KR20180061672A - 전기화학 디바이스용 전극 및 그 제조방법 - Google Patents
전기화학 디바이스용 전극 및 그 제조방법 Download PDFInfo
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- KR20180061672A KR20180061672A KR1020160161103A KR20160161103A KR20180061672A KR 20180061672 A KR20180061672 A KR 20180061672A KR 1020160161103 A KR1020160161103 A KR 1020160161103A KR 20160161103 A KR20160161103 A KR 20160161103A KR 20180061672 A KR20180061672 A KR 20180061672A
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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
- H01G11/34—Carbon-based characterised by carbonisation or activation of carbon
-
- 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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- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
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- Battery Electrode And Active Subsutance (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
Description
도 2는 본 발명의 실시예에 따라 탄소판에 음극 시트가 부착된 모습을 보인 사진이다.
도 3은 본 발명의 실시예에 따라 전극체를 침적용 수조에 투입하고 있는 모습을 보인 사진이다.
도 4는 본 발명의 실시예에 따라 침적 코팅 후의 모습을 보인 전극의 사진이다.
| 비 고 | 침적액의 농도 (페놀수지의 함량) |
전압 [V] |
정전용량 [F] |
내부저항 [mΩ] |
| 실시예 1 |
2중량% | 3.8 | 0.28 | 45.2 |
| 실시예 2 |
5중량% | 3.8 | 0.32 | 30.3 |
| 실시예 3 |
10중량% | 3.8 | 0.36 | 28.4 |
| 실시예 4 |
15중량% | 3.8 | 0.30 | 42.5 |
| 실시예 5 |
20중량% | 3.8 | 0.25 | 48.6 |
| 실시예 6 |
25중량% | 3.8 | 0.21 | 51.8 |
| 비교예 1 |
미 코팅 | 3.8 | 0.20 | 64.3 |
| 비 고 | 페놀수지의 코팅(침적) 조건 |
전압 [V] |
정전용량 [F] |
내부저항 [mΩ] |
| 실시예 1 |
2중량% | 3.8 | 0.11 | 65.2 |
| 실시예 2 |
5중량% | 3.8 | 0.28 | 32.3 |
| 실시예 3 |
10중량% | 3.8 | 0.35 | 29.7 |
| 실시예 4 |
15중량% | 3.8 | 0.22 | 67.5 |
| 실시예 5 |
20중량% | 3.8 | 0.18 | 88.6 |
| 실시예 6 |
25중량% | 3.8 | 0.07 | 120.4 |
| 비교예 1 |
미 코팅 | 3.8 | 0.002 | - |
10A : 음극 10C : 양극
L : 리튬 금속박 S : 세퍼레이터
G : 가스킷
Claims (7)
- 금속 집전체와, 상기 금속 집전체의 한면 또는 양면에 형성된 전극 활물질층을 포함하는 전극을 준비하는 제1공정;
페놀수지와 용매를 포함하는 침적액을 얻는 제2공정; 및
상기 전극을 침적액에 침적, 코팅하는 제3공정을 포함하는 것을 특징으로 하는 전기화학 디바이스용 전극의 제조방법.
- 제1항에 있어서,
상기 침적액은 2중량% 내지 25중량%의 페놀수지를 포함하는 것을 특징으로 하는 전기화학 디바이스용 전극의 제조방법.
- 제1항에 있어서,
상기 침적액은 5중량% 내지 15중량%의 페놀수지를 포함하는 것을 특징으로 하는 전기화학 디바이스용 전극의 제조방법.
- 제1항에 있어서,
상기 제3공정은,
상기 전극을 지지체에 고정한 전극체를 얻는 단계와,
상기 전극체를 침적액에 침적, 코팅하는 단계를 포함하는 것을 특징으로 하는 전기화학 디바이스용 전극의 제조방법.
- 제4항에 있어서,
상기 전극 활물질층은 전극 활물질로서의 탄소재료, 바인더 및 도전재를 포함하고,
상기 지지체는 전극 활물질층을 구성하는 탄소재료와 동일한 탄소재료를 포함하는 것을 특징으로 하는 전기화학 디바이스용 전극의 제조방법.
- 금속 집전체와,
상기 금속 집전체의 한면 또는 양면에 형성된 전극 활물질층을 포함하고,
상기 전극 활물질층은 페놀수지와 용매를 포함하는 침적액에 침적되어 페놀수지가 코팅된 것을 특징으로 하는 전기화학 디바이스용 전극.
- 제6항에 있어서,
상기 전기화학 디바이스용 전극은 제1항 내지 제5항 중 어느 하나의 항에 따른 전기화학 디바이스용 전극의 제조방법에 의해 제조된 것을 특징으로 하는 전기화학 디바이스용 전극.
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| KR20150059726A (ko) | 2015-05-11 | 2015-06-02 | 한국과학기술연구원 | 향상된 리튬이온 도핑속도를 갖는 흑연전극 및 이를 채용한 리튬이온커패시터 |
-
2016
- 2016-11-30 KR KR1020160161103A patent/KR20180061672A/ko not_active Ceased
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| JP2011090869A (ja) | 2009-10-22 | 2011-05-06 | Shin-Etsu Chemical Co Ltd | 非水電解質二次電池用負極材料、非水電解質二次電池用負極材の製造方法並びに非水電解質二次電池用負極及び非水電解質二次電池 |
| KR101128654B1 (ko) | 2010-08-19 | 2012-03-26 | 삼성전기주식회사 | 전극의 리튬 이온 프리 도핑 방법 및 이를 이용한 전기 화학 커패시터의 제조 방법 |
| KR101179629B1 (ko) | 2011-07-07 | 2012-09-10 | 한국에너지기술연구원 | 리튬 이온의 프리 도핑 방법에 따른 리튬 이온 커패시터 제조 방법 및 이의 리튬 이온 커패시터 |
| KR20130134241A (ko) | 2012-05-30 | 2013-12-10 | 주식회사 엘지화학 | SiOx―탄소나노튜브 복합체를 포함하는 음극 활물질 및 이의 제조방법 |
| KR20150039555A (ko) | 2013-09-30 | 2015-04-10 | 삼성전자주식회사 | 복합체, 이를 이용한 탄소 복합체, 이를 포함한 전극, 리튬 전지, 전계 방출 소자, 바이오센서, 반도체 소자 및 열전소자 |
| KR20150059726A (ko) | 2015-05-11 | 2015-06-02 | 한국과학기술연구원 | 향상된 리튬이온 도핑속도를 갖는 흑연전극 및 이를 채용한 리튬이온커패시터 |
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