Journal
JOURNAL OF POWER SOURCES
Volume 112, Issue 2, Pages 509-518Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0378-7753(02)00468-8
Keywords
molten carbonate fuel cell (MCFC); Li/Na carbonate electrolyte; cell performance model; initial and long-term performance
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Several years ago, Li/Na carbonate (Li2CO3/Na2CO3) was developed as the electrolyte of molten carbonate fuel cells (MCFCs) in place of the usual Li/K carbonate (Li2CO3/K2CO3) to the advantage of a higher ionic conductivity and lower rate of cathode NiO dissolution. To estimate the potential of Li/Na carbonate as the MCFC electrolyte. the dependence of the cell performance on the operating conditions and the behavior during long-term performance was investigated in several bench-scale cell operations. The obtained data on the performance of Li/Na cells was analyzed to estimate the impact of voltage losses by using a performance model and discussed in comparison with the data of conventional Li/K cell performance. (C) 2002 Elsevier Science B.V. All rights reserved.
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