KR20100094790A - 리튬 이차 전지용 양극 및 이를 포함하는 리튬 이차 전지 - Google Patents
리튬 이차 전지용 양극 및 이를 포함하는 리튬 이차 전지 Download PDFInfo
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- KR20100094790A KR20100094790A KR1020090013942A KR20090013942A KR20100094790A KR 20100094790 A KR20100094790 A KR 20100094790A KR 1020090013942 A KR1020090013942 A KR 1020090013942A KR 20090013942 A KR20090013942 A KR 20090013942A KR 20100094790 A KR20100094790 A KR 20100094790A
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Abstract
Description
양극 활물질 종류 | 양극 활물질 (중량%) |
도전재 (중량%) |
바인더 (중량%) |
관통결과1) | 관통결과2) | 사이클 수명 특성(%) | |
비교예 1 | LCO | 95 | 3 | 2 | 5L1 | 5L1 | 94 |
비교예 2 | LCO | 94 | 3 | 3 | 5L1 | 5L1 | 91 |
비교예 3 | LCO | 93 | 3 | 4 | 5L1 | 5L1 | 90 |
비교예 4 | LCO | 92 | 3 | 5 | 5L1 | 5L1 | 81 |
비교예 5 | NCM | 93.7 | 3 | 3.3 | 2L1, 3L4 | 5L4 | 93 |
비교예 6 | NCM | 91.9 | 3 | 5.1 | 5L1 | 5L1 | 81 |
비교예 7 | NCM | 97.9 | 1 | 1.1 | 1L1, 4L4 | 5L4 | 92 |
비교예 8 | NCM | 97.3 | 1 | 1.7 | 5L1 | 5L1 | 79 |
실시예 1 | NCM | 93.4 | 3 | 3.6 | 5L1 | 2L1, 3L4 | 92 |
실시예 2 | NCM | 92.2 | 3 | 4.8 | 5L1 | 5L1 | 91 |
실시예 3 | NCM | 92.8 | 3 | 4.2 | 5L1 | 5L1 | 91 |
실시예 4 | NCM | 97.8 | 1 | 1.2 | 5L1 | 1L1, 4L4 | 93 |
실시예 5 | NCM | 97.4 | 1 | 1.6 | 5L1 | 5L1 | 91 |
실시예 6 | NCM | 97.6 | 1 | 1.4 | 5L1 | 5L1 | 92 |
Claims (7)
- 니켈계 양극 활물질'바인더; 및도전재를 포함하며,상기 바인더의 함량은 상기 도전재 100 중량부에 대하여 120 내지 160 중량부인리튬 이차 전지용 양극.
- 제1항에 있어서,상기 바인더의 함량은 상기 도전재 100 중량부에 대하여 140 내지 160 중량부인 리튬 이차 전지용 양극.
- 제1항에 있어서,상기 도전재의 함량은 상기 양극 활물질, 도전재 및 바인더의 전체 중량에 대하여 1 내지 3 중량%인 리튬 이차 전지용 양극.
- 제1항에 있어서,상기 양극 활물질은 하기 화학식 1로 표현되는 것인 리튬 이차 전지용 양극.[화학식 1]LixMyO2-z(상기 식에서, M은 M'1-kAk이고, M'은 Ni1-a-b(Ni1/2Mn1/2)aCob이고, 0.65 ≤ a + b ≤ 0.85 및 0.1 ≤ b ≤ 0.4이고,A는 도펀트이고,0 ≤ k < 0.05이고,0.95 ≤ x ≤ 1.05이고,x + y ≒ 2이고,0 ≤ z ≤ 0.05임)
- 제1항에 있어서,상기 바인더는 폴리비닐리덴 플루오라이드인 리튬 이차 전지용 양극.
- 제1항에 있어서,상기 도전재는 탄소계 물질, 금속계 물질, 도전성 폴리머 및 이들의 혼합물로 이루어진 군으로부터 선택되는 것인 리튬 이차 전지용 양극.
- 제1항 내지 제6항 중 어느 한 항에 따른 양극;음극 활물질을 포함하는 음극; 및비수 전해질을 포함하는 리튬 이차 전지.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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KR1020090013942A KR101073013B1 (ko) | 2009-02-19 | 2009-02-19 | 리튬 이차 전지용 양극 및 이를 포함하는 리튬 이차 전지 |
US12/650,910 US20100209770A1 (en) | 2009-02-19 | 2009-12-31 | Positive electrode for rechargeable lithium battery and rechargeable lithium battery including same |
EP10250272.1A EP2221903B1 (en) | 2009-02-19 | 2010-02-17 | Positive electrode for rechargeable lithium battery and rechargeable lithium battery including same |
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KR1020090013942A KR101073013B1 (ko) | 2009-02-19 | 2009-02-19 | 리튬 이차 전지용 양극 및 이를 포함하는 리튬 이차 전지 |
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KR20100094790A true KR20100094790A (ko) | 2010-08-27 |
KR101073013B1 KR101073013B1 (ko) | 2011-10-12 |
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KR1020090013942A KR101073013B1 (ko) | 2009-02-19 | 2009-02-19 | 리튬 이차 전지용 양극 및 이를 포함하는 리튬 이차 전지 |
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US (1) | US20100209770A1 (ko) |
EP (1) | EP2221903B1 (ko) |
KR (1) | KR101073013B1 (ko) |
Cited By (3)
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CN111952566A (zh) * | 2020-08-18 | 2020-11-17 | 光鼎铷业(广州)集团有限公司 | 一种铷掺杂的高倍率锂电池正极材料及其制备方法 |
US11094961B2 (en) | 2017-11-09 | 2021-08-17 | Lg Chem, Ltd. | Multi-layered electrode for rechargeable battery including binder having high crystallinity |
US11728507B2 (en) | 2017-11-09 | 2023-08-15 | Lg Energy Solution, Ltd. | Multi-layered electrode for rechargeable battery including binder having high crystallinity |
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KR101117695B1 (ko) | 2009-10-30 | 2012-03-02 | 삼성에스디아이 주식회사 | 리튬 전지용 전해액, 이를 포함한 리튬 전지 및 상기 리튬 전지의 작동 방법 |
US9209458B2 (en) * | 2010-02-10 | 2015-12-08 | Alevo Research Ag | Rechargeable electrochemical battery cell |
WO2013168786A1 (ja) * | 2012-05-11 | 2013-11-14 | 国立大学法人鳥取大学 | リチウムイオン二次電池用負極 |
CN104681808B (zh) * | 2015-02-11 | 2017-05-10 | 柳州惠林科技有限责任公司 | 一种锶盐掺杂镍锰酸锂的锂离子电池正极材料制备方法 |
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US11411246B2 (en) * | 2018-12-06 | 2022-08-09 | Samsung Electronics Co., Ltd. | All-solid secondary battery and method of manufacturing all-solid secondary battery |
CN111293306B (zh) * | 2020-02-21 | 2022-05-03 | 电子科技大学 | 一种钡-镓双元掺杂的钴酸锂正极材料及其制备方法 |
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KR100567111B1 (ko) * | 2001-10-29 | 2006-03-31 | 마쯔시다덴기산교 가부시키가이샤 | 리튬이온 이차전지 |
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JP2008300302A (ja) * | 2007-06-04 | 2008-12-11 | Panasonic Corp | 非水電解質二次電池及び非水電解質二次電池用正極の製造方法 |
JP2009059572A (ja) * | 2007-08-31 | 2009-03-19 | Panasonic Corp | 非水電解質二次電池 |
EP2207227A1 (en) * | 2007-11-06 | 2010-07-14 | Panasonic Corporation | Positive electrode active material for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery comprising the same |
KR101135491B1 (ko) * | 2009-02-13 | 2012-04-13 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 양극 및 이를 포함하는 리튬 이차 전지 |
-
2009
- 2009-02-19 KR KR1020090013942A patent/KR101073013B1/ko active IP Right Grant
- 2009-12-31 US US12/650,910 patent/US20100209770A1/en not_active Abandoned
-
2010
- 2010-02-17 EP EP10250272.1A patent/EP2221903B1/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11094961B2 (en) | 2017-11-09 | 2021-08-17 | Lg Chem, Ltd. | Multi-layered electrode for rechargeable battery including binder having high crystallinity |
US11728507B2 (en) | 2017-11-09 | 2023-08-15 | Lg Energy Solution, Ltd. | Multi-layered electrode for rechargeable battery including binder having high crystallinity |
CN111952566A (zh) * | 2020-08-18 | 2020-11-17 | 光鼎铷业(广州)集团有限公司 | 一种铷掺杂的高倍率锂电池正极材料及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2221903B1 (en) | 2015-04-01 |
KR101073013B1 (ko) | 2011-10-12 |
US20100209770A1 (en) | 2010-08-19 |
EP2221903A2 (en) | 2010-08-25 |
EP2221903A3 (en) | 2011-03-16 |
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