JP2008522363A - 燃料電池構成部品 - Google Patents
燃料電池構成部品 Download PDFInfo
- Publication number
- JP2008522363A JP2008522363A JP2007542977A JP2007542977A JP2008522363A JP 2008522363 A JP2008522363 A JP 2008522363A JP 2007542977 A JP2007542977 A JP 2007542977A JP 2007542977 A JP2007542977 A JP 2007542977A JP 2008522363 A JP2008522363 A JP 2008522363A
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- JP
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- Prior art keywords
- fuel cell
- metal
- layer
- cell component
- substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 239000000446 fuel Substances 0.000 title claims abstract description 65
- 210000003850 cellular structure Anatomy 0.000 title claims abstract description 43
- 229910052751 metal Inorganic materials 0.000 claims abstract description 61
- 239000002184 metal Substances 0.000 claims abstract description 61
- 238000000576 coating method Methods 0.000 claims abstract description 46
- 239000000758 substrate Substances 0.000 claims abstract description 43
- 239000011248 coating agent Substances 0.000 claims abstract description 40
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 20
- 210000004027 cell Anatomy 0.000 claims abstract description 19
- 239000002131 composite material Substances 0.000 claims abstract description 14
- 239000010935 stainless steel Substances 0.000 claims abstract description 12
- 239000007787 solid Substances 0.000 claims abstract description 6
- 230000001590 oxidative effect Effects 0.000 claims abstract description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 26
- 239000000956 alloy Substances 0.000 claims description 26
- 229910052596 spinel Inorganic materials 0.000 claims description 18
- 239000011029 spinel Substances 0.000 claims description 18
- 230000003647 oxidation Effects 0.000 claims description 15
- 238000007254 oxidation reaction Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 13
- 229910052759 nickel Inorganic materials 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 10
- 229910052804 chromium Inorganic materials 0.000 claims description 9
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 9
- 150000002910 rare earth metals Chemical class 0.000 claims description 9
- 229910052748 manganese Inorganic materials 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 229910052746 lanthanum Inorganic materials 0.000 claims description 6
- 229910052727 yttrium Inorganic materials 0.000 claims description 5
- 229910052726 zirconium Inorganic materials 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000000737 periodic effect Effects 0.000 claims description 4
- 229910052712 strontium Inorganic materials 0.000 claims description 4
- 229910052715 tantalum Inorganic materials 0.000 claims description 4
- 229910052723 transition metal Inorganic materials 0.000 claims description 4
- 150000003624 transition metals Chemical class 0.000 claims description 4
- 229910052788 barium Inorganic materials 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 6
- 238000010248 power generation Methods 0.000 claims 2
- 229910017052 cobalt Inorganic materials 0.000 claims 1
- 239000010941 cobalt Substances 0.000 claims 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims 1
- 238000005868 electrolysis reaction Methods 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 1
- 239000010410 layer Substances 0.000 abstract description 90
- 150000004706 metal oxides Chemical class 0.000 abstract description 17
- 229910044991 metal oxide Inorganic materials 0.000 abstract description 11
- 239000002344 surface layer Substances 0.000 abstract description 3
- 239000011651 chromium Substances 0.000 description 28
- 239000000463 material Substances 0.000 description 16
- 239000011572 manganese Substances 0.000 description 12
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 6
- 229910000423 chromium oxide Inorganic materials 0.000 description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 5
- 239000007769 metal material Substances 0.000 description 5
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000000265 homogenisation Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 235000010624 Medicago sativa Nutrition 0.000 description 2
- 240000004658 Medicago sativa Species 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- -1 chromium oxyhydroxide Chemical compound 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000002050 diffraction method Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000004993 emission spectroscopy Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009304 pastoral farming Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 229910000601 superalloy Inorganic materials 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910017060 Fe Cr Inorganic materials 0.000 description 1
- 229910002544 Fe-Cr Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- UPHIPHFJVNKLMR-UHFFFAOYSA-N chromium iron Chemical compound [Cr].[Fe] UPHIPHFJVNKLMR-UHFFFAOYSA-N 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005566 electron beam evaporation Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005211 surface analysis Methods 0.000 description 1
- 238000005382 thermal cycling Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
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- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
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- C—CHEMISTRY; METALLURGY
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- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
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- C23C28/345—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one oxide layer
- C23C28/3455—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one oxide layer with a refractory ceramic layer, e.g. refractory metal oxide, ZrO2, rare earth oxides or a thermal barrier system comprising at least one refractory oxide layer
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
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- H01M8/10—Fuel cells with solid 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
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- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Ceramic Engineering (AREA)
- Composite Materials (AREA)
- Fuel Cell (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Chemical Treatment Of Metals (AREA)
Abstract
Description
金属層と反応層からなる被膜でステンレス鋼基板を被覆する。金属層はCrまたはCr系合金である。この場合の反応層は、酸化物がスピネル構造をとるならば、遷移金属たとえばNi、Co、Mn および/またはFeなどを含む。ペロブスカイト構造が望まれる場合には、反応層は周期律表2A族または3A族元素、またはREMを含む。反応層はBa、Sr、Ca、Y、Laおよび/またはCeを含むのが好ましい。スピネルとペロブスカイトの両方を含む混合構造の場合には、反応層は周期律表2A族または3A族元素、またはREMを、遷移金属と共に含んでもよい。あるいは、基板からMnおよび/またはREMを拡散させる。
0.2mm厚のフェライト系Crステンレス鋼ストリップ基板を被覆した。被膜は均質化処理してCrM層を実現するようにした(ただしMはLaとMnの混合物である)。被膜中のCr濃度は約35〜55(重量)%であり、またMn濃度は約30〜60(重量)%、La濃度は3〜4(重量)%である。
フェライト系クロム鋼(代表組成: C≦0.05%; Si≦0.25%; Mn≦0.35; Cr 21〜23%; Ni≦0.40%; Mo 0.80〜1.2%; Al≦0.01%; Nb 0.60〜0.90%; V、Ti、Zr 各々少量添加; および天然不純物)2サンプルを製造した。うち1サンプルは0.1μm厚Co層と0.3μm厚Cr層で被覆した。両サンプルは空気中、850℃で168時間酸化させてから分析した。サンプルの分析は斜入射X線回折法(GIXRD)により入射角0.5度で行った(図2参照)。GIXRDは表面感受性の高い回折法であり、酸化鋼最上層の結晶相だけが分析される。斜入射X線が到達しない最上層の下の結晶相はディフラクトグラムには示されない。各サンプルの酸化物スケールの最上層に形成されるクロム酸化物対スピネル量の比は、2θ=36.7度でのCr2O3(エスコライト)反射光のピークツーボトム(peak to bottom)強度(3)を測定し、それを2θ≒45度でのスピネル反射光強度(4)で割って、求めた。このエスコライト/スピネル比は非被覆酸化サンプルでは9.9であったが、被覆サンプルでは1.0であった。これは、形成される表面酸化物スケール中のスピネル構造の10倍の増加と解釈することができる。図2の(1)ディフラクトグラムは空気中、850℃で168時間酸化させた非被覆サンプルであり、(2) ディフラクトグラムは空気中、850℃で168時間酸化させた被覆サンプルである。
フェライト系クロム鋼(代表組成: C≦0.05%; Si≦0.25%; Mn≦0.35; Cr 21〜23%; Ni≦0.40%; Mo 0.80〜1.2%; Al≦0.01%; Nb 0.60〜0.90%; V、Ti、Zr 各々少量添加; および天然不純物)3サンプルを製造した。うち2サンプルは空気中で前酸化処理して100nm厚の酸化物スケールを形成させた。前酸化処理したサンプルはその後、金属層で被覆した。金属層はサンプル2では300nm厚のNi層であり、サンプル3では300nm厚のCo層であった。3サンプルはすべて空気中、850℃で168時間酸化させてから分析した。サンプルの分析は斜入射X線回折法(GIXRD)により入射角0.5度で行った(図3参照)。GIXRDは表面感受性の高い回折法であり、酸化鋼最上層の結晶相だけが分析される。斜入射X線が到達しない最上層の下の結晶相はディフラクトグラムには示されない。各サンプルの酸化物スケールの最上層に形成されるクロム酸化物対スピネル量の比は、2θ=36.7度でのCr2O3(エスコライト)反射光のピークツーボトム強度(4)を測定し、それを2θ≒45度でのスピネルMCr2O4反射光強度(5)で割って、求めた。Cr2O3/MCr2O4比は非被覆酸化サンプルでは9.9であったが、Ni層被覆/前酸化処理サンプルでは1.26、Co層被覆/前酸化処理サンプルでは0.98であった。これは、形成される表面酸化物スケール中のスピネル構造の、それぞれ8.5倍、10倍の増加と解釈することができる。ここでは、サンプルを酸化するとNi層がスケール中でより多くの酸化物を形成するだけでなく、NiOも形成される(6)ことに注目すると興味深い。図3の(1)ディフラクトグラムは空気中、850℃で168時間酸化させた非被覆サンプルであり、(2) ディフラクトグラムは空気中、850℃で168時間酸化させたNi層被覆/前酸化サンプルであり、また(3) ディフラクトグラムは空気中、850℃で168時間酸化させたCo層被覆/前酸化サンプルである。
Claims (23)
- 金属基材からなる燃料電池構成部品であって、
該金属基材は、
金属または合金をベースにした少なくとも1つの金属層と、
酸化時に該金属または合金と共に少なくとも1つの複合混合酸化物を形成する少なくとも1つの元素または化合物を含む少なくとも1つの反応層と
を含む被膜を備えたことを特徴する燃料電池構成部品。 - 複合混合酸化物はスピネルおよび/またはペロブスカイトを含む請求項1に記載の燃料電池構成部品。
- 金属層はAl、Cr、Co、Mo、Ni、Ta、W、Zrまたはこれらの元素のいずれか1つをベースにした合金からなる群より選択される金属をベースにする請求項1に記載の燃料電池構成部品。
- 各層は厚さが20μm未満である請求項1または2に記載の燃料電池構成部品。
- 被膜は、反応層に加えて、好ましくは同じ金属または合金をベースにした、少なくとも2つの別々の金属層を含む、先行する請求項のいずれかに記載の燃料電池構成部品。
- 金属基材は0.1〜5重量%のMnおよび/または0.01〜3重量%の単数または複数の希土類金属を含む、先行する請求項のいずれかに記載の燃料電池構成部品。
- 金属層はCrまたはCr系合金であり、反応層は少なくとも1つの遷移金属、周期律表2A族または3A族の元素、および/または単数または複数の希土類金属を含む、先行する請求項のいずれかに記載の燃料電池構成部品。
- 反応層は金属層の金属または合金とは別の金属または合金である先行する請求項のいずれかに記載の燃料電池構成部品。
- 基材はコバルト層およびニッケル層で被覆する請求項1〜6または8のいずれかに記載の燃料電池構成部品。
- 反応層は基板の前酸化処理により得られる酸化物であり、金属層はNi層またはCo層である、請求項1〜6のいずれかに記載の燃料電池構成部品。
- 反応層はLa、Y、Ce、Bi、Sr、Ba、Ca、Mg、Mn、Co、Ni、Feおよびそれらの混合物からなる群より選択される少なくとも1つの元素を含む請求項1〜7のいずれかに記載の燃料電池構成部品。
- 金属基材はステンレス鋼である、先行する請求項のいずれかに記載の燃料電池構成部品。
- 発電および/または発熱装置として機能する固体酸化物燃料電池に用いるインターコネクトである、先行する請求項のいずれかに記載の燃料電池構成部品。
- 電解装置として機能する固体酸化物燃料電池に用いるインターコネクトである、先行する請求項のいずれかに記載の燃料電池構成部品。
- 請求項1に記載の燃料電池構成部品を具備する発電および/または発熱装置。
- 請求項1に記載の燃料電池構成部品を具備する電解装置。
- 金属基材からなる燃料電池構成部品の製造方法であって、下記の工程:
(i) 該金属基材表面に、少なくとも1つの金属層と、酸化時に該金属または合金と共に少なくとも1つの複合混合酸化物構造を形成する少なくとも1つの元素または化合物層とを施す工程、
(ii) 前記の諸層を互いに反応させる、または互いに拡散させる工程、
(iii) 該金属基材を該諸層と共に酸化させ、以って少なくとも1つの複合混合酸化物構造を該基材の表面に形成させる工程
を含む方法。 - 複合混合酸化物はスピネルおよび/またはペロブスカイトを含む請求項17に記載の方法。
- 金属層はAl、Cr、Co、Ni、Mo、Ta、W、Zrまたはこれらの元素のいずれか1つをベースにした合金からなる群より選択される金属または合金をベースにする請求項17に記載の方法。
- 金属層は被覆法で金属基材表面に施す請求項17〜19のいずれかに記載の方法。
- 反応層は被覆法で金属基材表面に施す請求項17〜20のいずれかに記載の方法。
- 酸化時に金属または合金と共に複合混合酸化物を形成する化合物は酸化物である請求項17〜20のいずれかに記載の方法。
- 酸化物は基材の前酸化処理により基材ストリップ表面に少なくとも50nmの厚さに施す請求項22に記載の方法。
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JPH05290863A (ja) * | 1992-04-08 | 1993-11-05 | Tokyo Electric Power Co Inc:The | 平板型固体電解質燃料電池用金属インタコネクタの耐酸化表面改質法 |
JPH11501764A (ja) * | 1995-03-15 | 1999-02-09 | セラミック・フューエル・セルズ・リミテッド | 燃料電池インタコネクタデバイス |
JP2001196077A (ja) * | 2000-01-13 | 2001-07-19 | Tokyo Gas Co Ltd | 固体電解質型燃料電池のセパレータ |
JP2006107936A (ja) * | 2004-10-06 | 2006-04-20 | Tokyo Gas Co Ltd | 平板形固体酸化物燃料電池用インターコネクタ |
JP2008522037A (ja) * | 2004-11-30 | 2008-06-26 | サンドビック インテレクチュアル プロパティー アクティエボラーグ | 電気接点用のペロブスカイトまたはスピネルの表面被膜を形成するストリップ製品 |
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JP2008077913A (ja) * | 2006-09-20 | 2008-04-03 | Sumitomo Precision Prod Co Ltd | 燃料電池用インターコネクタ及びセルスタック |
JP2010003689A (ja) * | 2008-06-20 | 2010-01-07 | General Electric Co <Ge> | 燃料電池インターコネクト構造体並びに関連するデバイス及び方法 |
WO2011105578A1 (ja) * | 2010-02-25 | 2011-09-01 | 京セラ株式会社 | 複合体、集電部材、ガスタンクおよび燃料電池セル装置 |
CN102753729A (zh) * | 2010-02-25 | 2012-10-24 | 京瓷株式会社 | 复合体、集电部件、储气罐和燃料电池单元装置 |
JP5230812B2 (ja) * | 2010-02-25 | 2013-07-10 | 京セラ株式会社 | 複合体、集電部材、ガスタンクおよび燃料電池セル装置 |
US9935320B2 (en) | 2010-02-25 | 2018-04-03 | Kyocera Corporation | Composite body, collector member, gas tank, and fuel cell device |
JP2012119126A (ja) * | 2010-11-30 | 2012-06-21 | Magunekusu Kk | 固体酸化物燃料電池 |
JP2018181745A (ja) * | 2017-04-20 | 2018-11-15 | 日本特殊陶業株式会社 | 導電性部材、電気化学反応単位、および、電気化学反応セルスタック |
JP2021150207A (ja) * | 2020-03-19 | 2021-09-27 | 日立金属株式会社 | 固体酸化物形燃料電池部材用被覆鋼材、並びに、固体酸化物形燃料電池部材およびその製造方法 |
JP7413867B2 (ja) | 2020-03-19 | 2024-01-16 | 株式会社プロテリアル | 固体酸化物形燃料電池部材用被覆鋼材、並びに、固体酸化物形燃料電池部材およびその製造方法 |
Also Published As
Publication number | Publication date |
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CA2584355A1 (en) | 2006-06-08 |
KR101323559B1 (ko) | 2013-10-29 |
AU2005310323B2 (en) | 2011-01-20 |
SE0402935L (sv) | 2006-05-31 |
JP5133695B2 (ja) | 2013-01-30 |
CN101068678B (zh) | 2012-08-22 |
CA2584355C (en) | 2013-08-27 |
EP1819507A1 (en) | 2007-08-22 |
WO2006059943A1 (en) | 2006-06-08 |
DK1819507T3 (da) | 2013-06-24 |
KR20070105305A (ko) | 2007-10-30 |
CN101068678A (zh) | 2007-11-07 |
SE0402935D0 (sv) | 2004-11-30 |
AU2005310323A1 (en) | 2006-06-08 |
ES2413012T3 (es) | 2013-07-15 |
EP1819507B1 (en) | 2013-03-27 |
US20080299417A1 (en) | 2008-12-04 |
SE528379C2 (sv) | 2006-10-31 |
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