KR102052297B1 - 리튬 이차 전지용 전극, 이를 포함하는 리튬 이차 전지 및 이의 제조 방법 - Google Patents
리튬 이차 전지용 전극, 이를 포함하는 리튬 이차 전지 및 이의 제조 방법 Download PDFInfo
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- KR102052297B1 KR102052297B1 KR1020190004909A KR20190004909A KR102052297B1 KR 102052297 B1 KR102052297 B1 KR 102052297B1 KR 1020190004909 A KR1020190004909 A KR 1020190004909A KR 20190004909 A KR20190004909 A KR 20190004909A KR 102052297 B1 KR102052297 B1 KR 102052297B1
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- H01M4/36—Selection of substances as active materials, active masses, active liquids
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Abstract
본 발명에 의한리튬 이차 전지용 전극 및 이를 포함하는 리튬 이차 전지는 리튬을 흡장 및 방출할 때에 결정 구조의 팽창 및 수축에 따른 성능의 열화가 적고, 별도의 바인더를 사용할 필요가 없다.
Description
도 2는 본 발명의 일 실시예에 의하여 제조된 전극의 SEM 사진을 나타낸다.
Claims (9)
- 복수의 금속 섬유들을 제공하는 단계;
적어도 2 가지 이상의 원소들을 포함하는 화합물 용액 및 상기 화합물 용액 내에 상기 원소들 중 적어도 하나를 포함하는 상대 전극을 제공하여, 상기 화합물 용액 내에 상기 적어도 2 가지 이상의 원소들을 포함하는 전도성 활물질을 형성하는 단계;
상기 화합물 용액 내에서 상기 상대 전극과 일정한 간격으로 유지하면서 상기 복수의 금속 섬유들을 이동시키는 단계; 및
상기 상대 전극과 복수의 금속 섬유들 사이에 전류를 인가하여, 상기 복수의 금속 섬유들 상에 상기 전도성 활물질을 형성하는 단계를 포함하며,
상기 복수의 금속 섬유들은 3차원 금속 섬유 구조체이며,
상기 3차원 금속 섬유 구조체는 제조 과정 중 첨가된 불순물을 제거하고 상기 복수의 금속 섬유들 표면의 거칠기를 조절하기 위해 후가공되는 리튬 이차 전지용 전극의 제조 방법.
- 제 1 항에 있어서,
상기 복수의 금속 섬유를 제공하는 단계는, 집속 인발법 또는 급냉 응고법에 의해 수행되는 리튬 이차 전지용 전극의 제조 방법.
- 제 1 항에 있어서,
상기 3차원 금속 섬유 구조체는 직조 가공 공정 또는 부직포 가공 공정에 의하여 형성되는 리튬 이차 전지용 전극의 제조 방법.
- 제 3 항에 있어서,
상기 3차원 금속 섬유 구조체의 형성은 치수 안정성과 강도를 향상시키기 위한 고분자 용액 또는 고분자 섬유 형태의 첨가제와 상기 복수의 금속 섬유들을 혼합하여 수행되는 리튬 이차 전지용 전극의 제조 방법.
- 삭제
- 제 1 항에 있어서,
상기 후가공은 유지 성분을 제거하기 위한 알칼리 용액처리 단계; 표면 산화물을 제거하고 거칠기를 조절하기 위한 산 용액 처리 단계; 및 열처리 및 건조 단계에 의해 수행되는 리튬 이차 전지용 전극의 제조 방법.
- 삭제
- 삭제
- 삭제
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020190004909A KR102052297B1 (ko) | 2019-01-14 | 2019-01-14 | 리튬 이차 전지용 전극, 이를 포함하는 리튬 이차 전지 및 이의 제조 방법 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020190004909A KR102052297B1 (ko) | 2019-01-14 | 2019-01-14 | 리튬 이차 전지용 전극, 이를 포함하는 리튬 이차 전지 및 이의 제조 방법 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020120057026A Division KR20130133624A (ko) | 2012-05-29 | 2012-05-29 | 리튬 이차 전지용 전극 및 이를 포함하는 리튬 이차 전지 |
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| Publication Number | Publication Date |
|---|---|
| KR20190008969A KR20190008969A (ko) | 2019-01-25 |
| KR102052297B1 true KR102052297B1 (ko) | 2020-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020190004909A Expired - Fee Related KR102052297B1 (ko) | 2019-01-14 | 2019-01-14 | 리튬 이차 전지용 전극, 이를 포함하는 리튬 이차 전지 및 이의 제조 방법 |
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| Country | Link |
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| KR (1) | KR102052297B1 (ko) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009205961A (ja) * | 2008-02-28 | 2009-09-10 | Kanto Gakuin Univ Surface Engineering Research Institute | リチウム二次電池用負極の製造方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08213026A (ja) * | 1994-11-28 | 1996-08-20 | Katayama Tokushu Kogyo Kk | 電池電極基板用金属多孔体、電池電極板およびその製造方法 |
| JPH0945334A (ja) * | 1995-07-26 | 1997-02-14 | Katayama Tokushu Kogyo Kk | リチウム二次電池極板用基材、該基材を用いた極板および該極板を用いた二次電池 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009205961A (ja) * | 2008-02-28 | 2009-09-10 | Kanto Gakuin Univ Surface Engineering Research Institute | リチウム二次電池用負極の製造方法 |
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| KR20190008969A (ko) | 2019-01-25 |
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