In:
ECS Transactions, The Electrochemical Society, Vol. 68, No. 1 ( 2015-06-02), p. 1849-1855
Abstract:
In this study, a continuous manufacturing process including spray drying, compression molding and sintering steps is developed and constructed to produce molybdenum (Mo)-containing nickel (Ni)-based porous alloy as a supporting component for metal-supported solid oxide fuel cell (SOFC). The porous interconnected networks of Ni-Mo alloy are made of introducing pyrolyzable filler during fabrication processes. The particle size distribution analysis results showed d 50 of starting material (E.g., Ni, Mo, pyrolyzable filler and binder) after spray drying is 40.7 um. A compression load of 35 ton is applied to form a specimen with size of 60×60×1.2 mm and then sintered at 1200°C to obtain porous alloy. The anode (Ce 0.55 La 0.45 O 2- δ -NiO, LDC-NiO), electrolyte (La 0.8 Sr 0.2 Ga 0.8 Mg 0.2 O 3-δ , LSGM) and cathode (Sm 0.5 Sr 0.5 CoO 3- δ , SSC) is coated by using an atmospheric plasma spraying (APS) technique. The active electrode area of the cell is 16cm 2 and the open circuit voltage (OCV) is higher than 1.0 V under cell performance testing from 600 to 750 °C, indicating that a fully dense layer of LSGM electrolyte is successfully fabricated via APS coating process. The measured maximum output power densities (@0.6V) of this cell have reached 1196, 1012, 716 and 415 mW/cm 2 at 750, 700, 650 and 600 °C respectively, by employing H 2 as fuel and air as oxidant.
Type of Medium:
Online Resource
ISSN:
1938-5862
,
1938-6737
DOI:
10.1149/06801.1849ecst
Language:
Unknown
Publisher:
The Electrochemical Society
Publication Date:
2015
