CN110468612A - A kind of production method of diaphragm of supercapacitor paper - Google Patents
A kind of production method of diaphragm of supercapacitor paper Download PDFInfo
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- CN110468612A CN110468612A CN201910794702.4A CN201910794702A CN110468612A CN 110468612 A CN110468612 A CN 110468612A CN 201910794702 A CN201910794702 A CN 201910794702A CN 110468612 A CN110468612 A CN 110468612A
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/34—Kneading or mixing; Pulpers
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- 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
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- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
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Abstract
The technical solution used in the present invention is: a kind of production method of diaphragm of supercapacitor paper, comprising the following steps: 1) add water to discongest dispersion and be beaten fibrillating fibre and obtain slurry B；2) mercerising slurry plus water are discongested into dispersion mashing and obtains slurry C；3) add water to discongest dispersion vinylon fibre and obtain slurry D；4) add water to discongest dispersion nano-cellulose and obtain slurry E；5) it is mixed evenly slurry B, slurry C, slurry D and slurry E to obtain slurry F in proportion；6) dispersing agent is added in slurry F, is mixed evenly to obtain slurry G；7) slurry G is manufactured paper with pulp to obtain diaphragm of supercapacitor paper.The diaphragm of supercapacitor paper porosity with higher produced by adopting the above technical scheme, improves supercapacitor specific power performance；By carrying out ornamenting processing to diaphragm paper surface, the pore size of diaphragm paper is suitable and is evenly distributed；By the way that vinylon fibre is added, the mechanical strength of diaphragm paper is improved.
Description
Technical field
The invention belongs to kraft capacitor paper technical field more particularly to a kind of production methods of diaphragm of supercapacitor paper.
Background technique
Supercapacitor is a kind of novel energy storage apparatus between traditional capacitor and rechargeable battery.It both has electricity
The characteristic of container fast charging and discharging, while again with the energy storage characteristic of battery, in defence and military, aerospace, communications and transportation, electricity
The fields such as sub-information and instrument and meter have broad application prospects.
Crucial composition component of the diaphragm as supercapacitor, main function is isolation positive and negative anodes, in charge and discharge process
The middle channel conductive electronics as ion-transfer transport, therefore, the performance of the diaphragm of supercapacitor directly affects super capacitor
The performances such as the safety in utilization and energy density of device, power density, efficiency for charge-discharge and recycling.Paper base supercapacitor
Diaphragm is manufactured paper with pulp using paper process, and simple production process, paper technology controllability are strong, raw material sources in plant fiber,
It is degradable, it is environmentally protective, thus be concerned by people more and more.
However, existing diaphragm of supercapacitor paper there are porositys low, the non-uniform problem of pore size.Diaphragm sheet hole
Gap rate is low, and enough electron transfer pathways cannot be provided in electronic transfer process, reduces electron exchange rate, thus shadow
Ring the specific power performance of supercapacitor；Diaphragm paper aperture is excessive, easily causes positive and negative anodes when supercapacitor is pressurized
Contact causes short circuit, the too small transfer rate that can reduce electrolyte ion in aperture.
Summary of the invention
Aiming at the problem that the purpose of the present invention is proposed in the above-mentioned background technique, a kind of diaphragm of supercapacitor paper is provided
Production method.
The technical solution used in the present invention is: a kind of production method of diaphragm of supercapacitor paper, which is characterized in that packet
Include following steps:
1) add water to discongest dispersion fibrillating fibre and be configured to the slurry A that concentration is 4.0~10%；Using beater to slurry
Expect that A mashing carries out wire-dividing broom purification, obtains slurry B；The beating degree of slurry B is 70~80 ° of SR, and weight in wet base is 0.8~2.0g, and fiber is flat
Equal length is 0.5~1.5mm, and mean fibre width is 20~30 μm；
2) mercerising slurry plus water are discongested into dispersion mashing processing, obtains slurry C；The beating degree of slurry C is 20~30 ° of SR, wet
Weight is 2.0~4.0g, and average fiber length is 1.0~1.5mm, and mean fibre width is 20~30 μm；
3) add water to discongest vinylon fibre to be uniformly dispersed, obtain slurry D；
4) add water to discongest nano-cellulose to be uniformly dispersed, obtain slurry E；
5) slurry B, slurry C, slurry D and slurry E are mixed evenly in proportion to obtain slurry F, wherein slurry B matches
Than be 3~20% for the proportion of 80~90%, slurry C, the proportion of slurry D is 0~10%, the proportion of slurry E is 0~2%；
6) dispersing agent is added in slurry F, is mixed evenly to obtain slurry G, wherein the dosage of dispersing agent is relative to total
Oven dry stock amount be 0~1.5%；
7) it manufactures paper with pulp using water as medium to slurry G, obtains diaphragm of supercapacitor paper；
Step 1), step 2), the sequence of step 3) and step 4) are in no particular order.
Preferably, the length of fibrillating fibre is 38mm or 6mm.
Preferably, vinylon fibre is one of water-soluble polyvinyl alcohol fibers, polyolefine fiber or polyester fiber, use
Amount is 3~10% relative to total oven dry stock amount.
Preferably, dispersing agent is one of polyethylene glycol oxide or polyacrylamide.
Preferably, when being manufactured paper with pulp as medium to slurry G in step 7) using water, using long mesh paper making machine or cylinder mould machine into
Row is manufactured paper with pulp.
Preferably, the water being added in step 1), step 2), step 3), step 4) and step 7) is deionization
Water.
Preferably, diaphragm of supercapacitor paper is handled using surface finish, to ensure that super capacitor diaphragm paper surface is flat
It is whole, thickness is uniform.
Preferably, super capacitor diaphragm paper 23 DEG C of temperature, humidity 50%RH detection environment under, quantification of 14 ±
2g/m2, with a thickness of 30 ± 2 μm, machine direction tensile strength >=0.65kN/m, porosity of=60%, average pore size is 0.5~1.2 μm.
The present invention has the advantage that and good effect: the diaphragm of supercapacitor paper produced by adopting the above technical scheme has
Higher porosity improves supercapacitor specific power performance；By being carried out at ornamenting to diaphragm of supercapacitor paper surface
The pore size of reason, diaphragm of supercapacitor paper is suitable and is evenly distributed；In diaphragm of supercapacitor paper forming process, fiber
Between be mutually lapped to form space network, fiber wire-dividing broom purification formed microfibril between trunk fiber and microfibril shape
At bridge joint, make into paper with preferable pore structure and higher mechanical strength.
Specific embodiment
The application is described in further detail below with reference to embodiment.It is understood that tool described herein
Body embodiment is used only for explaining related invention, rather than the restriction to the invention.It should be noted that the case where not conflicting
Under, the features in the embodiments and the embodiments of the present application can be combined with each other.
Embodiment 1
A kind of production method of diaphragm of supercapacitor paper, comprising the following steps:
It 1) is 1.5dtex by fiber number, it is 4.0% that the fibrillating fibre that length is 38mm, which adds water to discongest dispersion to be configured to concentration,
Slurry A；Slurry A is beaten using beater and carries out wire-dividing broom purification, obtains slurry B；The beating degree of slurry B is 75 ° of SR, weight in wet base
For 1.2g, average fiber length 0.9mm, mean fibre width is 28 μm；
2) mercerising slurry plus water are discongested into dispersion mashing processing, obtains slurry C；The beating degree of slurry C is 25 ° of SR, and weight in wet base is
3.0g, average fiber length 1.2mm, mean fibre width are 23 μm；
3) it is mixed evenly slurry B and slurry C to obtain slurry G in the ratio of 80:20；
4) using water as medium, manufacture paper with pulp on long mesh paper making machine to slurry G, by squeezing, drying, etc. processes obtain into
Paper handles to obtain diaphragm of supercapacitor paper to surface finish is carried out at paper；
In no particular order, the water being added in step 1), step 2) and step 4) is the sequence of step 1) and step 2)
Ionized water.
Embodiment 2
A kind of production method of diaphragm of supercapacitor paper, comprising the following steps:
It 1) is 1.5dtex by fiber number, it is 7.0% that the fibrillating fibre that length is 6mm, which adds water to discongest dispersion to be configured to concentration,
Slurry A；Slurry A is beaten using beater and carries out wire-dividing broom purification, obtains slurry B；The beating degree of slurry B is 70 ° of SR, weight in wet base
For 0.8g, average fiber length 0.5mm, mean fibre width is 20 μm；
2) mercerising slurry plus water are discongested into dispersion mashing processing, obtains slurry C；The beating degree of slurry C is 20 ° of SR, and weight in wet base is
2.0g, average fiber length 1.0mm, mean fibre width are 20 μm；
3) add water to discongest vinylon fibre to be uniformly dispersed, obtain slurry D, wherein used vinylon fibre is water-soluble poly
Alcohol fibers, dosage are 10% relative to total oven dry stock amount；
4) it is mixed evenly slurry B, slurry C and slurry D to obtain slurry F in the ratio of 85:5:10；
5) dispersing agent is added in slurry F, is mixed evenly to obtain slurry G, wherein used dispersing agent is polyoxy
Change ethylene, dosage is 0.1% relative to oven dry stock weight；
6) using water as medium, manufacture paper with pulp on long mesh paper making machine to slurry G, by squeezing, drying, etc. processes obtain into
Paper handles to obtain diaphragm of supercapacitor paper to surface finish is carried out at paper；
Step 1), the sequence of step 2) and step 3) in no particular order, institute in step 1), step 2), step 3) and step 6)
The water of addition is deionized water.
Embodiment 3
A kind of production method of diaphragm of supercapacitor paper, comprising the following steps:
It 1) is 1.5dtex by fiber number, it is 10.0% that the fibrillating fibre that length is 6mm, which adds water to discongest dispersion to be configured to concentration,
Slurry A；Slurry A is beaten using beater and carries out wire-dividing broom purification, obtains slurry B；The beating degree of slurry B is 80 ° of SR, weight in wet base
For 2.0g, average fiber length 1.5mm, mean fibre width is 30 μm；
2) mercerising slurry plus water are discongested into dispersion mashing processing, obtains slurry C；The beating degree of slurry C is 30 ° of SR, and weight in wet base is
4.0g, average fiber length 1.5mm, mean fibre width are 30 μm；
3) add water to discongest vinylon fibre to be uniformly dispersed, obtain slurry D, wherein used vinylon fibre is that polyolefin is fine
Dimension, dosage are 3% relative to total oven dry stock amount；
4) add water to discongest nano-cellulose to be uniformly dispersed, obtain slurry E；
5) it is mixed evenly slurry B, slurry C, slurry D and slurry E to obtain slurry F in the ratio of 82:11:5:2；
6) dispersing agent is added in slurry F, is mixed evenly to obtain slurry G, wherein used dispersing agent is polyoxy
Change ethylene, dosage is 0.7% relative to oven dry stock weight；
7) using water as medium, manufacture paper with pulp on cylinder mould machine to slurry G, by squeezing, drying, etc. processes obtain into
Paper handles to obtain diaphragm of supercapacitor paper to surface finish is carried out at paper；
Step 1), step 2), the sequence of step 3) and step 4) in no particular order, step 1), step 2), step 3), step
4) water and in step 7) being added is deionized water.
Embodiment 4
A kind of production method of diaphragm of supercapacitor paper, comprising the following steps:
It 1) is 1.5dtex by fiber number, it is 10.0% that the fibrillating fibre that length is 6mm, which adds water to discongest dispersion to be configured to concentration,
Slurry A；Slurry A is beaten using beater and carries out wire-dividing broom purification, obtains slurry B；The beating degree of slurry B is 78 ° of SR, weight in wet base
For 1.4g, average fiber length 1.5mm, mean fibre width is 25 μm；
2) mercerising slurry plus water are discongested into dispersion mashing processing, obtains slurry C；The beating degree of slurry C is 28 ° of SR, and weight in wet base is
2.5g, average fiber length 1.0mm, mean fibre width are 21 μm；
3) add water to discongest vinylon fibre to be uniformly dispersed, obtain slurry D, wherein used vinylon fibre is that polyester is fine
Dimension, dosage are 6% relative to total oven dry stock amount；
4) add water to discongest nano-cellulose to be uniformly dispersed, obtain slurry E；
5) it is mixed evenly slurry B, slurry C, slurry D and slurry E to obtain slurry F in the ratio of 90:3:6:1；
6) dispersing agent is added in slurry F, is mixed evenly to obtain slurry G, wherein used dispersing agent is poly- third
Acrylamide, dosage are 1.5% relative to oven dry stock weight.
7) using water as medium, manufacture paper with pulp on cylinder mould machine to slurry G, by squeezing, drying, etc. processes obtain into
Paper handles to obtain diaphragm of supercapacitor paper to surface finish is carried out at paper；
Step 1), step 2), the sequence of step 3) and step 4) in no particular order, step 1), step 2), step 3), step
4) water and in step 7) being added is deionized water.
Embodiment 5
A kind of production method of diaphragm of supercapacitor paper, comprising the following steps:
It 1) is 1.5dtex by fiber number, it is 4.0% that the fibrillating fibre that length is 38mm, which adds water to discongest dispersion to be configured to concentration,
Slurry A；Slurry A is beaten using beater and carries out wire-dividing broom purification, obtains slurry B；The beating degree of slurry B is 75 ° of SR, weight in wet base
For 1.2g, average fiber length 0.9mm, mean fibre width is 28 μm；
2) mercerising slurry plus water are discongested into dispersion mashing processing, obtains slurry C；The beating degree of slurry C is 25 ° of SR, and weight in wet base is
3.0g, average fiber length 1.2mm, mean fibre width are 23 μm；
3) it is mixed evenly slurry B and slurry C to obtain slurry G in the ratio of 85:15；
4) using water as medium, manufacture paper with pulp on long mesh paper making machine to slurry G, by squeezing, drying, etc. processes obtain into
Paper handles to obtain diaphragm of supercapacitor paper to surface finish is carried out at paper；
In no particular order, the water being added in step 1), step 2) and step 4) is the sequence of step 1) and step 2)
Ionized water.
Embodiment 6
A kind of production method of diaphragm of supercapacitor paper, comprising the following steps:
It 1) is 1.5dtex by fiber number, it is 7.0% that the fibrillating fibre that length is 6mm, which adds water to discongest dispersion to be configured to concentration,
Slurry A；Slurry A is beaten using beater and carries out wire-dividing broom purification, obtains slurry B；The beating degree of slurry B is 70 ° of SR, weight in wet base
For 1.0g, average fiber length 1.0mm, mean fibre width is 29 μm；
2) mercerising slurry plus water are discongested into dispersion mashing processing, obtains slurry C；The beating degree of slurry C is 25 ° of SR, and weight in wet base is
3.0g, average fiber length 1.2mm, mean fibre width are 23 μm；
3) add water to discongest vinylon fibre to be uniformly dispersed, obtain slurry D, wherein used vinylon fibre is water-soluble poly
Alcohol fibers, dosage are 10% relative to total oven dry stock amount；
4) it is mixed evenly slurry B, slurry C and slurry D to obtain slurry F in the ratio of 85:10:5；
5) dispersing agent is added in slurry F, is mixed evenly to obtain slurry G, wherein used dispersing agent is polyoxy
Change ethylene, dosage is 0.1% relative to oven dry stock weight；
6) using water as medium, manufacture paper with pulp on long mesh paper making machine to slurry G, by squeezing, drying, etc. processes obtain into
Paper handles to obtain diaphragm of supercapacitor paper to surface finish is carried out at paper；
Step 1), the sequence of step 2) and step 3) in no particular order, institute in step 1), step 2), step 3) and step 6)
The water of addition is deionized water.
Embodiment 7
A kind of production method of diaphragm of supercapacitor paper, comprising the following steps:
It 1) is 1.5dtex by fiber number, it is 10.0% that the fibrillating fibre that length is 6mm, which adds water to discongest dispersion to be configured to concentration,
Slurry A；Slurry A is beaten using beater and carries out wire-dividing broom purification, obtains slurry B；The beating degree of slurry B is 75 ° of SR, weight in wet base
For 1.0g, average fiber length 0.7mm, mean fibre width is 27 μm；
2) mercerising slurry plus water are discongested into dispersion mashing processing, obtains slurry C；The beating degree of slurry C is 28 ° of SR, and weight in wet base is
2.5g, average fiber length 1.0mm, mean fibre width are 21 μm；
3) add water to discongest vinylon fibre to be uniformly dispersed, obtain slurry D, wherein used vinylon fibre is that polyolefin is fine
Dimension, dosage are 3% relative to total oven dry stock amount；
4) add water to discongest nano-cellulose to be uniformly dispersed, obtain slurry E；
5) it is mixed evenly slurry B, slurry C, slurry D and slurry E to obtain slurry F in the ratio of 85:10:4:1；
6) dispersing agent is added in slurry F, is mixed evenly to obtain slurry G, wherein used dispersing agent is polyoxy
Change ethylene, dosage is 0.1% relative to oven dry stock weight；
7) using water as medium, manufacture paper with pulp on long mesh paper making machine to slurry G, by squeezing, drying, etc. processes obtain into
Paper handles to obtain diaphragm of supercapacitor paper to surface finish is carried out at paper；
Step 1), step 2), the sequence of step 3) and step 4) in no particular order, step 1), step 2), step 3), step
4) water and in step 7) being added is deionized water.
Embodiment 8
A kind of production method of diaphragm of supercapacitor paper, comprising the following steps:
It 1) is 1.5dtex by fiber number, it is 10.0% that the fibrillating fibre that length is 6mm, which adds water to discongest dispersion to be configured to concentration,
Slurry A；Slurry A is beaten using beater and carries out wire-dividing broom purification, obtains slurry B；The beating degree of slurry B is 78 ° of SR, weight in wet base
For 1.0g, average fiber length 0.7mm, mean fibre width is 27 μm；
2) mercerising slurry plus water are discongested into dispersion mashing processing, obtains slurry C；The beating degree of slurry C is 28 ° of SR, and weight in wet base is
2.5g, average fiber length 1.0mm, mean fibre width are 21 μm；
3) add water to discongest vinylon fibre to be uniformly dispersed, obtain slurry D, wherein used vinylon fibre is that polyolefin is fine
Dimension, dosage are 3% relative to total oven dry stock amount；
4) add water to discongest nano-cellulose to be uniformly dispersed, obtain slurry E；
5) it is mixed evenly slurry B, slurry C, slurry D and slurry E to obtain slurry F in the ratio of 85:10:4:1；
6) dispersing agent is added in slurry F, is mixed evenly to obtain slurry G, wherein used dispersing agent is polyoxy
Change ethylene, dosage is 0.1% relative to oven dry stock weight；
7) using water as medium, manufacture paper with pulp on long mesh paper making machine to slurry G, by squeezing, drying, etc. processes obtain into
Paper handles to obtain diaphragm of supercapacitor paper to surface finish is carried out at paper；
Step 1), step 2), the sequence of step 3) and step 4) in no particular order, step 1), step 2), step 3), step
4) water and in step 7) being added is deionized water.
Performance test
23 DEG C of temperature, humidity 50%RH detection environment under, to the resulting diaphragm of supercapacitor of above-described embodiment 1-8
The quantitative of paper, thickness, machine direction tensile strength, porosity, minimum-value aperture, maximum diameter of hole and average pore size are tested；Again will
Diaphragm of supercapacitor is made of paper to be made supercapacitor, at 70 DEG C, is charged to supercapacitor with 2.7V, trickle charge reaches
After 1000h, multiple and C (capacitance) change rate are changed to its ESR (internal resistance) and tested, gained test result and target value
Comparison is as shown in table 1.
Table 1
As it can be seen from table 1 the performance indicator for the diaphragm of supercapacitor paper that 1-8 of the embodiment of the present invention is produced is full
The test result of the requirement of foot-eye value, 8 kinds of schemes shows that the aperture using the diaphragm of supercapacitor paper of this method production is big
It is small suitable and all have higher porosity and higher mechanical strength；By the diaphragm of supercapacitor super electricity made of paper being made
Container, ESR variation multiple and C change rate under the high temperature conditions illustrate the super electricity of this method production in critical field
Container diaphragm paper thermal stability with higher, can satisfy the demand of supercapacitor high-temperature work environment.
Several embodiments of the present invention are described in detail above, but the content is only preferable implementation of the invention
Example, should not be considered as limiting the scope of the invention.It is all according to all the changes and improvements made by the present patent application range
Deng should still be within the scope of the patent of the present invention.
Claims (8)
1. a kind of production method of diaphragm of supercapacitor paper, which comprises the following steps:
1) add water to discongest dispersion fibrillating fibre and be configured to the slurry A that concentration is 4.0~10%；Using beater to slurry A
Mashing carries out wire-dividing broom purification, obtains slurry B；The beating degree of slurry B is 70~80 ° of SR, and weight in wet base is 0.8~2.0g, and fiber is average
Length is 0.5~1.5mm, and mean fibre width is 20~30 μm；
2) mercerising slurry plus water are discongested into dispersion mashing processing, obtains slurry C；The beating degree of slurry C is 20~30 ° of SR, and weight in wet base is
2.0~4.0g, average fiber length are 1.0~1.5mm, and mean fibre width is 20~30 μm；
3) add water to discongest vinylon fibre to be uniformly dispersed, obtain slurry D；
4) add water to discongest nano-cellulose to be uniformly dispersed, obtain slurry E；
5) slurry B, slurry C, slurry D and slurry E are mixed evenly in proportion to obtain slurry F, wherein the proportion of slurry B is
80~90%, the proportion of slurry C is 3~20%, the proportion of slurry D is 0~10%, the proportion of slurry E is 0~2%；
6) dispersing agent is added in slurry F, is mixed evenly to obtain slurry G, wherein the dosage of dispersing agent is relative to total exhausted
Dry pulp amount is 0~1.5%；
7) it manufactures paper with pulp using water as medium to slurry G, obtains diaphragm of supercapacitor paper；
Step 1), step 2), the sequence of step 3) and step 4) are in no particular order.
2. a kind of production method of diaphragm of supercapacitor paper according to claim 1, which is characterized in that the fibrillation
The length of fiber is 38mm or 6mm.
3. a kind of production method of diaphragm of supercapacitor paper according to claim 1, which is characterized in that the polyvinyl is fine
Dimension is one of water-soluble polyvinyl alcohol fibers, polyolefine fiber or polyester fiber, and dosage is 3 relative to total oven dry stock amount
~10%.
4. a kind of production method of diaphragm of supercapacitor paper according to claim 1, which is characterized in that the dispersing agent
For one of polyethylene glycol oxide or polyacrylamide.
5. a kind of production method of diaphragm of supercapacitor paper according to claim 1, which is characterized in that in step 7) with
When water is that medium manufactures paper with pulp to slurry G, manufactured paper with pulp using long mesh paper making machine or cylinder mould machine.
6. a kind of production method of diaphragm of supercapacitor paper according to claim 1, which is characterized in that step 1), step
The rapid water 2), in step 3), step 4) and step 7) being added is deionized water.
7. a kind of production method of diaphragm of supercapacitor paper according to claim 1, which is characterized in that the super electricity
Container diaphragm paper is handled using surface finish, to ensure that the super capacitor diaphragm paper surfacing, thickness are uniform.
8. a kind of production method of diaphragm of supercapacitor paper according to claim 1, which is characterized in that the super electricity
Hold diaphragm paper 23 DEG C of temperature, humidity 50%RH detection environment under, quantification of 14 ± 2g/m2, longitudinal with a thickness of 30 ± 2 μm
Tensile strength >=0.65kN/m, porosity of=60%, average pore size are 0.5~1.2 μm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114875716A (en) * | 2022-04-12 | 2022-08-09 | 株洲时代新材料科技股份有限公司 | Capacitor paper and preparation method and application thereof |
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| JP2014186857A (en) * | 2013-03-22 | 2014-10-02 | Mitsubishi Paper Mills Ltd | Separator base material for lithium ion secondary batteries, and separator for lithium ion secondary batteries |
| CN105887553A (en) * | 2014-12-26 | 2016-08-24 | 中国制浆造纸研究院 | Supercapacitor dielectric absorption material and production method thereof |
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| CN108978354A (en) * | 2018-09-10 | 2018-12-11 | 浙江凯恩特种纸业有限公司 | A kind of enhanced super electrolytic capacitor diaphragm paper and its production method |
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| CN114875716A (en) * | 2022-04-12 | 2022-08-09 | 株洲时代新材料科技股份有限公司 | Capacitor paper and preparation method and application thereof |
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