Method for preparing tubular solid oxide fuel cell

A solid oxide and fuel cell technology, applied in solid electrolyte fuel cells, fuel cells, circuits, etc., can solve the problems of reduced stack power density, low area power density, and insufficient pores, and achieve a simple and environmentally friendly preparation method. The effect of good mechanical properties and excellent electrochemical properties
CN106207221AActive Publication Date: 2016-12-07SHANXI UNIV
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
SHANXI UNIV
Publication Date
2016-12-07
Patent Text Reader

Abstract

The invention belongs to the technical field of a solid fuel cell, and in particular relates to a method for preparing a tubular solid oxide fuel cell. The method for preparing the tubular solid oxide fuel cell comprises the following steps of (1) preparing a tubular porous positive electrode support body die; (2) preparing a tubular porous positive electrode support body; (3) uniformly spraying or immersing electrolyte paste on a surface of the tubular porous positive electrode support body; (4) uniformly spraying or immersing functional layer paste on a surface of an electrolyte layer of the tubular porous positive electrode support body; and (5) uniformly spraying or immersing a negative electrode paste on a surface of a functional layer of the tubular porous positive electrode support body. The preparation method has the advantages of simplicity, environmental friendliness and high repeatability, the production cost is reduced, and industrial application is facilitated.
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Description

technical field

[0001] The invention belongs to the technical field of solid fuel cells, and in particular relates to a method for preparing tubular solid oxide fuel cells. Background technique

[0002] A fuel cell is a power generating device that converts the chemical energy of fuel directly into electrical energy. Medium and high temperature solid oxide fuel cell (SOFC for short) is characterized by high power generation efficiency. Combined with a gas turbine to generate electricity, the efficiency is as high as 70%, and the quality of waste heat is high. If the waste heat is used reasonably, its thermal efficiency can reach 80%. above. Pollutants are close to zero emission, which is an ideal power generation system with high efficiency and cleanliness.

[0003] At present, there are mainly two types of SOFC structures developed in the world: planar and tubular. The plate-like structure has the advantages of short current channel, higher output current density and pow...

Claims

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