CN220856707U - Conductive battery case and battery - Google Patents
Conductive battery case and battery Download PDFInfo
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- CN220856707U CN220856707U CN202322557114.3U CN202322557114U CN220856707U CN 220856707 U CN220856707 U CN 220856707U CN 202322557114 U CN202322557114 U CN 202322557114U CN 220856707 U CN220856707 U CN 220856707U
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- 238000007789 sealing Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 16
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a conductive battery case and a battery. The conductive battery case according to the present utility model includes: the battery cell comprises an anode conductive shell, a cathode conductive shell and an insulating part, wherein the anode conductive shell, the insulating part and the cathode conductive shell are sequentially connected, the anode conductive shell and the cathode conductive shell can be electrically conductive, the anode conductive shell and the cathode conductive shell are arranged at intervals, the insulating part is used for sealing a gap between the anode conductive shell and the cathode conductive shell, the anode conductive shell, the insulating part and the cathode conductive shell define a battery cell cavity for accommodating a battery cell, the inner wall surface of the anode conductive shell is provided with an anode fixing part, the inner wall surface of the cathode conductive shell is provided with a cathode fixing part, the anode conductive shell is used for being electrically connected with an anode post of the battery cell, and the cathode conductive shell is used for being electrically connected with a cathode post of the battery cell. Therefore, the conductive battery case has the advantages of high applicability and convenience in fixing the positive electrode column and the negative electrode column of the battery cell.
Description
Technical Field
The utility model relates to the technical field of battery shells, in particular to a conductive battery shell and a battery.
Background
In the related art, the pole of the battery is externally arranged, and the pole internally arranged in the battery pole needs to be matched with a special shell to adapt to the special shell, so that the application range of the battery shell is low.
Disclosure of utility model
The present utility model aims to solve at least one of the technical problems in the related art to some extent.
To this end, embodiments of the present utility model provide a conductive battery case and a battery.
According to an embodiment of the utility model, a conductive battery case includes: the battery cell comprises an anode conductive shell, a cathode conductive shell and an insulating part, wherein the anode conductive shell, the insulating part and the cathode conductive shell are sequentially connected, the anode conductive shell and the cathode conductive shell can be conductive, the anode conductive shell and the cathode conductive shell are arranged at intervals, the insulating part is used for sealing a gap between the anode conductive shell and the cathode conductive shell, the anode conductive shell, the insulating part and the cathode conductive shell define a battery cell cavity for accommodating a battery cell, the inner wall surface of the anode conductive shell is provided with an anode fixing part, the inner wall surface of the cathode conductive shell is provided with a cathode fixing part, the anode fixing part is used for fixing an anode column of the battery cell, the cathode fixing part is used for fixing a cathode column of the battery cell, the anode conductive shell is used for being electrically connected with the anode column of the battery cell, and the cathode conductive shell is used for being electrically connected with the cathode column of the battery cell.
Therefore, the conductive battery case provided by the embodiment of the utility model has the advantages of high applicability and convenience in fixing the positive electrode column and the negative electrode column of the battery cell.
In some embodiments, the positive electrode fixing portion is a positive electrode fixing groove formed on the inner wall surface of the positive electrode conductive shell, and the positive electrode post of the battery core can extend into the positive electrode fixing groove;
The negative electrode fixing part is a negative electrode fixing groove formed in the inner wall surface of the negative electrode conductive shell, and a negative electrode column of the battery cell can extend into the negative electrode fixing groove.
In some embodiments, the depth direction of the positive electrode fixing groove is consistent with the thickness direction of the positive electrode column of the battery cell, the depth dimension of the positive electrode fixing groove is 0.2mm to 0.5mm larger than the thickness dimension of the first part of the positive electrode column of the battery cell, and the first part of the positive electrode column can extend into the positive electrode fixing groove;
The depth direction of the negative electrode fixing groove is consistent with the thickness direction of the negative electrode column of the battery cell, the depth dimension of the negative electrode fixing groove is 0.2mm to 0.5mm larger than the thickness dimension of the second part of the negative electrode column of the battery cell, and the second part of the negative electrode column can extend into the negative electrode fixing groove;
The size of the positive electrode fixing groove in the first direction is 0.1mm to 0.3mm larger than the size of the positive electrode column of the battery cell in the first direction, and the first direction is perpendicular to the depth direction of the positive electrode fixing groove and the thickness direction of the positive electrode column of the battery cell;
The size of the negative electrode fixing groove in the first direction is 0.1mm to 0.3mm larger than the size of the negative electrode column of the battery cell in the first direction, and the first direction is perpendicular to the depth direction of the negative electrode fixing groove and the thickness direction of the negative electrode column of the battery cell.
In some embodiments, the positive electrode conductive shell and the negative electrode conductive shell are both provided with a constraint component, the constraint component comprises a buckle, the buckle is arranged in the electric core cavity and is used for being abutted with a positive electrode column or a negative electrode column of the electric core, and the buckle can limit the positive electrode column or the negative electrode column of the electric core in the radial direction.
In some embodiments, the buckle can elastically deform in the radial direction of the positive pole or the radial direction of the negative pole of the battery cell, one end of the buckle is fixed on the wall surface of the battery cell cavity, and the other end of the buckle is used for abutting with the peripheral side of the positive pole or the peripheral side of the negative pole of the battery cell.
In some embodiments, the restraint assembly includes a clamping seat and a buckle, the clamping seat has a clamping hole penetrating through the clamping seat, the clamping seat is fixed on the inner wall surface of the electric core cavity, the clamping hole is communicated with the positive electrode fixing groove or the negative electrode fixing groove, the positive electrode post of the electric core can pass through the clamping hole and extend into the positive electrode fixing groove, the negative electrode post of the electric core can pass through the clamping hole and extend into the positive electrode fixing groove, one end of the buckle is fixed on the clamping seat, the other end of the buckle is provided with a clamping hook, and at least part of the positive electrode post or the negative electrode post of the electric core can be clamped in the clamping hook of the buckle.
In some embodiments, the positive electrode conductive shell or the negative electrode conductive shell is provided with an explosion-proof valve and a liquid injection hole.
In some embodiments, the explosion-proof valve and the liquid injection hole are arranged on a first inner wall surface of the positive electrode conductive shell, the positive electrode fixing part is arranged on a second inner wall surface of the positive electrode conductive shell, and the first inner wall surface and the second inner wall surface are not coplanar;
Or the explosion-proof valve and the liquid injection hole are arranged on a third inner wall surface of the negative electrode conductive shell, the negative electrode fixing part is arranged on a fourth inner wall surface of the negative electrode conductive shell, and the third inner wall surface and the fourth inner wall surface are not coplanar.
In some embodiments, the positive electrode conductive housing and the negative electrode conductive housing are disposed opposite each other in a first direction, and the positive electrode fixing portion and the negative electrode fixing portion are disposed opposite each other in the first direction;
The insulating part is annular structure, the insulating part includes in proper order continuous sealing strip in circumference, on the cross section of perpendicular to first direction, the periphery profile and the inner periphery profile of insulating part are the rectangle.
The utility model also provides a battery, which comprises a battery core and the conductive battery shell, wherein the battery core is positioned in the conductive battery shell, a positive pole of the battery core is electrically connected with a positive conductive shell of the conductive battery shell, a negative pole of the battery core is electrically connected with a negative conductive shell of the conductive battery shell, the positive pole of the battery core is fixed on a positive pole fixing part on the positive conductive shell, and the negative pole of the battery core is fixed on a negative pole fixing part on the negative conductive shell.
Drawings
Fig. 1 is a schematic view of a conductive battery case according to an embodiment of the present utility model.
FIG. 2 is a schematic diagram of a restraint assembly according to an embodiment of the present utility model.
Fig. 3 is a schematic view of a battery according to an embodiment of the present utility model.
Reference numerals: the negative electrode conductive shell 1, the positive electrode conductive shell 2, the insulating part 3, the liquid injection hole 4, the explosion-proof valve 5, the positive electrode fixing part 6, the positive electrode fixing groove 61, the negative electrode fixing part 7, the negative electrode fixing groove 71, the clamping seat 8, the clamping buckle 81, the clamping hole 82 and the battery cell 9.
Detailed Description
Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
The conductive battery case of the embodiment of the present utility model is described below with reference to the accompanying drawings. As shown in fig. 1 to 3, the conductive battery case according to the embodiment of the present utility model includes a positive electrode conductive case 2, a negative electrode conductive case 1, and an insulating part 3.
The positive electrode conductive shell 2, the insulating part 3 and the negative electrode conductive shell 1 are sequentially connected, the positive electrode conductive shell 2 and the negative electrode conductive shell 1 can conduct electricity, and the positive electrode conductive shell 2 and the negative electrode conductive shell 1 are arranged at intervals.
The insulating part 3 is used for sealing a gap between the positive electrode conductive casing 2 and the negative electrode conductive casing 1, and the positive electrode conductive casing, the insulating part 3 and the negative electrode conductive casing 1 define a cell cavity for accommodating the cell 9. The positive electrode conductive shell 2 is used for being electrically connected with a positive electrode column of the battery cell 9, and the negative electrode conductive shell 1 is used for being electrically connected with a negative electrode column of the battery cell 9. That is, after the cell 9 is placed in the cell cavity, the positive electrode conductive housing 2 is not connected (is conductive) to the negative electrode conductive housing 1. The positive pole of the battery cell 9 can be electrically connected with other components through the positive conductive shell 2, the negative pole of the battery cell 9 can be electrically connected with other components through the negative conductive shell 1, and the positive pole of the battery cell 9 is not electrically connected with the negative pole of the battery cell 9. The positive electrode post and the negative electrode post can conduct electricity without being arranged outside, so that the positive electrode conductive shell 2 and the negative electrode conductive shell 1 are applicable to the battery cells 9 with various structures, and the applicability of the conductive battery case is improved.
The inner wall surface of the positive electrode conductive case 2 is provided with a positive electrode fixing portion 6, and the inner wall surface of the negative electrode conductive case 1 is provided with a negative electrode fixing portion 7. The positive electrode fixing part 6 is used for fixing the positive electrode column of the battery cell 9, and the negative electrode fixing part 7 is used for fixing the negative electrode column of the battery cell 9. Therefore, the positive pole and the negative pole of the battery cell 9 can be fixed and stable in the battery cell cavity, and the positive pole and the negative pole of the battery cell 9 are prevented from being disconnected from the conductive battery shell.
Therefore, the conductive battery case provided by the embodiment of the utility model has the advantages of high applicability and convenience in fixing the positive electrode column and the negative electrode column of the battery cell.
As shown in fig. 1, in some embodiments, the positive electrode conductive case 2 and the negative electrode conductive case 1 are disposed opposite to each other in the first direction, and the positive electrode fixing portion 6 and the negative electrode fixing portion 7 are disposed opposite to each other in the first direction. Specifically, the conductive battery case has a (rectangular) box structure, and the positive electrode fixing portion 6 and the negative electrode fixing portion 7 have a symmetrical structure with opposite openings. The positive electrode fixing portion 6 is provided on the wall surface of the negative electrode conductive case 1 facing the positive electrode conductive case 2 in the first direction, and the negative electrode fixing portion 7 is provided on the wall surface of the negative electrode conductive case 1 facing the positive electrode conductive case 2 in the first direction.
The first direction may be a left-right direction, which is indicated by arrows in the figure, and a front-rear direction. For example, the positive electrode conductive case 2 and the negative electrode conductive case 1 are disposed opposite each other in the left-right direction, and the positive electrode fixing portion 6 and the negative electrode fixing portion 7 are disposed opposite each other in the left-right direction.
The insulating part 3 is of an annular structure, the insulating part 3 comprises sealing strips which are sequentially connected in the circumferential direction, and the outer circumferential profile and the inner circumferential profile of the insulating part 3 are rectangular in the cross section perpendicular to the first direction. Specifically, the insulating portion 3 is located between the positive electrode conductive case 2 and the negative electrode conductive case 1 in the first direction. The insulating part 3 is respectively connected with the opening of the positive electrode conductive shell 2 in the first direction and the opening of the negative electrode conductive shell 1 in the first direction at two sides of the first direction, and the insulating part 3 is arranged at the joint position of the positive electrode conductive shell 2 and the negative electrode conductive shell 1 so as to seal the gap between the positive electrode conductive shell 2 and the negative electrode conductive shell 1. In particular, at least one insulating portion 3 is provided, and the sealing manner of the insulating portion 3 may be various.
For example, the left and right sides of the insulating portion 3 are in contact with the opening of the positive electrode conductive case 2 and the opening of the negative electrode conductive case 1. The insulating part 3 is of a plastic structure, and the insulating part 3 can seal the positive electrode conductive case 2 and the negative electrode conductive case 1 by PVC heat sealing or other forms. The insulating parts 3 are provided in two and are respectively provided on the opening of the positive electrode conductive case 2 in the first direction and the opening of the negative electrode conductive case 1 in the first direction, and the insulating parts 3 on the positive electrode conductive case 2 and the insulating parts 3 on the negative electrode conductive case 1 can be connected (clamped).
As shown in fig. 1 and 3, in some embodiments, an explosion-proof valve 5 and a liquid injection hole 4 are provided on the positive electrode conductive housing 2 or the negative electrode conductive housing 1. Specifically, the explosion-proof valve 5 and the liquid injection hole 4 are on the same surface of the cell cavity, and the surface of the positive electrode conductive housing 2 or the negative electrode conductive housing 1 provided with the explosion-proof valve 5 and the liquid injection hole 4 is not provided with a fixing portion (positive electrode fixing portion 6 or negative electrode fixing portion 7). The explosion-proof valve 5 can improve the safety of the conductive battery case, and can inject liquid into the battery core cavity through the liquid injection hole 4.
In some embodiments, the explosion-proof valve 5 and the liquid injection hole 4 are disposed on a first inner wall surface of the positive electrode conductive housing 2, and the positive electrode fixing portion 6 is disposed on a second inner wall surface of the positive electrode conductive housing 2, the first inner wall surface and the second inner wall surface being non-coplanar, that is, the explosion-proof valve 5 and the liquid injection hole 4 are non-coplanar with the positive electrode fixing portion 6. For example, the first inner wall surface is the inner wall surface of the top portion of the positive electrode conductive case 2.
In some embodiments, the explosion-proof valve 5 and the liquid injection hole 4 are provided on a third inner wall surface of the anode conductive casing 1, and the anode fixing portion 7 is provided on a fourth inner wall surface of the anode conductive casing 1, which is not coplanar with the fourth inner wall surface, that is, the explosion-proof valve 5 and the liquid injection hole 4 are not coplanar with the anode fixing portion 7. For example, the third inner wall surface is the inner wall surface of the top portion of the negative electrode conductive case 1.
As shown in fig. 1 and 3, in some embodiments, the positive electrode fixing portion 6 is a positive electrode fixing groove 61 (groove) formed on an inner wall surface of the positive electrode conductive housing 2, and the positive electrode post of the battery cell 9 may extend into the positive electrode fixing groove 61, so that the positive electrode fixing portion 6 (positive electrode fixing groove 61) may limit the positive electrode post of the battery cell 9. The negative electrode fixing portion 7 is a negative electrode fixing groove 71 (groove) formed in an inner wall surface of the negative electrode conductive housing 1, and a negative electrode column of the battery cell 9 can extend into the negative electrode fixing groove 71, so that the negative electrode fixing portion 7 (negative electrode fixing groove 71) can limit the negative electrode column of the battery cell 9. The shapes of the positive electrode fixing portion 6 (positive electrode fixing groove 61) and the negative electrode fixing portion 7 (negative electrode fixing groove 71) are adapted to the shapes of the positive electrode post and the negative electrode post of the corresponding battery cell 9. For example, the positive electrode fixing portion 6 (positive electrode fixing groove 61) and the negative electrode fixing portion 7 (negative electrode fixing groove 71) may have a circular shape, a rectangular shape, a square shape, an elliptical shape, or the like.
In some embodiments, the depth direction of the positive electrode fixing groove 61 coincides with the thickness direction of the positive electrode post of the battery cell 9, and the depth dimension of the positive electrode fixing groove 61 is 0.2mm to 0.5mm larger than the thickness dimension of the first portion of the positive electrode post of the battery cell 9, and the first portion of the positive electrode post may protrude into the positive electrode fixing groove 61. For example, the dimension of the positive electrode fixing groove 61 in the left-right direction is larger than the dimension of the first portion of the positive electrode post of the battery cell 9 in the left-right direction by 0.3mm.
The depth direction of the negative electrode fixing groove 71 is consistent with the thickness direction of the negative electrode post of the battery cell 9, the depth dimension of the negative electrode fixing groove 71 is 0.2mm to 0.5mm larger than the thickness dimension of the second part of the negative electrode post of the battery cell 9, and the second part of the negative electrode post can extend into the negative electrode fixing groove 71. For example, the dimension of the negative electrode fixing groove 71 in the left-right direction is larger than the dimension of the second portion of the negative electrode post of the battery cell 9 in the left-right direction by 0.3mm.
The dimension of the positive electrode fixing groove 61 in the first direction is 0.1mm to 0.3mm larger than the dimension of the positive electrode post of the battery cell 9 in the first direction, and the first direction is perpendicular to the depth direction of the positive electrode fixing groove 61 and the thickness direction of the positive electrode post of the battery cell 9. For example, the dimension of the positive electrode fixing groove 61 in the front-rear direction is larger than the dimension of the positive electrode post of the battery cell 9 in the front-rear direction by 0.2mm.
The dimension of the negative electrode fixing groove 71 in the first direction is 0.1mm to 0.3mm larger than the dimension of the negative electrode post of the battery cell 9 in the first direction, and the first direction is perpendicular to the depth direction of the negative electrode fixing groove 71 and the thickness direction of the negative electrode post of the battery cell 9. For example, the dimension of the negative electrode fixing groove 71 in the front-rear direction is larger than the dimension of the negative electrode post of the battery cell 9 in the front-rear direction by 0.2mm.
As shown in fig. 2 and 3, in some embodiments, a restraint assembly is disposed within both the positive conductive housing 2 and the negative conductive housing 1. The restraint assembly includes a catch 81, the catch 81 being disposed within the die cavity. The buckle 81 is used for abutting against the positive pole or the negative pole of the battery cell 9, and the buckle 81 can limit the positive pole or the negative pole of the battery cell 9 in the radial direction (first direction). For example, the buckle 81 may limit the positive or negative electrode terminal of the battery cell 9 in the front-rear direction so as to fix the positive or negative electrode terminal of the battery cell 9.
In some embodiments, the buckle 81 is elastically deformable in the radial direction of the positive pole or the radial direction of the negative pole of the battery cell 9, one end of the buckle 81 is fixed on the wall surface of the battery cell cavity, and the other end of the buckle 81 is used for abutting against the peripheral side of the positive pole or the peripheral side of the negative pole of the battery cell 9. So that the buckle 81 can fix the positive pole or the negative pole of the battery cell 9 by using the elasticity thereof. For example, the buckle 81 is in a shape of a bar which is obliquely arranged, and the other end of the buckle 81 has a convex arc surface which abuts against the peripheral side of the positive electrode post or the peripheral side of the negative electrode post of the battery cell 9.
In some embodiments, the restraint assembly includes a cartridge 8 and a catch 81. The holder 8 has a hole 82 penetrating therethrough, and the holder 8 is fixed to the inner wall surface of the cell cavity (the negative electrode conductive case 1 and the positive electrode conductive case 2), and the hole 82 communicates with the positive electrode fixing groove 61 or the negative electrode fixing groove 71. The positive pole of the battery cell 9 can pass through the clamping hole 82 and extend into the positive pole fixing groove 61, and the negative pole of the battery cell 9 can pass through the clamping hole 82 and extend into the positive pole fixing groove 61. One end of the buckle 81 is fixed on the clamping seat 8, the other end of the buckle 81 is provided with a clamping hook, and at least part of the positive pole or the negative pole of the battery cell 9 can be clamped in the clamping hook of the buckle 81. So that the case fixes the positive or negative electrode terminal of the battery cell 9 by the hook of the buckle 81. For example, the holder 8 and the catch 81 are both made of hard plastic.
The utility model also proposes a battery comprising an electrical core 9 and an electrically conductive battery shell according to an embodiment of the utility model.
The battery cell 9 is located in the conductive battery shell, the positive pole of the battery cell 9 is electrically connected with the positive conductive shell 2 of the conductive battery shell, the negative pole of the battery cell 9 is electrically connected with the negative conductive shell 1 of the conductive battery shell, the positive pole of the battery cell 9 is fixed on the positive pole fixing part 6 on the positive conductive shell 2, and the negative pole of the battery cell 9 is fixed on the negative pole fixing part 7 on the negative conductive shell 1.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (10)
1. A conductive battery case, comprising: the battery cell comprises an anode conductive shell, a cathode conductive shell and an insulating part, wherein the anode conductive shell, the insulating part and the cathode conductive shell are sequentially connected, the anode conductive shell and the cathode conductive shell can be conductive, the anode conductive shell and the cathode conductive shell are arranged at intervals, the insulating part is used for sealing a gap between the anode conductive shell and the cathode conductive shell, the anode conductive shell, the insulating part and the cathode conductive shell define a battery cell cavity for accommodating a battery cell, the inner wall surface of the anode conductive shell is provided with an anode fixing part, the inner wall surface of the cathode conductive shell is provided with a cathode fixing part, the anode fixing part is used for fixing an anode column of the battery cell, the cathode fixing part is used for fixing a cathode column of the battery cell, the anode conductive shell is used for being electrically connected with the anode column of the battery cell, and the cathode conductive shell is used for being electrically connected with the cathode column of the battery cell.
2. The conductive battery case of claim 1, wherein,
The positive electrode fixing part is a positive electrode fixing groove formed in the inner wall surface of the positive electrode conductive shell, and a positive electrode post of the battery core can extend into the positive electrode fixing groove;
The negative electrode fixing part is a negative electrode fixing groove formed in the inner wall surface of the negative electrode conductive shell, and a negative electrode column of the battery cell can extend into the negative electrode fixing groove.
3. The conductive battery case of claim 2, wherein,
The depth direction of the positive electrode fixing groove is consistent with the thickness direction of the positive electrode column of the battery core, the depth dimension of the positive electrode fixing groove is 0.2mm to 0.5mm larger than the thickness dimension of the first part of the positive electrode column of the battery core, and the first part of the positive electrode column can extend into the positive electrode fixing groove;
The depth direction of the negative electrode fixing groove is consistent with the thickness direction of the negative electrode column of the battery cell, the depth dimension of the negative electrode fixing groove is 0.2mm to 0.5mm larger than the thickness dimension of the second part of the negative electrode column of the battery cell, and the second part of the negative electrode column can extend into the negative electrode fixing groove;
The size of the positive electrode fixing groove in the first direction is 0.1mm to 0.3mm larger than the size of the positive electrode column of the battery cell in the first direction, and the first direction is perpendicular to the depth direction of the positive electrode fixing groove and the thickness direction of the positive electrode column of the battery cell;
The size of the negative electrode fixing groove in the first direction is 0.1mm to 0.3mm larger than the size of the negative electrode column of the battery cell in the first direction, and the first direction is perpendicular to the depth direction of the negative electrode fixing groove and the thickness direction of the negative electrode column of the battery cell.
4. The conductive battery case of claim 2, wherein the positive conductive case and the negative conductive case are both provided with a restraint assembly, the restraint assembly comprises a buckle, the buckle is arranged in the battery cavity, the buckle is used for abutting against a positive pole or a negative pole of the battery cell, and the buckle can limit the positive pole or the negative pole of the battery cell in the radial direction.
5. The conductive battery case according to claim 4, wherein the buckle is elastically deformable in a radial direction of the positive electrode post or a radial direction of the negative electrode post of the battery cell, one end of the buckle is fixed on a wall surface of the battery cell cavity, and the other end of the buckle is used for abutting against a peripheral side of the positive electrode post or a peripheral side of the negative electrode post of the battery cell.
6. The conductive battery case according to claim 4, wherein the restraint assembly comprises a clamping seat and a buckle, the clamping seat is provided with a clamping hole penetrating through the clamping seat, the clamping seat is fixed on the inner wall surface of the battery cavity, the clamping hole is communicated with the positive electrode fixing groove or the negative electrode fixing groove, the positive electrode post of the battery core can penetrate through the clamping hole and extend into the positive electrode fixing groove, the negative electrode post of the battery core can penetrate through the clamping hole and extend into the positive electrode fixing groove, one end of the buckle is fixed on the clamping seat, the other end of the buckle is provided with a clamping hook, and at least part of the positive electrode post or the negative electrode post of the battery core can be clamped in the clamping hook of the buckle.
7. The conductive battery case according to claim 1, wherein an explosion-proof valve and a liquid filling hole are provided on the positive electrode conductive case or the negative electrode conductive case.
8. The conductive battery case of claim 7, wherein,
The explosion-proof valve and the liquid injection hole are arranged on a first inner wall surface of the positive electrode conductive shell, the positive electrode fixing part is arranged on a second inner wall surface of the positive electrode conductive shell, and the first inner wall surface and the second inner wall surface are not coplanar;
Or the explosion-proof valve and the liquid injection hole are arranged on a third inner wall surface of the negative electrode conductive shell, the negative electrode fixing part is arranged on a fourth inner wall surface of the negative electrode conductive shell, and the third inner wall surface and the fourth inner wall surface are not coplanar.
9. The electrically conductive battery housing as in any one of claims 1-8,
The positive electrode conductive shell and the negative electrode conductive shell are oppositely arranged in a first direction, and the positive electrode fixing part and the negative electrode fixing part are oppositely arranged in the first direction;
The insulating part is annular structure, the insulating part includes in proper order continuous sealing strip in circumference, on the cross section of perpendicular to first direction, the periphery profile and the inner periphery profile of insulating part are the rectangle.
10. A battery characterized by comprising a battery cell and the conductive battery shell according to any one of claims 1-9, wherein the battery cell is positioned in the conductive battery shell, a positive pole of the battery cell is electrically connected with a positive conductive shell of the conductive battery shell, a negative pole of the battery cell is electrically connected with a negative conductive shell of the conductive battery shell, the positive pole of the battery cell is fixed on a positive fixed part on the positive conductive shell, and the negative pole of the battery cell is fixed on a negative fixed part on the negative conductive shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322557114.3U CN220856707U (en) | 2023-09-19 | 2023-09-19 | Conductive battery case and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322557114.3U CN220856707U (en) | 2023-09-19 | 2023-09-19 | Conductive battery case and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220856707U true CN220856707U (en) | 2024-04-26 |
Family
ID=90748438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322557114.3U Active CN220856707U (en) | 2023-09-19 | 2023-09-19 | Conductive battery case and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220856707U (en) |
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2023
- 2023-09-19 CN CN202322557114.3U patent/CN220856707U/en active Active
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