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Efficient solid oxide fuel cell system

A fuel cell system and solid oxide technology, applied in solid electrolyte fuel cells, fuel cells, fuel cell additives, etc., can solve the problems of high system coupling and insufficient recycling of exhaust heat, and reduce system coupling. degree, easy to control independently, improve the effect of overall efficiency

Active Publication Date: 2019-06-07
EZHOU INST OF IND TECH HUAZHONG UNIV OF SCI & TECH +1
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  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a high-efficiency solid oxide fuel cell system, which is used to solve the problem that the exhaust heat in the existing solid oxide fuel cell system cannot be fully recycled and the system coupling degree is high

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Embodiment Construction

[0015] 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.

[0016] see figure 1 , figure 1 It is a structural schematic diagram of an embodiment of a high-efficiency solid oxide fuel cell system in the present invention, wherein 100 is a raw material supply unit, 101 is a first air blower, 102 is a synthesizer bottle, 103 is a water storage tank, 104 is a natural gas bottle, and 105 is a second Two blowers, 106 is the first valve, 107 is the second valve, 108 is the third valve, 109 is the fourth valve, 110 is the fif...

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Abstract

The present invention discloses an efficient solid oxide fuel cell system. The system comprises a raw material supply unit, a fuel reforming unit, a fuel heat exchanger, a fuel cell stack unit, a tailgas combustion chamber, an air heat exchanger and a cooling unit. The efficient solid oxide fuel cell system still restrains the tail gas heat generated by the reaction into the system for full cyclic utilization so as to improve the whole efficiency of the system and moreover, the mutually independent combustion chamber and heat supply chamber are arranged in a fuel reformer to allow the temperature of the fuel reforming unit to be easier to independently control so as to reduce the system coupling.

Description

technical field [0001] The invention relates to the field of fuel cells, in particular to a high-efficiency solid oxide fuel cell system. Background technique [0002] At present, the solid oxide fuel cell (SOFC for short) is a green and high-efficiency energy conversion device that works at 600-800 ° C. It can directly convert the chemical energy in hydrocarbons into electrical energy through electrochemical reactions without combustion and mechanical Therefore, it has the advantages of quietness, cleanliness, and high efficiency, and is known as one of the most promising green power generation technologies in the 21st century. Due to the advantages of high energy ratio and easy assembly, planar SOFC has become the mainstream of SOFC technology application. [0003] The high working temperature of SOFC brings it the advantages of wide adaptability of fuels and high-grade tail gas heat energy. It can use natural gas, coal gas, biogas, biomass and other fuels, and can form a...

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Application Information

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IPC IPC(8): H01M8/04007H01M8/04089H01M8/04701H01M8/12
CPCY02E60/50
Inventor 李曦赵东琦吴肖龙许元武薛滔陈孟婷仲小博蒋建华邓忠华
Owner EZHOU INST OF IND TECH HUAZHONG UNIV OF SCI & TECH