KR100767614B1 - 리튬 이온 전지 및 리튬 이온 폴리머 전지의 정극으로서의 니켈 풍부 및 망간 풍부 4원 금속 산화물 재료 - Google Patents
리튬 이온 전지 및 리튬 이온 폴리머 전지의 정극으로서의 니켈 풍부 및 망간 풍부 4원 금속 산화물 재료 Download PDFInfo
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Abstract
Description
형성된 용액으로부터 4개의 상이한 금속의 균질한 혼합물을 침전시키는 단계(b),
형성된 4개의 상이한 금속의 균질한 침전 혼합물에 리튬을 첨가하는 단계(c) 및
형성된 리튬과 4개의 상이한 금속과의 혼합물을 산소의 존재하에 소성시켜 4개의 상이한 금속의 리튬화된 복합 산화물을 형성시키는 단계(d)를 포함하는 신규한 정극 활물질 제조방법에 관한 것이다.
Mn 풍부 정극재료의 조성 및 시험 데이타 | ||||
샘플 번호 | 조성 (Mn:Ni:Co:Al) | 활물질의 중량 (mg) | 방전용량; 제1차 사이클 (mAh/g) | 방전용량; 제4차 사이클 (mAh/g) |
1 | 70:25:2.5:2.5 | 27.3 | 222.6 | 254.9 |
2 | 70:20:5:5 | 26.1 | 228.0 | 266.0 |
3 | 70:10:10:10 | 27.3 | 184.5 | 234.0 |
4 | 70:2.5:25:2.5 | 27.9 | 115.1 | 186.2 |
5 | 70:5:20:5 | 27.3 | 156.6 | 216.0 |
6 | 70:2.5:2.5:50 | 27.3 | 40.7 | 67.1 |
7 | 70:5:5:20 | 29.1 | 64.3 | 93.9 |
8 | 80:10:5:5 | 27.9 | 156.0 | 227.8 |
Claims (70)
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- Ba, Mg, Ca, Sc, Ti, V, Cr, Mn, Fe, Ni, Co, Cu, Zn, Al, B, Si, Ga, Ge, As, Zr, Hf, Mo, W, Re, Ru, Rh, Pt, Ag, Os, Ir, Au, Sn 및 란탄족으로 이루어진 그룹으로부터 선택된 4개의 상이한 금속의 염들을 액체 용매 속에서 혼합하여 용액을 형성(여기서, 4개의 상이한 금속 중 하나는 Mn이고, Mn은 4개의 상이한 금속의 양의 합의 70mol% 이상의 양으로 존재함)하는 단계(a),형성된 용액으로부터 4개의 상이한 금속의 균질한 혼합물을 침전시키는 단계(b),형성된 4개의 상이한 금속의 균질한 침전 혼합물에 리튬을 첨가하는 단계(c) 및형성된 리튬과 4개의 상이한 금속과의 혼합물을 산소의 존재하에 소성시켜 4개의 상이한 금속의 리튬화된 복합 산화물을 형성시키는 단계(d)를 포함하는,정극 활물질의 제조방법.
- 제8항에 있어서, 리튬화된 복합 산화물이 단상을 포함하는, 정극 활물질의 제조방법.
- 제8항 또는 제9항에 있어서, 4개의 상이한 금속이 Ti, V, Cr, Mn, Fe, Ni, Co, Cu, Zn, Al, Ga, Zr, Hf, Mg, Ca 및 Sn으로 이루어진 그룹으로부터 선택되고, 염으로서 제공되는, 정극 활물질의 제조방법.
- 제10항에 있어서, 4개의 상이한 금속이 망간, 니켈, 코발트 및 알루미늄인, 정극 활물질의 제조방법.
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- 제10항에 있어서, 액체 용매가 물이고, 염이 질산염, 황산염, 인산염 또는 할로겐화물이고, 4개의 상이한 금속염 중 하나 이상이 최저 산화상태의 금속을 포함하는, 정극 활물질의 제조방법.
- 제8항에 있어서, 4개의 상이한 금속염 중 2개 이상이 최저 산화상태의 금속을 포함하는, 정극 활물질의 제조방법.
- 제14항에 있어서, 4개의 상이한 금속염 각각이 최저 산화상태의 금속을 포함하는, 정극 활물질의 제조방법.
- 제8항에 있어서, 형성된 용액으로부터 4개의 상이한 금속의 균질한 혼합물을 침전시키는 단계(b)가 용액에 금속 수산화물을 첨가하는 것을 포함하는, 정극 활물질의 제조방법.
- 제16항에 있어서. 금속 수산화물이 수산화리튬 및 수산화나트륨으로 이루어진 그룹으로부터 선택되는, 정극 활물질의 제조방법.
- 제17항에 있어서, 4개의 상이한 금속의 침전된 혼합물로부터 질산리튬을 제거하는 단계가 단계(b)와 단계(c) 사이에 추가되는, 정극 활물질의 제조방법.
- 제18항에 있어서, 단계(c)에서 첨가되는 리튬이 Li2CO3, LiOH, LiNO3, LiPO4, LiF, LiCl, LiI, LiOH·H2O, Li2SO2 및 LiOAc로 이루어진 그룹으로부터 선택된 물질을 포함하는, 정극 활물질의 제조방법.
- 제19항에 있어서, 단계(c)에서 첨가되는 리튬의 양이 몰 기준으로 니켈, 망간, 코발트 및 알루미늄의 양의 합의 0.9 내지 1.1의 범위인, 정극 활물질의 제조방법.
- Ba, Mg, Ca, Sc, Ti, V, Cr, Mn, Fe, Ni, Co, Cu, Zn, Al, B, Si, Ga, Ge, As, Zr, Hf, Mo, W, Re, Ru, Rh, Pt, Ag, Os, Ir, Au, Sn 및 란탄족으로 이루어진 그룹으로부터 선택된 4개의 상이한 금속의 염들을 액체 용매 속에서 혼합하여 용액을 형성시키는 단계(a),형성된 용액으로부터 4개의 상이한 금속의 균질한 혼합물을 침전시키는 단계(b),형성된 4개의 상이한 금속의 균질한 침전 혼합물에 리튬을 첨가하는 단계(c) 및형성된 리튬과 4개의 상이한 금속과의 혼합물을 산소의 존재하에 소성시켜 4개의 상이한 금속의 리튬화된 복합 산화물을 형성시키는 단계(d)를 포함하고,리튬을 단계(c)에서 소성 전에 수용액으로서 첨가하여, 4개의 상이한 금속의 균질한 침전 혼합물을 리튬과 상호혼합시켜 현탁액을 형성시키고; 현탁액을 액적으로 분리시키고; 액적을 냉동시키고; 냉동된 액적으로부터 물을 승화시켜 제거하여 수산화리튬과 4개의 상이한 금속들의 수산화물들과의 건조 혼합물을 형성시키는, 정극 활물질의 제조방법.
- 제21항에 있어서, 액적이 액체 질소와 접촉됨으로써 냉동되는, 정극 활물질의 제조방법.
- 제21항에 있어서, 리튬과 4개의 상이한 금속과의 혼합물을 소성시키는 단계(d)가 수산화물을 산화물로 전환시키기에 충분한시간 동안 혼합물을 550℃ 내지 1200℃의 온도로 가열하는 것을 포함하는, 정극 활물질의 제조방법.
- 제23항에 있어서, 단계(b) 후 단계(c) 전에, 4개의 상이한 금속의 균질한 침전 혼합물을 수산화물의 적어도 일부를 추가 산화시키도록 의도된 조건하에서 산소 공급원과 반응시키는, 정극 활물질의 제조방법.
- 제24항에 있어서, 4개의 상이한 금속의 균질한 침전 혼합물이 공기, 산소기체 및 히드로과산화물로 이루어진 그룹으로부터 선택된 산소 공급원과 접촉하는, 정극 활물질의 제조방법.
- 제25항에 있어서, 4개의 상이한 금속의 균질한 침전 혼합물이 산소 공급원과 접촉하기 전에 액체로부터 분리된 후, 수산화물의 적어도 일부가 반응하여 산화물을 형성하기에 충분한 기간 동안 4개의 상이한 금속의 균질한 침전 혼합물이 공기의 존재하에 40℃ 내지 120℃의 온도로 가열되는, 정극 활물질의 제조방법.
- 제26항에 있어서, 산소와 접촉한 4개의 상이한 금속의 균질한 침전 혼합물이 단계(c)에서 몰 기준으로 니켈, 망간, 코발트 및 알루미늄의 양의 합의 0.9 내지 1.1의 범위 내의 양의 리튬과 혼합되는, 정극 활물질의 제조방법.
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Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
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US17391199P | 1999-12-29 | 1999-12-29 | |
US60/173,911 | 1999-12-29 | ||
US09/742,738 US6350543B2 (en) | 1999-12-29 | 2000-12-21 | Manganese-rich quaternary metal oxide materials as cathodes for lithium-ion and lithium-ion polymer batteries |
US09/742,754 US6623886B2 (en) | 1999-12-29 | 2000-12-21 | Nickel-rich quaternary metal oxide materials as cathodes for lithium-ion and lithium-ion polymer batteries |
US09/742,754 | 2000-12-21 | ||
US09/742,738 | 2000-12-21 |
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EP (3) | EP2528146B1 (ko) |
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WO2022131573A1 (ko) * | 2020-12-18 | 2022-06-23 | 주식회사 포스코 | 리튬 이차 전지용 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지 |
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GB9903519D0 (en) * | 1999-02-16 | 1999-04-07 | Europ Economic Community | Precipitation process |
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- 2000-12-22 EP EP12180685.5A patent/EP2528146B1/en not_active Expired - Lifetime
- 2000-12-22 EP EP12180686.3A patent/EP2528147B1/en not_active Expired - Lifetime
- 2000-12-22 KR KR1020027008441A patent/KR100767614B1/ko active IP Right Grant
- 2000-12-22 EP EP12180688.9A patent/EP2530767B1/en not_active Expired - Lifetime
- 2000-12-28 AR ARP000106982A patent/AR027130A1/es unknown
- 2000-12-28 CN CNB001376365A patent/CN100380717C/zh not_active Expired - Lifetime
-
2001
- 2001-03-28 TW TW089128101A patent/TW523958B/zh not_active IP Right Cessation
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2003
- 2003-06-06 US US10/456,106 patent/US7258821B2/en not_active Expired - Lifetime
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JPH09237631A (ja) * | 1995-12-29 | 1997-09-09 | Japan Storage Battery Co Ltd | リチウム二次電池用正極活物質とその製造方法及びリチウム二次電池 |
JPH1125957A (ja) | 1997-05-08 | 1999-01-29 | Sanyo Electric Co Ltd | 非水電解質二次電池及び正極材料の製造方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2022131573A1 (ko) * | 2020-12-18 | 2022-06-23 | 주식회사 포스코 | 리튬 이차 전지용 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지 |
Also Published As
Publication number | Publication date |
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US7258821B2 (en) | 2007-08-21 |
EP2528146A1 (en) | 2012-11-28 |
AR027130A1 (es) | 2003-03-12 |
EP2528147A1 (en) | 2012-11-28 |
CN100380717C (zh) | 2008-04-09 |
EP2530767A1 (en) | 2012-12-05 |
EP2528147B1 (en) | 2016-06-01 |
US20030206852A1 (en) | 2003-11-06 |
US6623886B2 (en) | 2003-09-23 |
CN1307374A (zh) | 2001-08-08 |
US6350543B2 (en) | 2002-02-26 |
EP2528146B1 (en) | 2016-07-06 |
EP2530767B1 (en) | 2016-05-18 |
US20020006550A1 (en) | 2002-01-17 |
TW523958B (en) | 2003-03-11 |
KR20020064367A (ko) | 2002-08-07 |
US20020119374A1 (en) | 2002-08-29 |
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