Battery module with improved cell barrier between unit cells
First Claim
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1. A battery module comprising:
- a plurality of unit cells spaced from one another in a first direction; and
a plurality of cell barriers, each of the cell barriers being adjacent to a respective unit cell of the plurality of unit cells,wherein a cell barrier of the cell barriers comprises;
a body member having an opening through which a coolant flows to cool the respective unit cell; and
a fixing part on at least one edge of the body member, the fixing part comprising a fixing protrusion protruding from the body member in the first direction and a fixing groove in a surface of the body member facing a second direction opposite the first direction, the fixing protrusion being inserted in a corresponding fixing groove of an adjacent cell barrier of the plurality of cell barriers, the respective unit cell being between and contacting the cell barrier and the adjacent cell barrier;
wherein the fixing protrusion is press-fitted into the corresponding fixing groove of the adjacent cell barrier, wherein the fixing protrusion includes a support leg for seating the respective unit cell, and wherein the body member comprises a plate.
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Abstract
A battery module, including a plurality of unit cells and a cell barrier interposed between the unit cells, is provided. The cell barrier includes a body member and a fixing part disposed on the edge of the body member and connected to an adjacent cell barrier while housing a unit cell.
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Citations
20 Claims
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1. A battery module comprising:
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a plurality of unit cells spaced from one another in a first direction; and a plurality of cell barriers, each of the cell barriers being adjacent to a respective unit cell of the plurality of unit cells, wherein a cell barrier of the cell barriers comprises; a body member having an opening through which a coolant flows to cool the respective unit cell; and a fixing part on at least one edge of the body member, the fixing part comprising a fixing protrusion protruding from the body member in the first direction and a fixing groove in a surface of the body member facing a second direction opposite the first direction, the fixing protrusion being inserted in a corresponding fixing groove of an adjacent cell barrier of the plurality of cell barriers, the respective unit cell being between and contacting the cell barrier and the adjacent cell barrier; wherein the fixing protrusion is press-fitted into the corresponding fixing groove of the adjacent cell barrier, wherein the fixing protrusion includes a support leg for seating the respective unit cell, and wherein the body member comprises a plate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A battery module comprising:
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a plurality of unit cells spaced from one another in a first direction; and a plurality of cell barriers, each of the cell barriers being adjacent to a respective unit cell of the plurality of unit cells, wherein each of the cell barriers comprises; a body member at least partially covering a first outer surface of the respective unit cell that is facing the first direction and having an opening through which flows a coolant; and a bending element extending in a second direction opposite the first direction at an angle from at least one edge of the body member and at least partially enclosing a second outer surface of the respective unit cell that is facing a third direction wherein the bending element is on opposing ends of the body member, wherein the opening extends from the bending element at one end of the opposing ends of the body member to the bending element at an other end of the opposing ends of the body member, and wherein the body member comprises a support leg extending between the opposing ends of the body member to support the respective unit cell. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification