US 12,444,815 B2
Secondary battery
Ryo Kagami, Ichinomiya (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed by TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed on Oct. 30, 2023, as Appl. No. 18/385,034.
Application 18/385,034 is a continuation of application No. 17/481,696, filed on Sep. 22, 2021, granted, now 11,843,132.
Claims priority of application No. 2020-159666 (JP), filed on Sep. 24, 2020.
Prior Publication US 2024/0063515 A1, Feb. 22, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H01M 50/553 (2021.01); H01M 50/105 (2021.01); H01M 50/178 (2021.01); H01M 50/474 (2021.01); H01M 50/55 (2021.01)
CPC H01M 50/553 (2021.01) [H01M 50/105 (2021.01); H01M 50/178 (2021.01); H01M 50/474 (2021.01); H01M 50/55 (2021.01)] 12 Claims
OG exemplary drawing
 
1. A secondary battery, comprising an exterior body, an electrode laminate, a first terminal,a second terminal, and a holder, wherein the exterior body houses the electrode laminate, the electrode laminate has a laminate part and a current collection part, the laminate part has a plurality of laminated electrode bodies, the current collection part has at least one positive electrode current collector and at least one negative electrode current collector which protrude from the laminate part, the first terminal has a first connection part extending in a first direction, a first protrusion extending in a second direction opposite the first direction, and a first crank-shaped part extending generally normal to the first direction and the second direction, the second terminal has a second connection part and a second protrusion, the first connection part is connected to one of the positive electrode current collector and the negative electrode current collector, the second connection part is connected to the other of the positive electrode current collector and the negative electrode current collector, the first connection part is provided on one lamination direction side of the plurality of electrode bodies with respect to the second connection part, the second connection part is provided on the other lamination direction side of the plurality of electrode bodies with respect to the first connection part, the first crank-shaped part couples the first connection part and the first protrusion, the first crank-shaped part is bent from the first connection part toward the other lamination direction side, the first protrusion and the second protrusion protrude to the outside of the exterior body, the first protrusion and the second protrusion do not face each other in the lamination direction, the first protrusion and the second protrusion are overlapped in the lamination direction, a holder is present between the first connection part and the second connection part, and the holder contacts the first connection part, the second connection part and the first crank-shaped part.