KR20050096191A - 리튬 함유 복합 산화물 및 이것을 이용한 비수 2차 전지,및 그 제조 방법 - Google Patents
리튬 함유 복합 산화물 및 이것을 이용한 비수 2차 전지,및 그 제조 방법 Download PDFInfo
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Abstract
Description
Claims (15)
- 층상의 결정구조를 갖는 리튬 함유 복합 산화물을 포함하는 양극 활물질로서, 상기 리튬 함유 복합 산화물이 일반식 Li1+x+αNi(1-x-y+δ)/2Mn(1-x-y-δ)/2MyO2 [단, 0 ≤x ≤0.05, -0.05 ≤x+α≤0.05이며, M은 Ti, Cr, Fe, Co, Cu, Zn, Al, Ge 및 Sn으로 이루어지는 그룹으로부터 선택되는 1종 이상의 원소이고, y 및 δ는, 각각 0 < y ≤0.2 이고, - 0.1 ≤δ≤0.1 이거나, 또는 0.2 < y ≤0.4 이고, -0.24 ≤δ≤0.24 이다]로 표시되는 조성을 가지고, 상기 Mn의 평균 원자가가 3.3 ~ 4가인 것을 특징으로 하는 양극 활물질.
- 제1항에 있어서, 상기 리튬 함유 복합 산화물에 포함되는 Ni와 Mn의 몰비가 1:1인 양극 활물질.
- 제1항 또는 제2항에 있어서, 상기 리튬 함유 복합 산화물의 진밀도가 4.55 ~ 4.95 g/㎤ 인 것을 특징으로 하는 양극 활물질.
- 제1항에 있어서, 상기 일반식에 있어서 y>0.2인 것을 특징으로 하는 양극 활물질.
- 제4항에 있어서, 상기 리튬 함유 복합 산화물에 포함되는 Ni와 Mn과 원소 M의 몰비가 1:1:1인 양극 활물질.
- 제1항, 제2항, 제4항 또는 제5항에 있어서, 상기 리튬 함유 복합 산화물과 상이한 다른 활물질을 더욱 포함하는 것을 특징으로 하는 양극 활물질.
- 제6항에 있어서, 상기 다른 활물질로서 리튬 함유 코발트 산화물을 포함하는 것을 특징으로 하는 양극 활물질.
- 제1항, 제2항, 제4항 또는 제5항에 있어서, 상기 리튬 함유 복합 산화물에 포함되는 Mn의 평균 원자가가 4가인 것을 특징으로 하는 양극 활물질.
- 제1항, 제2항, 제4항 또는 제5항에 있어서, 상기 리튬 함유 복합 산화물에 포함되는 Ni의 평균 원자가가 2가인 것을 특징으로 하는 양극 활물질.
- 층상의 결정구조를 갖는 리튬 함유 복합 산화물과, 상기 리튬 함유 복합 산화물과 상이한 활물질을 포함하는 양극 활물질로서, 상기 리튬 함유 복합 산화물이, 일반식 Li1+x+αNi(1-x-y+δ)/2Mn(1-x-y-δ)/2MyO2[단, 0 ≤x ≤0.05, -0.05 ≤x+α≤0.05이고, M은 Ti, Cr, Fe, Co, Cu, Zn, Al, Ge 및 Sn으로 이루어지는 그룹으로부터 선택되는 1종 이상의 원소이고, y 및 δ는 각각 0 ≤y ≤0.2 이고, - 0.1 ≤δ≤0.1 이거나, 또는 0.2 < y ≤0.4 이고, -0.24 ≤δ≤0.24 이다]로 표시되는 조성을 가지고, 상기 리튬 함유 복합 산화물과 상이한 활물질이 리튬 함유 코발트 산화물인 것을 특징으로 하는 양극 활물질.
- 제10항에 있어서, 상기 리튬 함유 복합 산화물이 Li1+αNi1/3Mn1/3CO1/3O2 [단, -0.05 ≤α≤0.05] 인 것을 특징으로 하는 양극 활물질.
- 제10항 또는 제11항에 있어서, 상기 리튬 함유 코발트 산화물의 비율이 양극 활물질 전체의 50 질량% 이하인 양극 활물질.
- 제1항, 제2항, 제4항 또는 제5항에 기재된 양극 활물질을 포함하는 양극, 음극 및 비수 전해질을 구비한 비수 2차 전지.
- 제6항 기재의 양극 활물질을 포함하는 양극, 음극 및 비수 전해질을 구비한 비수 2차 전지.
- 제10항 또는 제11항 기재의 양극 활물질을 포함하는 양극, 음극 및 비수 전해질을 구비한 비수 2차 전지.
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JP2000350307 | 2000-11-16 | ||
JPJP-P-2000-00350307 | 2000-11-16 | ||
JP2001282767 | 2001-09-18 | ||
JPJP-P-2001-00282767 | 2001-09-18 |
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KR1020057015678A KR100628797B1 (ko) | 2000-11-16 | 2001-11-14 | 리튬 함유 복합 산화물을 포함하는 양극 활물질 |
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US (3) | US7351500B2 (ko) |
EP (1) | EP1295851A4 (ko) |
JP (1) | JP4137635B2 (ko) |
KR (2) | KR100632979B1 (ko) |
CN (3) | CN100400425C (ko) |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007129854A1 (en) * | 2006-05-10 | 2007-11-15 | Lg Chem, Ltd. | Method of preparing material for lithium secondary battery of high performance |
US7939049B2 (en) | 2005-04-13 | 2011-05-10 | Lg Chem, Ltd. | Cathode material containing Ni-based lithium transition metal oxide |
US8426066B2 (en) | 2005-04-13 | 2013-04-23 | Lg Chem, Ltd. | Material for lithium secondary battery of high performance |
US8450013B2 (en) | 2005-04-13 | 2013-05-28 | Lg Chem, Ltd. | Material for lithium secondary battery of high performance |
US8540961B2 (en) | 2005-04-13 | 2013-09-24 | Lg Chem, Ltd. | Method of preparing material for lithium secondary battery of high performance |
Families Citing this family (110)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1296391A4 (en) * | 2001-03-22 | 2006-06-28 | Matsushita Electric Ind Co Ltd | POSITIVE ELECTRODE ACTIVE MATERIAL AND NON-AQUEOUS ELECTROLYTE BATTERY CONTAINING THE MATERIAL |
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- 2001-11-14 US US10/181,163 patent/US7351500B2/en not_active Expired - Lifetime
- 2001-11-14 AU AU2002214289A patent/AU2002214289A1/en not_active Abandoned
- 2001-11-14 KR KR1020027009058A patent/KR100632979B1/ko active IP Right Grant
- 2001-11-14 CN CNB018066003A patent/CN100400425C/zh not_active Expired - Lifetime
- 2001-11-14 KR KR1020057015678A patent/KR100628797B1/ko active IP Right Grant
- 2001-11-14 CN CN2010102234655A patent/CN101887972B/zh not_active Expired - Lifetime
- 2001-11-14 WO PCT/JP2001/009967 patent/WO2002040404A1/ja not_active Application Discontinuation
- 2001-11-14 JP JP2002542738A patent/JP4137635B2/ja not_active Expired - Lifetime
- 2001-11-14 EP EP01982785A patent/EP1295851A4/en not_active Ceased
- 2001-11-14 CN CN2005100859891A patent/CN1741308B/zh not_active Expired - Lifetime
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2005
- 2005-07-28 US US11/191,742 patent/US7341805B2/en not_active Expired - Lifetime
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US8540961B2 (en) | 2005-04-13 | 2013-09-24 | Lg Chem, Ltd. | Method of preparing material for lithium secondary battery of high performance |
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US7939049B2 (en) | 2005-04-13 | 2011-05-10 | Lg Chem, Ltd. | Cathode material containing Ni-based lithium transition metal oxide |
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Also Published As
Publication number | Publication date |
---|---|
CN1741308A (zh) | 2006-03-01 |
KR100632979B1 (ko) | 2006-10-11 |
CN1418174A (zh) | 2003-05-14 |
US7341805B2 (en) | 2008-03-11 |
CN100400425C (zh) | 2008-07-09 |
CN101887972A (zh) | 2010-11-17 |
US8801960B2 (en) | 2014-08-12 |
AU2002214289A1 (en) | 2002-05-27 |
US20030082452A1 (en) | 2003-05-01 |
KR20020092936A (ko) | 2002-12-12 |
US7351500B2 (en) | 2008-04-01 |
JPWO2002040404A1 (ja) | 2004-03-25 |
US20080121841A1 (en) | 2008-05-29 |
EP1295851A4 (en) | 2008-08-20 |
US20050260496A1 (en) | 2005-11-24 |
EP1295851A1 (en) | 2003-03-26 |
CN101887972B (zh) | 2012-07-04 |
JP4137635B2 (ja) | 2008-08-20 |
CN1741308B (zh) | 2012-06-27 |
WO2002040404A1 (fr) | 2002-05-23 |
KR100628797B1 (ko) | 2006-09-26 |
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