| http://www.w3.org/ns/prov#value | - Small fuel cells employed in portable electronic devices such as conventional mobile phones or PDAs that use micro air delivery devices include the following: PAFC (Phosphoric Acid Fuel Cell), AFC (Alkaline Fuel Cell), PCMFC (Proton Exchange Membrane Fuel Cell), MCFC (Molten Carbonate Fuel Cell), SOFC (Solid Oxide Fuel Cell), and DMFC (Direct Methanol Fuel Cell), according to the type of fuel, run
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