KR102801561B1 - 다층 어셈블리 - Google Patents
다층 어셈블리 Download PDFInfo
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- KR102801561B1 KR102801561B1 KR1020187026107A KR20187026107A KR102801561B1 KR 102801561 B1 KR102801561 B1 KR 102801561B1 KR 1020187026107 A KR1020187026107 A KR 1020187026107A KR 20187026107 A KR20187026107 A KR 20187026107A KR 102801561 B1 KR102801561 B1 KR 102801561B1
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Abstract
Description
| PVDF | THF | TSPI | Mn(III)AA | |
| 중량(g) | 1.0 | 19.00 | 0.043 | 0.006 |
| F 중합체 용액 | TEOS | ES | |
| 중량(g) | 10.782 | 0.490 | 1.000 |
| F 중합체 용액 | TEOS | |
| 중량(g) | 20.00 | 0.909 |
| 실시예 1 | 실시예 2 | 비교예 1 | 비교예 2 | |
|
시간
(h) |
9 | 4.5 | 6 | 3 |
|
실시예 1
(시스템 I 층) |
실시예 2
(시스템 H 층) |
비교예 1
(PVDF 치밀 층) |
비교예 2
(코팅되지 않음) |
|
|
IC
(S/cm) |
7.7.10 -4 | 1.5.10 -5 | 필름이 지나치게 취약하여 측정될 수 없음 | 1.10 -3 |
|
C-레이트
(방전) |
평균 방전 [mAh/g] | |||
| 실시예 1 | 실시예 2 | 비교예 1 | 비교예 2 | |
| 0.05 (D/20) |
165 | 169 | 173 | 168 |
| 0.1 (D/10) |
162 | 162 | 168 | 157 |
| 0.2(D/5) | 159 | 158 | 163 | 152 |
| 0.5(D/2) | 153 | 153 | 158 | 149 |
| 1(D) | 149 | 148 | 153 | 145 |
| 2(2D) | 144 | 138 | 137 | 142 |
| 5(5D) | 118 | 105 | 74 | 130 |
Claims (21)
- - 제1 표면 및 제2 표면을 포함하는, 리튬 금속 또는 리튬 금속 합금으로 구성된 금속 층(a);
- 금속 층(a)의 상기 제1 표면 및 제2 표면 중 적어도 하나에 접착된 코팅 층(b)
를 포함하며, 여기서 층(b)는
i. 화학식 I의 화합물(M):
[화학식 I]
X4-mAYm
(여기서, X는 탄화수소 기이고, m은 1 내지 4의 정수이고, A는 Si, Ti 및 Zr로 이루어진 군으로부터 선택된 원소이고, Y는 알콕시 기, 아실옥시 기 및 히드록실 기로 이루어진 군으로부터 선택된 가수분해성 기임), 및
ii. 비닐리덴 디플루오라이드(VDF)로부터 유래된 반복 단위 및 적어도 하나의 기 -O-Rx 및/또는 -C(O)O-Rx를 갖는 적어도 하나의 단량체(R1')로부터 유래된 반복 단위(여기서, 각각의 Rx는, 선택적으로 서로 독립적으로, 수소 기 또는 적어도 하나의 히드록실 기를 포함하는 C1-C5 탄화수소 기임)를 포함하는 적어도 하나의 플루오로 공중합체(F)
의 반응에 의해 수득된 하이브리드 무기/유기 조성물을 포함하며,
여기서 상기 화합물(M) 및 상기 플루오로 공중합체(F)의 반응에 의해, 화합물(M)의 중축합으로부터 유래된 무기 잔기가 공중합체(F)의 기 -O-Rx 및/또는 -C(O)O-Rx와의 반응을 통해 공중합체(F)에 적어도 부분적으로 화학 결합되고,
코팅 층(b)의 두께가 2 내지 5㎛인, 리튬 금속 애노드를 사용하는 전기화학 전지를 위한 다층 어셈블리. - 제1항에 있어서, 층(b)가,
iii. 전해질 염(ES-1) 및/또는
iv. 이온성 액체(IL-1)
를 포함하는 것인, 다층 어셈블리. - 제1항 또는 제2항에 있어서, X가 하나 이상의 관능기를 포함하는 탄화수소 기인, 다층 어셈블리.
- 제1항 또는 제2항에 있어서, 층(b)가, 알콕시실란인 화합물(M)과 공중합체(F)의 반응에 의해 수득되는 것인, 다층 어셈블리.
- 제4항에 있어서, 층(b)가, 알콕시 사슬 상에 관능기를 갖는 알콕시실란인 화합물(M)과 공중합체(F)의 반응에 의해 수득되는 것인, 다층 어셈블리.
- 제5항에 있어서, 층(b)가, 테트라메톡시실란(TMOS), 테트라에톡시실란(TEOS), 3-(트리에톡시실릴)프로필이소시아네이트(TSPI) 또는 이들의 혼합물인 화합물(M)과 공중합체(F)의 반응에 의해 수득되는 것인, 다층 어셈블리.
- 제1항 또는 제2항에 있어서, 층(b)가 무기 산화물, 또는 SiO2, TiO2, ZnO, Al2O3 또는 혼합 산화물, 알칼리 또는 알칼리 토금속 설페이트, 알칼리 또는 알칼리 토금속 카보네이트, 알칼리 또는 알칼리 토금속 설파이드 또는 이들의 혼합물로부터 선택된 적어도 하나의 고체 무기 충전제를 포함하는 것인, 다층 어셈블리.
- 제1항 또는 제2항에 있어서, 단량체(R1')가 화학식 II의 (메트)아크릴 단량체인, 다층 어셈블리:
[화학식 II]
(여기서, 서로 동일하거나 상이한 각각의 R1, R2 및 R3은 독립적으로 수소 원자 또는 C1-C3 탄화수소 기이고, ROH는 수소 원자 또는 적어도 하나의 히드록실 기를 포함하는 C1-C5 탄화수소 모이어티임). - 제1항 또는 제2항에 있어서, 플루오로 공중합체(F)가 (R1')과 상이한 적어도 하나의 단량체(R2')를 추가로 포함하는 것인, 다층 어셈블리.
- 제9항에 있어서, 공중합체(F) 중의 적어도 하나의 단량체(R2')가 비닐 플루오라이드, 트리플루오로에틸렌, 트리플루오로클로로에틸렌, 테트라플루오로에틸렌, 헥사플루오로프로필렌, 플루오로알킬 비닐 에테르 및 이들의 혼합물로부터 선택되는 것인, 다층 어셈블리.
- 제2항에 있어서, 전해질 염(ES-1)이 리튬 염, 또는 리튬 비스트리플루오로메탄설폰이미드 및/또는 리튬 비스(플루오로설포닐)이미드인, 다층 어셈블리.
- 제2항에 있어서, 이온성 액체(IL-1)이, 양이온으로서 설포늄 이온 또는 이미다졸륨, 피리디늄, 피롤리디늄 또는 피페리디늄 고리를 포함하고(상기 고리는 질소 원자 상에서 선택적으로 치환됨), 음이온으로서 할라이드 음이온, 퍼플루오린화된 음이온 및 보레이트로부터 선택된 것들을 포함하는 것들로부터 선택되거나, 또는 (IL-1)이 Pyr13TFSI(N-프로필-N-메틸피롤리디늄 비스(트리플루오로메탄설포닐)이미드)인, 다층 어셈블리.
- i. 제1 표면 및 제2 표면을 포함하는 금속 층(a)을 제공하는 단계;
ii. 화학식 I의 화합물(M)을 제공하는 단계:
[화학식 I]
X4-mAYm
(여기서, X는 탄화수소 기이고, m은 1 내지 4의 정수이고, A는 Si, Ti 및 Zr로 이루어진 군으로부터 선택된 원소이고, Y는 알콕시 기, 아실옥시 기 및 히드록실 기로 이루어진 군으로부터 선택된 가수분해성 기임);
iii. (M)을, 비닐리덴 디플루오라이드(VDF)로부터 유래된 반복 단위 및 적어도 하나의 기 -O-Rx 및/또는 -C(O)O-Rx를 갖는 적어도 하나의 단량체(R1')로부터 유래된 반복 단위(여기서, 각각의 Rx는, 선택적으로 서로 독립적으로, 수소 기 또는 적어도 하나의 히드록실 기를 포함하는 C1-C5 탄화수소 기임)를 포함하는 적어도 하나의 플루오로 공중합체(F) 및 액체 매질(L1)을 포함하는 조성물(C-1)과 혼합하여, 조성물(C)를 수득하는 단계;
iv. 층(a)의 상기 제1 표면 및 제2 표면 중 적어도 하나를 단계 iii에서 수득된 조성물(C)로 코팅하여, 습윤 코팅 층을 수득하는 단계;
v. 액체 매질(L1)을 제거하여, 화합물(M)으로부터 유래된 무기 잔기가 공중합체(F)의 -O-Rx 및/또는 -C(O)O-Rx로부터 유래된 기와 결합된 다층 물질을 수득하는 단계
를 포함하는, 제1항 또는 제2항에 따른 다층 어셈블리의 제조 방법. - 제13항에 있어서, X가 하나 이상의 관능기를 포함하는 탄화수소기인, 다층 어셈블리의 제조 방법.
- 제13항에 있어서, 단계 iii이,
iii. (M)을, 전해질 염(ES-1) 및/또는 이온성 액체(IL-1)과의 혼합물 중에서, 비닐리덴 디플루오라이드(VDF)로부터 유래된 반복 단위 및 적어도 하나의 기 -O-Rx 및/또는 -C(O)O-Rx를 갖는 적어도 하나의 단량체(R1')로부터 유래된 반복 단위(여기서, 각각의 Rx는, 선택적으로 서로 독립적으로, 수소 기 또는 적어도 하나의 히드록실 기를 포함하는 C1-C5 탄화수소 기임)를 포함하는 적어도 하나의 플루오로 공중합체(F) 및 액체 매질(L1)을 포함하는 조성물(C-1)과 혼합하여, 조성물(C)를 수득하는 단계인, 다층 어셈블리의 제조 방법. - 제13항에 있어서, 조성물(C-1)이, 시클릭 및 선형 에테르, 알킬렌 카보네이트, 에틸렌 글리콜 또는 프로필렌 글리콜의 알킬 에테르, 및 이들의 혼합물을 포함하는 군으로부터 선택되는 적어도 하나의 비-양성자성 유기 용매를 포함하는 것인, 다층 어셈블리의 제조 방법.
- 제16항에 있어서, 시클릭 및 선형 에테르가 테트라히드로푸란(THF) 또는 디메틸 설폭사이드(DMSO)인, 다층 어셈블리의 제조 방법.
- 제16항에 있어서, 알킬렌 카보네이트가 에틸렌 또는 프로필렌 카보네이트인, 다층 어셈블리의 제조 방법.
- 제15항에 있어서, 단계 iii에서, 전해질 염(ES-1)을 이온성 액체(IL-1) 및 화합물(M)과 혼합하여 전해질 조성물(EC-1)을 수득하는 것인, 다층 어셈블리의 제조 방법.
- 제1항 또는 제2항의 다층 어셈블리를 포함하는 전기화학 전지.
- 제20항에 있어서, 재충전식 또는 1차 리튬 금속 배터리 형태인, 전기화학 전지.
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| EP16156507.2 | 2016-02-19 | ||
| PCT/EP2017/053225 WO2017140649A1 (en) | 2016-02-19 | 2017-02-14 | Multilayer assembly |
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| WO2019101698A1 (en) * | 2017-11-23 | 2019-05-31 | Solvay Specialty Polymers Italy S.P.A. | A multilayer assembly for electrochemical cells |
| US12391819B2 (en) | 2017-12-13 | 2025-08-19 | Syensqo Sa | Fluoropolymer-based hybrid organic/inorganic composites |
| IT201800002547A1 (it) * | 2018-02-09 | 2019-08-09 | Termo Ind Sa | Batteria semi-solida con capacita’ di ricarica |
| FR3084528B1 (fr) | 2018-07-27 | 2022-11-18 | Arkema France | Anode pour batterie li-ion |
| KR102244917B1 (ko) * | 2018-07-30 | 2021-04-27 | 주식회사 엘지화학 | 리튬 전극 및 이를 포함하는 리튬 이차전지 |
| CN109088052B (zh) * | 2018-08-02 | 2021-10-15 | 湖南立方新能源科技有限责任公司 | 锡复合锂电极及其制备方法及包含该电极的电池 |
| US12136744B2 (en) | 2019-09-16 | 2024-11-05 | Syensqo Sa | Hybrid fluoropolymer electrolyte membrane |
| EP3840086A1 (en) * | 2019-12-20 | 2021-06-23 | Arkema France | Alkali metal electrodes and methods for preparing the same |
| TW202410518A (zh) | 2022-07-06 | 2024-03-01 | 日商大金工業股份有限公司 | 二次電池 |
| EP4553918A1 (en) | 2022-07-06 | 2025-05-14 | Daikin Industries, Ltd. | Negative electrode, battery, and method for covering battery material |
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| HUE066950T2 (hu) | 2024-09-28 |
| KR20180114112A (ko) | 2018-10-17 |
| WO2017140649A1 (en) | 2017-08-24 |
| EP3417501B1 (en) | 2024-04-10 |
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| JP2022088424A (ja) | 2022-06-14 |
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| CN108701819B (zh) | 2022-08-02 |
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