US 12,334,580 B2
Wiring module, power storage module, bus bar, and manufacturing method for power storage module
Nobuyuki Matsumura, Mie (JP); and Masakuni Kasugai, Mie (JP)
Assigned to AUTONETWORKS TECHNOLOGIES, LTD., Mie (JP); SUMITOMO WIRING SYSTEMS, LTD., Mie (JP); and SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka (JP)
Appl. No. 17/623,475
Filed by AUTONETWORKS TECHNOLOGIES, LTD., Mie (JP); SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka (JP); and SUMITOMO WIRING SYSTEMS, LTD., Osaka (JP)
PCT Filed Jun. 25, 2020, PCT No. PCT/JP2020/024996
§ 371(c)(1), (2) Date Dec. 28, 2021,
PCT Pub. No. WO2021/006052, PCT Pub. Date Jan. 14, 2021.
Claims priority of application No. 2019-129605 (JP), filed on Jul. 11, 2019.
Prior Publication US 2022/0344766 A1, Oct. 27, 2022
Int. Cl. H01M 50/298 (2021.01); H01M 50/249 (2021.01); H01M 50/50 (2021.01); H01M 50/507 (2021.01)
CPC H01M 50/298 (2021.01) [H01M 50/249 (2021.01); H01M 50/507 (2021.01)] 15 Claims
OG exemplary drawing
 
1. A wiring module to be attached to a plurality of power storage elements that each include an electrode terminal and are arranged side by side in an arrangement direction, the wiring module comprising:
an insulative sheet; and
a plurality of electric wires disposed along the arrangement direction, on a surface of the sheet,
wherein the electric wires are configured to be respectively electrically connected to bus bars that are connected to the electrode terminals of the plurality of power storage elements,
each of the electric wires includes a trunk line portion extending along the arrangement direction, and a branch line portion bent from the trunk line portion and extending in an intersecting direction that intersects with the arrangement direction,
end portions of the branch line portions are electrically connected to the bus bars,
the sheet includes a base material and a welding layer, and the plurality of electric wires are fixed to the welding layer,
the wiring module further includes a plurality of terminals, and
each of the plurality of terminals is a plate including a wire connection portion connected to one of the plurality of electric wires and a bus bar connection portion connected to one of the plurality of bus bars, so as to be provided between the one of the plurality of electric wires and the one of the bus bars.