Abstract
An attempt has been made to manufacture air electrode film for the solid oxide fuel cells, by utilizing the green tape laser sintering (GTLS) method. The green tape was prepared from lanthanum strontium manganite (LSM) powder with 0.8 μm in diameter for the air electrode. The tape was coated on an 8 mol% yttrium-stabilized zirconia substrate for an electrolyte by mask printing method. Then, it was dried at 373 or 433 K for 60 min in a controlled electrical furnace. Finally, laser sintering was carried out in a row by scanning a pulsed Nd:YAG laser of 1.06 μm wavelength and 1.2 ms pulse width. By controlling the thickness of the tape and the number of laser irradiation, the porous LSM film with a firm adhesion was obtained.
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