Japan Intellectual Property Rights: SEPARATOR FOR POWER STORAGE DEVICE

Japan, Feb. 24 -- ASAHI KASEI CORP has got intellectual property rights for 'SEPARATOR FOR POWER STORAGE DEVICE.' Other related details are as follows:

Application Number: JP,2021-142586

Category (FI): H01M50/494,B32B5/32,C08J9/00@A,C08J5/18,C08J9/04,101,H01G11/52,H01G11/06,H01M50/449,H01M50/489,B32B27/32@E,H01M50/417

Stage: PROBLEM TO BE SOLVED: To provide a separator for a power storage device which has high strength and suppresses clogging due to long-term use.SOLUTION: In a separator for a power storage device including a microporous layer (X) whose main component is polyolefin (A), the melt flow rate (MFR) of the microporous layer (X) at a load of 2.16 kg and a temperature of 230degC is 0.90 g/10 min or less, and in the MD-TD surfac...