A battery pack includes a first battery module, the first battery module including first unit batteries arranged side by side in a first direction, a second battery module adjacent to the first battery module, the second battery module including second unit batteries arranged side by side in the fir
A battery pack includes a first battery module, the first battery module including first unit batteries arranged side by side in a first direction, a second battery module adjacent to the first battery module, the second battery module including second unit batteries arranged side by side in the first direction, and at least one supporting block in a space between the first unit batteries and the second unit batteries, the at least one supporting block contacting the first and second battery modules.
대표청구항▼
1. A battery pack, comprising: a first battery module, the first battery module including first unit batteries arranged side by side in a first direction;a second battery module adjacent to the first battery module, the second battery module including second unit batteries arranged side by side in t
1. A battery pack, comprising: a first battery module, the first battery module including first unit batteries arranged side by side in a first direction;a second battery module adjacent to the first battery module, the second battery module including second unit batteries arranged side by side in the first direction; andat least one supporting block in a space between the first unit batteries and the second unit batteries, the at least one supporting block directly contacting at least one of the first unit batteries and overlapping and directly contacting at least two of the second unit batteries, the first and second battery modules being arranged in a second direction that crosses the first direction, wherein the at least one supporting block is between and spaced from opposing first and second edges of the at least two second unit batteries, the first and second edges separated from one another in a third direction crossing the first and second directions and not overlapping the at least one supporting block, wherein a first surface of one of the at least two second unit batteries is in contact with an opposing second surface of the other of the at least two second unit batteries, and wherein the first unit batteries and the second unit batteries have a same orientation in the second direction. 2. The battery pack as claimed in claim 1, wherein the at least one supporting block elastically supports the at least one of the first unit batteries. 3. The battery pack as claimed in claim 1, wherein the first and second battery modules are spaced apart in the second direction. 4. The battery pack as claimed in claim 2, further comprising a plurality of supporting blocks arranged so as to uniformly distribute a weight of the first battery module on the second battery module. 5. The battery pack as claimed in claim 1, wherein: the at least one supporting block rests on both of the two adjacent second unit batteries, a first portion of the at least one supporting block overlapping a first one of the two adjacent second unit batteries and a second portion of the at least one supporting block overlapping a second one of the two adjacent second unit batteries. 6. The battery pack as claimed in claim 1, wherein the at least one supporting block includes an elastic member that is elastically deformable in the second direction. 7. The battery pack as claimed in claim 6, wherein the elastic member is a rubber member. 8. The battery pack as claimed in claim 6, wherein the at least one supporting block is compressed in the battery pack, the at least one supporting block having a length, when uncompressed, that is larger than that of the space. 9. The battery pack as claimed in claim 1, wherein the at least one supporting block is removably coupled to the second battery module. 10. The battery pack as claimed in claim 9, further comprising an adhesive member to removably couple the at least one supporting block to the second battery module. 11. The battery pack as claimed in claim 1, further comprising at least one additional battery module, the at least one additional battery module being combined with the first and second battery modules in a vertical stack, wherein at least one supporting block is disposed between adjacent battery modules in the vertical stack. 12. The battery pack as claimed in claim 1, wherein: the first battery module includes first battery module end plates disposed at respective ends of the first battery module,the second battery module includes second battery module end plates at respective ends of the second battery module, andthe first and second battery module end plates support the first unit batteries such that the space is between the first unit batteries and the second unit batteries. 13. The battery pack as claimed in claim 12, further comprising side frames extending in the first direction, the side frames being coupled to the second battery module end plates and supporting the second unit batteries from side surfaces of the second unit batteries. 14. The battery pack as claimed in claim 13, further comprising a rigid member extending in the first direction, the rigid member being coupled to the second battery module end plates and supporting surfaces of the second unit batteries that are opposite to the first battery module. 15. The battery pack as claimed in claim 1, wherein: the at least one of the first unit batteries that directly contacts the at least one supporting block includes a side and terminals that project from the side, andthe at least one support block directly contacts the side of the at least one of the first unit batteries and is spaced apart from the terminals of the at least one of the first unit batteries. 16. The battery pack as claimed in claim 1, wherein: the at least one supporting block has a first surface facing the first battery module and a second surface facing the second battery module, andthe first surface and the second surface have substantially a same shape. 17. The battery pack as claimed in claim 16, wherein the first battery module and the second battery module have a same number of unit batteries. 18. A vehicle, comprising: a power source, the power source providing a motive power for the vehicle; anda battery pack configured to provide electricity to the power source, the battery pack including:a first battery module, the first battery module including first unit batteries arranged side by side in a first direction;a second battery module adjacent to the first battery module, the second battery module including second unit batteries arranged side by side in the first direction; andat least one supporting block in a space between the first unit batteries and the second unit batteries, the at least one supporting block directly contacting at least one of the first unit batteries and overlapping and directly contacting at least two of the second unit batteries, the at least one supporting block elastically supporting the first and second battery modules in a second direction crossing the first direction,wherein the at least one supporting block is between and spaced from opposing first and second edges of the at least two second unit batteries, the first and second edges separated from one another in a third direction crossing the first and second directions and not overlapping the at least one supporting block, wherein a first surface of one of the at least two second unit batteries is in contact with an opposing second surface of the other of the at least two second unit batteries, and wherein the first unit batteries and the second unit batteries have a same orientation in the second direction. 19. A method of stiffening a battery pack, the method comprising: fixing first and second battery modules in a vertical stack, the first and second battery modules having respective end plates fixed together in a vertical direction so as to define a space between the first and second battery modules; andproviding at least one supporting block in the space, the at least one supporting block overlapping and resting on at least two unit batteries of the second battery module, elastically supporting the first battery module in the vertical direction, and directly contacting a unit battery of the first battery module and the at least two unit batteries of the second battery module, wherein the at least one supporting block is between and spaced from opposing first and second edges of the at least two second unit batteries, the first and second edges separated from one another and not overlapping the at least one supporting block. 20. A method of forming a battery pack, the method comprising: providing a first battery module, the first battery module including first unit batteries arranged side by side in a first direction;arranging a second battery module adjacent to the first battery module, the second battery module including second unit batteries arranged side by side in the first direction; andproviding at least one supporting block in the space between the first unit batteries and the second unit batteries, the at least one supporting block directly contacting at least one of the first unit batteries and overlapping and directly contacting at least two of the second unit batteries, the at least one supporting block elastically supporting the first and second battery modules in a second direction that crosses the first direction, wherein the at least one supporting block is between and spaced from opposing first and second edges of the at least two second unit batteries, the first and second edges separated from one another in a third direction crossing the first and second directions and not overlapping the at least one supporting block, wherein a first surface of one of the at least two second unit batteries is in contact with an opposing second surface of the other of the at least two second unit batteries, and wherein the first unit batteries and the second unit batteries have a same orientation in the second direction.
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이 특허에 인용된 특허 (6)
Hamada, Shinji; Sugimoto, Yoshitaka; Eto, Toyohiko, Battery pack having battery modules held by holding spacers.
Waters John E. (Fishers IN) Harris Brent A. (Alexandria IN) Gresley Ross A. (Anderson IN) Boys William E. (Anderson IN) Brouns Daniel R. (Indianapolis IN), Electric vehicle battery pack.
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