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Fuel Cell Membranes

ePTFE Membrane for MEA and Humidifier - Donaldson

Donaldson Company, Inc.
ePTFE Membrane for MEA and Humidifier - Donaldson
Summary

  • Thin membranes that support requirements for high current density while maintaining mechanical durability of stack
  • Reduced stack size and weight
  • Outstanding mechanical durability and high strength for long service life
  • Low anisotropy, thin and durable
  • Ready for coating

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Description Technical Specifications Downloads Vendor

ePTFE Membrane for MEA and Humidifier - Donaldson

  • The ePTFE Membrane by Donaldson is designed to meet the evolving needs of fuel cell manufacturers.
  • This uncoated expanded polytetrafluoroethylene (ePTFE) membrane serves as a structural reinforcement within Proton Exchange Membranes (PEM), balancing mechanical durability with high current density.
  • For use in a fuel cell or humidifer, and dedicated coating is needed (typcally PFSA)
  • It is ready for coating and offers tightly controlled material properties, making it ideal for various fuel cell applications.

Key features

  • Thin membranes that support requirements for high current density while maintaining mechanical durability of stack
  • Reduced stack size and weight
  • Outstanding mechanical durability and high strength for long service life
  • Low anisotropy, thin and durable
  • Flexibility to specify the ePTFE membrane independent of the coating, allowing OEMs to choose the optimal membrane/coating solution, rather than a pre-set (unoptimized) solution

Application areas

  • Fuel Cells: Acts as an ionomer skeleton for the Membrane Electrode Assembly (MEA), enhancing performance and efficiency.
  • Humidifiers: Provides structural support for PFSA coatings, ensuring effective moisture management in fuel cell systems.

Contact us

  • Since 1915, Donaldson's innovation has driven them to develop new technologies in order to solve the world's most complex filtration challenges. Interested? Please contact Donaldson by filling in the contact vendor form.
Brand Donaldson
Manufacturing Readiness (MRL) 9
Technology Readiness (TRL) 9
Donaldson Company, Inc.

As a global leader in the filtration industry, Donaldson Company helps solve some of the world's most complex filtration and contamination control challenges. Our filtration technologies and products are used every day in a variety of industries and environments, including aerospace, agriculture, construction, food and beverage, manufacturing, mining, power generation, transportation and many more. Our success comes from our 13,000+ employees, the support our customers receive, and more than 140 manufacturing and distribution centers on six continents.

Proven filtration, future redefined.

Our alternative power filtration solutions are designed to reduce dependence on fossil fuels, lower greenhouse gas emissions, and enable greener operations, all while maintaining top-tier productivity levels. For more than 20 years, Donaldson engineers and advanced materials experts have worked collaboratively with leading OEMs and Tier 1 / Tier 2 suppliers to develop customized solutions that meet specific fuel-cell application requirements in critical areas. Donaldson offers customized solutions that incorporate high efficiency media and carbon layers to effectively address the sources of fuel cell contamination.

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