JP5222011B2 - 固体電解質型燃料電池 - Google Patents
固体電解質型燃料電池 Download PDFInfo
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- JP5222011B2 JP5222011B2 JP2008112882A JP2008112882A JP5222011B2 JP 5222011 B2 JP5222011 B2 JP 5222011B2 JP 2008112882 A JP2008112882 A JP 2008112882A JP 2008112882 A JP2008112882 A JP 2008112882A JP 5222011 B2 JP5222011 B2 JP 5222011B2
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- Prior art keywords
- interconnector
- contact resistance
- fuel cell
- air electrode
- mass
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- 239000000446 fuel Substances 0.000 title claims description 28
- 239000007787 solid Substances 0.000 title description 13
- 239000012528 membrane Substances 0.000 claims description 13
- -1 ceria compound Chemical class 0.000 claims description 12
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims description 12
- 239000007784 solid electrolyte Substances 0.000 claims description 11
- 239000000758 substrate Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 10
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 8
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 8
- 229910052791 calcium Inorganic materials 0.000 claims description 7
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 5
- 229910052772 Samarium Inorganic materials 0.000 claims description 5
- 239000011575 calcium Substances 0.000 description 13
- 239000008135 aqueous vehicle Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 239000011812 mixed powder Substances 0.000 description 8
- 239000000843 powder Substances 0.000 description 8
- 239000002002 slurry Substances 0.000 description 7
- 229910001233 yttria-stabilized zirconia Inorganic materials 0.000 description 5
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 239000011267 electrode slurry Substances 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 229910002367 SrTiO Inorganic materials 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 239000002001 electrolyte material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229910002204 La0.8Sr0.2MnO3 Inorganic materials 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 229910052747 lanthanoid Inorganic materials 0.000 description 1
- 150000002602 lanthanoids Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910002076 stabilized zirconia Inorganic materials 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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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- Fuel Cell (AREA)
Description
図1は、本実施形態に係る円筒型の固体電解質型燃料電池の断面概略図である。多孔質基体管11上に、基体管11側から順に燃料極13、固体電解質膜14、空気極15を積層された単素子12が形成されている。単素子12は基体管11上に複数形成されており、隣接する単素子同士がインターコネクタ16で連結される。インターコネクタ16と空気極15との間に、接触抵抗改善膜17が形成される。
(実施例1)
カルシウム安定化ジルコニア(CSZ)基体管11を、押し出し成形法により成形した。
La0.8Sr0.2MnO3(60質量%)とSm0.2Ce0.8O2(40質量%)との混合粉末を用いて接触抵抗改善膜を形成した以外は、実施例1と同様にして基体管上に単素子を形成した。燃料としてH2+N2を用いて発電試験を実施した。電流密度450mA/cm2の時のインターコネクタ部の電圧降下を計測したところ、76mVであった。
La0.6Ca0.4MnO3(60質量%)とCeO2(40質量%)との混合粉末を用いて接触抵抗改善膜を形成した以外は、実施例1と同様にして基体管上に単素子を形成した。燃料としてH2+N2を用いて発電試験を実施した。電流密度450mA/cm2の時のインターコネクタ部の電圧降下を計測したところ、73mVであった。
12 単素子
13 燃料極
14 固体電解質膜
15 空気極
16 インターコネクタ
17 接触抵抗改善膜
Claims (1)
- 基材上に、燃料極と固体電解質膜と空気極とを備える複数の単素子と、前記複数の単素子のうち隣接する2つの単素子を電気的に接続するインターコネクタとを備える固体電解質型燃料電池であって、
前記空気極と前記インターコネクタとの間に、La1−xAxMnO3(A:アルカリ土類金属元素、0.1≦x≦0.5)で表されるペロブスカイト型酸化物と、B1−yCeyO2(B:Sm,Gd,Ga,Y,Caの中から選択される1種類以上の元素、0.6≦y≦1)で表されるセリア化合物との混合物からなる接触抵抗改善膜を備え、
前記混合物中の前記セリア化合物の混合量が、20質量%以上55質量%以下であることを特徴とする固体電解質型燃料電池。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008112882A JP5222011B2 (ja) | 2008-04-23 | 2008-04-23 | 固体電解質型燃料電池 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008112882A JP5222011B2 (ja) | 2008-04-23 | 2008-04-23 | 固体電解質型燃料電池 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2009266483A JP2009266483A (ja) | 2009-11-12 |
| JP5222011B2 true JP5222011B2 (ja) | 2013-06-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008112882A Expired - Fee Related JP5222011B2 (ja) | 2008-04-23 | 2008-04-23 | 固体電解質型燃料電池 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5222011B2 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10367207B2 (en) | 2014-10-03 | 2019-07-30 | Mitsubishi Hitachi Power Systems, Ltd. | Fuel cell stack including a plurality of fuel cells and method of manufacturing the same |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101164141B1 (ko) * | 2010-12-16 | 2012-07-11 | 한국에너지기술연구원 | 평관형 또는 평판형 고체 산화물 연료전지 |
| JP5622754B2 (ja) * | 2012-01-05 | 2014-11-12 | 三菱重工業株式会社 | 固体電解質型燃料電池の製造方法及び固体電解質型燃料電池 |
| DE102014214781A1 (de) * | 2014-07-28 | 2016-01-28 | Robert Bosch Gmbh | Brennstoffzellenvorrichtung |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3416209B2 (ja) * | 1993-07-30 | 2003-06-16 | 三洋電機株式会社 | 固体電解質型燃料電池 |
| JP3553378B2 (ja) * | 1998-02-19 | 2004-08-11 | 三菱重工業株式会社 | 円筒固体電解質型燃料電池 |
| JP2005243528A (ja) * | 2004-02-27 | 2005-09-08 | Toto Ltd | 固体酸化物形燃料電池 |
| JP4781823B2 (ja) * | 2006-01-13 | 2011-09-28 | 三菱重工業株式会社 | 円筒横縞型燃料電池 |
| JP4859522B2 (ja) * | 2006-05-08 | 2012-01-25 | 三菱重工業株式会社 | 固体電解質型燃料電池及びその製造方法 |
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2008
- 2008-04-23 JP JP2008112882A patent/JP5222011B2/ja not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10367207B2 (en) | 2014-10-03 | 2019-07-30 | Mitsubishi Hitachi Power Systems, Ltd. | Fuel cell stack including a plurality of fuel cells and method of manufacturing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009266483A (ja) | 2009-11-12 |
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