Battery module having coupled cases of adjacent unit batteries
AssigneeSamsung SDI Co., Ltd.
InventorYong-Sam Kim
Life of this patent
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Abstract
A battery module includes a plurality of unit batteries and a coupling unit for coupling the cases of adjacent unit batteries to each other. The coupling unit includes coupling members formed on an outer surface of a case of each unit battery.
Claims17
A battery module comprising a plurality of unit batteries, each of the unit batteries having a unit battery case containing an electrode assembly coupled to a first terminal and a second terminal, and a coupling unit on an outer surface of each unit battery case and spaced from the first and second terminals, the coupling unit coupling the unit battery cases of adjacent unit batteries of the plurality of unit batteries to each other and constraining the adjacent unit batteries relative to each other in a direction substantially parallel to the outer surfaces.
A battery module comprising a plurality of unit batteries, each of the unit batteries having a unit battery case containing an electrode assembly, and a coupling unit on an outer surface of each unit battery case, the coupling unit coupling the unit battery cases of adjacent unit batteries of the plurality of unit batteries to each other, wherein the coupling unit includes:
- plurality of first coupling members on the unit battery case of a first unit battery, the plurality of first coupling members being spaced from each other;
- and
- a plurality of second coupling members on the unit battery case of a second unit battery, the plurality of second coupling members being spaced from each other;
- wherein the first unit battery is adjacent to the second unit battery;
- and
- wherein a side surface of each of the first coupling members is interference fit with a side surface of each of the respective second coupling members.
A battery module comprising a plurality of unit batteries, each of the unit batteries having a unit battery case containing an electrode assembly, and at least one coupling unit on an outer surface of each unit battery case of at least one pair of adjacent unit batteries of the plurality of unit batteries, the at least one coupling unit coupling the unit battery cases of the at least one pair of adjacent unit batteries to each other, wherein the at least one coupling unit comprises:
- a first coupling member protruding from the unit battery case of a unit battery of a pair of the at least one pair of adjacent unit batteries, the first coupling member having a surface facing a first direction;
- a second coupling member protruding from the unit battery case of the other unit battery of the pair of adjacent unit batteries, the second coupling member having a surface facing a second direction opposite the first direction, the surface of the second coupling member in contact with the surface of the first coupling member and constraining the unit battery of the pair of adjacent unit batteries relative to the other unit battery of the pair of adjacent unit batteries in the first direction;
- a third coupling member protruding from the unit battery case of the unit battery of the pair of adjacent unit batteries, the third coupling member having a surface facing the second direction;
- and
- a fourth coupling member protruding from the unit battery case of the other unit battery of the pair of adjacent unit batteries, the fourth coupling member having a surface facing the first direction, the surface of the fourth coupling member in contact with the surface of the third coupling member and constraining the unit battery of the pair of adjacent unit batteries relative to the other unit battery of the pair of adjacent unit batteries in the second direction.
Dependencies are inferred from the claim text.