KR102636282B1 - 이차 전지 - Google Patents
이차 전지 Download PDFInfo
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- KR102636282B1 KR102636282B1 KR1020177006575A KR20177006575A KR102636282B1 KR 102636282 B1 KR102636282 B1 KR 102636282B1 KR 1020177006575 A KR1020177006575 A KR 1020177006575A KR 20177006575 A KR20177006575 A KR 20177006575A KR 102636282 B1 KR102636282 B1 KR 102636282B1
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- H01M10/058—Construction or manufacture
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
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- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
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- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
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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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- 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
Description
도 2의 (A) 및 (B)는 이차 전지의 구조예를 도시한 것.
도 3의 (A) 및 (B)는 이차 전지의 구조예를 도시한 것.
도 4는 이차 전지의 예를 도시한 것.
도 5의 (A) 및 (B)는 이차 전지의 예를 도시한 것.
도 6의 (A) 내지 (D)는 이차 전지의 제작 방법의 예를 도시한 것.
도 7의 (A) 내지 (C)는 이차 전지의 제작 방법의 예를 도시한 것.
도 8의 (A) 및 (B)는 이차 전지의 제작 방법의 예를 도시한 것.
도 9의 (A) 및 (B)는 이차 전지의 제작 방법의 예를 도시한 것.
도 10의 (A) 내지 (C)는 이차 전지의 제작 방법의 예를 도시한 것.
도 11의 (A)는 이차 전지의 예를 도시한 것이고, 도 11의 (B)는 이차 전지의 제작 방법의 예를 도시한 것.
도 12의 (A) 및 (B)는 각각 전자 장치의 예를 도시한 것.
도 13의 (A) 및 (B)는 전자 장치의 예를 도시한 것.
도 14는 양극 집전체와 음극 집전체 사이의 거리를 도시한 것.
도 15의 (A) 및 (B)는 각각 정지 마찰의 측정 방법을 도시한 것.
도 16은 정지 마찰의 측정 결과를 나타낸 것.
도 17의 (A) 및 (B)는 이차 전지의 X선 CT 사진이고, 도 17의 (C)는 이차 전지의 충방전 특성을 나타낸 그래프.
본 출원은 2014년 9월 19일에 일본 특허청에 출원된 일련 번호 2014-190900의 일본 특허 출원에 기초하고, 본 명세서에 그 전문이 참조로 통합된다.
Claims (22)
- 이차 전지에 있어서,
제 1 양극 집전체;
상기 제 1 양극 집전체의 상면 및 하면과 접촉하는 제 1 양극 활물질층;
상기 제 1 양극 활물질층 위의 제 1 음극 집전체;
상기 제 1 음극 집전체의 하면과 접촉하는 제 1 음극 활물질층;
상기 제 1 음극 집전체의 상면 전체와 접촉하는 제 2 음극 집전체;
상기 제 2 음극 집전체의 상면과 접촉하는 제 2 음극 활물질층;
상기 제 2 음극 활물질층 위의 제 2 양극 집전체;
상기 제 2 양극 집전체의 상면 및 하면과 접촉하는 제 2 양극 활물질층; 및
상기 제 1 양극 집전체와 상기 제 1 음극 집전체 사이에 있는 겔 전해질 및 세퍼레이터를 포함하고,
상기 겔 전해질은 폴리머, 전해질, 및 용매를 포함하고,
상기 제 2 음극 집전체는 상기 이차 전지가 휘어질 때 상기 제 1 음극 집전체의 상기 상면 위에서 미끄러질 수 있고,
상기 제 1 양극 집전체, 상기 제 1 음극 집전체, 상기 제 2 양극 집전체, 상기 제 2 음극 집전체, 상기 겔 전해질, 및 상기 세퍼레이터는 외장체로 덮이고,
상기 제 1 양극 집전체, 상기 제 1 음극 집전체, 상기 제 2 양극 집전체, 상기 제 2 음극 집전체, 상기 세퍼레이터, 및 상기 외장체는 가요성을 갖는, 이차 전지. - 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 이차 전지에 있어서,
제 1 양극 집전체;
상기 제 1 양극 집전체의 상면 및 하면과 접촉하는 제 1 양극 활물질층;
상기 제 1 양극 활물질층 위의 제 1 음극 집전체;
상기 제 1 음극 집전체의 하면과 접촉하는 제 1 음극 활물질층;
상기 제 1 음극 집전체의 상면과 접촉하는 제 2 음극 집전체; 및
상기 제 1 양극 집전체와 상기 제 1 음극 집전체 사이에 있는 겔 전해질 및 세퍼레이터를 포함하고,
상기 제 1 음극 집전체의 상기 상면 및 상기 제 2 음극 집전체의 하면은 그 사이에 음극 활물질층을 개재하지 않고서 서로 접촉하고,
상기 제 2 음극 집전체의 상기 하면은 상기 이차 전지가 휘어질 때 상기 제 1 음극 집전체의 상기 상면 위에서 미끄러질 수 있는, 이차 전지. - 제 1 항 또는 제 7 항에 있어서,
상기 제 1 음극 집전체와 상기 제 2 음극 집전체 사이의 정지 마찰 계수가 0.59 이하인, 이차 전지. - 삭제
- 삭제
- 제 1 항 또는 제 7 항에 있어서,
상기 겔 전해질은 폴리(다이메틸아미노에틸 메타크릴레이트)를 포함하는, 이차 전지. - 제 8 항에 있어서,
상기 정지 마찰 계수가 0.01 이상 0.59 이하인, 이차 전지. - 제 8 항에 있어서,
상기 정지 마찰 계수가 0.20 이상 0.59 이하인, 이차 전지. - 제 8 항에 있어서,
상기 정지 마찰 계수가 0.57 이상 0.59 이하인, 이차 전지. - 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 가요성의 이차 전지에 있어서,
제 1 양극 집전체,
제 1 음극 집전체,
제 2 음극 집전체, 및
제 2 양극 집전체를 포함하고,
상기 제 1 양극 집전체, 상기 제 1 음극 집전체, 상기 제 2 음극 집전체, 및 상기 제 2 양극 집전체가 서로 중첩하는 영역에서,
상기 제 1 양극 집전체는 한쪽 면 및 다른 쪽 면에서 제 1 양극 활물질층을 갖고,
상기 제 1 음극 집전체는 한쪽 면에서 제 1 음극 활물질층을 갖고, 다른 쪽 면에서 음극 활물질층을 갖지 않고,
상기 제 2 음극 집전체는 한쪽 면에서 제 2 음극 활물질층을 갖고, 다른 쪽 면에서 음극 활물질층을 갖지 않고,
상기 제 2 양극 집전체는 한쪽 면 및 다른 쪽 면에서 제 2 양극 활물질층을 갖고,
상기 제 1 음극 집전체의 상기 한쪽 면 및 상기 제 1 양극 집전체의 상기 한쪽 면은 서로 마주보고,
상기 제 1 음극 집전체의 상기 다른 쪽 면 및 상기 제 2 음극 집전체의 상기 다른 쪽 면은 서로 마주보고,
상기 제 2 음극 집전체의 상기 한쪽 면 및 상기 제 2 양극 집전체의 상기 한쪽 면은 서로 마주보고,
상기 가요성의 이차 전지가 휘어질 때 상기 제 1 음극 집전체와 상기 제 2 음극 집전체의 접촉면들이 미끄러지는, 가요성의 이차 전지. - 삭제
- 제 20 항에 있어서,
상기 제 1 양극 집전체의 상기 다른 쪽 면과 상기 제 2 양극 집전체의 상기 다른 쪽 면 사이의 정지 마찰 계수가 0.59 이하인, 가요성의 이차 전지.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020237034626A KR102708552B1 (ko) | 2014-09-19 | 2015-09-08 | 이차 전지 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP-P-2014-190900 | 2014-09-19 | ||
| JP2014190900 | 2014-09-19 | ||
| PCT/IB2015/056853 WO2016042437A1 (en) | 2014-09-19 | 2015-09-08 | Secondary battery |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020237034626A Division KR102708552B1 (ko) | 2014-09-19 | 2015-09-08 | 이차 전지 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20170056537A KR20170056537A (ko) | 2017-05-23 |
| KR102636282B1 true KR102636282B1 (ko) | 2024-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020177006575A Active KR102636282B1 (ko) | 2014-09-19 | 2015-09-08 | 이차 전지 |
| KR1020257030348A Pending KR20250137732A (ko) | 2014-09-19 | 2015-09-08 | 이차 전지 |
| KR1020237034626A Active KR102708552B1 (ko) | 2014-09-19 | 2015-09-08 | 이차 전지 |
| KR1020247030993A Active KR102860367B1 (ko) | 2014-09-19 | 2015-09-08 | 이차 전지 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020257030348A Pending KR20250137732A (ko) | 2014-09-19 | 2015-09-08 | 이차 전지 |
| KR1020237034626A Active KR102708552B1 (ko) | 2014-09-19 | 2015-09-08 | 이차 전지 |
| KR1020247030993A Active KR102860367B1 (ko) | 2014-09-19 | 2015-09-08 | 이차 전지 |
Country Status (5)
| Country | Link |
|---|---|
| US (5) | US9843073B2 (ko) |
| JP (5) | JP2016066611A (ko) |
| KR (4) | KR102636282B1 (ko) |
| TW (6) | TWI728771B (ko) |
| WO (1) | WO2016042437A1 (ko) |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016076475A (ja) | 2014-08-06 | 2016-05-12 | 株式会社半導体エネルギー研究所 | 二次電池を有する電子機器及び眼鏡型デバイス |
| KR102636282B1 (ko) * | 2014-09-19 | 2024-02-15 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 이차 전지 |
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