Separator for Electricity Storage Devices, and Electricity Storage Device
AssigneeAsahi Kasei Kabushiki Kaisha
InventorsMasato Murakami, Shintaro Inaba, Shinya Hisamitsu, Daisuke Inagaki, Hiroshi Hatayama
Life of this patent
Estimating the term…
Abstract
A separator for electricity storage devices, which comprises a porous layer that contains a polyolefin resin and an ionic compound, and which is configured such that: the content of the ionic compound in the porous layer is from 5% by mass to 99% by mass (inclusive); and the degree of whiteness of this separator is more than 98.0.
Claims15
A separator for electricity storage devices, which has a porous layer comprising a polyolefin resin and an ionic compound, wherein a content of the ionic compound in the porous layer is 5% by weight or more and 99% by weight or less in the porous layer and a degree of whiteness of the separator is greater than 98.0.
Dependencies are inferred from the claim text.