US 12,142,733 B2
Battery
Masato Ota, Kobe (JP); Kodai Shintani, Toyota (JP); Kazuya Ikeshita, Minamiawaji (JP); and Takashi Hosokawa, Kako-gun (JP)
Assigned to PRIME PLANET ENERGY & SOLUTIONS, INC., Tokyo (JP)
Filed by PRIME PLANET ENERGY & SOLUTIONS, INC., Tokyo (JP)
Filed on Nov. 2, 2021, as Appl. No. 17/517,092.
Claims priority of application No. 2020-187462 (JP), filed on Nov. 10, 2020.
Prior Publication US 2022/0149439 A1, May 12, 2022
Int. Cl. H01M 10/0587 (2010.01); H01M 10/04 (2006.01); H01M 10/0585 (2010.01); H01M 50/103 (2021.01); H01M 50/533 (2021.01); H01M 50/54 (2021.01)
CPC H01M 10/0587 (2013.01) [H01M 10/0431 (2013.01); H01M 10/0585 (2013.01); H01M 50/103 (2021.01); H01M 50/533 (2021.01); H01M 50/54 (2021.01); H01M 2220/20 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A battery comprising:
one or more wound electrode bodies each composed of a strip-shaped first electrode plate and a strip-shaped second electrode plate superimposed and wound together with a strip-shaped separator between the two; and
a battery case containing the wound electrode body or bodies, wherein
the first electrode plate has multiple electrode tabs protruding from an edge extending in the longitudinal direction, and
the multiple electrode tabs include a first electrode tab having a straight part that is roughly perpendicular to the edge and has a length of at least 2 mm in the direction orthogonal to the edge, and second electrode tabs lacking the straight part.