JP2016000401A - 三元白金合金触媒 - Google Patents
三元白金合金触媒 Download PDFInfo
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- JP2016000401A JP2016000401A JP2015158457A JP2015158457A JP2016000401A JP 2016000401 A JP2016000401 A JP 2016000401A JP 2015158457 A JP2015158457 A JP 2015158457A JP 2015158457 A JP2015158457 A JP 2015158457A JP 2016000401 A JP2016000401 A JP 2016000401A
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/92—Metals of platinum group
- H01M4/921—Alloys or mixtures with metallic elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/26—Chromium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/11—Making amorphous alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C5/00—Alloys based on noble metals
- C22C5/04—Alloys based on a platinum group metal
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/14—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of noble metals or alloys based thereon
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
- H01M4/8803—Supports for the deposition of the catalytic active composition
- H01M4/881—Electrolytic membranes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/92—Metals of platinum group
- H01M4/925—Metals of platinum group supported on carriers, e.g. powder carriers
- H01M4/926—Metals of platinum group supported on carriers, e.g. powder carriers on carbon or graphite
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/08—Fuel cells with aqueous electrolytes
- H01M8/086—Phosphoric acid fuel cells [PAFC]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M2008/1095—Fuel cells with polymeric electrolytes
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
- Y02E60/50—Fuel cells
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Abstract
【解決手段】Xが、ニッケル、コバルト、クロム、銅、チタニウム又はマンガンであり、及び、Yが、タンタル、又はニオブであり、その合金が、66at%Pt20at%Cr14at%Ta、又は、50at%Pt25at%Co25at%Taではない条件で、その合金において、白金の原子百分率は、46−75at%であり、Xについては、1−49at%、及び、Yについては、1−35at%である白金合金触媒PtXY。
【選択図】なし
Description
その転送基材は、当業者にとって周知のいかなる適切な転送基材であってもよいが、望ましくは、ポリテトラフルオロエチレン(PTFE)又はポリプロピレン(特に二軸延伸ポリプロピレン、BOPP)等の高分子材料、又は、ポリウレタンコート紙等のポリマーコート紙である。転送基材はまた、シリコン剥離紙、又はアルミホイル等の金属ホイルである。次に本発明の触媒は、当業者に周知の技術により、ガス拡散基材に、又はPEMFCに対する適用の場合、プロトン導電性膜に輸送され、触媒塗布膜(CCM)を形成してもよい。従って、本発明のさらなる態様が、本発明の触媒を含む触媒塗布膜を提供する。
全ての触媒は、20gスケールで製造され、カーボン担体上に15重量%Pt充填を目標とした。
サンプルの均一性及び合金化の程度は、X−線回折(XRD)を使用して、決定した。表1で示される触媒は、上記の一般的な製造法により行った。
最新のPtCoCr触媒が、Co、Cr及びPtの塩化物塩の加水分解により、US5、068、161の実施例6で示されるように製造し、15重量%Pt充填した。最終分析(重量%):15.8%Pt/2.01%Co/1.03%Cr(原子%58:24:18)
本発明の触媒の電気化学的表面積(ECA)及び質量活性が、US5、068、161に示されるように測定した。つまり、サイクリックボルタンメトリー測定が、3電極セル及び十分に湿った電極を使用し、室温で、希塩酸中で実施され、且つ、水素吸収に関連した電荷量が、cm2Pt当り210μCの補正率を使用して決定し、及び、m2/gPtに変換した。活性は、180℃の99%リン酸電解質中、反応物質として酸素を使用するガス供給の半電池を使用して測定し、又、活性が、当技術分野で一般的に行われるように、900mVでPtの重量当りの電流(A/mgPt)として表した。電極は、PTFEとその触媒を混合し、防水カーボン紙に適用、且つ、焼結することにより製造した。
Claims (15)
- 白金合金触媒PtXYであって、
Xが、ニッケル、コバルト、クロム、銅、チタニウム、又は、マンガンであり、及び、 Yが、タンタル又はニオブであり、
前記合金において、
白金の原子百分率が46〜75at%であり、Xの原子百分率が1〜49at%、及びYの原子百分率が1〜35at%であり、
但し、前記合金が、66at%Pt20at%Cr14at%Ta、又は50at%Pt25at%Co25at%Taではないことを特徴する、白金合金触媒PtXY。 - Xが、ニッケル、コバルト、クロム又は銅である、請求項1に記載された白金合金触媒。
- Yが、ニッケル又はコバルトである、請求項2に記載された白金合金触媒。
- Yが、タンタルである、請求項1〜3の何れか一項に記載された白金合金触媒。
- Yが、ニオブである、請求項1〜3の何れか一項に記載された白金合金触媒。
- 前記触媒が、分散された担体材に、非担持又は担持されてなる、請求項1〜5の何れか一項に記載された白金合金触媒。
- 前記触媒が、分散された担体材に、担持されてなる、請求項6に記載された白金合金触媒。
- 前記担体材が、耐腐食カーボンである、請求項7に記載された白金合金触媒。
- 請求項1〜8の何れか一項に記載された触媒を備えてなる、電極。
- 前記電極が、カソードである、請求項9に記載された電極。
- 請求項1〜8の何れか一項に記載された触媒を含んでなる、触媒塗付膜。
- 請求項9〜10の何れか一項に記載された電極を備えてなる、燃料電池。
- 前記燃料電池が、リン酸燃料電池である、請求項12に記載された燃料電池。
- 請求項11に記載された触媒塗付膜を備えてなる、燃料電池。
- 前記燃料電池が、プロトン交換膜燃料電池である、請求項14に記載された燃料電池。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0902231.0 | 2009-02-11 | ||
| GBGB0902231.0A GB0902231D0 (en) | 2009-02-11 | 2009-02-11 | Catayst |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014138934A Division JP5819490B2 (ja) | 2009-02-11 | 2014-07-04 | 三元白金合金触媒 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2016000401A true JP2016000401A (ja) | 2016-01-07 |
| JP6125580B2 JP6125580B2 (ja) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2011549663A Pending JP2012517341A (ja) | 2009-02-11 | 2010-02-03 | 三元白金合金触媒 |
| JP2014138934A Active JP5819490B2 (ja) | 2009-02-11 | 2014-07-04 | 三元白金合金触媒 |
| JP2015158457A Active JP6125580B2 (ja) | 2009-02-11 | 2015-08-10 | 三元白金合金触媒 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2011549663A Pending JP2012517341A (ja) | 2009-02-11 | 2010-02-03 | 三元白金合金触媒 |
| JP2014138934A Active JP5819490B2 (ja) | 2009-02-11 | 2014-07-04 | 三元白金合金触媒 |
Country Status (7)
| Country | Link |
|---|---|
| US (3) | US9960430B2 (ja) |
| EP (3) | EP2843066B1 (ja) |
| JP (3) | JP2012517341A (ja) |
| KR (2) | KR101746237B1 (ja) |
| CN (2) | CN102820475B (ja) |
| GB (1) | GB0902231D0 (ja) |
| WO (1) | WO2010092369A1 (ja) |
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| GB0902231D0 (en) | 2009-02-11 | 2009-03-25 | Johnson Matthey Plc | Catayst |
| GB201012982D0 (en) * | 2010-08-03 | 2010-09-15 | Johnson Matthey Plc | Catalyst |
| EP2830762B1 (en) * | 2012-03-30 | 2023-06-21 | Johnson Matthey Hydrogen Technologies Limited | Thin film catalytic material for use in fuel cells |
| KR102088547B1 (ko) * | 2013-02-01 | 2020-03-12 | 두산 퓨얼 셀 아메리카, 인크. | 가용성 플루오로중합체 코팅을 갖는 액체 전해질 연료 전지 전극 및 그의 제조 방법 |
| WO2017081587A1 (en) | 2015-11-13 | 2017-05-18 | North-West University | Electrocatalyst for the reduction of oxygen |
| JP6741545B2 (ja) * | 2016-10-10 | 2020-08-19 | 田中貴金属工業株式会社 | 固体高分子形燃料電池用の触媒及びその製造方法 |
| KR102335525B1 (ko) * | 2017-05-18 | 2021-12-03 | 현대자동차주식회사 | 이종 바인더 적용 수소연료전지용 전극막 접합체의 제조방법, 및 이로 제조된 전극막 접합체 |
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| US20210013521A1 (en) * | 2018-04-04 | 2021-01-14 | 3M Innovative Properties Company | Catalyst comprising pt, ni, and ta |
| WO2019193461A1 (en) | 2018-04-04 | 2019-10-10 | 3M Innovative Properties Company | Catalyst comprising pt, ni, and cr |
| EP3776704B1 (en) | 2018-04-13 | 2022-12-28 | 3M Innovative Properties Company | Catalyst |
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| CN111971830B (zh) | 2018-04-13 | 2023-10-27 | 3M创新有限公司 | 催化剂 |
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| US11959183B2 (en) | 2019-11-15 | 2024-04-16 | Lawrence Livermore National Security, Llc | Dilute alloy catalysts for electrochemical CO2 reduction |
| WO2021156644A1 (en) * | 2020-02-07 | 2021-08-12 | The Hong Kong University Of Science And Technology | Durable hybrid electrocatalysts for fuel cells |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06132034A (ja) * | 1992-10-20 | 1994-05-13 | Fuji Electric Co Ltd | リン酸形燃料電池の合金触媒とその製造方法 |
| JP2009238510A (ja) * | 2008-03-26 | 2009-10-15 | Toshiba Corp | メタノール酸化触媒およびその製造方法 |
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| Title |
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| JPN6016017489; Ting HE et al.: 'Combinatorial screening of PtTiMe ternary alloys for oxygen electroreduction.' Phys Chem Chem Phys. vol.10,No.25, 2008, p.3731-3738 * |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101746237B1 (ko) | 2017-06-12 |
| JP6125580B2 (ja) | 2017-05-10 |
| US20140205928A1 (en) | 2014-07-24 |
| KR20170031790A (ko) | 2017-03-21 |
| CN102820475B (zh) | 2016-02-10 |
| EP2396844B1 (en) | 2018-10-03 |
| US9923210B2 (en) | 2018-03-20 |
| EP2396844A1 (en) | 2011-12-21 |
| JP5819490B2 (ja) | 2015-11-24 |
| EP2843066B1 (en) | 2019-08-28 |
| JP2014208351A (ja) | 2014-11-06 |
| GB0902231D0 (en) | 2009-03-25 |
| EP2472657A1 (en) | 2012-07-04 |
| CN102820475A (zh) | 2012-12-12 |
| CN102318112B (zh) | 2015-11-25 |
| EP2472657B1 (en) | 2015-08-12 |
| US20180166695A1 (en) | 2018-06-14 |
| CN102318112A (zh) | 2012-01-11 |
| JP2012517341A (ja) | 2012-08-02 |
| US9960430B2 (en) | 2018-05-01 |
| KR20110116213A (ko) | 2011-10-25 |
| US20120046161A1 (en) | 2012-02-23 |
| WO2010092369A1 (en) | 2010-08-19 |
| EP2843066A1 (en) | 2015-03-04 |
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