JP2015062176A5 - - Google Patents
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- JP2015062176A5 JP2015062176A5 JP2014169570A JP2014169570A JP2015062176A5 JP 2015062176 A5 JP2015062176 A5 JP 2015062176A5 JP 2014169570 A JP2014169570 A JP 2014169570A JP 2014169570 A JP2014169570 A JP 2014169570A JP 2015062176 A5 JP2015062176 A5 JP 2015062176A5
- Authority
- JP
- Japan
- Prior art keywords
- barrier layer
- fuel cell
- air electrode
- oxide fuel
- solid oxide
- 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.)
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- 239000000446 fuel Substances 0.000 claims 8
- 239000007787 solid Substances 0.000 claims 6
- 239000007784 solid electrolyte Substances 0.000 claims 4
- 239000002245 particle Substances 0.000 claims 3
- OFJATJUUUCAKMK-UHFFFAOYSA-N Cerium(IV) oxide Chemical compound [O-2]=[Ce+4]=[O-2] OFJATJUUUCAKMK-UHFFFAOYSA-N 0.000 claims 2
- 239000002131 composite material Substances 0.000 claims 1
- 239000000470 constituent Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
Claims (6)
空気極と、
前記燃料極と前記空気極の間に配置される固体電解質層と、
前記固体電解質層と前記空気極の間に配置され、セリア系材料を主成分として含むバリア層と、
を備え、
前記バリア層は、前記バリア層を構成する複数のバリア層粒子の粒界に形成された複数の閉空間を有し、
前記閉空間には、前記空気極及び前記固体電解質層それぞれの構成成分を含む複合酸化物が配置されている、
固体酸化物型燃料電池。 An anode,
The air electrode,
A solid electrolyte layer disposed between the fuel electrode and the air electrode;
A barrier layer disposed between the solid electrolyte layer and the air electrode and containing a ceria-based material as a main component;
With
The barrier layer may have a between a plurality of closed spaces formed in the grain boundary of the plurality of barrier layers particles constituting the barrier layer,
In the closed space, a composite oxide containing constituent components of the air electrode and the solid electrolyte layer is disposed.
Solid oxide fuel cell.
請求項１に記載の固体酸化物型燃料電池。 The average equivalent circle diameter of the plurality of closed spaces is 10 nm or more and 100 nm or less.
The solid oxide fuel cell according to claim 1.
請求項１又は２に記載の固体酸化物型燃料電池。 The existence ratio of the plurality of closed spaces in the cross section of the barrier layer is 1 piece / 10 μm 2 or more.
The solid oxide fuel cell according to claim 1 or 2 .
前記バリア層は、前記空気極側に突出する複数の凸部を有し、
前記複数の凸部それぞれは、前記バリア層を構成するバリア層粒子によって形成され、
前記バリア層粒子の平均円相当径は、０．５μｍ以上３μｍ以下であり、
前記バリア層と前記空気極の界面を断面視した場合に、前記複数の凸部の平均幅に対する平均高さの比は、０．０５以上である、
請求項１乃至３のいずれかに記載の固体酸化物型燃料電池。 The fuel electrode, the solid electrolyte layer, and the barrier layer are co-fired,
The barrier layer has a plurality of protrusions protruding to the air electrode side,
Each of the plurality of convex portions is formed by barrier layer particles constituting the barrier layer,
The average equivalent circle diameter of the barrier layer particles is 0.5 μm or more and 3 μm or less,
When the interface between the barrier layer and the air electrode is viewed in cross section, the ratio of the average height to the average width of the plurality of convex portions is 0.05 or more.
The solid oxide fuel cell according to any one of claims 1 to 3 .
請求項４に記載の固体酸化物型燃料電池。 The average value of the radius of curvature at the top of each of the plurality of convex portions is 3.5 μm or less.
The solid oxide fuel cell according to claim 4 .
は、２μｍ以下である、
請求項４又は５に記載の固体酸化物型燃料電池。 The average value of the radius of curvature at the deepest portion between the plurality of convex portions is 2 μm or less.
The solid oxide fuel cell according to claim 4 or 5 .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014169570A JP5980859B2 (en) | 2013-08-22 | 2014-08-22 | Solid oxide fuel cell |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013172208 | 2013-08-22 | ||
| JP2013172208 | 2013-08-22 | ||
| JP2014169570A JP5980859B2 (en) | 2013-08-22 | 2014-08-22 | Solid oxide fuel cell |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016111047A Division JP6393711B2 (en) | 2013-08-22 | 2016-06-02 | Solid oxide fuel cell |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2015062176A JP2015062176A (en) | 2015-04-02 |
| JP2015062176A5 true JP2015062176A5 (en) | 2015-07-02 |
| JP5980859B2 JP5980859B2 (en) | 2016-08-31 |
Family
ID=52821454
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014108126A Active JP5746399B2 (en) | 2013-08-22 | 2014-05-26 | Solid oxide fuel cell |
| JP2014108125A Active JP5746398B2 (en) | 2013-08-22 | 2014-05-26 | Solid oxide fuel cell |
| JP2014169570A Active JP5980859B2 (en) | 2013-08-22 | 2014-08-22 | Solid oxide fuel cell |
| JP2014169569A Active JP6121954B2 (en) | 2013-08-22 | 2014-08-22 | Solid oxide fuel cell |
| JP2016111047A Active JP6393711B2 (en) | 2013-08-22 | 2016-06-02 | Solid oxide fuel cell |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014108126A Active JP5746399B2 (en) | 2013-08-22 | 2014-05-26 | Solid oxide fuel cell |
| JP2014108125A Active JP5746398B2 (en) | 2013-08-22 | 2014-05-26 | Solid oxide fuel cell |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014169569A Active JP6121954B2 (en) | 2013-08-22 | 2014-08-22 | Solid oxide fuel cell |
| JP2016111047A Active JP6393711B2 (en) | 2013-08-22 | 2016-06-02 | Solid oxide fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| JP (5) | JP5746399B2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5746399B2 (en) * | 2013-08-22 | 2015-07-08 | 日本碍子株式会社 | Solid oxide fuel cell |
| JP6097873B1 (en) * | 2016-03-23 | 2017-03-15 | 日本碍子株式会社 | Electrochemical cell |
| JP6393714B2 (en) | 2016-08-09 | 2018-09-19 | 日本特殊陶業株式会社 | Electrochemical reaction cell and electrochemical reaction cell stack |
| KR101978952B1 (en) | 2016-12-13 | 2019-08-28 | 한국과학기술연구원 | High temperature solid oxide cell comprising barrier layer, method for manufacturing the same |
| JP6409152B1 (en) * | 2017-03-29 | 2018-10-17 | 日本碍子株式会社 | Porous ceramic particles and porous ceramic structure |
| JP7433990B2 (en) * | 2020-03-09 | 2024-02-20 | 株式会社ノリタケカンパニーリミテド | Solid oxide fuel cell and its manufacturing method |
| JP7465849B2 (en) * | 2021-06-10 | 2024-04-11 | 森村Ｓｏｆｃテクノロジー株式会社 | Electrochemical reaction single cells and electrochemical reaction cell stacks |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4737946B2 (en) * | 2004-05-14 | 2011-08-03 | 日本特殊陶業株式会社 | Solid electrolyte fuel cell |
| JP2011009174A (en) * | 2009-06-29 | 2011-01-13 | Honda Motor Co Ltd | Method of manufacturing electrolyte-electrode assembly |
| JP4773589B1 (en) * | 2010-06-15 | 2011-09-14 | 日本碍子株式会社 | Fuel cell |
| JP4988072B1 (en) * | 2011-03-03 | 2012-08-01 | 日本碍子株式会社 | Solid oxide fuel cell |
| JP5055463B1 (en) * | 2011-07-21 | 2012-10-24 | 日本碍子株式会社 | Fuel cell |
| JP5122013B1 (en) * | 2011-09-12 | 2013-01-16 | 日本碍子株式会社 | Fuel cell |
| JP5746399B2 (en) * | 2013-08-22 | 2015-07-08 | 日本碍子株式会社 | Solid oxide fuel cell |
-
2014
- 2014-05-26 JP JP2014108126A patent/JP5746399B2/en active Active
- 2014-05-26 JP JP2014108125A patent/JP5746398B2/en active Active
- 2014-08-22 JP JP2014169570A patent/JP5980859B2/en active Active
- 2014-08-22 JP JP2014169569A patent/JP6121954B2/en active Active
-
2016
- 2016-06-02 JP JP2016111047A patent/JP6393711B2/en active Active
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