FIELD: chemistry.
SUBSTANCE: battery of solid oxide fuel cells made in a process involving use of a glass sealer of the following composition: 50-70 wt % SiO2, 0-20 wt % Al2O3, 10-50 wt % CaO, 0-10 wt % MgO, 0-2 wt % (Na2O+K2O), 5-10 wt %, B2O3 and 0-5 wt % functional elements selected from TiO2, ZrO2, F, P2O5, MoO3, Fe2O3, MnO2, La-Sr-Mn-O perovskite (LSM), and combinations thereof.
EFFECT: longevity and safety during operation due to that the disclosed sealer reduces the risk of cracking of the fuel cell during thermal cycling.
11 cl, 2 dwg, 6 ex
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