KR20170110521A - 비수전해액 첨가제, 이를 포함하는 리튬 이차전지용 비수전해액 및 리튬 이차전지 - Google Patents
비수전해액 첨가제, 이를 포함하는 리튬 이차전지용 비수전해액 및 리튬 이차전지 Download PDFInfo
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- 0 *C#C*N(*C#N)*C#N Chemical compound *C#C*N(*C#N)*C#N 0.000 description 1
- MXSJHQLEGFDAPW-UHFFFAOYSA-N CCCCC(CC#N)C#N Chemical compound CCCCC(CC#N)C#N MXSJHQLEGFDAPW-UHFFFAOYSA-N 0.000 description 1
- RRZPNCCMKJRKTH-UHFFFAOYSA-N CCCCN(CC#N)CC#N Chemical compound CCCCN(CC#N)CC#N RRZPNCCMKJRKTH-UHFFFAOYSA-N 0.000 description 1
- MACIRNCHMFSHHX-UHFFFAOYSA-N CCCN(CC#N)CC#N Chemical compound CCCN(CC#N)CC#N MACIRNCHMFSHHX-UHFFFAOYSA-N 0.000 description 1
- ZIUSEGSNTOUIPT-UHFFFAOYSA-N CCOC(CC#N)=O Chemical compound CCOC(CC#N)=O ZIUSEGSNTOUIPT-UHFFFAOYSA-N 0.000 description 1
- DCWQZPJHHVLHSV-UHFFFAOYSA-N CCOCCC#N Chemical compound CCOCCC#N DCWQZPJHHVLHSV-UHFFFAOYSA-N 0.000 description 1
- NJQMOOHWTMTWLP-UHFFFAOYSA-N CCOc(nccc1)c1C#N Chemical compound CCOc(nccc1)c1C#N NJQMOOHWTMTWLP-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
Claims (9)
- 하기 화학식 I 및 화학식 II로 표시되는 화합물들로 이루어진 군으로부터 선택된 적어도 하나 이상의 화합물을 포함하는 비수전해액 첨가제:
[화학식 1]
상기 화학식 I 에서,
R1은 적어도 하나의 니트릴기로 치환 또는 비치환된 탄소수 1 내지 5의 선형 또는 비선형 알킬렌기, 또는 적어도 하나의 니트릴기로 치환 또는 비치환된 탄소수 6 내지 8의 방향족기이고,
R2는 적어도 하나의 니트릴기로 치환 또는 비치환된 탄소수 1 내지 5의 선형 또는 비선형 알킬렌기, 적어도 하나의 니트릴기로 치환 또는 비치환된 탄소수 6 내지 8의 방향족기, 적어도 하나의 니트릴기로 치환 또는 비치환된 탄소수 6 내지 8의 헤테로 방향족기, 탄소수 2 내지 5의 선형 또는 비선형 알케닐기, 또는 -C(O)-R9-이고, R9는 적어도 하나의 니트릴기로 치환 또는 비치환된 탄소수 1 내지 3의 선형 또는 비선형 알킬렌기이고,
R3는 m=0인 경우에는 수소 또는 적어도 하나의 니트릴기로 치환 또는 비치환된 탄소수 1 내지 5의 선형 또는 비선형 알킬기이며, m=1인 경우에는 탄소수 1 내지 5의 선형 또는 비선형 알킬렌기이고,
R4는 탄소수 1 내지 3의 알킬렌기 또는 -R10-C(O)-이고, R10은 탄소수 1 내지 3의 알킬렌기이고,
n 및 m은 각각 독립적으로 0 또는 1의 정수이다.
[화학식 II]
상기 화학식 II에서,
R5는 수소 또는 적어도 하나의 니트릴기로 치환 또는 비치환된 탄소수 1 내지 5의 선형 또는 비선형 알킬기이고,
R6 내지 R8은 각각 독립적으로 탄소수 1 내지 5의 선형 또는 비선형 알킬렌기이다.
- 청구항 1에 있어서,
상기 비수전해액 첨가제는 하기 화학식 I-1 내지 화학식 I-39로 표시되는 화합물들로 이루어진 군으로부터 선택되는 적어도 하나 이상의 화합물을 포함하는 것인 비수전해액 첨가제:
(화학식 I-1)
(화학식 I-2)
(화학식 I-3)
(화학식 I-4)
(화학식 I-5)
(화학식 I-6)
(화학식 I-7)
(화학식 I-8)
(화학식 I-9)
(화학식 I-10)
(화학식 I-11)
(화학식 I-12)
(화학식 I-13)
(화학식 I-14)
(화학식 I-15)
(화학식 I-16)
(화학식 I-17)
(화학식 I-18)
(화학식 I-19)
(화학식 I-20)
(화학식 I-21)
(화학식 I-22)
(화학식 I-23)
(화학식 I-24)
(화학식 I-25)
(화학식 I-26)
(화학식 I-27)
(화학식 I-28)
(화학식 I-29)
(화학식 I-30)
(화학식 I-31)
(화학식 I-32)
(화학식 I-33)
(화학식 I-34)
(화학식 I-35)
(화학식 I-36)
(화학식 I-37)
(화학식 I-38)
(화학식 I-39)
- 이온화 가능한 리튬염; 유기용매; 및 비수전해액 첨가제를 포함하는 리튬 이차전지용 비수전해액으로서,
상기 비수전해액 첨가제는 하기 화학식 I 및 화학식 II로 표시되는 화합물들로 이루어진 군으로부터 선택되는 적어도 하나 이상의 화합물을 포함하는 것인 리튬 이차전지용 비수전해액:
[화학식 I]
상기 화학식 I 에서,
R1은 적어도 하나의 니트릴기로 치환 또는 비치환된 탄소수 1 내지 5의 선형 또는 비선형 알킬렌기, 또는 적어도 하나의 니트릴기로 치환 또는 비치환된 탄소수 6 내지 8의 방향족기이고,
R2는 적어도 하나의 니트릴기로 치환 또는 비치환된 탄소수 1 내지 5의 선형 또는 비선형 알킬렌기, 적어도 하나의 니트릴기로 치환 또는 비치환된 탄소수 6 내지 8의 방향족기, 적어도 하나의 니트릴기로 치환 또는 비치환된 탄소수 6 내지 8의 헤테로 방향족기, 탄소수 2 내지 5의 선형 또는 비선형 알케닐기, 또는 -C(O)-R9-이고, R9는 적어도 하나의 니트릴기로 치환 또는 비치환된 탄소수 1 내지 3의 선형 또는 비선형 알킬렌기이고,
R3는 m=0인 경우에는 수소 또는 적어도 하나의 니트릴기로 치환 또는 비치환된 탄소수 1 내지 5의 선형 또는 비선형 알킬기이며, m=1인 경우에는 탄소수 1 내지 5의 선형 또는 비선형 알킬렌기이고,
R4는 탄소수 1 내지 3의 알킬렌기 또는 -R10-C(O)-이고, R10은 탄소수 1 내지 3의 알킬렌기이고,
n 및 m은 각각 독립적으로 0 또는 1의 정수이다.
[화학식 II]
상기 화학식 II에서,
R5는 수소 또는 적어도 하나의 니트릴기로 치환 또는 비치환된 탄소수 1 내지 5의 선형 또는 비선형 알킬기이고,
R6 내지 R8은 각각 독립적으로 탄소수 1 내지 5의 선형 또는 비선형 알킬렌기이다.
- 청구항 4에 있어서,
상기 비수전해액 첨가제는 비수전해액 전체 함량을 기준으로 0.5 중량% 내지 5 중량%로 포함되는 것인 리튬 이차전지용 비수전해액.
- 청구항 5에 있어서,
상기 비수전해액 첨가제는 비수전해액 전체 함량을 기준으로 1 중량% 내지 5 중량%로 포함되는 것인 리튬 이차전지용 비수전해액.
- 청구항 4에 있어서,
상기 리튬염은 양이온으로 Li+를 포함하고,
음이온으로 F-, Cl-, Br-, I-, NO3 -, N(CN)2 -, BF4 -, ClO4 -, AlO4 -, AlCl4 -, PF6 -, SbF6 -, AsF6 -, BF2C2O4 -, BC4O8 -, (CF3)2PF4 -, (CF3)3PF3 -, (CF3)4PF2 -, (CF3)5PF-, (CF3)6P-, CF3SO3 -, C4F9SO3 -, CF3CF2SO3 -, (CF3SO2)2N-, (F2SO2)2N-, CF3CF2(CF3)2CO-, (CF3SO2)2CH-, CF3(CF2)7SO3 -, CF3CO2 -, CH3CO2 -, SCN- 및 (CF3CF2SO2)2N-로 이루어진 군으로부터 선택된 어느 하나를 포함하는 것인 리튬 이차전지용 비수전해액.
- 청구항 4에 있어서,
상기 유기용매는 에테르, 에스테르, 아미드, 선형 카보네이트 및 환형 카보네이트로 이루어진 군으로부터 선택된 적어도 하나 이상의 혼합물을 포함하는 것인 리튬 이차전지용 비수전해액.
- 음극, 양극, 상기 음극 및 양극 사이에 개재된 분리막, 및 비수 전해액을 구비하는 리튬 이차전지에 있어서,
상기 비수 전해액은 청구항 4 내지 청구항 8 중 어느 한 항의 리튬 이차전지용 비수 전해액을 포함하는 것인 리튬 이차전지.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP17770595.1A EP3300157B1 (en) | 2016-03-23 | 2017-03-21 | Non-aqueous electrolyte additive, non-aqueous electrolyte containing same for lithium secondary battery, and lithium secondary battery |
| CN201780002362.6A CN108886166B (zh) | 2016-03-23 | 2017-03-21 | 非水电解质添加剂、和包含该非水电解质添加剂的锂二次电池用非水电解质以及锂二次电池 |
| PCT/KR2017/003032 WO2017164625A2 (ko) | 2016-03-23 | 2017-03-21 | 비수전해액 첨가제, 이를 포함하는 리튬 이차전지용 비수전해액 및 리튬 이차전지 |
| US15/737,503 US10601069B2 (en) | 2016-03-23 | 2017-03-21 | Non-aqueous electrolyte additive, and non-aqueous electrolyte for lithium secondary battery comprising the same and lithium secondary battery |
| PL17770595T PL3300157T3 (pl) | 2016-03-23 | 2017-03-21 | Dodatek do niewodnego elektrolitu, niewodny elektrolit go zawierający dla akumulatora litowego i akumulator litowy |
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| KR1020160034809 | 2016-03-23 | ||
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| KR1020160049963 | 2016-04-25 | ||
| KR20160049963 | 2016-04-25 |
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| KR20170110521A true KR20170110521A (ko) | 2017-10-11 |
| KR102000100B1 KR102000100B1 (ko) | 2019-07-16 |
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| KR1020170034826A Active KR102000100B1 (ko) | 2016-03-23 | 2017-03-20 | 비수전해액 첨가제, 이를 포함하는 리튬 이차전지용 비수전해액 및 리튬 이차전지 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10601069B2 (ko) |
| EP (1) | EP3300157B1 (ko) |
| KR (1) | KR102000100B1 (ko) |
| CN (1) | CN108886166B (ko) |
| PL (1) | PL3300157T3 (ko) |
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| KR20190118964A (ko) * | 2018-04-11 | 2019-10-21 | 주식회사 엘지화학 | 리튬 이차전지용 비수전해액 및 이를 포함하는 리튬 이차전지 |
| KR20230022112A (ko) * | 2021-08-06 | 2023-02-14 | 주식회사 엘지에너지솔루션 | 비수 전해질용 첨가제를 포함하는 비수 전해질 및 이를 포함하는 리튬 이차전지 |
| KR20230049022A (ko) * | 2021-10-05 | 2023-04-12 | 주식회사 엘지에너지솔루션 | 리튬 이차전지용 비수 전해액 및 이를 포함하는 리튬 이차전지 |
| WO2023063648A1 (ko) * | 2021-10-12 | 2023-04-20 | 주식회사 엘지에너지솔루션 | 리튬 이차전지용 비수 전해액 및 이를 포함하는 리튬 이차전지 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108886166A (zh) | 2018-11-23 |
| EP3300157A2 (en) | 2018-03-28 |
| CN108886166B (zh) | 2021-09-24 |
| EP3300157A4 (en) | 2018-07-04 |
| EP3300157B1 (en) | 2019-10-16 |
| US10601069B2 (en) | 2020-03-24 |
| PL3300157T3 (pl) | 2020-02-28 |
| US20180198157A1 (en) | 2018-07-12 |
| KR102000100B1 (ko) | 2019-07-16 |
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