JPWO2017221500A1 - 金属多孔質体の製造方法及び電極触媒の製造方法 - Google Patents
金属多孔質体の製造方法及び電極触媒の製造方法 Download PDFInfo
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 181
- 239000002184 metal Substances 0.000 title claims abstract description 181
- 239000003054 catalyst Substances 0.000 title claims abstract description 102
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 56
- 229920005989 resin Polymers 0.000 claims abstract description 112
- 239000011347 resin Substances 0.000 claims abstract description 112
- 239000000758 substrate Substances 0.000 claims abstract description 14
- 230000008018 melting Effects 0.000 claims abstract description 9
- 238000002844 melting Methods 0.000 claims abstract description 9
- 238000009792 diffusion process Methods 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 12
- 238000004544 sputter deposition Methods 0.000 claims description 12
- 238000007740 vapor deposition Methods 0.000 claims description 8
- 238000010030 laminating Methods 0.000 claims description 4
- 238000005245 sintering Methods 0.000 claims description 4
- 238000010306 acid treatment Methods 0.000 abstract description 17
- 238000010438 heat treatment Methods 0.000 abstract description 9
- 239000007789 gas Substances 0.000 description 30
- 239000000243 solution Substances 0.000 description 22
- 239000011148 porous material Substances 0.000 description 18
- 239000000446 fuel Substances 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 12
- 239000000463 material Substances 0.000 description 12
- 239000003792 electrolyte Substances 0.000 description 7
- 239000012528 membrane Substances 0.000 description 7
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- -1 paradium Chemical compound 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000003487 electrochemical reaction Methods 0.000 description 3
- 239000002737 fuel gas Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000007800 oxidant agent Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000002923 metal particle Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229910052701 rubidium Inorganic materials 0.000 description 2
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000002484 cyclic voltammetry Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000010411 electrocatalyst Substances 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000005518 polymer electrolyte Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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Abstract
Description
本発明の別の目的は、酸処理溶液に浸漬する処理を必要としないことで、製造工程を簡素化すること及び製造効率を向上させることが可能な電極触媒の製造方法を提供することにある。
Claims (7)
- 金属多孔質体(10)の製造方法であって、
金属と、該金属よりも低融点の樹脂とを含む金属樹脂含有層(24)を基材(12)上に形成するステップと、
前記金属樹脂含有層(24)に対して熱処理を行って、前記金属を焼結し、且つ前記樹脂を該金属樹脂含有層(24)から除去することにより金属多孔質体(10)を得るステップと、
を有することを特徴とする金属多孔質体(10)の製造方法。 - 請求項1記載の金属多孔質体(10)の製造方法において、
前記金属樹脂含有層(24)を形成するステップでは、前記金属からなる金属層(20)と、前記樹脂からなる樹脂層(22)とを積層して前記金属樹脂含有層(24)を形成することを特徴とする金属多孔質体(10)の製造方法。 - 請求項1又は2記載の金属多孔質体(10)の製造方法において、
前記金属樹脂含有層(24)を形成するステップでは、スパッタリング及び蒸着の少なくとも何れか一方により前記金属樹脂含有層(24)を形成することを特徴とする金属多孔質体(10)の製造方法。 - 電極触媒(10)の製造方法であって、
金属触媒と、該金属触媒よりも低融点の樹脂とを含む金属樹脂含有層(24)を基材(12)上に形成するステップと、
前記金属樹脂含有層(24)に対して熱処理を行って、前記金属触媒を焼結し、且つ前記樹脂を該金属樹脂含有層(24)から除去することにより多孔質の電極触媒(10)を得るステップと、
を有することを特徴とする電極触媒(10)の製造方法。 - 請求項4記載の電極触媒(10)の製造方法において、
前記金属樹脂含有層(24)を形成するステップでは、前記金属触媒からなる金属層(20)と、前記樹脂からなる樹脂層(22)とを積層して前記金属樹脂含有層(24)を形成することを特徴とする電極触媒(10)の製造方法。 - 請求項4又は5記載の電極触媒(10)の製造方法において、
前記金属樹脂含有層(24)を形成するステップでは、スパッタリング及び蒸着の少なくとも何れか一方により前記金属樹脂含有層(24)を形成することを特徴とする電極触媒(10)の製造方法。 - 請求項4〜6の何れか1項に記載の電極触媒(10)の製造方法において、
前記基材(12)として、ガス拡散層を用いることを特徴とする電極触媒(10)の製造方法。
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Citations (7)
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JPS6376833A (ja) * | 1986-09-18 | 1988-04-07 | Agency Of Ind Science & Technol | 溶融炭酸塩型燃料電池のアノ−ド電極用多孔質Cu合金焼結薄板の製造法 |
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