CN110690060B - Electrolyte for improving working voltage of aqueous electrochemical capacitor - Google Patents
Electrolyte for improving working voltage of aqueous electrochemical capacitor Download PDFInfo
- Publication number
- CN110690060B CN110690060B CN201910947129.6A CN201910947129A CN110690060B CN 110690060 B CN110690060 B CN 110690060B CN 201910947129 A CN201910947129 A CN 201910947129A CN 110690060 B CN110690060 B CN 110690060B
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- CN
- China
- Prior art keywords
- electrolyte
- water
- electrode
- solvent
- voltage
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000003792 electrolyte Substances 0.000 title claims abstract description 111
- 239000003990 capacitor Substances 0.000 title claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000002904 solvent Substances 0.000 claims abstract description 30
- -1 polyoxyethylene Polymers 0.000 claims abstract description 23
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims abstract description 16
- 150000002500 ions Chemical group 0.000 claims abstract description 14
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims abstract description 13
- 239000011259 mixed solution Substances 0.000 claims abstract description 11
- 229940051841 polyoxyethylene ether Drugs 0.000 claims abstract description 11
- 229920000056 polyoxyethylene ether Polymers 0.000 claims abstract description 11
- 229910052938 sodium sulfate Inorganic materials 0.000 claims abstract description 10
- 235000011152 sodium sulphate Nutrition 0.000 claims abstract description 10
- 239000002563 ionic surfactant Substances 0.000 claims abstract description 5
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 claims abstract description 4
- 150000003839 salts Chemical class 0.000 abstract description 13
- 230000002209 hydrophobic effect Effects 0.000 abstract description 11
- 238000000354 decomposition reaction Methods 0.000 abstract description 8
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 abstract description 6
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 abstract description 6
- 239000001632 sodium acetate Substances 0.000 abstract description 6
- 235000017281 sodium acetate Nutrition 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 235000011056 potassium acetate Nutrition 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 19
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 16
- 239000011734 sodium Substances 0.000 description 15
- 229910052708 sodium Inorganic materials 0.000 description 14
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 13
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 13
- 239000007772 electrode material Substances 0.000 description 12
- 229910052799 carbon Inorganic materials 0.000 description 11
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 9
- 239000008151 electrolyte solution Substances 0.000 description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
- 239000005486 organic electrolyte Substances 0.000 description 8
- 229910021653 sulphate ion Inorganic materials 0.000 description 8
- 239000006230 acetylene black Substances 0.000 description 7
- 239000004744 fabric Substances 0.000 description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 7
- 239000004810 polytetrafluoroethylene Substances 0.000 description 7
- 238000006460 hydrolysis reaction Methods 0.000 description 6
- 230000007062 hydrolysis Effects 0.000 description 5
- 238000000840 electrochemical analysis Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000002484 cyclic voltammetry Methods 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 150000001447 alkali salts Chemical class 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 238000012983 electrochemical energy storage Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 238000006479 redox reaction Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000002608 ionic liquid Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- INHCSSUBVCNVSK-UHFFFAOYSA-L lithium sulfate Inorganic materials [Li+].[Li+].[O-]S([O-])(=O)=O INHCSSUBVCNVSK-UHFFFAOYSA-L 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 235000011118 potassium hydroxide Nutrition 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 description 1
- RBTVSNLYYIMMKS-UHFFFAOYSA-N tert-butyl 3-aminoazetidine-1-carboxylate;hydrochloride Chemical compound Cl.CC(C)(C)OC(=O)N1CC(N)C1 RBTVSNLYYIMMKS-UHFFFAOYSA-N 0.000 description 1
- AEXDMFVPDVVSQJ-UHFFFAOYSA-N trifluoro(trifluoromethylsulfonyl)methane Chemical group FC(F)(F)S(=O)(=O)C(F)(F)F AEXDMFVPDVVSQJ-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/54—Electrolytes
- H01G11/58—Liquid electrolytes
- H01G11/62—Liquid electrolytes characterised by the solute, e.g. salts, anions or cations therein
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/54—Electrolytes
- H01G11/58—Liquid electrolytes
- H01G11/60—Liquid electrolytes characterised by the solvent
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
Description
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Priority Applications (1)
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CN201910947129.6A CN110690060B (en) | 2019-09-29 | 2019-09-29 | Electrolyte for improving working voltage of aqueous electrochemical capacitor |
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CN201910947129.6A CN110690060B (en) | 2019-09-29 | 2019-09-29 | Electrolyte for improving working voltage of aqueous electrochemical capacitor |
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CN110690060A CN110690060A (en) | 2020-01-14 |
CN110690060B true CN110690060B (en) | 2020-11-20 |
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CN201910947129.6A Expired - Fee Related CN110690060B (en) | 2019-09-29 | 2019-09-29 | Electrolyte for improving working voltage of aqueous electrochemical capacitor |
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CN (1) | CN110690060B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112863878B (en) * | 2021-01-06 | 2022-07-26 | 广州金立电子有限公司 | Low-leakage aluminum electrolytic capacitor working electrolyte |
CN115466474A (en) * | 2021-06-10 | 2022-12-13 | 香港理工大学 | Moisture power generation material and device |
CN114582637A (en) * | 2022-03-09 | 2022-06-03 | 太原理工大学 | Water-based electrolyte of supercapacitor and preparation method and application thereof |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100540701B1 (en) * | 2003-04-22 | 2006-01-11 | 엔이씨 도낀 가부시끼가이샤 | Electrochemical cell |
FR2992479B1 (en) * | 2012-06-22 | 2014-08-08 | Commissariat Energie Atomique | COMPOSITION COMPRISING A SPECIFIC IONIC LIQUID |
CN105280397B (en) * | 2014-05-26 | 2018-07-03 | 中国科学院长春应用化学研究所 | A kind of aqueous electrolyte and ultracapacitor |
CN108630458B (en) * | 2017-03-20 | 2020-11-10 | 北京大学深圳研究生院 | Aqueous electrolyte and application thereof |
CN109036873A (en) * | 2018-08-08 | 2018-12-18 | 安徽长容电子有限公司 | A kind of Novel super capacitor electrolyte and preparation method thereof |
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2019
- 2019-09-29 CN CN201910947129.6A patent/CN110690060B/en not_active Expired - Fee Related
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CN110690060A (en) | 2020-01-14 |
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GR01 | Patent grant | ||
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CB03 | Change of inventor or designer information |
Inventor after: Yang Jiajie Inventor after: Huang Miaofeng Inventor after: Zheng Sirong Inventor after: Ren Xiaolian Inventor after: Ju Xin Inventor after: Chen Sen Inventor before: Huang Miaofeng Inventor before: Yang Jiajie Inventor before: Zheng Sirong Inventor before: Ren Xiaolian Inventor before: Ju Xin Inventor before: Chen Sen |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201120 |
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