet base are 5 ~ 30g；
3) slurry B is configured to the slurry that concentration is 0.5 ~ 2%, is manufactured paper with pulp using long mesh paper making machine, and online concentration is 0.001 ~ 0.1%, warp
High-intensitive super electrolytic capacitor diaphragm paper is obtained after crossing online, molding, squeezing, drying, curling and cutting.
As a further improvement, in the step 1), the tencel fiber fiber number is 0.3 ~ 3dtex, length is 3 ~
10mm。
As a further improvement, the double plate mill beater grinding material is plastics, ceramics, stone in the step 2)
One of matter.
As a further improvement, the beating degree of slurry B is 80 ~ 90 ° of SR in the step 2), weight in wet base is 15 ~ 25g.
As a further improvement, online concentration is 0.001 ~ 0.01% in the step 3).
The present invention due to the adoption of the above technical solution, the cutting of fiber is reduced using nonmetallic grinding, is made final
Fibre stuff remains longer length as far as possible, is conducive to the intensity for improving diaphragm paper；Simultaneously as using nonmetallic mill
The wire-dividing broom purification of piece, fiber is more abundant compared with being ground using metal, advantageously reduces the aperture of diaphragm paper, reduces leakage current.Using
The diaphragm paper of this method preparation, tensile strength can increase 20% or more.
Specific embodiment
Reference example 1
It is 1.5dtex by fiber number, the tencel fiber that length is 5mm adds water to be configured to the slurry that concentration is 4%, then with using gold
The double plate mill beater for belonging to grinding is beaten, and obtains final slurry, beating degree is 80 ° of SR, then weight in wet base 8g is configured to
The slurry that concentration is 1%, is manufactured paper with pulp using long mesh paper making machine, and routinely technique, online concentration are 0.005% to copy paper technique, diaphragm paper inspection
The indexs such as tightness, thickness, tensile strength, aperture are surveyed, and are made into capacity, leakage current, the internal resistance etc. of supercapacitor detection capacitor
Index.
Reference example 2
It is 1.5dtex by fiber number, the tencel fiber that length is 5mm adds water to be configured to the slurry that concentration is 4%, then with using gold
The double plate mill beater for belonging to grinding is beaten, and obtains final slurry, beating degree is 85 ° of SR, then weight in wet base 5g is configured to
The slurry that concentration is 1%, is manufactured paper with pulp using long mesh paper making machine, and routinely technique, online concentration are 0.005% to copy paper technique, diaphragm paper inspection
The indexs such as tightness, thickness, tensile strength, aperture are surveyed, and are made into capacity, leakage current, the internal resistance etc. of supercapacitor detection capacitor
Index.
Embodiment 1
It is 1.5dtex by fiber number, the tencel fiber that length is 5mm adds water to be configured to the slurry that concentration is 4%, then with using modeling
The double plate mill beater of material grinding is beaten, and obtains final slurry, beating degree is 80 ° of SR, then weight in wet base 26g is configured
The slurry for being 1% at concentration, is manufactured paper with pulp using long mesh paper making machine, and routinely technique, online concentration are 0.005% to copy paper technique, diaphragm paper
The indexs such as tightness, thickness, tensile strength, aperture are detected, and are made into capacity, the leakage current, internal resistance of supercapacitor detection capacitor
Etc. indexs.
Embodiment 2
It is 1.5dtex by fiber number, the tencel fiber that length is 5mm adds water to be configured to the slurry that concentration is 4%, then with using modeling
The double plate mill beater of material grinding is beaten, and obtains final slurry, beating degree is 85 ° of SR, then weight in wet base 22g is configured
The slurry for being 1% at concentration, is manufactured paper with pulp using long mesh paper making machine, and routinely technique, online concentration are 0.005% to copy paper technique, diaphragm paper
The indexs such as tightness, thickness, tensile strength, aperture are detected, and are made into capacity, the leakage current, internal resistance of supercapacitor detection capacitor
Etc. indexs.
Embodiment 3
It is 1.5dtex by fiber number, the tencel fiber that length is 5mm adds water to be configured to the slurry that concentration is 4%, then with using pottery
The double plate mill beater of porcelain mill piece is beaten, and obtains final slurry, beating degree is 80 ° of SR, then weight in wet base 23g is configured
The slurry for being 1% at concentration, is manufactured paper with pulp using long mesh paper making machine, and routinely technique, online concentration are 0.005% to copy paper technique, diaphragm paper
The indexs such as tightness, thickness, tensile strength, aperture are detected, and are made into capacity, the leakage current, internal resistance of supercapacitor detection capacitor
Etc. indexs.
Embodiment 4
It is 1.5dtex by fiber number, the tencel fiber that length is 5mm adds water to be configured to the slurry that concentration is 4%, then with using pottery
The double plate mill beater of porcelain mill piece is beaten, and obtains final slurry, beating degree is 85 ° of SR, then weight in wet base 18g is configured
The slurry for being 1% at concentration, is manufactured paper with pulp using long mesh paper making machine, and routinely technique, online concentration are 0.005% to copy paper technique, diaphragm paper
The indexs such as tightness, thickness, tensile strength, aperture are detected, and are made into capacity, the leakage current, internal resistance of supercapacitor detection capacitor
Etc. indexs.
Embodiment 5
It is 1.5dtex by fiber number, the tencel fiber that length is 5mm adds water to be configured to the slurry that concentration is 4%, then with using stone
The double plate mill beater of matter grinding is beaten, and obtains final slurry, beating degree is 80 ° of SR, then weight in wet base 22g is configured
The slurry for being 1% at concentration, is manufactured paper with pulp using long mesh paper making machine, and routinely technique, online concentration are 0.005% to copy paper technique, diaphragm paper
The indexs such as tightness, thickness, tensile strength, aperture are detected, and are made into capacity, the leakage current, internal resistance of supercapacitor detection capacitor
Etc. indexs.
Embodiment 6
It is 1.5dtex by fiber number, the tencel fiber that length is 5mm adds water to be configured to the slurry that concentration is 4%, then with using stone
The double plate mill beater of matter grinding is beaten, and obtains final slurry, beating degree is 85 ° of SR, then weight in wet base 16g is configured
The slurry for being 1% at concentration, is manufactured paper with pulp using long mesh paper making machine, and routinely technique, online concentration are 0.005% to copy paper technique, diaphragm paper
The indexs such as tightness, thickness, tensile strength, aperture are detected, and are made into capacity, the leakage current, internal resistance of supercapacitor detection capacitor
Etc. indexs.
The test data of above-mentioned each embodiment is as follows:
Claims (6)
1. a kind of production method of super electrolytic capacitor diaphragm paper, which is characterized in that method includes the following steps:
1) tencel fiber is added to the tencel original slurry material A that concentration mass concentration between 2.5 ~ 5.0% is made after water；
2) slurry A is beaten using nonmetallic double plate mill beater, obtains final slurry B；The beating degree of slurry B is 60 ~ 95 °
SR, weight in wet base are 5 ~ 30g；
3) slurry B is configured to the slurry that concentration is 0.5 ~ 2%, is manufactured paper with pulp using long mesh paper making machine, and online concentration is 0.001 ~ 0.1%, warp
High-intensitive super electrolytic capacitor diaphragm paper is obtained after crossing online, molding, squeezing, drying, curling and cutting.
2. a kind of production method of super electrolytic capacitor diaphragm paper according to claim 1, which is characterized in that step 1)
In, the tencel fiber fiber number is 0.3 ~ 3dtex, and length is 3 ~ 10mm.
3. a kind of production method of super electrolytic capacitor diaphragm paper according to claim 1, which is characterized in that step 2
In, the double plate mill beater grinding material is one of plastics, ceramics, stone matter.
4. a kind of production method of super electrolytic capacitor diaphragm paper according to claim 1, which is characterized in that step 2
In, the beating degree of slurry B is 80 ~ 90 ° of SR, and weight in wet base is 15 ~ 25g.
5. a kind of production method of super electrolytic capacitor diaphragm paper according to claim 1, which is characterized in that step 3)
In, online concentration is 0.001 ~ 0.01%.
6. the super electrolytic capacitor diaphragm paper of the production of method described in claim 1 ~ 5 any one claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811048341.0A CN109267415A (en) | 2018-09-10 | 2018-09-10 | A kind of production method of super electrolytic capacitor diaphragm paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811048341.0A CN109267415A (en) | 2018-09-10 | 2018-09-10 | A kind of production method of super electrolytic capacitor diaphragm paper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109267415A true CN109267415A (en) | 2019-01-25 |
Family
ID=65188285
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|---|---|---|---|
| CN201811048341.0A Pending CN109267415A (en) | 2018-09-10 | 2018-09-10 | A kind of production method of super electrolytic capacitor diaphragm paper |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101380536A (en) * | 2008-09-28 | 2009-03-11 | 华南理工大学 | Multiple layer composite micropore filtration separation material and preparation method and use thereof |
| CN101380535A (en) * | 2008-09-28 | 2009-03-11 | 华南理工大学 | Multiple layer composite micropore filtration separation material and preparation method and use thereof |
| CN101530700A (en) * | 2008-09-28 | 2009-09-16 | 华南理工大学 | Wet method forming micropore filtration separation material and preparation method and application thereof |
| CN101696558A (en) * | 2009-10-23 | 2010-04-21 | 浙江凯恩特种材料股份有限公司 | Super electrolytic capacitor paper |
| JP2015069869A (en) * | 2013-09-30 | 2015-04-13 | 三菱製紙株式会社 | Separator for electrochemical element and manufacturing method of separator for electrochemical element |
| CN108172419A (en) * | 2018-01-04 | 2018-06-15 | 浙江凯恩特种材料股份有限公司 | A kind of enhanced super electrolytic capacitor diaphragm paper and preparation method thereof |
| CN108221487A (en) * | 2018-01-04 | 2018-06-29 | 浙江凯恩特种纸业有限公司 | A kind of low internal resistance super electrolytic capacitor paper and preparation method thereof |
-
2018
- 2018-09-10 CN CN201811048341.0A patent/CN109267415A/en active Pending
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|---|---|---|---|---|
| CN101380536A (en) * | 2008-09-28 | 2009-03-11 | 华南理工大学 | Multiple layer composite micropore filtration separation material and preparation method and use thereof |
| CN101380535A (en) * | 2008-09-28 | 2009-03-11 | 华南理工大学 | Multiple layer composite micropore filtration separation material and preparation method and use thereof |
| CN101530700A (en) * | 2008-09-28 | 2009-09-16 | 华南理工大学 | Wet method forming micropore filtration separation material and preparation method and application thereof |
| CN101696558A (en) * | 2009-10-23 | 2010-04-21 | 浙江凯恩特种材料股份有限公司 | Super electrolytic capacitor paper |
| JP2015069869A (en) * | 2013-09-30 | 2015-04-13 | 三菱製紙株式会社 | Separator for electrochemical element and manufacturing method of separator for electrochemical element |
| CN108172419A (en) * | 2018-01-04 | 2018-06-15 | 浙江凯恩特种材料股份有限公司 | A kind of enhanced super electrolytic capacitor diaphragm paper and preparation method thereof |
| CN108221487A (en) * | 2018-01-04 | 2018-06-29 | 浙江凯恩特种纸业有限公司 | A kind of low internal resistance super electrolytic capacitor paper and preparation method thereof |
Non-Patent Citations (1)
| Title |
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