ALEXANDRIA, Va., July 3 -- United States Patent no. 12,347,824, issued on July 1, was assigned to Ningde Amperex Technology Ltd. (Ningde, China).
"Separator and energy storage device" was invented by Jianjian Yi (Fujian, China), Xinzhi Zhang (Fujian, China), Zengbin Wei (Fujian, China) and Xinghua Tao (Fujian, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An energy storage device includes a separator, the separator includes a porous substrate, and a porous layer arranged on a surface of the porous substrate. The porous layer comprises inorganic particles and a binder, and a ratio of Dv90 of the inorganic particles to the thickness of the porous layer is in a range from 0.3 to 3.0. Excellent adhesion e...