KR20220158061A - 전극을 제조하기 위한 금속 기판의 처리 방법 - Google Patents
전극을 제조하기 위한 금속 기판의 처리 방법 Download PDFInfo
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- C25B11/055—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the substrate or carrier material
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- C25B11/073—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material
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Abstract
(a) 10 내지 40%의 중량 농도의, 염산, 질산, 붕산 및 황산으로부터 선택되는 전해질에 상기 금속 기판 및 적어도 하나의 상대 전극을 침지하는 단계 및
(b) 0.5 내지 120분의 시간 동안 0.1 내지 30A/dm2의 애노드 전류 밀도를 상기 금속 기판에 인가하는 단계를 포함하는 금속 기판의 표면 처리 방법에 관한 것이다. 본 발명은 또한, 전기화학적 공정에서 상응하여 처리된 기판으로부터 얻어지는 가스 발생용 전극에 관한 것이다.
Description
Claims (14)
- 전기화학적 공정에서 전극 지지체로서 사용하기에 적합한 금속 기판의 표면 처리 방법으로서
(a) 10 내지 40%의 중량 농도의, 염산, 질산, 붕산 및 황산으로부터 선택되는 전해질에 상기 금속 기판 및 적어도 하나의 상대 전극을 침지하는 단계 및
(b) 0.5 내지 120분의 시간 동안 0.1 내지 30A/dm2의 애노드 전류 밀도를 상기 금속 기판에 인가하는 단계를 포함하는, 금속 기판의 표면 처리 방법. - 제1항에 있어서, 상기 금속 기판이 메쉬 또는 천공된 또는 팽창된 시트인, 금속 기판의 표면 처리 방법.
- 제1항 또는 제2항에 있어서, 상기 금속 기판의 두께가 1.2mm 미만인, 금속 기판의 표면 처리 방법.
- 제3항에 있어서, 상기 금속 기판의 두께가 0.5mm 이하인, 금속 기판의 표면 처리 방법.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 금속 기판이 니켈, 니켈 합금, 구리 또는 강으로부터 선택되는, 금속 기판의 표면 처리 방법.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 인가된 애노드 전류 밀도가 5 내지 10A/dm2인, 금속 기판의 표면 처리 방법.
- 제6항에 있어서, 상기 애노드 전류 밀도의 인가 시간이 2 내지 10분인, 금속 기판의 표면 처리 방법.
- 제1항 내지 제7항 중 어느 한 항에 있어서, 상기 전해질의 중량 농도가 15 내지 30%인, 금속 기판의 표면 처리 방법.
- 제1항 내지 제8항 중 어느 한 항에 있어서, 상기 금속 기판이 니켈 또는 니켈 합금이고, 상기 방법이, 단계 (b)에 후속하여, 니켈 염을 150 내지 300g/l의 중량 농도로 상기 전해질에 첨가하고 상기 금속 기판에 대해 15 내지 70℃의 온도에서 0.5 내지 120분 동안 0.1 내지 3A/dm2의 캐소드 전류 밀도를 후속 인가함을 포함하는 추가의 니켈 전착 단계 (c)를 포함하는, 금속 기판의 표면 처리 방법.
- 전기화학 공정에서의 가스 발생용 전극의 제조방법으로서,
금속 기판을 제1항 내지 제9항 중 어느 한 항의 방법으로 처리하는 단계 및
하나 이상의 귀금속 또는 합금 금속 또는 이들의 산화물 및/또는 희토류 그룹에 속하는 하나 이상의 금속 또는 이의 산화물을 포함하는 촉매 코팅을, 상기 처리된 금속 기판에 적용하는 단계를 포함하는, 가스 발생용 전극의 제조방법. - 제1항 내지 제9항 중 어느 한 항에 기재된 방법에 따라 제조된 금속 기판, 및 하나 이상의 귀금속 또는 합금 금속 또는 이들의 산화물 및/또는 희토류 그룹에 속하는 하나 이상의 금속 또는 이의 산화물을 포함하는 촉매 코팅을 포함하는, 전기화학 공정에서의 가스 발생용 전극.
- 제11항에 있어서, 상기 금속 기판이, 25% 미만의, 평균 제곱 편차 Ra 값으로 표현되는, 조도 프로파일의 균질성 정도를 갖는, 전기화학 공정에서의 가스 발생용 전극.
- 제9항에 기재된 방법에 따라 제조된 금속 기판을 포함하는 전기화학 공정에서의 가스 발생용 전극으로서, 상기 금속 기판은, 상기 금속 기판 상에 직접 전착된 니켈 층, 및 하나 이상의 금속 또는 합금 또는 이들의 산화물 및/또는 희토류에 속하는 하나 이상의 금속 또는 이의 산화물 그룹을 포함하는 촉매 코팅을 포함하는 니켈 또는 니켈 합금인, 전기화학 공정에서의 가스 발생용 전극.
- 이온 교환막 또는 격막에 의해 분리되는 애노드 구획 및 캐소드 구획을 포함하는, 물 전해용 또는 알칼리 염화물 용액 전해용 전지로서, 상기 캐소드 구획에는 제11항 내지 제13항 중 어느 한 항의 전극이 장착되는, 전해용 전지.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT202000006187 | 2020-03-24 | ||
| IT102020000006187 | 2020-03-24 | ||
| PCT/EP2021/057498 WO2021191241A1 (en) | 2020-03-24 | 2021-03-23 | Method for the treatment of a metal substrate for the preparation of electrodes |
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| Publication Number | Publication Date |
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| KR20220158061A true KR20220158061A (ko) | 2022-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020227037070A Ceased KR20220158061A (ko) | 2020-03-24 | 2021-03-23 | 전극을 제조하기 위한 금속 기판의 처리 방법 |
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| Country | Link |
|---|---|
| US (1) | US20230151503A1 (ko) |
| EP (1) | EP4127275B1 (ko) |
| JP (1) | JP2023523690A (ko) |
| KR (1) | KR20220158061A (ko) |
| CN (1) | CN115335556A (ko) |
| AR (1) | AR121638A1 (ko) |
| AU (1) | AU2021243591B2 (ko) |
| BR (1) | BR112022019176A2 (ko) |
| CA (1) | CA3175062A1 (ko) |
| CL (1) | CL2022002604A1 (ko) |
| ES (1) | ES2975497T3 (ko) |
| IL (1) | IL296656B2 (ko) |
| MX (1) | MX2022011840A (ko) |
| MY (1) | MY210102A (ko) |
| SA (1) | SA522440586B1 (ko) |
| TW (1) | TW202206653A (ko) |
| WO (1) | WO2021191241A1 (ko) |
| ZA (1) | ZA202210124B (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114481284A (zh) * | 2021-12-28 | 2022-05-13 | 清华大学 | 镍电极及其制备方法和应用 |
| CN114941153A (zh) * | 2022-05-31 | 2022-08-26 | 中自环保科技股份有限公司 | 基于质子交换膜的水电解膜电极、制备方法、组件及应用 |
| CN119020815A (zh) * | 2024-10-29 | 2024-11-26 | 陕西华秦新能源科技有限责任公司 | 一种电极及其制备方法和应用 |
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| JPS55113887A (en) * | 1979-02-27 | 1980-09-02 | Toagosei Chem Ind Co Ltd | Production of electrolytic cathode |
| US5314601A (en) * | 1989-06-30 | 1994-05-24 | Eltech Systems Corporation | Electrodes of improved service life |
| JPH08283977A (ja) * | 1995-04-14 | 1996-10-29 | Chlorine Eng Corp Ltd | 活性陰極およびその製造方法 |
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| WO2008128957A1 (en) * | 2007-04-18 | 2008-10-30 | Industrie De Nora S.P.A. | Electrodes with mechanically roughened surface for electrochemical applications |
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| JP6183620B2 (ja) * | 2012-10-31 | 2017-08-23 | 株式会社大阪ソーダ | ゼロギャップ式食塩電解槽用陽極、食塩電解槽、及びこれを用いる食塩電解方法 |
| WO2015164730A1 (en) * | 2014-04-25 | 2015-10-29 | The George Washington University | Process for the production of ammonia from air and water |
| JP2018024925A (ja) * | 2016-08-12 | 2018-02-15 | 日立造船株式会社 | 電極の製造方法 |
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| CN106521587A (zh) | 2016-12-29 | 2017-03-22 | 中核北方核燃料元件有限公司 | 一种不锈钢条带的镀镍方法 |
| DE102017110863B4 (de) * | 2017-05-18 | 2021-02-04 | Zentrum für Sonnenenergie- und Wasserstoff-Forschung Baden-Württemberg | Nickelelektrode, Verfahren zu deren Herstellung und deren Verwendung |
| CN108425144B (zh) * | 2018-03-23 | 2020-04-24 | 陕西师范大学 | 一种电催化全分解水产氢产氧的喀斯特泡沫镍的制备方法 |
| JP7144251B2 (ja) * | 2018-09-10 | 2022-09-29 | 田中貴金属工業株式会社 | 水素発生用電極およびその製造方法 |
| CN109750317B (zh) * | 2018-12-26 | 2020-06-30 | 浙江工业大学 | 一种多孔镍基铜铼复合析氢电极的制备方法 |
| CN110205670B (zh) * | 2019-07-10 | 2020-09-08 | 二重(德阳)重型装备有限公司 | 缓蚀性镍基合金电解抛光液及其抛光方法 |
| CN110592614B (zh) * | 2019-09-27 | 2021-05-11 | 西南石油大学 | 一种三维自支撑性水分解制氢电催化剂及其制备方法 |
| CN110760862A (zh) | 2019-11-26 | 2020-02-07 | 江东电子材料有限公司 | 一种光面粗化电解铜箔的生产工艺 |
| US10975482B1 (en) * | 2020-02-27 | 2021-04-13 | Haiming Li | Self-derivative iron-containing nickel anode for water electrolysis |
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| EP4127275B1 (en) | 2024-03-06 |
| CL2022002604A1 (es) | 2023-04-21 |
| WO2021191241A1 (en) | 2021-09-30 |
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