KR20140051903A - 개별형 탄소 나노튜브를 이용하는 리튬 이온 배터리, 그의 제조 방법 및 그로부터 얻은 생성물 - Google Patents
개별형 탄소 나노튜브를 이용하는 리튬 이온 배터리, 그의 제조 방법 및 그로부터 얻은 생성물 Download PDFInfo
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Abstract
Description
도 2는 본 발명의 5% 산화된 탄소 나노튜브를 갖는 LiMnO4를 나타낸 도면을 나타낸다.
도 3은 개별형 탄소 나노튜브에 부착된 이산화티타늄 결정을 나타낸 도면을 나타낸다.
Claims (13)
- 리튬 이온 활성 물질의 결정 또는 층이 표면에 부착된 개별형 탄소 나노튜브를 포함하는, 리튬 이온 배터리에 유용한 조성물.
- 제1항에 있어서, 리튬 이온 활성 물질의 결정 또는 층이 리튬 금속 염, 및 철, 망가니즈, 코발트, 구리, 니켈, 바나듐, 티타늄 및 그의 혼합물로 이루어진 군으로부터 선택된 원소를 포함하는 것인 조성물.
- 제2항에 있어서, 리튬 금속 염이 올리빈(olivine) 결정 구조를 갖는 것인 조성물.
- 제1항에 있어서, 리튬 이온 활성 물질의 결정 또는 층이 주석, 규소, 구리, 안티모니, 알루미늄, 게르마늄, 티타늄 또는 그의 혼합물을 포함하는 것인 조성물.
- 제1항에 있어서, 개별형 탄소 나노튜브의 종횡비가 10 내지 500이고, 탄소 나노튜브 산화 수준이 1 중량% 내지 15 중량%인 조성물.
- 제1항에 있어서, 그래핀 또는 산소화 그래핀을 더 포함하는 조성물.
- 제6항에 있어서, 그래핀 대 탄소 나노튜브의 중량비가 0.1:99.9 내지 99.9:0.1의 범위인 조성물.
- a) 종횡비 10 내지 500 및 산화 수준 1 중량% 내지 15 중량%의 탄소 나노튜브를 선택하는 단계,
b) 탄소 나노튜브를 고비점 액체와 혼합하는 단계,
c) 리튬 염이 합성되도록 시약을 정확하게 균형 맞춰 첨가하는 단계,
d) 혼합물을 음파처리하면서 리튬 염 형성 온도에서 반응시키는 단계,
e) 고체 개별형 탄소 나노튜브 염을 액체로부터 분리하는 단계, 및
f) 올리빈 결정 구조를 수득하기에 충분한 온도에서 불활성 분위기 하에, 고체 개별형 탄소 나노튜브 염을 건조시키고 어닐링하는 단계
를 포함하는, 리튬 이온 활성 물질의 결정 또는 층이 표면에 부착된 개별형 탄소 나노튜브의 제조 방법. - a) 종횡비 10 내지 500 및 산화 수준 1 중량% 내지 15 중량%의 탄소 나노튜브를 선택하는 단계,
b) 탄소 나노튜브 및 리튬 염을 액체에서 계면활성제와 함께 혼합하는 단계,
c) 액체 탄소 나노튜브/리튬 염 혼합물을 음파처리하는 단계,
d) 고체 염을 액체로부터 분리하는 단계,
e) 올리빈 결정 구조를 수득하기에 충분한 온도에서 불활성 분위기 하에, 부착된 리튬 염을 갖는 고체 개별형 탄소 나노튜브를 건조시키고 어닐링하는 단계
를 포함하는, 리튬 이온 활성 물질의 결정 또는 층이 표면에 부착된 개별형 탄소 나노튜브의 제조 방법. - 리튬 이온 활성 물질의 결정 또는 층이 표면에 부착된 개별형 탄소 나노튜브를 포함하며, 여기서 탄소 나노튜브는 리튬 염에 대한 탄소 나노튜브의 중량비가 0.1% 내지 10%인, 리튬 이온 배터리에 유용한 조성물.
- 리튬 이온 활성 물질의 결정 또는 층이 표면에 부착된 산화된 탄소 나노튜브를 포함하며, 여기서 탄소 나노튜브는 클러스터형성 없이 1 ㎛ 미만의 치수 크기로 균일하게 분산된 것인, 리튬 이온 배터리에 유용한 조성물.
- 리튬 이온 활성 물질의 결정 또는 층이 표면에 부착된 균일하게 분산될 수 있는 산화된 탄소 나노튜브를 포함하는, 리튬 이온 배터리에 유용한 조성물.
- 제12항에 있어서, 리튬 이온 활성 물질의 결정 또는 층이 분산될 수 있는 산화된 탄소 나노튜브의 표면에 화학적으로 부착된 것인 조성물.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201161500560P | 2011-06-23 | 2011-06-23 | |
| US61/500,560 | 2011-06-23 | ||
| PCT/US2012/043534 WO2012177865A1 (en) | 2011-06-23 | 2012-06-21 | Lithium ion batteries using discrete carbon nanotubes, methods for production thereof and products obtained therefrom |
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| Publication Number | Publication Date |
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| KR20140051903A true KR20140051903A (ko) | 2014-05-02 |
| KR102055804B1 KR102055804B1 (ko) | 2019-12-13 |
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| US (4) | US8808909B2 (ko) |
| EP (3) | EP2724403B1 (ko) |
| JP (1) | JP6210980B2 (ko) |
| KR (1) | KR102055804B1 (ko) |
| CN (1) | CN103748712B (ko) |
| CA (1) | CA2839614A1 (ko) |
| ES (1) | ES2955519T3 (ko) |
| HU (1) | HUE063512T2 (ko) |
| IN (1) | IN2014DN00143A (ko) |
| SA (1) | SA112330630B1 (ko) |
| TW (1) | TW201301643A (ko) |
| WO (1) | WO2012177865A1 (ko) |
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| KR102344325B1 (ko) | 2011-08-29 | 2021-12-29 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 리튬 이온 전지용 양극 활물질의 제작 방법 |
| US11479652B2 (en) | 2012-10-19 | 2022-10-25 | Rutgers, The State University Of New Jersey | Covalent conjugates of graphene nanoparticles and polymer chains and composite materials formed therefrom |
| US12460064B2 (en) | 2012-10-19 | 2025-11-04 | Rutgers, The State University Of New Jersey | In situ exfoliation method to fabricate a graphene-reinforced polymer matrix composite |
| CN103112846B (zh) * | 2013-02-06 | 2014-12-10 | 华中科技大学 | 一种石墨烯-碳纳米管-纳米二氧化锡三维复合材料的制备方法及其产品 |
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| EP2724403A1 (en) | 2014-04-30 |
| WO2012177865A1 (en) | 2012-12-27 |
| JP2014523613A (ja) | 2014-09-11 |
| EP4235854A3 (en) | 2023-11-01 |
| EP3139429B1 (en) | 2023-06-07 |
| JP6210980B2 (ja) | 2017-10-11 |
| KR102055804B1 (ko) | 2019-12-13 |
| US10153483B2 (en) | 2018-12-11 |
| SA112330630B1 (ar) | 2016-03-08 |
| TW201301643A (zh) | 2013-01-01 |
| EP4235854A2 (en) | 2023-08-30 |
| ES2955519T3 (es) | 2023-12-04 |
| IN2014DN00143A (ko) | 2015-05-22 |
| EP3139429A1 (en) | 2017-03-08 |
| US9065132B1 (en) | 2015-06-23 |
| US20140154577A1 (en) | 2014-06-05 |
| US20120328946A1 (en) | 2012-12-27 |
| HUE063512T2 (hu) | 2024-01-28 |
| US8808909B2 (en) | 2014-08-19 |
| US20140322610A1 (en) | 2014-10-30 |
| US8968924B2 (en) | 2015-03-03 |
| CN103748712A (zh) | 2014-04-23 |
| EP2724403B1 (en) | 2016-10-05 |
| US20150180029A1 (en) | 2015-06-25 |
| CN103748712B (zh) | 2017-05-17 |
| CA2839614A1 (en) | 2012-12-27 |
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