Battery module and battery pack including the same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01M-002/10
H01M-010/04
출원번호
US-0836084
(2013-03-15)
등록번호
US-8859131
(2014-10-14)
우선권정보
KR-10-2009-0119911 (2009-12-04)
발명자
/ 주소
Kim, Myung-Chul
Kim, Tae-Yong
Lee, Hyun-Ye
Park, Shi-Dong
출원인 / 주소
Samsung SDI Co., Ltd.
대리인 / 주소
Lee & Morse, P.C.
인용정보
피인용 횟수 :
0인용 특허 :
1
초록▼
A battery module and battery pack, the battery module including a pair of end plates facing each other; a plurality of battery units arranged in a first direction between the end plates; a first side plate extending along a first side of the plurality of battery units, the first side plate being cou
A battery module and battery pack, the battery module including a pair of end plates facing each other; a plurality of battery units arranged in a first direction between the end plates; a first side plate extending along a first side of the plurality of battery units, the first side plate being coupled to the end plates; a second side plate extending along a second side of the plurality of battery units, the second side plate being coupled to the end plates and being disposed opposite to the first side plate; a first coupling member, the first coupling member coupling the end plates to the first side plate; and a second coupling member, the second coupling member coupling the end plates to the second side plate, wherein the first coupling member and the second coupling member are disposed in asymmetrical positions with respect to a central line of the end plates.
대표청구항▼
1. A battery module, comprising: a pair of end plates facing each other;a plurality of battery units arranged in a first direction between the end plates;at least one first restraint member extending along a first side of the plurality of battery units, the at least one first restraint member being
1. A battery module, comprising: a pair of end plates facing each other;a plurality of battery units arranged in a first direction between the end plates;at least one first restraint member extending along a first side of the plurality of battery units, the at least one first restraint member being coupled to the end plates;at least one second restraint member extending along a second side of the plurality of battery units, the at least one second restraint member being coupled to the end plates and being disposed opposite to the first restraint member;a first coupling structure, the first coupling structure coupling one of the end plates to the at least one first restraint member;a second coupling structure, the second coupling structure coupling the one end plate to the at least one second restraint member,wherein the first coupling structure is asymmetrical with respect to the second coupling structure about a central line of the one end plate such that the first coupling structure couples the one end plate to the at least one first restraint member at a first height from a bottom of the one end plate and the second coupling structure couples the one end plate to the at least one second restraint member at a second height from a bottom of the one end plate,wherein the second height is different from the first height, andwherein the central line extends in a plane of the one end plate and is equidistant from the first restraint member and the second restraint member, andwherein a first lateral edge of the one end plate that is coupled with the first restraint member is free of any coupling structure at the second height. 2. The battery module as claimed in claim 1, wherein: the first restraint member includes all restraining members extending along the first side of the plurality of battery units, andthe second restraint member includes all restraining members extending along the second side of the plurality of battery units. 3. The battery module as claimed in claim 1, wherein each end plate includes: a base plate disposed adjacent to the plurality of battery units;a first flange part, the first flange part being bent from a first side of the base plate in a direction away from the plurality of battery units; anda second flange part, the second flange part being bent from a second side of the base plate in a direction away from the plurality of battery units. 4. The battery module as claimed in claim 3, wherein: the first coupling structure couples the first flange part to the first restraint member, andthe second coupling structure couples the second flange part to the second restraint member. 5. The battery module as claimed in claim 1, wherein the first and second coupling structures: include a bolt and a nut, andcouple the one end plate and the restraint members with the bolt and the nut. 6. The battery module as claimed in claim 5, wherein: the first coupling structure includes a bolt and a nut,the second coupling structure includes a bolt and a nut, andthe bolt and nut of the first coupling structure are arranged asymmetrically with respect to the bolt and the nut of the second coupling structure about the central line. 7. The battery module as claimed in claim 5, wherein: the first coupling structure includes a plurality of corresponding bolts and nuts arranged in a first configuration,the second coupling structure includes a plurality of corresponding bolts and nuts arranged in a second configuration, andthe first configuration is asymmetrical with respect to the second configuration about the central line. 8. The battery module as claimed in claim 1, further comprising: an upper connector extending along a third side of the plurality of battery units, the upper connector being coupled to the pair of end plates; anda lower connector extending along a fourth side of the plurality of battery units, the lower connector being coupled to the pair of end plates. 9. A battery pack, comprising a plurality of battery modules, a referential battery module of the plurality of battery modules including: a referential pair of referential end plates facing each other, including a referential first end plate and a referential second end plate;a plurality of referential battery units arranged in a first direction between the referential end plates;at least one referential first restraint member extending along a referential first side of the plurality of referential battery units, the at least one referential first restraint member being coupled to the referential end plates;a referential first coupling structure positioned along a referential first lateral edge of the referential first end plate at a referential first height from a referential bottom of the referential first end plate, the referential first coupling structure coupling one of the first pair of referential end plates to the at least one referential first restraint member;a laterally adjacent battery module (LABM) being laterally adjacent to the referential battery module in a lateral arrangement direction perpendicular to the first direction and including: a LABM pair of LABM end plates facing each other, including a LABM first end plate and a LABM second end plate;a plurality of LABM battery units arranged in the first direction between the LABM end plates;at least one LABM second restraint member extending along a LABM second side of the plurality of LABM battery units, the at least one LABM second restraint member being coupled to the LABM end plates;a LABM second coupling structure positioned along a LABM second lateral edge of the LABM first end plate at a LABM second height from the LABM bottom of the LABM first end plate, the LABM second coupling structure coupling one LABM end plate of the LABM pair of LABM end plates to the at least one LABM second restraint member, wherein:the referential first coupling structure of the referential battery module is adjacent to the LABM second coupling structure of the laterally adjacent battery module,the referential first coupling structure of the referential battery module is asymmetrical with respect to the LABM second coupling structure of the laterally adjacent battery module about a plane perpendicular to the lateral arrangement direction of the referential battery module and the laterally adjacent battery module,the referential first lateral edge is free of any coupling structure at the LABM second height,and the LABM second lateral edge is free of any coupling at the referential first height. 10. The battery pack as claimed in claim 9, wherein the referential battery module further includes: at least one referential second restraint member extending along a referential second side of the plurality of referential battery units, the at least one referential second restraint member being coupled to the referential end plates and being disposed opposite to the referential first restraint member, anda referential second coupling structure, the referential second coupling structure coupling the referential first end plate to the at least one referential second restraint member,wherein the referential first coupling structure is asymmetrical with respect to the referential second coupling structure of the referential battery module about a referential central line of the referential first end plate such that the referential second coupling structure couples the referential first end plate to the at least one referential second restraint member at a referential second height from the bottom of the referential first end plate,wherein the referential first lateral edge is free of any coupling structure at the referential second height and the referential second lateral edge is free of any coupling structure at the referential first height,wherein the referential second height is different from the referential first height,wherein the referential central line extends in a plane of the end plate and is equidistant from the referential first restraint member and the referential second restraint member,wherein the laterally adjacent battery module further includes: at least one LABM first restraint member extending along a LABM first side of the plurality of battery units, the at least one LABM first restraint member being coupled to the LABM end plates, anda LABM first coupling structure, the LABM first coupling structure coupling one of the LABM end plates to the at least one LABM first restraint member,wherein the LABM first coupling structure is asymmetrical with respect to the LABM second coupling structure of the laterally adjacent battery module about a LABM central line of the LABM first end plate, the LABM central line extending in a plane of the LABM end plate and being equidistant from the LABM first restraint member and the LABM second restraint member such that the LABM first coupling structure couples the LABM first end plate to the at least one LABM first restraint member at a LABM first height from the bottom of the LABM end plate, andwherein the LABM first lateral edge is free of any coupling structure at the LABM second height and the LABM second lateral edge is free of any coupling structure at the LABM first height. 11. The battery pack as claimed in claim 10, wherein the referential first and second coupling structures include a bolt and a nut, and couple the referential first end plate and the referential restraint members with the bolt and the nut; and the LABM first and second coupling structures include a bolt and a nut, and couple the LABM first end plate and the LABM restraint members with the bolt and the nut. 12. The battery pack as claimed in claim 11, wherein: the referential first coupling structure includes a bolt and a nut,the referential second coupling structure includes a bolt and a nut, andthe bolt and nut of the referential first coupling structure is arranged asymmetrically about the referential central line with respect to the bolt and the nut of the referential second coupling structure; andthe LABM first coupling structure includes a bolt and a nut,the LABM second coupling structure includes a bolt and a nut, andthe bolt and nut of the LABM referential first coupling structure is arranged asymmetrically about the LABM central line with respect to the bolt and the nut of the LABM second coupling structure. 13. The battery pack as claimed in claim 11, wherein: the referential first coupling structure includes a plurality of corresponding bolts and nuts arranged in a referential first configuration,the referential second coupling structure includes a plurality of corresponding bolts and nuts arranged in a referential second configuration, andthe referential first configuration is asymmetrical about the referential central line with respect to the referential second configuration; andthe LABM first coupling structure includes a plurality of corresponding bolts and nuts arranged in a LABM first configuration,the LABM second coupling structure includes a plurality of corresponding bolts and nuts arranged in a LABM second configuration, andthe LABM first configuration is asymmetrical about the LABM central line with respect to the LABM second configuration. 14. The battery pack as claimed in claim 9, wherein each referential end plate includes: a referential base plate disposed adjacent to the plurality of referential battery units;a referential first flange part, the referential first flange part being bent from a referential first side of the referential base plate in a direction away from the plurality of referential battery units; anda referential second flange part, the referential second flange part being bent from a referential second side of the referential base plate in a direction away from the referential plurality of referential battery units; and each LABM end plate includes:a LABM base plate disposed adjacent to the plurality of LABM battery units;a LABM first flange part, the LABM first flange part being bent from a LABM first side of the LABM base plate in a direction away from the plurality of LABM battery units; anda LABM second flange part, the LABM second flange part being bent from a LABM second side of the LABM base plate in a direction away from the LABM plurality of LABM battery units. 15. The battery pack as claimed in claim 14, wherein: the referential first coupling structure couples the referential first flange part to the referential first restraint member, andthe referential second coupling structure couples the referential second flange part to the referential second restraint member; andthe LABM first coupling structure couples the LABM first flange part to the LABM first restraint member, andthe LABM second coupling structure couples the LABM second flange part to the LABM second restraint member. 16. The battery pack as claimed in claim 9, wherein each of the referential battery modules further includes: a referential upper connector extending along a third side of the plurality of referential battery units, the referential upper connector being coupled to the referential pair of referential end plates; anda referential lower connector extending along a fourth side of the plurality of referential battery units, the referential lower connector being coupled to the referential pair of referential end plates; and each of the LABM battery modules further includes:a LABM upper connector extending along a third side of the plurality of LABM battery units, the LABM upper connector being coupled to the LABM pair of LABM end plates; anda LABM lower connector extending along a fourth side of the plurality of LABM battery units, the LABM lower connector being coupled to the LABM pair of LABM end plates. 17. The battery pack as claimed in claim 9, wherein the plurality of LABM battery modules includes one set of laterally adjacent battery modules arranged in the lateral arrangement direction and another set of laterally adjacent battery modules arranged in a third direction perpendicular to the first direction and the lateral arrangement direction. 18. The battery pack as claimed in claim 17, wherein the other set of laterally adjacent battery modules arranged in the third direction are disposed such that first and second LABM coupling members of respective LABM battery modules adjacent to each other in the third direction are aligned in the third direction. 19. The battery pack as claimed in claim 9, wherein the plurality of referential battery modules are coupled together with another referential coupling structure, and the plurality of LABM battery modules are coupled together with another LABM coupling structure. 20. The battery pack as claimed in claim 9, wherein, in each referential battery module of the plurality of referential battery modules: the referential first restraint member includes all referential restraining members extending along the first side of the plurality of referential battery cells, andthe referential second restraint member includes all referential restraining members extending along the second side of the plurality of referential battery cells; and each LABM battery module of the plurality of LABM battery modules:the LABM first restraint member includes all LABM restraining members extending along the first side of the plurality of LABM battery cells, andthe LABM second restraint member includes all LABM restraining members extending along the second side of the plurality of LABM battery cells.
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