Proton exchange membrane fuel cell channel structure and proton exchange membrane fuel cell

A proton exchange membrane and fuel cell technology, applied in fuel cells, circuits, electrical components, etc., can solve problems affecting battery performance, insufficient gas supply to the catalytic layer of the battery, etc., to increase the current density of the battery, increase the current density, and improve the reaction Effect of Gas Concentration

Active Publication Date: 2021-09-07
SHANDONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, under high current density, in the latter part of the battery, with the large consumption of reaction gases, especially oxygen, there will often be insufficient gas supply to the catalytic layer of the battery, which will affect the performance of the battery.

Method used

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  • Proton exchange membrane fuel cell channel structure and proton exchange membrane fuel cell
  • Proton exchange membrane fuel cell channel structure and proton exchange membrane fuel cell
  • Proton exchange membrane fuel cell channel structure and proton exchange membrane fuel cell

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0026] It should be noted that the following detailed description is exemplary and intended to provide further explanation of the present invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

[0027] It should be noted that the terminology used here is only for describing specific embodiments, and is not intended to limit exemplary embodiments according to the present invention. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0028] Th...

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Abstract

The invention belongs to the field of fuel cell structure and provides a proton exchange membrane fuel cell channel structure and a proton exchange membrane fuel cell. Wherein, the upper surface of the proton exchange membrane fuel cell flow channel structure is wavy, the depth of the flow channel structure gradually decreases along the gas flow direction, and the width of the flow channel structure gradually increases along the gas flow direction, which makes the reaction gas and The contact area of ​​the diffusion layer continues to increase, and it is easier to enter the battery and diffuse evenly, forcing more oxygen to enter the catalytic layer, increasing the oxygen concentration of the catalytic layer of the battery, and increasing the current density of the battery.

Description

technical field [0001] The invention belongs to the field of fuel cell structure, and in particular relates to a proton exchange membrane fuel cell channel structure and a proton exchange membrane fuel cell. Background technique [0002] The statements in this section merely provide background information related to the present invention and do not necessarily constitute prior art. [0003] Proton exchange membrane fuel cell (PEMFC) is a device that converts the chemical energy in fuel and oxide into electrical energy without burning it. It has the advantages of high energy conversion efficiency, high current density, cleanliness, and zero carbon emissions. It is widely regarded as the most promising power generation technology. At present, the service life and performance of proton exchange membrane fuel cells still have great development potential, among which whether the liquid water is discharged in time and whether the reaction gas is evenly distributed are the key fa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M8/0254H01M8/0263H01M8/1006H01M8/1007
CPCH01M8/0254H01M8/0263H01M8/1006H01M2008/1095H01M8/1007Y02E60/50
Inventor 于泽庭夏雷
Owner SHANDONG UNIV
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