Glass composition and sealing material

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United States of America Patent

PATENT NO 8741792
APP PUB NO 20120316052A1
SERIAL NO

13580519

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Abstract

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Provided is a glass composition that has a low reactivity with the constituent materials forming a solid oxide fuel cell while having a thermal expansion coefficient suitable for sealing a solid oxide fuel cell, and a glass composition and sealing material that are suitable for sealing a solid oxide fuel cell. The present invention, which relates to a sealing glass composition, is a sealing glass composition used for sealing a solid oxide fuel cell, characterized by having a composition ratio of, expressed in terms of oxide, 40 to 55% by mass of SiO2, 0 to 5.0% by mass of Al2O3, 0 to 8.0% by mass of B2O3, 20 to 30% by mass of MgO, and 10 to 24% by mass of CaO, wherein a total of the MgO and the CaO is 40 to 54% by mass.

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Patent Owner(s)

Patent OwnerAddress
NIHON YAMAMURA GLASS CO LTD15-1 NISHIMUKOJIMA-CHO AMAGASAKI-SHI HYOGO 6608580

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Akamatsu, Takafumi Amagasaki, JP 2 8
Mayumi, Yoshitaka Amagasaki, JP 10 144

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