KR20200088154A - 이차전지용 탑 캡, 이차전지 및 그 이차전지의 제조방법 - Google Patents
이차전지용 탑 캡, 이차전지 및 그 이차전지의 제조방법 Download PDFInfo
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Abstract
본 발명의 제1 측면에 따르면, 이차전지용 탑 캡으로서, 상기 탑 캡의 외주면을 형성하는 둘레 영역; 상기 탑 캡의 중심부를 형성하는 가운데 영역; 상기 둘레 영역과 상기 가운데 영역을 연결하는 연결 영역; 및 상기 둘레 영역, 가운데 영역 또는 연결 영역으로부터 하방으로 돌출된 돌출 영역; 을 포함하는 이차전지용 탑 캡이 제공된다.
Description
도 2는 본 발명의 제1 실시예에 따른 이차전지용 탑 캡의 구조를 도시한 측단면도이다.
도 3은 본 발명의 제2 실시예에 따른 이차전지용 탑 캡의 구조를 도시한 측단면도이다.
도 4는 본 발명의 제3 실시예에 따른 이차전지용 탑 캡의 구조를 도시한 측단면도이다.
도 5는 본 발명에 따른 이차전지 제조 방법에서 돌출 영역에 의한 밀봉 단계가 이루어지기 전의 모습을 도시한 측단면도이다.
도 6은 본 발명에 따른 이차전지 제조 방법에서 돌출 영역에 의한 밀봉 단계가 이루어진 후에 이차전지의 제조가 완료된 후의 모습을 도시한 측단면도이다.
100 : 전지 케이스
150 : 전극 조립체
150a : 전극탭
200 : 관통홀 형성 부재
200a : 관통홀
210 : PTC 소자
210a : 관통홀
220 : 캡 플레이트
220a : 관통홀
300 : 탑 캡
310 : 둘레 영역
320 : 가운데 영역
330 : 연결 영역
340 : 돌출 영역
342 : 막대부
344 : 돌기부
346 : 지그재그부
400 : 밀봉 시트
500 : 가스켓
H : 개방 영역
Claims (10)
- 이차전지용 탑 캡으로서,
상기 탑 캡의 외주면을 형성하는 둘레 영역;
상기 탑 캡의 중심부를 형성하는 가운데 영역;
상기 둘레 영역과 상기 가운데 영역을 연결하는 연결 영역; 및
상기 둘레 영역, 가운데 영역 또는 연결 영역으로부터 하방으로 돌출된 돌출 영역; 을 포함하는 이차전지용 탑 캡. - 청구항 1에서,
상기 가운데 영역은 원판 형상을 가지고,
상기 돌출 영역은 상기 가운데 영역의 중심으로부터 하방으로 돌출되는 이차전지용 탑 캡. - 청구항 1에서,
상기 돌출 영역은,
일(1)자 형상을 가지고 하방으로 연장되는 막대부; 를 포함하는 이차전지용 탑 캡. - 청구항 3에서,
상기 돌출 영역은,
상기 막대부의 측면에 형성되는 돌기부; 를 더 포함하는 이차전지용 탑 캡. - 청구항 1에서,
상기 돌출 영역은,
지그재그(zigzag) 형상을 가지고 하방으로 연장되는 지그재그부; 를 포함하는 이차전지용 탑 캡. - 상부가 개방된 전지 케이스;
상기 전지 케이스의 내부에 구비되는 전극 조립체;
상기 전극 조립체의 상부에 구비되고 관통홀이 형성되는 관통홀 형성 부재; 및
상기 전지 케이스의 상부에 결합되는, 청구항 1에 따른 이차전지용 탑 캡; 을 포함하고,
상기 돌출 영역 중 적어도 일부는 상기 관통홀에 삽입되는 이차전지. - 청구항 6에서,
시트 형상을 가지고, 상기 돌출 영역과 상기 관통홀 사이에 구비되며, 적어도 일부가 상기 관통홀에 삽입되는 밀봉 시트; 를 더 포함하는 이차전지. - 청구항 6에서,
상기 관통홀 형성 부재는,
PTC 소자 및 캡 플레이트 중 적어도 어느 하나를 포함하는 이차전지. - 상부가 개방된 전지 케이스를 구비하는 단계;
상기 전지 케이스 내부에 전극 조립체를 수용하는 단계;
상기 전극 조립체의 상부에 관통홀이 형성된 관통홀 형성 부재를 구비하는 단계;
상기 관통홀 형성 부재의 상부에 위치하고, 하방으로 돌출되되 상기 관통홀에 대응되는 단면(cross section)의 형상을 갖는 돌출 영역을 포함하는 탑 캡을 상기 전지 케이스의 상부에 결합하는 단계;
상기 전극 조립체를 충전하는 충전 단계; 및
상기 돌출 영역이 하방으로 이동하여, 상기 돌출 영역이 상기 관통홀 형성 부재의 상기 관통홀을 밀봉하는 밀봉 단계; 를 포함하는 이차전지 제조방법. - 청구항 9에서,
상기 밀봉단계 이전에, 시트 형상의 밀봉 시트를 상기 관통홀 형성 부재의 상기 관통홀의 상부에 구비하는 단계; 를 더 포함하고,
상기 밀봉 단계에서,
상기 돌출 영역이 하방으로 이동함에 따라 상기 밀봉 시트 중 적어도 일부가 상기 관통홀 형성 부재의 상기 관통홀에 삽입되는 이차전지 제조방법.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020190004804A KR102538690B1 (ko) | 2019-01-14 | 2019-01-14 | 이차전지용 탑 캡, 이차전지 및 그 이차전지의 제조방법 |
| JP2020540468A JP7140449B2 (ja) | 2019-01-14 | 2019-12-26 | 二次電池用トップキャップ、二次電池及びその二次電池の製造方法 |
| US16/970,833 US11276895B2 (en) | 2019-01-14 | 2019-12-26 | Top cap for secondary battery, secondary battery, and method for manufacturing the secondary battery |
| PCT/KR2019/018517 WO2020149549A1 (ko) | 2019-01-14 | 2019-12-26 | 이차전지용 탑 캡, 이차전지 및 그 이차전지의 제조방법 |
| CN201980011897.9A CN111699569B (zh) | 2019-01-14 | 2019-12-26 | 二次电池的顶盖、二次电池和制造二次电池的方法 |
| EP19910232.8A EP3739653A4 (en) | 2019-01-14 | 2019-12-26 | SECONDARY BATTERY TOP COVER, SECONDARY BATTERY AND METHOD OF MANUFACTURING A SECONDARY BATTERY |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020190004804A KR102538690B1 (ko) | 2019-01-14 | 2019-01-14 | 이차전지용 탑 캡, 이차전지 및 그 이차전지의 제조방법 |
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| Publication Number | Publication Date |
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| KR20200088154A true KR20200088154A (ko) | 2020-07-22 |
| KR102538690B1 KR102538690B1 (ko) | 2023-06-01 |
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| Country | Link |
|---|---|
| US (1) | US11276895B2 (ko) |
| EP (1) | EP3739653A4 (ko) |
| JP (1) | JP7140449B2 (ko) |
| KR (1) | KR102538690B1 (ko) |
| CN (1) | CN111699569B (ko) |
| WO (1) | WO2020149549A1 (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102016643B1 (ko) * | 2016-09-19 | 2019-08-30 | 주식회사 엘지화학 | 이차전지 |
| JPWO2024202960A1 (ko) * | 2023-03-24 | 2024-10-03 | ||
| US12199249B2 (en) * | 2023-06-02 | 2025-01-14 | Lg Energy Solution, Ltd. | Secondary battery including cap surrounding end of electrode assembly and having hole for tab bundle |
| KR102837371B1 (ko) * | 2023-06-02 | 2025-07-24 | 주식회사 엘지에너지솔루션 | 캡 부재가 구비된 단위 셀 및 이를 포함하는 이차 전지 |
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| JP5994670B2 (ja) | 2013-02-15 | 2016-09-21 | 株式会社豊田自動織機 | 蓄電装置及び蓄電装置の製造方法 |
| JP6071678B2 (ja) * | 2013-03-22 | 2017-02-01 | 株式会社東芝 | 密閉型二次電池及び密閉型二次電池の製造方法 |
| WO2014162529A1 (ja) * | 2013-04-03 | 2014-10-09 | 株式会社 日立製作所 | リチウムイオン二次電池用負極、リチウムイオン二次電池、およびそれらの製造方法 |
| KR101643035B1 (ko) | 2013-09-30 | 2016-07-26 | 주식회사 엘지화학 | 이차전지 케이스 및 이차전지 제조방법 |
| KR101808609B1 (ko) | 2016-02-15 | 2017-12-13 | 허진우 | 전기에너지 저장장치용 셀 외장 케이스 및 이를 포함하는 전기에너지 저장장치 |
| KR101919947B1 (ko) * | 2016-11-28 | 2018-11-20 | 삼화콘덴서공업 주식회사 | 원통형 전지 |
| KR102397762B1 (ko) | 2017-06-01 | 2022-05-13 | 삼성에스디아이 주식회사 | 양극 단자 일체형 캡 플레이트를 갖는 이차 전지 |
-
2019
- 2019-01-14 KR KR1020190004804A patent/KR102538690B1/ko active Active
- 2019-12-26 CN CN201980011897.9A patent/CN111699569B/zh active Active
- 2019-12-26 JP JP2020540468A patent/JP7140449B2/ja active Active
- 2019-12-26 WO PCT/KR2019/018517 patent/WO2020149549A1/ko not_active Ceased
- 2019-12-26 US US16/970,833 patent/US11276895B2/en active Active
- 2019-12-26 EP EP19910232.8A patent/EP3739653A4/en active Pending
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|---|---|---|---|---|
| JP2013084480A (ja) * | 2011-10-11 | 2013-05-09 | Toyota Motor Corp | 電池の製造方法 |
| KR20140106328A (ko) * | 2013-02-26 | 2014-09-03 | 주식회사 엘지화학 | 캡 조립체 및 이를 포함하는 이차 전지 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR102538690B1 (ko) | 2023-06-01 |
| CN111699569A (zh) | 2020-09-22 |
| US11276895B2 (en) | 2022-03-15 |
| JP2021514521A (ja) | 2021-06-10 |
| EP3739653A4 (en) | 2021-04-07 |
| CN111699569B (zh) | 2022-11-22 |
| WO2020149549A1 (ko) | 2020-07-23 |
| US20200381680A1 (en) | 2020-12-03 |
| EP3739653A1 (en) | 2020-11-18 |
| JP7140449B2 (ja) | 2022-09-21 |
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