KR20170114870A - 금 나노 클러스터와 금 나노 기반의 합금 클러스터를 이용한 이산화탄소의 전기화학적 전환 및 합성가스의 제조방법 - Google Patents
금 나노 클러스터와 금 나노 기반의 합금 클러스터를 이용한 이산화탄소의 전기화학적 전환 및 합성가스의 제조방법 Download PDFInfo
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Abstract
Description
도 2는 (a) Au25(C6S)18 금 나노 클러스터 및 (b) PtAu24(C6S)18 금 나노 기반의 합금 클러스터의 질량 분석 그래프를 도시한 것이다.
도 3은 (a) Au25(C6S)18 금 나노 클러스터 및 (b) PtAu24(C6S)18 금 나노 기반의 합금 클러스터의 트라이클로로에틸렌(trichloroethylene) 용액상 자외선-가시광선-근적외선(UV-Vis-NIR) 흡수 스펙트럼을 도시한 것이다.
도 4는 구형파 볼타모그람(the Square-Wave Boltammogram, SWV)을 통하여 (a) Au25(C6S)18 금 나노 클러스터 및 (b) PtAu24(C6S)18 금 나노 기반의 합금 클러스터의 산화, 환원 피크를 분석한 그래프를 도시한 것이다.
도 5는 이산화탄소의 전기화학적 전환 반응에 사용된 H-형 셀(반응기)의 구성을 도시한 것이다.
도 6은 Au25(C6S)18 및 PtAu24(C6S)18를 포함하는 촉매를 기반으로 한 카본블랙 및 나피온 복합체 전극(Au25(C6S)18-PtAu24(C6S)18/카본블랙/나피온 복합체 전극)을 사용하여 발생한 일산화탄소와 수소의 생성비를 조절한 그래프를 도시한 것이다.
| Au25(C6S)18 : PtAu24(C6S)18 |
| 2:1 |
| 1:2 |
| 0:1 |
| Au25(C6S)18 : PtAu24(C6S)18 | CO : H2 |
| 2:1 | 1:2 |
| 1:2 | 1:3 |
| 0:1 | 1:4 |
Claims (9)
- Au25(C6S)18 및 PtAu24(C6S)18를 포함하는 촉매를 이용하여 이산화탄소로부터 일산화탄소 및 수소를 포함하는 합성가스를 제조하는 방법.
- 제1항에 있어서,
이산화탄소로부터 일산화탄소 및 수소를 포함하는 합성가스를 제조하는 반응식은 아래와 같고,
[반응식]
CO2 + H2O(aq) CO + H2 + O2
상기 Au25(C6S)18는 일산화탄소를 생성하는 반응을 촉진하며,
상기 PtAu24(C6S)18는 수소를 생성하는 반응을 촉진하는 것을 특징으로 하는 합성가스를 제조하는 방법.
- 제2항에 있어서,
상기 Au25(C6S)18 및 상기 PtAu24(C6S)18의 조성비 조절을 통하여 제조되는 합성가스 내의 일산화탄소 및 수소의 생성비를 조절하는 것을 특징으로 하는 합성가스를 제조하는 방법.
- 제3항에 있어서,
상기 합성가스 내의 일산화탄소 및 수소의 생성비는 1:1.2 내지 1:4인 것을 특징으로 하는 합성가스를 제조하는 방법.
- 제2항에 있어서,
상기 이산화탄소로부터 일산화탄소 및 수소를 포함하는 합성가스를 제조하는 방법은 수용액 상에서 이루어지는 것을 특징으로 하는 합성가스를 제조하는 방법.
- 이산화탄소로부터 일산화탄소 및 수소를 포함하는 합성가스를 제조하는 데에 이용되는 Au25(C6S)18 및 PtAu24(C6S)18를 포함하는 촉매에 있어서,
상기 Au25(C6S)18 및 상기 PtAu24(C6S)18의 조성비는 1:0.5~2인 것을 특징으로 하는 촉매.
- 이산화탄소로부터 일산화탄소 및 수소를 포함하는 합성가스를 제조하는 데에 이용되는 전극에 있어서,
Au25(C6S)18 및 PtAu24(C6S)18를 포함하는 촉매, 카본블랙 및 나피온을 포함하는 것을 특징으로 하는 전극.
- 제7항에 있어서,
상기 촉매 및 카본블랙의 무게비는 1:1인 것을 특징으로 하는 수소 기체 발생용 전극.
- PtAu24(C6S)18 촉매를 이용하여 이산화탄소로부터 일산화탄소 및 수소를 포함하는 합성가스를 제조하는 방법.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200026149A (ko) | 2018-08-30 | 2020-03-10 | 한국화학연구원 | 이산화탄소의 전기화학적 전환으로 생산되는 일산화탄소와 수소의 비율을 조절하는 방법 |
| KR20200048688A (ko) * | 2018-10-30 | 2020-05-08 | 연세대학교 산학협력단 | 금속 나노클러스터가 고정된 기체확산 전극, 이를 포함하는 흐름 전해조 및 이산화탄소 전환 시스템 |
| WO2020218875A1 (ko) * | 2019-04-26 | 2020-10-29 | 연세대학교 산학협력단 | 산소 및 수소 발생 반응용 니켈 나노클러스터 이중기능성 촉매, 및 이의 제조방법 |
| KR20200125169A (ko) * | 2019-04-26 | 2020-11-04 | 연세대학교 산학협력단 | 이산화탄소 전환용 나노클러스터 촉매와 이의 제조방법 |
| KR20200125506A (ko) * | 2019-04-26 | 2020-11-04 | 연세대학교 산학협력단 | 이종금속 원자가 도핑된 금 나노클러스터 자성체 및 이의 제조 방법 |
| CN112442706A (zh) * | 2020-11-06 | 2021-03-05 | 四川大学 | 电催化还原co2的负载型金铂合金电极及其制备方法 |
| KR20210061496A (ko) * | 2019-11-19 | 2021-05-28 | 서울대학교산학협력단 | 금속 나노 클러스터 촉매 및 그 제조 방법, 금속 나노 클러스터 촉매를 이용한 요소 합성 방법, 및 금속 나노 클러스터 촉매를 포함하는 전기 화학 시스템 |
| JPWO2022118612A1 (ko) * | 2020-12-02 | 2022-06-09 | ||
| KR20230073949A (ko) * | 2021-11-19 | 2023-05-26 | 연세대학교 산학협력단 | 금속 나노클러스터를 포함하는 이산화탄소 전환용 제로갭 반응기, 이를 이용하는 이산화탄소의 전환방법 |
| US12595572B2 (en) | 2018-04-25 | 2026-04-07 | The University Of British Columbia | Systems and methods for electrochemical generation of syngas and other useful chemicals |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12595572B2 (en) | 2018-04-25 | 2026-04-07 | The University Of British Columbia | Systems and methods for electrochemical generation of syngas and other useful chemicals |
| KR20200026149A (ko) | 2018-08-30 | 2020-03-10 | 한국화학연구원 | 이산화탄소의 전기화학적 전환으로 생산되는 일산화탄소와 수소의 비율을 조절하는 방법 |
| KR20200048688A (ko) * | 2018-10-30 | 2020-05-08 | 연세대학교 산학협력단 | 금속 나노클러스터가 고정된 기체확산 전극, 이를 포함하는 흐름 전해조 및 이산화탄소 전환 시스템 |
| WO2020218875A1 (ko) * | 2019-04-26 | 2020-10-29 | 연세대학교 산학협력단 | 산소 및 수소 발생 반응용 니켈 나노클러스터 이중기능성 촉매, 및 이의 제조방법 |
| KR20200125169A (ko) * | 2019-04-26 | 2020-11-04 | 연세대학교 산학협력단 | 이산화탄소 전환용 나노클러스터 촉매와 이의 제조방법 |
| KR20200125506A (ko) * | 2019-04-26 | 2020-11-04 | 연세대학교 산학협력단 | 이종금속 원자가 도핑된 금 나노클러스터 자성체 및 이의 제조 방법 |
| KR20210061496A (ko) * | 2019-11-19 | 2021-05-28 | 서울대학교산학협력단 | 금속 나노 클러스터 촉매 및 그 제조 방법, 금속 나노 클러스터 촉매를 이용한 요소 합성 방법, 및 금속 나노 클러스터 촉매를 포함하는 전기 화학 시스템 |
| CN112442706A (zh) * | 2020-11-06 | 2021-03-05 | 四川大学 | 电催化还原co2的负载型金铂合金电极及其制备方法 |
| JPWO2022118612A1 (ko) * | 2020-12-02 | 2022-06-09 | ||
| WO2022118612A1 (ja) * | 2020-12-02 | 2022-06-09 | 石福金属興業株式会社 | 金担持カーボン触媒およびその製造方法 |
| KR20230073949A (ko) * | 2021-11-19 | 2023-05-26 | 연세대학교 산학협력단 | 금속 나노클러스터를 포함하는 이산화탄소 전환용 제로갭 반응기, 이를 이용하는 이산화탄소의 전환방법 |
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