GALVANIC ELEMENT AND SEPARATOR HAVING IMPROVED SAFETY PROPERTIES
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United States of America Patent
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Issued Date -
Jun 28, 2012
app pub date -
Jul 26, 2010
filing date -
Jul 27, 2009
priority date (Note) -
Abandoned
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Abstract
A galvanic element has a positive electrode, a negative electrode and a separator lying in between, wherein the separator consists at least partially of a polymer of which the melting and/or softening temperature is >200° C. A multi-layer separator for galvanic elements, in particular for lithium-ion batteries, includes at least one layer of the polymer with a melting and/or softening temperature >200° C.
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