Abstract: Provided is a composite separator for an electrochemical device, and the composite separator according to the present invention includes a porous substrate and a crystalline metal salt. The composite separator may serve as a salt source to a liquid electrolyte of the electrochemical device, and additionally or independently, may have flame retardancy by the metal salt.
Type:
Grant
Filed:
June 21, 2021
Date of Patent:
February 25, 2025
Assignee:
UBATT INC.
Inventors:
Chang Kyoo Lee, Jung Hwan Kim, Keun Ho Choi, Geon Hee Lee
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