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Solid oxide fuel cell system and control method thereof

A technology of fuel cell system and solid oxide, which is applied in the direction of fuel cells, circuits, electrical components, etc., can solve problems such as toxic gases, achieve the effects of avoiding deterioration, preventing the generation of toxic gases, and improving service life

Active Publication Date: 2021-04-20
WEICHAI POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to at least solve the problem of producing toxic gas in existing solid oxide fuel cells

Method used

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  • Solid oxide fuel cell system and control method thereof
  • Solid oxide fuel cell system and control method thereof
  • Solid oxide fuel cell system and control method thereof

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Embodiment Construction

[0036] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0037] It should be understood that the terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may also be meant to include the plural forms unless the context clearly dictates otherwise. The terms "comprising", "comprising", "containing" and "having" are inclusive and thus indicate the presence of stated...

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Abstract

The invention belongs to the technical field of fuel cells, and particularly relates to a solid oxide fuel cell system and a control method thereof. The control method comprises the following steps: acquiring the temperature of a solid oxide fuel cell; controlling a purging medium to be introduced into an anode of the solid oxide fuel cell according to the condition that the temperature of the solid oxide fuel cell is not less than a preset temperature value; obtaining a flow cumulant of the purging medium; according to the control method of the solid oxide fuel cell, after the flow accumulation amount of the purging medium is not smaller than the preset accumulation threshold value, controlling the fuel gas to be introduced into the solid oxide fuel cell, and when the temperature of the solid oxide fuel cell is not smaller than the preset temperature value, introducing the purging medium into the anode of the solid oxide fuel cell; and when the flow accumulation amount of the purging medium introduced into the anode is not less than the preset accumulation threshold value, introducing the fuel gas into the solid oxide fuel cell, so that impurities and the fuel gas are effectively prevented from reacting together at the anode, and toxic gas is prevented from being generated.

Description

technical field [0001] The invention belongs to the technical field of fuel cells, and in particular relates to a solid oxide fuel cell system and a control method thereof. Background technique [0002] Solid oxide fuel cell (SOFC) is an all-solid-state chemical power generation device that directly converts chemical energy stored in fuel and oxidant into electrical energy in an efficient and environmentally friendly manner at medium and high temperatures. The fuel of the solid oxide fuel cell is usually a gaseous fuel, and the gaseous fuel is passed into the anode of the solid oxide fuel cell to cause a reaction in the anode. [0003] Solid oxide fuel cells react with the anode at low temperature, which easily produces toxic gases. There may be impurities inside the anode of the solid oxide fuel cell. After the anode is fed with gaseous fuel, the gaseous fuel and impurities react together at the anode, which may produce toxic gas or degrade the anode, thereby reducing the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/04223H01M8/04746
CPCY02E60/50
Inventor 仝玉华刘龙卫张超高梦雪张亚民
Owner WEICHAI POWER CO LTD
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