Micro-solid oxide fuel cells (SOFCs) is newly designed and fabricated using porous stainless-steel (STS) as a support. The thin-film components with nano-porous electrodes and dense electrolyte, i.e., La0.7Sr0.3CoO3-
δ (LSC, ~1μm) | 8YSZ (~1μm) | Ni-8YSZ (~1μm), are deposited by using pulsed laser deposition (PLD) method and show the high power density (~560 mW/cm2 at 550oC). In addition, thermal cycling characteristic, tested for the first time, show that the cells cycled between 100 and 550oC with 100oC/min rate exhibit little performance drop. These results strongly demonstrate the cell for portable mobile application.
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