Title:
NOVEL OR IMPROVED MICROPOROUS FILM, BATTERY SEPARATOR, COATED SEPARATOR, BATTERY, AND RELATED METHOD
Document Type and Number:
Japanese Patent JP2023159388
Kind Code:
A
Abstract:
To provide a separator having a desire performance in an excellent balance without deteriorating a tension intensity of a transverse direction (TD).SOLUTION: A battery separator is a battery separator containing at least one kind of microporous film, having a desire balance of each of the following characteristics: 200 kg/cm2 or more of a TD tension intensity, a piercing strength of 200 gf or more, and a JIS Gurley of 20 s or more, before an application of an optional coding to a film.SELECTED DRAWING: None
Inventors:
BARRY J SUMMEY
KONDO TAKAHIKO
WILLIAM JOHN MASON
XIAO KANG KAREN
ROBERT MORAN
JEFFREY G POLEY
BRIAN R STEPP
KRISTOFFER K STOKES
ZHANG XIAOMIN
KONDO TAKAHIKO
WILLIAM JOHN MASON
XIAO KANG KAREN
ROBERT MORAN
JEFFREY G POLEY
BRIAN R STEPP
KRISTOFFER K STOKES
ZHANG XIAOMIN
Application Number:
JP2023137427A
Publication Date:
October 31, 2023
Filing Date:
August 25, 2023
Export Citation:
Assignee:
CELGARD LLC
International Classes:
H01M50/489; H01M50/403; H01M50/406; H01M50/417; H01M50/42; H01M50/434; H01M50/443; H01M50/446; H01M50/451; H01M50/457; H01M50/494
Attorney, Agent or Firm:
田中 秀▲てつ▼
Hajime Hirose
Yuki Yamada
Ryu Kobayashi
Tetsuya Mori
Hajime Hirose
Yuki Yamada
Ryu Kobayashi
Tetsuya Mori