Introduction to the function of polytetrafluoroethylene proton membrane

The proton exchange membrane is an extremely important part of the fuel cell. It not only undertakes the task of proton transport, but also provides mechanical and electronic barriers. Today we will talk about the material Polytetrafluoroethylene proton membrane.

The upstream of the proton exchange membrane mainly includes two parts: basic materials and process materials: the basic material is fluorite, and the upstream raw materials are used Prepare various types of perfluorinated, non-perfluorinated and specialty resins that can be used for subsequent processing. In terms of downstream applications, proton exchange membranes can be widely used in fuel cells, water electrolysis, chlor-alkali industry and other fields.

Polytetrafluoroethylene proton membraneMainly produced by mechanical stretching of ptfe materials. PTFE is a highly crystalline polymer polymerized with tetrafluoroethylene as a monomer. It is a white waxy thermoplastic similar to polyethylene (PE). It has excellent high temperature resistance and low temperature resistance, with a melting point of 327 degrees Celsius and a decomposition temperature of 415 degrees Celsius. It can be used for a long time in the range of 200 to 260 degrees Celsius. At the same time, the material has strong hydrophobicity, non-adhesion, corrosion resistance, thermal stability and good mechanical properties. Therefore, it can be washed with water to restore its performance and achieve repeated use, greatly extending its service life and saving costs.

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