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Semiconductor thin-film electrolyte fuel cell and manufacturing method thereof

A fuel cell and semiconductor technology, applied in fuel cells, battery electrodes, circuits, etc., can solve the problems that the working mechanism of batteries has not been widely understood, and achieve adjustable and controllable electrolyte film thickness, low price, and thin electrolyte film thickness Effect

Active Publication Date: 2018-03-06
HUBEI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

How the battery works is still not widely understood

Method used

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  • Semiconductor thin-film electrolyte fuel cell and manufacturing method thereof
  • Semiconductor thin-film electrolyte fuel cell and manufacturing method thereof
  • Semiconductor thin-film electrolyte fuel cell and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Powdered anode material LiNi 0.8 co 0.2 o 2 (Here Al y , y=0) is pressed into a 1500 micron thick ceramic sheet; then, on the anode ceramic sheet obtained above, utilize magnetron sputtering to prepare a layer of 500 nanometer thick film-like cerium oxide electrolyte layer; then, the powdered cathode Material La 0.6 Sr 0.4 co 0.2 Fe 0.8 o 3 A ceramic sheet with a thickness of 500 microns is pressed with nickel foam as a support; finally, the surface where the cathode material of the above-mentioned cathode ceramic sheet is located and the electrolyte layer on the anode ceramic sheet are pressed together and sintered at a high temperature at 500 degrees Celsius to obtain a semiconductor thin film electrolyte type The fuel cell.

Embodiment 2

[0030] Powdered anode material LiNi 0.8 co 0.15 Al 0.05 o 2 Pressed into a 100-micron-thick ceramic sheet; then, on the anode ceramic sheet obtained above, a 50-nanometer thick film-like titanium dioxide electrolyte layer was prepared by using a sol-gel method; then, the powdered cathode material LiNi 0.8 co 0.15 Al 0.05 o 2 A ceramic sheet with a thickness of 1000 microns is pressed with nickel foam as a support; finally, the surface where the cathode material of the above-mentioned cathode ceramic sheet is located and the electrolyte layer on the anode ceramic sheet are pressed together and sintered at a high temperature at 650 degrees Celsius to obtain a semiconductor thin film electrolyte type The fuel cell.

Embodiment 3

[0032] Powdered anode material LiNi 0.8 co 0.15 Al 0.05 o 2 mixed with samarium-doped cerium oxide with a weight ratio of 50wt.%, and pressed into a ceramic sheet with a thickness of 800 microns; then, a 2000-nm-thick thin-film zinc oxide electrolyte layer was prepared on the anode ceramic sheet obtained above by casting method ; Next, the powdery cathode material LiNi 0.8 co 0.15 Al 0.05 o 2 Mix it with samarium-doped cerium oxide with a weight ratio of 50wt.%, and press it into a ceramic sheet with a thickness of 50 microns with nickel foam as a support; finally, press the surface where the cathode material of the above-mentioned cathode ceramic sheet is located and the electrolyte layer on the anode ceramic sheet Carry out high-temperature sintering together at 600 degrees Celsius to obtain a semiconductor thin-film electrolyte fuel cell.

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Abstract

The invention provides a semiconductor thin-film electrolyte fuel cell and a manufacturing method thereof. The semiconductor thin-film electrolyte fuel cell structurally comprises a cathode layer, anelectrolyte layer and an anode layer, wherein the material of the cathode layer is an ABO3-type perovskite oxide material or a layered lithium-containing oxide material or a composite material of theABO3-type perovskite oxide material or the layered lithium-containing oxide material and 0-50wt.% of doped cerium oxide; the material of the electrolyte layer is a binary oxide semiconductor material;and the material of the anode layer is a layered lithium-containing oxide material or a nickel and cobalt oxide material or a composite material of the layered lithium-containing oxide material or the nickel and cobalt oxide material and the 0-50wt.% of doped cerium oxide. The manufacturing method comprises the following manufacturing steps of pressing an anode ceramic plate and then preparing athin-film electrolyte layer at one side of the anode ceramic plate; and pressing a cathode ceramic plate, then pressing the cathode ceramic plate and the anode ceramic plate together through lamination of the electrolyte layer and carrying out high-temperature sintering to obtain a product. An electrolyte thin film is relatively small, adjustable and controllable in thickness; the electrolyte material is simple in composition, low in preparation temperature and low in cost; and the battery has the characteristic of low operating temperature.

Description

technical field [0001] The invention belongs to the field of solid oxide fuel cells, and in particular relates to a semiconductor thin film electrolyte fuel cell and a manufacturing method thereof. Background technique [0002] Solid oxide fuel cell is a clean energy conversion device with high conversion efficiency. The solid oxide fuel cell was invented in 1839 and has experienced a development history of more than 170 years. Traditional solid oxide fuel cells are mainly composed of three layers of materials: anode, electrolyte, and cathode. The electrolyte layer of its core component is mainly yttrium stabilized zirconia material. The material needs to obtain an ionic conductivity of 0.1 S / cm at a high temperature above 1000°C. Therefore, solid oxide fuel cells generally need to work at a higher operating temperature, however, various problems caused by high temperature arise from this. For example, the matching of thermal expansion coefficients of the anode, electrol...

Claims

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Application Information

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IPC IPC(8): H01M4/88H01M4/90H01M8/1246H01M8/126
CPCH01M4/8864H01M4/9016H01M8/1246H01M8/126Y02E60/50Y02P70/50
Inventor 董文静朱斌童雨竹朱晶冯楚
Owner HUBEI UNIV
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