KR20150109026A - 전고체상 박막형 수퍼커패시터 및 그 제조 방법 - Google Patents
전고체상 박막형 수퍼커패시터 및 그 제조 방법 Download PDFInfo
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- KR20150109026A KR20150109026A KR1020140031941A KR20140031941A KR20150109026A KR 20150109026 A KR20150109026 A KR 20150109026A KR 1020140031941 A KR1020140031941 A KR 1020140031941A KR 20140031941 A KR20140031941 A KR 20140031941A KR 20150109026 A KR20150109026 A KR 20150109026A
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
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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
- H01G11/22—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
- 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
-
- 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)
- Microelectronics & Electronic Packaging (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
Abstract
Description
도 2는 본 발명에 따른 수퍼커패시터 제조 방법의 순서도이다.
도 3은 본 발명에 따라 전고체상 수퍼커패시터 제작을 위한 공정을 도시한 모식도이다.
도 4는 스프레이 코팅의 모식도이다.
도 5는 본 발명에 따라 MWNT/V2O5 나노선을 합성한 전극의 SEM 이미지와 농도에 따른 XPS 측정 결과이다.
도 6은 본 발명에 따라 스프레이 코팅 및 패터닝 공정을 이용하여 제작한 평면형 수퍼커패시터의 이미지이다.
도 7은 본 발명에 따라 제조한 수퍼커패시터의 특성을 측정한 순환 볼타모그램(cyclic voltamogram)의 실제 데이터와 전극의 농도 변화에 따른 용량 변화 그래프이다.
도 8은 V2O5 나노선의 농도를 10 vol%로 하여 본 발명에 따라 제조한 수퍼커패시터의 순환 볼타모그램 측정 그래프 및 스캔속도에 따른 부피 용량 그래프이다.
도 9는 본 발명에 따른 수퍼커패시터와 기존 수퍼커패시터의 에너지 밀도와 출력밀도의 관계를 단위 부피당 표시한 라곤 플롯(Ragon plot)이다.
도 10은 본 발명에 따라 휘어지는 기판 상에 제작한 전고체상 마이크로 수퍼커패시터의 이미지이다.
도 11은 본 발명에 따라 수퍼커패시터와 다른 소자를 하나의 기판 위에 집적한 소자의 이미지와 충방전 그래프를 보여준다.
Claims (9)
- 휘어짐이나 늘임 가능한 기판;
상기 기판 위에 형성된 금속 집전체;
상기 집전체 상의 전극; 및
전해질을 포함하고,
상기 전극은 탄소기반물질과 산화금속의 혼합물로 이루어진 것을 특징으로 하는 수퍼커패시터. - 제1항에 있어서, 상기 탄소기반물질은 활성탄소, 탄소나노튜브, 탄소나노 파우더 또는 그래핀 파우더이고, 상기 산화금속은 RuO2, MnO2, SnO2 또는 V2O5인 것을 특징으로 하는 수퍼커패시터.
- 기판 상에 금속 집전체를 형성하는 단계;
상기 집전체 상에 전극 용액 스프레이 코팅 방법으로 전극을 형성하는 단계; 및
상기 전극 상에 전해질을 형성하는 단계를 포함하고,
상기 전극은 탄소기반물질과 산화금속의 혼합물로 이루어진 것을 특징으로 하는 수퍼커패시터 제조 방법. - 제3항에 있어서, 상기 탄소기반물질은 활성탄소, 탄소나노튜브, 탄소나노 파우더 또는 그래핀 파우더이고, 상기 산화금속은 RuO2, MnO2, SnO2 또는 V2O5인 것을 특징으로 하는 수퍼커패시터 제조 방법.
- 제4항에 있어서, 상기 전극을 형성하는 단계는,
탄소기반물질과 산화금속을 용매에 혼합시켜 전극 용액을 만드는 단계;
상기 집전체 상에 레지스트 패턴을 형성하는 단계;
상기 전극 용액을 상기 집전체 상에 스프레이 코팅하는 단계; 및
상기 레지스트 패턴을 제거하는 단계를 포함하는 것을 특징으로 하는 수퍼커패시터 제조 방법. - 제5항에 있어서, 상기 탄소기반물질은 산용액 처리해 기능기를 붙인 후 사용하는 것을 특징으로 하는 수퍼커패시터 제조 방법.
- 제5항에 있어서, 상기 전극 용액 중의 탄소기반물질 농도는 0.5mg/ml에서 2mg/ml이고 상기 산화금속 농도는 5 vol%에서 15 vol%인 것을 특징으로 하는 수퍼커패시터 제조 방법.
- 제3항에 있어서, 상기 기판은 휘어짐이나 늘임 가능한 기판인 것을 특징으로 하는 수퍼커패시터 제조 방법.
- 제3항에 있어서, 상기 기판으로부터 상기 집전체와 전극을 분리하여 휘어짐이나 늘임 가능한 다른 기판 상에 전사하는 단계를 더 포함하는 것을 특징으로 하는 수퍼커패시터 제조 방법.
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KR101862936B1 (ko) * | 2016-10-28 | 2018-05-31 | 고려대학교 산학협력단 | 마이크로 수퍼커패시터, 마이크로 수퍼커패시터 어레이, 및 이의 제조방법 |
KR101882128B1 (ko) | 2017-01-11 | 2018-08-24 | 고려대학교 산학협력단 | 완전 생분해성 슈퍼커패시터 및 그 제조방법 |
KR102132795B1 (ko) | 2018-11-07 | 2020-07-10 | 인하대학교 산학협력단 | 고성능 슈퍼커패시터 전극소재용 활성탄/이산화망간 복합체 |
KR102556903B1 (ko) * | 2021-09-08 | 2023-07-20 | 한국과학기술원 | 대면적 맥신 전극 패턴의 전사에 의한 유연 마이크로 슈퍼캐패시터 소자 제조 방법 |
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