US 12,334,509 B2
Laminated battery and manufacturing method for same
Shunsuke Sata, Sakai (JP); Hirotaka Mizuhata, Sakai (JP); Tomo Kitagawa, Sakai (JP); and Akihito Yoshida, Sakai (JP)
Assigned to SHARP KABUSHIKI KAISHA, Sakai (JP)
Appl. No. 17/771,709
Filed by SHARP KABUSHIKI KAISHA, Sakai (JP)
PCT Filed Sep. 29, 2020, PCT No. PCT/JP2020/036762
§ 371(c)(1), (2) Date Apr. 25, 2022,
PCT Pub. No. WO2021/079695, PCT Pub. Date Apr. 29, 2021.
Claims priority of application No. 2019-194505 (JP), filed on Oct. 25, 2019.
Prior Publication US 2022/0384852 A1, Dec. 1, 2022
Int. Cl. H01M 10/0585 (2010.01); H01M 4/24 (2006.01); H01M 50/105 (2021.01); H01M 50/138 (2021.01); H01M 50/466 (2021.01); H01M 12/08 (2006.01)
CPC H01M 10/0585 (2013.01) [H01M 4/244 (2013.01); H01M 50/105 (2021.01); H01M 50/1385 (2021.01); H01M 50/466 (2021.01); H01M 12/08 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A laminated battery including a positive electrode, a negative electrode, and a separator that are laminated inside an enclosure member,
wherein the enclosure member is formed by affixing a first resin film and a second resin film to each other,
the separator is arranged inside the enclosure member between the negative electrode and the positive electrode,
a peripheral edge portion of the separator is fixed to a peripheral edge portion of of the first resin film,
the positive electrode includes a first positive electrode arranged to face the first resin film, and a second positive electrode arranged to face the second resin film,
the negative electrode is arranged between the first positive electrode and the second positive electrode,
the separator includes a first separator arranged between the negative electrode and the first positive electrode, and a second separator arranged between the negative electrode and the second positive electrode, and
a peripheral edge portion of the first separator is fixed to the peripheral edge portion of the first resin film, and a peripheral edge portion of the second separator is fixed to a peripheral edge portion of the second resin film.