CN105985481A - Resin composition for supercapacitor electrode, slurry, electrode, and supercapacitor - Google Patents
Resin composition for supercapacitor electrode, slurry, electrode, and supercapacitor Download PDFInfo
- Publication number
- CN105985481A CN105985481A CN201510510431.7A CN201510510431A CN105985481A CN 105985481 A CN105985481 A CN 105985481A CN 201510510431 A CN201510510431 A CN 201510510431A CN 105985481 A CN105985481 A CN 105985481A
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- weight
- electrode
- super capacitor
- construction unit
- resin combination
- Prior art date
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- 239000002002 slurry Substances 0.000 title claims abstract description 29
- 239000011342 resin composition Substances 0.000 title abstract 3
- 239000003990 capacitor Substances 0.000 claims abstract description 102
- 229920000642 polymer Polymers 0.000 claims abstract description 45
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 claims description 64
- 239000011347 resin Substances 0.000 claims description 46
- 229920005989 resin Polymers 0.000 claims description 46
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 26
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- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 17
- 239000003792 electrolyte Substances 0.000 claims description 16
- 150000001408 amides Chemical class 0.000 claims description 13
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 13
- 150000001735 carboxylic acids Chemical class 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 239000011149 active material Substances 0.000 claims description 8
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- 229910052799 carbon Inorganic materials 0.000 claims description 4
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- 230000005611 electricity Effects 0.000 claims 1
- 239000011267 electrode slurry Substances 0.000 claims 1
- 238000004146 energy storage Methods 0.000 abstract description 8
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- 238000000034 method Methods 0.000 description 20
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- 229910001870 ammonium persulfate Inorganic materials 0.000 description 7
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
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- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 3
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- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 2
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- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 1
- MKHFCTXNDRMIDR-UHFFFAOYSA-N cyanoiminomethylideneazanide;1-ethyl-3-methylimidazol-3-ium Chemical compound [N-]=C=NC#N.CCN1C=C[N+](C)=C1 MKHFCTXNDRMIDR-UHFFFAOYSA-N 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- IEPRKVQEAMIZSS-AATRIKPKSA-N diethyl fumarate Chemical compound CCOC(=O)\C=C\C(=O)OCC IEPRKVQEAMIZSS-AATRIKPKSA-N 0.000 description 1
- ZWWQRMFIZFPUAA-UHFFFAOYSA-N dimethyl 2-methylidenebutanedioate Chemical compound COC(=O)CC(=C)C(=O)OC ZWWQRMFIZFPUAA-UHFFFAOYSA-N 0.000 description 1
- LDCRTTXIJACKKU-ONEGZZNKSA-N dimethyl fumarate Chemical compound COC(=O)\C=C\C(=O)OC LDCRTTXIJACKKU-ONEGZZNKSA-N 0.000 description 1
- 229960004419 dimethyl fumarate Drugs 0.000 description 1
- LDCRTTXIJACKKU-ARJAWSKDSA-N dimethyl maleate Chemical compound COC(=O)\C=C/C(=O)OC LDCRTTXIJACKKU-ARJAWSKDSA-N 0.000 description 1
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Natural products C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000002296 dynamic light scattering Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 229920001249 ethyl cellulose Polymers 0.000 description 1
- 235000019325 ethyl cellulose Nutrition 0.000 description 1
- 229960004667 ethyl cellulose Drugs 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000005087 graphitization Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229920003063 hydroxymethyl cellulose Polymers 0.000 description 1
- 229940031574 hydroxymethyl cellulose Drugs 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000002608 ionic liquid Substances 0.000 description 1
- 229910001547 lithium hexafluoroantimonate(V) Inorganic materials 0.000 description 1
- 229910001540 lithium hexafluoroarsenate(V) Inorganic materials 0.000 description 1
- 229910001496 lithium tetrafluoroborate Inorganic materials 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- IQSHMXAZFHORGY-UHFFFAOYSA-N methyl prop-2-enoate;2-methylprop-2-enoic acid Chemical compound COC(=O)C=C.CC(=C)C(O)=O IQSHMXAZFHORGY-UHFFFAOYSA-N 0.000 description 1
- 229960002900 methylcellulose Drugs 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- QRWZCJXEAOZAAW-UHFFFAOYSA-N n,n,2-trimethylprop-2-enamide Chemical compound CN(C)C(=O)C(C)=C QRWZCJXEAOZAAW-UHFFFAOYSA-N 0.000 description 1
- 229940088644 n,n-dimethylacrylamide Drugs 0.000 description 1
- YLGYACDQVQQZSW-UHFFFAOYSA-N n,n-dimethylprop-2-enamide Chemical compound CN(C)C(=O)C=C YLGYACDQVQQZSW-UHFFFAOYSA-N 0.000 description 1
- DNTMQTKDNSEIFO-UHFFFAOYSA-N n-(hydroxymethyl)-2-methylprop-2-enamide Chemical compound CC(=C)C(=O)NCO DNTMQTKDNSEIFO-UHFFFAOYSA-N 0.000 description 1
- 229910021392 nanocarbon Inorganic materials 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 239000001254 oxidized starch Substances 0.000 description 1
- 235000013808 oxidized starch Nutrition 0.000 description 1
- GYDSPAVLTMAXHT-UHFFFAOYSA-N pentyl 2-methylprop-2-enoate Chemical compound CCCCCOC(=O)C(C)=C GYDSPAVLTMAXHT-UHFFFAOYSA-N 0.000 description 1
- ULDDEWDFUNBUCM-UHFFFAOYSA-N pentyl prop-2-enoate Chemical compound CCCCCOC(=O)C=C ULDDEWDFUNBUCM-UHFFFAOYSA-N 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 229920001197 polyacetylene Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229940068984 polyvinyl alcohol Drugs 0.000 description 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 1
- 235000019394 potassium persulphate Nutrition 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- QJWFJOSRSZOLKK-UHFFFAOYSA-N prop-2-enamide Chemical compound NC(=O)C=C.NC(=O)C=C QJWFJOSRSZOLKK-UHFFFAOYSA-N 0.000 description 1
- GUYXXEXGKVKXAW-UHFFFAOYSA-N prop-2-enenitrile Chemical compound C=CC#N.C=CC#N GUYXXEXGKVKXAW-UHFFFAOYSA-N 0.000 description 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- PNXMTCDJUBJHQJ-UHFFFAOYSA-N propyl prop-2-enoate Chemical compound CCCOC(=O)C=C PNXMTCDJUBJHQJ-UHFFFAOYSA-N 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 239000007870 radical polymerization initiator Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000007613 slurry method Methods 0.000 description 1
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 description 1
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- 229940048086 sodium pyrophosphate Drugs 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 229960005137 succinic acid Drugs 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical class O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 1
- 235000019818 tetrasodium diphosphate Nutrition 0.000 description 1
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- 125000001889 triflyl group Chemical group FC(F)(F)S(*)(=O)=O 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 238000007601 warm air drying Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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 invention provides a resin composition for a supercapacitor electrode, slurry, an electrode and a supercapacitor. The resin composition for the supercapacitor electrode comprises a polymer. The polymer includes a first structural unit represented by formula (1) and a second structural unit other than the first structural unit. The content of the first structural unit is 65 to 95% by weight and the content of the second structural unit is 5 to 35% by weight, based on 100% by weight of the polymer. The average particle size of the polymer is 290 to 490 nm.Formula (1) in formula (1), R1Is a hydrogen atom or a methyl group, R2Is an alkyl group having 4 to 10 carbon atoms. Therefore, when the energy storage device is applied to the super capacitor, the energy storage efficiency of the capacitor can be effectively improved.
Description
Technical field
The present invention relates to a kind of electrode of super capacitor resin combination, electrode of super capacitor slurry, electrode of super capacitor and ultracapacitor.Particularly relate to a kind of electrode of super capacitor resin combination, its prepared electrode of super capacitor slurry can produce the electrode of super capacitor, electrode of super capacitor slurry, electrode of super capacitor that between electrode layer and collector, adherence is good, and has the ultracapacitor of described electrode of super capacitor.
Background technology
Ultracapacitor (supercapacitor, hereinafter referred to as SC), it is also called double-layer capacitor (electrical double layer capacitor, hereinafter referred to as EDLC), it has higher energy density than general battery, and have can the advantage such as fast charging and discharging and high service life cycle, be therefore widely used for energy storage field.
Ultracapacitor is by electrochemical appliance on electrode for the electrical power storage in electric double layer mode.Super capacitor energy storage and release are all from the electric double layer structure that electrostatic charge absorption is formed.Owing to, during such electric double layer repeated structure discharge and recharge, producing the loss for electrolyte and electrode in electrochemical reaction process of general battery hardly, so having excellent reversible capacity and high service life cycle.But, in the processing procedure of the electrode of ultracapacitor, through winding steps, therefore easily cause the electrode layer on collector and peel off, and the energy storage efficiency of capacitor is not good.
Therefore, adherence between electrode layer and collector how is improved, the problem that actually this skilled person current desires most ardently solution.
Content of the invention
In view of this, the present invention provides a kind of electrode of super capacitor resin combination, slurry, electrode and ultracapacitor.
The present invention provides a kind of electrode of super capacitor resin combination, and it includes polymer.Polymer includes the first construction unit shown in formula (1) and the second construction unit in addition to the first construction unit.Being in terms of 100 weight % by polymer, the content of the first construction unit is 65 weight % to 95 weight %, and the content of the second construction unit is that 5 weight % are to 35 weight %.In addition, the average grain diameter of polymer is that 290 nanometers are to 490 nanometers.
In formula (1), R1For hydrogen atom or methyl, R2For the alkyl that carbon number is 4 to 10.
In one embodiment of this invention, the first above-mentioned construction unit is that 70 weight % are to 95 weight %.
In one embodiment of this invention, the first above-mentioned construction unit is that 75 weight % are to 90 weight %.
In one embodiment of this invention, the weight average molecular weight of above-mentioned polymer is 20,000 to 40,000.
In one embodiment of this invention, the second above-mentioned construction unit includes acid amides architecture unit, ethene unsaturated carboxylic acid construction unit, ethene esters of unsaturated carboxylic acids construction unit, aromatic ethenyl construction unit and acrylic construction unit.
In one embodiment of this invention, above-mentioned electrode of super capacitor resin combination, wherein the content of acid amides architecture unit be 1 weight % to 7 weight %, the content of ethene unsaturated carboxylic acid construction unit be 1 weight % to 7 weight %, the content of ethene esters of unsaturated carboxylic acids construction unit be 1 weight % to the content of 7 weight %, aromatic ethenyl construction unit be 1 weight % to the content of 15 weight %, acrylic construction unit be that 1 weight % is to 3 weight %.
In one embodiment of this invention, above-mentioned polymer is to react through emulsion polymerization and prepare.
In one embodiment of this invention, above-mentioned electrode of super capacitor resin combination, also includes water.
The present invention separately provides a kind of electrode of super capacitor slurry, and it includes above-mentioned electrode of super capacitor resin combination and active material.
The present invention also provides a kind of electrode of super capacitor, it include collector and be positioned at collector surface on electrode layer, wherein electrode layer is to be prepared by above-mentioned electrode of super capacitor slurry.
The present invention also provides a kind of ultracapacitor, comprising: two electrodes and the electrolyte being positioned between these electrodes, wherein at least one in these electrodes is above-mentioned electrode of super capacitor.
Based on above-mentioned, the electrode of super capacitor slurry prepared by electrode of super capacitor resin combination containing particular polymers can produce the electrode of super capacitor that between electrode layer and collector, adherence is good.Thereby, when being applied to ultracapacitor, the energy storage efficiency of capacitor can effectively be promoted.
For the features described above of the present invention and advantage can be become apparent, special embodiment below, and coordinate accompanying drawing to be described in detail below.
Brief description
Figure 1A is the explosive view of the behavior of spiral wound supercapacitor of one embodiment of the invention；
Figure 1B is the schematic internal view of the behavior of spiral wound supercapacitor of one embodiment of the invention；
Fig. 2 is the cross-sectional schematic along the I-I ' section in Figure 1B.
Description of reference numerals:
100: behavior of spiral wound supercapacitor；
110: main part；
110a: the face of cylinder；
110b: bottom surface；
110c: end face；
112: positive pole；
112a, 112c, 116a, 116c: electrode layer；
112b, 116b: collector；
114: electrolyte；
116: negative pole；
120: wire；
130: encapsulating housing；
140: closure member；
H: perforation；
L: lamination structure；
S1: barrier film；
S2: barrier film.
Detailed description of the invention
<electrode of super capacitor resin combination>
The present invention provides a kind of electrode of super capacitor resin combination, and it includes polymer.
Polymer includes the first construction unit shown in formula (1) and the second construction unit in addition to the first construction unit.
In formula (1), R1For hydrogen atom or methyl, R2For the alkyl that carbon number is 4 to 10.
First construction unit stems from the first monomer shown in formula (2).
In formula (2), R1And R2With the R in formula (1)1And R2Synonymous, do not repeat separately at this.
The concrete example of the first monomer includes but is not limited to the alkyl acrylates such as n-butyl acrylate, isobutyl acrylate, acrylic acid n-pentyl ester, isoamyl acrylate, the just own ester of acrylic acid, 2-EHA, acrylic acid 2,2-ethylhexyl；The just own ester of n-BMA, Isobutyl methacrylate, n-amylmethacrylate, isopentyl methacrylate, methacrylic acid, 2-Ethylhexyl Methacrylate, methacrylic acid 2, the alkyl methacrylates such as 2-ethylhexyl, or the combination of above-claimed cpd.
The first monomer one that can be used alone also can be combined multiple use.
The concrete example of the first monomer is preferably the combination of n-butyl acrylate, 2-EHA, or above-claimed cpd.
Be in terms of 100 weight % by polymer, the content of the first construction unit be 65 weight % to 95 weight %, preferably 70 weight % are to 95 weight %, and more preferably 75 weight % are to 90 weight %.When the content of the first construction unit is 65 weight % to 95 weight %, between the electrode layer of electrode of super capacitor and collector, adherence is good.
Second construction unit stems from second comonomer.Second construction unit includes acid amides architecture unit, ethene unsaturated carboxylic acid construction unit, ethene esters of unsaturated carboxylic acids construction unit, aromatic ethenyl construction unit and acrylic construction unit.Second comonomer includes acid amides system monomer, ethene unsaturated carboxylic acid monomer, ethene esters of unsaturated carboxylic acids monomer, aromatic vinyl monomer and acrylic monomer.
Acid amides architecture unit stems from acid amides system monomer.The concrete example of acid amides system monomer includes but is not limited to acrylamide (acrylamide), Methacrylamide, N hydroxymethyl acrylamide, N-methylol methacrylamide, N, N-DMAA (N, N-dimethylacrylamide), N, N-dimethylmethacryl amide (N, or the combination of above-claimed cpd N-dimethylmethacrylamide),.The acid amides system monomer one that can be used alone also can be combined multiple use.The concrete example of acid amides system monomer is preferably acrylamide or Methacrylamide, or the combination of above-claimed cpd.Being in terms of 100 weight % by polymer, the content of acid amides architecture unit is preferably 1 weight % to 7 weight %, and more preferably 2 weight % are to 6 weight %, and most preferably 2 weight % are to 5 weight %.
Ethene unsaturated carboxylic acid construction unit stems from ethene unsaturated carboxylic acid monomer.The concrete example of ethene unsaturated carboxylic acid monomer includes but is not limited to the combination of acrylic acid, methacrylic acid, maleic acid, crotonic acid, itaconic acid, fumaric acid, or above-claimed cpd.The ethene unsaturated carboxylic acid monomer one that can be used alone also can be combined multiple use.The concrete example of ethene unsaturated carboxylic acid monomer preferably includes acrylic acid, methacrylic acid, itaconic acid, or the combination of above-claimed cpd.Being in terms of 100 weight % by polymer, the content of ethene unsaturated carboxylic acid construction unit is preferably 1 weight % to 7 weight %, and more preferably 2 weight % are to 6 weight %, and most preferably 2 weight % are to 5 weight %.
Ethene esters of unsaturated carboxylic acids construction unit stems from ethene esters of unsaturated carboxylic acids monomer.The concrete example of ethene esters of unsaturated carboxylic acids monomer includes but is not limited to the alkyl acrylate of methyl acrylate, ethyl acrylate, propyl acrylate etc.；The alkyl methacrylate of methyl methacrylate, EMA etc.；The maleic acid Arrcostab of dimethyl maleate, diethyl maleate etc.；The alkyl itaconates of dimethyl itaconate etc.；The fumaric acid Arrcostab of fumaric acid mono-methyl, single-ethyl fumarate, dimethyl fumarate, diethyl fumarate etc., or the combination of above-claimed cpd.The ethene esters of unsaturated carboxylic acids monomer one that can be used alone also can be combined multiple use.The concrete example of ethene esters of unsaturated carboxylic acids monomer preferably includes methyl methacrylate, methyl acrylate, or the combination of above-claimed cpd.Being in terms of 100 weight % by polymer, the content of ethene esters of unsaturated carboxylic acids construction unit is preferably 1 weight % to 7 weight %, and more preferably 2 weight % are to 6 weight %, and most preferably 2 weight % are to 5 weight %.
Aromatic ethenyl construction unit stems from aromatic vinyl monomer.The concrete example of aromatic vinyl monomer includes but is not limited to the combination of styrene, AMS, methyl-alpha-methyl, vinyltoluene, divinylbenzene, or above-claimed cpd.The aromatic vinyl monomer one that can be used alone also can be combined multiple use.The concrete example of aromatic vinyl monomer is preferably styrene or AMS, or the combination of above-claimed cpd.Being in terms of 100 weight % by polymer, the content of aromatic ethenyl construction unit is preferably 1 weight % to 15 weight %, and more preferably 3 weight % are to 13 weight %, and most preferably 5 weight % are to 11 weight %.
Acrylic construction unit stems from acrylic monomer.The concrete example of acrylic monomer includes but is not limited to acrylonitrile (acrylonitrile), Alpha-Methyl acrylonitrile (methacrylonitrile), or the combination of above-claimed cpd.The acrylic monomer one that can be used alone also can be combined multiple use.The concrete example of acrylic monomer is preferably acrylonitrile.Being in terms of 100 weight % by polymer, the content of acrylic construction unit is preferably 1 weight % to 3 weight %, and more preferably 1 weight % is to 2.5 weight %, and most preferably 1.3 weight % are to 2.2 weight %.
It is in terms of 100 weight % by polymer, when acid amides architecture unit, ethene unsaturated carboxylic acid construction unit, ethene esters of unsaturated carboxylic acids construction unit, aromatic ethenyl construction unit, and the content of acrylic construction unit in aforementioned range when, between the electrode layer of the electrode of super capacitor that electrode of super capacitor resin combination is produced and collector, adherence is preferable.
Being in terms of 100 weight % by polymer, the content of the second construction unit is that 5 weight % are to 35 weight %.Preferably 5 weight % are to 30 weight %, and more preferably 10 weight % are to 25 weight %.
The average grain diameter of polymer be 290 nanometers to 490 nanometers, preferably 300 nanometers are to 450 nanometers.When the average grain diameter of polymer is less than 290 nanometer, between the electrode layer of the electrode of super capacitor that electrode of super capacitor resin combination is produced and collector, adherence is not good.In addition, for synthesis viewpoint, average grain diameter is difficult to obtain more than the polymer of 490 nanometers.
The weight average molecular weight of polymer is preferably 20,000 to 40,000, more preferably 25,000 to 35,000.When polymer weight average molecular weight within the above range when, between the electrode layer of the electrode of super capacitor that electrode of super capacitor resin combination is produced and collector, adherence is preferable.
Polymer can make the first monomer and second comonomer react through emulsion polymerization and prepare in the presence of water, emulsifying agent, polymerization initiator.The concrete example of the first monomer and second comonomer, described above, does not repeats separately at this.In addition, be in terms of 100 weight % by the usage amount of the monomer mixture of synthetic polymer, the content of its first monomer and second comonomer is about suitable with the content of polymer the first construction unit and the second construction unit, does not repeats separately at this.
Water e.g. deionized water, ultra-pure water, ion exchange water, reverse osmosis water (Reverse Osmosis Water) or distilled water.Usage amount by the monomer mixture of synthetic polymer is in terms of 100 weight portions, the usage amount of water can be 100 weight portions to 1,000 weight portion.
The concrete example of emulsifying agent includes but is not limited to anionic surfactant, the sulfuric acid of such as higher alcohol, alkylbenzenesulfonate (such as neopelex), alkyl diphenyl ether disulfonate, aliphatic sulfonate, aliphatic carboxylate；Nonionic surface active agent, such as polyalkylene glycol alkyl ester type, alkyl phenyl ether type, alkyl ether；Or the combination of mentioned emulsifier.The concrete example of emulsifying agent is preferably sulfosuccinate dicyclohexyl maleate sodium salt (Sodium dicyclohexyl sulfosuccinate, trade name MA-80).Usage amount by the monomer mixture of synthetic polymer is in terms of 100 weight portions, and the usage amount of emulsifying agent can be that 0.5 weight portion is to 2 weight portions.
Polymerization initiator can be radical polymerization initiator.The concrete example of polymerization initiator includes but is not limited to the water-soluble polymerization initiator of potassium peroxydisulfate, sodium peroxydisulfate, ammonium persulfate etc.；Oil-soluble polymerization initiator, such as cumyl hydroperoxideBenzoyl peroxide, TBHP, acetic peroxide hydrogen, hydrogen peroxide diisopropyl benzene, 1,1,3,3-tetramethyl butyl hydroperoxide；Or the combination of above-mentioned polymerization initiator.The concrete example of polymerization initiator is preferably ammonium persulfate.Usage amount by the monomer mixture of synthetic polymer is in terms of 100 weight portions, and the usage amount of polymerization initiator can be that 0.01 weight portion is to 5 weight portions.
Emulsion polymerization reaction also can be carried out in the presence of other additives.Other additives can be enumerated such as the combination of antiaging agent, preservative, dispersant, tackifier or other additives above-mentioned.
Emulsion polymerization reaction is not particularly limited, it is possible to use batch wise polymerization, half batch wise polymerization, seeding polymerization (seed polymerization) etc..Additionally, the adding method for various compositions is also not particularly limited, it is possible to use adding method, by several times adding method, continuous adding method or automatically add (power feeding) method etc..
The temperature of emulsion polymerization reaction can be 40 to 100 DEG C, preferably 50 to 90 DEG C.The reaction time of emulsion polymerization reaction can be 2 to 12 hours, preferably 3 to 8 hours.
After emulsion polymerization reaction, can obtain the solution containing polymer and water, this solution can obtain, through reduced pressure concentration, the electrode of super capacitor resin combination that solids content is 20 weight % to 50 weight % again.It is to say, electrode of super capacitor resin combination, in addition to including polymer, can also include the water that synthetic polymer is used.
<electrode of super capacitor slurry>
The present invention separately provides a kind of electrode of super capacitor slurry, and it includes above-mentioned electrode of super capacitor resin combination and active material.In addition, if desired, electrode of super capacitor slurry can also include at least one additives such as corrosive agent, conductive adjuvant, tackifier, dispersant, stabilization agent and the extra water adding.
The concrete example of active material includes but is not limited to conductive carbon material, such as native graphite, Delanium or activated carbon.Delanium e.g. by oil, coal pitch or coke etc. through graphitization processing person.Electroconductive polymer such as polyacene (polyacene) is organic semiconductor, polyacetylene, poly-to stretching phenyl, or the combination of above-mentioned carbide.
As long as corrosive agent can with the surface of the aftermentioned collector of partial corrosion, and make outside the rough surface of collector, there is no other restriction.The concrete example of corrosive agent includes but is not limited to formic acid, acetic acid, oxalic acid, malonic acid, malic acid, tartaric acid, butanedioic acid or or the organic acid of propionic acid etc.；Or the inorganic acid of hydrochloric acid, phosphoric acid or sulfuric acid etc..
The concrete example of conductive adjuvant includes but is not limited to the carbon black such as acetylene black or Ketjen black (Ketjenblack)；The Nano carbon fibers such as vapor phase method carbon fiber；The conductive carbon such as CNT, graphite microparticles, or the combination of above-mentioned carbide.
The concrete example of tackifier includes but is not limited to carboxymethylcellulose calcium, methylcellulose, hydroxymethyl cellulose, ethyl cellulose, polyvinyl alcohol, polyacrylic acid (salt), oxidized starch, phosphorylated starch, casein, or the combination of above-mentioned tackifier.The concrete example of tackifier is preferably methylcellulose.
The concrete example of dispersant includes but is not limited to calgon, sodium tripolyphosphate, sodium pyrophosphate, Sodium Polyacrylate etc..
The concrete example of stabilization agent includes but is not limited to nonionic surface active agent, anionic surfactant, or a combination thereof.
Water can be used for promoting the uniformity of slurry.The concrete example of water is identical with the concrete example that synthetic polymer is used, and does not repeats separately at this.
The method preparing electrode of super capacitor slurry has no particular limits, as long as can mix electrode of super capacitor resin combination and active material.Specifically, the method for hybrid super capacitor electrode resin combination and active material is e.g. stirred with magnetic stirrer or is stirred with mechanical agitator.In the electrode of super capacitor slurry of the present invention, based on active material 100 weight portion, the usage amount of electrode of super capacitor resin combination be 1 weight portion to 40 weight portions, preferably 5 weight portions are to 30 weight portions.The solids content of electrode of super capacitor slurry is that 20 weight % are to 35 weight %.
<electrode of super capacitor and preparation method thereof>
The present invention separately provides a kind of electrode of super capacitor, it include collector and be positioned at collector surface on electrode layer, wherein electrode layer is to be prepared by above-mentioned electrode of super capacitor slurry.
Electrode of super capacitor is by by least one of coated for the electrode of super capacitor slurry described above upper surface in collector and lower surface, and drying etc. processes step and formed.
Collector e.g. aluminium, titanium, tantalum, iron, copper, nickel or stainless steel and other metal materials.Metal material can be sheet (metal forming), membranaceous or netted.
Coated for the electrode of super capacitor slurry method in collector can be used the methods such as scraper rod method, infusion process, direct roller method, woodburytype, extrusion, spread coating, reverse roll method or air knife method.
The method being dried can use placement drying, fan drying machine, warm air drying machine, infrared heater, far infra-red heater etc..Baking temperature is usually more than 50 DEG C.
<ultracapacitor>
The electrode of super capacitor resin combination of the present invention, electrode of super capacitor slurry and electrode of super capacitor, can be applicable in various known ultracapacitor.For example, such as behavior of spiral wound supercapacitor, stack-up type ultracapacitor or coin shape ultracapacitor.Utilize the electrode of super capacitor resin combination of the present invention and electrode of super capacitor slurry because of between electrode layer and collector, adherence is good and the energy storage efficiency that can effectively promote capacitor.
Figure 1A is the explosive view of the behavior of spiral wound supercapacitor of one embodiment of the invention.Figure 1B is the schematic internal view of the behavior of spiral wound supercapacitor of one embodiment of the invention.Referring to Figure 1A and Figure 1B.Behavior of spiral wound supercapacitor 100 includes main part the 110th, two wire the 120th, encapsulating housings 130 and closure member 140.The metals such as the material of wire 120 e.g. gold, silver, copper, nickel or stainless steel.The metals such as the material of encapsulating housing 130 e.g. aluminium, iron, copper, nickel or stainless steel.Closure member 140 is e.g. by rubber, Teflon or sheet.
Main part 110 is cylinder.Main part 110 has face of cylinder 110a, bottom surface 110b and end face 110c, and wherein bottom surface 110b and end face 110c is positioned at the opposite sides of face of cylinder 110a.Main part 110 is rolled and prepared by the lamination structure L including positive pole 112 and negative pole 116.Article two, wire 120 is electrically connected with positive pole 112 and negative pole 116 respectively.Encapsulating housing 130 is coated with the face of cylinder 110a and bottom surface 110b of main part 110.Closure member 140 is positioned on the end face 110c of main part 110, and has two perforation H.Article two, wire 120 is each passed through two perforation H of closure member 140 and is electrically connected with to outside.
Fig. 2 is the cross-sectional schematic along the I-I ' section in Figure 1B.By a left side, the right side sequentially lamination is positive pole the 112nd, barrier film S1, electrolyte the 114th, negative pole 116 and barrier film S2 to lamination structure L.Electrolyte 114 is positioned between positive pole 112 and negative pole 116.Barrier film S1 is positioned between positive pole 112 and electrolyte 114.Barrier film S2 is positioned at the side in contrast to electrolyte 114 of negative pole 116, namely negative pole 116 is positioned between electrolyte 114 and barrier film S2.
Positive pole 112 includes electrode layer 112a, collector 112b and electrode layer 112c, and wherein collector 112b is positioned between electrode layer 112a and electrode layer 112c.Electrode layer 112c is positioned at by barrier film S1.Negative pole 116 includes electrode layer 116a, collector 116b and electrode layer 116c, and wherein collector 116b is positioned between electrode layer 116a and electrode layer 116c.It is other that electrode layer 116a is positioned at electrolyte 114.Positive pole 112 and at least one in negative pole 116 are above-mentioned electrode of super capacitor.For the viewpoint of adherence, positive pole 112 and negative pole 116 are preferably all above-mentioned electrode of super capacitor.In another embodiment, at least one in electrode layer 112a, electrode layer 112c, electrode layer 116a and electrode layer 116c is also for containing above-mentioned electrode of super capacitor resin combination.
The selection of electrolyte 114 is not particularly limited, and could be used that known electrolytic solution for super capacitor, if the electrode layer not affected on electrode of super capacitor.The electrolyte 114 e.g. electrolyte such as lithium salts or ammonium salt is dissolved in the nonaqueous electrolyte that organic solvent is formed；1-ethyl-3-methyl-imidazoles cdicynanmide (1-ethyl-3-methylimidazolium dicyanamide), 1-butyl-3, the ionic liquid at room temperature etc. such as 5-dimethyl-pyridinium tribromide (1-butyl-3,5-dimethylpyridinium bromide) or 1-butyl-3-methyl-imidazoles hexafluorophosphate (1-butyl-3-methylimidazolium hexafluorophosphate).In the non-aqueous electrolyte, lithium salts e.g. LiPF6、LiBF4、LiAsF6、LiSbF6、LiC(SO2CF3)
3、LiN(SO2CF3)2Or combinations of the above.Ammonium salt e.g. triethyl group monomethyl ammonium tetrafluoroborate, tetraethyl ammonium tetrafluoroborate, tetraethyl ammonium hexafluorophosphate or combinations of the above.Organic solvent e.g. γ-butyl lactone, ethylene carbonate (ethylene carbonate, EC), propene carbonate, butylene, diethyl carbonate (diethyl carbonate, DEC), propyl acetate (propyl acetate, PA), dimethyl carbonate (dimethyl carbonate, DMC), methyl ethyl carbonate (ethylmethyl carbonate, EMC), sulfolane compounds, acetonitrile or combinations of the above.The concrete example of electrolyte 114 is preferably the carbonic allyl ester solution of triethyl group monomethyl ammonium tetrafluoroborate.
Barrier film S1, the selection of barrier film S2 are not particularly limited, and can use known or commercially available barrier film.Barrier film e.g. insulating materials, glass fibre or cellulose, and the microporous barrier that insulating materials can be made for the polyolefin such as polyethylene (PE), polypropylene (PP), paper pulp or adhesive-bonded fabric.
Embodiment
Hereinafter, the ratio of the various monomers in monomer mixture about with synthesized go out polymer in each construction unit ratio identical.
Embodiment 1
A. the preparation of electrode of super capacitor resin combination
In the reactor of resistance to pressure, insert the deionized water of 250 weight portions, the sulfosuccinate dicyclohexyl maleate sodium salt of 0.95 weight portion (as emulsifying agent, trade name MA-80) and the monomer mixture of 100 weight portions, being wherein in terms of 100 weight % by monomer mixture, 2-EHA (2-EHA) is 67 weight %；Acrylamide (hereinafter referred to as AM) is 5 weight %；Methacrylic acid (MAA) is 5 weight %；Methyl methacrylate (MMA) is 5 weight %；Styrene (SM) is 15 weight %；Acrylonitrile (AN) is 3 weight %.Then, after being warming up to 70 DEG C, add the ammonium persulfate (APS) of 1 weight portion as polymerization initiator, and carry out reacting 5 hours.Reaction carries out reduced pressure concentration after terminating, and the solids content that can obtain embodiment 1 is the electrode of super capacitor resin combination of 30 weight %.The average grain diameter of polymer contained in electrode of super capacitor resin combination, weight average molecular weight such as table 2.In addition, the method for measurement of average grain diameter, weight average molecular weight is as be described hereinafter.
B. the preparation of electrode of super capacitor slurry
The activated carbon (as active material) of 2 weight portion methylcellulose (as tackifier), the electrode of super capacitor resin combination of 16.7 weight portions and 93 weight portions is added in the deionized water of 254 weight portions, and mixing and stirring, the solids content that can obtain embodiment 1 is the slurry of 27 weight %.
C. the preparation of electrode of super capacitor
Being spread evenly across on aluminium foil (as collector) using scraper rod method by slurry, slurry thickness is 200 μm, and is placed in aluminium foil in baking oven.It is to toast 30 minutes at 80 DEG C in temperature, to be dried slurry.Then, aluminium foil is rolled, to make the electrode of the embodiment 1 of thickness about 100 μm, width about 10cm, length about 30cm.Evaluating obtained electrode, as be described hereinafter, and its result is as shown in table 2 for evaluation method.
D. the preparation of ultracapacitor
Utilize up-coiler, electrode and the barrier film (cellulose) of above-mentioned making are together wound, forming main part, and main part is connected wire.After the closure member vacuum drying of main part, cylindric aluminum packages housing and rubber, in the drying chamber, insert main part in aluminum packages housing.Then, injecting electrolyte, wherein electrolyte is the carbonic allyl ester solution dissolved with triethyl group monomethyl ammonium tetrafluoroborate.Then, close with closure member, can be prepared by the ultracapacitor of embodiment 1.
Embodiment 2 to embodiment 8
The electrode of super capacitor resin combination of embodiment 2 to embodiment 8, slurry, electrode and ultracapacitor are prepared with step same as in Example 1.Only difference is: changes composition and the consumption (as shown in table 2) thereof of electrode of super capacitor resin combination, is wherein called for short corresponding compound in table 2 as shown in table 1.Evaluating obtained electrode of super capacitor resin combination and electrode, its result is as shown in table 2.
Comparative example 1 to comparative example 8
The electrode of super capacitor resin combination of comparative example 1 to comparative example 8, slurry, electrode and ultracapacitor are prepared with step same as in Example 1.Only difference is: changes composition and the consumption (as shown in table 3) thereof of electrode of super capacitor resin combination, is wherein called for short corresponding compound in table 3 as shown in table 1.Evaluating obtained electrode of super capacitor resin combination and electrode, its result is as shown in table 3.
Table 1
| It is called for short | Composition |
| 2-EHA | 2-EHA (2-Ethylhexyl acrylate) |
| n-BA | N-butyl acrylate (n-Butyl acrylate) |
| AM | Acrylamide (Acrylamide) |
| MAM | Methacrylamide (Methacrylamide) |
| MAA | Methacrylic acid (Methacrylic acid) |
| AA | Acrylic acid (Acrylic acid) |
| IA | Itaconic acid (Itaconic acid) |
| MMA | Methyl methacrylate (Methyl methacrylate) |
| MA | Methyl acrylate (Methyl acrylate) |
| SM | Styrene (Styrene) |
| α-MS | AMS (α-Methyl styrene) |
| AN | Acrylonitrile (Acrylonitrile) |
| MA-80 | Sulfosuccinate dicyclohexyl maleate sodium salt (Sodium dicyclohexyl sulfosuccinate) |
| APS | Ammonium persulfate (Ammonium Persulfate) |
Table 2
Table 3
<evaluation method>
A. average grain diameter measures
By obtained electrode of super capacitor resin combination, with the average grain diameter of the dynamic light scattering method measurement polymer of laser diffraction analyzer (MALVERN company system, model: nano-s90).
B. weight average molecular weight measures
Weight average molecular weight (Mw) is that the calibration curve utilizing known available polystyrene standard to be made is tried to achieve, measure with the gel permeation chromatograph (GPC, water generation (Waters) company manufactures) of tool differential tortuosity ratio detecting and light scattering two functions of detecting.
C. adherence
Take the electrode of 1cm × 10cm.Then, electrode is bent so that it is one end is surrounded on the roller of a diameter of 1mm.Afterwards, in the case that electrode bends, one end of roller self-electrode is made to be rolled to other end (referred to as bending 1 time).After bending 10 times back and forth, and observe the electrode layer desorption on aluminium foil or situation about peeling off from aluminium foil.Metewand is as follows.
Zero: the surface of electrode smooths, and adherence is good.
: the surface of electrode occurs that slight crack or electrode layer peel off from aluminium foil surface, represents that adherence is not good.
<evaluation result>
Refer to table 2 and table 3, the content with the first construction unit is compared with embodiment 1 to the embodiment 8 of 65 weight % to 95 weight %, the content of the first construction unit be below 65 weight % comparative example the 2nd, the 3rd, the 5th, the adherence of 6 not good.As can be seen here, when the content of the first construction unit is 65 weight % to 95 weight %, between electrode layer in electrode of super capacitor and collector, adherence is good；When the content of the first construction unit is less than 65 weight %, between the electrode layer in electrode of super capacitor and collector, adherence is not good.
Compared with embodiment 1 to the embodiment 8 that the average grain diameter of polymer is 290 nanometers to 490 nanometers, the average grain diameter of polymer less than 290 nanometers comparative example the 1st, the 2nd, the 4th, the 7th, the adherence of 8 not good.As can be seen here, when the average grain diameter of polymer is 290 nanometers to 490 nanometer, between electrode layer in electrode of super capacitor and collector, adherence is good；When the average grain diameter of polymer is less than 290 nanometer, between the electrode layer in electrode of super capacitor and collector, adherence is not good.In addition, average grain diameter is difficult to synthesize more than the polymer of 490 nanometers.
In sum, the present invention proposes a kind of electrode of super capacitor resin combination.In electrode of super capacitor resin combination, by control the content of the first construction unit be 65 weight % to the average grain diameter of 95 weight % and polymer be that 290 nanometers are to 490 nanometers, and making when electrode of super capacitor resin combination is applied to electrode of super capacitor, between the electrode layer in electrode of super capacitor and collector, adherence is good.Therefore, when being applied to ultracapacitor, the energy storage efficiency of capacitor can effectively be promoted.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；Although the present invention being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: it still can the technical scheme described in foregoing embodiments be modified, or equivalent is carried out to wherein some or all of technical characteristic；And these modifications or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (11)
1. an electrode of super capacitor resin combination, it is characterised in that include:
Polymer, it includes the first construction unit shown in formula (1) and except described first construction unit
The second construction unit in addition,
Wherein, being in terms of 100 weight % by described polymer, the content of described first construction unit is 65 weights
Amount % to 95 weight %, the content of described second construction unit be 5 weight % to 35 weight %,
The average grain diameter of described polymer be 290 nanometers to 490 nanometers,
In formula (1), R1For hydrogen atom or methyl, R2For the alkyl that carbon number is 4 to 10.
2. electrode of super capacitor resin combination according to claim 1, it is characterised in that
Described first construction unit is that 70 weight % are to 95 weight %.
3. electrode of super capacitor resin combination according to claim 2, it is characterised in that
Described first construction unit is that 75 weight % are to 90 weight %.
4. electrode of super capacitor resin combination according to claim 1, it is characterised in that
The weight average molecular weight of described polymer is 20,000 to 40,000.
5. electrode of super capacitor resin combination according to claim 1, it is characterised in that
Described second construction unit includes acid amides architecture unit, ethene unsaturated carboxylic acid construction unit, ethene
Property esters of unsaturated carboxylic acids construction unit, aromatic ethenyl construction unit and acrylic construction unit.
6. electrode of super capacitor resin combination according to claim 5, it is characterised in that
The content of described acid amides architecture unit is 1 weight % to 7 weight %, described ethene unsaturated carboxylic acid knot
The content of structure unit is 1 weight % to 7 weight %, the containing of described ethene esters of unsaturated carboxylic acids construction unit
Amount be 1 weight % to 7 weight %, the content of described aromatic ethenyl construction unit be 1 weight % extremely
15 weight %, the content of described acrylic construction unit are that 1 weight % is to 3 weight %.
7. electrode of super capacitor resin combination according to claim 1, it is characterised in that
Described polymer is to react through emulsion polymerization and prepare.
8. electrode of super capacitor resin combination according to claim 1, it is characterised in that
Also include water.
9. an electrode of super capacitor slurry, it is characterised in that include:
Electrode of super capacitor resin combination as according to any one of claim 1 to 8；And
Active material.
10. an electrode of super capacitor, it is characterised in that include:
Collector；And
Electrode layer, is positioned on the surface of described collector, and is by super electricity as claimed in claim 9
Container electrode slurry and prepare.
11. 1 kinds of ultracapacitors, it is characterised in that include:
Two electrodes, at least one of which is electrode of super capacitor as claimed in claim 10；And
Electrolyte, is positioned between those electrodes.
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| TW104109207A TWI575012B (en) | 2015-03-23 | 2015-03-23 | Resin composition for electrode of supercapacitor, slurry, electrode and supercapacitor |
| TW104109207 | 2015-03-23 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11149929A (en) * | 1997-11-14 | 1999-06-02 | Nippon Zeon Co Ltd | Battery binder composition, battery electrode slurry, lithium secondary battery electrode, and lithium secondary battery |
| CN1560943A (en) * | 2000-09-04 | 2005-01-05 | ���µ�����ҵ��ʽ���� | Non-aqueous electrolyte secondary battery |
| CN101156264A (en) * | 2005-04-07 | 2008-04-02 | Lg化学株式会社 | Binder with good rate property and long cycleability for lithium secondary battery |
| JP2013093123A (en) * | 2011-10-24 | 2013-05-16 | Toyo Ink Sc Holdings Co Ltd | Composition for forming secondary battery electrode, secondary battery electrode, and secondary battery |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2008029502A1 (en) * | 2006-08-29 | 2008-03-13 | Unitika Ltd. | Binder for electrode formation, slurry for electrode formation using the binder, electrode using the slurry, secondary battery using the electrode, and capacitor using the electrode |
| CN101125971B (en) * | 2007-09-20 | 2010-08-25 | 厦门旺坤顺科技有限公司 | Coating with mosquito, fly and insect driving function and preparation method thereof |
| CN104109205B (en) * | 2013-10-28 | 2015-07-22 | 纪军 | Monoclonal antibody, antigen and gene, and application thereof |
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2015
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11149929A (en) * | 1997-11-14 | 1999-06-02 | Nippon Zeon Co Ltd | Battery binder composition, battery electrode slurry, lithium secondary battery electrode, and lithium secondary battery |
| CN1560943A (en) * | 2000-09-04 | 2005-01-05 | ���µ�����ҵ��ʽ���� | Non-aqueous electrolyte secondary battery |
| CN101156264A (en) * | 2005-04-07 | 2008-04-02 | Lg化学株式会社 | Binder with good rate property and long cycleability for lithium secondary battery |
| JP2013093123A (en) * | 2011-10-24 | 2013-05-16 | Toyo Ink Sc Holdings Co Ltd | Composition for forming secondary battery electrode, secondary battery electrode, and secondary battery |
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| TW201634562A (en) | 2016-10-01 |
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