KR20130024769A - 축전 장치 - Google Patents
축전 장치 Download PDFInfo
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- KR20130024769A KR20130024769A KR20120088478A KR20120088478A KR20130024769A KR 20130024769 A KR20130024769 A KR 20130024769A KR 20120088478 A KR20120088478 A KR 20120088478A KR 20120088478 A KR20120088478 A KR 20120088478A KR 20130024769 A KR20130024769 A KR 20130024769A
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- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
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- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active 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
- H01G11/04—Hybrid capacitors
- H01G11/06—Hybrid capacitors with one of the electrodes allowing ions to be reversibly doped thereinto, e.g. lithium ion capacitors [LIC]
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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
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/50—Electrodes characterised by their material specially adapted for lithium-ion capacitors, e.g. for lithium-doping or for intercalation
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- H—ELECTRICITY
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- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
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- H—ELECTRICITY
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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- 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
- Y02E60/10—Energy storage using batteries
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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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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
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Abstract
이 축전 장치는 집전체와, 집전체 위의 활물질층으로서의 기능을 갖는 실리콘층을 갖고, 실리콘층은 집전체와 접촉된 박막 형상의 부분과, 복수의 그루와, 복수의 그루 각각으로부터 연장된 복수의 위스커 형상의 돌기를 갖고, 복수의 그루 중 하나로부터 연장된 돌기와, 복수의 그루 중 다른 하나로부터 연장된 돌기가 부분적으로 결합되어 있다.
Description
도 2는 위스커의 내부 구조를 설명하기 위한 도면.
도 3의 (A)는 축전 장치의 일 형태를 설명하기 위한 평면도이고, 도 3의 (B)는 축전 장치의 일 형태를 설명하기 위한 단면도.
도 4는 축전 장치의 응용의 형태를 설명하기 위한 도면.
도 5의 (A) 및 도 5의 (B)는 활물질층의 구조를 나타낸 TEM 사진.
도 6의 (A) 내지 도 6의 (C)는 위스커의 구조를 나타낸 TEM 사진.
도 7의 (A) 내지 도 7의 (C)는 위스커의 성장의 모양을 나타낸 SEM 사진.
도 8의 (A) 내지 도 8의 (C)는 위스커의 가교 구조를 나타낸 SEM 사진.
101: 활물질층
102: 박막부
103a: 그루
103b: 위스커
104a: 그루
104b: 위스커
105: 결합부
106: 결합부
107a: 심
107b: 외각
300: 축전 장치
302: 외장 부재
304: 축전 셀
306: 단자부
308: 단자부
310: 음극
312: 양극
315: 음극 집전체
314: 세퍼레이터
316: 전해액
317: 음극 활물질층
318: 양극 집전체
320: 양극 활물질층
500: 티타늄 시트
501: 박막부
502: 그루
503: 위스커
600: 단면
701a: 위스커
701b: 위스커
701c: 위스커
702a: 그루
702b: 그루
703b: 그루
801: 위스커
802: 점선 테두리부
803: 위스커
804: 위스커
Claims (16)
- 축전 장치에 있어서,
집전체와;
활물질층으로서 기능하는, 상기 집전체 위의 실리콘층을 포함하고,
상기 실리콘층은 상기 집전체와 접촉된 박막부와, 복수의 그루(base)와, 상기 복수의 그루로부터 연장된 복수의 위스커 형상의 돌기를 포함하고,
상기 복수의 그루 중 하나로부터 연장된 위스커 형상의 돌기는 상기 복수의 그루 중 다른 하나로부터 연장된 위스커 형상의 돌기와 접촉된, 축전 장치. - 제 1 항에 있어서,
상기 복수의 그루 중 하나로부터 연장된 상기 위스커 형상의 돌기는 상기 복수의 그루 중 다른 하나로부터 연장된 상기 위스커 형상의 돌기와 결합된, 축전 장치. - 제 1 항에 있어서,
상기 위스커 형상의 돌기는 결정질 실리콘을 사용하여 형성된 심(core)을 포함하고,
상기 심은 비정질 실리콘으로 덮인, 축전 장치. - 제 1 항에 있어서,
상기 위스커 형상의 돌기는 원기둥 형상이나 각기둥 형상 등의 기둥 형상 또는 원뿔 형상이나 각뿔 형상 등의 침 형상을 갖는, 축전 장치. - 제 1 항에 있어서,
상기 박막부는 비정질 실리콘을 포함하는, 축전 장치. - 전극에 있어서,
집전체와;
활물질층으로서 기능하는, 상기 집전체 위의 실리콘층을 포함하고,
상기 실리콘층은 상기 집전체와 접촉된 박막부와, 복수의 그루와, 상기 복수의 그루로부터 연장된 복수의 위스커 형상의 돌기를 포함하고,
상기 복수의 그루 중 하나로부터 연장된 위스커 형상의 돌기는 상기 복수의 그루 중 다른 하나로부터 연장된 위스커 형상의 돌기와 접촉된, 전극. - 제 6 항에 있어서,
상기 전극은 음극(negative electrode)인, 전극. - 제 6 항에 있어서,
상기 복수의 그루 중 하나로부터 연장된 상기 위스커 형상의 돌기는 상기 복수의 그루 중 다른 하나로부터 연장된 상기 위스커 형상의 돌기와 결합된, 전극. - 제 6 항에 있어서,
상기 위스커 형상의 돌기는 결정질 실리콘을 사용하여 형성된 심을 포함하고,
상기 심은 비정질 실리콘으로 덮인, 전극. - 제 6 항에 있어서,
상기 위스커 형상의 돌기는 원기둥 형상이나 각기둥 형상 등의 기둥 형상 또는 원뿔 형상이나 각뿔 형상 등의 침 형상을 갖는, 전극. - 제 6 항에 있어서,
상기 박막부는 비정질 실리콘을 포함하는, 전극. - 실리콘층에 있어서,
박막부와;
복수의 그루와;
상기 복수의 그루로부터 연장된 복수의 위스커 형상의 돌기를 포함하고,
상기 복수의 그루 중 하나로부터 연장된 위스커 형상의 돌기는 상기 복수의 그루 중 다른 하나로부터 연장된 위스커 형상의 돌기와 접촉된, 실리콘층. - 제 12 항에 있어서,
상기 복수의 그루 중 하나로부터 연장된 상기 위스커 형상의 돌기는 상기 복수의 그루 중 다른 하나로부터 연장된 상기 위스커 형상의 돌기와 결합된, 실리콘층. - 제 12 항에 있어서,
상기 위스커 형상의 돌기는 결정질 실리콘을 사용하여 형성된 심을 포함하고,
상기 심은 비정질 실리콘으로 덮인, 실리콘층. - 제 12 항에 있어서,
상기 위스커 형상의 돌기는 원기둥 형상이나 각기둥 형상 등의 기둥 형상 또는 원뿔 형상이나 각뿔 형상 등의 침 형상을 갖는, 실리콘층. - 제 12 항에 있어서,
상기 박막부는 비정질 실리콘을 포함하는, 실리콘층.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011186811 | 2011-08-30 | ||
| JPJP-P-2011-186811 | 2011-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20130024769A true KR20130024769A (ko) | 2013-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR20120088478A Ceased KR20130024769A (ko) | 2011-08-30 | 2012-08-13 | 축전 장치 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US9337475B2 (ko) |
| JP (1) | JP6176899B2 (ko) |
| KR (1) | KR20130024769A (ko) |
| CN (1) | CN102969529B (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20210111682A (ko) * | 2020-03-02 | 2021-09-13 | 스피어테크 리서치 코퍼레이션 | 배터리 재료 및 그 제조 방법 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6050106B2 (ja) | 2011-12-21 | 2016-12-21 | 株式会社半導体エネルギー研究所 | 非水二次電池用シリコン負極の製造方法 |
| US10263224B2 (en) | 2015-04-23 | 2019-04-16 | Semiconductor Energy Laboratory Co., Ltd. | Power storage device and electronic device |
| CN106299318B (zh) * | 2016-10-28 | 2018-09-18 | 合肥国轩高科动力能源有限公司 | 硅基锂离子电池负极材料及其制备方法 |
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-
2012
- 2012-08-13 KR KR20120088478A patent/KR20130024769A/ko not_active Ceased
- 2012-08-15 US US13/586,050 patent/US9337475B2/en not_active Expired - Fee Related
- 2012-08-21 JP JP2012182131A patent/JP6176899B2/ja not_active Expired - Fee Related
- 2012-08-29 CN CN201210312716.6A patent/CN102969529B/zh not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20210111682A (ko) * | 2020-03-02 | 2021-09-13 | 스피어테크 리서치 코퍼레이션 | 배터리 재료 및 그 제조 방법 |
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| Publication number | Publication date |
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| US9337475B2 (en) | 2016-05-10 |
| JP6176899B2 (ja) | 2017-08-09 |
| CN102969529A (zh) | 2013-03-13 |
| JP2013065548A (ja) | 2013-04-11 |
| CN102969529B (zh) | 2017-10-13 |
| US20130052527A1 (en) | 2013-02-28 |
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