KR20070056323A - 리튬 이차 전지용 음극 활물질 및 그를 포함하는 리튬 이차전지 - Google Patents
리튬 이차 전지용 음극 활물질 및 그를 포함하는 리튬 이차전지 Download PDFInfo
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Abstract
Description
Claims (18)
- Si 또는 Sn 활성 금속 미세 입자; 및상기 활성 금속 미세 입자 주위를 둘러싸며, 활성 금속 미세 입자와 반응하지 않는 2원계 이상의 금속 매트릭스를 포함하는 리튬 이차 전지용 음극 활물질.
- 제 1 항에 있어서,상기 금속 매트릭스는 Cu 및 Al을 포함하는 것인 리튬 이차 전지용 음극 활물질.
- 제 2 항에 있어서,상기 금속 매트릭스는 Zn, Mg, Mn, Cr, Ti 및 Ge로 이루어진 군에서 선택되는 하나 또는 하나 이상의 금속을 더욱 포함하는 것인 리튬 이차 전지용 음극 활물질.
- 제 1 항에 있어서,상기 활성 금속 미세 입자와 상기 금속 매트릭스는 합금 형태로 존재하는 것인 리튬 이차 전지용 음극 활물질.
- 제 4 항에 있어서,상기 합금은 하기 화학식 1로 표현되는 것인 리튬 이차 전지용 음극 활물질.[화학식 1]xA-yB-zC(상기 화학식 1에서,A 및 B는 동일하거나 서로 독립적으로 Si 또는 Sn이고,x는 0 내지 70 중량%이고y는 0 내지 70 중량%이고,x + y 는 30 내지 80 중량%이고,z는 20 내지 70 중량%이고,C는 Cu-aAl-bM이고, 여기에서 M은 합금화가 가능한 금속이며, a는 0 내지 50 중량%, b는 0 내지 20 중량%이다)
- 제 1 항에 있어서,상기 음극 활물질은 상기 금속 매트릭스를 20 내지 70 중량%의 양으로 포함하고, 상기 활성 금속 미세 입자를 80 내지 30 중량%의 양으로 포함하는 것인 리튬 이차 전지용 음극 활물질.
- 제 6 항에 있어서,상기 음극 활물질은 상기 금속 매트릭스를 30 내지 70 중량%의 양으로 포함 하고, 상기 활성 금속 미세 입자를 70 내지 30 중량%의 양으로 포함하는 것인 리튬 이차 전지용 음극 활물질.
- 제 1 항에 있어서,상기 활성 금속 미세 입자는 50nm 내지 1000nm의 평균 입자 크기를 갖는 것인 리튬 이차 전지용 음극 활물질.
- 제 8 항에 있어서,상기 활성 금속 미세 입자는 50nm 내지 500nm의 평균 입자 크기를 갖는 것인 리튬 이차 전지용 음극 활물질.
- Si 또는 Sn 활성 금속 미세 입자 및 상기 활성 금속 미세 입자 주위를 둘러싸며, 활성 금속 미세 입자와 반응하지 않는 2원계 이상의 금속 매트릭스를 포함하는 음극 활물질을 포함하는 음극;리튬 이온을 가역적으로 인터칼레이션 및 디인터칼레이션할 수 있는 양극 활물질을 포함하는 양극; 및전해액을 포함하는 리튬 이차 전지.
- 제 10 항에 있어서,상기 금속 매트릭스는 Cu 및 Al을 포함하는 것인 리튬 이차 전지.
- 제 11 항에 있어서,상기 금속 매트릭스는 Zn, Mg, Mn, Cr, Ti 및 Ge로 이루어진 군에서 선택되는 하나 또는 하나 이상의 금속을 더욱 포함하는 것인 리튬 이차 전지.
- 제 11 항에 있어서,상기 활성 금속 미세 입자와 상기 금속 매트릭스는 합금 형태로 존재하는 것인 리튬 이차 전지.
- 제 13 항에 있어서,상기 합금은 하기 화학식 1로 표현되는 것인 리튬 이차 전지.[화학식 1]xA-yB-zC(상기 화학식 1에서,A 및 B는 동일하거나 서로 독립적으로 Si 또는 Sn이고,x는 0 내지 70 중량%이고y는 0 내지 70 중량%이고,x + y 는 30 내지 80 중량%이고,z는 20 내지 70 중량%이고,C는 Cu-aAl-bM이고, 여기에서 M은 합금화가 가능한 금속이며, a는 0 내지 50 중량%, b는 0 내지 20 중량%이다)
- 제 11 항에 있어서,상기 음극 활물질은 상기 금속 매트릭스를 20 내지 70 중량%의 양으로 포함하고, 상기 활성 금속 미세 입자를 80 내지 30 중량%의 양으로 포함하는 것인 리튬 이차 전지.
- 제 15 항에 있어서,상기 음극 활물질은 상기 금속 매트릭스를 30 내지 70 중량%의 양으로 포함하고, 상기 활성 금속 미세 입자를 70 내지 30 중량%의 양으로 포함하는 것인 리튬 이차 전지.
- 제 11 항에 있어서,상기 활성 금속 미세 입자는 50nm 내지 1000nm의 평균 입자 크기를 갖는 것인 리튬 이차 전지.
- 제 17 항에 있어서,상기 활성 금속 미세 입자는 50nm 내지 500nm의 평균 입자 크기를 갖는 것인 리튬 이차 전지.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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KR1020050114829A KR100949330B1 (ko) | 2005-11-29 | 2005-11-29 | 리튬 이차 전지용 음극 활물질 및 그를 포함하는 리튬 이차전지 |
JP2006317645A JP5085106B2 (ja) | 2005-11-29 | 2006-11-24 | リチウム2次電池用負極活物質及び、これを含むリチウム2次電池 |
US11/604,712 US9284630B2 (en) | 2005-11-29 | 2006-11-28 | Negative active material including Si active metal grains and Cu—Al metal matrix surrounding Si active metal grains and rechargeable lithium battery including negative active material |
EP06124957.9A EP1791200B1 (en) | 2005-11-29 | 2006-11-28 | Negative active material and rechargeable lithium battery including negative active material |
CN2006100641909A CN101005133B (zh) | 2005-11-29 | 2006-11-29 | 负极活性物质和含有该负极活性物质的可再充电锂电池 |
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KR1020050114829A KR100949330B1 (ko) | 2005-11-29 | 2005-11-29 | 리튬 이차 전지용 음극 활물질 및 그를 포함하는 리튬 이차전지 |
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KR20070056323A true KR20070056323A (ko) | 2007-06-04 |
KR100949330B1 KR100949330B1 (ko) | 2010-03-26 |
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US (1) | US9284630B2 (ko) |
EP (1) | EP1791200B1 (ko) |
JP (1) | JP5085106B2 (ko) |
KR (1) | KR100949330B1 (ko) |
CN (1) | CN101005133B (ko) |
Cited By (9)
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KR100796664B1 (ko) * | 2007-03-21 | 2008-01-22 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 음극 활물질 및 이를 포함하는 리튬 이차전지 |
WO2012015105A1 (ko) * | 2010-07-30 | 2012-02-02 | 일진전기 주식회사 | 음극 활물질 |
KR20130035930A (ko) * | 2011-09-30 | 2013-04-09 | 다이도 스틸 코오퍼레이션 리미티드 | 리튬 배터리용 음극 활성 물질 및 그를 사용하는 리튬 배터리용 음극 |
US8574764B2 (en) | 2006-11-27 | 2013-11-05 | Samsung Sdi Co., Ltd. | Negative active material including silicon active particles surrounded by copper, aluminum and tin metal matrix and rechargeable lithium battery including the same |
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US8790825B2 (en) | 2009-10-14 | 2014-07-29 | Samsung Sdi Co., Ltd. | Negative active material for rechargeable lithium battery, method of preparing the same, and rechargeable lithium battery including the same |
US8835051B2 (en) | 2007-04-05 | 2014-09-16 | Samsung Sdi Co., Ltd. | Negative active material for rechargeable lithium battery, method for preparing same, and rechargeable lithium battery including same |
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JP5455183B2 (ja) * | 2008-08-04 | 2014-03-26 | Necエナジーデバイス株式会社 | 非水電解液二次電池 |
GB2464157B (en) | 2008-10-10 | 2010-09-01 | Nexeon Ltd | A method of fabricating structured particles composed of silicon or a silicon-based material |
GB2464158B (en) | 2008-10-10 | 2011-04-20 | Nexeon Ltd | A method of fabricating structured particles composed of silicon or a silicon-based material and their use in lithium rechargeable batteries |
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2005
- 2005-11-29 KR KR1020050114829A patent/KR100949330B1/ko active IP Right Grant
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2006
- 2006-11-24 JP JP2006317645A patent/JP5085106B2/ja not_active Expired - Fee Related
- 2006-11-28 US US11/604,712 patent/US9284630B2/en not_active Expired - Fee Related
- 2006-11-28 EP EP06124957.9A patent/EP1791200B1/en not_active Expired - Fee Related
- 2006-11-29 CN CN2006100641909A patent/CN101005133B/zh not_active Expired - Fee Related
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US8574764B2 (en) | 2006-11-27 | 2013-11-05 | Samsung Sdi Co., Ltd. | Negative active material including silicon active particles surrounded by copper, aluminum and tin metal matrix and rechargeable lithium battery including the same |
KR100796664B1 (ko) * | 2007-03-21 | 2008-01-22 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 음극 활물질 및 이를 포함하는 리튬 이차전지 |
US8835053B2 (en) | 2007-03-21 | 2014-09-16 | Samsung Sdi Co., Ltd. | Negative active material containing an intermetallic compound of silicon and a first metal and a metal matrix containing copper and aluminum for rechargeable lithium battery and rechargeable lithium battery containing the negative active material |
US8835051B2 (en) | 2007-04-05 | 2014-09-16 | Samsung Sdi Co., Ltd. | Negative active material for rechargeable lithium battery, method for preparing same, and rechargeable lithium battery including same |
US8790825B2 (en) | 2009-10-14 | 2014-07-29 | Samsung Sdi Co., Ltd. | Negative active material for rechargeable lithium battery, method of preparing the same, and rechargeable lithium battery including the same |
WO2012015105A1 (ko) * | 2010-07-30 | 2012-02-02 | 일진전기 주식회사 | 음극 활물질 |
KR20130035930A (ko) * | 2011-09-30 | 2013-04-09 | 다이도 스틸 코오퍼레이션 리미티드 | 리튬 배터리용 음극 활성 물질 및 그를 사용하는 리튬 배터리용 음극 |
KR101356988B1 (ko) * | 2011-10-24 | 2014-02-03 | 일진전기 주식회사 | 음극 활물질, 및 이를 포함하는 이차전지 |
US9406933B2 (en) | 2013-08-22 | 2016-08-02 | Samsung Sdi Co., Ltd. | Negative active material, negative electrode and lithium battery including negative active material, and method of manufacturing negative active material |
WO2015099325A1 (ko) * | 2013-12-24 | 2015-07-02 | 일진전기 주식회사 | 리튬 이차 전지용 음극 활물질 |
Also Published As
Publication number | Publication date |
---|---|
EP1791200B1 (en) | 2019-08-21 |
EP1791200A3 (en) | 2009-03-11 |
JP5085106B2 (ja) | 2012-11-28 |
US9284630B2 (en) | 2016-03-15 |
JP2007149685A (ja) | 2007-06-14 |
CN101005133B (zh) | 2010-08-25 |
KR100949330B1 (ko) | 2010-03-26 |
EP1791200A2 (en) | 2007-05-30 |
CN101005133A (zh) | 2007-07-25 |
US20070122702A1 (en) | 2007-05-31 |
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