KR101015002B1 - 리튬이차전지용 양극재료의 제조방법 - Google Patents
리튬이차전지용 양극재료의 제조방법 Download PDFInfo
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- KR101015002B1 KR101015002B1 KR1020057001169A KR20057001169A KR101015002B1 KR 101015002 B1 KR101015002 B1 KR 101015002B1 KR 1020057001169 A KR1020057001169 A KR 1020057001169A KR 20057001169 A KR20057001169 A KR 20057001169A KR 101015002 B1 KR101015002 B1 KR 101015002B1
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Abstract
Description
측정항목 |
특성의 측정결과 | |
실시예 1의 재료를 사용한 것 |
비교예 1의 재료를 사용한 것 |
|
초기용량 | 120mAh/g | 115mAh/g |
사이클특성 | 91% | 82% |
안전성 | 360℃ | 354℃ |
측정항목 |
특성의 측정결과 | |
실시예 2의 재료를 사용한 것 |
비교예 2의 재료를 사용한 것 |
|
초기용량 | 145mAh/g | 140mAh/g |
사이클특성 | 95% | 90% |
안전성 | 230℃ | 225℃ |
측정항목 |
특성의 측정결과 | |
실시예 3의 재료를 사용한 것 |
비교예 3의 재료를 사용한 것 |
|
초기용량 | 185mAh/g | 180mAh/g |
사이클특성 | 85% | 80% |
안전성 | 230℃ | 225℃ |
측정항목 |
특성의 측정결과 | |
실시예 4의 재료를 사용한 것 |
비교예 4의 재료를 사용한 것 |
|
초기용량 | 110mAh/g | 108mAh/g |
사이클특성 | 96% | 93% |
안전성 | 365℃ | 358℃ |
측정항목 |
특성의 측정결과 | |
실시예 5의 재료를 사용한 것 |
비교예 5의 재료를 사용한 것 |
|
초기용량 | 143mAh/g | 138mAh/g |
사이클특성 | 93% | 90% |
안전성 | 228℃ | 225℃ |
측정항목 |
특성의 측정결과 | |
실시예 6의 재료를 사용한 것 |
비교예 6의 재료를 사용한 것 |
|
초기용량 | 170mAh/g | 165mAh/g |
사이클특성 | 85% | 78% |
안전성 | 260℃ | 255℃ |
측정항목 |
특성의 측정결과 | |
실시예 7의 재료를 사용한 것 |
비교예 7의 재료를 사용한 것 |
|
초기용량 | 160mAh/g | 155mAh/g |
사이클특성 | 80% | 76% |
안전성 | 280℃ | 274℃ |
Claims (14)
- 리튬이차전지용 양극재료의 주체가 되는 금속의 산화물 또는 탄산염을 현탁한 알칼리용액, 탄산염용액 또는 탄산수소염용액에 도프원소의 염으로서 다른 원소의 염의 수용액을 떨어뜨려, 상기 "주체가 되는 금속의 화합물"의 표면에 다른 원소의 화합물을 침전석출시킨 후, 이 다른 원소화합물을 석출부착시킨 주체화합물과 리튬화합물을 혼합하여 소성하는 것을 특징으로 하는 리튬이차전지용 양극재료의 제조방법.
- 제 1 항에 있어서, "주체가 되는 금속의 산화물 또는 탄산염"에 있어서의 금속이 Co, Mn 또는 Ni인 리튬이차전지용 양극재료의 제조방법.
- 제 1 항 또는 제 2 항에 있어서, "다른 원소"가 천이금속(Sc, Ti, V, Cr, Mn, Fe, Co, Ni 및 Cu), 알칼리금속(Li, Na, K, Rb, Cs 및 Fr), 알칼리토류금속(Be, Mg, Ca, Sr, Ba 및 Ra), B 및 Al 중의 1종 이상인 리튬이차전지용 양극재료의 제조방법.
- 제 1 항 또는 제 2 항에 있어서, "주체가 되는 금속의 화합물"에 있어서의 금속과 "다른 원소"와의 비율이 몰비로 99:1∼40:60인 것을 특징으로 하는 리튬이차전지용 양극재료의 제조방법.
- 제 1 항 또는 제 2 항에 있어서, "주체가 되는 금속의 화합물"에 있어서의 금속이 Mn이고, "다른 원소"가 Co, Ni, Al, Mg 및 Ti 중의 1종 이상인 리튬이차전지용 양극재료의 제조방법.
- 제 1 항 또는 제 2 항에 있어서, "주체가 되는 금속의 화합물"에 있어서의 금속이 Co이고, "다른 원소"가 Mn, Ni, Al, Mg 및 Ti 중의 1종 이상인 리튬이차전지용 양극재료의 제조방법.
- 제 1 항 또는 제 2 항에 있어서, "주체가 되는 금속의 화합물"에 있어서의 금속이 Ni이고, "다른 원소"가 Co, Mn, Al, Mg 및 Ti 중의 1종 이상인 리튬이차전지용 양극재료의 제조방법.
- 제 3 항에 있어서, "주체가 되는 금속의 화합물"에 있어서의 금속과 "다른 원소"와의 비율이 몰비로 99:1∼40:60인 것을 특징으로 하는 리튬이차전지용 양극재료의 제조방법.
- 제 3 항에 있어서, "주체가 되는 금속의 화합물"에 있어서의 금속이 Mn이고, "다른 원소"가 Co, Ni, Al, Mg 및 Ti 중의 1종 이상인 리튬이차전지용 양극재료의 제조방법.
- 제 4 항에 있어서, "주체가 되는 금속의 화합물"에 있어서의 금속이 Mn이고, "다른 원소"가 Co, Ni, Al, Mg 및 Ti 중의 1종 이상인 리튬이차전지용 양극재료의 제조방법.
- 제 3 항에 있어서, "주체가 되는 금속의 화합물"에 있어서의 금속이 Co이고, "다른 원소"가 Mn, Ni, Al, Mg 및 Ti 중의 1종 이상인 리튬이차전지용 양극재료의 제조방법.
- 제 4 항에 있어서, "주체가 되는 금속의 화합물"에 있어서의 금속이 Co이고, "다른 원소"가 Mn, Ni, Al, Mg 및 Ti 중의 1종 이상인 리튬이차전지용 양극재료의 제조방법.
- 제 3 항에 있어서, "주체가 되는 금속의 화합물"에 있어서의 금속이 Ni이고, "다른 원소"가 Co, Mn, Al, Mg 및 Ti 중의 1종 이상인 리튬이차전지용 양극재료의 제조방법.
- 제 4 항에 있어서, "주체가 되는 금속의 화합물"에 있어서의 금속이 Ni이고, "다른 원소"가 Co, Mn, Al, Mg 및 Ti 중의 1종 이상인 리튬이차전지용 양극재료의 제조방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2002-00214450 | 2002-07-23 | ||
JP2002214450A JP4292761B2 (ja) | 2002-07-23 | 2002-07-23 | リチウム二次電池用正極材料の製造方法 |
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Publication Number | Publication Date |
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KR20050027256A KR20050027256A (ko) | 2005-03-18 |
KR101015002B1 true KR101015002B1 (ko) | 2011-02-16 |
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Country | Link |
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US (1) | US20050265909A1 (ko) |
EP (1) | EP1553645B8 (ko) |
JP (1) | JP4292761B2 (ko) |
KR (1) | KR101015002B1 (ko) |
CN (1) | CN100340014C (ko) |
TW (1) | TWI245445B (ko) |
WO (1) | WO2004010519A1 (ko) |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
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TWI279019B (en) * | 2003-01-08 | 2007-04-11 | Nikko Materials Co Ltd | Material for lithium secondary battery positive electrode and manufacturing method thereof |
JP2005116470A (ja) * | 2003-10-10 | 2005-04-28 | Toyota Central Res & Dev Lab Inc | 非水系リチウム二次電池 |
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JP2004055472A (ja) | 2004-02-19 |
KR20050027256A (ko) | 2005-03-18 |
EP1553645B1 (en) | 2019-03-27 |
EP1553645A1 (en) | 2005-07-13 |
CN1672275A (zh) | 2005-09-21 |
WO2004010519A1 (ja) | 2004-01-29 |
TWI245445B (en) | 2005-12-11 |
CN100340014C (zh) | 2007-09-26 |
TW200507326A (en) | 2005-02-16 |
JP4292761B2 (ja) | 2009-07-08 |
EP1553645B8 (en) | 2019-05-29 |
US20050265909A1 (en) | 2005-12-01 |
EP1553645A4 (en) | 2008-04-09 |
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