KR101648465B1 - 겔 고분자 전해질, 이의 제조 방법 및 이를 포함하는 전기화학 소자 - Google Patents
겔 고분자 전해질, 이의 제조 방법 및 이를 포함하는 전기화학 소자 Download PDFInfo
- Publication number
- KR101648465B1 KR101648465B1 KR1020150024262A KR20150024262A KR101648465B1 KR 101648465 B1 KR101648465 B1 KR 101648465B1 KR 1020150024262 A KR1020150024262 A KR 1020150024262A KR 20150024262 A KR20150024262 A KR 20150024262A KR 101648465 B1 KR101648465 B1 KR 101648465B1
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- South Korea
- Prior art keywords
- polymer electrolyte
- group
- gel polymer
- solvent
- monomer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000005518 polymer electrolyte Substances 0.000 title claims abstract description 109
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims description 19
- 239000000178 monomer Substances 0.000 claims abstract description 115
- 238000004132 cross linking Methods 0.000 claims abstract description 44
- 150000003839 salts Chemical class 0.000 claims abstract description 43
- 239000011159 matrix material Substances 0.000 claims abstract description 37
- 229920006037 cross link polymer Polymers 0.000 claims abstract description 33
- 125000000524 functional group Chemical group 0.000 claims abstract description 19
- NIXOWILDQLNWCW-UHFFFAOYSA-M acrylate group Chemical group C(C=C)(=O)[O-] NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims abstract description 15
- 125000004093 cyano group Chemical group *C#N 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims description 72
- 239000002243 precursor Substances 0.000 claims description 49
- 239000003960 organic solvent Substances 0.000 claims description 44
- 229910052744 lithium Inorganic materials 0.000 claims description 31
- 239000002904 solvent Substances 0.000 claims description 28
- -1 ethyl cyanoethoxy Chemical group 0.000 claims description 21
- INQDDHNZXOAFFD-UHFFFAOYSA-N 2-[2-(2-prop-2-enoyloxyethoxy)ethoxy]ethyl prop-2-enoate Chemical compound C=CC(=O)OCCOCCOCCOC(=O)C=C INQDDHNZXOAFFD-UHFFFAOYSA-N 0.000 claims description 20
- CYUZOYPRAQASLN-UHFFFAOYSA-N 3-prop-2-enoyloxypropanoic acid Chemical compound OC(=O)CCOC(=O)C=C CYUZOYPRAQASLN-UHFFFAOYSA-N 0.000 claims description 14
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 14
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- MTPIZGPBYCHTGQ-UHFFFAOYSA-N 2-[2,2-bis(2-prop-2-enoyloxyethoxymethyl)butoxy]ethyl prop-2-enoate Chemical compound C=CC(=O)OCCOCC(CC)(COCCOC(=O)C=C)COCCOC(=O)C=C MTPIZGPBYCHTGQ-UHFFFAOYSA-N 0.000 claims description 9
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- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 8
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 claims description 8
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- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 claims description 5
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- LPGBDZCTHHVGMQ-UHFFFAOYSA-N ethyl 2-cyanoprop-2-enoate Chemical compound C(#N)C(C(=O)OCC)=C.C(#N)C(C(=O)OCC)=C LPGBDZCTHHVGMQ-UHFFFAOYSA-N 0.000 claims 2
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- 238000007254 oxidation reaction Methods 0.000 description 9
- YLZOPXRUQYQQID-UHFFFAOYSA-N 3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-1-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]propan-1-one Chemical compound N1N=NC=2CN(CCC=21)CCC(=O)N1CCN(CC1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F YLZOPXRUQYQQID-UHFFFAOYSA-N 0.000 description 8
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Classifications
-
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Abstract
Description
도 2는, 본 발명의 일 실시예에 따른 겔 고분자 전해질 필름에 대한 접착성 평가 방식을 개략적으로 나타낸 그림이다.
도 3은, 상기 접착성 평가 후 겔 고분자 전해질 필름의 외관 사진이다.
도 4는, 본 발명의 실시예 1-1에 대한 상기 접착성 평가 결과를 나타내는 그래프이다.
도 5는, 본 발명의 실시예 1-2에 대한 상기 접착성 평가 결과를 나타내는 그래프이다.
도 6은, 본 발명의 비교예 1에 대한 상기 접착성 평가 결과를 나타내는 그래프이다.
도 7은, 본 발명의 일 실시예 1-1에 따른 리튬 메탈 비대칭 코인셀에 대한 산화 안정성 평가 결과를 나타내는 그래프이다.
도 8은, 본 발명의 실시예 1-2에 따른 리튬 메탈 비대칭 코인셀에 대한 산화 안정성 평가 결과를 나타내는 그래프이다.
도 9는, 본 발명의 비교예 1에 따른 리튬 메탈 비대칭 코인셀에 대한 산화 안정성 평가 결과를 나타내는 그래프이다.
도 10은, 본 발명의 실시예 1-1에 따른 리튬 메탈 비대칭 코인셀에 대한 산화-환원 안정성 평가 결과를 나타내는 그래프이다.
도 11은, 본 발명의 실시예 1-2에 따른 리튬 메탈 비대칭 코인셀에 대한 산화-환원 안정성 평가 결과를 나타내는 그래프이다.
도 12는, 본 발명의 비교예 1에 따른 리튬 메탈 비대칭 코인셀에 대한 산화-환원 안정성 평가 결과를 나타내는 그래프이다.
도 13은, 본 발명의 실시예 1-1에 따른 리튬 이온 이차 전지에 대한 방전 용량 평가 결과를 나타내는 그래프이다.
도 14는, 본 발명의 실시예 1-2에 따른 리튬 이온 이차 전지에 대한 방전 용량 평가 결과를 나타내는 그래프이다.
도 15는, 본 발명의 비교예 1에 따른 리튬 이온 이차 전지에 대한 방전 용량 평가 결과를 나타내는 그래프이다.
구분 | 이온 전도도 (S·cm-1) | |
측정 값 | 보정 값 | |
제조예 2-1 (실시예 1-1의 겔 고분자 전해질을 포함하는 리튬 이온 이차 전지) |
9.240 ⅹ10-4 | 1.519 ⅹ10-2 |
제조예 2-2 (실시예 1-2의 겔 고분자 전해질을 포함하는 리튬 이온 이차 전지) |
9.044 ⅹ10-4 | 1.486 ⅹ10-2 |
제조비교예 2 (비교예 1의 겔 고분자 전해질을 포함하는 리튬 이온 이차 전지) |
8.685 ⅹ10-4 | 1.427 ⅹ10-2 |
Claims (14)
- 서로 다른 3종 이상의 가교 가능한 모노머가 가교 결합되어, 적어도 3 성분계 이상의 다성분계이고, 그물 구조인, 다성분계 가교 고분자 매트릭스;
해리 가능한 염; 및
유기 용매;를 포함하는 겔 고분자 전해질이며,
상기 서로 다른 3종 이상의 가교 가능한 모노머는, 각각 카르복실 작용기(carboxylic group), 아크릴레이트 작용기(acrylate group), 및 시아노 작용기 (cyano group)를 포함하는 군 중에서 선택되는 적어도 하나의 작용기를 포함하며, 3종 이상의 것이고,
상기 다성분계 가교 고분자 매트릭스는, 카르복실 작용기(carboxylic group) 및 시아노 작용기 (cyano group) 중 적어도 하나의 작용기를 포함함과 동시에, 아크릴레이트 작용기(acrylate group)를 포함하는 것이고,
상기 다성분계 가교 고분자 매트릭스의 함량이 1 내지 50 중량%인,
겔 고분자 전해질.
- 제1항에 있어서,
상기 가교 가능한 모노머는 각각,
열가교 모노머, 열가교 모노머의 유도체, 광가교 모노머, 광가교 모노머의 유도체, 및 이들의 조합을 포함하는 군 중에서 선택된 어느 하나인,
겔 고분자 전해질.
- 제2항에 있어서,
상기 가교 가능한 모노머는 각각,
트리메틸올프로판에톡시레이트 트리아크릴레이트(trimethylolpropane-ethocylate triacrylate), 아크릴릭 엑시드(acrylic acid), 카르복시에틸 아크릴레이트(carboxyethyl acrylate), 폴리 아크릴릭 엑시드(poly acrylic acid), 카르복시메틸 셀룰로오스(carboxymethyl cellulose), 알지네이트(alginate), 폴리비닐알코올(polyvinyl chloride), 아가로즈(agarose), 폴리에틸렌글리콜 디아크릴레이트(polyethylene glycol diacrylate), 트리에틸렌글리콜 디아크릴레이트(triethylene glycol diacrylate), 트리메틸올프로판에톡시레이트 트리아크릴레이트(trimethylolpropane-ethocylate triacrylate), 비스페놀에이에톡시레이트 디메타아크릴레이트(bisphenol-A- ethocylate dimethaacrylate), 카르복시에틸 아크릴레이트(carboxyethyl acrylate), 메틸 시아노아크릴레이트(methyl cyanoacrylate), 에틸 시아노아크릴레이트(ethyl cyanoacrylate), 에틸 시아노 에톡시아크릴레이트(ethyl cyano ethoxyacrylate), 시아노 아크릴릭엑시드(cyano acrylicacid), 하이드록시에틸 메타크릴레이트(hydroxyethyl metacrylate), 하이드록시프로필 아크릴레이트(hydroxypropyl acrylate), 이들의 유도체, 및 이들의 혼합물을 포함하는 군 중에서 선택된 어느 하나인,
겔 고분자 전해질.
- 제1항에 있어서,
상기 해리 가능한 염은,
LiPF6, LiBF4, LiSbF6, LiAsF6, LiC4F9SO3, LiClO4, LiAlO2, LiAlCl4, LiN(CxF2x+1SO2)(CyF2y+1SO2)(여기서, x 및 y는 자연수임), LiCl, LiI, LiB(C2O4)2(리튬 비스옥살레이토 보레이트(lithium bis(oxalato) borate; LiBOB), 또는 이들의 조합을 포함하는 것인,
겔 고분자 전해질.
- 제1항에 있어서,
상기 유기 용매에 대한 상기 해리 가능한 염의 농도는,
0.1 내지 5.0 M인
겔 고분자 전해질.
- 제1항에 있어서,
상기 유기 용매는,
카보네이트계 용매, 에스테르계 용매, 에테르계 용매, 케톤계 용매, 알코올계 용매, 비양성자성 용매, 니트릴계 용매, 글림계 용매, 또는 이들의 조합을 포함하는 것인,
겔 고분자 전해질.
- 서로 다른 3종 이상의 가교 가능한 모노머, 해리 가능한 염, 및 유기 용매를 혼합하여, 전구체 조성물을 제조하는 단계; 및
상기 전구체 조성물에 열 또는 자외선을 가하여, 상기 서로 다른 3종 이상의 가교 가능한 모노머를 가교시키는 단계;를 포함하며,
상기 서로 다른 3종 이상의 가교 가능한 모노머는, 각각 카르복실 작용기(carboxylic group), 아크릴레이트 작용기(acrylate group), 및 시아노 작용기 (cyano group)를 포함하는 군 중에서 선택되는 적어도 하나의 작용기를 포함하며, 3종 이상의 것이고,
상기 전구체 조성물에 열 또는 자외선을 가하여, 상기 서로 다른 3종 이상의 가교 가능한 모노머를 가교시키는 단계;에서,
상기 서로 다른 3종 이상의 가교 가능한 모노머가 가교되어, 적어도 3 성분계 이상의 다성분계이고, 그물 구조인, 다성분계 가교 고분자 매트릭스가 형성되고,
상기 그물 구조인 다성분계 가교 고분자 매트릭스에 상기 해리 가능한 염 및 상기 유기 용매가 침투되어, 겔 형태의 고분자 전해질이 형성되며,
상기 다성분계 가교 고분자 매트릭스는, 카르복실 작용기(carboxylic group) 및 시아노 작용기 (cyano group) 중 적어도 하나의 작용기를 포함함과 동시에, 아크릴레이트 작용기(acrylate group)를 포함하는 것인,
겔 고분자 전해질의 제조 방법.
- 삭제
- 제7항에 있어서,
상기 가교 가능한 모노머는 각각,
열가교 모노머, 열가교 모노머의 유도체, 광가교 모노머, 광가교 모노머의 유도체, 및 이들의 조합을 포함하는 군 중에서 선택된 어느 하나인,
겔 고분자 전해질의 제조 방법.
- 제7항에 있어서,
상기 가교 가능한 모노머는 각각,
트리메틸올프로판에톡시레이트 트리아크릴레이트(trimethylolpropane-ethocylate triacrylate), 아크릴릭 엑시드(acrylic acid), 카르복시에틸 아크릴레이트(carboxyethyl acrylate), 폴리 아크릴릭 엑시드(poly acrylic acid), 카르복시메틸 셀룰로오스(carboxymethyl cellulose), 알지네이트(alginate), 폴리비닐알코올(polyvinyl chloride), 아가로즈(agarose), 폴리에틸렌글리콜 디아크릴레이트(polyethylene glycol diacrylate), 트리에틸렌글리콜 디아크릴레이트(triethylene glycol diacrylate), 트리메틸올프로판에톡시레이트 트리아크릴레이트(trimethylolpropane-ethocylate triacrylate), 비스페놀에이에톡시레이트 디메타아크릴레이트(bisphenol-A- ethocylate dimethaacrylate), 카르복시에틸 아크릴레이트(carboxyethyl acrylate), 메틸 시아노아크릴레이트(methyl cyanoacrylate), 에틸 시아노아크릴레이트(ethyl cyanoacrylate), 에틸 시아노 에톡시아크릴레이트(ethyl cyano ethoxyacrylate), 시아노 아크릴릭엑시드(cyano acrylicacid), 하이드록시에틸 메타크릴레이트(hydroxyethyl metacrylate), 하이드록시프로필 아크릴레이트(hydroxypropyl acrylate), 이들의 유도체, 및 이들의 혼합물을 포함하는 군 중에서 선택된 어느 하나인,
겔 고분자 전해질의 제조 방법.
- 제7항에 있어서,
서로 다른 3종 이상의 가교 가능한 모노머, 해리 가능한 염, 및 유기 용매를 혼합하여, 전구체 조성물을 제조하는 단계;에서,
상기 제조된 전구체 조성물 내 상기 가교 가능한 모노머 전체의 함량은,
1 내지 50 중량%인,
겔 고분자 전해질의 제조 방법.
- 제7항에 있어서,
서로 다른 3종 이상의 가교 가능한 모노머, 해리 가능한 염, 및 유기 용매를 혼합하여, 전구체 조성물을 제조하는 단계;에서,
상기 유기 용매에 대한 상기 해리 가능한 염의 농도는,
0.1 내지 5.0 M인
겔 고분자 전해질의 제조 방법.
- 양극;
음극;
세퍼레이터; 및
상기 양극, 상기 음극 및 상기 세퍼레이터에 함침되는, 전해질;을 포함하며,
상기 전해질은, 제1항 내지 제6항 중 어느 한 항에 따른 겔 고분자 전해질인 것인,
전기화학 소자.
- 제13항에서,
상기 전기화학 소자는,
리튬 이차 전지 또는 수퍼 커패시터(super capacitor)인,
전기화학소자.
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ES15882812T ES2821827T3 (es) | 2015-02-17 | 2015-12-14 | Electrolito polimérico en gel, método de preparación del mismo y dispositivo electroquímico que comprende el mismo |
CN201580074047.5A CN107251305B (zh) | 2015-02-17 | 2015-12-14 | 凝胶聚合物电解质、它的制备方法及包含它的电化学元件 |
PCT/KR2015/013675 WO2016133279A1 (ko) | 2015-02-17 | 2015-12-14 | 겔 고분자 전해질, 이의 제조 방법 및 이를 포함하는 전기화학 소자 |
EP15882812.9A EP3261164B1 (en) | 2015-02-17 | 2015-12-14 | Gel polymer electrolyte, method for preparing same, and electrochemical device comprising same |
US15/548,164 US10707527B2 (en) | 2015-02-17 | 2015-12-14 | Gel polymer electrolyte, electrochemical device, and methods thereof |
JP2017542478A JP6469879B2 (ja) | 2015-02-17 | 2015-12-14 | ゲル高分子電解質、その製造方法およびゲル高分子電解質を含む電気化学素子 |
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WO2016133279A1 (ko) | 2016-08-25 |
JP2018510459A (ja) | 2018-04-12 |
EP3261164A4 (en) | 2018-07-25 |
ES2821827T3 (es) | 2021-04-27 |
EP3261164A1 (en) | 2017-12-27 |
EP3261164B1 (en) | 2020-08-26 |
US20180034101A1 (en) | 2018-02-01 |
CN107251305B (zh) | 2019-10-25 |
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