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CN-224217680-U - Battery monomer and battery package

CN224217680UCN 224217680 UCN224217680 UCN 224217680UCN-224217680-U

Abstract

The application provides a battery monomer and a battery pack, and relates to the technical field of batteries. The battery unit comprises a shell, a cover plate connected with one end of the shell, a pole penetrating through the cover plate, and an electrode assembly, an insulating piece and an insulating support piece which are arranged in the shell. The electrode assembly comprises an electrode body and a tab, wherein the electrode body and the tab are connected, the insulating part is positioned on one side, facing the electrode body, of the cover plate, the pole is penetrated through the insulating part, the insulating support part is positioned on one side, facing the electrode body, of the insulating part, and comprises a support part and a connecting part which are connected, the connecting part is positioned on at least one end part of the support part in the length direction and is clamped with the insulating part, and one part of the tab is positioned on one side, facing away from the electrode body, of the support part and is connected with the pole. According to the battery cell, the connecting part is clamped with the insulating part, so that the insulating support part is convenient to install, the installation difficulty of the insulating support part is reduced, and the production efficiency of the battery cell is improved.

Inventors

  • SUN TIECHENG
  • YANG WEI
  • HU MINGJIANG
  • HU CHUNBO
  • ZHANG MENG

Assignees

  • 欣旺达动力科技股份有限公司

Dates

Publication Date
20260508
Application Date
20250528

Claims (10)

  1. 1. A battery cell, comprising: A housing (110); A cover plate (120) connected to one end of the housing (110); a pole (160) penetrating through the cover plate (120); an electrode assembly (130) disposed within the housing (110) and including an electrode body (131) and a tab (132) connected thereto; An insulator (140) disposed in the housing (110) and located at a side of the cover plate (120) facing the electrode body (131), wherein the pole (160) is penetrated through the insulator (140); Insulating support piece (170) set up in casing (110), and be located insulating piece (140) orientation one side of electrode body (131), insulating support piece (170) are including supporting part (173) and connecting portion (171) that are connected, connecting portion (171) are located at least one tip of supporting part (173) length direction, and with insulating piece (140) joint, a portion of utmost point ear (132) is located supporting part (173) deviate from one side of electrode body (131), and with utmost point post (160) are connected.
  2. 2. The battery cell according to claim 1, wherein the battery cell has a first direction (X), the insulating member (140) includes an insulating plate (143), a plurality of first insulating bosses (144) and a second insulating boss (145), the pole (160) is disposed through the insulating plate (143), the first insulating bosses (144) and the second insulating bosses (145) are connected to a side of the insulating plate (143) facing the electrode body (131), the plurality of first insulating bosses (144) are disposed alternately along the first direction (X), the second insulating bosses (145) are disposed between two first insulating bosses (144) adjacent to each other along the first direction (X), the supporting portion (173) is engaged with the second insulating bosses (145), and the connecting portion (171) is engaged with the first insulating bosses (144).
  3. 3. The battery cell according to claim 2, wherein a first avoidance groove (1441) is provided on the first insulation boss (144), a second avoidance groove (1451) is provided on the second insulation boss (145), the connection portion (171) is provided in the first avoidance groove (1441), and a portion of the support portion (173) is provided in the second avoidance groove (1451).
  4. 4. A battery unit according to claim 3, wherein the connection portion (171) is provided with a first connection hole (1711) therethrough, the first insulation boss (144) is provided with a first elastic buckle (141), the first elastic buckle (141) is located in the first avoidance groove (1441), and the first elastic buckle (141) is engaged with the first connection hole (1711).
  5. 5. The battery cell of claim 4, wherein the first elastic buckle (141) comprises a first buckle section (1411) and a second buckle section (1412) which are connected, a first inclined surface (1413) is arranged on the second buckle section (1412), the first buckle section (1411) is arranged through the first connecting hole (1711), and the second buckle section (1412) is positioned on one side of the connecting part (171) facing the electrode body (131) and is abutted with the connecting part (171).
  6. 6. A battery unit according to claim 3, wherein the supporting portion (173) is provided with a second connection hole (1721) therethrough, the second insulation boss (145) is provided with a second elastic buckle (142), the second elastic buckle (142) is disposed in the second avoidance groove (1451), and the second elastic buckle (142) is engaged with the second connection hole (1721).
  7. 7. The battery cell according to any one of claims 2 to 6, further having a second direction (Y) perpendicular to the first direction (X), the electrode assembly (130) being provided in plurality, the electrode assembly (130) being arranged in plurality along the second direction (Y), the insulating support (170) being provided in plurality at intervals along the second direction (Y), each of the insulating supports (170) being provided in correspondence with the tab (132) of one of the electrode assemblies (130).
  8. 8. The battery cell of claim 7, further comprising an insulating connector (180), wherein adjacent two of the support portions (173) are connected by the insulating connector (180).
  9. 9. The battery cell according to claim 8, wherein a plurality of the insulating connectors (180) are provided, and a plurality of the insulating connectors (180) are arranged at intervals along the first direction (X).
  10. 10. A battery pack comprising the battery cell according to any one of claims 1 to 9.

Description

Battery monomer and battery package Technical Field The application relates to the technical field of batteries, in particular to a battery monomer and a battery pack. Background The information disclosed in this background section is only for enhancement of understanding of the general background of the disclosure and is not to be taken as an admission or any form of suggestion that this information forms the prior art that is well known to a person skilled in the art. With the development of battery technology, the safety requirements for battery cells are also increasing. In order to improve the safety of the battery cell, an insulating support is generally configured in the battery cell, and the electrode lugs of the electrode assembly are restrained by the insulating support, so that the possibility of short circuit caused by inserting the electrode lugs into the electrode body in the core combining process of the electrode assembly is reduced, however, the conventional battery cell has the problem that the insulating support is inconvenient to install, and the production efficiency of the battery cell is affected. Disclosure of utility model Accordingly, the application aims to provide a battery cell and a battery pack, which aim to solve the technical problem that an insulating support piece is inconvenient to install. In order to achieve the above purpose, the technical scheme adopted by the application is as follows: in a first aspect, embodiments of the present application provide a battery cell, comprising: A housing; The cover plate is connected with one end of the shell; The pole is penetrated through the cover plate; the electrode assembly is arranged in the shell and comprises an electrode body and a tab which are connected; The insulating piece is arranged in the shell and positioned at one side of the cover plate facing the electrode body, and the pole is penetrated through the insulating piece; The insulating support piece is arranged in the shell and is positioned on one side, facing the electrode body, of the insulating piece, the insulating support piece comprises a supporting portion and a connecting portion, the supporting portion is connected with the connecting portion, the connecting portion is positioned at least one end portion of the length direction of the supporting portion and is clamped with the insulating piece, and one part of the lug is positioned on one side, facing away from the electrode body, of the supporting portion and is connected with the pole. In one embodiment of the first aspect, the battery unit has a first direction, the insulating member includes an insulating plate, a plurality of first insulating bosses and a second insulating boss, the pole is disposed through the insulating plate, the first insulating bosses and the second insulating bosses are connected to one side of the insulating plate facing the electrode body, the plurality of first insulating bosses are disposed at intervals along the first direction, the second insulating bosses are disposed between two adjacent first insulating bosses along the first direction, the supporting portion is connected to the second insulating bosses in a clamping manner, and the connecting portion is connected to the first insulating bosses in a clamping manner. In one embodiment of the first aspect, the first insulating boss is provided with a first avoidance groove, the second insulating boss is provided with a second avoidance groove, the connecting portion is disposed in the first avoidance groove, and a portion of the supporting portion is disposed in the second avoidance groove. In one embodiment of the first aspect, the connecting portion is provided with a first connecting hole penetrating therethrough, the first insulating boss is provided with a first elastic buckle, the first elastic buckle is located in the first avoidance groove, and the first elastic buckle is engaged with the first connecting hole. In one embodiment of the first aspect, the first elastic buckle includes a first buckle section and a second buckle section that are connected, a first inclined plane is provided on the second buckle section, the first buckle section is disposed through the first connection hole, and the second buckle section is located at a side of the connection portion facing the electrode body and is abutted to the connection portion. In one embodiment of the first aspect, the supporting portion is provided with a second through connection hole, the second insulating boss is provided with a second elastic buckle, the second elastic buckle is disposed in the second avoidance groove, and the second elastic buckle is clamped with the second connection hole. In one embodiment of the first aspect, the battery cell further has a second direction perpendicular to the first direction, the electrode assembly is provided in plurality, the electrode assembly is arranged in plurality along the second direction, the insulating suppo