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Flow channel with fish scale bionic structure for fuel cell

A technology of fuel cells and fish scales, which is applied to fuel cell parts, fuel cells, electrochemical generators, etc., can solve the problems that are difficult to adapt to the living needs of modern humans, reduce the boundary layer effect, ensure the balance of water management, Effect of reducing flow resistance

Active Publication Date: 2020-05-01
TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0002] Traditional energy structure and utilization are increasingly difficult to meet the needs of modern human survival

Method used

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  • Flow channel with fish scale bionic structure for fuel cell
  • Flow channel with fish scale bionic structure for fuel cell
  • Flow channel with fish scale bionic structure for fuel cell

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Embodiment Construction

[0024] The present invention will be further described below with reference to the drawings and embodiments.

[0025] Such as Figure 1 ~ Figure 3 As shown, a flow channel of a fish scale bionic structure for a fuel cell in this embodiment includes a plate body 1, a gas flow channel 3, a ridge 10, an assembly hole 5, a reaction gas inlet 6, a cooling liquid inlet 7, and a cooling The liquid outlet 8, the reaction gas outlet 9, the gas diffusion layer 2 and a number of fish scale bionic baffles 4; wherein the electrode plate body 1 is a flat plate, and a plurality of groove-shaped long flow channels are transversely provided on the surface of the electrode plate body 1 A number of groove-shaped short flow channels are vertically arranged on the surface of the electrode plate body 1, and the long flow channels and the short flow channels are connected to form a serpentine flow channel for mass transfer and discharge of reactant water; two adjacent long flow channels A ridge 10 is ...

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Abstract

The invention relates to a flow channel with a fish scale bionic structure for a fuel cell, belongs to the technical field of a fuel cell and aims to solve a technical problem that performance of thecell is reduced due to unsmooth drainage of a fuel cell flow channel in the prior art. The flow channel of the fish scale bionic structure for the fuel cell comprises a polar plate main body, a gas flow channel, a ridge, an assembly hole, a reaction gas inlet, a cooling liquid inlet, a cooling liquid outlet, a reaction gas outlet, a gas diffusion layer and a plurality of fish scale bionic flow guide plates, wherein a plurality of convex fish scale bionic guide plates are arranged on a surface, corresponding to a serpentine flow channel, of an upper surface of the gas diffusion layer, and are uniformly arranged in a serpentine flow field, and an arrangement mode of the scale bionic guide plates is that every two adjacent rows of the scale bionic guide plates are arranged in a staggered mode. The flow channel is advantaged in that performance and stability of the battery are improved.

Description

Technical field [0001] The invention relates to a flow channel with a fish scale bionic structure for a fuel cell, which belongs to the technical field of fuel cells. Background technique [0002] Traditional energy structure and utilization are increasingly difficult to adapt to the survival needs of modern humans. Facing the serious challenge of the energy crisis, countries all over the world have invested heavily in research and development of clean energy. Researchers have found that hydrogen energy will be an ideal clean energy source to replace gasoline and diesel in the future. [0003] A fuel cell is a device that directly converts the chemical energy of hydrogen and oxygen into electrical energy through electrode reactions. The biggest feature of this device is that since combustion is not involved in the reaction process, its energy conversion efficiency is not limited by the "Carnot cycle", and its energy conversion efficiency is as high as 60% to 80%. The actual use e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/0258H01M8/026H01M8/0263
CPCH01M8/0258H01M8/026H01M8/0263Y02E60/50
Inventor 董志强毕丽慧翟国凡郭锐
Owner TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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