Open AccessOverview of SOFC Anode Interactions with Coal Gas Impurities
Author(s) -
O A Marina,
L R Pederson,
R Gemmen,
K Gerdes,
H Finklea,
I B Celik
Publication year - 2010
Language(s) - English
Resource type - Reports
DOI - 10.2172/1015464
Subject(s) - anode , antimony , coal , sulfur , impurity , coal gas , arsenic , natural gas , hydrogen , electrolyte , selenium , materials science , waste management , environmental science , chemistry , chemical engineering , inorganic chemistry , metallurgy , electrode , engineering , organic chemistry
An overview of the results of SOFC anode interactions with phosphorus, arsenic, selenium, sulfur, antimony, and hydrogen chloride as single contaminants or in combinations is discussed. Tests were performed using both anode- and electrolyte-supported cells in synthetic and actual coal gas for periods greater than 1000 hours. Post-test analyses were performed to identify reaction products formed and their distribution, and compared to phases expected from thermochemical modeling. The ultimate purpose of this work is to establish maximum permissible concentrations for impurities in coal gas, to aid in the selection of appropriate coal gas clean-up technologies