Patent ID: 7989374

Claim:
A sealing material for use in conjunction with a solid oxide fuel cell device, the sealing material comprising a coefficient of thermal expansion of about 95×10 −7 /° C. to about 115×10 −7 /° C. and: (i) from about 80 wt % to about 100 wt % of glass frit, the glass fit being alkali metal and boron free and comprising: from about 0 mol % to about 10 mol % MgO; from about 5 mol % to about 15 mol % CaO; from about 5 mol % to about 15 mol % SrO; about 0.1 mol % to 10 mol % BaO; from about 0 mol % to about 10 mol % ZnO; about 0.1 mol % to 4 mol % TiO 2 ; about 50 mol % to 60 mol % SiO 2 ; and (ii) from about 0 wt % to about 20 wt % of a filler material wherein the filler material increases the coefficient of thermal expansion of the sealing material.