KR20170132341A - 공기 캐소드 기반의 단일 벽 탄소 나노튜브 - Google Patents
공기 캐소드 기반의 단일 벽 탄소 나노튜브 Download PDFInfo
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- KR20170132341A KR20170132341A KR1020177033733A KR20177033733A KR20170132341A KR 20170132341 A KR20170132341 A KR 20170132341A KR 1020177033733 A KR1020177033733 A KR 1020177033733A KR 20177033733 A KR20177033733 A KR 20177033733A KR 20170132341 A KR20170132341 A KR 20170132341A
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- carbon nanotubes
- metal
- conductive catalyst
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Classifications
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- H—ELECTRICITY
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- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1009—Fuel cells with solid electrolytes with one of the reactants being liquid, solid or liquid-charged
- H01M8/1011—Direct alcohol fuel cells [DAFC], e.g. direct methanol fuel cells [DMFC]
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- H—ELECTRICITY
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
Description
도 2는 본 발명의 실시예에 따른 공기 캐소드의 산소 환원 용량을 시험하기 위한 전지의 상면도 및 하면도를 도시한다.
도 3은 본 발명의 실시예에 따른 공기 캐소드에 대한 크로노암페로메트리(chrono-amperometry)를 도시한다.
도 4는 본 발명의 따라 제시된 pH에서 인가 전위에 따른 전류 밀도를 도시한다.
도 5는 본 발명의 실시예에 따라 제시되는 a) NaCl 전해질과 Al, b) NaCl 전해질과 Mg, c) NaOH 전해질과 Zn, 및 d) H2SO4 전해질과 Zn을 포함하는 금속 애노드에 대한 금속-공기 배터리의 공기 캐소드의 부하를 증가시키는 조건 하에서 두 개의 전지 전류 및 전위를 도시한다.
Claims (24)
- 전기화학 전지로,
액체 전해질; 및
공기 캐소드를 포함하고,
상기 공기 캐소드는,
적어도 하나의 소수성 표면을 갖는 다공성 막; 및
단일 벽 탄소 나노튜브(SWNTs)들 간에 밀접한 전기 접촉을 하는 상기 단일 벽 탄소 나노튜브를 포함하는 전도성 촉매 필름을 포함하며,
상기 전도성 촉매 필름은 상기 다공성 막의 소수성 표면에 접촉하고,
상기 전도성 촉매 필름은 상기 액체 전해질과 직접 접촉하도록 구성되는 것을 특징으로 하는 전기화학 전지. - 제 1 항에 있어서,
상기 다공성 막은 소수성 폴리머, 세라믹 또는 유리를 포함하는 것을 특징으로 하는 전기화학 전지. - 제 2 항에 있어서,
상기 소수성 폴리머는 폴리테트라플루오로에틸렌, 폴리비닐리덴 플루오라이드, 폴리에틸렌, 폴리프로필렌, 임의의 폴리아미드, 임의의 폴리설폰, 또는 퍼플루오로알킬 측쇄를 갖는 폴리올레핀을 포함하는 것을 특징으로 하는 전기화학 전지. - 제 1 항에 있어서,
상기 단일 벽 탄소 나노튜브(SWNTs)들은 전하이동 도판트(dopant) 또는 치환 도판트에 의해 도핑되는(doped) 것을 특징으로 하는 전기화학 전지. - 제 4 항에 있어서,
상기 도판트는 흑연 인터칼레이트(intercalate)를 포함하는 것을 특징으로 하는 전기화학 전지. - 제 4 항에 있어서,
상기 치환 도판트는 붕소 또는 질소인 것을 특징으로 하는 전기화학 전지. - 제 1 항에 있어서,
상기 전도성 촉매 필름은 플러렌 또는 플러렌 유도체를 더 포함하는 것을 특징으로 하는 전기화학 전지. - 제 1 항에 있어서,
상기 전도성 촉매 필름은 귀금속 촉매를 포함하지 않는 것을 특징으로 하는 전기화학 전지. - 제 1 항에 있어서,
상기 전도성 촉매 필름은 콘쥬게이션된(conjugated) 폴리머를 더 포함하는 것을 특징으로 하는 전기화학 전지. - 제 9 항에 있어서,
상기 콘쥬게이션된 폴리머는 점성 풋 폴리머(sticky foot polymer)를 포함하는 것을 특징으로 하는 전기화학 전지. - 제 10 항에 있어서,
상기 점성 풋 폴리머는 단일 벽 탄소 나노튜브(SWNTs)의 소수성도를 변형시키는 팬던트(pendant) 치환체를 더 포함하는 것을 특징으로 하는 전기화학 전지. - 제 1 항에 있어서,
상기 다공성 막은 평평하지 않은 표면 형태를 가지고, 상기 전도성 촉매 필름은 상기 표면 형태에 합치하는 것을 특징으로 하는 전기화학 전지. - 제 1 항에 있어서,
상기 전도성 촉매 필름은 10 내지 20,000 nm 두께인 것을 특징으로 하는 전기화학 전지. - 제 1 항에 있어서,
상기 공기 캐소드는 마이크론 크기의 지름을 갖는 전도성 탄소 섬유를 더 포함하는 것을 특징으로 하는 전기화학 전지. - 제 1 항에 있어서,
단일 벽 탄소 나노튜브(SWNTs)와 직접 접촉하고 상기 전도성 촉매 필름의 일부를 외부 회로에 전기적으로 연결하는 금속 전극을 더 포함하는 것을 특징으로 하는 전기화학 전지. - 제 15 항에 있어서,
상기 전도성 촉매 필름에 대해 압력을 가하고, 액체 전해질에 경계가 형성되도록 구성되는 밀봉부를 더 포함하고,
상기 금속 전극은 상기 밀봉부의 경계 외측에 배치되는 것을 특징으로 하는 전기화학 전지. - 제 1 항에 있어서,
연료가 산화되는 애노드를 더 포함하고,
상기 연료는 수소, 탄화수소 또는 알콜을 포함하는 것을 특징으로 하는 전기화학 전지. - 액체 전해질;
공기 캐소드; 및
애노드를 포함하는 금속을 포함하고,
상기 공기 캐소드는,
적어도 하나의 소수성 표면을 갖는 다공성 막; 및
단일 벽 탄소 나노튜브(SWNTs)들 간에 밀접한 전기 접촉을 하는 상기 단일 벽 탄소 나노튜브를 포함하는 전도성 촉매 필름을 포함하며,
상기 전도성 촉매 필름은 상기 다공성 막의 소수성 표면에 접촉하고,
상기 전도성 촉매 필름은 상기 액체 전해질과 직접 접촉하도록 구성되는 것을 특징으로 하는 금속-공기 배터리. - 제 18 항에 있어서,
상기 금속은 티타늄, 아연, 알루미늄, 마그네슘 또는 리튬을 포함하는 것을 특징으로 하는 금속-공기 배터리. - 공기 캐소드를 마련하는 방법으로,
적어도 하나의 소수성 표면을 갖는 다공성 막을 제공하는 단계;
상기 다공성 막을 통해 여과함으로써 복수의 단일 벽 탄소나노튜브(SWNTs)들을 포함하는 현탁액을 증착하는 단계로, 상기 단일 벽 탄소나노튜브(SWNTs)들의 균일한 필름이 상기 소수성 표면의 표면 형태와 합치하는, 단계; 및
상기 단일 벽 탄소나노튜브(SWNTs)들의 균일한 필름을 용제로 세척하는 단계로, 상기 단일 벽 탄소나노튜브(SWNTs)들 사이의 밀접한 전기적 접촉이 전도성 촉매 필름을 야기하는, 단계를 포함하고,
상기 전도성 촉매 필름은 액체 전해질과 직접 접촉하도록 구성되는 것을 특징으로 하는 방법. - 제 20 항에 있어서,
상기 단일 벽 탄소나노튜브(SWNTs)들과 직접 접촉하는 금속 전극을 형성하는 단계를 더 포함하는 공기 캐소드를 마련하는 방법. - 평평하지 않은 표면 형태를 갖는 다공성 막을 형성하는 방법으로,
폴리머, 하나 이상의 용제 및 하나 이상의 비-용제를 포함하는 액체 폴리머 도프(dope)를 제공하는 단계;
고체 표면 위로 상기 액체 폴리머 도프를 캐스트성형(casting)하고 레벨링(leveling)하는 단계;
상기 용제 및 비-용제를 증발시키는 단계;
상기 고체 표면으로부터 다공성 막을 제거하는 단계;
상기 다공성 막의 평평하지 않은 표면 형태에 합치하도록 단일 벽 탄소 나노튜브(SWNTs)의 균일한 필름을 증착하는 단계; 및
상기 단일 벽 탄소 나노튜브(SWNTs)의 균일한 필름에 직접 물리적으로 접촉하는 금속 전극을 형성하는 단계를 포함하고,
상기 증발시키는 단계에서, 상 분리는 증발하는 동안 상기 폴리머 사이에서 발생하며, 상기 다공성 막은 적어도 하나의 다공성 막 표면상에 피트(pit) 및/또는 돌출 형상을 갖는 것을 특징으로 하는 다공성 막을 형성하는 방법. - 제 22 항에 있어서,
피트 및/또는 돌출부를 갖는 상기 막 표면은 용제 및 비-용제가 증발되는 상기 고체 표면에 마주하는 표면인 것을 특징으로 하는 다공성 막을 형성하는 방법. - 제 22 항에 있어서,
상기 고체 표면은 돌출부 및/또는 피트를 포함하는 형판을 포함하고, 적어도 하나의 막 표면은 상기 고체 표면에 인접한 표면인 것을 특징으로 하는 다공성 막을 형성하는 방법.
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- 2010-04-22 CA CA2759947A patent/CA2759947A1/en not_active Abandoned
- 2010-04-22 CN CN201080019198.8A patent/CN102439783B/zh not_active Expired - Fee Related
- 2010-04-22 EP EP10770141.9A patent/EP2425486A4/en not_active Withdrawn
- 2010-04-22 SG SG2011075124A patent/SG175230A1/en unknown
- 2010-04-22 AU AU2010241865A patent/AU2010241865B2/en not_active Expired - Fee Related
- 2010-04-22 WO PCT/US2010/031995 patent/WO2010126767A2/en active Application Filing
- 2010-04-22 KR KR1020177033733A patent/KR20170132341A/ko not_active Application Discontinuation
- 2010-04-22 RU RU2011137967/07A patent/RU2011137967A/ru not_active Application Discontinuation
- 2010-04-22 MX MX2011011501A patent/MX2011011501A/es active IP Right Grant
- 2010-04-22 JP JP2012508540A patent/JP5723870B2/ja not_active Expired - Fee Related
- 2010-04-22 US US13/265,976 patent/US10115972B2/en active Active
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- 2010-04-22 KR KR1020117028384A patent/KR20120023715A/ko active Application Filing
Also Published As
Publication number | Publication date |
---|---|
CA2759947A1 (en) | 2010-11-04 |
EP2425486A4 (en) | 2017-05-03 |
CN102439783A (zh) | 2012-05-02 |
RU2011137967A (ru) | 2013-06-10 |
AU2010241865A1 (en) | 2011-10-13 |
AU2010241865B2 (en) | 2014-07-10 |
EP2425486A2 (en) | 2012-03-07 |
WO2010126767A8 (en) | 2011-01-06 |
WO2010126767A2 (en) | 2010-11-04 |
JP5723870B2 (ja) | 2015-05-27 |
US20120115049A1 (en) | 2012-05-10 |
BRPI1014769A2 (pt) | 2017-07-18 |
WO2010126767A3 (en) | 2011-02-17 |
CN102439783B (zh) | 2017-09-08 |
JP2012525682A (ja) | 2012-10-22 |
SG175230A1 (en) | 2011-11-28 |
US10115972B2 (en) | 2018-10-30 |
MX2011011501A (es) | 2011-11-18 |
KR20120023715A (ko) | 2012-03-13 |
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