KR102449206B1 - 고체 전해질막 및 이를 제조하는 방법 및 이를 포함하는 전고체 전지 - Google Patents
고체 전해질막 및 이를 제조하는 방법 및 이를 포함하는 전고체 전지 Download PDFInfo
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- KR102449206B1 KR102449206B1 KR1020180167832A KR20180167832A KR102449206B1 KR 102449206 B1 KR102449206 B1 KR 102449206B1 KR 1020180167832 A KR1020180167832 A KR 1020180167832A KR 20180167832 A KR20180167832 A KR 20180167832A KR 102449206 B1 KR102449206 B1 KR 102449206B1
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Abstract
Description
도 1a는 및 도 1b는 본 발명에 따른 고체 전해질막의 제조 방법을 개략적으로 도식화하여 나타낸 공정 흐름도이다.
도 2는 실시예 1 에 따른 방법으로 수득된 고체 전해질막의 이미지이다.
도 3 및 도 4는 비교예 4에 따른 방법으로 수득된 고체 전해질막의 이미지이다.
도 5는 비교예 1에서 수득된 고체 전해질막의 사진 이미지를 나타낸 것이다.
도 6은 비교예 2에서 수득된 고체 전해질막의 사진 이미지를 나타낸 것이다.
도 7은 실시예 1에 따른 전지의 충방전 프로필을 확인하여 나타낸 것이다.
도 8 및 도 9는 각각 비교예 1 및 비교예 2에 따른 전지의 충방전 프로필을 확인하여 나타낸 것이다.
| 가열 온도 (℃) | 롤 프레스 반복 횟수 | 롤 프레스 속도 (M/min) |
고체 전해질막 면적(cmxcm) | |
| 실시예 1 | 80 | 10 | 0.5 | 8x10 |
| 실시예 2 | 80 | 10 | 1 | 8x8 |
| 실시예 3 | 60 | 10 | 0.5 | 8x8 |
| 실시예 4 | 80 | 15 | 0.5 | 10x10 |
| 이온 전도도 (S/cm) | 기공도(%) | |
| 실시예 1 | 9X10-5 | 4 |
| 실시예 2 | 9X10-5 | 4 |
| 실시예 3 | 9X10-5 | 3.5 |
| 실시예 4 | 8X10-5 | 5 |
| 제작 조건 | 제작된 샘플의 크기 (cm x cm) |
|||
| 온도 (℃) | 압력 (MPa) | 가압 시간 (hr) | ||
| 비교예 3-1 | 80 | 200 | 1 | 4x4 |
| 비교예 3-2 | 100 | 200 | 1 | 4.5x4.5 |
| 비교예 3-3 | 80 | 200 | 1 | 4.5x4.5 |
| 비교예 3-4 | 80 | 200 | 5 | 4x4 |
| 방전 용량(mAh/g) | |
| 실시예 1 | 210 |
| 실시예 2 | 208 |
| 실시예 3 | 208 |
| 실시예 4 | 205 |
Claims (13)
- 제1 보호층, 제1 필름 형태의 고체 전해질 재료, 다공성 기재, 제2 필름상의 고체 전해질 재료, 제2 보호층을 순차적으로 적층하여 적층 구조체를 준비하고,
상기 적층 구조체를 가압하여 상기 제1 및 제2 고체 전해질 재료를 상기 다공성 기재의 내부로 함입시켜 다공성 기재의 기공이 상기 고체 전해질 재료로 충진시키고,
상기 제1 보호층 및 제2 보호층을 제거하는 단계를 포함하며,
상기 제1 보호층 및 제2 보호층은 상기 다공성 기재와 동일한 것을 사용하고, 상기 가압은 롤-프레스 방법으로 수행되는 것인 전고체 전지용 고체 전해질막 제조 방법.
- 제1항에 있어서,
상기 가압 전 적층 구조체의 양면에 각각 이형 필름을 더 배치하고 가압 후 상기 제1 보호층, 제2 보호층 및 상기 이형 필름을 제거하는 것인 전고체 전지용 고체 전해질막 제조 방법.
- 제1항에 있어서,
상기 필름 형태의 고체 전해질 재료는 고분자 수지 및 리튬염이 혼합된 것으로서 1x10-7 S/cm 이상의 이온 전도도를 나타내는 것인, 전고체 전지용 고체 전해질막의 제조 방법.
- 삭제
- 제1항에 있어서,
상기 제1 보호층 및 제2 보호층은 상기 다공성 기재와 성분과 함량의 측면에서 동일한 재료를 사용하여 동일한 공정 조건이 적용되어 제조된 것을 특징으로 하는 것인 전고체 전지용 고체 전해질막의 제조 방법.
- 제5항에 있어서
상기 다공성 기재, 제1 보호층 및 제2 보호층은 동일한 접촉각을 갖는 것인 전고체 전지용 고체 전해질막의 제조방법.
- 제1항에 있어서,
상기 다공성 기재는 복수의 기공을 가진 고분자 필름 또는 부직포인 것인 고체 전지용 고체 전해질막의 제조 방법.
- 제3항에 있어서,
상기 고분자 수지는 폴리에테르계 고분자, 폴리카보네이트계 고분자, 아크릴레이트계 고분자, 폴리실록산계 고분자, 포스파젠계 고분자, 폴리에틸렌 유도체, 알킬렌 옥사이드 유도체, 인산 에스테르 폴리머, 폴리 에지테이션 리신(agitation lysine), 폴리에스테르 술파이드, 폴리비닐 알코올 및 폴리 불화 비닐리덴으로 이루어진 군에서 선택된 1종 또는 2종 이상의 혼합물인 것인 전고체 전지용 고체 전해질막의 제조 방법.
- 제1항에 있어서,
제1 및 제2 고체 전해질 재료는 서로 동일한 재료를 사용하여 동일한 공정 조건이 적용되어 제조된 것인 전고체 전지용 고체 전해질막의 제조 방법.
- 제9항에 있어서,
제1 및 제2 필름 형태의 고체 전해질 재료는 두께가 서로 동일한 것인 전고체 전지용 고체 전해질막의 제조 방법.
- 제1항에 있어서,
상기 고체 전해질 재료의 함입은 상기 적층 구조체를 가압하여 수행되며 상기 가압은 롤 프레스에 의해 수행되는 것인 전고체 전지용 고체 전해질막의 제조 방법.
- 제1항에 있어서,
상기 제1 및 제2 고체 전해질 재료 중 적어도 하나는 가압 전 다공성 기재의 표면 중 특정 국소 부분에 편재되어 배치되는 상태로 준비되는 것인 전고체 전지용 고체 전해질막의 제조 방법.
- 제1항에 있어서,
상기 가압은 가열 조건에서 수행되는 것인, 전고체 전지용 고체 전해질막의 제조 방법.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020180167832A KR102449206B1 (ko) | 2018-12-21 | 2018-12-21 | 고체 전해질막 및 이를 제조하는 방법 및 이를 포함하는 전고체 전지 |
| CN201980051440.0A CN112534620B (zh) | 2018-12-21 | 2019-12-19 | 固体电解质膜、其制造方法以及包含其的全固态电池 |
| EP19901238.6A EP3843194A4 (en) | 2018-12-21 | 2019-12-19 | SOLID ELECTROLYTIC MEMBRANE, ITS MANUFACTURING PROCESS AND FULLY SOLID AUXILIARY BATTERY INCLUDING IT |
| PCT/KR2019/018146 WO2020130695A1 (ko) | 2018-12-21 | 2019-12-19 | 고체 전해질막 및 이를 제조하는 방법 및 이를 포함하는 전고체 전지 |
| JP2021505827A JP7168762B2 (ja) | 2018-12-21 | 2019-12-19 | 固体電解質膜、その製造方法及びそれを含む全固体電池 |
| US17/264,604 US11996518B2 (en) | 2018-12-21 | 2019-12-19 | Solid electrolyte membrane, method for manufacturing the same and all-solid-state battery comprising the same |
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| CN (1) | CN112534620B (ko) |
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| EP3819975A4 (en) * | 2019-05-03 | 2021-11-03 | Lg Chem, Ltd. | SOLID ELECTROLYTE MEMBRANE, ITS MANUFACTURING PROCESS AND ANY SOLID BATTERY INCLUDING THE SAME |
| JP7581747B2 (ja) * | 2020-09-30 | 2024-11-13 | トヨタ自動車株式会社 | 電池 |
| CN112490587B (zh) * | 2020-11-17 | 2024-02-13 | 欣旺达动力科技股份有限公司 | 复合电解质隔膜及其制备方法和固态电池 |
| KR102468266B1 (ko) * | 2020-12-14 | 2022-11-18 | 더블유스코프코리아 주식회사 | 분리막 및 그 제조방법 |
| KR102579201B1 (ko) * | 2021-02-26 | 2023-09-18 | (주)피엔티 | 전고체 이차전지 제조 장치 |
| JP7286703B2 (ja) | 2021-03-26 | 2023-06-05 | 本田技研工業株式会社 | 固体電解質シートの製造方法及び固体電解質シート |
| CN113363561B (zh) * | 2021-03-29 | 2022-09-30 | 万向一二三股份公司 | 一种高强度固态电解质膜及其制备方法和应用 |
| EP4369454A4 (en) * | 2021-09-30 | 2025-05-28 | Maxell, Ltd. | All solid state battery |
| US20240387947A1 (en) * | 2021-09-30 | 2024-11-21 | Maxell, Ltd. | All-solid-state battery |
| JP7639674B2 (ja) * | 2021-12-17 | 2025-03-05 | トヨタ自動車株式会社 | 固体電解質層の製造方法 |
| CN114430063A (zh) * | 2022-03-12 | 2022-05-03 | 浙江锋锂新能源科技有限公司 | 一种无机固态电解质复合膜的制备方法、复合膜和锂电池 |
| CN115020733A (zh) * | 2022-06-08 | 2022-09-06 | 深圳市氢瑞燃料电池科技有限公司 | 一种燃料电池复合极板及其制备方法 |
| WO2024013560A1 (ja) * | 2022-07-13 | 2024-01-18 | 日産自動車株式会社 | 全固体電池 |
| KR102815981B1 (ko) * | 2022-09-30 | 2025-06-09 | 더블유스코프코리아 주식회사 | 분리막 및 그 제조방법 |
| CN116937068A (zh) * | 2023-08-31 | 2023-10-24 | 深圳欣视界科技有限公司 | 一种复合固态电解质隔膜及其制备方法 |
| WO2025095408A1 (ko) * | 2023-11-03 | 2025-05-08 | (주)아이엠혁신소재 | 이차전지용 전극재, 이의 제조방법 및 이의 제조장치 |
| KR102801998B1 (ko) * | 2023-11-03 | 2025-05-02 | (주)아이엠혁신소재 | 이차전지용 전극재, 이의 제조방법 및 이의 제조장치 |
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| KR100404883B1 (ko) * | 1999-12-13 | 2003-11-10 | 주식회사 엘지화학 | 전기 화학 소자를 위한 고분자 전해질 |
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| JP7127235B2 (ja) * | 2015-12-03 | 2022-08-31 | 地方独立行政法人大阪産業技術研究所 | 固体電解質シート及びその製造方法、全固体電池、並びに全固体電池の製造方法 |
| US10707536B2 (en) * | 2016-05-10 | 2020-07-07 | Polyplus Battery Company | Solid-state laminate electrode assemblies and methods of making |
| KR101981656B1 (ko) * | 2016-07-11 | 2019-05-23 | 울산과학기술원 | 전기화학소자용 분리막, 이의 제조방법, 및 이를 포함하는 전기화학소자 |
| KR101876861B1 (ko) | 2016-08-04 | 2018-07-10 | 한국생산기술연구원 | 전고체 리튬이차전지용 복합 고체전해질 및 그의 제조방법 |
| JP2018113140A (ja) | 2017-01-11 | 2018-07-19 | トヨタ自動車株式会社 | 電解質膜の製造方法 |
| CN108598570B (zh) | 2018-06-28 | 2020-09-04 | 苏州清陶新能源科技有限公司 | 一种凝胶聚合电解质膜片的制备方法及其在锂离子电池中的应用 |
| JP7288917B2 (ja) | 2018-12-06 | 2023-06-13 | エルジー エナジー ソリューション リミテッド | 固体電解質膜、その製造方法及びそれを含む全固体電池 |
-
2018
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2019
- 2019-12-19 CN CN201980051440.0A patent/CN112534620B/zh active Active
- 2019-12-19 US US17/264,604 patent/US11996518B2/en active Active
- 2019-12-19 EP EP19901238.6A patent/EP3843194A4/en active Pending
- 2019-12-19 JP JP2021505827A patent/JP7168762B2/ja active Active
- 2019-12-19 WO PCT/KR2019/018146 patent/WO2020130695A1/ko not_active Ceased
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| JP7168762B2 (ja) | 2022-11-09 |
| CN112534620A (zh) | 2021-03-19 |
| JP2021533542A (ja) | 2021-12-02 |
| US20210336294A1 (en) | 2021-10-28 |
| KR20200078181A (ko) | 2020-07-01 |
| CN112534620B (zh) | 2024-07-02 |
| WO2020130695A1 (ko) | 2020-06-25 |
| US11996518B2 (en) | 2024-05-28 |
| EP3843194A1 (en) | 2021-06-30 |
| EP3843194A4 (en) | 2021-12-08 |
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