KR102677353B1 - 적층체 제조용 지그, 적층체의 제조 방법, 곤포체, 적층체, 전해조, 및 전해조의 제조 방법 - Google Patents
적층체 제조용 지그, 적층체의 제조 방법, 곤포체, 적층체, 전해조, 및 전해조의 제조 방법 Download PDFInfo
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- KR102677353B1 KR102677353B1 KR1020237008396A KR20237008396A KR102677353B1 KR 102677353 B1 KR102677353 B1 KR 102677353B1 KR 1020237008396 A KR1020237008396 A KR 1020237008396A KR 20237008396 A KR20237008396 A KR 20237008396A KR 102677353 B1 KR102677353 B1 KR 102677353B1
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Abstract
Description
도 1의 (a)는 제1 실시형태에 있어서의 전해용 전극이 권회된 전극용 롤의 개략도를 도시한다. 도 1의 (b)는 제1 실시형태에 있어서의 격막이 권회된 격막용 롤의 개략도를 도시한다. 도 1의 (c)는 제1 실시형태에 따른 적층체 제조용 지그의 일례에 관한 개략도를 도시한다.
도 2는 제1 실시형태에 있어서의 보수 수단으로서 스프레이 노즐을 이용하는 예의 개략도를 도시한다.
도 3의 (a) 및 (b)는 제1 실시형태에 있어서의 보수 수단으로서 스폰지 롤을 이용하는 예의 개략도를 도시한다.
도 4의 (a)는 후술하는 (i)의 양태에 따른 적층체 제조용 지그를 상면에서 봤을 때의 개략 설명도이다. 도 4의 (b)는 도 4(a)에 도시하는 적층체 제조용 지그를 도 4(a)의 X 방향으로부터 정면에서 봤을 때의 개략 설명도이다.
도 5는 후술하는 (ii)의 양태에 따른 적층체 제조용 지그를 측면에서 봤을 때의 개략 설명도이다.
도 6은 후술하는 (iii)의 양태에 따른 적층체 제조용 지그를 측면에서 봤을 때의 개략 설명도이다.
도 7은 제1 실시형태에 따른 적층체 제조용 지그가 가이드 롤을 구비하는 예의 개략도를 도시한다.
도 8은 제1 실시형태에 따른 적층체 제조용 지그가 가이드 롤을 구비하는 예의 개략도를 도시한다.
도 9는 제1 실시형태에 따른 적층체 제조용 지그가 닙 롤을 구비하는 예의 개략도를 도시한다.
도 10은 제1 실시형태에 있어서의 전해용 전극의 일 실시형태를 나타내는 모식적 단면도를 도시한다.
도 11은 제1 실시형태에 있어서의 이온 교환막의 일 실시형태를 나타내는 단면 모식도를 도시한다.
도 12는 제1 실시형태에 있어서의 이온 교환막을 구성하는 강화 심재(芯材)의 개구율을 설명하기 위한 개략도를 도시한다.
도 13은 제1 실시형태에 있어서의 이온 교환막의 연통 구멍을 형성하는 방법을 설명하기 위한 모식도를 도시한다.
도 14는 제1 실시형태에 있어서의 전해 셀의 모식적 단면도를 도시한다.
도 15는 제1 실시형태에 있어서의 2개의 전해 셀이 직렬로 접속된 상태를 나타내는 모식적 단면도를 도시한다.
도 16은 제1 실시형태에 있어서의 전해조의 모식도를 도시한다.
도 17은 제1 실시형태에 있어서의 전해조를 조립하는 공정을 나타내는 모식적 사시도를 도시한다.
도 18은 제1 실시형태에 있어서의 전해 셀이 구비하는 역전류 흡수체의 모식적 단면도를 도시한다.
(제2 실시형태에 대응하는 도면)
도 19는 제2 실시형태에 있어서의 전해용 전극의 일례를 나타내는 모식 단면도를 도시한다.
도 20은 제2 실시형태에 있어서의 전해용 전극의 다른 일례를 나타내는 모식 단면도를 도시한다.
도 21은 제2 실시형태에 있어서의 전해용 전극의 또 다른 일례를 나타내는 모식 단면도를 도시한다.
도 22는 도 19에 도시하는 전해용 전극의 평면 사시도를 도시한다.
도 23은 도 20에 도시하는 전해용 전극의 평면 사시도를 도시한다.
도 24의 (a)는 제2 실시형태에 있어서의 전해용 전극의 제조에 사용할 수 있는 금속제 롤의 일례에 있어서의 표면을 부분적으로 나타내는 모식도를 도시하고, 도 24의 (b)는 도 24(a)의 금속제 롤에 의해 기복부가 형성된 전해용 전극의 표면을 부분적으로 예시하는 모식도이다.
도 25는 제2 실시형태에 있어서의 전해용 전극의 제조에 사용할 수 있는 금속제 롤의 다른 예의 표면을 부분적으로 나타내는 모식도를 도시한다.
도 26은 제2 실시형태에 있어서의 전해용 전극의 제조에 사용할 수 있는 금속제 롤의 다른 예의 표면을 부분적으로 나타내는 모식도를 도시한다.
도 27은 제2 실시형태에 있어서의 전해용 전극의 제조에 사용할 수 있는 금속제 롤의 다른 예의 표면을 부분적으로 나타내는 모식도를 도시한다.
(제3 실시형태에 대응하는 도면)
도 28은 제3 실시형태에 있어서의 전해 셀의 모식적 단면도이다.
도 29는 제3 실시형태에 있어서의 전해조의 모식도이다.
도 30은 제3 실시형태에 있어서의 전해조를 조립하는 공정을 도시하는 모식적 사시도이다.
도 31은 제3 실시형태에 있어서의 전해 셀이 구비할 수 있는 역전류 흡수체의 모식적 단면도이다.
도 32는 제3 실시형태에 따른 전해조의 제조 방법에 있어서의 각 공정을 예시하는 설명도이다.
도 33은 제3 실시형태에 따른 전해조의 제조 방법에 있어서의 각 공정을 예시하는 설명도이다.
(제1 실시형태의 실시예에 대응하는 도면)
도 34는 격막용 롤인 권회체 1의 개략도를 도시한다.
도 35는 전극용 롤인 권회체 2의 개략도를 도시한다.
도 36은 실시예 1에 있어서의 적층체의 제조 공정의 개략도를 도시한다.
도 37은 실시예 2에 있어서의 적층체의 제조 공정의 개략도를 도시한다.
도 38은 실시예 3에 있어서의 적층체의 제조 공정의 개략도를 도시한다.
도 39는 실시예 3에 있어서의 적층체의 제조 공정의 개략도를 도시한다.
도 40은 실시예 4에 있어서의 적층체의 제조 공정의 개략도를 도시한다.
도 41은 실시예 5에 있어서의 적층체의 제조 공정의 개략도를 도시한다.
도 42는 실시예 5에 있어서의 적층체의 제조 공정의 개략도를 도시한다.
도 43은 실시예 6에 있어서의 적층체의 제조 공정의 개략도를 도시한다.
도 44는 실시예 7에 있어서의 적층체의 제조 공정의 개략도를 도시한다.
(제2 실시형태의 실시예에 대응하는 도면)
도 45는 실시예에서 이용한 비율 a의 측정 방법의 설명도이다.
도 46은 실시예에서 이용한 비율 a의 측정 방법의 설명도이다.
도 47은 실시예에서 이용한 비율 a의 측정 방법의 설명도이다.
도 48은 실시예에서 이용한 비율 a의 측정 방법의 설명도이다.
도 49는 실시예에서 이용한 비율 a의 측정 방법의 설명도이다.
도 50은 실시예에서 이용한 비율 a의 측정 방법의 설명도이다.
도 51은 실시예에서 이용한 비율 a의 측정 방법의 설명도이다.
도 1에 대한 부호의 설명
100…전극용 롤, 101…전해용 전극, 200…격막용 롤, 201…격막, 300…폴리염화비닐제 파이프
도 2∼3에 대한 부호의 설명
100…전극용 롤, 101…전해용 전극, 200…격막용 롤, 201…격막, 450…보수 수단, 451…수분, 452…스폰지 롤
도 4∼6에 대한 부호의 설명
100…전극용 롤, 101…전해용 전극, 110…적층체, 150…적층체 제조용 지그, 200…격막용 롤, 201…격막, 400…위치 결정 수단, 401a 및 401b…압박판, 402…스프링 기구, 403a 및 403b…베어링부, 450…보수 수단, 451…수분
도 7에 대한 부호의 설명
101…전해용 전극, 302…가이드 롤
도 8에 대한 부호의 설명
101…전해용 전극, 302…가이드 롤
도 9에 대한 부호의 설명
110…적층체, 301…닙 롤
도 10에 대한 부호의 설명
10…전해용 전극 기재, 20…기재를 피복하는 제1층, 30…제2층, 101…전해용 전극
도 11에 대한 부호의 설명
1…이온 교환막, 1a…막 본체, 2…카르복실산층, 3…술폰산층, 4…강화 심재, 11a, 11b…코팅층
도 12에 대한 부호의 설명
21a, 21b…강화 심재
도 13의 (a), (b)에 대한 부호의 설명
52…강화사, 504…연통 구멍, 504a…희생사
도 14∼도 18에 대한 부호의 설명
4…전해조, 5…프레스기, 6…음극 단자, 7…양극 단자, 11…양극, 12…양극 개스킷, 13…음극 개스킷, 18…역전류 흡수체, 18a…기재, 18b…역전류 흡수층, 19…양극실의 바닥부, 21…음극, 22…금속 탄성체, 23…집전체, 24…지지체, 50…전해 셀, 60…양극실, 51…이온 교환막(격막), 70…음극실, 80…격벽, 90…전해용 음극 구조체
(제2 실시형태에 대응하는 도면)
도 19∼23에 대한 부호의 설명
101A, 101B, 101C…전해용 전극, 102A, 102B, 102C…기복부, 103A, 103B…평탄부
(제3 실시형태에 대응하는 도면)
도 28∼33에 대한 부호의 설명
4…전해조, 5…프레스기, 6…음극 단자, 7…양극 단자, 11…양극, 12…양극 개스킷, 13…음극 개스킷, 18…역전류 흡수체, 18a…기재, 18b…역전류 흡수층, 19…양극실의 바닥부, 21…음극, 22…금속 탄성체, 23…집전체, 24…양극 프레임, 25…음극 프레임, 50…전해 셀, 60…양극실, 51…이온 교환막(격막), 51a…이온 교환막 상의 전해용 전극 배치면, 70…음극실, 101…전해용 전극, 103…작업대, 103a…작업대 상의 전해 셀 배치면
Claims (20)
- 전해용 전극과,
상기 전해용 전극의 표면 상에 적층된 격막
을 포함하는 적층체로서,
상기 격막이 그 표면에 요철 구조를 가지며,
상기 요철 구조에 있어서의 높이의 최대치와 최소치의 차인 고저차가 90 ㎛보다 크고 350 ㎛ 이하이며,
상기 고저차의 표준 편차가 0.3 ㎛ 보다 크고 60 ㎛ 이하이며,
상기 격막과 상기 전해용 전극의 계면에 유지되는 계면 수분량 w가 30 g/㎡ 이상 200 g/㎡ 이하이고,
상기 격막의 단위 면적에 대한, 상기 전해용 전극과 상기 격막의 간극 체적의 비율 a가 0.8 ㎛보다 크고 200 ㎛ 이하인 적층체. - 삭제
- 삭제
- 삭제
- 제1항에 있어서, 상기 전해용 전극이 상기 격막에의 대향면에 있어서 하나 또는 복수의 기복부를 가지며,
상기 기복부가 하기 조건 (i)∼(iii)을 만족하는 적층체.
0.04≤Sa/Sall≤0.55 … (i)
0.010 ㎟≤Save≤10.0 ㎟ … (ii)
1<(h+t)/t≤10 … (iii)
(상기 (i) 중, Sa는 상기 대향면을 광학 현미경으로 관찰하여 얻어지는 관찰 이미지에 있어서의 상기 기복부의 총 면적을 나타내고, Sall은 상기 관찰 이미지에 있어서의 상기 대향면의 면적을 나타내고,
상기 (ii) 중, Save는 상기 관찰 이미지에 있어서의 상기 기복부의 평균 면적을 나타내고,
상기 (iii) 중, h는 상기 기복부의 높이를 나타내고, t는 상기 전해용 전극의 두께를 나타낸다.) - 제5항에 있어서, 상기 대향면 내의 일 방향 D1에 있어서, 상기 기복부가 각각 독립적으로 배치되어 있는 적층체.
- 제5항에 있어서, 상기 대향면 내의 일 방향 D2에 있어서, 상기 기복부가 연속적으로 배치되어 있는 적층체.
- 제5항에 있어서, 상기 전해용 전극의 단위 면적당 질량이 500 ㎎/㎠ 이하인 적층체.
- 제1항에 기재한 적층체를 구비한 전해조.
- 양극과, 상기 양극에 대향하는 음극과, 상기 양극과 상기 음극의 사이에 배치되는 격막을 구비하는 기존 전해조에, 적층체를 배치함으로써, 새로운 전해조를 제조하기 위한 방법으로서,
상기 기존 전해조에 있어서의 상기 격막을 상기 적층체와 교환하는 공정을 가지며,
상기 적층체가 제1항에 기재한 적층체인 전해조의 제조 방법. - 양극과, 상기 양극에 대향하는 음극과, 상기 양극과 상기 음극의 사이에 배치되는 격막과, 상기 양극을 지지하는 양극 프레임 및 상기 음극을 지지하는 음극 프레임을 포함하는 전해 셀 프레임으로서 상기 양극 프레임 및 상기 음극 프레임을 일체화시킴으로써 상기 양극과 상기 음극과 상기 격막을 격납하는 전해 셀 프레임을 구비하는 기존 전해조에, 전해용 전극을 용접없이 배치함으로써, 새로운 전해조를 제조하기 위한 방법으로서,
상기 양극 프레임 및 상기 음극 프레임의 일체화를 해제하여 상기 격막을 노출시키는 공정(A1)과,
상기 공정 (A1) 후, 상기 격막의 표면의 적어도 한쪽에 상기 전해용 전극을 용접없이 배치하는 공정(B1)으로서, 상기 격막은 그 표면에 요철 구조를 가지며, 상기 요철 구조에 있어서의 높이의 최대치와 최소치의 차인 고저차가 90 ㎛보다 크고 350 ㎛ 이하이며, 상기 고저차의 표준 편차가 0.3 ㎛ 보다 크고 60 ㎛ 이하이며, 상기 격막과 상기 전해용 전극의 계면에 유지되는 계면 수분량 w가 30 g/㎡ 이상 200 g/㎡ 이하인, 공정(B1)과,
상기 공정 (B1) 후, 상기 양극 프레임 및 상기 음극 프레임을 일체화시킴으로써, 상기 양극과 상기 음극과 상기 격막과 상기 전해용 전극을 상기 전해 셀 프레임에 격납하는 공정(C1)
을 갖는 전해조의 제조 방법. - 제11항에 있어서, 상기 공정 (B1) 전에, 상기 전해용 전극 및 상기 격막 중 하나 이상을 수용액으로 습윤시키는 전해조의 제조 방법.
- 제11항 또는 제12항에 있어서, 상기 공정 (B1)에 있어서, 상기 격막에 대한 상기 전해용 전극의 배치면이 수평면에 대하여 0° 이상 90° 미만인 전해조의 제조 방법.
- 제11항 또는 제12항에 있어서, 상기 공정 (B1)에 있어서, 상기 전해용 전극이 상기 격막 상의 통전면을 덮도록, 상기 전해용 전극을 위치 결정하는 전해조의 제조 방법.
- 제11항 또는 제12항에 있어서, 상기 전해용 전극에 부착되는 수용액의 단위 면적당 부착량이 1 g/㎡∼1000 g/㎡인 전해조의 제조 방법.
- 제11항 또는 제12항에 있어서, 상기 공정 (B1)에 있어서, 상기 전해용 전극을 권회하여 이루어지는 권회체를 이용하는 전해조의 제조 방법.
- 제16항에 있어서, 상기 공정 (B1)에 있어서, 상기 격막 상에서 상기 권회체의 권회 상태를 해제하는 전해조의 제조 방법.
- 양극과, 상기 양극에 대향하는 음극과, 상기 양극과 상기 음극의 사이에 배치되는 격막과, 상기 양극을 지지하는 양극 프레임 및 상기 음극을 지지하는 음극 프레임을 포함하는 전해 셀 프레임으로서 상기 양극 프레임 및 상기 음극 프레임을 일체화시킴으로써 상기 양극과 상기 음극과 상기 격막을 격납하는 전해 셀 프레임을 구비하는 기존 전해조에, 전해용 전극 및 새로운 격막을 배치함으로써, 새로운 전해조를 제조하기 위한 방법으로서,
상기 양극 프레임 및 상기 음극 프레임의 일체화를 해제하여 상기 격막을 노출시키는 공정(A2)과,
상기 공정 (A2) 후, 상기 격막을 제거하여, 상기 양극 또는 음극 상에 상기 전해용 전극 및 새로운 격막을 배치하는 공정(B2)으로서, 상기 새로운 격막은 상기 전해용 전극이 배치되는 표면에 요철 구조를 가지며, 상기 요철 구조에 있어서의 높이의 최대치와 최소치의 차인 고저차가 90 ㎛보다 크고 350 ㎛ 이하이며, 상기 고저차의 표준 편차가 0.3 ㎛ 보다 크고 60 ㎛ 이하이며, 상기 새로운 격막과 상기 전해용 전극의 계면에 유지되는 계면 수분량 w가 30 g/㎡ 이상 200 g/㎡ 이하인, 공정(B2)과,
상기 양극 프레임 및 상기 음극 프레임을 일체화시킴으로써, 상기 양극과 상기 음극과 상기 전해용 전극 및 새로운 격막을 상기 전해 셀 프레임에 격납하는 공정(C2)
을 갖는 전해조의 제조 방법. - 제18항에 있어서, 상기 공정 (B2)에 있어서, 상기 양극 또는 음극 상에 상기 전해용 전극을 배치하고, 상기 전해용 전극 상에 상기 새로운 격막을 배치하여, 상기 새로운 격막을 평탄화시키는 전해조의 제조 방법.
- 제19항에 있어서, 상기 공정 (B2)에 있어서, 평탄화 수단의 상기 새로운 격막에 대한 접촉 압력이 0.1 gf/㎠∼1000 gf/㎠인 전해조의 제조 방법.
Applications Claiming Priority (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2018-177415 | 2018-09-21 | ||
JP2018177375 | 2018-09-21 | ||
JP2018177415 | 2018-09-21 | ||
JP2018177213 | 2018-09-21 | ||
JPJP-P-2018-177213 | 2018-09-21 | ||
JPJP-P-2018-177375 | 2018-09-21 | ||
JP2019120095 | 2019-06-27 | ||
JPJP-P-2019-120095 | 2019-06-27 | ||
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PCT/JP2019/037137 WO2020059884A1 (ja) | 2018-09-21 | 2019-09-20 | 積層体製造用冶具、積層体の製造方法、梱包体、積層体、電解槽、及び電解槽の製造方法 |
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US11390956B1 (en) * | 2021-06-01 | 2022-07-19 | Verdagy, Inc. | Anode and/or cathode pan assemblies in an electrochemical cell, and methods to use and manufacture thereof |
JPWO2023276637A1 (ko) * | 2021-06-28 | 2023-01-05 | ||
CN114023565B (zh) * | 2021-11-25 | 2024-01-30 | 扬州宏远电子股份有限公司 | 马达启动用高致密的交流箔腐蚀方法及系统 |
CN114527001B (zh) * | 2022-01-29 | 2023-05-23 | 江苏中兴派能电池有限公司 | 一种锂电池隔膜耐压性的测试装置及测试方法 |
EP4446467A1 (en) * | 2023-04-12 | 2024-10-16 | thyssenkrupp nucera AG & Co. KGaA | Electrochemical electrode structure, electrochemical cell, bipolar electrode assembly, electrochemical cell arrangement, and method of attaching an electrode element to a supportive element of an electrochemical electrode structure for an electrochemical cell |
EP4446466A1 (en) * | 2023-04-12 | 2024-10-16 | thyssenkrupp nucera AG & Co. KGaA | Electrochemical electrode structure, electrochemical cell, and method of retrofitting a finite-gap electrochemical cell into a zero-gap type electrochemical cell |
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EP4497593A3 (en) | 2025-05-07 |
EP3854911A1 (en) | 2021-07-28 |
JP7194297B2 (ja) | 2022-12-21 |
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