Patent ID: 11936022
Assignee: SK ON CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A battery module comprising:
at least one cell group; and
a case accommodating the at least one cell therein,
wherein the at least one cell group includes:
at least one battery cell stack formed by stacking a plurality of battery cells;
a flame retardant cover coupled to the battery cell stack to encase both side surfaces and an upper portion of the battery cell stack; and
a flame retardant member disposed between an upper surface of the battery cell stack and the flame retardant cover and formed of a porous material,
wherein the case includes:
a first plate disposed below the at least one cell group and forming a base of the case disposed under the battery cell stack and a second plate disposed above the at least one cell group, and
wherein the at least one battery cell stack is disposed in an insulation space formed by the flame retardant cover and the first plate, and
wherein the flame retardant cover extends from the first plate forming the base of the case under the battery cell stack, extends along both of the side surfaces of the battery cell stack, and extends over the flame retardant member.