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US 9,067,818 B2Granted
Sealing glass composition and article
AssigneeGeneral Electric Company
InventorsSundeep Kumar, Dong-Sil Park
Life of this patent
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Abstract
A sealing glass composition for providing a glass seal in an electrochemical cell is presented. The sealing glass composition includes boron oxide, aluminum oxide, barium oxide, and zirconium oxide, and the glass composition is substantially free of silicon oxide and titanium oxide. The electrochemical cell incorporating the glass seal is also provided.
Claims11
A sodium battery incorporating a sealing glass composition, comprising:
- boron oxide present in an amount in a range from about 30 weight percent to about 40 weight percent,
- aluminum oxide present in an amount in a range from about 20 weight percent to about 40 weight percent,
- barium oxide present in an amount in a range from about 10 weight percent to about 40 weight percent, and
- zirconium oxide present in an amount in a range from about 13 weight percent to about 20 weight percent,
- wherein the glass composition is substantially free of silicon oxide and titanium oxide.
2 more elements
A sodium battery incorporating a sealing glass composition, consisting essentially of:
- boron oxide, present in an amount in a range from about 30 weight percent to about 40 weight percent,
- aluminum oxide, present in an amount in a range from about 20 weight percent to about 40 weight percent,
- barium oxide, present in an amount in a range from about 10 weight percent to about 40 weight percent, and
- zirconium oxide, present in an amount in a range from about 13 weight percent to about 20 weight percent.
1 more element
Dependencies are inferred from the claim text.