JP2019502016A - 機能性電極およびその製造方法 - Google Patents
機能性電極およびその製造方法 Download PDFInfo
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- JP2019502016A JP2019502016A JP2017559858A JP2017559858A JP2019502016A JP 2019502016 A JP2019502016 A JP 2019502016A JP 2017559858 A JP2017559858 A JP 2017559858A JP 2017559858 A JP2017559858 A JP 2017559858A JP 2019502016 A JP2019502016 A JP 2019502016A
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D9/00—Electrolytic coating other than with metals
- C25D9/04—Electrolytic coating other than with metals with inorganic materials
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- C—CHEMISTRY; METALLURGY
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- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/0018—Mixed oxides or hydroxides
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
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- C—CHEMISTRY; METALLURGY
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
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- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
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- C—CHEMISTRY; METALLURGY
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- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/02—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form
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- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
- C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
- C25B11/073—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material
- C25B11/091—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of at least one catalytic element and at least one catalytic compound; consisting of two or more catalytic elements or catalytic compounds
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/10—Agitating of electrolytes; Moving of racks
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/12—Electroplating: Baths therefor from solutions of nickel or cobalt
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46133—Electrodes characterised by the material
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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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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Abstract
Description
1Mの硫酸ニッケル(NiSO4)水溶液40mlと0.5Mの塩化鉄(II)(FeCl2)水溶液40mlを混合および攪拌(300rpm)し、25重量%アンモニア水10mlを投入して、常温(25℃)および常圧(1atm)で30分間反応させた。以降、取得した粒子相をフィルタリングして回収した後、脱イオン水で洗浄し、70℃のオーブンで24時間乾燥してNiFe0.5水酸化物板状粒子を製造した。
製造されたNiFe0.5水酸化物板状粒子を利用し、水を溶媒として、表1によるNiめっき液を製造した後、Niを+極とし、伝導性母材であるニッケル板材を−極として電解めっきを行い、機能性電極を製造した。電解めっきは、めっき液を200rpmで攪拌し、常温で10mA/cm2の電流密度で90分間行われた。
1Mの硫酸ニッケル(NiSO4)水溶液160mlと0.25Mの塩化鉄(II)(FeCl2)水溶液160mlを混合および攪拌(300rpm)し、28重量%アンモニア水35mlを投入して、常温(25℃)および常圧(1atm)で60分間反応させた。以降、取得した粒子相をフィルタリングして回収した後、脱イオン水で洗浄し、70℃のオーブンで24時間乾燥してNiFe0.25水酸化物板状粒子を製造した。
Claims (14)
- ニッケル‐金属水酸化物板状粒子を含有するめっき液に伝導性母材を挿入して電解めっきするステップを含む、機能性電極の製造方法。
- 前記電解めっきの際、めっき液の攪拌が行われる、請求項1に記載の機能性電極の製造方法。
- 前記めっき液は、ニッケル系めっき液である、請求項1に記載の機能性電極の製造方法。
- 前記めっき液は、0.1g/L〜20g/Lのニッケル‐金属水酸化物板状粒子を含有する、請求項1に記載の機能性電極の製造方法。
- 前記電解めっきは、1〜200mA/cm2の電流密度で行われる、請求項1に記載の機能性電極の製造方法。
- 前記ニッケル‐金属水酸化物板状粒子の金属は、Fe、Al、Mn、CoおよびCrから選択される一つまたは二つ以上の金属である、請求項1に記載の機能性電極の製造方法。
- 前記ニッケル‐金属水酸化物板状粒子のニッケル:金属のモル比は1:0.2〜0.8である、請求項6に記載の機能性電極の製造方法。
- 前記ニッケル‐金属水酸化物板状粒子の平均直径は0.5〜10μmである、請求項6に記載の機能性電極の製造方法。
- 前記電解めっきするステップの前、ニッケルイオン供給源、鉄イオン供給源および水酸基供給源を含む化学浴(chemical bath)を用いた化学的溶液成長(CBD;Chemical Bath Deposition)、水熱合成により、ニッケル‐金属水酸化物板状粒子を製造するステップをさらに含む、請求項1に記載の機能性電極の製造方法。
- 前記ニッケル‐金属水酸化物板状粒子を製造するステップは、
a)ニッケルイオン供給源および鉄イオン供給源を含有する金属イオン浴を提供するステップと、
b)前記金属イオン浴に水酸基供給源を投入および攪拌してニッケル‐鉄複合金属水酸化物を製造するステップと、を含む、請求項9に記載の機能性電極の製造方法。 - 前記b)ステップにおいて、水酸基供給源は、前記金属イオン浴のpHが6.0〜12.0になるように投入される、請求項10に記載の機能性電極の製造方法。
- 前記電極は、電気分解用電極または水処理用電極である、請求項1に記載の機能性電極の製造方法。
- 請求項1から12のいずれか1項に記載の製造方法により製造され、電解めっきによって伝導性母材上、ニッケル‐金属水酸化物板状粒子によって不規則な突出構造を有し、ニッケル‐金属水酸化物板状粒子同士およびニッケル‐金属水酸化物板状粒子と母材とを結着させる金属を含むめっき層が形成されている、機能性電極。
- 前記機能性電極は、HER(hydrogen‐evolution reaction)電極またはOER(oxygen‐evolution reaction)電極である、請求項13に記載の機能性電極。
Applications Claiming Priority (3)
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KR1020160137324A KR101745335B1 (ko) | 2016-10-21 | 2016-10-21 | 기능성 전극 및 이의 제조방법 |
KR10-2016-0137324 | 2016-10-21 | ||
PCT/KR2017/009091 WO2018074723A1 (ko) | 2016-10-21 | 2017-08-21 | 기능성 전극 및 이의 제조방법 |
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Cited By (1)
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WO2022191035A1 (ja) * | 2021-03-12 | 2022-09-15 | 国立研究開発法人物質・材料研究機構 | 層状複水酸化物を表面に有する金属板及びその製造方法 |
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KR102243511B1 (ko) | 2019-08-01 | 2021-04-22 | 주식회사 티에스엘켐 | 수전해 전극 및 그 제조방법 |
KR102390091B1 (ko) * | 2020-05-22 | 2022-04-25 | 서울대학교산학협력단 | 비귀금속 다성분계 합금을 활용한 고성능 수전해 촉매 전극의 제작 |
KR20220064161A (ko) * | 2020-11-11 | 2022-05-18 | 한화솔루션 주식회사 | 음이온 교환막 수전해용 산화 전극 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6110855A (ja) * | 1984-06-26 | 1986-01-18 | Asahi Glass Co Ltd | 電池用電極及びその製造方法 |
JPH0487259A (ja) * | 1990-07-30 | 1992-03-19 | Shin Kobe Electric Mach Co Ltd | ペースト式ニッケルカドミウム蓄電池用陰極板 |
JPH111324A (ja) * | 1997-06-10 | 1999-01-06 | Sakai Chem Ind Co Ltd | 板状水酸化ニッケル粒子、その製造方法及びこれを原料とするリチウム・ニッケル複合酸化物粒子の製造方法 |
JP2010064910A (ja) * | 2008-09-09 | 2010-03-25 | Sumitomo Metal Mining Co Ltd | 板状ニッケル含有水酸化物とその製造方法及びそれを用いた板状ニッケル含有オキシ水酸化物とその製造方法 |
WO2013191140A1 (ja) * | 2012-06-18 | 2013-12-27 | 旭化成株式会社 | 複極式アルカリ水電解ユニット、及び電解槽 |
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JP4115575B2 (ja) * | 1998-02-18 | 2008-07-09 | ペルメレック電極株式会社 | 活性化陰極 |
JP3348705B2 (ja) * | 1999-09-28 | 2002-11-20 | 株式会社村田製作所 | 電極形成方法 |
JP5062724B2 (ja) * | 2006-09-12 | 2012-10-31 | 住友電気工業株式会社 | アルカリ電池用ニッケル電極の製造方法およびアルカリ電池用ニッケル電極 |
KR101669112B1 (ko) * | 2012-05-08 | 2016-10-25 | 삼성에스디아이 주식회사 | 복합 금속 전구체, 이로부터 형성된 양극 활물질, 이를 포함하는 리튬 이차 전지용 양극 및 이를 구비한 리튬 이차 전지 |
JP5626382B2 (ja) * | 2013-01-30 | 2014-11-19 | 住友金属鉱山株式会社 | ニッケルコバルト複合水酸化物及びその製造方法 |
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2016
- 2016-10-21 KR KR1020160137324A patent/KR101745335B1/ko active IP Right Grant
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2017
- 2017-08-21 WO PCT/KR2017/009091 patent/WO2018074723A1/ko active Application Filing
- 2017-08-21 JP JP2017559858A patent/JP2019502016A/ja active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6110855A (ja) * | 1984-06-26 | 1986-01-18 | Asahi Glass Co Ltd | 電池用電極及びその製造方法 |
JPH0487259A (ja) * | 1990-07-30 | 1992-03-19 | Shin Kobe Electric Mach Co Ltd | ペースト式ニッケルカドミウム蓄電池用陰極板 |
JPH111324A (ja) * | 1997-06-10 | 1999-01-06 | Sakai Chem Ind Co Ltd | 板状水酸化ニッケル粒子、その製造方法及びこれを原料とするリチウム・ニッケル複合酸化物粒子の製造方法 |
JP2010064910A (ja) * | 2008-09-09 | 2010-03-25 | Sumitomo Metal Mining Co Ltd | 板状ニッケル含有水酸化物とその製造方法及びそれを用いた板状ニッケル含有オキシ水酸化物とその製造方法 |
WO2013191140A1 (ja) * | 2012-06-18 | 2013-12-27 | 旭化成株式会社 | 複極式アルカリ水電解ユニット、及び電解槽 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2022191035A1 (ja) * | 2021-03-12 | 2022-09-15 | 国立研究開発法人物質・材料研究機構 | 層状複水酸化物を表面に有する金属板及びその製造方法 |
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