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Solid oxide fuel cell structure and preparation method thereof

A solid oxide and fuel cell technology, applied in the direction of solid electrolyte fuel cells, fuel cells, battery electrodes, etc., to achieve the effect of improving cathode performance, improving the ability to absorb oxygen and the performance of dissociated oxygen

Inactive Publication Date: 2014-01-08
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, solid oxide fuel cell technology is facing great challenges due to issues such as cost, stability and efficiency. Therefore, developing and researching new solid oxide fuel cell technology to improve its performance has important economic value and social benefits. played a key role in the sustainable development of human

Method used

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  • Solid oxide fuel cell structure and preparation method thereof

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Embodiment 1

[0015] The battery structure is supported by the electrolyte layer 3, YSZ is used as the electrolyte material, and a layer of LSM (La 0.8 S 0.2 MnO 3 ) layer 2, the battery anode layer 4 made of Ni-YSZ is prepared on the other side of the electrolyte layer 3, and a thin layer of PrBaCo with a thickness of about 2 microns is prepared on the LSM layer 2 by magnetron sputtering technology 2 o 5 In layer 1, the thin film formed after magnetron sputtering is heat-treated at 800°C for 1 hour to form a solid oxide fuel cell with a new structure nuclear material system.

Embodiment 2

[0017] The battery structure is supported by the electrolyte layer 3, YSZ is used as the electrolyte material, and a layer of LSM (La 0.8 S 0.2 MnO 3 ) layer 2, on the other side of the electrolyte layer 3, the battery anode layer 4 whose material is Ni-YSZ is prepared, and a thin layer of PrBaCo with a thickness of about 3 microns is prepared by magnetron sputtering technology on the LSM layer 2 2 o 5 In layer 1, the thin film formed after magnetron sputtering is heat-treated at 700°C for 80 minutes to form a solid oxide fuel cell with a new structure nuclear material system.

Embodiment 3

[0019] The battery structure is supported by the electrolyte layer 3, YSZ is used as the electrolyte material, and a layer of LSM (La 0.8 S 0.2 MnO 3 ) layer 2, on the other side of the electrolyte layer 3, the battery anode layer 4 whose material is Ni-YSZ is prepared, and a thin layer of PrBaCo with a thickness of about 4 microns is prepared by magnetron sputtering technology on the LSM layer 2 2 o 5 In layer 1, the thin film formed after magnetron sputtering is heat-treated at 900°C for 50 minutes to form a solid oxide fuel cell with a new structure nuclear material system.

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Abstract

The invention belongs to the field of solid oxide fuel cells, in particular relates to a solid oxide fuel cell structure and a preparation method thereof. The cell structure comprises a cell cathode layer, an electrolyte layer and a cell anode layer in sequence from top to bottom, wherein the cell cathode layer is divided into a PrBaCo2O5 layer and an LSM (La0.8S0.2MnO3) layer from top to bottom; the electrolyte layer is YSZ (Yttria Stabilized Zirconia); the cell anode layer is Ni-YSZ; and the thickness of the PrBaCo2O5 layer is 2-4 microns. Because PrBaCo2O5 has higher catalytic performance, oxygen diffusion coefficients, surface exchange coefficients and oxygen ion migration capability, the oxygen adsorbing capability and oxygen dissociating capability of a cathode can be improved by adopting a PrBaCo2O5-LSM / YSZ / Ni-YSZ structure and material system; and the solid oxide fuel cell structure has the characteristic of improving the cathode performance of the solid oxide fuel cells.

Description

technical field [0001] The invention belongs to the field of solid oxide fuel cells, in particular to a solid oxide fuel cell structure and a preparation method thereof. Background technique [0002] With the depletion of oil and the serious problem of environmental degradation that people are facing, research and development of new energy conversion technology has become the mainstream idea in today's society. Solid oxide fuel cells are environmentally friendly, high energy conversion efficiency and widely used in fuels. Its basic working principle is an all-solid-state electrochemical power generation device that directly converts chemical energy into electrical energy. It is a new type of green energy technology that is being developed by countries all over the world. The best way to deal with the environmental crisis. However, solid oxide fuel cell technology is facing great challenges due to issues such as cost, stability and efficiency. Therefore, developing and resea...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M4/90H01M8/12H01M8/1246
CPCY02E60/521Y02E60/525Y02E60/50
Inventor 张东博崔兴华曹健
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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