KR100819900B1 - 흑연계물질 함유 나노활성탄소섬유를 이용한 슈퍼캐패시터 - Google Patents
흑연계물질 함유 나노활성탄소섬유를 이용한 슈퍼캐패시터 Download PDFInfo
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- KR100819900B1 KR100819900B1 KR1020060052708A KR20060052708A KR100819900B1 KR 100819900 B1 KR100819900 B1 KR 100819900B1 KR 1020060052708 A KR1020060052708 A KR 1020060052708A KR 20060052708 A KR20060052708 A KR 20060052708A KR 100819900 B1 KR100819900 B1 KR 100819900B1
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- 239000010439 graphite Substances 0.000 title claims abstract description 57
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- 239000000463 material Substances 0.000 title claims abstract description 27
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- 238000010438 heat treatment Methods 0.000 claims description 6
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
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- 238000003763 carbonization Methods 0.000 claims description 4
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims description 4
- 229910021392 nanocarbon Inorganic materials 0.000 claims description 4
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 claims description 3
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims description 3
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- 229910013684 LiClO 4 Inorganic materials 0.000 claims description 3
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- 229910052744 lithium Inorganic materials 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
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- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
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- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- 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
- H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
- H01G11/86—Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
-
- 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
- H01G11/36—Nanostructures, e.g. nanofibres, nanotubes or fullerenes
-
- 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
- H01G11/40—Fibres
-
- 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)
- Microelectronics & Electronic Packaging (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nanotechnology (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
Description
구 분 | 방전용량(F/g) | 에너지밀도(Wh/㎏) |
실시예 13 | 77.8 | 31.3 |
실시예 14 | 60.2 | 28.5 |
실시예 15 | 58.5 | 27.8 |
비교예 1 | 14.4 | 7.3 |
Claims (7)
- 삭제
- 삭제
- 삭제
- 삭제
- 음극/전해질/격리판/전해질/양극의 구조를 갖는 슈퍼캐패시터에 있어서,상기 음극 물질로서 구리박판 또는 알루미늄박판 상에 흑연계물질 함유 나노활성탄소섬유가 도포된 것을 사용하되,상기 흑연계물질 함유 나노활성탄소섬유는,(1) 용매 100중량부에 대하여 유기고분자물질 7.5 내지 15중량부를 용해시켜 고분자용액을 수득하는 용해단계;(2) 흑연 또는 핏치 또는 이들의 혼합물로 이루어지는 그룹으로부터 선택되는 흑연계물질 5 내지 30중량부를 상기 고분자용액에 분산시켜 방사용액을 수득하는 분산단계;(3) 상기 방사용액을 방사시켜 나노섬유를 수득하는 방사단계;(4) 상기 나노섬유를 질소분위기 하에서 700 내지 1000℃의 온도범위로 30 내지 90분간 가열, 탄화시켜 나노탄소섬유를 수득하는 탄화단계; 및(5) 상기 나노탄소섬유에 수증기를 공급하면서 700 내지 1000℃의 온도범위로 50 내지 70분간 가열시켜 나노활성탄소섬유를 수득하는 활성화단계;를 포함하는 제조방법에 의해 제조된 것이고,상기 양극 물질로는 10 내지 800㎚의 크기의 메조세공을 포함하는 나노활성탄소섬유를 사용하며,상기 전해질로는 리튬염을 함유하는 유기용매를 사용하여 이루어짐을 특징으로 하는 슈퍼캐패시터.
- 제5항에 있어서,상기 리튬염은 LiPF6, LiBF4, LiClO4, Li(CF3SO2)2, LiSbF6 또는 LiAsF6 들로 이루어지는 그룹으로부터 선택된 것임을 특징으로 하는 슈퍼캐패시터.
- 제5항에 있어서,상기 유기용매는 에틸렌카보네이트, 프로필렌카보네이트, 디메틸카보네이트, 디에틸카보네이트, 아세톤, 아세토니트릴, n-메틸-2-피롤리돈(NMP) 또는 이들의 혼합물들로 이루어지는 그룹으로부터 선택된 것임을 특징으로 하는 슈퍼캐패시터.
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KR100819900B1 true KR100819900B1 (ko) | 2008-04-08 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2010053291A2 (ko) * | 2008-11-06 | 2010-05-14 | 전남대학교산학협력단 | 스킨-코어구조를 갖는 탄소나노섬유, 그 제조방법 및 상기 탄소나노섬유를 포함하는 제품 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101118186B1 (ko) * | 2008-08-13 | 2012-03-16 | 주식회사 아모그린텍 | 초고용량 커패시터용 전극물질, 이 전극물질을 이용한 초고용량 커패시터 전극 및 그 제조방법 |
KR101126784B1 (ko) * | 2009-09-25 | 2012-04-12 | 전남대학교산학협력단 | 망간산화물/탄소나노섬유복합재 제조방법 및 그 탄소나노섬유복합재를 포함하는 고용량 하이브리드 슈퍼의사캐패시터용 전극 |
KR101439154B1 (ko) * | 2013-11-21 | 2014-11-04 | 한국에너지기술연구원 | 나노잉크 및 제조방법, 이를 포함하는 박막형 초고용량 커패시터용 전극 및 제조방법 |
KR101794440B1 (ko) * | 2016-03-08 | 2017-11-07 | 한국과학기술원 | 코팅된 다공성 재료의 제조방법, 코팅된 다공성 재료 및 코팅된 다공성 재료를 포함하는 전극 |
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