KR102242592B1 - 리튬이온 배터리 비수전해액 및 리튬이온 배터리 - Google Patents
리튬이온 배터리 비수전해액 및 리튬이온 배터리 Download PDFInfo
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Abstract
상기 구조식 I에서 R1, R2, R3은 각각 독립적으로 C1-C5의 알킬(alkyl) 또는 할로겐화 알킬(halogenated alkyl), C2-C5의 불포화 하이드로카르빌(hydrocarbyl) 또는 불포화 할로겐화 하이드로카르빌(halogenated hydrocarbyl)에서 선택되고, R1, R2, R3 중 적어도 하나는 상기 불포화 하이드로카르빌 또는 불포화 할로겐화 하이드로카르빌이다. 상기 구조식 II에서 R4, R5, R6, R7, R8, R9는 각각 독립적으로 수소 원자, 할로겐 원자 또는 C1-C5그룹 중의 하나에서 선택된다. 본 발명에서 제공하는 리튬이온 배터리 비수전해액은 화합물 A와 화합물 B의 협동작용(cooperative effect)을 통해 배터리에 우수한 순환 성능과 고온 저장 성능을 부여한다.
Description
Claims (10)
- 하기 구조식 I로 표시되는 화합물 A와 구조식 II로 표시되는 화합물 B를 포함하되,
상기 구조식 I에서 R1, R2 및 R3이 트리프로파길 포스페이트(tripropargyl phosphate), 디프로파길 메틸 포스페이트(dipropargyl methyl phosphate), 디프로파길 에틸 포스페이트(dipropargyl ethyl phosphate), 디프로파길 프로필 포스페이트(dipropargyl propyl phosphate), 디프로파길 트리플루오로메틸 포스페이트(dipropargyl trifluoromethyl phosphate), 디프로파길 2,2,2-트리플루오로에틸 포스페이트(dipropargyl 2, 2,2-Trifluoroethyl phosphate), 디프로파길 3,3,3-트리플루오로프로필 포스페이트(dipropargyl 3,3,3-trifluoropropyl phosphate), 디프로파길 헥사플루오로이소프로필 포스페이트(dipropargyl hexafluoroisopropyl phosphate), 트리알릴 포스페이트(triallyl phosphate), 디알릴 메틸 포스페이트(diallyl methyl phosphate), 디알릴 에틸 포스페이트(diallyl ethyl phosphate), 디알릴 프로필 포스페이트(diallyl propyl phosphate), 디알릴 트리플루오로메틸 포스페이트(diallyl trifluoromethyl phosphate), 디알릴 2,2,2-트리플루오로에틸 포스페이트(diallyl 2,2,2-trifluoroethyl phosphate), 디알릴 3,3,3-트리플루오로프로필 포스페이트(diallyl 3,3,3-trifluoropropyl phosphate) 또는 디알릴 헥사플루오로이소프로필 포스페이트(diallyl hexafluoroisopropyl phosphate)으로 이루어진 군에서 선택되는 적어도 하나의 화합물 A를 생성시키도록 정의되고;
상기 구조식 II에서 R4, R5, R6, R7, R8, R9는 각각 독립적으로 수소 원자, 할로겐 원자 또는 C1-C5그룹 중의 하나에서 선택되는 것을 특징으로 하는 리튬이온 배터리 비수전해액. - 제1항에 있어서,
상기 C1-C5그룹은 하이드로카르빌, 할로겐화 하이드로카르빌, 산소 함유 하이드로카르빌, 규소 함유 하이드로카르빌, 시아노(cyano) 치환의 하이드로카르빌에서 선택되는 것을 특징으로 하는 리튬이온 배터리 비수전해액. - 제1항에 있어서,
상기 R4, R5, R6, R7, R8, R9는 각각 독립적으로 수소 원자, 불소 원자, 메틸, 에틸, 메톡시, 에톡시, 트리메틸실록시(trimethylsiloxy), 시아노, 또는 트리플루오로메틸(trifluoromethyl)에서 선택되는 것을 특징으로 하는 리튬이온 배터리 비수전해액. - 제1항에 있어서,
상기 리튬이온 배터리 비수전해액의 총 질량을 100%로 계산할 때, 상기 화합물 B의 질량백분율 함량은 0.1 내지 5%인 것을 특징으로 하는 리튬이온 배터리 비수전해액. - 삭제
- 삭제
- 제1항 내지 제5항 중 어느 한 항에 있어서,
상기 리튬이온 배터리 비수전해액의 총 질량을 100%로 계산할 때 상기 화합물 A의 질량백분율 함량은 0% 초과 및 2% 미만인 것을 특징으로 하는 리튬이온 배터리 비수전해액. - 양극, 음극, 상기 양극과 상기 음극 사이에 설치되는 분리막, 및 전해액을 포함하되, 상기 전해액은 제1항 내지 제5항 중 어느 한 항의 리튬이온 배터리 비수전해액인 것을 특징으로 하는 리튬이온 배터리.
- 제9항에 있어서,
상기 양극은 양극 활성 물질을 포함하고, 상기 양극의 활성 물질은 LiNixCoyMnzL(1-x-y-z)O2, LiCox'L(1-x')O2, LiNix''L'y'Mn(2-x''-y')O4, Liz'MPO4로 이루어진 군에서 선택된 적어도 하나이고, 여기에서, L은 Al, Sr, Mg, Ti, Ca, Zr, Zn, Si 또는 Fe로 이루어진 군에서 선택된 적어도 하나이고, 0≤x≤1, 0≤y≤1, 0≤z≤1, 0<x+y+z≤1, 0<x'≤1, 0.3≤x''≤0.6, 0.01≤y'≤0.2이고, L'은 Co, Al, Sr, Mg, Ti, Ca, Zr, Zn, Si, Fe로 이루어진 군에서 선택된 적어도 하나이고; 0.5≤z'≤1이고, M은 Fe, Mn, Co로 이루어진 군에서 선택된 적어도 하나인 것을 특징으로 하는 리튬이온 배터리.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710297453.9A CN108808066B (zh) | 2017-04-28 | 2017-04-28 | 锂离子电池非水电解液和锂离子电池 |
| CN201710297453.9 | 2017-04-28 | ||
| PCT/CN2017/089734 WO2018196146A1 (zh) | 2017-04-28 | 2017-06-23 | 锂离子电池非水电解液和锂离子电池 |
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| KR20190110591A KR20190110591A (ko) | 2019-09-30 |
| KR102242592B1 true KR102242592B1 (ko) | 2021-04-22 |
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| US (2) | US11302956B2 (ko) |
| EP (1) | EP3618165B1 (ko) |
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| HU (1) | HUE053420T2 (ko) |
| PL (1) | PL3618165T3 (ko) |
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| CN108808066B (zh) * | 2017-04-28 | 2020-04-21 | 深圳新宙邦科技股份有限公司 | 锂离子电池非水电解液和锂离子电池 |
| CN108933292B (zh) * | 2017-05-27 | 2020-04-21 | 深圳新宙邦科技股份有限公司 | 锂离子电池非水电解液和锂离子电池 |
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- 2017-06-23 JP JP2019551516A patent/JP6866498B2/ja active Active
- 2017-06-23 HU HUE17907413A patent/HUE053420T2/hu unknown
- 2017-06-23 KR KR1020197024644A patent/KR102242592B1/ko active Active
- 2017-06-23 WO PCT/CN2017/089734 patent/WO2018196146A1/zh not_active Ceased
- 2017-06-23 EP EP17907413.3A patent/EP3618165B1/en active Active
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| JP2000260467A (ja) * | 1999-03-08 | 2000-09-22 | Sanyo Chem Ind Ltd | 非水電解液およびそれを用いた二次電池 |
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|---|---|
| US11876169B2 (en) | 2024-01-16 |
| US20220059868A1 (en) | 2022-02-24 |
| CN108808066B (zh) | 2020-04-21 |
| JP2020511760A (ja) | 2020-04-16 |
| US11302956B2 (en) | 2022-04-12 |
| EP3618165B1 (en) | 2020-10-14 |
| WO2018196146A1 (zh) | 2018-11-01 |
| EP3618165A1 (en) | 2020-03-04 |
| HUE053420T2 (hu) | 2021-07-28 |
| EP3618165A4 (en) | 2020-04-15 |
| CN108808066A (zh) | 2018-11-13 |
| PL3618165T3 (pl) | 2021-04-19 |
| JP6866498B2 (ja) | 2021-04-28 |
| US20200020972A1 (en) | 2020-01-16 |
| KR20190110591A (ko) | 2019-09-30 |
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