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A-site defect type perovskite structure fuel cell electrolyte, preparation method thereof and fuel cell

A perovskite structure, fuel cell technology, applied in fuel cells, circuits, electrical components, etc., can solve problems such as increasing operating costs and shortening battery life, achieving excellent output power, simplifying manufacturing processes, and omitting high-temperature pre-burning effect of steps

Pending Publication Date: 2022-05-06
HUBEI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, the high operating temperature of SOFC has limited its application.
Traditional SOFC usually needs to work at 800-1000°C, which will increase operating costs and shorten battery life

Method used

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  • A-site defect type perovskite structure fuel cell electrolyte, preparation method thereof and fuel cell
  • A-site defect type perovskite structure fuel cell electrolyte, preparation method thereof and fuel cell
  • A-site defect type perovskite structure fuel cell electrolyte, preparation method thereof and fuel cell

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Embodiment Construction

[0030] 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 making creative efforts belong to the protection scope of the present invention.

[0031] 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.

[0032] 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.

[0033] A fuel cell, the assembly method of which is:

[0034] 1) Fully mix NCAL powder and terpineol accor...

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Abstract

The invention relates to an A-site defect type perovskite structure fuel cell electrolyte, a preparation method thereof and a fuel cell, the chemical formula of the electrolyte is Ba < 0.9 > Co < 0.4 > Fe < 0.4 > Zr < 0.1 > Y < 0.1 > O < 3-delta > (BCFZY < 0.9 >), and the electrolyte is an ABO < 3-delta > type perovskite structure material. According to the invention, the ionic conductivity and the electrolyte function are obviously improved through an A-site defect method, and good low-temperature output performance is shown in a fuel cell taking Ni0. 8Co0. 15Al0. 05LiO2-delta (NCAL) permeated foamed nickel as a symmetrical electrode. Compared with the traditional pure ion conduction type electrolyte, the electrolyte provided by the invention is an oxygen ion / proton / electron mixed conduction type semiconductor and shows good ionic conductivity in a low-temperature interval, so that the electrolyte has an important application prospect in a low-temperature solid oxide fuel cell system.

Description

technical field [0001] The invention relates to the technical field of solid oxide fuel cells, in particular to an A-site defect type perovskite structure fuel cell electrolyte, a preparation method thereof, and a fuel cell. Background technique [0002] Solid oxide fuel cell (SOFC) is a power generation device that directly converts the chemical energy of hydrogen-based fuel into electrical energy. Because it bypasses the traditional heat engine Carnot cycle, its theoretical efficiency can reach 60%, and it has The advantages of high energy conversion efficiency, low pollution and fuel diversity. As a result, fuel cells have gradually become the focus and hot spot in the field of new energy in recent years. [0003] However, the high operating temperature of SOFC has limited its application. Traditional SOFC usually needs to work at 800-1000°C, which will increase operating costs and shorten battery life. How to solve these problems has become the main problem in the com...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/124
CPCH01M8/124
Inventor 夏晨瞿钢金彬王浚英董文静汪宝元
Owner HUBEI UNIV
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