A solid oxide fuel cell comprises a tube forming an anode, electrolyte and cathode, and a catalytic substrate is positioned within the tube. Such solid oxide fuel cells are highly compact and lightweight, and can be used in portable applications.

 
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< Electrochemical test apparatus and method for its use

> Fuel supply device for direct methanol fuel cells

> Microfibrous fuel cell assemblies comprising fiber-supported electrocatalyst layers, and methods of making same
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