Expanded graphite was investigated as a material for flow-field plates in PEFCs (polymer electrolyte fuel cells). Because expanded graphite is flexible but has similar material properties with normal graphite, channels on flow-field plates were designed to have single channel in order to compare...

This paper investigates the micro-structural, chemical and crystalline properties of yttrium-stabilized zirconia (YSZ) thin films by using pulsed laser deposition (PLD), atomic layer deposition (ALD) and sputter. Atomic ratio of Y:Zr of YSZ thin films fabricated by three different deposition...

NiO-YSZ nano-composite thin film mixed ionic electronic conducting (MIEC) electrode was prepared by co-sputtering technique. Pure nickel target and YSZ target were used for DC and RF sputtering, respectively. XRD analysis was carried out for both as deposited samples and annealed samples....

The small fuel cell is being researched as an alternative power source to the Li-ion battery in mobile phone. In this paper, a direct hydrogen fuel cell system which powers a mobile phone without a supplementary battery is compactly integrated below 25ml volume at the backside of the phone. The...