KR101884568B1 - 전이금속 이온을 킬레이팅하는 작용기를 포함하고 열적 겔화가 가능한 전이금속 킬레이팅 작용기 중합체 - Google Patents
전이금속 이온을 킬레이팅하는 작용기를 포함하고 열적 겔화가 가능한 전이금속 킬레이팅 작용기 중합체 Download PDFInfo
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- KR101884568B1 KR101884568B1 KR1020170068986A KR20170068986A KR101884568B1 KR 101884568 B1 KR101884568 B1 KR 101884568B1 KR 1020170068986 A KR1020170068986 A KR 1020170068986A KR 20170068986 A KR20170068986 A KR 20170068986A KR 101884568 B1 KR101884568 B1 KR 101884568B1
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- South Korea
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- transition metal
- functional group
- metal chelating
- chelating functional
- polymer
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 47
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Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F216/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical
- C08F216/02—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical by an alcohol radical
- C08F216/04—Acyclic compounds
- C08F216/06—Polyvinyl alcohol ; Vinyl alcohol
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F216/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical
- C08F216/12—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical by an ether radical
- C08F216/14—Monomers containing only one unsaturated aliphatic radical
- C08F216/1458—Monomers containing nitrogen
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F226/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen
- C08F226/02—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a single or double bond to nitrogen
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/122—
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
[화학식 1]
k 및 l은 1 이상의 자연수, m은 0 또는 1 이상의 자연수
A, B 및 C 중 하나 이상은 전이금속 킬레이팅 작용기를 포함하는 것이고, 전이금속 킬레이팅 작용기를 포함하지 않는 나머지는, 각각, 말단에 니트릴 기를 포함하는 작용기, 말단에 하이드록실(Hydroxyl)기를 포함하는 작용기, C1-10의 선형 알킬기 및 H로 이루어진 군에서 선택되는 어느 하나인 것.
Description
도 2는, 본 발명의 일 예에 따르는 겔 상태 전해질 조성물을 적용한 리튬 이온전지에 있어서, 우수한 용량 유지율을 보임을 확인할 수 있는 전지의 용량 유지율 측정 실험에 대한 결과 그래프이다.
Claims (16)
- 아래의 [화학식 1] 로 표시되는 반복 단위를 하나 이상 포함하고,
상기 화학식 1의 전이금속 킬레이팅 작용기는 말단에 아래의 [화학식 2]의 작용기를 포함하는 것이고,
상기 화학식 1의 전이금속 킬레이팅 작용기는 에스터화 반응(Esterification)에 의해 중합체의 메인 체인(Main chain)에 결합 형성된 것인,
전이금속 킬레이팅 작용기를 포함하는 중합체.
[화학식 1]
k 및 l은 1 이상의 자연수, m은 0 또는 1 이상의 자연수
A, B 및 C 중 하나 이상은 전이금속 킬레이팅 작용기를 포함하는 것이고, 전이금속 킬레이팅 작용기를 포함하지 않는 나머지는, 각각, 말단에 니트릴 기를 포함하는 작용기, 말단에 하이드록실(Hydroxyl)기를 포함하는 작용기, C1-10의 선형 알킬기 및 H로 이루어진 군에서 선택되는 어느 하나인 것(단, C만이 전이금속 킬레이팅 작용기를 포함하는 경우, m은 0이 아니다.)
[화학식 2]
X는 H 또는 C1-10의 선형 알킬기
- 제1항에 있어서,
상기 전이금속 킬레이팅 작용기는 질소를 포함하는 헤테로 고리 화합물을 포함하는 것인,
전이금속 킬레이팅 작용기를 포함하는 중합체.
- 제1항에 있어서,
상기 중합체는, 하이드록실(Hydroxyl) 작용기 대비 상기 전이금속 킬레이팅 작용기의 비가 1 : 1.2 내지 1 : 1.6 인 것인,
전이금속 킬레이팅 작용기를 포함하는 중합체.
- 제1항에 있어서,
상기 중합체는, 500 내지 1,000,000의 중량 평균분자량을 갖는 폴리비닐알코올계 수지인 것인,
전이금속 킬레이팅 작용기를 포함하는 중합체.
- 삭제
- 삭제
- 용매;
리튬염; 및
아래의 [화학식 1] 로 표시되는 반복 단위를 하나 이상 포함하는 중합체를 포함하는 첨가제;를 포함하고,
상기 화학식 1의 전이금속 킬레이팅 작용기는 말단에 아래의 [화학식 2]의 작용기를 포함하는 것이고,
상기 화학식 1의 전이금속 킬레이팅 작용기는 에스터화 반응(Esterification)에 의해 중합체의 메인 체인(Main chain)에 결합 형성된 것인,
전이금속 킬레이팅 작용기를 포함하는 전해질 조성물.
[화학식 1]
k 및 l은 1 이상의 자연수, m은 0 또는 1 이상의 자연수,
A, B 및 C 중 하나 이상은 전이금속 킬레이팅 작용기를 포함하는 것이고, 전이금속 킬레이팅 작용기를 포함하지 않는 나머지는, 각각, 말단에 니트릴 기를 포함하는 작용기, 말단에 하이드록실(Hydroxyl)기를 포함하는 작용기, C1-10의 선형 알킬기 및 H로 이루어진 군에서 선택되는 어느 하나인 것(단, C만이 전이금속 킬레이팅 작용기를 포함하는 경우, m은 0이 아니다.)
[화학식 2]
X는 H 또는 C1-10의 선형 알킬기
- 제7항에 있어서,
상기 전해질 조성물은, 30 ℃ 내지 80 ℃ 에서 겔화 반응을 일으키는 것인,
전이금속 킬레이팅 작용기를 포함하는 전해질 조성물.
- 제7항에 있어서,
상기 첨가제는, 상기 전해질 조성물 전체의 0.5 중량% 내지 15 중량%로 포함되는 것인,
전이금속 킬레이팅 작용기를 포함하는 전해질 조성물.
- 제7항에 있어서,
상기 용매는, 선형 카보네이트 화합물 및 환형 카보네이트 화합물을 포함하는 비수계 용매인 것인,
전이금속 킬레이팅 작용기를 포함하는 전해질 조성물.
- 제7항에 있어서,
상기 용매는, DOL(Dioxolane), DME(Dimethoxyethane), TEGDME(Triethylene glycol dimethyl ether), EC(Ethylene carbonate), EMC(Ethyl methyl carbonate), 톨루엔, 아세톤, 메탄올, 에탄올, THF(Tetra hydrofurane), 클로로벤젠 및 DMF(Dimethyl form amide)로 이루어진 군에서 선택되는 하나 이상을 포함하는 것인,
전이금속 킬레이팅 작용기를 포함하는 전해질 조성물.
- 제7항에 있어서,
상기 리튬염은, LiPF6, LiCl, LiBr, LiI, LiClO4, LiBF4, LiCF3SO3, LiCF3CO2, LiAsF6, LiSbF6, LiAlCl4, CH3SO3Li, CF3SO3Li, (CF3SO2)2NLi, 클로로 보란 리튬, 지방족 카르본산 리튬, 4 페닐 붕산 리튬 또는 이들의 혼합물로 이루어진 군에서 선택되는 하나 이상을 포함하는 것인,
전이금속 킬레이팅 작용기를 포함하는 전해질 조성물.
- 제7항에 있어서,
상기 전이금속 킬레이팅 작용기는 질소를 포함하는 헤테로 고리 화합물을 포함하는 것인,
전이금속 킬레이팅 작용기를 포함하는 전해질 조성물.
- 양극;
음극;
양극과 음극 사이에 포함되는 분리막; 및
제7항 내지 제13항 중 어느 한 항의 전해질 조성물;을 포함하는,
전기화학소자.
- 제14항에 있어서,
상기 양극은 망간, 니켈, 코발트 및 철로 이루어진 전이금속 군에서 선택되는 하나 이상을 포함하는 것인,
전기화학소자.
- 제14항에 있어서,
상기 전기화학소자는, 리튬 이온전지, 커패시터 또는 태양전지 중 어느 하나인 것인,
전기화학소자.
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WO2022255598A1 (ko) * | 2021-06-03 | 2022-12-08 | 울산과학기술원 | 난연성 겔 전해질 및 이를 포함하는 에너지 저장장치 |
WO2023038439A1 (ko) * | 2021-09-09 | 2023-03-16 | 주식회사 엘지에너지솔루션 | 리튬 이차전지용 비수전해액 및 이를 포함하는 리튬 이차전지 |
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