Use of a Silica-Based Powder
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United States of America Patent
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Issued Date -
Oct 22, 2015
app pub date -
Nov 29, 2013
filing date -
Nov 30, 2012
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Abandoned
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Abstract
The invention relates to the use of a ceramic-oxide powder for the production of a separator element for a lithium-ion battery, said ceramic-oxide powder having the following chemical composition, in percentages on the basis of the weight of the ceramic oxides, making up a total of 100%: SiO2>85%, Al2O3<10%, ZrO2<10%, other ceramic oxides<5%; said ceramic-oxide powder having a specific surface area of less than 40 m2/g and more than 5 m2/g; said oxide powder having a sphericity index of more than 0.8.
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