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CN209249563U - A kind of electrode connecting piece and battery modules - Google Patents

A kind of electrode connecting piece and battery modules Download PDF

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Publication number
CN209249563U
CN209249563U CN201822168387.8U CN201822168387U CN209249563U CN 209249563 U CN209249563 U CN 209249563U CN 201822168387 U CN201822168387 U CN 201822168387U CN 209249563 U CN209249563 U CN 209249563U
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China
Prior art keywords
cooling medium
connecting piece
electrode connecting
electrode
medium channel
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CN201822168387.8U
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Chinese (zh)
Inventor
莫违华
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Jiangsu Times Amperex Technology Ltd
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Jiangsu Times Amperex Technology Ltd
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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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  • Secondary Cells (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

The utility model relates to energy storage device technical field, a kind of electrode connecting piece and battery modules are provided, the connection sheet is for connecting at least two batteries, and the electrode connecting piece includes: interconnecting piece, for connecting the electrode terminal of battery;Cooling medium channel connect with the interconnecting piece, is used for transmission cooling medium.Above-mentioned technical proposal is provided with cooling medium channel in electrode connecting piece, the cooling medium channel is used for transmission cooling medium, and it is connected with the interconnecting piece for connecting battery, therefore the heat that interconnecting piece generates can quickly be taken away by the cooling medium in cooling medium channel, to substantially increase the radiating efficiency of electrode connecting piece.

Description

A kind of electrode connecting piece and battery modules
Technical field
The utility model relates to energy storage device technical fields, more particularly to a kind of electrode connecting piece and have the electrode The battery modules of connection sheet.
Background technique
Since the energy density and power of battery modules are higher and higher, the electric current of electrode connecting piece is also more next in battery modules Bigger, in some battery modules, the electric current of electrode connecting piece can reach 300A, some even can reach 500A.It is so big Electric current flows through electrode connecting piece, can generate a large amount of heat, and existing electrode connecting piece lacks effective radiator structure.Electrode If heat caused by connection sheet cannot give out in time, electrode connecting piece service life just will affect, or even can be to battery And other structures damage inside battery modules, threaten the safety of entire battery modules.
Utility model content
For this reason, it may be necessary to a kind of electrode connecting piece and battery modules be provided, for solving in battery modules in the prior art The technical issues of electrode connecting piece poor heat radiation.
To achieve the above object, a kind of electrode connecting piece is inventor provided, for connecting at least two batteries, the electricity Pole connection sheet includes:
Interconnecting piece, for connecting the electrode terminal of battery;
Cooling medium channel connect with the interconnecting piece, is used for transmission cooling medium.
Further, the connection surface is protruded at the both ends of the cooling medium channel respectively.
Further, the cooling medium channel is tubular structure, is extended along electrode connecting piece length direction, and be connected to The side of the interconnecting piece.
Further, the cooling medium channel is two, and is arranged along the width direction interval of the electrode connecting piece.
Further, the cooling medium channel is round tube.
Further, the interconnecting piece is plate-like structure.
In order to solve the above technical problems, the utility model additionally provides another technical solution:
A kind of battery modules, comprising:
More than two batteries;
More than two electrode connecting pieces, the electrode connecting piece are the connection of electrode described in any of the above-described technical solution Piece, the interconnecting piece of the electrode connecting piece connect the electrode terminal of at least two batteries;
Connecting tube, the cooling medium channel being connected in more than two electrode connecting pieces.
Further, along the width direction of the electrode connecting piece, the electrode connecting piece is set to two rows;
The battery modules include at least two connecting tubes, and two connecting tubes are correspondingly connected with two rows of electrodes The cooling medium channel of connection sheet.
Further, the cooling medium channel and the connecting tube are located at the inside of the electrode terminal of the battery The outside and/or.
Further, the battery is secondary cell.
It is different from the prior art, above-mentioned technical proposal is provided with cooling medium channel in electrode connecting piece, which is situated between Matter channel is used for transmission cooling medium, and connects with the interconnecting piece for connecting battery, therefore the heat that interconnecting piece generates can be by cold But the cooling medium in medium channel is quickly taken away, to substantially increase the radiating efficiency of electrode connecting piece.
Detailed description of the invention
Fig. 1 is the schematic perspective view of battery modules described in specific embodiment;
Fig. 2 is the partial enlarged view of part A in Fig. 1;
Fig. 3 is the schematic perspective view of electrode connecting piece described in specific embodiment;
Fig. 4 is the sectional view of electrode connecting piece described in specific embodiment;
Description of symbols:
1, electrode connecting piece;
11, interconnecting piece;
12, cooling medium channel;
2, connecting tube;
3, battery;
31, electrode terminal;
Specific embodiment
Technology contents, construction feature, the objects and the effects for detailed description technical solution, below in conjunction with specific reality It applies example and attached drawing is cooperated to be explained in detail.
A kind of battery modules and electrode connecting piece 1 are present embodiments provided referring to FIG. 1 to FIG. 4,.
As depicted in figs. 1 and 2, a kind of battery modules are provided, which includes: more than two batteries 3, electrode Connection sheet 1 and connecting tube 2.
Wherein, battery 3 has two or more, and the big face of battery 3 is arranged successively with respect to front and back, and battery 3 has electrode terminal 31, The electrode terminal 31 of different batteries 3 leads to the electrical connection of electrode connecting piece 1.The secondary cell of preferably repeatable charge and discharge.Wherein, electric The electrode terminal 31 in pond 3 can realize series connection by electrode connecting piece 1, i.e. bearing the positive electrode terminal of battery 3 and adjacent cell 3 Electrode terminal electrical connection;The electrode terminal of battery 3 can also realize parallel connection by electrode connecting piece 1, i.e., just by different batteries 3 Electrode terminal links together, and negative electrode terminal is linked together.
As shown in Figure 2, Figure 3 and Figure 4, electrode connecting piece 1 includes the interconnecting piece 11 for being electrically connected with electrode terminal 31, with And the cooling medium channel 12 being connected with interconnecting piece 11.The connecting tube 2 is connected in more than two electrode connecting pieces 1 The cooling medium channel 12 makes connecting tube 2 and cooling medium channel 12 form the continuous pipeline transmitted for cooling medium, cooling Medium is flowed into from one end of continuous pipeline, and is flowed out from the other end, and the cooling medium can be coolant liquid or air, by cold But heat caused by electrode connecting piece 1 is transferred to outside battery modules by medium, to improve the heat dissipation effect of electrode connecting piece 1 Rate.
Wherein, electrode connecting piece 1 can be formed by way of extrusion forming by conductive metallic material, it is preferred that electrode connects Contact pin 1 is made by aluminium or copper material.Interconnecting piece 11 in electrode connecting piece 1 can be plate-like structure, make itself and battery 3 Electrode terminal 31 there is biggish contact surface, convenient for being connect with electrode terminal 31.The electrode terminal 31 of interconnecting piece 11 and battery 3 Between can be connected and fixed by the modes such as welding, being bolted.The interconnecting piece 11 of electrode connecting piece 1 and different batteries 3 Electrode terminal 31 be electrically connected, so that battery 3 be enable to be electrically connected to each other to form battery modules.
Cooling medium channel 12 refers to the channel for having entrance and exit on 1 surface of electrode connecting piece, and the channel is for supplying Cooling medium transmission.Cooling medium channel 12 can be process in electrode connecting piece 1 by modes such as wire cutting, drillings, It can be and formed cooling tube (inside has cooling medium channel) is connected to the interconnecting piece by modes such as welding 11.Cooling medium channel 12 is that entrance and exit is located at collinear beeline channel in electrode connecting piece 1 shown in Fig. 1, And in other embodiments, cooling medium channel 12 can also be with curved channel, as long as cooling medium can be made to flow through electrode company Inside contact pin 1, and heat exchange can occur with it.For cooling medium channel 12 for the cooling medium that circulates, cooling medium can Coolant liquid or air are thought, as shown in Figure 3 and Figure 4, in use, can lead to more than two cooling mediums by connecting tube 2 Road 12 connects from beginning to end, forms continuous transfer conduit, therefore the heat that can generate each electrode connecting piece 1 by the cooling medium Amount is taken away.
By with above-mentioned, it is found that above-described embodiment is provided with cooling medium channel 12 in electrode connecting piece 1, cooling medium is logical Road 12 is connect with interconnecting piece 11, therefore heat caused by interconnecting piece 11 can be quickly transferred in cooling medium channel 12, and by The cooling medium transmitted in cooling medium channel 12 is taken away, to improve the radiating efficiency of electrode connecting piece 1, makes electrode connecting piece 1 can remain within the scope of lower temperature.
As shown in Figure 1, the electrode terminal 31 (i.e. positive electrode terminal and negative electrode terminal) of battery 3 is located at 3 top of battery Two sides are arranged successively before and after more than two batteries 3, so that the electrode terminal 31 of 3 top two sides of battery is scattered in two column respectively, along institute The width direction of electrode connecting piece 1 is stated, the electrode connecting piece 1 is set to two rows;And adjacent two electrodes connection Cooling medium channel 12 on piece 1 is attached by connecting tube 2, thus the two sides at 3 top of battery be respectively formed two it is cold But medium transfer conduit.The cooling medium transfer conduit is small to the transport resistance of cooling medium, and the cooling efficiency of cooling medium is high, And piping connection is simple and convenient, convenient for assembly.Certain those skilled in the art can according to the actual situation can also push up battery 3 The cooling medium transfer conduit of portion two sides is connected by connecting tube, forms the pipeline of U-shaped, or passes through connecting tube 2 for each electricity Cooling medium channel 12 in pole connection sheet 1 is in series and parallel at the pipeline of other patterns, as long as cooling medium is enable to flow through each electricity Pole connection sheet 1 simultaneously carries out heat exchange and cools down to each electrode connecting piece 1.
When in use in view of electrode connecting piece 1, cooling medium channel 12 needs to be attached by connecting tube 2.Therefore For the ease of the connection of cooling medium channel 12, as shown in figure 3, interconnecting piece is protruded at the both ends of the cooling medium channel 12 respectively 11 surface.Therefore, it can be connect with connecting tube 2 by the part that 11 surface of interconnecting piece is protruded at 12 both ends of cooling medium channel.Its In, it is suitable with the outer diameter of cooling medium channel 12 that the internal diameter of connecting tube 2 can be made, so that it is slotting to enter the end of cooling medium channel 12 Enter connection in connecting tube 2;The internal diameter of cooling medium channel 12 can also be made suitable with the outer diameter of connecting tube 2, make connecting tube 2 It is inserted into connection in cooling medium channel 12.Since connecting tube 2 is round tube mostly, in order to guarantee cooling medium channel 12 and connect The connection sealing of adapter tube 2 as shown in Figure 1, can set round tube for cooling medium channel 12, therefore makes its internal diameter or outer diameter It is all circle, so as to be fitted close with the inner wall or outer wall of connecting tube 2.
In view of processing efficiency is low by way of wire cutting or drilling asks for cooling medium channel 12 in electrode connecting piece 1 Topic.As shown in Figure 3 and Figure 4, it is the processing efficiency for improving electrode connecting piece 1, the cooling medium channel in electrode connecting piece 1 is set It is equipped with as tubular structure, and the tubular structure is connected to the side of the interconnecting piece 11.Therefore, it is produced in electrode connecting piece 1 In the process, it can be used existing cooling tube as the cooling medium channel 12, and pass through the techniques such as welding for cooling tube and company The side of socket part 11 is fixed, to substantially reduce the production difficulty of electrode connecting piece 1, provides its production efficiency.
As shown in figure 3, the cooling medium channel 12 is located at the side of interconnecting piece 11, and along 1 length side of electrode connecting piece To extension, wherein direction A is 1 width direction of electrode connecting piece in Fig. 3, and direction B is 1 length direction of electrode connecting piece.By Fig. 1 and For Fig. 3 it is found that the side of 1 length direction of electrode connecting piece is the interconnecting piece 11 for connecting with electrode terminal 31, the other side is to use In the cooling medium channel 12 connecting with connecting tube 2, the both ends of interconnecting piece 11 along its length are respectively used to and different batteries 3 Electrode terminal 31 connects.Cooling medium channel 12 is set to side in this way and is extended along its length, can make connecting tube 2 with And cooling medium channel 12 and electrode terminal 31 it is non-interference, convenient for the distribution of connecting tube 2, while being also convenient for electrode connecting piece 1 With the connection of electrode terminal 31.
Certainly, in some embodiments, in order to further increase the radiating efficiency of electrode connecting piece 1, can connect in electrode Two cooling medium channels 12 are set in contact pin 1, and two cooling medium channels 12 can be along the width side of the electrode connecting piece 1 It is arranged to interval.Preferably, two cooling medium channels 12 can be set in the two sides of electrode connecting piece width direction, so i.e. It can make electrode connecting piece rapid cooling, while be also convenient for interconnecting piece 11 and electrode terminal welding.
And in view of the insulating requirements between Different electrodes connection sheet 1, the connecting tube 2 can be selected with good insulation Cooling Jie of nonconducting insulation can be used in cooling medium in the nonmetal pipeline of performance, connecting tube 2 and cooling medium channel 12 Matter.
As shown in Figure 1, the cooling medium channel 12 and the connecting tube 2 are located at the interior of the battery electrode terminal 31 Side.The space that 3 top two sides electrode terminal of battery, 31 middle part can be made full use of in this way, keeps the structure of battery modules more compact. Certainly, in some embodiments, the cooling medium channel 12 and the connecting tube 2 are located at the battery electrode terminal 31 Outside.
It should be noted that in the description of the present application unless specifically defined or limited otherwise, term " first ", " the Two ", it is only used for the purpose of description, is not understood to indicate or imply relative importance;Unless otherwise prescribed or illustrate, term " multiple " refer to two or more;Term " connection ", " fixation " etc. shall be understood in a broad sense, for example, " connection " can be It is fixedly connected, may be a detachable connection, or be integrally connected, or electrical connection;It can be directly connected, it can also be in Between medium be indirectly connected.For the ordinary skill in the art, above-mentioned term can be understood at this as the case may be Concrete meaning in invention.
In the description of this specification, it is to be understood that "upper", "lower" described in the embodiment of the present application, "left", "right" The equal nouns of locality are described with angle shown in the drawings, should not be construed as the restriction to the embodiment of the present application.In addition, In context, it is also necessary to which understanding can not only when mentioning an element and being connected to another element "upper" or "lower" It is enough connected directly between another element "upper" or "lower", another element "upper" can also be indirectly coupled to by intermediary element Or "lower".

Claims (10)

1. a kind of electrode connecting piece, for connecting at least two batteries, which is characterized in that the electrode connecting piece includes:
Interconnecting piece, for connecting the electrode terminal of battery;
Cooling medium channel connect with the interconnecting piece, is used for transmission cooling medium.
2. electrode connecting piece according to claim 1, which is characterized in that protrude respectively at the both ends of the cooling medium channel The connection surface.
3. electrode connecting piece according to claim 1, which is characterized in that the cooling medium channel is tubular structure, edge Electrode connecting piece length direction extends, and is connected to the side of the interconnecting piece.
4. electrode connecting piece according to claim 3, which is characterized in that the cooling medium channel is two, and along institute State the width direction interval setting of electrode connecting piece.
5. electrode connecting piece according to claim 3, which is characterized in that the cooling medium channel is round tube.
6. electrode connecting piece according to claim 1, which is characterized in that the interconnecting piece is plate-like structure.
7. a kind of battery modules characterized by comprising
More than two batteries;
More than two electrode connecting pieces, the electrode connecting piece are any electrode connecting piece of claim 1 to 6, institute The interconnecting piece for stating electrode connecting piece connects the electrode terminal of at least two batteries;
Connecting tube, the cooling medium channel being connected in more than two electrode connecting pieces.
8. battery modules according to claim 7, which is characterized in that described along the width direction of the electrode connecting piece Electrode connecting piece is set to two rows;
The battery modules include at least two connecting tubes, and two connecting tubes are correspondingly connected with two rows of electrode connections The cooling medium channel of piece.
9. battery modules according to claim 8, which is characterized in that the cooling medium channel and the connecting tube position In the inside and or outside of the electrode terminal of the battery.
10. battery modules according to claim 9, which is characterized in that the battery is secondary cell.
CN201822168387.8U 2018-12-21 2018-12-21 A kind of electrode connecting piece and battery modules Active CN209249563U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822168387.8U CN209249563U (en) 2018-12-21 2018-12-21 A kind of electrode connecting piece and battery modules

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822168387.8U CN209249563U (en) 2018-12-21 2018-12-21 A kind of electrode connecting piece and battery modules

Publications (1)

Publication Number Publication Date
CN209249563U true CN209249563U (en) 2019-08-13

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111370808A (en) * 2020-03-25 2020-07-03 烟台厚旭能源科技有限责任公司 Heat radiation structure of power battery module
CN112018462A (en) * 2020-10-19 2020-12-01 江苏时代新能源科技有限公司 Battery, electric device, and method and equipment for preparing battery
WO2022082397A1 (en) * 2020-10-19 2022-04-28 江苏时代新能源科技有限公司 Battery, electric apparatus, and method and device for preparing battery
DE102021121015A1 (en) 2021-08-12 2023-02-16 Bayerische Motoren Werke Aktiengesellschaft energy storage
US11996580B2 (en) 2020-10-19 2024-05-28 Jiangsu Contemporary Amperex Technology Limited Battery, power consumption device, and method and device for producing battery
US12036877B2 (en) 2020-10-19 2024-07-16 Jiangsu Contemporary Amperex Technology Limited Battery, power consumption device, and method and device for producing battery

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111370808A (en) * 2020-03-25 2020-07-03 烟台厚旭能源科技有限责任公司 Heat radiation structure of power battery module
CN112018462A (en) * 2020-10-19 2020-12-01 江苏时代新能源科技有限公司 Battery, electric device, and method and equipment for preparing battery
WO2022082397A1 (en) * 2020-10-19 2022-04-28 江苏时代新能源科技有限公司 Battery, electric apparatus, and method and device for preparing battery
EP4064409A4 (en) * 2020-10-19 2024-01-10 Jiangsu Contemporary Amperex Technology Limited Battery, electric apparatus, and method and device for preparing battery
US11996580B2 (en) 2020-10-19 2024-05-28 Jiangsu Contemporary Amperex Technology Limited Battery, power consumption device, and method and device for producing battery
US12036877B2 (en) 2020-10-19 2024-07-16 Jiangsu Contemporary Amperex Technology Limited Battery, power consumption device, and method and device for producing battery
US12087965B2 (en) * 2020-10-19 2024-09-10 Jiangsu Contemporary Amperex Technology Limited Battery, electric apparatus, and method and device for preparing battery
DE102021121015A1 (en) 2021-08-12 2023-02-16 Bayerische Motoren Werke Aktiengesellschaft energy storage

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