KR20170063721A - 비-수성 전해질 조성물 - Google Patents
비-수성 전해질 조성물 Download PDFInfo
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Abstract
Description
| 전해질 조성물 |
용매 혼합물 | 플루오르에틸렌 카보네이트 (wt%)1 |
LiBOB (wt%)2 |
| A | DFEA:EC | 0 | 0 |
| B | DFEA:FEC | 40 | 0 |
| C | DFEA:FEC | 40 | 2 |
| D | EMC:EC | 0 | 0 |
| E | Et 프로피오네이트:EC | 0 | 0 |
| F | Et 프로피오네이트:EC | 0 | 2 |
| G | DFEA:FEC | 25 | 2 |
| H | EMC:EC:FEC | 1 | 0 |
| I | EMC:EC:FEC | 2 | 0 |
| J | EMC:EC:FEC | 2 | 2 |
| K | DFEA:EC:FEC | 1 | 0 |
| L | DFEA:EC:FEC | 2 | 0 |
| M | EMC:EC | 0 | 2 |
| 1 | DFEA:EC | 0 | 2 |
| 2 | DFEA:EC | 0 | 1 |
| 3 | DFEA:EC:FEC | 2 | 2 |
| 4 | DFEA:EC:FEC | 2 | 1 |
| NMC 코인 전지 |
전해질 조성물 | 80% 사이클 수명 | Cap Disc Cy10 mAh/g | CE Cy10 % | Pos Disc1 mAh/g | 제1 사이클에서의 CE % |
| 1 | C (비교예) |
480 | 179 | 99.67 | 187 | 79.84 |
| 2 | M (비교예) |
380 | 178 | 99.51 | 182 | 79.49 |
| 3 | 1 | 579 | 172 | 99.23 | 181 | 77.00 |
| 스피넬 코인 전지 | 전해질 조성물 | 250 사이클에서의 보유 용량 (55°C) |
| 1 | A (비교예) | 38% |
| 2 | E (비교예) | 14% |
| 3 | F (비교예) | 25% |
| 4 | 1 | 78% |
| 스피넬 코인 전지 | 전해질 조성물 | 1st 사이클에서의 CE % | 10th 사이클에서의 CE % | 방전 용량(1st 사이클) mAh/g | 방전 용량 (10th 사이클) mAh/g | 80% 사이클 수명 |
| 5 | B (비교예) | 72.33 | 97.96 | 45.3 | 41 | - |
| 6 | H (비교예) | 78.40 | 98.56 | 111 | nt | 57 |
| 7 | I (비교예) | 77.77 | 98.74 | 104 | nt | 99 |
| 8 | J (비교예) | 76.27 | 99.10 | 110 | nt | 288 |
| 9 | K (비교예) | 79.20 | 98.85 | 108 | nt | 67 |
| 10 | L (비교예) | 77.14 | 99.06 | 107 | nt | 158 |
| 11 | 1 | 75.18 | 99.17 | 102 | nt | 446 |
| 12 | 2 | 73.89 | 99.27 | 113 | nt | 578 |
| 13 | 3 | 74.56 | 99.32 | 97 | nt | 478 |
| 14 | 4 | 75.33 | 99.37 | 113 | nt | 626 |
| 파우치 전지 | 전해질 조성물 | 80% 사이클 수명 |
| 1 | G (비교예) | 198 |
| 2 | G (비교예) | 155 |
| 3 | 3 | 273 |
| 4 | 3 | 263 |
Claims (19)
- a) R1COOR2로 나타내는 적어도 하나의 플루오르화 화합물;
b) 비-플루오르화 카보네이트;
c) 리튬/붕소 화합물; 및
d) 리튬 염을 포함하며,
식에서 R1 및 R2는 독립적으로 선형 또는 분기형 알킬기를 나타내며; R1 및 R2에서 탄소 원자의 합은 2 내지 7이고; R1 및/또는 R2에서 적어도 2개의 수소 원자는 불소 원자에 의해 대체되고; R1이나 R2 중 어느 것도 -CH2F 또는 -CHF-기를 함유하지 않는, 전해질 조성물. - 제1항에 있어서,
최대 10 중량%의 플루오로에틸렌 카보네이트를 추가로 포함하는 전해질 조성물. - 제1항에 있어서,
비-플루오르화 카보네이트가 고리형 카보네이트인 전해질 조성물. - 제1항에 있어서,
R1이 -CH3, C2H5 또는 C3H7이고, R2가 불소를 함유하는 전해질 조성물. - 제1항에 있어서,
플루오르화 화합물이 CH3CO2CH2CF2H, CH3CH2CO2CH2CF2H, F2CHCH2CO2CH3, F2CHCH2CO2CH2CH3, CH3CO2CH2CH2CF2H, CH3CH2CO2CH2CH2CF2H, F2CHCH2CH2CO2CH2CH3, CH3CO2CH2CF3, 또는 이들의 조합인 전해질 조성물. - 제1항에 있어서,
비-플루오르화 카보네이트가 에틸렌 카보네이트, 프로필렌 카보네이트, 에틸 메틸 카보네이트, 디메틸 카보네이트, 디에틸 카보네이트, 부틸렌 카보네이트, 또는 이들의 조합인 전해질 조성물. - 제1항에 있어서,
리튬/붕소 화합물이 리튬 테트라플루오로보레이트, 리튬 비스(옥살레이토)보레이트, 리튬 디플루오로(옥살레이토)보레이트, Li2B12F12 - xHx(식에서, x는 0 내지 8임), 또는 이들의 조합인 전해질 조성물. - 제1항에 있어서,
리튬 염이 리튬 헥사플루오로포스페이트(LiPF6), 리튬 트리스(펜타플루오로에틸)트리플루오로포스페이트(LiPF3(C2F5)3), 리튬 비스(트리플루오로메탄설포닐)이미드, 리튬 비스(퍼플루오로에탄설포닐)이미드, 리튬 (플루오로설포닐)(노나플루오로부탄설포닐)이미드, 리튬 비스(플루오로설포닐)이미드, 리튬 퍼클로레이트, 리튬 헥사플루오로아르세네이트, 리튬 트리플루오로메탄설포네이트, 리튬 트리스(트리플루오로메탄설포닐)메티드 또는 이들의 조합인 전해질 조성물. - 제1항에 있어서,
조성물이
a) 5 내지 90 중량% 범위의 2,2-디플루오로에틸 아세테이트;
b) 10 내지 80 중량% 범위의 에틸렌 카보네이트;
c) 0.1 내지 10 중량% 범위의 리튬 비스(옥살레이토)보레이트; 및
d) 리튬 헥사플루오로포스페이트를 포함하며;
모든 중량 백분율은 조성물의 총 중량을 기준으로 하는, 전해질 조성물. - 제9항에 있어서,
2,2-디플루오로에틸 아세테이트의 양이 조성물의 총 중량을 기준으로 30 내지 70 중량% 범위인 전해질 조성물. - 제9항에 있어서,
0.1 내지 5.0 중량% 범위의 e) 플루오로에틸렌 카보네이트를 추가로 포함하며, 중량 백분율은 조성물의 총 중량을 기준으로 하는 전해질 조성물. - (a) 하우징;
(b) 하우징 내에 배치되고 서로 이온 전도성 접촉을 하고 있는 애노드 및 캐소드;
(c) 하우징 내에 배치되고 애노드 및 캐소드 간 이온 전도성 경로를 제공하는 제1항의 전해질 조성물; 및
(d) 애노드 및 캐소드 간 다공성 분리막
을 포함하는 전기화학적 전지. - 제12항에 있어서,
리튬 이온 배터리인 전기화학적 전지. - 제13항에 있어서,
애노드가 애노드 활성 물질을 포함하며 애노드 활성 물질이 리튬 티타네이트 또는 흑연인 전기화학적 전지. - 제13항에 있어서,
캐소드가 Li/Li+ 참조 전극 대비 4.6 V를 초과하는 전위 범위에서 30 mAh/g 초과 용량을 나타내는 캐소드 활성 물질을 포함하는 전기화학적 전지. - 제13항에 있어서,
캐소드가 Li/Li+ 참조 전극 대비 4.20 V 이상 전위까지 충전되는 캐소드 활성 물질을 포함하는 전기화학적 전지. - 제13항에 있어서,
캐소드가 캐소드 활성 물질을 포함하며, 캐소드 활성 물질이 하기 화학식으로 나타내는 리튬-함유 망간 복합 산화물인 전기화학적 전지:
LixNiyMzMn2 -y- zO4 -d
식에서, x는 0.03 내지 1.0이며; x는 충전 및 방전 동안 리튬 이온 및 전자의 방출 및 흡수에 따라 변화하고; y는 0.3 내지 0.6이고; M은 Cr, Fe, Co, Li, Al, Ga, Nb, Mo, Ti, Zr, Mg, Zn, V, 및 Cu 중 하나 이상을 포함하고; z는 0.01 내지 0.18이고; d는 0 내지 0.3이다. - 제13항에 있어서,
캐소드가 LiaNibMncCodReO2-fZf를 포함하는 전기화학적 전지:
식에서, R은 Al, Ni, Co, Mn, Cr, Fe, Mg, Sr, V, Zr, Ti, 희토류 원소, 또는 이들의 조합이고; Z는 F, S, P 또는 이들의 조합이고; 0.8≤a≤1.2, 0.1≤b≤0.5, 0.2≤c≤0.7, 0.05≤d≤0.4, 0≤e≤0.2이고, 합 b+c+d+e는 약 1이며; 0≤f≤0.08이다. - 제13항의 전기화학적 전지를 포함하는 컴퓨터, 카메라, 라디오, 전기 기구, 통신 장치, 또는 운송 장치.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020237018954A KR102835868B1 (ko) | 2014-09-19 | 2015-09-11 | 비-수성 전해질 조성물 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/490,785 | 2014-09-19 | ||
| US14/490,785 US20160087307A1 (en) | 2014-09-19 | 2014-09-19 | Nonaqueous electrolyte compositions |
| PCT/US2015/049642 WO2016044088A1 (en) | 2014-09-19 | 2015-09-11 | Nonaqueous electrolyte compositions |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20190131721A (ko) | 2018-05-17 | 2019-11-27 | 주식회사 엘지화학 | 리튬 이차 전지용 전해질 및 이를 포함하는 리튬 이차 전지 |
| KR20190141016A (ko) * | 2017-08-07 | 2019-12-20 | 다이킨 고교 가부시키가이샤 | 전해액, 전기 화학 디바이스, 리튬 이온 이차 전지 및 모듈 |
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| CA2844796C (en) | 2011-09-02 | 2020-12-29 | E. I. Du Pont De Nemours And Company | Lithium ion battery with nonaqueous electrolyte comprising fluorinated acyclic carboxylic acid ester and/or fluorinated acyclic carbonate |
| JP6178316B2 (ja) | 2011-09-02 | 2017-08-09 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニーE.I.Du Pont De Nemours And Company | フッ素化電解質組成物 |
| US10044066B2 (en) | 2012-06-01 | 2018-08-07 | Solvary SA | Fluorinated electrolyte compositions |
| WO2013180781A1 (en) | 2012-06-01 | 2013-12-05 | E. I. Du Pont De Nemours And Company | Lithium- ion battery |
| US10916805B2 (en) | 2013-04-04 | 2021-02-09 | Solvay Sa | Nonaqueous electrolyte compositions |
| JP6680293B2 (ja) * | 2015-03-25 | 2020-04-15 | 日本電気株式会社 | ハイドロフルオロエーテル化合物、非水電解液およびリチウムイオン二次電池 |
| US10707531B1 (en) | 2016-09-27 | 2020-07-07 | New Dominion Enterprises Inc. | All-inorganic solvents for electrolytes |
| WO2018200631A1 (en) * | 2017-04-25 | 2018-11-01 | Board Of Regents, The University Of Texas System | Electrolytes and electrochemical devices |
| EP3738167B1 (en) * | 2018-01-12 | 2024-04-10 | Syensqo Sa | Non-aqueous electrolyte compositions comprising lithium bis(fluorosulfonyl)imide |
| JP6970891B2 (ja) | 2018-01-19 | 2021-11-24 | トヨタ自動車株式会社 | 非水電解液の製造方法、非水電解液および非水電解液二次電池 |
| KR102675258B1 (ko) * | 2018-01-30 | 2024-06-17 | 주식회사 엘지에너지솔루션 | 고온 저장 특성이 향상된 리튬 이차전지 |
| WO2019151725A1 (ko) * | 2018-01-30 | 2019-08-08 | 주식회사 엘지화학 | 고온 저장 특성이 향상된 리튬 이차전지 |
| DE102018206383A1 (de) * | 2018-04-25 | 2019-10-31 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zum Betreiben einer Lithiumionenbatterie, Lithiumionenbatterie und Kraftfahrzeug |
| CN109524715B (zh) * | 2018-11-22 | 2021-09-17 | 桑顿新能源科技(长沙)有限公司 | 一种锂离子电池电解液用添加剂及电解液及锂离子电池 |
| CN112635824A (zh) * | 2019-10-08 | 2021-04-09 | 上海比亚迪有限公司 | 锂离子电池电解液及锂离子电池 |
| US20230019506A1 (en) * | 2019-12-03 | 2023-01-19 | Solvay Sa | Electrolyte composition with fluorinated acyclic carbonate and fluorinated cyclic carbonate |
| KR20220108800A (ko) * | 2019-12-03 | 2022-08-03 | 솔베이(소시에떼아노님) | 플루오린화 어사이클릭 에스테르 및 플루오린화 사이클릭 카르보네이트를 함유하는 전해질 조성물 |
| CN116250093A (zh) * | 2020-09-10 | 2023-06-09 | 三菱化学株式会社 | 非水系电解液和包含该非水系电解液的非水系电解液二次电池 |
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| CN102082295A (zh) * | 2010-12-29 | 2011-06-01 | 东莞市杉杉电池材料有限公司 | 一种锂离子二次电池的电解液 |
| KR20130130844A (ko) * | 2011-02-28 | 2013-12-02 | 쇼와 덴코 가부시키가이샤 | 이차 전지용 비수 전해액 및 비수 전해액 이차 전지 |
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| JP6054956B2 (ja) * | 2011-06-07 | 2016-12-27 | スリーエム イノベイティブ プロパティズ カンパニー | フルオロカーボン電解質添加剤を含むリチウムイオン電気化学電池 |
| US8394539B2 (en) * | 2011-06-24 | 2013-03-12 | GM Global Technology Operations LLC | Lithium salts of fluorinated borate esters for lithium-ion batteries |
| JP6178316B2 (ja) * | 2011-09-02 | 2017-08-09 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニーE.I.Du Pont De Nemours And Company | フッ素化電解質組成物 |
| CA2844796C (en) * | 2011-09-02 | 2020-12-29 | E. I. Du Pont De Nemours And Company | Lithium ion battery with nonaqueous electrolyte comprising fluorinated acyclic carboxylic acid ester and/or fluorinated acyclic carbonate |
| US10044066B2 (en) * | 2012-06-01 | 2018-08-07 | Solvary SA | Fluorinated electrolyte compositions |
| CN103972588B (zh) * | 2014-05-20 | 2017-02-01 | 中国科学院宁波材料技术与工程研究所 | 非水电解液与锂离子电池 |
-
2014
- 2014-09-19 US US14/490,785 patent/US20160087307A1/en not_active Abandoned
-
2015
- 2015-09-11 WO PCT/US2015/049642 patent/WO2016044088A1/en not_active Ceased
- 2015-09-11 PL PL15767044T patent/PL3195401T3/pl unknown
- 2015-09-11 HU HUE15767044A patent/HUE043599T2/hu unknown
- 2015-09-11 CN CN201580062969.4A patent/CN107210481A/zh active Pending
- 2015-09-11 CA CA2961576A patent/CA2961576C/en active Active
- 2015-09-11 KR KR1020237018954A patent/KR102835868B1/ko active Active
- 2015-09-11 KR KR1020177010182A patent/KR20170063721A/ko not_active Ceased
- 2015-09-11 EP EP15767044.9A patent/EP3195401B1/en active Active
- 2015-09-11 CN CN202211094188.1A patent/CN115458799A/zh active Pending
- 2015-09-11 JP JP2017515117A patent/JP6895375B2/ja active Active
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2021
- 2021-03-17 JP JP2021043175A patent/JP2021106161A/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190141016A (ko) * | 2017-08-07 | 2019-12-20 | 다이킨 고교 가부시키가이샤 | 전해액, 전기 화학 디바이스, 리튬 이온 이차 전지 및 모듈 |
| KR20190131721A (ko) | 2018-05-17 | 2019-11-27 | 주식회사 엘지화학 | 리튬 이차 전지용 전해질 및 이를 포함하는 리튬 이차 전지 |
Also Published As
| Publication number | Publication date |
|---|---|
| HUE043599T2 (hu) | 2019-08-28 |
| JP2021106161A (ja) | 2021-07-26 |
| JP6895375B2 (ja) | 2021-06-30 |
| CA2961576C (en) | 2023-05-02 |
| EP3195401B1 (en) | 2019-02-27 |
| KR20230088924A (ko) | 2023-06-20 |
| JP2017527971A (ja) | 2017-09-21 |
| CA2961576A1 (en) | 2016-03-24 |
| EP3195401A1 (en) | 2017-07-26 |
| KR102835868B1 (ko) | 2025-07-21 |
| US20160087307A1 (en) | 2016-03-24 |
| CN115458799A (zh) | 2022-12-09 |
| PL3195401T3 (pl) | 2019-08-30 |
| WO2016044088A1 (en) | 2016-03-24 |
| CN107210481A (zh) | 2017-09-26 |
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