Patent ID: 11961956
Assignee: LG ENERGY SOLUTION, LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A cylindrical secondary battery module, comprising:
a plurality of cylindrical secondary battery cells respectively having a battery case in which an electrode assembly and an electrolyte are accommodated;
a cell frame at which the plurality of cylindrical secondary battery cells are disposed; and
a lid coupled to the cell frame and having a flame outlet,
wherein the cell frame includes:
a plurality of plate members bent along vertically extending fold lines to form a plurality of panels and coupled to intersect each other; and
a space formed between the plurality of plate members so that one of the plurality of cylindrical secondary battery cells is disposed therein, the space having an open top end,
wherein the plurality of plate members comprise:
a first cover bent to form at least one first space; and
a second cover coupled to the first cover and bent to form at least one second space,
wherein at least one downwardly extending fitting groove is formed in a top edge of a first panel of the first cover and at least one upwardly extending fitting groove is formed in a bottom edge of a first panel of the second cover,
wherein the top edge of the first cover forms a top edge of the first space and the bottom edge of the second cover forms a bottom edge of the second space, and
wherein the first panel of the first cover and the first panel of the second cover intersect at an angle.