KR20200029521A - 탄소 촉매, 전지 전극 및 전지 - Google Patents
탄소 촉매, 전지 전극 및 전지 Download PDFInfo
- Publication number
- KR20200029521A KR20200029521A KR1020207003951A KR20207003951A KR20200029521A KR 20200029521 A KR20200029521 A KR 20200029521A KR 1020207003951 A KR1020207003951 A KR 1020207003951A KR 20207003951 A KR20207003951 A KR 20207003951A KR 20200029521 A KR20200029521 A KR 20200029521A
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- South Korea
- Prior art keywords
- catalyst
- carbon
- carbon catalyst
- present
- ratio
- Prior art date
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Abstract
Description
도 1b는, 본 발명의 일 실시형태에 따른 실시예에 있어서, 철의 K 흡수단의 X선 흡수 미세구조 분석을 한 결과의 다른 예를 나타내는 설명도이다.
도 2a는, 본 발명의 일 실시형태에 따른 실시예에 있어서, 탄소 촉매를 평가한 결과의 일례를 나타내는 설명도이다.
도 2b는, 본 발명의 일 실시형태에 따른 실시예에 있어서, 탄소 촉매를 평가한 결과의 다른 예를 나타내는 설명도이다.
도 3은 본 발명의 일 실시형태에 따른 실시예에 있어서 공기전지의 최대출력 밀도를 평가한 결과를 나타내는 설명도이다.
도 4는 본 발명의 일 실시형태에 따른 실시예에 있어서 공기전지의 출력 유지율을 평가한 결과를 나타내는 설명도이다.
Claims (9)
- 탄소 촉매로서,
철을 함유하되,
질소 분위기하에서의 열중량분석에 의해 측정된 200℃ 내지 1200℃의 온도 범위에서의 중량감소율이 12.0중량% 이하를 나타내고, 상기 철의 K 흡수단(K absorption edge)의 X선 흡수 미세구조분석에 있어서 하기 (a) 및/또는 (b)를 나타내는 탄소구조를 포함하는, 탄소 촉매:
(a) 7,110eV에서의 규격화 흡광도(normalized absorbance)에 대한 7,130eV에서의 규격화 흡광도의 비가 7.0 이상임;
(b) 7,110eV에서의 규격화 흡광도에 대한 7,135eV에서의 규격화 흡광도의 비가 7.0 이상임. - 제1항에 있어서, 상기 탄소 촉매는, 전체 세공 용적에 대한 메조세공(mesopore) 용적의 비율이 20% 이상인, 탄소 촉매.
- 제1항 또는 제2항에 있어서, 상기 탄소 촉매는, 유도결합 플라즈마 질량분석에 의해 측정된 상기 철의 함유량이 0.01중량% 이상인, 탄소 촉매.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 탄소 촉매는, 연소법에 기초한 원소분석에 의해 측정된 질소원자 함유량이 1.0중량% 이상을 나타내는, 탄소 촉매.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 탄소 촉매는, 연소법에 기초한 원소분석에 의해 측정된 탄소원자 함유량에 대한 질소원자 함유량의 비율이 1.1% 이상을 나타내는, 탄소 촉매.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 철 이외의 금속을 더 포함하는, 탄소 촉매.
- 제1항 내지 제6항 중 어느 한 항에 있어서, 상기 탄소 촉매는, BET법에 의해 측정된 비표면적이 800 ㎡/g 이상인, 탄소 촉매.
- 제1항 내지 제7항 중 어느 한 항의 탄소 촉매를 포함하는, 전지 전극.
- 제8항의 전지 전극을 포함하는, 전지.
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| WO2014006908A1 (ja) * | 2012-07-06 | 2014-01-09 | パナソニック株式会社 | 炭素系材料、電極触媒、電極、ガス拡散電極、電気化学装置、燃料電池、並びに炭素系材料の製造方法 |
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| WO2015020130A1 (ja) * | 2013-08-08 | 2015-02-12 | ライオン株式会社 | カーボンブラック及びその製造方法、並びに蓄電デバイス及び導電性樹脂組成物 |
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2018
- 2018-07-03 WO PCT/JP2018/025249 patent/WO2019013051A1/ja not_active Ceased
- 2018-07-03 EP EP18831683.0A patent/EP3653294A4/en active Pending
- 2018-07-03 CN CN201880046600.8A patent/CN110891679B/zh active Active
- 2018-07-03 US US16/629,538 patent/US11145876B2/en active Active
- 2018-07-03 JP JP2019517115A patent/JP6553832B2/ja active Active
- 2018-07-03 KR KR1020207003951A patent/KR102688815B1/ko active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007207662A (ja) | 2006-02-03 | 2007-08-16 | Gunma Univ | 燃料電池用電極触媒及びその製造方法並びに該触媒を用いた燃料電池 |
| WO2014006908A1 (ja) * | 2012-07-06 | 2014-01-09 | パナソニック株式会社 | 炭素系材料、電極触媒、電極、ガス拡散電極、電気化学装置、燃料電池、並びに炭素系材料の製造方法 |
| KR20160096908A (ko) * | 2015-02-06 | 2016-08-17 | 고려대학교 산학협력단 | 금속헤테로원소로 기능화된 탄소 구조체 및 이의 제조방법 |
Non-Patent Citations (1)
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| S.-H. Liu et al. / Journal of Power Sources 250 (2014) 279-285 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2019013051A1 (ja) | 2019-07-18 |
| WO2019013051A1 (ja) | 2019-01-17 |
| KR102688815B1 (ko) | 2024-07-26 |
| CN110891679A (zh) | 2020-03-17 |
| CA3069376A1 (en) | 2019-01-17 |
| JP6553832B2 (ja) | 2019-07-31 |
| US11145876B2 (en) | 2021-10-12 |
| EP3653294A1 (en) | 2020-05-20 |
| EP3653294A4 (en) | 2021-04-14 |
| US20200243873A1 (en) | 2020-07-30 |
| CN110891679B (zh) | 2022-12-02 |
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