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Dexmet exhibited at the 19th Group Exhibit Hydrogen & Fuel Cell Show in Hannover Messe, Germany on April 8-12th, 2013. Dexmet's expanded foils and polymers drew a large crowd to the booth. The booth traffic was great, the team went down with close to 1000 samples and nearly all of the samples were distributed by the fourth day of the show. Dexmet has been a supplier of material for Electrolysis for close to 50 years and PEM Fuel Cells for close to 40 years, it is for this reason that Dexmet's expanded foils and plastics have always attracted engineers, designers, scientists and researchers alike.
Dexmet has taken the "Expanding Technology" to the next generation of advancements, the micro-mesh material manufactured by Dexmet is infinitely variable, and the proprietary equipment developed and designed at Dexmet produces expanded material with smaller holes than anyone else and produces material that is thinner than anyone else in our marketplace. The expansion process produces a very consistent product as far as open area, hole size and conductivity.
Dexmet expanded materials are perfect for fuel cells, especially where you are using multi stacks of materials and you need consistent conductivity from stack to stack also the expansion process is more cost effective unlike perforated material. In the perforation process open areas are created by punching holes through a flat sheet or foil, the process creates scrap material. If you need a 50% open area, then 50% of the material is knocked or punched out to be produce the open area product.
The expansion process allows you to yield higher amounts of material than what you put in, for instance, if you have 1 meter of material and need a 50% open area product, you generate 1.5 meters of material, this especially important when your application requires expensive materials like platinum, niobium, zirconium and titanium.
To learn more, click on the link below to the Hannover Messe YouTube channel to watch Kenneth Burtt, Vice President of Sales and Marketing present the topic, "Expanding Technology - Utilization in Fuel Cells & Hydrogen Generation" at the Hannover Messe public forum on Friday, April 12, 2013.
You can also watch the embedded video below
For information on implementing expanded material in your electrochemical application contact Steve Tucker at s.tucker@dexmet.com
Expanded and corrugated materials from Dexmet