Interconnector material, intercellular separation structure, and solid electrolyte fuel cell
US-2015030958-A1 · Jan 29, 2015 · US
Electrical connection material for solid oxide fuel cell, solid oxide fuel cell, solid oxide fuel cell module, and method for manufacturing solid oxide fuel cell
US9653739B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9653739-B2 |
| Application number | US-201514945873-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 19, 2015 |
| Priority date | Jul 21, 2011 |
| Publication date | May 16, 2017 |
| Grant date | May 16, 2017 |
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Abstract
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A method for manufacturing solid oxide fuel cells, which includes preparing an electrical connection material, preparing a stacked body by stacking a plurality of power generation cells with the electrical connection material interposed therebetween, and firing the stacked body while applying pressure on the stacked body in a direction of stacking the power generation cells. The electrical connection material includes a ceramic porous layer and a ceramic dense layer stacked on the ceramic porous layer, the ceramic dense layer having a porosity lower than a porosity of the ceramic porous layer.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method for manufacturing a solid oxide fuel cell, the method comprising: preparing an electrical connection material, the electrical connection material comprising a ceramic porous layer and a ceramic dense layer stacked on the ceramic porous layer, the ceramic dense layer having a porosity lower than a porosity of the ceramic porous layer; preparing a stacked body by stacking a plurality of power generation cells with the electrical connection material interposed therebetween, each of the plurality of power generation cells comprising a first separator, a second separator and a power generation element between the first separator and the second separator, and the power generation element including an air electrode layer, a fuel electrode layer, a solid electrolyte layer between the air electrode layer and the fuel electrode layer; and firing the stacked body while applying pressure on the stacked body in a direction of stacking the power generation cells. 2. The method for manufacturing a solid oxide fuel cell according to claim 1 , wherein the ceramic porous layer has a porosity within a range of 20% to 90%. 3. The method for manufacturing a solid oxide fuel cell according to claim 2 , wherein the ceramic dense layer has a porosity of 0% to 20%. 4. The method for manufacturing a solid oxide fuel cell according to claim 1 , wherein the ceramic dense layer has a porosity of 0% to 20%. 5. The method for manufacturing a solid oxide fuel cell according to claim 1 , wherein the ceramic porous layer has a thickness in a range of 0.40 times to 0.92 times a thickness of the electrical connection material after the firing. 6. The method for manufacturing a solid oxide fuel cell according to claim 1 , wherein the ceramic porous layer comprises at least one surface of the electrical connection material.
Assignees
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Classifications
Manufacturing or production processes characterised by the final manufactured product · CPC title
Fuel cells · CPC title
the electrolyte consisting of oxides · CPC title
High-temperature cells with solid electrolytes · CPC title
Cross-Sectional Technologies · mapped topic
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- What does patent US9653739B2 cover?
- A method for manufacturing solid oxide fuel cells, which includes preparing an electrical connection material, preparing a stacked body by stacking a plurality of power generation cells with the electrical connection material interposed therebetween, and firing the stacked body while applying pressure on the stacked body in a direction of stacking the power generation cells. The electrical conn…
- Who is the assignee on this patent?
- Murata Manufacturing Co
- What technology area does this patent fall under?
- Primary CPC classification H01M8/0245. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue May 16 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).