Membranes for fuel cells            >>advertising...    Europe, Middle East and Africa   North and South America   Asia Pacific 3M - www.3m.com - St. Paul, MN 55144-1000, USA Tel. products: Supplying MEAs for all applications, and using advanced MEA technology developed in our laboratories, 3M is the right choice for your MEA requirements. 3M's advanced materials technology includes Fluoropolymers, Precious metals and conductive materials, Porous membranes, Elastomers, Carbon particles and fibers, Interfacial surface modifiers Our manufacturing capabilities include: Advanced high speed precision coating technology, Film coating technologies, Molding, Microreplicated materials, Dispersion processing. company profile: Mining a rich history of materials and manufacturing expertise, 3M has developed leading edge materials and advanced material handling capabilities that make 3M ideally suited to be your MEA supplier for today, tomorrow and beyond. Hoku Scientific, Inc. - www.hokuscientific.com - Honolulu, Hawaii 96819, USA Products: The key components of our Hoku MEAs are our Hoku  Membranes, which are non fluorinated proton exchange membranes. company profile: Hoku Scientific (NASDAQ: HOKU) develops and manufactures fuel cell membranes and membrane electrode assemblies (MEA) for stationary and automotive proton exchange membrane (PEM) fuel cells. DuPont, Nafion® Global Customer Service - www.dupont.com - 22828 NC Highway 87 West, Fayetteville, NC 28306, USA Tel. (800)436-1336, Fax +1 (910)678-1342 Products: Nafion® Membranes: Widely used for proton exchange membrane (PEM) fuel cells and water electrolyzers. The membrane performs as a separator and solid electrolyte in a variety of electromechanical cells which require the membrane to selectively transport cations across the cell junction. The polymer is chemically resistant and durable. company profile: 2004 revenues: $27.3 billion, Employees: 55,000 worldwide Global: Operating in more than 70 countries worldwide, R&D: More than 40 research and development and customer service labs in the United States, and more than 35 labs in 11 other countries. PolyFuel - www.polyfuel.com - 1245 Terra Bella Avenue, Mountain View, CA 94043, USA Tel. +1 650 429.4700, Fax +1 650 930 0219 Products: DMFC membrane: In 2003, PolyFuel introduced what is now becoming widely acknowledged as the “best” membrane available for direct methanol fuel cells (DMFC). PolyFuel’s DMFC membrane will allow manufacturers of portable fuel cells for mobile electronic applications to produce the smallest, lightest, lowest cost, and longest lasting portable power supplies possible. hydrogen membranes: In October 2004, PolyFuel introduced a second breakthrough in fuel cell membrane technology that will allow automotive manufacturers to produce smaller, lighter, lower cost, more durable and more efficient automotive fuel cell engines. PolyFuel’s new hydrocarbon membrane for hydrogen fuel cells is being tested at virtually all of the world's leading automotive fuel cell vehicle manufacturers. company profile: www.membrane-guide.com    site map