US 12,002,962 B2
Electrode for electrochemical device comprising dry electrode film and method for manufacturing the same
Seong-Wook Kang, Daejeon (KR); Jae-Sung Han, Daejeon (KR); Dong-Mok Shin, Daejeon (KR); Dong-Oh Shin, Daejeon (KR); Kyung-Hwan Yoon, Daejeon (KR); and Kwang-Ho Yoo, Daejeon (KR)
Assigned to LG Energy Solution, Ltd., Seoul (KR)
Filed by LG Energy Solution, Ltd., Seoul (KR)
Filed on Aug. 5, 2022, as Appl. No. 17/881,879.
Claims priority of application No. 10-2021-0104169 (KR), filed on Aug. 6, 2021; and application No. 10-2022-0097481 (KR), filed on Aug. 4, 2022.
Prior Publication US 2023/0042207 A1, Feb. 9, 2023
Int. Cl. H01M 4/62 (2006.01); H01M 4/04 (2006.01); H01M 10/0525 (2010.01)
CPC H01M 4/623 (2013.01) [H01M 4/0404 (2013.01); H01M 4/0416 (2013.01); H01M 4/0435 (2013.01); H01M 10/0525 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An electrode for an electrochemical device, comprising:
a dry free-standing electrode film obtained by a dry manufacturing process using no solvent, wherein the dry electrode film comprises an electrode active material, a conductive material, and a binder resin,
wherein the binder resin contained in the dry electrode film has a crystallinity of 10% or less,
wherein the dry electrode film has a tensile strength of 0.5 MPa or more and 10 MPa or less in the machine direction (MD).