Simple air permeability tester

Abstract

The utility model relates to a simple permeability tester, in particular to a simple permeability tester used to test the gas diffusion layer of the fuel cell, comprising a first clamp and a second clamp; wherein, a through hole is arranged on the first clamp body, and a through hole corresponding to the through hole of the first clamp is arranged on the second clamp body; a heave with concave inthe centre is arranged on the interface of the first clamp and the second clamp, and a concave matched with the heave is arranged on the first clamp; the upper hatch of the through hole in the first clamp is positioned in the concave of the first lamp, the other end is connected with the cavity provided with screw thread on the inner wall; the upper hatch of the through hole in the second clamp ispositioned in the raised concave, and the other end is connected with the cavity provided with screw thread on the inner wall; the first clamp and the second clamp are fixedly sealed through the screw. The utility model has the advantages of simple structure, low price and easy operation.

Description

technical field [0001] The invention relates to an air permeability tester, in particular to a simple tester for testing the air permeability of a gas diffusion layer of a fuel cell. Background technique [0002] With the increasing tension of fossil energy and the increasing importance of environmental protection, clean, efficient, hydrogen-fueled fuel cell (Fuel Cell, FC) technology has become a new energy source for sustainable development in the future, and is increasingly valued by governments around the world . [0003] Proton exchange membrane fuel cell (Proton Exchange Membrane Fuel Cell, PEMFC) is as following alkaline fuel cell (AFC), phosphoric acid fuel cell (PAFC), molten carbonate fuel cell (MCFC) and solid oxide fuel cell (SOFC) The fifth generation of fuel cells developed later. Due to the use of solid-state electrolyte polymer film as the electrolyte, it has the characteristics of high energy conversion rate, low-temperature start-up, and no electrolyte le...

AI Technical Summary

Problems solved by technology

[0005] The air permeability testing equipment currently available on the market generally has the disadvantages of high price, high testing cost and long testing time

For example, the Gurley high air permeability tester is easy to operate and has high precision, but it is expensive, and many small and medium-sized enterprises or research and development units cannot afford it.

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