CN107680829A - A kind of super capacitor electrode manufacture method - Google Patents
A kind of super capacitor electrode manufacture method Download PDFInfo
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- CN107680829A CN107680829A CN201710645364.9A CN201710645364A CN107680829A CN 107680829 A CN107680829 A CN 107680829A CN 201710645364 A CN201710645364 A CN 201710645364A CN 107680829 A CN107680829 A CN 107680829A
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- China
- Prior art keywords
- manufacture method
- super capacitor
- capacitor electrode
- rpm
- binding agent
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Classifications
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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
- H01G11/86—Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
-
- 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
A kind of super capacitor electrode manufacture method, it includes batch mixing, coating, roll process；Compounding process is made up of dry-mixed, wetting, scattered, binding agent blend step；Super capacitor electrode manufacture method provided by the invention, mixing process is simple, and mixing time can shorten 45 hours, reduces the electrode fabrication cycle；Cathode uniformity is good, the high-temperature load life-span, high-temperature storage and has extended cycle life.
Description
Technical field
The invention belongs to super capacitor production technical field, and in particular to a kind of super capacitor electrode manufacture method.
Background technology
The core parts of ultracapacitor are electrodes, and the manufacturing process of electrode is divided into dry electrode and two kinds of skills of wet electrode at present
Art, dry electrode technology are only to be processed into electrode by dry-mixed activated carbon powder and adhesive.Electrode material is to determine ultracapacitor
The central factor of performance；The mixing procedure of electrode material is complex at present, fabrication cycle length.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of super capacitor electrode manufacture method.
The technical scheme is that：A kind of super capacitor electrode manufacture method, it includes batch mixing, coating, roll process,
It is characterized in that：
Compounding process is made up of dry-mixed, wetting, scattered, binding agent blend step：
（1）It is dry-mixed；By solid powder：Active material, conductive agent, thickener, are poured into mixer, solid powder are mixed equal
It is even；
（2）Wetting；Solvent is poured into dry-mixed good powder, solid powder surfaces are fully soaked；
（3）It is scattered；Solvent is continuously added, mixer revolution is adjusted to fast state with rotation, thickener is fully dissolved, and
Each several part material is well mixed；
（4）Binding agent mixes；Binding agent is added into agitator, is well mixed.
Described active material, conductive agent, thickener, the mass percent of binding agent are respectively 80 ~ 90%, 5 ~ 10%, 2.5
~5%、2.5~5%；
The active material：Mass percent, activated carbon 80%, remaining 20%：NACF, mesoporous carbon, charcoal-aero gel, charcoal are received
Mitron, graphene；
The conductive agent：Mass percent, conductive black 95%, remaining 5%：Acetylene black, graphite powder；
The thickener：Mass percent, CMC（CMC）90%, remaining 10%：Polyvinyl alcohol（PVA）, hydroxypropyl
Methylcellulose（HPMC）；
The binding agent：Mass percent, SBR emulsion（SBR）90%, remaining 10%：Ptfe emulsion（PTFE）、
Polyacrylonitrile emulsion（PAN）；
The solvent is deionized water, ethanol, isopropanol.
Further, it is dry-mixed：Mixer revolution fast 10-35rpm, rotational velocity 100-300 rpm；Wetting：Mixer is public
Rotary speed 20-35 rpm, rotational velocity 500-800 rpm；It is scattered；Mixer revolution speed 20-35 rpm, rotational velocity
800-2500 rpm；Binding agent mixes：To mixer revolution speed 20-35 rpm, rotational velocity 200-1200 rpm.
Further, described active material, conductive agent, thickener, the mass percent of binding agent be respectively 85%, 5%,
5%、5%。
Further, the active material, mass percent：Activated carbon 80%, NACF 5%, mesoporous carbon 5%, charcoal gas
Gel 3%, carbon nanotube 2%, graphene 5%.
Further, the conductive agent, mass percent：Conductive black 95%, acetylene black 3%, graphite powder 2%.
Further, the thickener, mass percent：Sodium carboxymethylcellulose（CMC）90%, polyvinyl alcohol（PVA）
5%, hydroxypropyl methyl cellulose（HPMC）5%.
Further, the binding agent, mass percent：SBR emulsion（SBR）90%, ptfe emulsion
（PTFE）5%, polyacrylonitrile emulsion（PAN）5%.
Further, the solvent, mass percent：Deionized water 90%, ethanol 5%, isopropanol 5%；Ethanol, isopropanol
It is pure to analyze.
As preferable, the painting process：The aluminium foil for needing to coat is passed from coating machine head, by being coated with position
With baking oven until tail is wound, coating head gap and pump speed are regulated, is coated；Gap：10-200 μm, pump speed：60-65
RPM, coating thickness：65-250 μm；60 DEG C to 100 DEG C of oven temperature.
As preferable, the roll process：100 DEG C to 140 DEG C of roll squeezer temperature, dried with the temperature of roll-in；Need to
Want the electrode of roll-in to be arranged on let off roll, draw to wind-up roll, regulate roller clearance and pressure carries out roll-in；Gap：
10-200 μm, pressure 70-250 Ton.
Beneficial effect：Super capacitor electrode manufacture method provided by the invention, mixing process is simple, and mixing time can shorten
4-5 hours, reduce the electrode fabrication cycle；Cathode uniformity is good, the high-temperature load life-span, high-temperature storage and has extended cycle life.
Embodiment
With reference to specific embodiment, the present invention will be further described.
A kind of super capacitor electrode manufacture method, it includes batch mixing, coating, roll process, it is characterised in that：
Compounding process is made up of dry-mixed, wetting, scattered, binding agent blend step：
（1）It is dry-mixed；By solid powder：Active material, conductive agent, thickener, are poured into mixer, solid powder are mixed equal
It is even；
（2）Wetting；Solvent is poured into dry-mixed good powder, solid powder surfaces are fully soaked；
（3）It is scattered；Solvent is continuously added, mixer revolution is adjusted to fast state with rotation, thickener is fully dissolved, and
Each several part material is well mixed；
（4）Binding agent mixes；Binding agent is added into agitator, is well mixed.
Described active material, conductive agent, thickener, the mass percent of binding agent are respectively 80 ~ 90%, 5 ~ 10%, 2.5
~5%、2.5~5%；
The active material：Mass percent, activated carbon 80%, remaining 20%：NACF, mesoporous carbon, charcoal-aero gel, charcoal are received
Mitron, graphene；
The conductive agent：Mass percent, conductive black 95%, remaining 5%：Acetylene black, graphite powder；
The thickener：Mass percent, CMC（CMC）90%, remaining 10%：Polyvinyl alcohol（PVA）, hydroxypropyl
Methylcellulose（HPMC）；
The binding agent：Mass percent, SBR emulsion（SBR）90%, remaining 10%：Ptfe emulsion（PTFE）、
Polyacrylonitrile emulsion（PAN）；
The solvent is deionized water, ethanol, isopropanol.
Further, it is dry-mixed：Mixer revolution fast 10-35rpm, rotational velocity 100-300 rpm；Wetting：Mixer is public
Rotary speed 20-35 rpm, rotational velocity 500-800 rpm；It is scattered；Mixer revolution speed 20-35 rpm, rotational velocity
800-2500 rpm；Binding agent mixes：To mixer revolution speed 20-35 rpm, rotational velocity 200-1200 rpm.
Further, described active material, conductive agent, thickener, the mass percent of binding agent be respectively 85%, 5%,
5%、5%。
Further, the active material, mass percent：Activated carbon 80%, NACF 5%, mesoporous carbon 5%, charcoal gas
Gel 3%, carbon nanotube 2%, graphene 5%.
Further, the conductive agent, mass percent：Conductive black 95%, acetylene black 3%, graphite powder 2%.
Further, the thickener, mass percent：Sodium carboxymethylcellulose（CMC）90%, polyvinyl alcohol（PVA）
5%, hydroxypropyl methyl cellulose（HPMC）5%.
Further, the binding agent, mass percent：SBR emulsion（SBR）90%, ptfe emulsion
（PTFE）5%, polyacrylonitrile emulsion（PAN）5%.
Further, the solvent, mass percent：Deionized water 90%, ethanol 5%, isopropanol 5%；Ethanol, isopropanol
It is pure to analyze.
As preferable, the painting process：The aluminium foil for needing to coat is passed from coating machine head, by being coated with position
With baking oven until tail is wound, coating head gap and pump speed are regulated, is coated；Gap：10-200 μm, pump speed：60-65
RPM, coating thickness：65-250 μm；60 DEG C to 100 DEG C of oven temperature.
As preferable, the roll process：100 DEG C to 140 DEG C of roll squeezer temperature, dried with the temperature of roll-in；Need to
Want the electrode of roll-in to be arranged on let off roll, draw to wind-up roll, regulate roller clearance and pressure carries out roll-in；Gap：
10-200 μm, pressure 70-250 Ton.
After testing, using super capacitor electrode manufacture method provided by the invention prepared by electrode, apply in super capacitor：
DC internal resistance reduces 3% to 10%, and AC internal Resistance reduces 4% to 10%, the high-temperature load life-span：It is quiet after 65 DEG C of 2.7V, 3000 h
Capacitance conservation rate improves 5 % to 10%, and discharge capacitance improves 3 % to 8%, and AC internal Resistance increment rate reduces
15% to 40%；The high temperature storage life-span：70 DEG C, static capacity conservation rate improves 3 % to 6% after 1000 h, and discharge capacity is kept
Rate improves 2 % to 5%, and AC internal Resistance increment rate reduces 10% to 35%；Cycle life：Static capacity conservation rate after 400000 times
7 % to 15% are improved, discharge capacitance improves 6 % to 12%.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (10)
1. a kind of super capacitor electrode manufacture method, it includes batch mixing, coating, roll process, it is characterised in that：
Compounding process is made up of dry-mixed, wetting, scattered, binding agent blend step：
（1）It is dry-mixed；By solid powder：Active material, conductive agent, thickener, are poured into mixer, solid powder are mixed equal
It is even；
（2）Wetting；Solvent is poured into dry-mixed good powder, solid powder surfaces are fully soaked；
（3）It is scattered；Solvent is continuously added, mixer revolution is adjusted to fast state with rotation, thickener is fully dissolved, and
Each several part material is well mixed；
（4）Binding agent mixes；Binding agent is added into agitator, is well mixed；
Described active material, conductive agent, thickener, the mass percent of binding agent are respectively 80 ~ 90%, 5 ~ 10%, 2.5 ~ 5%,
2.5~5%；
The active material：Mass percent, activated carbon 80%, remaining 20%：NACF, mesoporous carbon, charcoal-aero gel, charcoal are received
Mitron, graphene；
The conductive agent：Mass percent, conductive black 95%, remaining 5%：Acetylene black, graphite powder；
The thickener：Mass percent, CMC（CMC）90%, remaining 10%：Polyvinyl alcohol（PVA）, hydroxypropyl
Methylcellulose（HPMC）；
The binding agent：Mass percent, SBR emulsion（SBR）90%, remaining 10%：Ptfe emulsion（PTFE）、
Polyacrylonitrile emulsion（PAN）；
The solvent is deionized water, ethanol, isopropanol.
A kind of 2. super capacitor electrode manufacture method according to claim 1, it is characterised in that：It is dry-mixed：Mixer revolves round the sun
Fast 10-35rpm, rotational velocity 100-300 rpm；Wetting：Mixer revolution speed 20-35 rpm, rotational velocity 500-800
rpm；It is scattered；Mixer revolution speed 20-35 rpm, rotational velocity 800-2500 rpm；Binding agent mixes：It is public to mixer
Rotary speed 20-35 rpm, rotational velocity 200-1200 rpm.
A kind of 3. super capacitor electrode manufacture method according to claim 1, it is characterised in that：Described active material,
Conductive agent, thickener, the mass percent of binding agent are respectively 85%, 5%, 5%, 5%.
A kind of 4. super capacitor electrode manufacture method according to claim 1, it is characterised in that：The active material, matter
Measure percentage：Activated carbon 80%, NACF 5%, mesoporous carbon 5%, charcoal-aero gel 3%, carbon nanotube 2%, graphene 5%.
A kind of 5. super capacitor electrode manufacture method according to claim 1, it is characterised in that：The conductive agent, quality
Percentage：Conductive black 95%, acetylene black 3%, graphite powder 2%.
A kind of 6. super capacitor electrode manufacture method according to claim 1, it is characterised in that：The thickener, quality
Percentage：Sodium carboxymethylcellulose（CMC）90%, polyvinyl alcohol（PVA）5%, hydroxypropyl methyl cellulose（HPMC）5%.
A kind of 7. super capacitor electrode manufacture method according to claim 1, it is characterised in that：The binding agent, quality
Percentage：SBR emulsion（SBR）90%, ptfe emulsion（PTFE）5%, polyacrylonitrile emulsion（PAN）5%.
A kind of 8. super capacitor electrode manufacture method according to claim 1, it is characterised in that：The solvent, quality hundred
Divide ratio：Deionized water 90%, ethanol 5%, isopropanol 5%；Ethanol, isopropanol are pure to analyze.
A kind of 9. super capacitor electrode manufacture method according to claim 1, it is characterised in that：The painting process：Will
The aluminium foil for needing to coat passes from coating machine head, by being coated with position and baking oven until tail is wound, regulates between coating head
Gap and pump speed, are coated；Gap：10-200 μm, pump speed：60-65 RPM, coating thickness：65-250 μm；Oven temperature
60 DEG C to 100 DEG C.
A kind of 10. super capacitor electrode manufacture method according to claim 1, it is characterised in that：The roll process：Roller
100 DEG C to 140 DEG C of press temperature, dried with the temperature of roll-in；The electrode for needing roll-in is arranged on let off roll, traction to receipts
On winding up roller, regulate roller clearance and pressure carries out roll-in；Gap：10-200 μm, pressure 70-250 Ton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710645364.9A CN107680829A (en) | 2017-08-01 | 2017-08-01 | A kind of super capacitor electrode manufacture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710645364.9A CN107680829A (en) | 2017-08-01 | 2017-08-01 | A kind of super capacitor electrode manufacture method |
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| Publication Number | Publication Date |
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| CN107680829A true CN107680829A (en) | 2018-02-09 |
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| CN201710645364.9A Pending CN107680829A (en) | 2017-08-01 | 2017-08-01 | A kind of super capacitor electrode manufacture method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111229100A (en) * | 2018-11-28 | 2020-06-05 | 成都市银隆新能源有限公司 | Preparation method of negative electrode slurry |
| CN111799101A (en) * | 2020-06-25 | 2020-10-20 | 常州卡本纳新材料科技有限公司 | Preparation method of nano-carbon supercapacitor slurry |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637531A (en) * | 2012-03-20 | 2012-08-15 | 深圳市今朝时代新能源技术有限公司 | Electrode of supercapacitor, preparation method of electrode and preparation method of slurry of electrode |
| CN103943378A (en) * | 2013-01-21 | 2014-07-23 | 东莞市长安东阳光铝业研发有限公司 | Manufacturing method of electrode used for supercapacitor |
| CN104934235A (en) * | 2014-03-23 | 2015-09-23 | 东莞市长安东阳光铝业研发有限公司 | Preparation method of super capacitor electrode |
| CN105489844A (en) * | 2015-11-07 | 2016-04-13 | 合肥国轩高科动力能源有限公司 | Preparation method of anode paste for lithium-ion power battery |
-
2017
- 2017-08-01 CN CN201710645364.9A patent/CN107680829A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637531A (en) * | 2012-03-20 | 2012-08-15 | 深圳市今朝时代新能源技术有限公司 | Electrode of supercapacitor, preparation method of electrode and preparation method of slurry of electrode |
| CN103943378A (en) * | 2013-01-21 | 2014-07-23 | 东莞市长安东阳光铝业研发有限公司 | Manufacturing method of electrode used for supercapacitor |
| CN104934235A (en) * | 2014-03-23 | 2015-09-23 | 东莞市长安东阳光铝业研发有限公司 | Preparation method of super capacitor electrode |
| CN105489844A (en) * | 2015-11-07 | 2016-04-13 | 合肥国轩高科动力能源有限公司 | Preparation method of anode paste for lithium-ion power battery |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111229100A (en) * | 2018-11-28 | 2020-06-05 | 成都市银隆新能源有限公司 | Preparation method of negative electrode slurry |
| CN111799101A (en) * | 2020-06-25 | 2020-10-20 | 常州卡本纳新材料科技有限公司 | Preparation method of nano-carbon supercapacitor slurry |
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| PB01 | Publication | ||
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Application publication date: 20180209 |