A battery module includes first and second plates opposite each other, first and second frames respectively connecting tops and bottoms of the first and second plates to define a casing, the first frame being connected to the second frame and having a shape corresponding to the second frame, and a p
A battery module includes first and second plates opposite each other, first and second frames respectively connecting tops and bottoms of the first and second plates to define a casing, the first frame being connected to the second frame and having a shape corresponding to the second frame, and a plurality of battery cells stacked in the casing, each battery cell including a first surface with a terminal portion, the first surface of each battery cell facing the first plate, a second surface opposite the first surface, and a pair of third surfaces spaced part from each other, each third surface connecting the first and second surfaces and being parallel to the second frame.
대표청구항▼
1. A battery module, comprising: first and second plates opposite each other;first and second frames connecting the first and second plates to define a casing, the first frame being connected to the second frame and having a shape corresponding to the second frame, the first frame including a base p
1. A battery module, comprising: first and second plates opposite each other;first and second frames connecting the first and second plates to define a casing, the first frame being connected to the second frame and having a shape corresponding to the second frame, the first frame including a base portion having a shape corresponding to the second frame, and first and second side portions extending from opposite ends of the base portion toward the second frame, the first and second side portions of the first frame being fastened to the second frame;a plurality of battery cells stacked in the casing, the plurality of battery cells being stacked on top of each other to define a plurality of cell arrays in the casing, each battery cell including: a first surface with a terminal portion, the first surface of each battery cell facing the first plate,a second surface opposite the first surface, anda pair of third surfaces spaced part from each other, each third surface connecting the first and second surfaces and being parallel to the second frame; anda support member between adjacent cell arrays of the plurality of cell arrays in a direction from the first side portion to the second side portion, the support member arranged perpendicular to the first and second plates, the support member contacting the first and second frames, and the support member being fastened to each of the first and second frames by separate fastening members. 2. The battery module as claimed in claim 1, wherein the adjacent cell arrays are parallel to each other. 3. The battery module as claimed in claim 2, wherein the adjacent cell arrays have equal heights. 4. The battery module as claimed in claim 1, wherein: the support member includes first and second fastening portions in portions contacting the first and second frames, respectively, andthe first and second frames includes third and fourth fastening portions, respectively, the third and fourth fastening portions being fastened to the first and second fastening portions, respectively, by the separate fastening members. 5. The battery module as claimed in claim 1, wherein the first plate includes at least one terminal through-hole overlapping at least a portion of the terminal portion of the battery cell. 6. The battery module as claimed in claim 5, wherein the terminal portion includes negative and positive electrode terminals, adjacent electrode terminals extending through the through-holes and being electrically connected to each other by a bus-bar. 7. The battery module as claimed in claim 1, wherein the first and second side portions are orthogonal to the first and second plates. 8. The battery module as claimed in claim 7, wherein at least one of the first and second frames includes a plurality of protruding portions, the protruding portions having a stripe shape. 9. The battery module as claimed in claim 7, wherein each of the first and second side portions of the first frame includes a bending portion at a terminal edge thereof, each bending portion being bent with respect to a respective side portion and being fastened to the second frame. 10. The battery module as claimed in claim 7, wherein at least one of the first and second side portions includes at least two bridges extending from an edge of the base portion toward the second frame, the bridges being spaced part from each other. 11. The battery module as claimed in claim 7, wherein at least one of the first and second side portions has a plate shape with an opening therein. 12. The battery module as claimed in claim 11, wherein the opening portion has two or more holes spaced apart from each other along a direction between the first and second frames. 13. The battery module as claimed in claim 12, further comprising a barrier between the stacked battery cells, the opening portion overlapping the barrier. 14. The battery module as claimed in claim 1, wherein the first frame has a cross-section of “Π”. 15. The battery module as claimed in claim 7, wherein: the plurality of cell arrays is arranged adjacent to each other in the direction from the first side portion to the second side portion, andthe support member separates adjacent cell arrays. 16. The battery module as claimed in claim 15, wherein an entirety of each cell array is between the support member and the first side portion or the second side portion. 17. The battery module as claimed in claim 16, wherein the support member includes a non-conductive material. 18. The battery module as claimed in claim 1, wherein the first and second side portions are fastened to the second frame by bolts. 19. The battery module as claimed in claim 9, wherein each bending portion includes one or more holes through which fastening members pass to fasten each of the first and second side portions to the second frame.
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이 특허에 인용된 특허 (2)
Kouzu Katsumi,JPX ; Kobayashi Takaki,JPX ; Marukawa Shuuhei,JPX ; Etoh Toyohiko,JPX ; Watanabe Koh,JPX ; Fukao Yasuyoshi,JPX ; Kakino Manabu,JPX ; Inui Kiwamu,JPX ; Kanamaru Kunio,JPX, End plate incorporated in battery power source unit.
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