KR20220135535A - 2종의 고체전해질층을 포함하는 전고체전지 - Google Patents
2종의 고체전해질층을 포함하는 전고체전지 Download PDFInfo
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- KR20220135535A KR20220135535A KR1020210041332A KR20210041332A KR20220135535A KR 20220135535 A KR20220135535 A KR 20220135535A KR 1020210041332 A KR1020210041332 A KR 1020210041332A KR 20210041332 A KR20210041332 A KR 20210041332A KR 20220135535 A KR20220135535 A KR 20220135535A
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Abstract
Description
도 2는 본원발명에 따른 전고체전지에서 고체전해질층과 음극의 단면도이다.
| 이온전도도 (mS/cm) | |
| 제조예 1 | 0.6 |
| 제조예 2 | 0.7 |
| 제조예 3 | 0.4 |
| 참고예 | 2.0 |
| 초기 충전용량 (mAh) | 초기 방전용량 (mAh) | 충방전 효율(%) | 유지율 (%@5cycle) | |
| 실시예 1 | 27.0 | 24.2 | 89.6 | 99.9 |
| 실시예 2 | 28.7 | 25.8 | 89.9 | 99.7 |
| 비교예 1 | 23.4 | 20.3 | 86.8 | 92.8 |
| 비교예 2 | - | - | - | - |
| 비교예 3 | 27.3 | 24.3 | 89.0 | 94.9 |
120, 220: 고체전해질층
130, 230: 바인더
140, 240: 음극
221: 제1고체전해질층
222: 제2고체전해질층
Claims (10)
- 양극, 음극, 및 상기 양극과 음극 사이에 개재되는 고체전해질을 포함하고,
상기 고체전해질은 바인더를 포함하는 제1고체전해질층, 및 바인더를 포함하지 않는 제2고체전해질층으로 구성되며,
상기 제2고체전해질층이 상기 음극과 대면하는 전고체전지. - 제1항에 있어서, 상기 바인더는 폴리테트라플루오로에틸렌(polytetrafluoroethylene), 폴리에틸렌옥사이드 (polyethylene oxide), 폴리에틸렌글리콜(polyethyleneglycol), 폴리아크릴로니트릴(polyacrylonitrile), 폴리비닐클로라이드(polyvinylchloride), 폴리메틸메타크릴레이트(polymethylmethacrylate), 폴리프로필렌옥사이드(polypropyleneoxide), 폴리포스파젠(Polyphosphazene), 폴리실록산(Polysiloxane), 폴리디메틸실록산(polydimethylsiloxane), 폴리비닐리덴플루오라이드(polyvinylidenefluoride), 폴리비닐리덴플루오라이드-헥사플루오로프로필렌 공중합체(PVDF-HFP), 폴리비닐리덴플루오라이드-클로로트리플루오로에틸렌 공중합체(PVDF-CTFE), 폴리비닐리덴플루오라이드-테트라플루오로에틸렌 공중합체(PVDF-TFE), 폴리비닐리덴카보네이트(polyvinylidenecarbonate), 폴리비닐피롤리디논(polyvinylpyrrolidinone), 스티렌부타디엔 고무(styrene-butadiene rubber), 니트릴부타디엔 고무(nitrile-butadiene rubber), 및 수소화 니트릴부타디엔 고무(Hydrogenated nitrile butadiene rubber)로 이루어진 군에서 선택된 1종 이상인 전고체전지.
- 제1항에 있어서, 상기 제1고체전해질층과 상기 제2고체전해질은 바인더를 제외한 나머지 구성 성분들이 서로 동일한 전고체전지.
- 제1항에 있어서, 상기 제1고체전해질층의 두께는 상기 제2고체전해질층의 두께와 동일하거나 더 두꺼운 전고체전지.
- 제1항에 있어서, 상기 제1고체전해질층에 포함되는 바인더의 함량은 상기 제1고체전해질층에 포함되는 전체 고형분의 중량을 기준으로 0.2 중량% 내지 15 중량%로 포함되는 전고체전지.
- 제1항에 있어서, 상기 제1고체전해질층과 제2고체전해질층은 접착된 상태인 전고체전지.
- 제1항에 있어서, 상기 음극은 음극 합제층을 포함하지 않는 전고체전지.
- 제1항에 있어서, 상기 음극은 코팅층과 이온 전달층을 포함하는 전고체전지.
- 제1항에 있어서, 상기 제2고체전해질층의 표면에 있는 고체전해질 입자들은 상기 음극과 접촉하고 있는 전고체전지.
- 제1항 내지 제9항 중 어느 한 항에 따른 전고체전지를 단위셀로 포함하는 전지모듈.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020210041332A KR20220135535A (ko) | 2021-03-30 | 2021-03-30 | 2종의 고체전해질층을 포함하는 전고체전지 |
| PCT/KR2022/004404 WO2022211447A1 (ko) | 2021-03-30 | 2022-03-29 | 2종의 고체전해질층을 포함하는 전고체전지 |
| EP22781566.9A EP4135089A4 (en) | 2021-03-30 | 2022-03-29 | All-solid-state battery comprising two types of solid electrolyte layers |
| JP2022566716A JP7508037B2 (ja) | 2021-03-30 | 2022-03-29 | 2種の固体電解質層を含む全固体電池 |
| CN202280003616.7A CN115485901B (zh) | 2021-03-30 | 2022-03-29 | 包括两种固体电解质层的全固态电池 |
| US17/928,977 US20230223588A1 (en) | 2021-03-30 | 2022-03-29 | All-solid-state battery including two kinds of solid electrolyte layers |
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020210041332A KR20220135535A (ko) | 2021-03-30 | 2021-03-30 | 2종의 고체전해질층을 포함하는 전고체전지 |
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| KR20220135535A true KR20220135535A (ko) | 2022-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020210041332A Pending KR20220135535A (ko) | 2021-03-30 | 2021-03-30 | 2종의 고체전해질층을 포함하는 전고체전지 |
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| Country | Link |
|---|---|
| US (1) | US20230223588A1 (ko) |
| EP (1) | EP4135089A4 (ko) |
| JP (1) | JP7508037B2 (ko) |
| KR (1) | KR20220135535A (ko) |
| CN (1) | CN115485901B (ko) |
| WO (1) | WO2022211447A1 (ko) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20240084320A (ko) * | 2022-12-06 | 2024-06-13 | 한양대학교 에리카산학협력단 | 전고체 전지용 고체전해질막의 제조 방법, 전고체 전지용 고체전해질막 및 상기 전고체 전지용 고체전해질막이 구비된 전고체 전지 |
| WO2024136601A1 (ko) * | 2022-12-23 | 2024-06-27 | 주식회사 엘지에너지솔루션 | 고체 전해질막 및 이를 포함하는 전고체 전지 |
| WO2025216356A1 (ko) * | 2024-04-12 | 2025-10-16 | 삼성에스디아이 주식회사 | 전고체 전지 |
| WO2025249659A1 (ko) * | 2024-05-31 | 2025-12-04 | 삼성에스디아이 주식회사 | 고체 전해질 막, 이를 포함하는 전고체 전지, 및 고체 전해질 막의 제조 방법 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20220137426A (ko) * | 2021-04-02 | 2022-10-12 | 삼성에스디아이 주식회사 | 전고체 전지용 복합양극활물질, 그 제조방법, 전고체 전지용 양극층 및 이를 포함하는 전고체 전지 |
| KR20220137427A (ko) * | 2021-04-02 | 2022-10-12 | 삼성에스디아이 주식회사 | 전고체 전지용 복합양극활물질, 그 제조방법, 전고체 전지용 양극층 및 이를 포함하는 전고체 전지 |
| WO2024237330A1 (ja) * | 2023-05-17 | 2024-11-21 | マクセル株式会社 | 固体電解質シートおよび全固体電池 |
| US12506174B2 (en) * | 2023-12-20 | 2025-12-23 | Lg Energy Solution, Ltd. | Solid electrolyte membrane, method for manufacturing the same, and all-solid-state battery comprising the same |
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| JP7709120B2 (ja) * | 2019-09-05 | 2025-07-16 | 日本電気硝子株式会社 | 固体電解質シート及びその製造方法 |
| CN210326016U (zh) * | 2019-09-12 | 2020-04-14 | 深圳先进技术研究院 | 全固态二次电池和电动汽车 |
| KR20210041332A (ko) | 2019-10-07 | 2021-04-15 | 현대자동차주식회사 | 압축 완화형 엔진 브레이크의 소켓모듈 및 이를 이용한 엔진 브레이크의 작동 방법 |
| US11923502B2 (en) * | 2020-01-31 | 2024-03-05 | Samsung Sdi Co., Ltd. | All-solid secondary battery and method of preparing same |
| KR102895756B1 (ko) * | 2020-10-12 | 2025-12-03 | 삼성에스디아이 주식회사 | 전고체이차전지 및 그 제조방법 |
-
2021
- 2021-03-30 KR KR1020210041332A patent/KR20220135535A/ko active Pending
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2022
- 2022-03-29 JP JP2022566716A patent/JP7508037B2/ja active Active
- 2022-03-29 US US17/928,977 patent/US20230223588A1/en active Pending
- 2022-03-29 WO PCT/KR2022/004404 patent/WO2022211447A1/ko not_active Ceased
- 2022-03-29 CN CN202280003616.7A patent/CN115485901B/zh active Active
- 2022-03-29 EP EP22781566.9A patent/EP4135089A4/en active Pending
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| JPS5930035B2 (ja) | 1979-11-19 | 1984-07-24 | ウエスチングハウス エレクトリック コ−ポレ−ション | 出力波形合成方法 |
| KR20170055325A (ko) | 2015-11-11 | 2017-05-19 | 현대자동차주식회사 | 전고체 배터리용 전해질층 및 이를 이용한 전고체 배터리의 제조방법 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20240084320A (ko) * | 2022-12-06 | 2024-06-13 | 한양대학교 에리카산학협력단 | 전고체 전지용 고체전해질막의 제조 방법, 전고체 전지용 고체전해질막 및 상기 전고체 전지용 고체전해질막이 구비된 전고체 전지 |
| WO2024136601A1 (ko) * | 2022-12-23 | 2024-06-27 | 주식회사 엘지에너지솔루션 | 고체 전해질막 및 이를 포함하는 전고체 전지 |
| WO2025216356A1 (ko) * | 2024-04-12 | 2025-10-16 | 삼성에스디아이 주식회사 | 전고체 전지 |
| WO2025249659A1 (ko) * | 2024-05-31 | 2025-12-04 | 삼성에스디아이 주식회사 | 고체 전해질 막, 이를 포함하는 전고체 전지, 및 고체 전해질 막의 제조 방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022211447A1 (ko) | 2022-10-06 |
| US20230223588A1 (en) | 2023-07-13 |
| EP4135089A1 (en) | 2023-02-15 |
| JP2023525505A (ja) | 2023-06-16 |
| JP7508037B2 (ja) | 2024-07-01 |
| CN115485901A (zh) | 2022-12-16 |
| CN115485901B (zh) | 2025-09-09 |
| EP4135089A4 (en) | 2024-01-10 |
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