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Solid electrolyte fuel cell and process for the production thereof

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

Inactive Publication Date: 2010-07-21
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 cell

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

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

[0103] Then put the pa...

Embodiment 2

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

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

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

[0127] Then put the pa...

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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 preparation method thereof. More specifically, the present invention relates to a solid electrolyte fuel cell and a preparation method thereof, which has a cathode layer formed on one side of the solid electrolyte layer, and An anode layer 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 the combustion flame to generate electric energy. This fuel cell is Figure 13 Shown in. Figure 13 The fuel cell 100 shown (hereinafter referred to as "solid electrolyte fuel cell 100") has a cathode layer 104 having a dense structure formed on one side of the solid electrolyte layer 102, and on the other side of the solid electrolyte layer 102 The anode layer 110 is formed on. The cathode layer 104 and the anode layer 110 are each in the form of a porous layer, and meshed metals 1...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M8/10H01M8/02H01M4/86H01M4/88H01M8/12
CPCH01M8/1213H01M4/8825H01M4/8626Y02E60/521H01M4/8885H01M4/8657Y02E60/525H01M4/861H01M2008/1293H01M4/881Y02E60/50Y02P70/50
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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