KR20010025128A - 슈퍼캐패시터용 금속산화물 전극 및 그 제조방법 - Google Patents
슈퍼캐패시터용 금속산화물 전극 및 그 제조방법 Download PDFInfo
- Publication number
- KR20010025128A KR20010025128A KR1019990039888A KR19990039888A KR20010025128A KR 20010025128 A KR20010025128 A KR 20010025128A KR 1019990039888 A KR1019990039888 A KR 1019990039888A KR 19990039888 A KR19990039888 A KR 19990039888A KR 20010025128 A KR20010025128 A KR 20010025128A
- Authority
- KR
- South Korea
- Prior art keywords
- activated carbon
- electrode
- aqueous solution
- manganese
- metal oxide
- Prior art date
Links
- 229910044991 metal oxide Inorganic materials 0.000 title claims abstract description 28
- 150000004706 metal oxides Chemical class 0.000 title claims description 27
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 113
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims abstract description 91
- 239000007864 aqueous solution Substances 0.000 claims abstract description 31
- 239000012286 potassium permanganate Substances 0.000 claims abstract description 19
- 229940071125 manganese acetate Drugs 0.000 claims abstract description 14
- UOGMEBQRZBEZQT-UHFFFAOYSA-L manganese(2+);diacetate Chemical compound [Mn+2].CC([O-])=O.CC([O-])=O UOGMEBQRZBEZQT-UHFFFAOYSA-L 0.000 claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 13
- 239000003990 capacitor Substances 0.000 claims abstract description 8
- 239000008367 deionised water Substances 0.000 claims abstract description 8
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims description 12
- 239000000243 solution Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 239000011230 binding agent Substances 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- -1 polytetrafluoroethylene Polymers 0.000 claims description 2
- 238000010298 pulverizing process Methods 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims 1
- 229910052748 manganese Inorganic materials 0.000 claims 1
- 239000011572 manganese Substances 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract 1
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 14
- 229910052799 carbon Inorganic materials 0.000 description 7
- 238000002484 cyclic voltammetry Methods 0.000 description 6
- 239000003792 electrolyte Substances 0.000 description 6
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 239000007772 electrode material Substances 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 239000011149 active material Substances 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 235000011164 potassium chloride Nutrition 0.000 description 2
- 239000001103 potassium chloride Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229940075397 calomel Drugs 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical compound Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- PPNAOCWZXJOHFK-UHFFFAOYSA-N manganese(2+);oxygen(2-) Chemical class [O-2].[Mn+2] PPNAOCWZXJOHFK-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 1
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
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
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
-
- 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
- H01G11/46—Metal oxides
-
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
Description
Claims (8)
- 특정의 형상으로 제작된 슈퍼캐패시터용 금속산화물 전극에 있어서, 상기 전극은, 활성탄소의 내부기공 및 외부표면상에 코팅된 망간산화물의 분말입자와 이들을 결합시켜주는 바인더의 혼합물로 이루어진 것을 특징으로 하는 슈퍼캐패시터용 금속산화물 전극.
- 제 1 항에 있어서, 상기 바인더는 폴리테트라플루오로에틸렌(PTFE)으로서 5 중량% 혼합된 것을 특징으로 하는 슈퍼캐패시터용 금속산화물 전극.
- 제 1 항에 있어서, 상기 활성탄소의 함량은 상기 망간산화물 분말입자의 총량에 대하여 20 내지 80 중량%가 되는 것을 특징으로 한 슈퍼캐패시터용 금속산화물 전극.
- 제 3 항에 있어서, 상기 활성탄소는 그 표면적이 1500 내지 3000 m2/g 인 것을 특징으로 하는 슈퍼캐패시터용 금속산화물 전극.
- 제 4 항에 있어서, 상기 활성탄소의 함량은 상기 망간산화물 분말입자의 총량에 대하여 40 중량%이며, 그 표면적이 2000 m2/g 인 것을 특징으로 하는 슈퍼캐패시터용 금속산화물 전극.
- 제 1 항에 있어서, 상기 망간산화물은 활성탄소가 미리 분산된 수용액에 과망간산칼륨을 0.01 몰(mole) 첨가하여 활성탄소의 내부기공 및 외부표면에 흡착시킨 수용액과, 아세트산망간이 0.015 몰(mole) 첨가된 수용액을 반응시켜 형성된 것임을 특징으로 한 슈퍼캐패시터용 금속산화물 전극.
- 활성탄소(activated carbon) 분말을 탈이온수에 분산시켜 활성탄소 수용액을 준비하는 단계;상기 활성탄소 수용액에 과망간산칼륨(KMnO4)을 첨가하여 활성탄소에 과망간산칼륨을 흡착시킨 과망간산칼륨 수용액을 준비하는 단계;아세트산망간(manganese acetate) 수용액을 준비하는 단계;상기 과망간산칼륨 수용액에 상기 아세트산망간 수용액을 혼합시켜 아몰퍼스상 망간산화물(a-MnO2·nH2O)을 형성하는 단계; 및상기 아몰퍼스상 망간산화물을 적출하여 슈퍼캐패시터용 전극을 제작하는 단계를 구비하여 이루어진 것을 특징으로 하는 슈퍼캐패시터용 금속산화물 전극의 제조방법.
- 제 7 항에 있어서, 상기 아몰퍼스상 망간산화물로부터 전극을 제작하는 단계는,상기 아몰퍼스상 망간산화물의 분말입자를 상기 혼합된 수용액으로부터 필터링, 워싱 및 건조시켜 적출하는 단계;상기 아몰퍼스상 망간산화물의 분말입자를 분쇄하는 단계;상기 아몰퍼스상 망간산화물의 분쇄물에 바인더를 혼합하는 단계; 및상기 혼합물을 특정 형상으로 형상화하여 전극을 형성하는 단계를 구비하여 이루어지는 것을 특징으로 하는 슈퍼캐패시터용 금속산화물 전극의 제조 방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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KR1019990039888A KR100305435B1 (ko) | 1999-09-16 | 1999-09-16 | 슈퍼캐패시터용 금속산화물 전극 및 그 제조방법 |
US09/514,366 US6339528B1 (en) | 1999-09-16 | 2000-02-28 | Metal oxide electrode for supercapacitor and manufacturing method thereof |
JP2000080308A JP3978302B2 (ja) | 1999-09-16 | 2000-03-22 | スーパキャパシタ用金属酸化物電極及びその製造方法 |
US09/971,652 US6616875B2 (en) | 1999-09-16 | 2001-10-09 | Manufacturing method for a metal oxide electrode for supercapacitor |
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KR1019990039888A KR100305435B1 (ko) | 1999-09-16 | 1999-09-16 | 슈퍼캐패시터용 금속산화물 전극 및 그 제조방법 |
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KR100305435B1 KR100305435B1 (ko) | 2001-11-07 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100508234B1 (ko) * | 2002-11-29 | 2005-08-17 | 주식회사 기노리텍 | 슈퍼커패시터용 금속산화물 제조방법 및 금속산화물계슈퍼커패시터 제조방법 |
KR100622737B1 (ko) * | 2004-11-08 | 2006-09-19 | 현대자동차주식회사 | 고용량 수퍼캐패시터 전극 제조를 위한 망간산화물-탄소나노복합소재 합성방법 |
KR101045563B1 (ko) * | 2009-12-01 | 2011-07-01 | 한국과학기술연구원 | 금속산화물이 코팅된 카본 입자를 포함하는 전극 및 이를 구비하는 전기화학 캐퍼시터와 그 제조방법 |
-
1999
- 1999-09-16 KR KR1019990039888A patent/KR100305435B1/ko active IP Right Grant
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100508234B1 (ko) * | 2002-11-29 | 2005-08-17 | 주식회사 기노리텍 | 슈퍼커패시터용 금속산화물 제조방법 및 금속산화물계슈퍼커패시터 제조방법 |
KR100622737B1 (ko) * | 2004-11-08 | 2006-09-19 | 현대자동차주식회사 | 고용량 수퍼캐패시터 전극 제조를 위한 망간산화물-탄소나노복합소재 합성방법 |
KR101045563B1 (ko) * | 2009-12-01 | 2011-07-01 | 한국과학기술연구원 | 금속산화물이 코팅된 카본 입자를 포함하는 전극 및 이를 구비하는 전기화학 캐퍼시터와 그 제조방법 |
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KR100305435B1 (ko) | 2001-11-07 |
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