KR20220121243A - 결합제가 있는 복합 전해질 - Google Patents
결합제가 있는 복합 전해질 Download PDFInfo
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Abstract
Description
도 2는 입방 아지로다이트 Li6PS5Cl의 결정 구조를 나타낸다.
Claims (56)
- 다음을 포함하는 복합재:
무기 이온 전도성 아지로다이트-함유 입자; 및
극성 고분자 결합제를 포함하는 유기상. - 제1항에 있어서, 복합재는 25 ℃에서 0.2 mS·cm-1 이상의 이온 전도도를 갖는 복합재.
- 제1항에 있어서, 복합재는 25 ℃에서 0.25 mS·cm-1 이상의 이온 전도도를 갖는 복합재.
- 제1항에 있어서, 복합재는 25 ℃에서 0.3 mS·cm-1 이상의 이온 전도도를 갖는 복합재.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 무기 이온 전도성 아지로다이트-함유 입자는 복합재의 90wt% 이하인 복합재.
- 제1항 내지 제4항에 있어서, 무기 이온 전도성 입자는 복합재의 85wt% 이하인 복합재.
- 제1항 내지 제4항에 있어서, 무기 이온 전도성 입자는 복합재의 80wt% 이하인 복합재.
- 제1항에 있어서, 복합재는 25 ℃에서 0.5 mS·cm-1 이상의 이온 전도도를 갖는 복합재.
- 제1항 내지 제8항 중 어느 한 항에 있어서, 복합재는 10% 이상의 파단 신율을 갖는 복합재.
- 제1항 내지 제8항 중 어느 한 항에 있어서, 복합재는 15% 이상의 파단 신율을 갖는 복합재.
- 제1항 내지 제8항 중 어느 한 항에 있어서, 복합재는 20% 이상의 파단 신율을 갖는 복합재.
- 제1항 내지 제11항 중 어느 한 항에 있어서, 고분자 결합제는 폴리(비닐아세테이트) 또는 최대 30% 니트릴 기를 갖는 니트릴 부타디엔 고무인 복합재.
- 제1항 내지 제11항 중 어느 한 항에 있어서, 고분자 결합제는 폴리(아크릴로니트릴-코-스타이렌-코-부타디엔)(ABS), 폴리(에틸렌-코-비닐아세테이트), 폴리(스타이렌-코-아크릴로니트릴)(SAN), 폴리(스타이렌-코-말레산 무수물), 폴리(메트)아크릴레이트, 폴리(알킬렌 글리콜), 폴리(부타디엔-코-아크릴레이트), 폴리(부타디엔-코-아크릴산-코-아크릴로니트릴), 폴리(에틸렌-코-아크릴레이트), 폴리에테르, 디알킬 프탈레이트의 폴리에스테르, 또는 폴리(비닐 클로라이드)(PVC)인 복합재.
- 제1항 내지 제11항 중 어느 한 항에 있어서, 고분자 결합제는 작용기로 개질된 제1 고분자를 포함하고, 작용기는 제1 고분자의 0.1 내지 5 wt. %인 복합재.
- 제1항 내지 제11항 중 어느 한 항에 있어서, 고분자 결합제는 작용기로 개질된 제1 고분자를 포함하고, 작용기는 제1 고분자의 0.1 내지 50 wt. %인 복합재.
- 제15항에 있어서, 개질되지 않은 제1 고분자는 3.5 미만의 극성 지수를 갖는 용매에 불용성인 복합재.
- 제16항에 있어서, 개질된 제1 고분자는 3.5 미만의 극성 지수를 갖는 용매에 가용성인 복합재.
- 제15항에 있어서, 개질되지 않은 제1 고분자는 3.5 미만의 극성 지수를 갖는 용매에 불용성이고 개질된 제1 고분자는 4.5 미만의 극성 지수를 갖는 용매에 가용성인 복합재.
- 제1항 내지 제18항 중 어느 한 항에 있어서, 아지로다이트는 화학식 Li7-xPS6-xHalx(Hal= Cl, Br, I, 및 0<x<2)를 갖는 복합재.
- 제19항에 있어서, X는 1 초과인 복합재.
- 다음을 포함하는 복합재:
무기 이온 전도성 입자; 및
고분자 결합제를 포함하는 유기상, 여기서 고분자 결합제는 작용기로 개질된 제1 고분자를 포함하고, 작용기는 제1 고분자의 0.1 내지 5 wt. %임. - 제22항에 있어서, 제1 고분자는 비극성 고분자이고 작용기는 극성 기인 복합재.
- 제21항에 있어서, 제1 고분자는 스타이렌-부타디엔-스타이렌(SBS), 스타이렌-이소프렌-스타이렌(SIS), 스타이렌-에틸렌/프로필렌-스타이렌(SEPS), 스타이렌-에틸렌/부틸렌-스타이렌(SEBS), 스타이렌 부타디엔 고무(SBR), 에틸렌 프로필렌 디엔 단량체(EPDM) 고무, 폴리부타디엔(PBD), 폴리에틸렌(PE), 폴리프로필렌(PP) 및 폴리스타이렌(PS) 중 하나인 복합재.
- 제21항에 있어서, 고분자 결합제는 말레산 무수물로 개질된 SEBS(SEBS-gMA)를 포함하는 복합재.
- 제25항에 있어서, 고분자 결합제는 개질되지 않은 SEBS 및 SEB-gMA의 혼합물을 포함하는 복합재.
제21항에 있어서, 고분자 결합제는 푸르푸릴아민으로 개질된 SEBS(SEBS-gFA)를 포함하는 복합재. - 제21항에 있어서, 고분자 결합제는 작용기로 개질된 제1 고분자 및 개질되지 않은 제1 고분자의 혼합물을 포함하는 복합재.
- 제21항 내지 제27항 중 어느 한 항에 있어서, 무기 이온 전도성 입자는 아지로다이트인 복합재.
- 제21항 내지 제27항 중 어느 한 항에 있어서, 무기 이온 전도성 입자는 황화물 유리 입자인 복합재.
- 제21항 내지 제27항 중 어느 한 항에 있어서, 복합재는 10% 이상의 파단 신율을 갖는 복합재.
- 다음을 포함하는 슬러리:
용매;
용매에 용해된 고분자 결합제, 고분자 결합제는 작용기로 개질된 제1 고분자를 포함하고, 작용기는 제1 고분자의 0.1 내지 5 wt. %임; 및
이온 전도성 황화물 입자는 용매에 현탁됨. - 제31항에 있어서, 용매는 3.5 미만의 극성 지수를 갖는 슬러리.
- 제31항에 있어서, 용매는 할로겐화되고 3.5 초과의 극성 지수를 갖는 슬러리.
- 제31항에 있어서, 제1 고분자는 비극성 고분자이고 작용기는 극성 기인 슬러리.
- 제31항에 있어서, 제1 고분자는 스타이렌-부타디엔-스타이렌(SBS), 스타이렌-이소프렌-스타이렌(SIS), 스타이렌-에틸렌/프로필렌-스타이렌(SEPS), 스타이렌-에틸렌/부틸렌-스타이렌(SEBS), 스타이렌 부타디엔 고무(SBR), 에틸렌 프로필렌 디엔 단량체(EPDM) 고무, 폴리부타디엔(PBD), 폴리에틸렌(PE), 폴리프로필렌(PP) 및 폴리스타이렌(PS) 중 하나인 슬러리.
- 제31항에 있어서, 고분자 결합제는 말레산 무수물로 개질된 SEBS(SEBS-gMA)를 포함하는 슬러리.
- 제31항에 있어서, 고분자 결합제는 푸르푸릴아민으로 개질된 SEBS(SEBS-gFA)를 포함하는 슬러리.
- 제31항에 있어서, 고분자 결합제는 작용기로 개질된 제1 고분자 및 개질되지 않은 제1 고분자의 혼합물을 포함하는 슬러리.
- 제31항에 있어서, 용매는 슬러리의 50% wt 이상인 슬러리.
- 다음을 포함하는 복합재:
무기 이온 전도성 입자; 및
고분자 결합제를 포함하는 유기상, 여기서 고분자 결합제는 작용기로 개질된 제1 고분자를 포함하고, 작용기는 제1 고분자의 0.1 내지 50 wt. %임. - 제41항에 있어서, 작용기는 제1 고분자의 5 내지 50 wt.%인 복합재.
- 제41항에 있어서, 개질되지 않은 제1 고분자는 4.5 미만의 극성 지수를 갖는 용매에 불용성인 복합재.
- 제43항에 있어서, 개질된 제1 고분자는 4.5 미만의 극성 지수를 갖는 용매에 가용성인 복합재.
- 제41항에 있어서, 개질되지 않은 제1 고분자는 3.5 미만의 극성 지수를 갖는 용매에 불용성인 복합재.
- 제45항에 있어서, 개질된 제1 고분자는 3.5 미만의 극성 지수를 갖는 용매에 가용성인 복합재.
- 제41항에 있어서, 제1 고분자는 폴리비닐리덴 플루오라이드(PVDF)인 복합재.
- 제41항에 있어서, 고분자 결합제는 스타이렌으로 개질된 PVDF를 포함하는 복합재.
- 제41항에 있어서, 무기 이온 전도성 입자는 아지로다이트 입자를 포함하는 복합재.
- 제41항에 있어서, 무기 이온 전도성 입자는 황화물 유리 입자를 포함하는 복합재.
- 다음을 포함하는 슬러리 조성물:
용매;
용매에 용해된 고분자 결합제, 고분자 결합제는 작용기로 개질된 제1 고분자를 포함하고, 작용기는 제1 고분자의 0.1 내지 50 wt. % 또는 1 내지 5 wt. %임; 및
이온 전도성 황화물 입자는 용매에 현탁됨. - 제51항에 있어서, 개질되지 않은 제1 고분자는 용매에 불용성인 조성물.
- 제51항 또는 제52항에 있어서, 용매는 4.5 미만의 극성 지수를 갖는 조성물.
- 제51항 또는 제52항에 있어서, 용매는 3.5 미만의 극성 지수를 갖는 조성물.
- 제51항 내지 제54항 중 어느 한 항에 있어서, 제1 고분자는 폴리비닐리덴 플루오라이드(PVDF)인 조성물.
- 제51항 내지 제54항 중 어느 한 항에 있어서, 고분자 결합제는 스타이렌으로 개질된 PVDF를 포함하는 조성물.
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| US62/952,111 | 2019-12-20 | ||
| PCT/US2020/066180 WO2021127542A1 (en) | 2019-12-20 | 2020-12-18 | Composite electrolytes with binders |
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| EP4078698A1 (en) | 2022-10-26 |
| US20210194039A1 (en) | 2021-06-24 |
| US11572459B2 (en) | 2023-02-07 |
| CN115336039A (zh) | 2022-11-11 |
| US11667772B2 (en) | 2023-06-06 |
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