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Solid electrolyte fuel cell and process for the production thereof

A solid electrolyte and solid electrolyte layer technology, applied in solid electrolyte fuel cells, fuel cells, components of fuel cells, etc., can solve problems such as adhesion damage, and achieve the effect of improving power supply and durability

Inactive Publication Date: 2007-10-03
SHINKO ELECTRIC IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] After further observation, it was found that the adhesion between the metal wires embedded in the cathode layer 104 and the cathode layer 104 used to form the mesh metal was destroyed

Method used

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  • Solid electrolyte fuel cell and process for the production thereof
  • Solid electrolyte fuel cell and process for the production thereof
  • Solid electrolyte fuel cell and process for the production thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0100] (1) Preparation of solid electrolyte fuel cells

[0101] In order to prepare the solid electrolyte layer 10, a pressure of 150kg / cm 2 The hydraulic press presses the plain weave fabrics 22, 22 to both sides of the solid electrolyte green sheet with a doctor blade method. The fabric 22, 22 is then peeled off from both sides of the green sheet. Then, both sides of the thus peeled solid electrolyte green sheet were observed. As a result, it was found that periodic checkerboard-shaped first roughened portions were formed. It was also found that the first roughened portion has a second roughened portion having a short period formed thereon of the single fibers constituting the fabric 22 , 22 .

[0102] The solid electrolyte green sheet was punched into a circular shape and then calcined at 1,300 °C to obtain the Sm 0.2 Ce 0.8 o 1.9 (Samarium oxide-doped ceria: SDC) made of a ceramic substrate having a thickness of 180 μm and a diameter φ of 15 mm.

[0103] Then put th...

Embodiment 2

[0124] (1) Preparation of solid electrolyte fuel cells

[0125] In order to prepare the solid electrolyte layer 10, a pressure of 150kg / cm 2 The hydraulic press presses the plain weave fabrics 22, 22 to both sides of the solid electrolyte green sheet with a doctor blade method. The fabric 22, 22 is then peeled off from both sides of the green sheet. Then, both sides of the thus peeled solid electrolyte green sheet were observed. As a result, it was found that periodic checkerboard-shaped first roughened portions were formed. It was also found that the first roughened portion has a second roughened portion having a short period formed thereon of the single fibers constituting the fabric 22 , 22 .

[0126] The solid electrolyte green sheet was punched into a circular shape and then calcined at 1,300 °C to obtain the Sm 0.2 Ce 0.8 o 1.9 (Samarium oxide-doped ceria: SDC) made of a ceramic substrate having a thickness of 180 μm and a diameter φ of 15 mm.

[0127] Then put th...

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Abstract

A solid electrolyte fuel cell comprising a cathode layer 16 formed on one side of a solid electrolyte layer 10 and an anode layer 18 formed on the other side of the solid electrolyte layer 10, wherein the cathode layer 16 comprises a first cathode layer 12 formed in contact with the solid electrolyte layer and a second cathode layer 14 formed covering the first cathode layer 12, the second cathode layer 14 is formed having a higher porosity than the first cathode layer 12 and the first cathode layer 12 is divided into a plurality of island-shaped portions 12a,12A.

Description

technical field [0001] The present invention relates to a solid electrolyte fuel cell and a method for producing the same, and more particularly, the present invention relates to a solid electrolyte fuel cell and a method for producing the same, which has a cathode layer formed on one side of the solid electrolyte layer, and An anode layer is formed on the other side of the solid electrolyte layer. Background technique [0002] Patent Document 1 cited below proposes a simple fuel cell that can be placed in or near a combustion flame to generate electricity. Such a fuel cell is shown in FIG. 13 . A fuel cell 100 shown in FIG. 13 (hereinafter referred to as "solid electrolyte fuel cell 100") has a cathode layer 104 having a dense structure formed on one side of a solid electrolyte layer 102, and An anode layer 110 is formed on one side. The cathode layer 104 and the anode layer 110 are each in the form of a porous layer, and a mesh metal 106, 112 is embedded or fixed therei...

Claims

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Application Information

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IPC IPC(8): H01M8/10H01M8/02H01M4/86H01M4/88H01M8/12
CPCY02E60/525Y02E60/521H01M4/8885H01M4/8626H01M2008/1293H01M4/8657H01M8/1213H01M4/861H01M4/881H01M4/8825Y02E60/50Y02P70/50
Inventor 片桐史雅菅沼茂明德武安卫吉池润堀内道夫
Owner SHINKO ELECTRIC IND CO LTD
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