Natural hematite-imitated electrolyte and natural hematite-imitated electrolyte fuel cell

A fuel cell and electrolyte technology, which is applied to fuel cells, circuits, electrical components, etc., can solve the problems of high SOFC manufacturing cost and technical complexity, and achieves omitting high-temperature pre-burning steps, improving microscopic particle morphology and particle distribution, The effect of simplifying the manufacturing process

Pending Publication Date: 2022-05-10
HUBEI UNIV
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Problems solved by technology

Since this process requires high-temperature activation, this type of electrolyte can only obtain sufficient ionic conductivity at high temperatures of 800-1000 °C, which results in high SOFC manufacturing costs and technical complexity.

Method used

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  • Natural hematite-imitated electrolyte and natural hematite-imitated electrolyte fuel cell
  • Natural hematite-imitated electrolyte and natural hematite-imitated electrolyte fuel cell

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Embodiment Construction

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0027] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0028] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0029] A kind of imitation natural hematite electrolyte fuel cell, its assembly method is:

[0030] 1) Weigh an...

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Abstract

The invention discloses a nature-imitated hematite electrolyte and a nature-imitated hematite electrolyte fuel cell, the electrolyte is composed of hematite (alpha-Fe2O3) and quartz (SiO2), compared with a traditional ion-doped electrolyte, through surface oxygen vacancy conduction of the alpha-Fe2O3 in a reducing atmosphere and the isolation effect of SiO2 on electrons, the natural-imitated hematite electrolyte has the advantages that the oxygen vacancy conduction of the surface of the alpha-Fe2O3 in the reducing atmosphere is reduced; the electrolyte has an electrolyte function, and the assembled natural hematite-imitated electrolyte fuel cell shows good output performance in a low-temperature interval, so that the natural hematite-imitated electrolyte fuel cell has a wide application prospect in the field of solid oxide fuel cells.

Description

technical field [0001] The invention relates to the technical field of solid oxide fuel cells, in particular to an imitation natural hematite electrolyte and an imitation natural hematite electrolyte fuel cell. Background technique [0002] Solid oxide fuel cell (SOFC) is a clean energy technology that can directly convert chemical energy stored in fuel into electrical energy. received widespread attention from the international community. [0003] At present, the commonly used electrolytes for SOFC are doped zirconia and doped ceria. The working principle is mainly to use structural doping to generate a large number of lattice oxygen vacancies, and conduct oxygen ion conduction through the oxygen vacancy diffusion mechanism. Since this process requires high-temperature activation, this type of electrolyte can only obtain sufficient ionic conductivity at high temperatures of 800-1000 °C, which results in high SOFC manufacturing costs and technical complexity. Therefore, th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/1246
CPCH01M8/1246H01M2008/1293
Inventor 夏晨王升阳吴柏威王浚英董文静汪宝元
Owner HUBEI UNIV
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