KR20100121578A - 비수성 전해액 및 리튬 전지 - Google Patents
비수성 전해액 및 리튬 전지 Download PDFInfo
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Abstract
Description
실시예 | 니트릴 화합물 (중량%) |
초기 방전 용량 (상대값) |
방전 용량 유지율 (%) |
A-1 | 아디포니트릴(0.01) | 1.00 | 86.2 |
A-2 | 아디포니트릴(0.05) | 0.99 | 87.9 |
A-3 | 아디포니트릴(0.1) | 1.01 | 89.0 |
A-4 | 아디포니트릴(0.2) | 1.02 | 89.2 |
A-5 | 아디포니트릴(0.5) | 0.99 | 88.8 |
A-6 | 아디포니트릴(1) | 0.98 | 85.6 |
A-7 | 글루타로니트릴(0.2) | 1.00 | 88.9 |
비교예 | |||
A-1 | 없음 | 1 | 82.6 |
A-2 | 아디포니트릴(13) | 0.95 | 72.3 |
A-3 | [글루타로니트릴(19)] | 1.01 | 64.7 |
A-4 | 프로피오니트릴(0.2) | 0.96 | 82.4 |
참조 : 비교예 A-3 은 글루타로니트릴/메틸 카르보네이트(19:81, 부피비) 및 1 몰/L LiPF6 를 이용한다. |
실시예 | 니트릴 화합물 (중량%) |
초기 방전 용량 (상대값) |
방전 용량 유지율 (%) |
A-8 | 아디포니트릴(0.2) | 0.96 | 70.1 |
A-9 | 아디포니트릴(0.2) | 0.98 | 67.3 |
비교예 | |||
A-5 | 없음 | 0.97 | 61.4 |
A-6 | 없음 | 1.00 | 59.5 |
참조 : 실시예 A-8 및 비교예 A-5 는 EC/GBL(3:7) 용매를 이용하고, 실시예 A-9 및 비교예 A-6 은 GBL 용매를 사용한다. |
실시예 | 니트릴 화합물 (중량%) |
방전 용량 (상대값) |
고온 자기 방전율 (%) |
B-1 | 아디포니트릴(0.2) | 1.04 | 6.2 |
비교예 | |||
B-1 | 없음 | 1 | 10.5 |
B-2 | 아디포니트릴(13) | 0.92 | 22.8 |
실시예 | 전해액 니트를 화합물(중량%) SO2 함유 화합물(중량%) |
초기 방전 용량 (상대값) |
방전 용량 유지율 (%) |
C-1 |
EC/VC/MEC 중 1M LiPF6 1,4-디시아노벤젠(2) 에틸렌 술파이트(2) |
1.00 |
88.9 |
C-2 |
EC/VC/MEC 중 1M LiPF6 아디포니트릴(2) 에틸렌 술파이트(2) |
1.00 |
90.2 |
C-3 |
EC/VC/MEC 중 0.9M LiPF6 + 0.1M LiN(SO2CF3)2 아디포니트릴(2) 에틸렌 술파이트(2) |
1.00 |
89.4 |
C-4 |
EC/VC/MEC 중 0.9M LiPF6 + 0.1M LiBF4 아디포니트릴(2) 에틸렌 술파이트(2) |
1.00 |
89.7 |
C-5 |
EC/VC/MEC 중 1M LiPF6 아디포니트릴(2) 1,3-프로판술톤(2) |
1.00 |
89.8 |
C-6 |
EC/VC/MEC 중 1M LiPF6 아디포니트릴(2) 디비닐술폰(0.3) |
1.00 |
89.4 |
C-7 |
EC/VC/MEC 중 1M LiPF6 아디포니트릴(2) 프로파르길 메탄술포네이트(0.5) |
1.00 |
89.3 |
C-8 |
EC/VC/MEC 중 1M LiPF6 프로피오니트릴(2) 에틸렌 술파이트(2) |
1.00 |
88.2 |
비교예 | |||
C-1 |
EC/VC/MEC 중 1M LiPF6 없음 없음 |
1.00 |
83.7 |
C-2 |
EC/VC/MEC 중 1M LiPF6 없음 에틸렌 술파이트(2) |
1.00 |
84.2 |
Claims (7)
- 적어도 비닐 카르보네이트를 포함하는 고리형 카르보네이트를 함유하는 비수성 용매 및 전해질을 포함하고, 추가로 0.01 내지 3 중량% 의 디니트릴 화합물을 함유하는 리튬 전지를 위한 비수성 전해액.
- 제 1 항에 있어서, 디니트릴 화합물을 0.01 내지 2 중량% 로 함유하는 비수성 전해액.
- 제 1 항에 있어서, 디니트릴 화합물이 숙시노니트릴, 글루타로니트릴, 아디포니트릴, 1,5-디시아노펜탄, 1,6-디시아노헥산, 1,7-디시아노헵탄, 1,8-디시아노옥탄, 1,9-디시아노노난, 1,10-디시아노데칸, 1,12-디시아노도데칸, 테트라메틸숙시노니트릴, 2-메틸글루타시아노펜탄, 2,5-디메틸-2,5-헥산디카르보니트릴, 2,6-디시아노헵탄, 2,7-디시아노옥탄, 2,8-디시아노노난, 1,6-디시아노데칸, 1,2-디시아노벤젠, 1,3-디시아노벤젠, 또는 1,4-디시아노벤젠인 비수성 전해액.
- 제 1 항에 있어서, 비수성 용매가 선형 카르보네이트를 추가로 함유하는 비수성 전해액.
- 제 1 항에 있어서, 비수성 용매가 메틸 에틸 카르보네이트를 추가로 함유하는 비수성 전해액.
- 제 1 항에 있어서, 비수성 용매가 고리형 카르보네이트 및 선형 카르보네이트를 1:9 내지 9:1 의 부피비로 함유하는 비수성 전해액.
- 양극, 격자 표면 (002) 의 격자 거리가 0.34 nm 이하인 흑연 결정 구조의 탄소함유 물질을 포함하는 음극 및 제 1 항 내지 제 6 항 중 어느 한 항의 비수성 전해액을 포함하는 리튬 전지.
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- 2003-07-15 KR KR1020030048222A patent/KR101111365B1/ko not_active Expired - Lifetime
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Also Published As
Publication number | Publication date |
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KR20110093743A (ko) | 2011-08-18 |
US20190081356A1 (en) | 2019-03-14 |
JP2009266825A (ja) | 2009-11-12 |
US20080057402A1 (en) | 2008-03-06 |
KR20120034695A (ko) | 2012-04-12 |
JP5168317B2 (ja) | 2013-03-21 |
US20040013946A1 (en) | 2004-01-22 |
JP2013080716A (ja) | 2013-05-02 |
JP5645144B2 (ja) | 2014-12-24 |
JP2014150070A (ja) | 2014-08-21 |
KR20040010189A (ko) | 2004-01-31 |
US20170317386A1 (en) | 2017-11-02 |
US20180198165A1 (en) | 2018-07-12 |
KR101111365B1 (ko) | 2012-03-09 |
CN1487621A (zh) | 2004-04-07 |
CN100585935C (zh) | 2010-01-27 |
US20170104238A1 (en) | 2017-04-13 |
JP2013051207A (ja) | 2013-03-14 |
JP2010205742A (ja) | 2010-09-16 |
US20170309962A1 (en) | 2017-10-26 |
KR101183853B1 (ko) | 2012-09-18 |
US9742033B2 (en) | 2017-08-22 |
US10050307B2 (en) | 2018-08-14 |
US20140227612A1 (en) | 2014-08-14 |
KR101273853B1 (ko) | 2013-06-11 |
KR101092280B1 (ko) | 2011-12-13 |
US20170104239A1 (en) | 2017-04-13 |
JP5440909B2 (ja) | 2014-03-12 |
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