by ISATA - Dusseldorf Trade Fair in United Kingdom
International Fuel Cells Corporation (IFC) is active in the development and commercialization of both phosphoric acid (PAFC) and proton exchange membrane (PEMFC) fuel cells. There is substantial interest in both fuel cell technologies for transportation applications, because they offer near-zero emissions combined with high efficiency.At the present time, the PAFC technology is at a higher level of maturity, with units in actual commercial service. IFC is the world leader in PAFC technology. Approximately 50 of our 200-kW natural-gas-fueled power plants are in use worldwide, and an 11 MW power plant is operating in Japan. A number of firms are pursuing PEMFC technology. At IFC, a 15-kW PEMFC power plant, featuring a unique passive water management technique, is under development for the U.S. Military.The key technological discriminator between the two technologies is in the types of fuels they can utilize. The PAFC can operate on reformed hydrocarbon fuels (such as natural gas, methanol, ethanol, naphtha, etc.) directly, without the need for cleanup or purification of the reformer output. At its present state of development, the PEMFC…
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by SAE International in United States
The alkaline fuel cell powerplant utilized in the Space Shuttle Orbiter has established an excellent performance and reliability record over the past decade. Recent AFC technology programs have demonstrated significant advances in cell durability and power density. These capabilities provide the basis for substantial improvement of the Orbiter powerplant, enabling new mission applications as well as enhancing performance in the Orbiter. Improved durability would extend the powerplant's time between overhaul fivefold, and permit longer-duration missions. The powerplant would also be a strong candidate for lunar/planetary surface power systems. Higher power capability would enable replacement of the Orbiter's auxiliary power units with electric motors, and benefits mass-critical applications such as the National AeroSpace Plane.
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