CN207097934U - Electrode connecting piece and battery modules - Google Patents

Electrode connecting piece and battery modules Download PDF

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Publication number
CN207097934U
CN207097934U CN201721115112.7U CN201721115112U CN207097934U CN 207097934 U CN207097934 U CN 207097934U CN 201721115112 U CN201721115112 U CN 201721115112U CN 207097934 U CN207097934 U CN 207097934U
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China
Prior art keywords
connecting piece
electrode connecting
heat emission
emission hole
electrode
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CN201721115112.7U
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Chinese (zh)
Inventor
卢臣智
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Contemporary Amperex Technology Co Ltd
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Contemporary Amperex Technology Co Ltd
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Priority to CN201721115112.7U priority Critical patent/CN207097934U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Connection Of Batteries Or Terminals (AREA)

Abstract

The application is related to energy storage device technical field, more particularly to a kind of electrode connecting piece and battery modules.The electrode connecting piece have heat emission hole with along the relative first surface and second surface in its thickness direction;The heat emission hole runs through the electrode connecting piece along the thickness direction, and the side wall area of the heat emission hole is more than area sum of the heat emission hole on the first surface and the second surface.The radiating effect of electrode connecting piece provided herein is preferable.

Description

Electrode connecting piece and battery modules
Technical field
The application is related to energy storage device technical field, more particularly to a kind of electrode connecting piece, further relates to a kind of battery modules.
Background technology
With the enhancing of people's energy conservation and environmental awareness, the application of battery is more and more extensive.In order to reach the electricity of required size Stream or voltage, battery modules generally connect together multiple batteries by way of in parallel or series, and general between battery Connected by electrode connecting piece.Because the electric current in battery modules is relatively large, thus lead in the electrode connecting piece of metal material More heat can be often produced, and these heats can have a negative impact to the normal work of electrode connecting piece, and then reduce electricity The service life of pole connection sheet, the safety of whole battery modules can be even threatened when serious.
Utility model content
This application provides a kind of electrode connecting piece and battery modules, the radiating effect of the electrode connecting piece is preferable.
The first aspect of the application provides a kind of electrode connecting piece, and the electrode connecting piece has heat emission hole and thick along itself Spend direction relative first surface and second surface;
The heat emission hole runs through the electrode connecting piece along the thickness direction, and the side wall area of the heat emission hole is more than Area sum of the heat emission hole on the first surface and the second surface.
Preferably, the heat emission hole is provided with multiple, and multiple heat emission holes are distributed uniformly and with embarking on journey in the first direction.
Preferably, the first surface and the second surface are plane, have in the first surface with it is described The vertical second direction of first direction, in this second direction, heat emission hole is interspersed described in multirow.
Preferably, the heat emission hole is cylindrical structure.
Preferably, the electrode connecting piece includes at least two flow passages and adjustment portion, and at least two flow passages lead to Cross the adjustment portion connection;
The flow passage is planar structure, and the adjustment portion is domes.
Preferably, the adjustment portion is provided with multiple heat emission holes, and each heat emission hole is along at itself position Thickness direction run through the adjustment portion.
Preferably, the positioning hole run through along its thickness direction is provided with the flow passage, the positioning hole is used for institute The electrode for stating flow passage and the battery is located by connecting.
Preferably, the arch area is protruded to the side away from the electrode.
Preferably, the flow passage is two, and two flow passages are connected by an adjustment portion, and an institute State and fool proof breach is provided with flow passage.
The application second aspect also provides a kind of battery modules, including at least two batteries and as above any described electrode Connection sheet, at least two batteries are connected by the electrode connecting piece.
The technical scheme that the application provides can reach following beneficial effect:
Electrode connecting piece provided herein, by increasing heat emission hole so that the area of dissipation of whole electrode connecting piece It is increased;Meanwhile the design of heat emission hole, air can also be made to be flowed mutually in the space of electrode connecting piece both sides, to enter one Step improves the radiating efficiency of electrode connecting piece, and then can improve the service life of electrode connecting piece.
It should be appreciated that the general description and following detailed description of the above are only exemplary, this can not be limited Application.
Brief description of the drawings
A kind of structural representation for electrode connecting piece that Fig. 1 is provided by the embodiment of the present application;
Fig. 2 is Fig. 1 top view;
The structural representation for another electrode connecting piece that Fig. 3 is provided by the embodiment of the present application.
Reference:
1- first surfaces;
2- heat emission holes;
3- flow passages;
30- positioning holes;
31- fool proof breach;
4- adjustment portions.
Accompanying drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the application Example, and be used to together with specification to explain the principle of the application.
Embodiment
The application is described in further detail below by specific embodiment and with reference to accompanying drawing.
As shown in Figure 1-2, the embodiment of the present application provides a kind of electrode connecting piece, and radiating is provided with the electrode connecting piece Hole 2, heat emission hole 2 can be, along the first surface 1 and second surface that its thickness direction is relative, and can to lead in penetrating electrode connection sheet Calculating is crossed, sets the area of the side wall of heat emission hole 2 to be more than area sum of the heat emission hole 2 on first surface 1 and second surface.
Wherein, electrode connecting piece can be formed by metal material by way of extrusion forming, it is preferred that electrode connecting piece It can be formed by metallic copper material;The modes such as mould punching, wire cutting can be used to process heat emission hole in electrode connecting piece 2, the number of heat emission hole 2 can be multiple, and this can further improve radiating effect, and those skilled in the art can be according to reality Situation, the structure of heat emission hole 2 is rationally set, for example, heat emission hole 2 can be right prism body structure, trapezoidal prism structure, Yi Jiyuan Rod structure etc.;Preferably, heat emission hole 2 can be cylindrical structural, and this is advantageous to the processing work for completing heat emission hole 2, Jin Eryou Beneficial to raising production efficiency.
It is above-mentioned to understand, heat emission hole 2 is processed in electrode connecting piece, and make first surface 1 with being dissipated on second surface because processing Hot hole 2 and the area sum of part cut out, less than the area of the side wall of increased heat emission hole 2 because of increase heat emission hole, this is not only The area of dissipation of whole electrode connecting piece, and the design of heat emission hole 2 are increased, the place side of first surface 1 and second can also be made The gas of side where surface can carry out heat exchange work by heat emission hole 2, and during gas flows, gas can be taken away A part of heat, and then the radiating rate of electrode connecting piece can be accelerated, thus, the design of heat emission hole 2 can improve whole electricity The radiating efficiency of pole connection sheet.Simultaneously as heat emission hole 2 is machined with electrode connecting piece, can be with the whole electrode of relative reduction The rigidity of connection sheet, and then can make electrode connecting piece that there is certain elasticity, this allows electrode connecting piece to have regulation The ability of adjacent electrode height, to ensure that electrode connecting piece can be connected with electrode all the time.
As depicted in figs. 1 and 2, in order to further improve the radiating efficiency of electrode connecting piece, heat emission hole 2 can be provided with more It is individual, and can be distributed uniformly and with embarking on journey in the first direction for the ease of processing, multiple heat emission holes 2.Wherein, first direction can be with For the direction A shown in Fig. 2.
Specifically, those skilled in the art can rationally set multiple heat emission holes 2 according to the size of electrode connecting piece Position, and the size of each heat emission hole 2, by enabling multiple heat emission holes 2 relatively uniform and being distributed in electrode with embarking on journey In connection sheet, the rate of heat dispation of position in whole electrode connecting piece can be balanced, this can ensure whole electrode connecting piece Trouble free service.
In view of offering heat emission hole 2 in electrode connecting piece, thus in order that electrode connecting piece still has higher structure Intensity, specifically, as depicted in figs. 1 and 2, in a second direction, multirow heat emission hole 2 can be interspersed.People in the art Member can be each according to the aperture of the heat emission hole 2 of cylindrical structure, and the size of electrode connecting piece in a second direction, reasonable Arrangement The position of row heat emission hole 2 so that multirow heat emission hole 2 in a second direction can be interspersed, and this can maximumlly be utilized Space in electrode connecting piece, and can ensure that electrode connecting piece has higher structural strength as much as possible, without There is situation about being broken because being machined with heat emission hole 2 in electrode connecting piece.Wherein, second direction is vertical with first direction, and the Two directions can be the direction B shown in Fig. 2.
Further, electrode connecting piece can include the flow passage 3 of adjustment portion 4 and at least two, and at least two flow passages 3 can To be connected by adjustment portion 4;In order to further improve the elasticity of whole electrode connecting piece, adjustment portion 4 can be domes, and It is connected for the ease of flow passage 3 with electrode, flow passage 3 can be planar structure.
Specifically, an electrode connecting piece can only include two flow passages 3 and an adjustment portion 4, two flow passages 3 can To be connected to the both ends of an adjustment portion 4;Certainly, electrode connecting piece can also include multiple flow passages 3 and multiple Adjustment portion 4, multiple flow passages 3 can replace connection with multiple adjustment portions 4, and the both ends of former electrodes connection sheet can be Stream portion 3, so that electrode connecting piece can be connected by the flow passage 3 of planar structure with electrode.Can by way of extrusion forming, Electrode connecting piece is integrally formed, and the electrode connecting piece includes the flow passage 3 of planar structure and the adjustment portion 4 of domes;When So, the electrode connecting piece of planar structure can also be first processed, then is connected by electrode of the techniques such as pressing and bending in planar structure The adjustment portion 4 of domes is formed at the intermediate region of contact pin.
Further, multiple heat emission holes 2 can also be provided with adjustment portion 4, and in order to reduce difficulty of processing, multiple radiatings Hole 2 can run through adjustment portion 4 along the thickness direction at itself position.
Specifically, as shown in figure 1, in order to reduce the difficulty of processing of electrode connecting piece, and in order to prevent in domes Adjustment portion 4 at process heat emission hole 2 during, occur heat emission hole 2 destroy adjustment portion 4 situation, thus machined electrode connect During contact pin, the electrode connecting piece of planar structure can be first processed, may then pass through the modes such as mould punching, wire cutting flat The heat emission hole 2 that multirow is processed in the electrode connecting piece of face structure and is interspersed in a second direction, finally, as shown in figure 3, can In a manner of being bent by punching press etc., adjustment portion 4 is formed in the middle position of the electrode connecting piece with heat emission hole 2;Obvious, Then this processing mode reprocesses heat emission hole 2 compared to the electrode connecting piece of the adjustment portion 4 first processed with domes Mode it is more preferable.
Connect for the ease of the electrode of electrode connecting piece and battery, can be provided with along its thickness direction on flow passage 3 The positioning hole 30 run through, the process that positioning hole 30 can make the electrode of flow passage 3 and battery be located by connecting are easier.For example, can To form positioning hole 30 on flow passage 3 by way of boring processing, those skilled in the art can set according to actual conditions The shape and size of positioning hole 30.Obvious, it can be provided with positioning hole 30 on each flow passage 3.
Further, in order to prevent electrode connecting piece to be in contact with the miscellaneous part in battery in addition to an electrode, arch The adjustment portion 4 of structure can be protruded to the side away from electrode, and this can improve the security of whole battery.
As shown in Figure 3, it is preferred that in the case where an electrode connecting piece includes two flow passages 3, a flow passage 3 On can be provided with fool proof breach 31, fool proof breach 31 can be formed on flow passage 3 by way of cutting, accordingly, also Fool proof projection (not shown) can be set in frock corresponding with the electrode connecting piece, and this can be prevented in assembled battery Process electrode connecting piece is anti-loaded, and then product quality can be improved.Likewise, include multiple mistakes in an electrode connecting piece In the case of stream portion 3, it can be located at respectively in two flow passages 3 at both ends of electrode connecting piece, select a flow passage 3, And fool proof breach 31 is processed on the flow passage 3.
The electrode connecting piece provided based on any of the above-described embodiment, the application also provide a kind of battery modules, the battery Module can include at least two batteries and any of the above-described cell connector, and at least two batteries can pass through the electrode connecting piece Connection.
The preferred embodiment of the application is the foregoing is only, is not limited to the application, for the skill of this area For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.

Claims (10)

1. a kind of electrode connecting piece, for connecting at least two batteries, it is characterised in that the electrode connecting piece has heat emission hole With along the relative first surface and second surface in its thickness direction;
The heat emission hole runs through the electrode connecting piece along the thickness direction, and the side wall area of the heat emission hole is more than described Area sum of the heat emission hole on the first surface and the second surface.
2. electrode connecting piece according to claim 1, it is characterised in that the heat emission hole be provided with it is multiple, it is multiple described Heat emission hole is distributed uniformly and with embarking on journey in the first direction.
3. electrode connecting piece according to claim 2, it is characterised in that the first surface is with the second surface Plane, there is the second direction vertical with the first direction, in this second direction, multirow institute in the first surface Heat emission hole is stated to be interspersed.
4. electrode connecting piece according to claim 1, it is characterised in that the heat emission hole is cylindrical structure.
5. electrode connecting piece according to claim 1, it is characterised in that the electrode connecting piece includes at least two excessively streams Portion and adjustment portion, at least two flow passages are connected by the adjustment portion;
The flow passage is planar structure, and the adjustment portion is domes.
6. electrode connecting piece according to claim 5, it is characterised in that the adjustment portion is provided with multiple radiatings Hole, and each heat emission hole runs through the adjustment portion along the thickness direction at itself position.
7. electrode connecting piece according to claim 5, it is characterised in that be provided with the flow passage along its thickness side To through positioning hole, the positioning hole be used for the flow passage and the battery electrode be located by connecting.
8. electrode connecting piece according to claim 7, it is characterised in that the arch area to away from the electrode side Protrusion.
9. electrode connecting piece according to claim 5, it is characterised in that the flow passage is two, two excessively streams Portion is connected by an adjustment portion, and is provided with fool proof breach on a flow passage.
10. a kind of battery modules, it is characterised in that including at least two batteries and as claimed in any one of claims 1-9 wherein Electrode connecting piece, at least two batteries are connected by the electrode connecting piece.
CN201721115112.7U 2017-09-01 2017-09-01 Electrode connecting piece and battery modules Active CN207097934U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721115112.7U CN207097934U (en) 2017-09-01 2017-09-01 Electrode connecting piece and battery modules

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721115112.7U CN207097934U (en) 2017-09-01 2017-09-01 Electrode connecting piece and battery modules

Publications (1)

Publication Number Publication Date
CN207097934U true CN207097934U (en) 2018-03-13

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CN201721115112.7U Active CN207097934U (en) 2017-09-01 2017-09-01 Electrode connecting piece and battery modules

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108461175A (en) * 2018-04-18 2018-08-28 江苏金奕达铜业股份有限公司 A kind of multifunctional special-shaped copper bar
CN108565489A (en) * 2018-03-20 2018-09-21 华霆(合肥)动力技术有限公司 Thermal conductive silicon rubber cushion and battery modules

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108565489A (en) * 2018-03-20 2018-09-21 华霆(合肥)动力技术有限公司 Thermal conductive silicon rubber cushion and battery modules
CN108565489B (en) * 2018-03-20 2023-11-28 华霆(合肥)动力技术有限公司 Heat conduction silica gel pad and battery module
CN108461175A (en) * 2018-04-18 2018-08-28 江苏金奕达铜业股份有限公司 A kind of multifunctional special-shaped copper bar

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