JP5592789B2 - 全平面内の熱勾配に対処するsofcスタック中のセル材料の変動 - Google Patents
全平面内の熱勾配に対処するsofcスタック中のセル材料の変動 Download PDFInfo
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- 239000000463 material Substances 0.000 title claims description 21
- 239000000446 fuel Substances 0.000 claims description 77
- 229910052709 silver Inorganic materials 0.000 claims description 38
- 239000007787 solid Substances 0.000 claims description 25
- 238000005275 alloying Methods 0.000 claims description 20
- 239000003795 chemical substances by application Substances 0.000 claims description 19
- 229910045601 alloy Inorganic materials 0.000 claims description 17
- 239000000956 alloy Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 29
- 239000004332 silver Substances 0.000 description 29
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 25
- 239000010410 layer Substances 0.000 description 17
- 229910052763 palladium Inorganic materials 0.000 description 12
- 238000009792 diffusion process Methods 0.000 description 7
- 230000015556 catabolic process Effects 0.000 description 6
- 238000006731 degradation reaction Methods 0.000 description 6
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000001878 scanning electron micrograph Methods 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000007784 solid electrolyte Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 229910001233 yttria-stabilized zirconia Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- QIMZHEUFJYROIY-UHFFFAOYSA-N [Co].[La] Chemical compound [Co].[La] QIMZHEUFJYROIY-UHFFFAOYSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000010344 co-firing Methods 0.000 description 2
- VMTPSMDWKJCNNA-UHFFFAOYSA-N cobalt lanthanum oxonickel Chemical compound [Ni]=O.[Co].[La] VMTPSMDWKJCNNA-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 239000010406 cathode material Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011195 cermet Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004489 contact powder Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- 239000002346 layers by function Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- -1 oxygen ions Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- H01M4/90—Selection of catalytic material
- H01M4/9041—Metals or alloys
- H01M4/905—Metals or alloys specially used in fuel cell operating at high temperature, e.g. SOFC
- H01M4/9058—Metals or alloys specially used in fuel cell operating at high temperature, e.g. SOFC of noble metals or noble-metal based alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
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- H01M4/8642—Gradient in composition
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- H01M4/88—Processes of manufacture
- H01M4/8878—Treatment steps after deposition of the catalytic active composition or after shaping of the electrode being free-standing body
- H01M4/8882—Heat treatment, e.g. drying, baking
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- H01M4/90—Selection of catalytic material
- H01M4/9041—Metals or alloys
- H01M4/905—Metals or alloys specially used in fuel cell operating at high temperature, e.g. SOFC
- H01M4/9066—Metals or alloys specially used in fuel cell operating at high temperature, e.g. SOFC of metal-ceramic composites or mixtures, e.g. cermets
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- H01M4/92—Metals of platinum group
- H01M4/921—Alloys or mixtures with metallic elements
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- H01M8/10—Fuel cells with solid electrolytes
- H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
- H01M8/124—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte
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Description
LCN中、0.5wt% Ag
LCN中、1wt% Ag
LCN中、2wt% Ag
LCN中、3wt% Ag
LCN中、10vol% Ag
スクリーン印刷インクは、Ag−LCNカソード接触粉末が固体で75%w/w充填されており、有機ビヒクルが残り25%w/wを占めた。カソード接触ペーストを1×1cmの正方形パターンでTSC−2セルカソード上にスクリーン印刷し、乾燥させた。サンプルを900℃で5時間、共焼成した。焼結後、サンプルを分析し、印刷された領域から横方向の面(x−y)における銀の拡散の程度を求めた。
Claims (8)
- 複数の平板積層型燃料電池ユニット、各前記燃料電池ユニット間に配置された電気伝導性フローセパレータプレート、および前記燃料電池ユニットの各カソード電極と各前記電気伝導性フローセパレータプレートとの間に配置されたカソード接触材料要素を有する固体酸化物型燃料電池スタックにおいて、少なくとも1つの前記カソード接触材料要素が、カソード電極中のPdと反応して前記燃料電池スタック内の前記複数の平板積層型燃料電池ユニット内の前記カソード電極の位置に基づいて前記カソード電極の作動温度を調節してカソードが被る温度にカソードの作動温度を適合させる合金を形成する合金化剤を含み、
前記合金化剤は、前記合金の1〜65重量%であり、Au、Ag、Pt、Cr、Nb、ならびにこれらの混合物および合金からなる群から選択される金属であることを特徴とする、固体酸化物型燃料電池スタック。 - 前記合金化剤がAgである、請求項1に記載の固体酸化物型燃料電池スタック。
- 前記合金化剤が、前記合金の1〜50重量%である、請求項1に記載の固体酸化物型燃料電池スタック。
- 前記燃料電池ユニットがアノード支持型ユニットである、請求項1に記載の固体酸化物型燃料電池スタック。
- 固体酸化物型燃料電池スタック中の平板型燃料電池ユニットの作動温度を前記スタック内におけるその位置に応じて調節してカソードが被る温度にカソードの作動温度を適合させる方法であって、
前記燃料電池スタックが、複数の平板積層型燃料電池ユニット、各前記燃料電池ユニット間に配置された電気伝導性フローセパレータプレート、および前記燃料電池ユニットの各カソード電極と各前記電気伝導性フローセパレータプレートとの間に配置されたカソード接触材料要素を有し、
前記カソード接触材料要素の少なくとも1つに、前記カソード電極中のPdと反応して合金を形成する合金化剤であって、前記合金化剤は、前記合金の1〜65重量%であり、Au、Ag、Pt、Cr、Nb、ならびにこれらの混合物および合金からなる群から選択される金属であることを特徴とする前記合金化剤を添加する工程、を含む、方法。 - 前記合金化剤がAgである、請求項5に記載の方法。
- 前記合金化剤が、前記燃料電池スタック内の前記少なくとも1つのカソード接触材料要素の位置に基づいて可変な量で添加される、請求項5に記載の方法。
- 前記合金化剤が、前記合金の1〜50重量%である、請求項5に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US11/879,388 US9190669B2 (en) | 2006-10-02 | 2007-07-17 | Cell materials variation in SOFC stacks to address thermal gradients in all planes |
US11/879,388 | 2007-07-17 | ||
PCT/EP2008/058414 WO2009010384A1 (en) | 2007-07-17 | 2008-07-01 | Cell materials variation in sofc stacks to address thermal gradients in all planes |
Publications (2)
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JP2010533941A JP2010533941A (ja) | 2010-10-28 |
JP5592789B2 true JP5592789B2 (ja) | 2014-09-17 |
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JP2010516445A Active JP5592789B2 (ja) | 2007-07-17 | 2008-07-01 | 全平面内の熱勾配に対処するsofcスタック中のセル材料の変動 |
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Country | Link |
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US (2) | US9190669B2 (ja) |
EP (1) | EP2176906A1 (ja) |
JP (1) | JP5592789B2 (ja) |
AU (1) | AU2008277838B2 (ja) |
CA (1) | CA2693894C (ja) |
WO (1) | WO2009010384A1 (ja) |
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US9190669B2 (en) | 2006-10-02 | 2015-11-17 | Versa Power Systems, Ltd. | Cell materials variation in SOFC stacks to address thermal gradients in all planes |
JP6543340B2 (ja) | 2014-10-07 | 2019-07-10 | プロトネクス テクノロジー コーポレイション | Sofc−伝導 |
US10790523B2 (en) | 2015-10-20 | 2020-09-29 | Upstart Power, Inc. | CPOX reactor control system and method |
EP3365934B1 (en) | 2015-10-20 | 2022-12-21 | Upstart Power, Inc. | Improved cpox fuel reformer |
CN109845009B (zh) | 2016-08-11 | 2022-10-25 | 新兴电力公司 | 平面固体氧化物燃料单体电池和电池堆 |
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2007
- 2007-07-17 US US11/879,388 patent/US9190669B2/en active Active
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CA2693894C (en) | 2017-07-18 |
EP2176906A1 (en) | 2010-04-21 |
US20160156041A1 (en) | 2016-06-02 |
WO2009010384A1 (en) | 2009-01-22 |
US9190669B2 (en) | 2015-11-17 |
AU2008277838A1 (en) | 2009-01-22 |
JP2010533941A (ja) | 2010-10-28 |
CA2693894A1 (en) | 2009-01-22 |
US9559364B2 (en) | 2017-01-31 |
AU2008277838B2 (en) | 2012-05-03 |
US20080081229A1 (en) | 2008-04-03 |
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