KR20200070821A - 액체금속 기반 커패시터 및 이의 제조방법 - Google Patents
액체금속 기반 커패시터 및 이의 제조방법 Download PDFInfo
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- KR20200070821A KR20200070821A KR1020180158365A KR20180158365A KR20200070821A KR 20200070821 A KR20200070821 A KR 20200070821A KR 1020180158365 A KR1020180158365 A KR 1020180158365A KR 20180158365 A KR20180158365 A KR 20180158365A KR 20200070821 A KR20200070821 A KR 20200070821A
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- liquid metal
- oxide film
- metal electrode
- gallium
- electrolyte
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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
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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
- H01G11/54—Electrolytes
- H01G11/58—Liquid electrolytes
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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
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- 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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- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
Description
도 2는 본 발명의 실시예에 따라 구현된 액체금속 기반 커패시터의 충전 및 방전 과정을 설명하기 위한 도면이다.
도 3은 본 발명의 실시예에 따라 구현된 액체금속 기반 커패시터의 커패시턴스 값을 측정한 그래프이다.
120: 제2 액체금속 전극
210: 제1 산화막
220: 제2 산화막
300: 전해질
Claims (10)
- 제1 액체금속 전극;
상기 제1 액체금속 전극과 마주보는 방향으로 소정 거리 이격되어 형성된 제2 액체금속 전극;
상기 제1 액체금속 전극 및 상기 제2 액체금속 전극 사이에 형성된 전해질;
상기 제1 액체금속 전극 및 상기 전해질 사이에 형성된 제1 산화막; 및
상기 제2 액체금속 전극 및 상기 전해질 사이에 형성된 제2 산화막;을 포함하고,
상기 제1 산화막 및 상기 제2 산화막은 상기 제1 액체금속 전극 및 상기 제2 액체금속 전극으로부터 형성된 자연산화막(native oxide)인 것인,
액체금속 기반 커패시터.
- 제1항에 있어서,
상기 제1 액체금속 전극 및 상기 제2 액체금속 전극은, 각각, 갈륨 액체금속; 또는 인듐, 주석 및 아연으로 이루어진 군으로부터 선택된 적어도 하나의 금속 및 갈륨을 포함하는 갈륨계 합금;을 포함하는 것인,
액체금속 기반 커패시터.
- 제1항에 있어서,
상기 제1 액체금속 전극 및 상기 제2 액체금속 전극은, 각각, 15.5 ℃ 이하의 융점을 가지는 것인,
액체금속 기반 커패시터.
- 제1항에 있어서,
상기 제1 산화막 및 상기 제2 산화막은, 갈륨 산화막인 것인,
액체금속 기반 커패시터.
- 제1항에 있어서,
상기 제1 산화막 및 상기 제2 산화막은, 각각, 1 nm 내지 90 ㎛의 두께를 가지는 것인,
액체금속 기반 커패시터.
- 제1항에 있어서,
상기 제1 산화막 또는 상기 제2 산화막은, 손상되거나 제거될 경우, 자기복구(self-repair)되어 재형성되는 것인,
액체금속 기반 커패시터.
- 제1항에 있어서,
상기 전해질은, 황산나트륨 수용액 질산나트륨 수용액 및 질산칼륨 수용액으로 이루어진 군으로부터 선택된 적어도 하나를 포함하는 것인,
액체금속 기반 커패시터.
- 액체금속을 이용하여 서로 이격된 한 쌍의 액체금속 전극을 제조하는 단계; 및
상기 한 쌍의 액체금속 사이에 전해질을 형성하는 단계;를 포함하고,
절연막 또는 산화막 형성 단계-프리인 것인,
액체금속 기반 커패시터의 제조방법.
- 제8항에 있어서,
상기 액체금속은, 갈륨 액체금속; 또는 인듐, 주석 및 아연으로 이루어진 군으로부터 선택된 적어도 하나의 금속 및 갈륨을 포함하는 갈륨계 합금;을 포함하는 것인,
액체금속 기반 커패시터의 제조방법.
- 제1항 내지 제7항 중 어느 한 항의 액체금속 기반 커패시터를 포함하는,
유연성 및 신축성 전자소자.
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020180158365A KR102209261B1 (ko) | 2018-12-10 | 2018-12-10 | 액체금속 기반 커패시터 및 이의 제조방법 |
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| KR1020180158365A KR102209261B1 (ko) | 2018-12-10 | 2018-12-10 | 액체금속 기반 커패시터 및 이의 제조방법 |
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| KR20200070821A true KR20200070821A (ko) | 2020-06-18 |
| KR102209261B1 KR102209261B1 (ko) | 2021-01-28 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119553274A (zh) * | 2024-12-04 | 2025-03-04 | 昆明理工大学 | 一种原位生成电热丝镓基高温抗氧化复合涂层的方法 |
| KR20250074250A (ko) * | 2023-11-20 | 2025-05-27 | 한국항공대학교산학협력단 | 접촉 저항 변화를 이용한 소자, 이를 포함하는 전자 장치, 및 이의 제조 방법 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015088723A (ja) * | 2013-09-26 | 2015-05-07 | 国立大学法人 千葉大学 | キャパシタ及びその製造方法 |
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- 2018-12-10 KR KR1020180158365A patent/KR102209261B1/ko active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015088723A (ja) * | 2013-09-26 | 2015-05-07 | 国立大学法人 千葉大学 | キャパシタ及びその製造方法 |
Non-Patent Citations (5)
| Title |
|---|
| B. L. Mellor et al., ‘Note: Electrode polarization of Galinstan electrodes for liquid impedance spectroscopy’, Rev. Sci. Instrum. 82, 046110 (2011)(2011.04.27.) 1부.* * |
| E. Palleau et al., ‘Self-Healing Stretchable Wires for Reconfigurable Circuit Wiring and 3D Microfluidics’, Advanced Materials, 25(2013) 1589-1592 (2013.01.18.) 1부.* * |
| J. K im et al., ‘Liquid Metal Batteries: Past, Present, and Future,’ Chem. Rev. 2013, 113, 2075-2099 (2012.11.27.) 1부.* * |
| Joo-Hee So and Sang-Jun Lee, "A Study on the Electrochemical Characteristics of EGaIn Liquid Metal Electrodes for Supercapacitor Applications" Korean Society for Hydrogen and New Energy, 27(2016) 176-181 (2016.04.30.) Part 1 * |
| W. Jia et al., ‘Extremely Accessible Potassium Nitrate (KNO3) as the Highly Efficient Electrolyte Additive in Lithium Battery’ACS Appl. Mater. Interfaces 2016,8,24, 15399-15405 (2016.05.30.) 1부.* * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20250074250A (ko) * | 2023-11-20 | 2025-05-27 | 한국항공대학교산학협력단 | 접촉 저항 변화를 이용한 소자, 이를 포함하는 전자 장치, 및 이의 제조 방법 |
| CN119553274A (zh) * | 2024-12-04 | 2025-03-04 | 昆明理工大学 | 一种原位生成电热丝镓基高温抗氧化复合涂层的方法 |
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