Patent 11145935 was granted and assigned to NGK Insulators on October, 2021 by the United States Patent and Trademark Office.
Provided is a layered double hydroxide (LDH) separator including a porous substrate made of a polymeric material; and a LDH with which pores of the porous substrate are plugged. The LDH separator has a mean porosity of 0.03% to less than 1.0%.