Battery module and battery pack having the same

{
  "publication_number": "US11742547B2",
  "country": "US",
  "kind": "B2",
  "title": "Battery module and battery pack having the same",
  "abstract": "There is provided a battery module, in which a relatively wide contact area between an end plate and a lifting device may be secured when the battery module is elevated, the rigidity of the end plate may be sufficiently secured when the battery module is elevated, while forming a relatively thin end plate. The battery module includes a cell stack provided by stacking a plurality of battery cells, a module case accommodating the cell stack, an end plate disposed on front side and rear side of the module case, and a lifting support portion disposed on the end plate and having a support surface in surface contact with a lifting device.",
  "claims": [
    "1. A battery module comprising: a cell stack provided by stacking a plurality of battery cells; a module case accommodating the cell stack; an end plate disposed on front side and rear side of the module case; and a lifting support portion disposed on the end plate and having a support surface in surface contact with a lifting device, wherein the lifting support portion is exposed externally on the battery module, wherein the lifting support portion comprises a space portion exposed externally on the end plate, wherein the space portion comprises: an inner space provided under the support surface and configured to fit a contact portion of the lifting device in the inner space; and an upper open space provided by penetrating through an outer end of the support surface in a vertical direction and configured to fit a vertical extension portion of the lifting device extending in the vertical direction from one end of the contact portion of the lifting device in the upper open space, wherein the inner space and the upper open space communicate with each other.",
    "2. The battery module of claim 1, wherein the support surface is provided as a horizontal surface, and a lower portion of the support surface has an open structure.",
    "3. The battery module of claim 1, wherein the upper open space is respectively provided on both sides of the inner space, in such a manner that a pair of lifting device enters.",
    "4. The battery module of claim 3, wherein a center of the inner space is provided with a central reinforcing rib extending vertically to increase rigidity of the support surface.",
    "5. The battery module of claim 4, wherein the central reinforcing rib is formed in parallel with a reinforcing rib provided on the end plate.",
    "6. The battery module of claim 1, wherein the module case is configured to cover an upper surface of the end plate, and the module case and the upper surface of the end plate are fastened to each other.",
    "7. The battery module of claim 6, wherein a connector is disposed on an upper surface of the module case.",
    "8. The battery module of claim 1, wherein a thickness of the support surface in a front-rear direction has a value of 5 mm to 8 mm, and a width of the support surface in a left-right direction has a value of 10 mm to 30 mm.",
    "9. The battery module of claim 8, wherein a thickness of a portion in a front-rear direction, on which the lifting device contacts the support surface, has a value of 5 mm or more, and a width of the portion in a left-right direction has a value of 10 mm or more.",
    "10. The battery module of claim 1, wherein the end plate is provided with a reinforcing rib having a quadrangular grid shape formed in vertical and horizontal directions, to increase rigidity.",
    "11. The battery module of claim 1, wherein the end plate is provided with a reinforcing rib having a hexagonal grid shape, to increase rigidity.",
    "12. A battery pack comprising: the battery module of claim 1; and a pack housing accommodating the battery module, wherein the lifting support portion is disposed to face a wall surface of the pack housing.",
    "13. The battery pack of claim 12, further comprising: a frame supporting the battery module, wherein the module case of the battery module is provided with a flange supported by the frame."
  ],
  "description_excerpt": "The present disclosure relates to a battery module for a secondary battery, and a battery pack including the same.\n\nUnlike primary batteries, secondary batteries may be charged and discharged, and thus may be applied to devices within various fields such as digital cameras, mobile phones, notebook computers, and hybrid vehicles. Examples of secondary batteries include nickel-cadmium batteries, nickel-metal hydride batteries, nickel-hydrogen batteries, lithium secondary batteries, and the like.\n\nAmong such secondary batteries, a large amount of research into lithium secondary batteries having high energy density and discharge voltage is in progress, and recently, lithium secondary batteries have been configured in the form of a battery module provided by modularizing a number of battery cells manufactured as a can-type or pouch-type with flexibility and been used.\n\nIn the related art, when moving the battery module during the process of manufacturing the battery pack, the operator directly transported the battery module. However, as the capacity of the battery module gradually increases, the weight of the battery module increases, and accordingly, a method of moving the battery module using a lifting mechanism is used, rather than the operator directly transporting the battery module.\n\nFIG. 1 is a perspective view of a battery module 10 according to the related art. As illustrated in FIG. 1, the battery module 10 according to the related art has a structure in which an end plate 30 is disposed on the front and rear of a module case 20.",
  "cpc": [
    "H01M 50/256",
    "B66C 1/62",
    "H01M 10/6556",
    "H01M 2220/20",
    "H01M 50/20",
    "H01M 50/209",
    "H01M 50/211",
    "H01M 50/233",
    "H01M 50/264",
    "Y02E 60/10"
  ],
  "ipc": [
    "H01M 50/209",
    "H01M 50/256"
  ],
  "assignees": [
    "SK On Co Ltd"
  ],
  "inventors": [
    "Gae Min Lee",
    "Dong Min Kim",
    "Yun Joo NOH",
    "Jun Hee Jung"
  ],
  "filing_date": "2021-02-04",
  "publication_date": "2023-08-29",
  "grant_date": "2023-08-29",
  "priority_date": "2020-02-06",
  "application_number": "US-202117167173-A",
  "family_id": "74556836",
  "cited_by_count": 1,
  "citations": [
    "US2638490A",
    "US2510596A",
    "EP2605309A1",
    "US8689918B2",
    "US20150024253A1",
    "US20150064542A1",
    "KR20150026609A",
    "US20170062783A1",
    "US20180076426A1",
    "KR20190049750A",
    "US20200083502A1"
  ]
}