Fuel cell flow field board and forming method thereof

A fuel cell and flow field plate technology, applied in the direction of fuel cells, fuel cell parts, battery electrodes, etc., can solve the problems of flow channel blockage or deformation, reduce the stability and reliability of fuel cells, etc., to achieve fast manufacturing process, The effect of improving stability and reliability

Active Publication Date: 2013-12-18
IND TECH RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, for the known flow field plate, it is easy to cause problems such as blockage or deformation of the flow channel due to external force, which reduces the stability and reliability of the fuel cell.

Method used

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  • Fuel cell flow field board and forming method thereof
  • Fuel cell flow field board and forming method thereof
  • Fuel cell flow field board and forming method thereof

Examples

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Embodiment Construction

[0047] It should be appreciated that the following description provides many different embodiments or examples for implementing various aspects of the invention. The specific components and arrangements described below are only a brief description of the present invention. Of course, these are only examples rather than limitations of the present invention. Furthermore, repeated reference numerals or designations may be used in different embodiments. These repetitions are only for the purpose of simply and clearly describing the present invention, and do not represent any relationship between the different embodiments and / or structures discussed. Furthermore, when it is mentioned that a first material layer is located on or above a second material layer, it includes the situation that the first material layer is in direct contact with the second material layer or is separated by one or more other material layers.

[0048] Before entering the description of the embodiment of t...

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Abstract

The embodiment of the invention provides a fuel cell flow field board, comprising a flexible substrate, a crossroad opening, an upward extending part and a covering and extending part, wherein the flexible substrate comprises a fluid distribution area and is provided with a flow channel; the crossroad opening penetrates through the flexible substrate and is adjacent to the fluid distribution area; the upward extending part extends upwards from the adjacent position of the crossroad opening and the fluid distribution area, wherein the upward extending part forms a bending angle with the fluid distribution area, and is internally provided with at least one through hole which penetrates through the flexible substrate and exposes the crossroad opening; and the covering and extending part is connected with the upward extending part and covers part of the fluid distribution area.

Description

technical field [0001] The present invention relates to fuel cells, and in particular to flow field plates for fuel cells. Background technique [0002] Since the traditional petrochemical energy has been gradually exhausted, and the use of petrochemical energy will have a great impact on the ecological environment, it has become an important issue to develop energy utilization methods with low pollution and high power generation efficiency. [0003] Among various new energy utilization methods that have been developed (such as solar cells, biochemical energy, or fuel cells, etc.), the high power generation efficiency (about 55%) and low pollution of fuel cells have attracted much attention. Unlike thermal power generation, which requires multiple stages of energy conversion from petrochemical energy, fuel cells can directly convert chemical energy into electrical energy, making it much more efficient than thermal power generation, and its by-product is mostly water, which w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M8/02H01M4/88H01M8/0258
CPCY02E60/50
Inventor 陈祈彰许桓瑞钟孝平曹芳海张文振
Owner IND TECH RES INST
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