Manufacturing Industry
VEHICLES: Platinum Cuts Top Achievements.(Fuel Cells for Transportation Program, Los Alamos National Laboratory research)(platinum usage in fuel cell research)(Brief Article)
Fuel Cell Technology News, January, 2002
An 80% reduction in the amount of platinum needed by an automotive PEM fuel cell stack is one of a number of achievements by researchers in the Fuel Cell for Transportation Program. The program funds research and development to reduce the cost and maximize the performance of PEMFC stacks and components.
Previous estimates for platinum loading in a fuel cell were 0.5 mg/cm2. Researchers at Los Alamos National Laboratory (Los Alamos) have developed membrane electrode assemblies (MEAs) with low precious metal catalyst loading (0.2 g/kW, 0.1 mg/cm2) and increased tolerance to CO of up to 100 ppm in reformate with air bleed (anode catalyst cleansing by oxidative CO removal). With new catalysts (0.3 mg/cm2) and a reconfigured anode, tolerance of up to 500 ppm CO in...
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