KR20170135564A - 표면이 부분적으로 개방된 탄소나노튜브의 제조방법 - Google Patents
표면이 부분적으로 개방된 탄소나노튜브의 제조방법 Download PDFInfo
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Abstract
Description
도 2은 도 1의 제조 방법에 따라 제조된 표면이 부분적으로 개방된 탄소나노튜브의 다른 배율로 확인된 (a) 저배율 및 (b) 고배율의 TEM 이미지이다.
도 3은 도 1의 제조 방법에 의해 제조된 표면이 부분적으로 개방된 탄소나노튜브의 XPS C1S peak을 deconvolution하여 분석한 결과이다.
도 4는 도 1의 제조 방법에 따라 제조된 표면이 부분적으로 개방된 탄소나노튜브의 BET isotherm과 측정된 비표면적과 기공의 부피 결과이다.
도 5는 도 1의 제조 방법에 의해 제조된 표면이 부분적으로 개방된 탄소나노튜브를 리튬-황전지의 양극 물질인 황 담지체로 활용하였을 때, 배터리의 성능을 나타난 그래프이다.
도 6는 도 1의 제조 방법에 의해 제조된 표면이 부분적으로 개방된 탄소나노튜브를 수소저장물질로 활용하였을 때 수소저장능을 나타난 그래프이다.
| 비표면적 (m2/g) |
기공의 부피 (cm3/g) |
|
| 산처리된 탄소나노튜브 | 51.0 | 0.20 |
| 표면이 부분적으로 개방된 탄소나노튜브 | 473.2 | 1.15 |
Claims (13)
- a) 탄소나노튜브를 산처리하여, 상기 탄소나노튜브의 표면이 부분적으로 산화된 산화 탄소나노튜브를 형성하는 단계; 및
b) 상기 산화 탄소나노튜브를 염기성 용액에 분산시켜, 상기 탄소나노튜브의 표면을 부분적으로 개방시키는 단계를 포함하는 표면이 부분적으로 개방된 탄소나노튜브의 제조방법. - 제1 항에 있어서,
상기 산처리는 상기 탄소나노튜브를 산성용액에 침지시켜 수행하되,
상기 산성용액은 질산(HNO3), 염산(HCl), 황산(H2SO4), 인산(H3PO4) 및 이들의 혼합 중 어느 하나를 포함하는 표면이 부분적으로 개방된 탄소나노튜브의 제조방법. - 제2 항에 있어서,
상기 산성용액이 황산(H2SO4)과 질산(HNO3)의 혼합을 포함할 경우,
상기 황산(H2SO4)과 질산(HNO3)의 부피비는 1:1 내지 4:1인 표면이 부분적으로 개방된 탄소나노튜브의 제조방법. - 제2 항에 있어서,
상기 산처리는 60℃ 내지 120℃의 온도 분위기에서 수행되는 표면이 부분적으로 개방된 탄소나노튜브의 제조방법. - 제2 항에 있어서,
상기 산처리는 1시간 내지 6시간동안 수행되는 표면이 부분적으로 개방된 탄소나노튜브의 제조방법. - 제1 항에 있어서,
상기 염기성 용액은 염기성 물질을 포함하되,
상기 염기성 물질은 수산화나트륨(NaOH), 수산화칼륨(KOH), 수산화바륨(Ba(OH)2), ZnCl2, NaCl, CaCl2, MgCl2-6H2O, Na2CO3, K2CO3, KCl 및 이들의 혼합중 어느 하나인 탄소나노튜브의 제조방법. - 제6 항에 있어서,
상기 b)단계는 800℃ 내지 1000℃의 온도 분위기에서 수행되는 표면이 부분적으로 개방된 탄소나노튜브의 제조방법. - 제6 항에 있어서,
상기 b)단계는 1시간 내지 6시간동안 수행되는 표면이 부분적으로 개방된 탄소나노튜브의 제조방법. - 제1 항에 있어서,
상기 탄소나노튜브의 표면이 부분적으로 개방될 때,
개방된 상기 표면 주변에 그래핀 나노리본 형상이 위치하는표면이 부분적으로 개방된 탄소나노튜브의 제조방법. - 제1 항에 있어서,
상기 탄소나노튜브는 다중벽 또는 단일벽 구조인 표면이 부분적으로 개방된 탄소나노튜브의 제조방법. - 제1항 내지 제10항중 어느 한 항에 의해 제조된 표면이 부분적으로 개방된 탄소나노튜브.
- 제1항 내지 제10항중 어느 한 항에 의해 제조된 표면이 부분적으로 개방된 탄소나노튜브를 포함하는 이차전지의 활물질 담지체.
- 제1항 내지 제10항중 어느 한 항에 의해 제조된 표면이 부분적으로 개방된 탄소나노튜브를 포함하는 수소저장용 저장체.
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020160067686A KR20170135564A (ko) | 2016-05-31 | 2016-05-31 | 표면이 부분적으로 개방된 탄소나노튜브의 제조방법 |
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| KR1020160067686A KR20170135564A (ko) | 2016-05-31 | 2016-05-31 | 표면이 부분적으로 개방된 탄소나노튜브의 제조방법 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111807350A (zh) * | 2020-06-15 | 2020-10-23 | 上海大学 | 端部开口的短碳纳米管的制备方法 |
| US20220367875A1 (en) * | 2019-10-31 | 2022-11-17 | Zeon Corporation | Paste for secondary battery, slurry for secondary battery positive electrode, positive electrode for secondary battery, secondary battery, and method of producing paste for secondary battery |
| US20220407076A1 (en) * | 2019-10-31 | 2022-12-22 | Zeon Corporation | Paste for secondary battery, slurry for secondary battery positive electrode, positive electrode for secondary battery, secondary battery, and method of producing paste for secondary battery |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220367875A1 (en) * | 2019-10-31 | 2022-11-17 | Zeon Corporation | Paste for secondary battery, slurry for secondary battery positive electrode, positive electrode for secondary battery, secondary battery, and method of producing paste for secondary battery |
| US20220407076A1 (en) * | 2019-10-31 | 2022-12-22 | Zeon Corporation | Paste for secondary battery, slurry for secondary battery positive electrode, positive electrode for secondary battery, secondary battery, and method of producing paste for secondary battery |
| EP4053209A4 (en) * | 2019-10-31 | 2024-11-13 | Zeon Corporation | PASTE FOR RECHARGEABLE BATTERIES, CONCENTRATED SUSPENSION FOR POSITIVE ELECTRODES OF RECHARGEABLE BATTERY, POSITIVE ELECTRODE FOR RECHARGEABLE BATTERIES, RECHARGEABLE BATTERY AND PROCESS FOR PRODUCING PASTE FOR RECHARGEABLE BATTERIES |
| US12469852B2 (en) * | 2019-10-31 | 2025-11-11 | Zeon Corporation | Paste for secondary battery, slurry for secondary battery positive electrode, positive electrode for secondary battery, secondary battery, and method of producing paste for secondary battery |
| US12531246B2 (en) * | 2019-10-31 | 2026-01-20 | Zeon Corporation | Paste for secondary battery, slurry for secondary battery positive electrode, positive electrode for secondary battery, secondary battery, and method of producing paste for secondary battery |
| CN111807350A (zh) * | 2020-06-15 | 2020-10-23 | 上海大学 | 端部开口的短碳纳米管的制备方法 |
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| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-3-3-R10-R18-oth-X000 |