| abstract |
The present invention relates to a battery separator, comprising cellulosic fibers of the lyocell genus, wherein the R10-value, the R18-value and the hemicellulose content of the lyocell fibers is as follows:n R10 >83%, preferably >84% R18 >93%, preferably >94% Hemicellulose content <3%. nn The present invention furthermore relates to novel lyocell fibers useful for battery separators, as well as batteries comprising the inventive battery separator. |