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A proton-exchange membrane, or polymer-electrolyte membrane (PEM), is a semipermeable membrane generally made from ionomers and designed to conduct protons while acting as an electronic insulator and reactant barrier, e.g. to oxygen and hydrogen gas. [1]
Ballard Power Systems Inc. is a developer and manufacturer of proton exchange membrane (PEM) fuel cell products for markets such as heavy-duty motive (consisting of bus and tram applications), portable power, material handling as well as engineering services. Ballard has designed and shipped over 400 MW of fuel cell products to date.
The proton-exchange membrane is commonly made of materials such as perfluorosulfonic acid (PFSA, sold commercially as Nafion and Aquivion), which minimize gas crossover and short circuiting of the fuel cell. A disadvantage of fluor containing polymers is the fact that during production (and disposal) PFAS products are formed.
The technology shares the thermal and kinetic advantages [which?] of high temperature molten carbonate and solid oxide fuel cells, while exhibiting all of the intrinsic benefits of proton conduction in proton-exchange membrane fuel cells (PEMFC) and phosphoric acid fuel cells (PAFC). PCFCs exhaust water at the cathode and unused fuel, fuel ...
Horizon Fuel Cell Technologies is a manufacturer of hydrogen fuel cells based in Singapore.Founded in 2003, the company manufactures micro-size to multi-kilowatt scale (PEM) proton exchange membrane fuel cells.
The Canadian company also manufactures proton exchange membrane fuel cell products. On Jan. 11, Raymond James analyst Michael Glen said that Ballard Power Systems is a strong investment ...
Direct methanol fuel cells or DMFCs are a subcategory of proton-exchange membrane fuel cells in which methanol is used as the fuel and a special proton-conducting polymer as the membrane (PEM). Their main advantage is low temperature operation and the ease of transport of methanol, an energy-dense yet reasonably stable liquid at all ...
Intelligent Energy is a fuel cell engineering business focused on the development, manufacture and commercialisation of its proton-exchange membrane fuel cell technologies for a range of markets including automotive, stationary power, materials handling equipment and UAVs.
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