KR20110030950A - 탄소 에어로젤의 제조방법, 이를 이용한 슈퍼커패시터 전극의 제조방법 및 슈퍼커패시터의 제조방법 - Google Patents
탄소 에어로젤의 제조방법, 이를 이용한 슈퍼커패시터 전극의 제조방법 및 슈퍼커패시터의 제조방법 Download PDFInfo
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- KR20110030950A KR20110030950A KR1020090088632A KR20090088632A KR20110030950A KR 20110030950 A KR20110030950 A KR 20110030950A KR 1020090088632 A KR1020090088632 A KR 1020090088632A KR 20090088632 A KR20090088632 A KR 20090088632A KR 20110030950 A KR20110030950 A KR 20110030950A
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- carbon
- resorcinol
- airgel
- formaldehyde
- solvent
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- 239000004966 Carbon aerogel Substances 0.000 title claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 90
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 claims abstract description 82
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 72
- 238000000034 method Methods 0.000 claims abstract description 42
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 36
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 36
- 239000000203 mixture Substances 0.000 claims abstract description 31
- UEGPKNKPLBYCNK-UHFFFAOYSA-L magnesium acetate Chemical compound [Mg+2].CC([O-])=O.CC([O-])=O UEGPKNKPLBYCNK-UHFFFAOYSA-L 0.000 claims abstract description 29
- 239000011654 magnesium acetate Substances 0.000 claims abstract description 29
- 229940069446 magnesium acetate Drugs 0.000 claims abstract description 29
- 235000011285 magnesium acetate Nutrition 0.000 claims abstract description 29
- 239000002904 solvent Substances 0.000 claims abstract description 25
- 238000003763 carbonization Methods 0.000 claims abstract description 21
- 239000011259 mixed solution Substances 0.000 claims abstract description 13
- 230000032683 aging Effects 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 10
- 238000006482 condensation reaction Methods 0.000 claims abstract description 7
- 230000002194 synthesizing effect Effects 0.000 claims abstract description 5
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- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 71
- 229910052799 carbon Inorganic materials 0.000 claims description 62
- 230000008569 process Effects 0.000 claims description 30
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 20
- 239000007789 gas Substances 0.000 claims description 19
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 10
- 239000012153 distilled water Substances 0.000 claims description 8
- 239000000243 solution Substances 0.000 claims description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 7
- 239000011261 inert gas Substances 0.000 claims description 7
- 238000006467 substitution reaction Methods 0.000 claims description 6
- 239000003792 electrolyte Substances 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 239000006230 acetylene black Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000011255 nonaqueous electrolyte Substances 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 238000000498 ball milling Methods 0.000 claims 1
- 238000010298 pulverizing process Methods 0.000 claims 1
- 239000011148 porous material Substances 0.000 abstract description 52
- 239000004964 aerogel Substances 0.000 abstract description 7
- 238000000352 supercritical drying Methods 0.000 description 25
- 239000003054 catalyst Substances 0.000 description 20
- 239000000499 gel Substances 0.000 description 17
- 239000002245 particle Substances 0.000 description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 229910002804 graphite Inorganic materials 0.000 description 8
- 239000010439 graphite Substances 0.000 description 8
- 239000007772 electrode material Substances 0.000 description 7
- 238000001179 sorption measurement Methods 0.000 description 7
- 230000007423 decrease Effects 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 238000004832 voltammetry Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000002484 cyclic voltammetry Methods 0.000 description 3
- 238000003795 desorption Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- DGXAGETVRDOQFP-UHFFFAOYSA-N 2,6-dihydroxybenzaldehyde Chemical compound OC1=CC=CC(O)=C1C=O DGXAGETVRDOQFP-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000004566 IR spectroscopy Methods 0.000 description 2
- 238000001069 Raman spectroscopy Methods 0.000 description 2
- 238000003917 TEM image Methods 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001879 gelation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 239000013335 mesoporous material Substances 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- -1 phenol-furfural Chemical compound 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- ZXSBYAWLZRAJJY-UHFFFAOYSA-N 2,6-dihydroxybenzaldehyde phenol Chemical compound C1(O)=C(C(O)=CC=C1)C=O.OC1=CC=CC=C1 ZXSBYAWLZRAJJY-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910021607 Silver chloride Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000840 electrochemical analysis Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000009783 overcharge test Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004313 potentiometry Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000002336 sorption--desorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000011240 wet gel Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/0091—Preparation of aerogels, e.g. xerogels
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/312—Preparation
- C01B32/318—Preparation characterised by the starting materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
- C08G8/04—Condensation polymers of aldehydes or ketones with phenols only of aldehydes
- C08G8/08—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ
- C08G8/20—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with polyhydric phenols
- C08G8/22—Resorcinol
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
- C08J3/075—Macromolecular gels
-
- 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
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
- H01G11/38—Carbon pastes or blends; Binders or additives therein
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/042—Electrodes or formation of dielectric layers thereon characterised by the material
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Power Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Dispersion Chemistry (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
Description
BET(㎡/g) | 기공 체적(cc/g) | 기공 크기 (Å) |
밀도 (g/㎤) |
기공률(%) | |||
Vmeso | Vmicro | Vmacro | |||||
CA40/50 | 763 | 0.749 | 0.253 | 2.380 | 338.9 | 0.248 | 83 |
CA40/100 | 725 | 0.427 | 0.258 | 2.440 | 328.0 | 0.267 | 83 |
CA40/200 | 642 | 0.217 | 0.218 | 2.070 | 334.5 | 0.320 | 81 |
CA40/500 | 523 | 0.042 | 0.234 | 2.030 | 38.2 | 0.320 | 78 |
커패시턴스 | ESR(Ω) | 에너지 밀도(Wh/㎏) | 파워 밀도 (W/㎏) |
|||
F/g | F/cc | 10kHz | 1kHz | |||
CA40/50 | 125.1 | 41.7 | 0.1547 | 0.2376 | 17.4 | 165.7 |
CA40/100 | 80.2 | 36.0 | 0.1817 | 0.2904 | 11.1 | 155.0 |
CA40/200 | 52.9 | 29.9 | 0.1703 | 0.2762 | 7.4 | 105.8 |
CA40/500 | 4.4 | 12.4 | 0.1738 | 0.3560 | 0.6 | 78.6 |
커패시턴스 | ESR(Ω) | 에너지 밀도(Wh/㎏) | 파워 밀도 (W/㎏) |
|||
F/g | F/cc | 10kHz | 1kHz | |||
CA40/50 | 24.5 | 8.8 | 0.0755 | 0.1993 | 3.4 | 82.3 |
CA40/100 | 21.9 | 7.9 | 0.1195 | 0.2799 | 3.0 | 78.2 |
CA40/200 | 11.3 | 6.4 | 0.1253 | 0.3467 | 2.1 | 64.1 |
CA40/500 | 4.5 | 3.4 | 0.1456 | 0.3251 | 0.6 | 48.2 |
Claims (8)
- 포름알데히드와 레소시놀의 혼합 용액에 마그네슘 아세테이트를 첨가하여 교반하는 단계;25∼90℃의 온도에서 상기 마그네슘 아세테이트에 의해 상기 폴름알데히드와 레소시놀이 가수분해 축합 반응되어 체인을 형성하고, 상기 체인과 체인이 결합되어 클러스터를 형성하며, 상기 클러스터와 클러스터가 결합되어 네크워크를 이루는 젤화된 조성물이 합성되는 단계;상기 젤화된 조성물을 아세톤, 메탄올 또는 에탄올로 용매 치환하는 단계;용매 치환된 조성물을 에이징 시켜 젤 내부의 망목구조를 강화시키는 단계;에이징된 조성물에 함유된 용매를 액상의 이산화탄소로 용매치환하는 단계;이산화탄소를 초임계 상태로 만들어 이산화탄소로 용매치환된 조성물을 건조하여 RF 에어로젤을 형성하는 단계;상기 RF 에어로젤에 대하여 탄화 공정을 실시하여 탄소 에어로젤을 합성하는 단계를 포함하는 탄소 에어로젤의 제조방법.
- 제1항에 있어서, 상기 포름알데히드와 상기 레소시놀의 혼합 용액은 상기 포름알데히드와 상기 레소시놀을 증류수에 1∼10M의 농도가 되도록 혼합한 용액이고, 상기 포름알데히드와 상기 레소시놀의 혼합 용액에 상기 마그네슘 아세테이트를 상 기 레소시놀의 함량 대비 50∼500 몰비가 되도록 첨가하는 것을 특징으로 하는 탄소 에어로젤의 제조방법.
- 제1항에 있어서, 상기 포름알데히드와 상기 레소시놀의 혼합 용액은 상기 포름알데히드와 상기 레소시놀이 몰비로 1∼4:1의 비율로 혼합된 용액인 것을 특징으로 하는 탄소 에어로젤의 제조방법.
- 제1항에 있어서, 상기 에이징은,젤화된 조성물을 아세톤에 담지하여 25∼90℃ 온도 범위에서 6∼24시간 동안 실링한 용기 내에서 이루어지는 것을 특징으로 하는 탄소 에어로젤의 제조방법.
- 제1항에 있어서, 상기 건조는,이산화탄소가 초임계 상태로 되는 31℃의 온도 및 7.38MPa의 압력과 같거나 높은 온도 및 압력으로 일정 시간 동안 유지하여 건조하는 것을 특징으로 하는 탄소 에어로젤의 제조방법.
- 제1항에 있어서,상기 탄화 공정은 비활성 가스, 환원 가스 또는 비활성 가스와 환원 가스 분위기에서 600∼1000℃의 온도 범위에서 이루어지는 것을 특징으로 하는 탄소 에어로젤의 제조방법.
- 제1항에 기재된 방법을 이용하여 제조된 탄소 에어로젤을 볼밀링하여 분말로 분쇄하고, 상기 탄소 에어로젤 90∼98중량%, 전도성바인더 1∼5중량% 및 아세틸렌블랙 1∼5중량%를 알코올 또는 증류수에 혼합하여 페이스트화하고, 티타늄, 니켈, 알루미늄 호일, 플레이트 또는 메쉬에 50∼200 ㎛ 두께로 도포하여 전극을 형성하는 것을 특징으로 하는 슈퍼커패시터 전극의 제조방법.
- 제7항에서 제조한 전극을 2개의 전극으로 사용하고, 1∼10M 사이의 농도를 갖는 황산 용액의 수계 전해질이나 1∼10M 사이의 농도를 갖는 비수계 전해질을 담지하여 슈퍼커패시터로 형성한 것을 특징으로 하는 슈퍼커패시터의 제조방법.
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CN110590362A (zh) * | 2019-09-25 | 2019-12-20 | 东北大学 | 一种孔结构可控高强度等级孔碳整体柱的制备方法 |
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CN115504451A (zh) * | 2022-10-26 | 2022-12-23 | 中化学华陆新材料有限公司 | 一种高比表面积碳气凝胶及其制备方法 |
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CN110590362A (zh) * | 2019-09-25 | 2019-12-20 | 东北大学 | 一种孔结构可控高强度等级孔碳整体柱的制备方法 |
CN113284741A (zh) * | 2021-04-21 | 2021-08-20 | 西安理工大学 | 一种孔隙可调节的多孔活性碳电极材料的制备方法 |
CN113284741B (zh) * | 2021-04-21 | 2022-09-09 | 西安理工大学 | 一种孔隙可调节的多孔活性碳电极材料的制备方法 |
CN115504451A (zh) * | 2022-10-26 | 2022-12-23 | 中化学华陆新材料有限公司 | 一种高比表面积碳气凝胶及其制备方法 |
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