KR20160010751A - 탄소-실리콘 복합체의 제조방법 - Google Patents
탄소-실리콘 복합체의 제조방법 Download PDFInfo
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Abstract
Description
도 2는 비교예 3(A) 및 실시예 1(B)에서 제조된 최종 탄화물에 대한 SEM 이미지이다.
도 3는 실시예 1~2 및 비교예 1에서 제조된 이차전지에 대하여 방전율별 용량을 측정하여 각 방전율에 따른 용량 유지율 결과를 나타낸 그래프이다.
| 초기효율(%) | 25 싸이클 후 방전 용량 유지율(%) |
|
| 실시예 1 | 84.7 | 100 |
| 실시예 2 | 83.5 | 92 |
| 실시예 3 | 79.8 | 93 |
| 비교예 1 | 76.0 | 92 |
| 비교예 2 | 69.2 | 93 |
| 비교예 3 | 72.9 | 92 |
| 비교예 4 | 74.0 | 78 |
Claims (14)
- (a) Si-블록 공중합체 코어-쉘 입자를 포함하는 슬러리 용액을 준비하는 단계;
(b) 탄소 원료와 상기 슬러리 용액을 혼합하여 혼합 용액을 제조하는 단계;
(c) 상기 혼합 용액에 대하여 1차 탄화 공정 후 분쇄를 수행하여 1차 탄화물을 제조하는 단계; 및
(d) 상기 1차 탄화물에 대하여 2차 탄화 공정 후 분쇄를 수행하여 2차 탄화물을 제조하는 단계를 포함하는
탄소-실리콘 복합체의 제조방법.
- 제1항에 있어서,
상기 (d) 단계에서 2차 탄화 공정은 상기 1차 탄화 공정 보다 높은 온도에서 수행되는 것인
탄소-실리콘 복합체의 제조방법.
- 제1항에 있어서,
상기 (c) 및 (d) 단계에서 분쇄는 밀링(milling) 방법에 의해 수행되는 것인
탄화-실리콘 복합체의 제조방법.
- 제1항에 있어서,
상기 (a) 단계에서 Si-블록 공중합체 코어-쉘 입자의, 상기 슬러리 용액 내 입자 분포에서 90% 누적질량 입자크기 분포 직경을 D90이라 하고, 50% 누적질량 입자크기 분포 직경을 D50이라 할 때, 1≤D90/D50≤1.5 이고, 2nm<D50<160nm 인
탄소-실리콘 복합체의 제조방법.
- 제1항에 있어서
상기 (b) 단계에서 탄소 원료는 천연 흑연, 인조 흑연, 소프트카본, 하드카본, 피치, 소성된 코크스, 그라핀(graphene), 탄소나노튜브 및 이들의 조합으로 이루어진 군으로부터 선택된 적어도 하나를 포함하는
탄소-실리콘 복합체의 제조방법.
- 제5항에 있어서
상기 피치는 불용분(QI)이 0 중량% 내지 20 중량%이고, 연화점(SP)이 10℃ 내지 120℃인
탄소-실리콘 복합체의 제조방법.
- 제1항에 있어서,
상기 (c) 단계에서 1차 탄화 공정은 1~20bar 하에 400~600℃에서 1~24시간 동안 수행되는
탄소-실리콘 복합체의 제조방법.
- 제1항에 있어서,
상기 (c) 단계에서 분쇄 후 1차 탄화물의, 입자 분포에서 90% 누적질량 입자크기 분포 직경을 D90이라 하고, 50% 누적질량 입자크기 분포 직경을 D50이라 할 때, 1≤D90/D50≤2.5이고, 3㎛<D50<10㎛인
탄소-실리콘 복합체의 제조방법.
- 제1항에 있어서,
상기 (d) 단계에서 2차 탄화 공정은 0.5~20bar 하에 900~1400℃에서 0.5~24시간 동안 수행되는
탄소-실리콘 복합체의 제조방법.
- 제1항에 있어서,
상기 (d) 단계에서 분쇄 후 2차 탄화물의, 입자 분포에서 90% 누적질량 입자크기 분포 직경을 D90이라 하고, 50% 누적질량 입자크기 분포 직경을 D50이라 할 때, 1≤D90/D50≤2이고, 3㎛<D50<10㎛인
탄소-실리콘 복합체의 제조방법.
- 제1항 내지 제10항 중 어느 한 항에 따른 방법으로 제조된 탄소-실리콘 복합체.
- 제11항에 있어서,
상기 탄소-실리콘 복합체는 Si 대 C의 질량비를 1:99 내지 10:90로 포함하는
탄소-실리콘 복합체.
- 제12항에 따른 탄소-실리콘 복합체; 도전재; 결합재; 및 증점제를 포함하는 음극 슬러리를 음극 집전체에 코팅한
이차전지용 음극.
- 제13항에 따른 이차전지용 음극을 포함하는
이차전지.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020140090641A KR101615439B1 (ko) | 2014-07-17 | 2014-07-17 | 탄소-실리콘 복합체의 제조방법 |
| JP2015133300A JP6230571B2 (ja) | 2014-07-17 | 2015-07-02 | 炭素‐シリコン複合体の製造方法 |
| US14/793,742 US9981993B2 (en) | 2014-07-17 | 2015-07-08 | Manufacturing method of carbon-silicon composite |
| CN201510425473.0A CN105280894B (zh) | 2014-07-17 | 2015-07-17 | 碳‑硅复合材料的制备方法 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020140090641A KR101615439B1 (ko) | 2014-07-17 | 2014-07-17 | 탄소-실리콘 복합체의 제조방법 |
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| Publication Number | Publication Date |
|---|---|
| KR20160010751A true KR20160010751A (ko) | 2016-01-28 |
| KR101615439B1 KR101615439B1 (ko) | 2016-05-13 |
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| KR1020140090641A Active KR101615439B1 (ko) | 2014-07-17 | 2014-07-17 | 탄소-실리콘 복합체의 제조방법 |
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| Country | Link |
|---|---|
| US (1) | US9981993B2 (ko) |
| JP (1) | JP6230571B2 (ko) |
| KR (1) | KR101615439B1 (ko) |
| CN (1) | CN105280894B (ko) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190104549A (ko) * | 2017-01-02 | 2019-09-10 | 브레톤 스파 | “코어” 나노입자 캐리어 상에 지지된 층상 “쉘”로서의 그래핀 및 기타 2d 재료 |
| CN113571686A (zh) * | 2021-06-23 | 2021-10-29 | 长沙矿冶研究院有限责任公司 | 一种核壳型碳硅负极材料的制备方法 |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109417157A (zh) * | 2016-05-06 | 2019-03-01 | 深圳中科瑞能实业有限公司 | 一种负极活性材料及其制备方法、含所述负极活性材料的负极及二次电池 |
| KR101918815B1 (ko) * | 2016-08-23 | 2018-11-15 | 넥시온 엘티디. | 이차 전지용 음극 활물질 및 이의 제조 방법 |
| NO343898B1 (en) * | 2016-09-19 | 2019-07-01 | Dynatec Eng As | Method for producing silicon particles for use as anode material in lithium ion rechargeable batteries, use of a rotating reactor for the method and particles produced by the method and a reactor for operating the method |
| DE102017211086A1 (de) * | 2017-06-29 | 2019-01-03 | Sgl Carbon Se | Neuartiges Kompositmaterial |
| CN109524643B (zh) * | 2018-11-01 | 2021-05-07 | 贵州梅岭电源有限公司 | 一种多层碳壳核壳结构硅基负极材料的制备方法及其应用 |
| CN109817871A (zh) * | 2019-03-29 | 2019-05-28 | 溧阳天目先导电池材料科技有限公司 | 一种离子导体浆料及其制备方法和应用 |
| CN113437292B (zh) * | 2020-03-23 | 2022-10-21 | 中国石油化工股份有限公司 | 一种改性软碳负极材料及其制备方法 |
| CN111807345B (zh) * | 2020-06-17 | 2024-12-03 | 银隆新能源股份有限公司 | 硅碳复合材料、其制备方法、锂电池负极材料及锂电池 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040151837A1 (en) * | 1995-11-14 | 2004-08-05 | Koichi Morita | Material for negative electrode of lithium secondary battery, method for production thereof and lithium secondary battery using the same |
| JP4385589B2 (ja) * | 2002-11-26 | 2009-12-16 | 昭和電工株式会社 | 負極材料及びそれを用いた二次電池 |
| EP1573835B1 (en) * | 2002-11-26 | 2017-05-03 | Showa Denko K.K. | Electrode material comprising silicon and/or tin particles and production method and use thereof |
| JP2006196338A (ja) * | 2005-01-14 | 2006-07-27 | Matsushita Electric Ind Co Ltd | 非水電解質二次電池 |
| CN100422076C (zh) | 2005-11-17 | 2008-10-01 | 复旦大学 | 硅/炭核壳结构纳米复合材料及其制备方法和用途 |
| DE102008020441A1 (de) | 2008-04-23 | 2009-10-29 | Merck Patent Gmbh | Klebstoff |
| FR2936102B1 (fr) * | 2008-09-12 | 2010-10-29 | Commissariat Energie Atomique | Procede de preparation d'un materiau composite silicium/ carbone, materiau ainsi prepare et electrode notamment electrode negative, comprenant ce materiau. |
| WO2010038609A1 (ja) * | 2008-09-30 | 2010-04-08 | 住友ベークライト株式会社 | リチウム二次電池負極用炭素材、リチウム二次電池負極、リチウム二次電池およびリチウム二次電池負極用炭素材の製造方法 |
| KR101798061B1 (ko) | 2009-06-25 | 2017-11-16 | 삼성전자주식회사 | 음극 활물질, 이를 포함하는 음극, 음극의 제조 방법 및 리튬 전지 |
| KR101073017B1 (ko) * | 2010-01-05 | 2011-10-12 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 음극 및 이를 포함하는 리튬 이차 전지 |
| CN101944596A (zh) | 2010-07-30 | 2011-01-12 | 中国科学院化学研究所 | 一种硅碳复合微球的制备方法及其应用 |
| CN101931076B (zh) | 2010-07-30 | 2014-01-29 | 中国科学院化学研究所 | 一种硅碳复合颗粒的制备方法及其作为锂离子电池负极材料的应用 |
| EP2630684A4 (en) | 2010-10-22 | 2015-12-23 | Amprius Inc | COMPOSITE STRUCTURES WITH POROUS HIGH-PERFORMANCE ACTIVE MATERIALS HELD IN CASES |
| KR101256067B1 (ko) * | 2011-03-24 | 2013-04-18 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 음극, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지 |
| KR101261989B1 (ko) | 2011-08-17 | 2013-05-08 | 서울대학교산학협력단 | 금속-탄소 코어-쉘 구조의 리튬 2차 전지용 음극 재료의 제조방법 |
| KR101288941B1 (ko) | 2011-08-31 | 2013-07-23 | 이화여자대학교 산학협력단 | 금속산화물-탄소질 하이브리드 박막 및 이의 제조 방법 |
| KR101846553B1 (ko) | 2011-12-20 | 2018-04-09 | 한국과학기술원 | 코어-쉘 구조의 실리콘-탄소 복합 음극 활물질, 그 제조방법 및 이를 포함하는 리튬이차전지 |
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2014
- 2014-07-17 KR KR1020140090641A patent/KR101615439B1/ko active Active
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2015
- 2015-07-02 JP JP2015133300A patent/JP6230571B2/ja active Active
- 2015-07-08 US US14/793,742 patent/US9981993B2/en active Active
- 2015-07-17 CN CN201510425473.0A patent/CN105280894B/zh active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190104549A (ko) * | 2017-01-02 | 2019-09-10 | 브레톤 스파 | “코어” 나노입자 캐리어 상에 지지된 층상 “쉘”로서의 그래핀 및 기타 2d 재료 |
| CN113571686A (zh) * | 2021-06-23 | 2021-10-29 | 长沙矿冶研究院有限责任公司 | 一种核壳型碳硅负极材料的制备方法 |
| CN113571686B (zh) * | 2021-06-23 | 2023-01-17 | 长沙矿冶研究院有限责任公司 | 一种核壳型碳硅负极材料的制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105280894B (zh) | 2018-04-06 |
| US9981993B2 (en) | 2018-05-29 |
| JP2016025079A (ja) | 2016-02-08 |
| JP6230571B2 (ja) | 2017-11-15 |
| US20160020465A1 (en) | 2016-01-21 |
| KR101615439B1 (ko) | 2016-05-13 |
| CN105280894A (zh) | 2016-01-27 |
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