US 12,444,730 B2
Electrode for secondary battery and method for producing the same
Shinichiro Kondo, Osaka (JP); Reiko Izumi, Osaka (JP); Daisuke Katou, Kyoto (JP); Takuya Jin, Osaka (JP); Yosuke Takayama, Osaka (JP); and Masateru Mikami, Hyogo (JP)
Assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka (JP)
Appl. No. 17/909,475
Filed by Panasonic Intellectual Property Management Co., Ltd., Osaka (JP)
PCT Filed Jan. 19, 2021, PCT No. PCT/JP2021/001565
§ 371(c)(1), (2) Date Sep. 6, 2022,
PCT Pub. No. WO2021/181888, PCT Pub. Date Sep. 16, 2021.
Claims priority of application No. 2020-041978 (JP), filed on Mar. 11, 2020.
Prior Publication US 2023/0299261 A1, Sep. 21, 2023
Int. Cl. H01M 4/13 (2010.01); H01M 4/04 (2006.01); H01M 4/139 (2010.01); H01M 4/62 (2006.01); H01M 4/66 (2006.01)
CPC H01M 4/13 (2013.01) [H01M 4/0404 (2013.01); H01M 4/043 (2013.01); H01M 4/0435 (2013.01); H01M 4/0471 (2013.01); H01M 4/139 (2013.01); H01M 4/622 (2013.01); H01M 4/623 (2013.01); H01M 4/661 (2013.01); H01M 4/662 (2013.01)] 4 Claims
OG exemplary drawing
 
1. An electrode for a secondary battery, comprising:
a core constituted with a metal foil that softens at 200° C. or lower; and
an electrode mixture sheet joined to a surface of the core, wherein
the electrode mixture sheet includes an active material and a fibrous binder, and
the active material is embedded in the core and a maximum embedded depth is 30% or more of a thickness of the core.