CN108221488A - A kind of method that spraying prepares pressure resistant type electrolytic capacitor paper - Google Patents
A kind of method that spraying prepares pressure resistant type electrolytic capacitor paper Download PDFInfo
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- CN108221488A CN108221488A CN201810006311.7A CN201810006311A CN108221488A CN 108221488 A CN108221488 A CN 108221488A CN 201810006311 A CN201810006311 A CN 201810006311A CN 108221488 A CN108221488 A CN 108221488A
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- Prior art keywords
- beating degree
- sisal hemp
- pulp
- electrolytic capacitor
- hemp pulp
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Classifications
-
- 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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
-
- 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
- D21F11/06—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the cylinder type
- D21F11/08—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the cylinder type paper or board consisting of two or more layers
-
- 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
- D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/20—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/34—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising cellulose or derivatives thereof
-
- 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
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/50—Spraying or projecting
-
- 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
-
- 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
The present invention relates to a kind of electrolytic capacitor papers and preparation method thereof.A kind of method that spraying prepares pressure resistant type electrolytic capacitor paper, the raw paper pulp of the electrolytic capacitor paper is made of low beating degree sisal hemp pulp and high beating degree sisal hemp pulp, 20~60 ° of SR of beating degree of low beating degree sisal hemp pulp, 2~16g of weight in wet base, beating degree 60~98 ° of SR, 2~10g of weight in wet base of high beating degree sisal hemp pulp；Raw paper pulp by double cylinder formings and carry out it is compound, after squeezing by spray pattern spray coating fluid, coating weight be 0.2~1.0g/m2, coating fluid is nano-cellulose and carboxy-modified PVA, and the mass ratio of nano-cellulose and carboxy-modified PVA are 3:7~1：9.The present invention has preferable intensity, good water absorbing properties, good loss value, excellent proof voltage energy by the production and spraying of body paper, the high voltage withstanding electrolytic capacitor paper of acquisition, and withstand voltage value increases more than 80V.
Description
Technical field
The present invention relates to a kind of preparation methods of electrolytic capacitor paper.
Background technology
Electrolytic capacitor paper is to prepare one of critical material of electrolytic capacitor, and main function is the moon in isolating capacitor
Pole and anode absorb and keep electrolyte, also referred to as barrier paper.
Electrolytic capacitor paper had both belonged to speciality paper scope, also belonged to electronic component, therefore, different from general paper, electricity
Electrolytic capacitor paper has following requirement：(1) purity is high, and the impurity for influencing electrolyte and electrode foil performance will be controlled strictly；(2)
Papery is uniform, and thickness and tightness are uniform, and fiber alignment uniformly, while will be unable to the paper defects such as hole and fibre bundle；(3) have
Necessary electrical strength and mechanical strength；(4) there are good wellability and retentivity to electrolyte；(5) with electrolyte group
During into complex, there is low resistance.
Electrolytic capacitor paper requires high withstand voltage value, and withstand voltage value is too low, and capacitor is easily breakdown and damages.
Under normal circumstances, in order to improve the withstand voltage value of electrolytic capacitor paper, the tightness and thickness of electrolytic capacitor paper, but this can be improved
Sample can cause the loss of electrolytic capacitor paper to increase, and component power consumption is caused to increase, and calorific value increase has shortened making for instrument
Use the service life.Therefore, it is necessary to improve the withstand voltage value of low tightness electrolytic capacitor paper, while loss will not also significantly increase.
For this problem, there is not preferable solution also at present.
Invention content
In order to solve the above technical problems, the object of the present invention is to provide a kind of sprayings to prepare pressure resistant type electrolytic capacitor paper
Method.
To achieve these goals, the present invention uses following technical scheme：
A kind of method that spraying prepares pressure resistant type electrolytic capacitor paper, this method include the following steps：
1) jute pulp is added be made after water 2~5% mass concentration original slurry material；
2) original slurry material is obtained into mass concentration 2~5%, 20~60 ° of SR of beating degree, weight in wet base 2 by beater or fiberizer
The low beating degree sisal hemp pulp and mass concentration 2~5% of~16g, 60~98 ° of SR of beating degree, 2~10g of weight in wet base high beating degree
Sisal hemp pulp；Low beating degree sisal hemp pulp：The mass ratio of high beating degree sisal hemp pulp is 20~40:80~60；
3) low beating degree sisal hemp pulp, high beating degree sisal hemp pulp carry out compound through double cylinders, it is compound after by squeezing；Through squeezing
Coating fluid is sprayed by spray pattern afterwards, coating fluid mass percent concentration 0.2~1.0%, the coating weight of coating fluid for 0.2~
1.0g/m2, coating fluid is nano-cellulose and carboxy-modified PVA, and the mass ratio of nano-cellulose and carboxy-modified PVA are 3:7
~1：9；
4) drying, press polish and batch to obtain body paper, body paper obtains electrolytic capacitor paper after cutting.
Preferably, the jute pulp include sisal hemp pulp, manila pulp, jute slurry, Chinese jute pulp, flax pulp, wild goose latex,
One or more of pineapple leaves slurry and wingceltis latex.
Preferably, beating degree 40~50 ° of SR, 8~11g of weight in wet base of the low beating degree sisal hemp pulp；High beating degree sword
Beating degree 90~98 ° of SR, 5~6.5g of weight in wet base of jute pulp.
Preferably, the coating solution amount is 0.4~0.8g/m2。
It is carried out preferably, the low beating degree sisal hemp pulp is beaten in hollanderbeater by free type；Skyer
Degree of beating sisal hemp pulp grinds defibrination mode by 3 double plates and is beaten..
The present invention passes through the production and spraying of body paper, the high voltage withstanding electricity of acquisition as a result of above-mentioned technical solution
Electrolytic capacitor paper, and have preferable intensity, good water absorbing properties, good loss value, excellent proof voltage energy, proof voltage
Value increases more than 80V.
Specific embodiment
Reference example 1
Low beating degree sisal hemp pulp：20 parts
High beating degree sisal hemp pulp：80 parts
The beating degree and weight in wet base of low beating degree sisal hemp pulp are respectively 40 ° of SR, 10g, the beating degree of high beating degree sisal hemp pulp and
Weight in wet base is respectively 90 ° of SR, 5.6g, and low beating degree sisal hemp pulp is beaten by free type in hollanderbeater and carried out, and mashing is dense
Degree 2.5%.High beating degree sisal hemp pulp grinds defibrination mode by 3 double plates and is beaten, beating consistency 3.5%.After the completion of mashing,
By double cylinder formings and carry out it is compound, after squeezing through drying, press polish, batch and obtain finished product, quantification of 30g/ after cutting
m2。
Reference example 2
Low beating degree sisal hemp pulp：40 parts
High beating degree sisal hemp pulp：60 parts
The beating degree and weight in wet base of low beating degree sisal hemp pulp are respectively 45 ° of SR, 8g, the beating degree of high beating degree sisal hemp pulp and wet
It is respectively 90 ° of SR, 5.6g again, low beating degree sisal hemp pulp is beaten by free type in hollanderbeater and carried out, beating consistency
2.5%.High beating degree sisal hemp pulp grinds defibrination mode by 3 double plates and is beaten, beating consistency 3.5%.After the completion of mashing, lead to
Cross double cylinder formings and carry out it is compound, after squeezing through drying, press polish, batch and obtain finished product, quantification of 30g/m after cutting2。
Embodiment 1
A kind of high pressure resistant electrolytic capacitor paper, the raw paper pulp of the electrolytic capacitor paper is by low beating degree sisal hemp pulp and skyer
Degree of beating sisal hemp pulp forms：
Low beating degree sisal hemp pulp：20 parts
High beating degree sisal hemp pulp：80 parts
The beating degree and weight in wet base of low beating degree sisal hemp pulp are respectively 40 ° of SR, 10g, the beating degree of high beating degree sisal hemp pulp and
Weight in wet base is respectively 90 ° of SR, 5.6g, and low beating degree sisal hemp pulp is beaten by free type in hollanderbeater and carried out, and mashing is dense
Degree 2.5%.High beating degree sisal hemp pulp grinds defibrination mode by 3 double plates and is beaten, beating consistency 3.5%.After the completion of mashing,
It by double cylinder formings and carries out compound, passes through the carboxy derivatives that spray pattern sprays nano-cellulose and PVA after squeezing
Mixture, coating fluid concentration 0.5%, the weight ratio of nano-cellulose and PVA carboxy derivatives is 1 in coating fluid:9, coating
Measure 0.5g/m2, after coating through drying, press polish, batch and obtain finished product, quantification of 30g/m after cutting2。
Embodiment 2
A kind of high pressure resistant electrolytic capacitor paper, the raw paper pulp of the electrolytic capacitor paper is by low beating degree sisal hemp pulp and skyer
Degree of beating sisal hemp pulp forms：
Low beating degree sisal hemp pulp：20 parts
High beating degree sisal hemp pulp：80 parts
The beating degree and weight in wet base of low beating degree sisal hemp pulp are respectively 45 ° of SR, 8g, the beating degree of high beating degree sisal hemp pulp and wet
It is respectively 90 ° of SR, 5.6g again, low beating degree sisal hemp pulp is beaten by free type in hollanderbeater and carried out, beating consistency
2.5%.High beating degree sisal hemp pulp grinds defibrination mode by 3 double plates and is beaten, beating consistency 3.5%.After the completion of mashing, lead to
It crosses double cylinder formings and carries out compound, pass through after squeezing the carboxy derivatives that spray pattern sprays nano-cellulose and PVA
Mixture, coating fluid concentration 0.5%, the weight ratio of nano-cellulose and PVA carboxy derivatives is 1 in coating fluid:9, coating weight
0.5g/m2, after coating through drying, press polish, batch and obtain finished product, quantification of 30g/m after cutting2。
Embodiment 3
A kind of high pressure resistant electrolytic capacitor paper, the raw paper pulp of the electrolytic capacitor paper is by low beating degree sisal hemp pulp and skyer
Degree of beating sisal hemp pulp forms：
Low beating degree sisal hemp pulp：30 parts
High beating degree sisal hemp pulp：70 parts
The beating degree and weight in wet base of low beating degree sisal hemp pulp are respectively 40 ° of SR, 10g, the beating degree of high beating degree sisal hemp pulp and
Weight in wet base is respectively 90 ° of SR, 5.6g, and low beating degree sisal hemp pulp is beaten by free type in hollanderbeater and carried out, and mashing is dense
Degree 2.5%.High beating degree sisal hemp pulp grinds defibrination mode by 3 double plates and is beaten, beating consistency 3.5%.After the completion of mashing,
It by double cylinder formings and carries out compound, passes through the carboxy derivatives that spray pattern sprays nano-cellulose and PVA after squeezing
Mixture, coating fluid concentration 0.5%, the weight ratio of nano-cellulose and PVA carboxy derivatives is 2 in coating fluid:8, coating
Measure 0.5g/m2, after coating through drying, press polish, batch and obtain finished product, quantification of 30g/m after cutting2。
Embodiment 4
A kind of high pressure resistant electrolytic capacitor paper, the raw paper pulp of the electrolytic capacitor paper is by low beating degree sisal hemp pulp and skyer
Degree of beating sisal hemp pulp forms：
Low beating degree sisal hemp pulp：30 parts
High beating degree sisal hemp pulp：70 parts
The beating degree and weight in wet base of low beating degree sisal hemp pulp are respectively 45 ° of SR, 8g, the beating degree of high beating degree sisal hemp pulp and wet
It is respectively 90 ° of SR, 5.6g again, low beating degree sisal hemp pulp is beaten by free type in hollanderbeater and carried out, beating consistency
2.5%.High beating degree sisal hemp pulp grinds defibrination mode by 3 double plates and is beaten, beating consistency 3.5%.After the completion of mashing, lead to
It crosses double cylinder formings and carries out compound, pass through after squeezing the carboxy derivatives that spray pattern sprays nano-cellulose and PVA
Mixture, coating fluid concentration 0.5%, the weight ratio of nano-cellulose and PVA carboxy derivatives is 2 in coating fluid:8, coating weight
0.5g/m2, after coating through drying, press polish, batch and obtain finished product, quantification of 30g/m after cutting2。
Embodiment 5
A kind of high pressure resistant electrolytic capacitor paper, the raw paper pulp of the electrolytic capacitor paper is by low beating degree sisal hemp pulp and skyer
Degree of beating sisal hemp pulp forms：
Low beating degree sisal hemp pulp：40 parts
High beating degree sisal hemp pulp：60 parts
The beating degree and weight in wet base of low beating degree sisal hemp pulp are respectively 40 ° of SR, 10g, the beating degree of high beating degree sisal hemp pulp and
Weight in wet base is respectively 90 ° of SR, 5.6g, and low beating degree sisal hemp pulp is beaten by free type in hollanderbeater and carried out, and mashing is dense
Degree 2.5%.High beating degree sisal hemp pulp grinds defibrination mode by 3 double plates and is beaten, beating consistency 3.5%.After the completion of mashing,
It by double cylinder formings and carries out compound, passes through the carboxy derivatives that spray pattern sprays nano-cellulose and PVA after squeezing
Mixture, coating fluid concentration 0.5%, the weight ratio of nano-cellulose and PVA carboxy derivatives is 3 in coating fluid:7, coating
Measure 0.5g/m2, after coating through drying, press polish, batch and obtain finished product, quantification of 30g/m after cutting2。
Embodiment 6
A kind of high pressure resistant electrolytic capacitor paper, the raw paper pulp of the electrolytic capacitor paper is by low beating degree sisal hemp pulp and skyer
Degree of beating sisal hemp pulp forms：
Low beating degree sisal hemp pulp：40 parts
High beating degree sisal hemp pulp：60 parts
The beating degree and weight in wet base of low beating degree sisal hemp pulp are respectively 45 ° of SR, 8g, the beating degree of high beating degree sisal hemp pulp and wet
It is respectively 90 ° of SR, 5.6g again, low beating degree sisal hemp pulp is beaten by free type in hollanderbeater and carried out, beating consistency
2.5%.High beating degree sisal hemp pulp grinds defibrination mode by 3 double plates and is beaten, beating consistency 3.5%.After the completion of mashing, lead to
It crosses double cylinder formings and carries out compound, pass through after squeezing the carboxy derivatives that spray pattern sprays nano-cellulose and PVA
Mixture, coating fluid concentration 0.5%, the weight ratio of nano-cellulose and PVA carboxy derivatives is 3 in coating fluid:7, coating weight
0.5g/m2, after coating through drying, press polish, batch and obtain finished product, quantification of 30g/m after cutting2。
The test data of above-mentioned each electrolytic capacitor paper is as follows：
Claims (5)
1. a kind of method that spraying prepares pressure resistant type electrolytic capacitor paper, which is characterized in that this method includes the following steps：
1) jute pulp is added be made after water 2~5% mass concentration original slurry material；
2) original slurry material is obtained into mass concentration 2~5%, 20~60 ° of SR of beating degree, 2~16g of weight in wet base by beater or fiberizer
Low beating degree sisal hemp pulp and mass concentration 2~5%, 60~98 ° of SR of beating degree, 2~10g of weight in wet base high beating degree sisal hemp
Slurry；Low beating degree sisal hemp pulp：The mass ratio of high beating degree sisal hemp pulp is 20~40:80~60；
3) low beating degree sisal hemp pulp, high beating degree sisal hemp pulp carry out compound through double cylinders, it is compound after by squeezing；Lead to after squeezing
Cross spray pattern spraying coating fluid, coating fluid mass percent concentration 0.2~1.0%, the coating weight of coating fluid for 0.2~
1.0g/m2, coating fluid is nano-cellulose and carboxy-modified PVA, and the mass ratio of nano-cellulose and carboxy-modified PVA are 3:7
~1：9；
4) drying, press polish and batch to obtain body paper, body paper obtains electrolytic capacitor paper after cutting.
2. the method that a kind of spraying according to claim 1 prepares pressure resistant type electrolytic capacitor paper, which is characterized in that jute pulp
Including sisal hemp pulp, manila pulp, jute slurry, Chinese jute pulp, flax pulp, wild goose latex, pineapple leaves slurry and wingceltis latex in one kind or
It is several.
3. the method that a kind of spraying according to claim 1 prepares pressure resistant type electrolytic capacitor paper, which is characterized in that low to beat
Beating degree 40~50 ° of SR, 8~11g of weight in wet base of degree of beating sisal hemp pulp；90~98 ° of SR of beating degree of high beating degree sisal hemp pulp, weight in wet base 5
~6.5g.
4. the method for preparing pressure resistant type electrolytic capacitor paper according to a kind of spraying described in claim 1, which is characterized in that low mashing
It spends sisal hemp pulp and progress is beaten by free type in hollanderbeater；High beating degree sisal hemp pulp grinds defibrination side by 3 double plates
Formula is beaten.
5. the method that a kind of spraying according to claim 1 prepares pressure resistant type electrolytic capacitor paper, which is characterized in that coating
Liquid coating weight is 0.4~0.8g/m2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810006311.7A CN108221488A (en) | 2018-01-04 | 2018-01-04 | A kind of method that spraying prepares pressure resistant type electrolytic capacitor paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810006311.7A CN108221488A (en) | 2018-01-04 | 2018-01-04 | A kind of method that spraying prepares pressure resistant type electrolytic capacitor paper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108221488A true CN108221488A (en) | 2018-06-29 |
Family
ID=62642872
Family Applications (1)
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| CN201810006311.7A Pending CN108221488A (en) | 2018-01-04 | 2018-01-04 | A kind of method that spraying prepares pressure resistant type electrolytic capacitor paper |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117166282A (en) * | 2023-09-06 | 2023-12-05 | 仙鹤股份有限公司 | Preparation method of composite electrolytic capacitor paper |
| CN117166282B (en) * | 2023-09-06 | 2024-05-10 | 仙鹤股份有限公司 | Preparation method of composite electrolytic capacitor paper |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1626731A (en) * | 2003-12-09 | 2005-06-15 | 浙江凯恩特种材料股份有限公司 | Paper of electrolytic capacitor and preparation method |
| CN104157812A (en) * | 2014-04-23 | 2014-11-19 | 华南理工大学 | Lithium ion battery diaphragm, preparation method of lithium ion battery diaphragm and lithium ion battery |
| CN104988809A (en) * | 2015-06-26 | 2015-10-21 | 浙江凯恩特种材料股份有限公司 | High voltage resistant electrolytic capacitor paper and preparation method thereof |
| CN105064123A (en) * | 2015-08-07 | 2015-11-18 | 成都易胜科生物科技有限公司 | Multilayer structure electrolytic capacitor paper and preparation method of electrolytic capacitor paper |
-
2018
- 2018-01-04 CN CN201810006311.7A patent/CN108221488A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1626731A (en) * | 2003-12-09 | 2005-06-15 | 浙江凯恩特种材料股份有限公司 | Paper of electrolytic capacitor and preparation method |
| CN104157812A (en) * | 2014-04-23 | 2014-11-19 | 华南理工大学 | Lithium ion battery diaphragm, preparation method of lithium ion battery diaphragm and lithium ion battery |
| CN104988809A (en) * | 2015-06-26 | 2015-10-21 | 浙江凯恩特种材料股份有限公司 | High voltage resistant electrolytic capacitor paper and preparation method thereof |
| CN105064123A (en) * | 2015-08-07 | 2015-11-18 | 成都易胜科生物科技有限公司 | Multilayer structure electrolytic capacitor paper and preparation method of electrolytic capacitor paper |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117166282A (en) * | 2023-09-06 | 2023-12-05 | 仙鹤股份有限公司 | Preparation method of composite electrolytic capacitor paper |
| CN117166282B (en) * | 2023-09-06 | 2024-05-10 | 仙鹤股份有限公司 | Preparation method of composite electrolytic capacitor paper |
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Application publication date: 20180629 |