A secondary battery module includes at least more than two battery aggregates having a plurality of unit batteries continuously arranged, and a housing receiving the battery aggregates, wherein, with respect to the arrangement direction of the unit batteries, each of the unit batteries of each of th
A secondary battery module includes at least more than two battery aggregates having a plurality of unit batteries continuously arranged, and a housing receiving the battery aggregates, wherein, with respect to the arrangement direction of the unit batteries, each of the unit batteries of each of the battery aggregates is disposed in an oblique direction against the arrangement direction of the unit batteries.
대표청구항▼
What is claimed is: 1. A secondary battery module comprising: at least two battery aggregates each having a plurality of unit batteries and a plurality of cell barriers, each of the cell barriers between two adjacent ones of the unit batteries; and a housing receiving the battery aggregates, wherei
What is claimed is: 1. A secondary battery module comprising: at least two battery aggregates each having a plurality of unit batteries and a plurality of cell barriers, each of the cell barriers between two adjacent ones of the unit batteries; and a housing receiving the battery aggregates, wherein the housing includes an inlet portion having a wall around an axis that is substantially parallel to an arrangement direction of the unit batteries, the inlet portion for supplying cooling medium to a space between the battery aggregates, and at least two outlet portions for discharging the cooling medium passed through the battery aggregates, wherein each of the unit batteries of each of the battery aggregates is oriented in an oblique direction against the arrangement direction of the unit batteries. 2. The secondary battery module of claim 1, wherein the battery aggregates are spaced apart. 3. The secondary battery module of claim 2, wherein the battery aggregates are arranged in a pair symmetrically to each other. 4. The secondary battery module of claim 1, wherein each of the cell barriers includes at least one passage for passing the cooling medium therethrough. 5. The secondary battery module of claim 4, wherein the at least one passage comprises a channel communicating with the at least two outlet portions and the space between the battery aggregates. 6. The secondary battery module of claim 1, wherein the housing has a structure such that a flow direction of the cooling medium moving to the space between the battery aggregates through the inlet portion is substantially the same as a flow direction of the cooling medium discharging through the at least two outlet portions. 7. The secondary battery module of claim 6, wherein an inlet hole is at one side of the housing and an outlet hole is at a side of the housing other than the one side facing the inlet hole. 8. The secondary battery module of claim 1, wherein the housing has a structure such that a flow direction of the cooling medium moving to the space between the battery aggregates through the inlet portion is substantially opposite to a flow direction of the cooling medium discharging through the at least two outlet portions. 9. The secondary battery module of claim 8, wherein an inlet hole is at one side of the housing and an outlet hole is adjacent to the inlet hole. 10. A secondary battery module comprising: at least two battery aggregates having a plurality of unit batteries and a plurality of cell barriers, each of the cell barriers between two adjacent ones of the unit batteries, the battery aggregates symmetrically spaced apart from each other; and a housing for receiving the battery aggregates and circulating cooling medium for temperature control between the unit batteries through spaces between the battery aggregates, wherein the housing includes an inlet portion having a wall around an axis that is substantially parallel to an arrangement direction of the unit batteries, the inlet portion for supplying the cooling medium to a space between the battery aggregates, and at least two outlet portions for discharging the cooling medium passed through the battery aggregates, wherein each of the unit batteries of each of the battery aggregates is oriented in an oblique direction against the arrangement direction of the unit batteries, and each of the battery aggregates includes a supporting unit to support the unit batteries in the arrangement direction thereof. 11. The secondary battery module of claim 10, wherein the cell barrier includes at least one passage for passing the cooling medium therethrough. 12. The secondary battery module of claim 10, wherein the housing further includes a mounting portion for receiving the battery aggregates. 13. The secondary battery module of claim 10, wherein the at least two outlet portions each have a wall around a respective axis that is substantially parallel to the arrangement direction of the unit batteries. 14. The secondary battery module of claim 10, wherein the at least two outlet portions each have a wall that is inclined with respect to the arrangement direction of the unit batteries. 15. The secondary battery module of claim 10, wherein the supporting unit includes: end plates contacting outermost unit batteries of the plurality of unit batteries, respectively; a connecting rod to be connected to the end plates; and at least one supporting bar connecting the end plates to support the unit batteries along the arrangement direction thereof. 16. The secondary battery module of claim 15, wherein the supporting unit further includes a fastening portion having a fastening hole fastening the connecting rod, the fastening portion being protruded at each of the end plates. 17. The secondary battery module of claim 10, wherein the supporting unit includes: end plates contacting outermost unit batteries, respectively; a connecting rod connecting the end plates; and a fastening portion having a fastening hole fastening the connecting rod, the fastening portion protruding at the end plates and perpendicular to the arrangement direction of the unit batteries such that the fastening portion is at a right angle to the connecting rod. 18. The secondary battery module of claim 17, wherein the fastening portion protrudes at sides of the end plates facing each other, and is oriented at an angle to the end plate. 19. The secondary battery module of claim 17, wherein a thickness of the end plate is equal to or less than a thickness of the fastening portion. 20. The secondary battery module of claim 17, wherein a connecting portion between the end plate and the fastening portion has an arc cross-section. 21. The secondary battery module of claim 10, wherein the unit batteries are prismatic shape batteries. 22. The secondary battery module of claim 10, wherein the secondary battery module is configured to be used for a motor driven device. 23. A secondary battery module comprising: at least two battery aggregates each having a plurality of unit batteries continuously arranged; and a housing receiving the battery aggregates, wherein the housing includes a mounting portion receiving the battery aggregates, an inlet portion having a wall around an axis that is substantially parallel to an arrangement direction of the unit batteries, the inlet portion for supplying cooling medium to a space between the battery aggregates, and at least two outlet portions for discharging the cooling medium passed through the battery aggregates; wherein, each of the unit batteries of each of the battery aggregates is disposed in an oblique direction with respect to the arrangement direction of the unit batteries, wherein the battery aggregates are disposed spaced apart, and wherein a pair of the battery aggregates are arranged symmetrically with respect to each other, two of the at least two outlet portions are disposed at respective ends of the mounting portion, and the inlet portion is disposed at a center of the mounting portion, such that a flow path of the cooling medium moving through the inside of the mounting portion has a branched pattern that divides the flow path into two directions from a center of the space between the battery aggregates. 24. A secondary battery module comprising: at least two battery aggregates each having a plurality of unit batteries continuously arranged, the battery aggregates being disposed symmetrically spaced apart from each other; and a housing receiving the battery aggregates and circulating cooling medium between the unit batteries through the space between the battery aggregates, wherein the housing includes a mounting portion receiving the battery aggregates, an inlet portion having a wall around an axis that is substantially parallel to an arrangement direction of the unit batteries, the inlet portion for supplying the cooling medium to a space between the battery aggregates, and at least two outlet portions for discharging the cooling medium passed through the battery aggregates; wherein each of the unit batteries of each of the battery aggregates is disposed in an oblique direction with respect to the arrangement direction of the unit batteries, and each of the battery aggregates includes a supporting unit closely contacting the unit batteries to each other to integrally support them, and wherein a pair of the battery aggregates are arranged symmetrically with respect to each other, wherein two of the at least two outlet portions are disposed at respective ends of the mounting portion, and the inlet portion is disposed at a center of the mounting portion, such that a flow path of the cooling medium moving through the inside of the mounting portion has a branched pattern that divides the flow path into two directions from a center of the space between the battery aggregates.
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이 특허에 인용된 특허 (3)
Klink Rainer (Kernen DEX) German Johann (Weinstadt DEX) Warthmann Wolfgang (Weinstadt DEX), Battery box with fluid flow channels to maintain proper temperature.
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