JP5456561B2 - 酸化還元反応用合金触媒 - Google Patents
酸化還元反応用合金触媒 Download PDFInfo
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- JP5456561B2 JP5456561B2 JP2010102191A JP2010102191A JP5456561B2 JP 5456561 B2 JP5456561 B2 JP 5456561B2 JP 2010102191 A JP2010102191 A JP 2010102191A JP 2010102191 A JP2010102191 A JP 2010102191A JP 5456561 B2 JP5456561 B2 JP 5456561B2
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- JP
- Japan
- Prior art keywords
- alloy
- catalyst
- alloy catalyst
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- crystal lattice
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- 229910045601 alloy Inorganic materials 0.000 title claims description 151
- 239000000956 alloy Substances 0.000 title claims description 151
- 239000003054 catalyst Substances 0.000 title claims description 116
- 238000006479 redox reaction Methods 0.000 title claims description 30
- 239000002245 particle Substances 0.000 claims description 101
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 61
- 239000013078 crystal Substances 0.000 claims description 41
- 229910052697 platinum Inorganic materials 0.000 claims description 24
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 18
- 229910052759 nickel Inorganic materials 0.000 claims description 9
- 230000003197 catalytic effect Effects 0.000 description 21
- 239000006229 carbon black Substances 0.000 description 20
- 239000000843 powder Substances 0.000 description 20
- 230000000052 comparative effect Effects 0.000 description 18
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 14
- 239000001257 hydrogen Substances 0.000 description 11
- 229910052739 hydrogen Inorganic materials 0.000 description 11
- 125000004429 atom Chemical group 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000002173 high-resolution transmission electron microscopy Methods 0.000 description 8
- 238000002003 electron diffraction Methods 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 238000003917 TEM image Methods 0.000 description 6
- 238000002441 X-ray diffraction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000011259 mixed solution Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 229910000990 Ni alloy Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- PCLURTMBFDTLSK-UHFFFAOYSA-N nickel platinum Chemical compound [Ni].[Pt] PCLURTMBFDTLSK-UHFFFAOYSA-N 0.000 description 3
- -1 oxygen saturated perchloric acid Chemical class 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 229920000557 Nafion® Polymers 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000007809 chemical reaction catalyst Substances 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000006056 electrooxidation reaction Methods 0.000 description 2
- 238000010828 elution Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229920000371 poly(diallyldimethylammonium chloride) polymer Polymers 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- KLFRPGNCEJNEKU-FDGPNNRMSA-L (z)-4-oxopent-2-en-2-olate;platinum(2+) Chemical compound [Pt+2].C\C([O-])=C\C(C)=O.C\C([O-])=C\C(C)=O KLFRPGNCEJNEKU-FDGPNNRMSA-L 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000282320 Panthera leo Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000013626 chemical specie Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 229910021397 glassy carbon Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000004687 hexahydrates Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229940078487 nickel acetate tetrahydrate Drugs 0.000 description 1
- LAIZPRYFQUWUBN-UHFFFAOYSA-L nickel chloride hexahydrate Chemical compound O.O.O.O.O.O.[Cl-].[Cl-].[Ni+2] LAIZPRYFQUWUBN-UHFFFAOYSA-L 0.000 description 1
- OINIXPNQKAZCRL-UHFFFAOYSA-L nickel(2+);diacetate;tetrahydrate Chemical compound O.O.O.O.[Ni+2].CC([O-])=O.CC([O-])=O OINIXPNQKAZCRL-UHFFFAOYSA-L 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000001226 reprecipitation Methods 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
Description
カソード電極:O2 + 4H+ + 4e− → 2H2O ……(2)
この種の酸化還元反応用触媒として、白金触媒が知られているが、高価であるので白金使用量の低減が望まれている。そこで、白金使用量を低減した酸化還元反応用触媒として、白金−ニッケル合金触媒が開示されている(特許文献1参照)。この白金−ニッケル合金触媒は、X線回折によれば、合金中に約50原子%のニッケルを含有し、粒子径が4.8nmであるとされている。また、この白金−ニッケル合金触媒は、同重量の白金触媒と比較して1.4倍の触媒活性を備えるとされている。
L:平均粒子径、K:定数(0.9)、λ:波長(1.54Å)、β:半値幅
次に、カーボンブラック粉末に担持された本実施例の合金触媒について、透過型電子顕微鏡(TEM)にて観察した。図4に、得られたTEM画像を示す。図4から、本実施例で得られた合金触媒は、平面視で正方形、菱形、三角形のいずれかをなす合金粒子の集合体であることが明らかである。
本比較例では、まず、塩化白金酸六水和物32mgと、塩化ニッケル六水和物15mgと、ポリビニルピロリドン50mgと、超純水50mLとを、三つ口フラスコ内で混合し、混合液を得た。
Claims (2)
- 白金と、ニッケルとの合金粒子からなる酸化還元反応用合金触媒であって、
該合金粒子が外表面にミラー指数{111}の結晶格子面を備えるとともに、6〜20nmの範囲の平均粒子径を備えることを特徴とする酸化還元反応用合金触媒。 - 請求項1記載の酸化還元反応用合金触媒において、前記合金粒子は、正八面体、切頭正八面体、正四面体、切頭正四面体のいずれかの形状をなすことを特徴とする酸化還元反応用合金触媒。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010102191A JP5456561B2 (ja) | 2009-06-11 | 2010-04-27 | 酸化還元反応用合金触媒 |
US12/813,141 US20100316937A1 (en) | 2009-06-11 | 2010-06-10 | Alloy catalyst for redox reaction |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009140180 | 2009-06-11 | ||
JP2009140180 | 2009-06-11 | ||
JP2010102191A JP5456561B2 (ja) | 2009-06-11 | 2010-04-27 | 酸化還元反応用合金触媒 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011016125A JP2011016125A (ja) | 2011-01-27 |
JP5456561B2 true JP5456561B2 (ja) | 2014-04-02 |
Family
ID=43306715
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010102191A Expired - Fee Related JP5456561B2 (ja) | 2009-06-11 | 2010-04-27 | 酸化還元反応用合金触媒 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20100316937A1 (ja) |
JP (1) | JP5456561B2 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5285054B2 (ja) * | 2010-12-08 | 2013-09-11 | 本田技研工業株式会社 | 酸化還元反応用合金触媒の製造方法 |
US20120208693A1 (en) * | 2011-02-15 | 2012-08-16 | GM Global Technology Operations LLC | Graphite Particle-Supported Pt and Pt Alloy Electrocatalyst with Controlled Exposure of Defined Crystal Faces for Oxygen Reduction Reaction (ORR) |
KR101849818B1 (ko) | 2011-03-11 | 2018-04-17 | 아우디 아게 | 고당량 이오노머를 갖는 단위화 전극 조립체 |
JP2015534244A (ja) * | 2012-10-22 | 2015-11-26 | アウディ アクチェンゲゼルシャフトAudi Ag | 非白金コアを有する白金合金ナノ触媒 |
JP6165878B2 (ja) | 2012-12-21 | 2017-07-19 | アウディ アクチェンゲゼルシャフトAudi Ag | 電解質膜、分散体、および分散方法 |
KR102044302B1 (ko) | 2012-12-21 | 2019-11-13 | 아우디 아게 | 전해질 물질의 제조 방법 |
US9923224B2 (en) | 2012-12-21 | 2018-03-20 | Audi Ag | Proton exchange material and method therefor |
JP6540502B2 (ja) * | 2015-12-25 | 2019-07-10 | 株式会社デンソー | 燃料電池用アノードおよび燃料電池単セル |
CN107732260A (zh) * | 2017-09-26 | 2018-02-23 | 天津工业大学 | 一种立方结构的氮掺杂铂镍双金属乙醇氧化催化剂的制备方法 |
CN108258258A (zh) * | 2018-01-22 | 2018-07-06 | 贵州大学 | 一种用于燃料电池的富Cu八面体PtCu纳米催化剂的合成方法及应用 |
CN109065903B (zh) * | 2018-09-17 | 2020-10-23 | 苏州擎动动力科技有限公司 | 一种高活性负载型八面体三元合金催化剂的制备方法 |
JP7158350B2 (ja) * | 2019-08-02 | 2022-10-21 | 日清紡ホールディングス株式会社 | 金属担持触媒、電池電極及び電池 |
CN110600754B (zh) * | 2019-08-23 | 2021-05-07 | 陕西师范大学 | 一种Pt-稀土合金材料及其制备方法与应用 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003157857A (ja) * | 2001-11-20 | 2003-05-30 | Toyota Central Res & Dev Lab Inc | 燃料電池用電極触媒体、それを用いた燃料電池用空気極、およびその触媒活性評価方法 |
US7432221B2 (en) * | 2003-06-03 | 2008-10-07 | Korea Institute Of Energy Research | Electrocatalyst for fuel cells using support body resistant to carbon monoxide poisoning |
US8278011B2 (en) * | 2004-12-09 | 2012-10-02 | Nanosys, Inc. | Nanostructured catalyst supports |
-
2010
- 2010-04-27 JP JP2010102191A patent/JP5456561B2/ja not_active Expired - Fee Related
- 2010-06-10 US US12/813,141 patent/US20100316937A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JP2011016125A (ja) | 2011-01-27 |
US20100316937A1 (en) | 2010-12-16 |
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