Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 41, Issue 28, Pages 12330-12336Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2016.05.094
Keywords
Protonic ceramic fuel cell; Intermediate temperature SOFC; Wet powder spraying; BaZr0.1Ce0.7Y0.1Yb0.1O3 (-) (delta)
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Funding
- European Community's Seventh Framework Programme (FP7) for the Fuel Cells and Hydrogen Joint Technology Initiative [277916]
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Wet Powder Spraying (WPS) is a well-known method of deposition recently used for elaboration of dense electrolytes or porous electrodes thin films in solid oxide fuel cells. In this work, WPS has been used to deposit the electrolyte and cathode materials of a proton conducting ceramic fuel cell (PCFC) operating at intermediate temperature. A cell with a dense 4 um thick BaZr0.1Ce0.7Y0.1Yb0.1O3 - delta (BZCYYb) electrolyte, a Ba0.5Sr0.5Co0.8Fe0.2O3 (- delta) - BZCYYb (BSCF-BZCYYb) composite cathode and a porous Ni-electrolyte cermet was developed and characterized. The electrolyte and the cathode materials were successfully deposited by WPS on an anode support of 40 mm in diameter. High open-circuit voltages (OCV > 1 V) were observed with this cell, and maximum power densities of 418, 532 and 634 mW cm(-2) were obtained at 600, 650 and 700 degrees C respectively. The results demonstrated that WPS is an attractive technique, suitable for up-scaling planar anode supported PCFC. (C) 2016 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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