KR20220136465A - 알칼리 수전해 방법 및 알칼리 수전해용 애노드 - Google Patents
알칼리 수전해 방법 및 알칼리 수전해용 애노드 Download PDFInfo
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Abstract
금속 수산화물과 유기물과의 복합체의 하이브리드 수산화니켈·철 나노시트(NiFe-ns)를 포함하는 촉매를 분산시킨 전해액을, 애노드실과 캐소드실에 공급하고, 각 실에서의 전해에 공통으로 이용하는 알칼리 수전해 방법, NiFe-ns를 포함하는 촉매를 분산시킨 전해액을 애노드실과 캐소드실에 공급하고, 운전 중에, NiFe-ns의 전해 석출을 전해 셀 내에서 행하고, 산소 발생용 애노드의 표면에 촉매층을 형성하여 이루어지는 도전성 기체의 표면에, NiFe-ns를 전해 석출시키고, 전해 성능을 회복, 향상시키는 알칼리 수전해 방법 및, 알칼리 수전해용 애노드.
Description
도 2는 본 발명에서 사용하는 촉매 성분의, 삼각형 배위자(tripodal ligand)를 갖는 층 형상의 NiFe-Tris-NH2 분자 구조의 일 예를 나타내는 도면이다.
도 3은 본 발명에서 사용하는 산소 발생용 애노드의 도전성 기체의 표면에 있어서의, 층 형상 구조의 촉매층의 제법예와 조성, 구조식을 나타내는 도면이다.
도 4는 검토예 1에서의 전위 사이클에 있어서의 샘플의 전류-전위 변화(활성 변화)를 나타내는 그래프이다.
도 5는 검토예 1, 비교 검토예 1의 전해 특성의 변화를 나타내는 그래프이다.
도 6은 검토예 2, 비교 검토예 2의 전해 특성의 변화를 나타내는 그래프이다.
4: 중간층
6: 촉매층
10: 알칼리 수전해용 애노드
Claims (6)
- 금속 수산화물과 유기물과의 복합체의 하이브리드 수산화니켈·철 나노시트(NiFe-ns)를 포함하여 이루어지는 촉매를 분산시킨 전해액을, 전해 셀을 구성하는 애노드실과 캐소드실에 공급하여, 각 실에서의 전해에 공통으로 이용하는 것을 특징으로 하는 알칼리 수전해 방법.
- 금속 수산화물과 유기물과의 복합체의 하이브리드 수산화니켈·철 나노시트(NiFe-ns)를 포함하여 이루어지는 촉매를 분산시킨 전해액을, 전해 셀을 구성하는 애노드실과 캐소드실에 공급하여, 각 실에서의 전해에 공통으로 이용하고, 운전 중에, 상기 NiFe-ns의 전해 석출을 상기 전해 셀 내에서 행하고, 산소 발생용 애노드를 구성하는 표면에 촉매층을 형성하여 이루어지는 도전성 기체의 표면에, 상기 NiFe-ns를 전해 석출시킴으로써, 전해 성능을 회복, 향상시키는 것을 특징으로 하는 알칼리 수전해 방법.
- 제1항 또는 제2항에 있어서,
상기 NiFe-ns가, 10∼100㎚의 크기의 층 형상의 분자 구조를 갖는 알칼리 수전해 방법. - 제2항 또는 제3항에 있어서,
상기 NiFe-ns를 도전성 기체의 표면에 전해 석출시키는 조건이, 상기 도전성 기체를, 1.2V∼1.8V vs. RHE의 전위 범위로 보존 유지하는 것인 알칼리 수전해 방법. - 제1항 내지 제4항 중 어느 한 항에 있어서,
상기 NiFe-ns를 분산시킨 전해액으로서, 농도가 10∼100g/L인 NiFe-ns 분산액을 이용하여, 당해 NiFe-ns 분산액의 전해액으로의 첨가 농도가 0.1∼5mL/L의 범위 내가 되도록 조제한 것을 이용하는 알칼리 수전해 방법. - 표면이 니켈 또는 니켈기 합금으로 이루어지는 도전성 기체와,
상기 도전성 기체의 표면상에 형성된, 조성식 LixNi2-xO2(0.02≤x≤0.5)로 나타나는 리튬 함유 니켈 산화물로 이루어지는 중간층과,
상기 중간층의 표면상에 형성된, 금속 수산화물과 유기물과의 복합체의 하이브리드 수산화니켈·철 나노시트(NiFe-ns)를 포함하여 이루어지는 촉매층
을 구비하여 이루어지는 산소 발생을 행하는 것을 특징으로 하는 알칼리 수전해용 애노드.
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| Application Number | Priority Date | Filing Date | Title |
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| JP2020039838A JP7474436B2 (ja) | 2020-03-09 | 2020-03-09 | アルカリ水電解方法及びアルカリ水電解用アノード |
| JPJP-P-2020-039838 | 2020-03-09 | ||
| PCT/JP2021/008958 WO2021182385A1 (ja) | 2020-03-09 | 2021-03-08 | アルカリ水電解方法及びアルカリ水電解用アノード |
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| KR20220136465A true KR20220136465A (ko) | 2022-10-07 |
| KR102529087B1 KR102529087B1 (ko) | 2023-05-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20240171873A (ko) | 2023-05-31 | 2024-12-09 | 울산과학기술원 | 음이온교환막을 이용한 촉매층 형성방법 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113981469A (zh) * | 2021-11-04 | 2022-01-28 | 武汉工程大学 | 一种有机配体修饰的过渡金属层状氢氧化物电催化材料及其制备方法与应用 |
| WO2023095406A1 (ja) * | 2021-11-25 | 2023-06-01 | デノラ・ペルメレック株式会社 | アルカリ水電解方法及びアルカリ水電解用アノード |
| TWI823219B (zh) * | 2021-12-29 | 2023-11-21 | 財團法人工業技術研究院 | 陽極觸媒材料與電解水產氫裝置 |
| CN114774958B (zh) * | 2022-04-20 | 2023-07-07 | 天津大学 | 一种耐腐蚀性的镍铁电极及其制备方法和应用 |
| WO2024057716A1 (ja) * | 2022-09-16 | 2024-03-21 | パナソニックIpマネジメント株式会社 | 水電解用電極、水電解用アノード、水電解用カソード、水電解セル、水電解装置、及び水電解用電極の製造方法 |
| WO2024057717A1 (ja) * | 2022-09-16 | 2024-03-21 | パナソニックIpマネジメント株式会社 | 水電解用電極、水電解セル、水電解装置、及び水電解用電極の製造方法 |
| CN116288512A (zh) * | 2023-03-06 | 2023-06-23 | 三一氢能有限公司 | 一种碱性水电解制氢用阳极及其制备方法和应用 |
| WO2024262047A1 (ja) | 2023-06-23 | 2024-12-26 | パナソニックIpマネジメント株式会社 | 水電解用電極、水電解セル、水電解装置、及び水電解用電極の製造方法 |
| WO2024262045A1 (ja) | 2023-06-23 | 2024-12-26 | パナソニックIpマネジメント株式会社 | 水電解セル用電極、水電解セル、水電解装置、及び水電解セル用電極の製造方法 |
| CN121368649A (zh) * | 2023-06-23 | 2026-01-20 | 松下知识产权经营株式会社 | 电解水电极、电解水阳极、电解水阴极、电解水单元、电解水装置、以及电解水电极的制造方法 |
| WO2025023820A1 (en) * | 2023-07-24 | 2025-01-30 | Petroliam Nasional Berhad (Petronas) | Electrocatalytic coating |
| CN119608168B (zh) * | 2024-12-09 | 2025-11-18 | 中国石油化工股份有限公司 | 一种镍基催化剂及其制备方法和应用 |
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2021
- 2021-03-08 KR KR1020227032977A patent/KR102529087B1/ko active Active
- 2021-03-08 CA CA3170908A patent/CA3170908C/en active Active
- 2021-03-08 WO PCT/JP2021/008958 patent/WO2021182385A1/ja not_active Ceased
- 2021-03-08 US US17/905,232 patent/US11692276B2/en active Active
- 2021-03-08 CN CN202180019634.XA patent/CN115244220B/zh active Active
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| KR20160072188A (ko) * | 2013-10-29 | 2016-06-22 | 고쿠리츠다이가쿠호진 요코하마 고쿠리츠다이가쿠 | 알칼리 수전해용 양극 및 그의 제조 방법 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20240171873A (ko) | 2023-05-31 | 2024-12-09 | 울산과학기술원 | 음이온교환막을 이용한 촉매층 형성방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4119700A4 (en) | 2024-05-22 |
| JP2021139027A (ja) | 2021-09-16 |
| CA3170908C (en) | 2023-04-18 |
| US11692276B2 (en) | 2023-07-04 |
| US20230109702A1 (en) | 2023-04-13 |
| CN115244220A (zh) | 2022-10-25 |
| EP4119700A1 (en) | 2023-01-18 |
| CN115244220B (zh) | 2023-09-08 |
| KR102529087B1 (ko) | 2023-05-03 |
| EP4119700B1 (en) | 2025-05-21 |
| JP7474436B2 (ja) | 2024-04-25 |
| CA3170908A1 (en) | 2021-09-16 |
| EP4119700C0 (en) | 2025-05-21 |
| WO2021182385A1 (ja) | 2021-09-16 |
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