KR20180088912A - 리튬 이온 배터리용 애노드 재료 및 이의 제조 및 사용 방법 - Google Patents
리튬 이온 배터리용 애노드 재료 및 이의 제조 및 사용 방법 Download PDFInfo
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- KR20180088912A KR20180088912A KR1020187020673A KR20187020673A KR20180088912A KR 20180088912 A KR20180088912 A KR 20180088912A KR 1020187020673 A KR1020187020673 A KR 1020187020673A KR 20187020673 A KR20187020673 A KR 20187020673A KR 20180088912 A KR20180088912 A KR 20180088912A
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Abstract
Description
도 1은 실시예 1의 샘플의 X-선 회절 (XRD) 패턴을 나타낸다.
도 2는 전압의 함수로서 탈리튬화(delithiation) 동안 실시예 1의 전압으로 나눈 용량의 도함수 (dQ/dV)를 나타낸다.
Claims (15)
- 전기화학적 활성 재료로서,
규소를 포함하는 활성 상과;
쉐러 그레인 크기(Scherrer Grain Size)가 5 나노미터 초과인 적어도 하나의 비활성 상
을 포함하며;
쉐러 그레인 크기가 5 나노미터 초과인 재료의 각각의 비활성 상은 Li15Si4에 대한 격자 부정합률(lattice mismatch)이 5% 초과인, 전기화학적 활성 재료. - 제1항에 있어서, 적어도 하나의 비활성 상은 TiSi2, B4Si, Mg2Si, VSi2, β-FeSi2, Mn11Si19로부터 선택되는 비활성 규화물 상을 포함하고, 비활성 규화물 상의 쉐러 그레인 크기는 5 나노미터 초과인, 전기화학적 활성 재료.
- 제2항에 있어서, (i) 비활성 규화물 상(들), 및 (ii) 쉐러 그레인 크기가 5 나노미터 미만인 재료의 임의의 비활성 상은 함께 재료의 총 부피를 기준으로 17.5 부피% 초과의 양으로 전기화학적 활성 재료에 존재하는, 전기화학적 활성 재료.
- 제1항에 있어서, 활성 상은 전기화학적 활성 재료의 총 부피를 기준으로 35 내지 55 부피%의 양으로 존재하는, 전기화학적 활성 재료.
- 제1항에 있어서, 적어도 하나의 비활성 상은 FeSi2 및 SiC를 포함하는, 전기화학적 활성 재료.
- 제5항에 있어서, 활성 상은 전기화학적 활성 재료의 총 부피를 기준으로 35 내지 55 부피%의 양으로 존재하고, FeSi2 상은 전기화학적 활성 재료의 총 부피를 기준으로 35 내지 60 부피%의 양으로 존재하고, SiC 상은 전기화학적 활성 재료의 총 부피를 기준으로 4 내지 15 부피%의 양으로 존재하는, 전기화학적 활성 재료.
- 제4항에 있어서, 비활성 상은 활성 재료의 총 부피를 기준으로 30 부피% 내지 70 부피%의 양으로 활성 재료에 존재하는, 전기화학적 활성 재료.
- 제1항에 있어서, 전기화학적 활성 재료의 상들은 전기화학적 활성 재료 전반에 걸쳐 실질적으로 균질하게 분포되는, 전기화학적 활성 재료.
- 제1항에 있어서, 활성 재료의 각각의 상의 쉐러 그레인 크기는 50 나노미터 이하인, 전기화학적 활성 재료.
- 제1항에 따른 전기화학적 활성 재료; 및
결합제
를 포함하는, 전극 조성물. - 제10항에 있어서, 흑연을 추가로 포함하는, 전극 조성물.
- 제10항 및 제11항 중 어느 한 항에 따른 전극 조성물; 및
집전체
를 포함하는, 음극. - 제12항의 음극;
리튬을 포함하는 양극 조성물을 포함하는 양극; 및
리튬을 포함하는 전해질
을 포함하는, 전기화학 전지. - 제13항에 따른 전기화학 전지를 포함하는, 전자 디바이스.
- 리튬을 포함하는 양극 조성물을 포함하는 양극을 제공하는 단계;
제12항에 따른 음극을 제공하는 단계;
리튬을 포함하는 전해질을 제공하는 단계; 및
양극, 음극 및 전해질을 전기화학 전지에 통합하는 단계
를 포함하는, 전기화학 전지의 제조 방법.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201562270863P | 2015-12-22 | 2015-12-22 | |
| US62/270,863 | 2015-12-22 | ||
| PCT/US2016/066779 WO2017112502A1 (en) | 2015-12-22 | 2016-12-15 | Anode materials for lithium ion batteries and methods of making and using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20180088912A true KR20180088912A (ko) | 2018-08-07 |
| KR102826868B1 KR102826868B1 (ko) | 2025-07-01 |
Family
ID=59091161
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020187020673A Active KR102826868B1 (ko) | 2015-12-22 | 2016-12-15 | 리튬 이온 배터리용 애노드 재료 및 이의 제조 및 사용 방법 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US10777812B2 (ko) |
| EP (1) | EP3394920B1 (ko) |
| JP (2) | JP6954911B2 (ko) |
| KR (1) | KR102826868B1 (ko) |
| CN (1) | CN108432006B (ko) |
| TW (1) | TW201737535A (ko) |
| WO (1) | WO2017112502A1 (ko) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10777812B2 (en) * | 2015-12-22 | 2020-09-15 | Johnson Matthey Public Limited Company | Anode materials for lithium ion batteries and methods of making and using same |
| US11152613B2 (en) * | 2018-01-19 | 2021-10-19 | Amprius, Inc. | Stabilized, prelithiated silicon oxide particles for lithium ion battery anodes |
| CN109301254B (zh) * | 2018-11-12 | 2020-07-07 | 中南大学 | 一种锂硫电池正极材料、正极及其制备和应用 |
| US20240120486A1 (en) * | 2022-09-28 | 2024-04-11 | GM Global Technology Operations LLC | Silicon-containing electrodes and methods for preparing the same |
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| JP2007027084A (ja) * | 2005-06-17 | 2007-02-01 | Matsushita Electric Ind Co Ltd | 非水電解液二次電池 |
| JP2013521620A (ja) * | 2010-03-03 | 2013-06-10 | スリーエム イノベイティブ プロパティズ カンパニー | 複合体の陰極材料 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030211390A1 (en) * | 2000-12-22 | 2003-11-13 | Dahn Jeffrey R. | Grain boundary materials as electrodes for lithium ion cells |
| US6680145B2 (en) | 2001-08-07 | 2004-01-20 | 3M Innovative Properties Company | Lithium-ion batteries |
| JP2004185991A (ja) * | 2002-12-03 | 2004-07-02 | Mitsubishi Materials Corp | リチウム二次電池用負極材料及びこれを用いたリチウム二次電池並びにこの負極材料の製造方法 |
| JP5030414B2 (ja) * | 2004-11-15 | 2012-09-19 | パナソニック株式会社 | 非水電解質二次電池 |
| CN100466340C (zh) * | 2005-06-17 | 2009-03-04 | 松下电器产业株式会社 | 非水电解质二次电池 |
| US7906238B2 (en) | 2005-12-23 | 2011-03-15 | 3M Innovative Properties Company | Silicon-containing alloys useful as electrodes for lithium-ion batteries |
| US20080206641A1 (en) | 2007-02-27 | 2008-08-28 | 3M Innovative Properties Company | Electrode compositions and electrodes made therefrom |
| US8287772B2 (en) | 2009-05-14 | 2012-10-16 | 3M Innovative Properties Company | Low energy milling method, low crystallinity alloy, and negative electrode composition |
| US20100288077A1 (en) * | 2009-05-14 | 2010-11-18 | 3M Innovative Properties Company | Method of making an alloy |
| US8257864B2 (en) | 2009-06-29 | 2012-09-04 | 3M Innovative Properties Company | Method of making tin-based alloys for negative electrode compositions |
| EP2494602A1 (en) * | 2009-10-26 | 2012-09-05 | Trustees of Boston College | Hetero-nanostructure materials for use in energy-storage devices and methods of fabricating same |
| KR102219702B1 (ko) * | 2013-11-27 | 2021-02-25 | 삼성전자주식회사 | 음극 활물질 및 이를 이용한 리튬 이차전지 |
| KR102152883B1 (ko) | 2014-01-27 | 2020-09-07 | 삼성에스디아이 주식회사 | 음극 활물질, 이를 채용한 음극과 리튬 전지, 및 상기 음극 활물질의 제조방법 |
| US10164251B2 (en) * | 2014-12-23 | 2018-12-25 | Samsung Sdi Co., Ltd. | Negative active material and lithium battery including negative active material |
| KR102448293B1 (ko) | 2015-10-02 | 2022-09-28 | 삼성에스디아이 주식회사 | 음극 활물질 및 이를 채용한 음극 및 리튬 전지 |
| US10777812B2 (en) * | 2015-12-22 | 2020-09-15 | Johnson Matthey Public Limited Company | Anode materials for lithium ion batteries and methods of making and using same |
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2016
- 2016-12-15 US US16/063,708 patent/US10777812B2/en active Active
- 2016-12-15 KR KR1020187020673A patent/KR102826868B1/ko active Active
- 2016-12-15 EP EP16879898.1A patent/EP3394920B1/en active Active
- 2016-12-15 WO PCT/US2016/066779 patent/WO2017112502A1/en not_active Ceased
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- 2016-12-15 CN CN201680074406.1A patent/CN108432006B/zh active Active
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| EP3394920A4 (en) | 2019-06-26 |
| EP3394920A1 (en) | 2018-10-31 |
| CN108432006B (zh) | 2022-04-26 |
| JP7350817B2 (ja) | 2023-09-26 |
| JP2018538674A (ja) | 2018-12-27 |
| TW201737535A (zh) | 2017-10-16 |
| US11024844B2 (en) | 2021-06-01 |
| US20180375095A1 (en) | 2018-12-27 |
| JP6954911B2 (ja) | 2021-10-27 |
| US20200403233A1 (en) | 2020-12-24 |
| CN108432006A (zh) | 2018-08-21 |
| EP3394920B1 (en) | 2025-08-27 |
| JP2022008661A (ja) | 2022-01-13 |
| KR102826868B1 (ko) | 2025-07-01 |
| US10777812B2 (en) | 2020-09-15 |
| EP3394920C0 (en) | 2025-08-27 |
| WO2017112502A1 (en) | 2017-06-29 |
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