GLASS COMPOSITIONS WITH HIGH LEVELS OF BISMUTH OXIDE
First Claim
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1. A glass battery separator comprising a non-woven mat comprising glass fibers which comprise between 30 weight percent and about 50 weight percent silica, between about 1 weight percent and about 5 weight percent aluminum oxide, less than about 10 weight percent sodium oxide, and greater than 30 weight percent of a bismuth compound.
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Abstract
The application describes glass compositions that includes more than 30 percent by weight of bismuth compounds, in particular bismuth oxide. Additionally, components, specifically battery separators, made from the glass compositions with high levels of bismuth are described.
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Citations
80 Claims
- 1. A glass battery separator comprising a non-woven mat comprising glass fibers which comprise between 30 weight percent and about 50 weight percent silica, between about 1 weight percent and about 5 weight percent aluminum oxide, less than about 10 weight percent sodium oxide, and greater than 30 weight percent of a bismuth compound.
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12-17. -17. (canceled)
- 21. A glass composition comprising between 30 weight percent and about 50 weight percent silica, between about 1 weight percent and about 5 weight percent aluminum oxide, less than about 10 weight percent sodium oxide, and greater than 30 weight percent of a bismuth compound.
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22-62. -62. (canceled)
Specification