CN204230333U - A kind of cell connector and use the electrokinetic cell bag of this cell connector - Google Patents
A kind of cell connector and use the electrokinetic cell bag of this cell connector Download PDFInfo
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- CN204230333U CN204230333U CN201420565155.5U CN201420565155U CN204230333U CN 204230333 U CN204230333 U CN 204230333U CN 201420565155 U CN201420565155 U CN 201420565155U CN 204230333 U CN204230333 U CN 204230333U
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- sheet
- cell connector
- link
- battery modules
- hole
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Links
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 231
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 116
- 230000005611 electricity Effects 0.000 claims description 20
- 238000003466 welding Methods 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 238000006056 electrooxidation reaction Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000007747 plating Methods 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000116 mitigating effect Effects 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002815 nickel Chemical class 0.000 description 1
Classifications
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides a kind of cell connector and uses the electrokinetic cell bag of this cell connector, this cell connector comprises: the first link and the second link, described first link has first surface and second surface, is provided with nickel sheet on the first surface; Described first link has the first through hole running through cell connector, in nickel sheet, corresponding first through hole is provided with the connecting hole running through nickel sheet; Described second link has the second through hole running through cell connector.The cell connector proposed in the utility model is for the connection between electrokinetic cell module, and not only electrochemical corrosion resistant performance is strong, and technique is simple, and cost is low, is connected firmly, and security performance is high.
Description
Technical field
The utility model relates to a kind of cell connector and uses the electrokinetic cell bag of this cell connector.
Background technology
Society, along with the raising of people's living standard, the recoverable amount of automobile is also in cumulative year after year.The exhaust emissions problem brought due to fuel vehicle is a key factor of current environmental pollution.Therefore, the new-energy automobile such as electric automobile or hybrid electric vehicle arises at the historic moment, and they represent a developing direction of future automobile.
In electric automobile, core is exactly power battery pack as power resources the most.At present, lithium ion battery becomes the first-selected power source of people because it has the advantages such as energy density is high, safety, volume are little.Electrokinetic cell module is formed by serial or parallel connection, formation electrokinetic cell bag in series or in parallel with each other and electrokinetic cell between several electrokinetic cell modules between each cell of electrokinetic cell.In prior art, serial or parallel connection between electrokinetic cell module is connected by cell connector, during connection, one end of cell connector is connected with the positive terminal of electrokinetic cell module, the other end of cell connector is connected with the negative pole end of electrokinetic cell module, and cell connector is generally copper sheet or aluminium flake, the positive terminal of battery modules is aluminium, negative pole end is copper, when copper brace is connected with the positive terminal of battery modules or aluminium brace is connected with the negative pole end of battery modules, because the normal potential of copper and aluminium differs greatly, when contact connects, in a humidity environment, very easily there is electrochemical corrosion.Electrochemical corrosion can cause contact internal resistance excessive thus occur overheated problem, has a strong impact on the performance of battery core.Usual meeting does coating on the surface of junction, conventional nickel plating, or silver-plated, and thickness of coating only has several μm to tens um.For this problem, propose in prior art and do conductive coating on the surface of junction, conventional nickel plating, or silver-plated mode alleviates electrochemical corrosion, but this complex process, and contaminated environment, costly, coating is thin, and binding force of cladding material is poor, corrosion resistant performance is also poor.
Utility model content
The utility model is in order to solve prior art medium power battery modules with when being connected by cell connector between module, easy generation electrochemical corrosion thus cause the excessive problem of contact internal resistance, and the complex process, the problem that seriously polluted, cost is high, corrosion resistance is weak that occur when carrying out corrosion mitigation by plating in prior art, provide a kind of cost is low, decay resistance is strong cell connector and use the electrokinetic cell bag of this cell connector.
First the utility model provides a kind of cell connector, it is characterized in that, comprising:
First link and the second link, described first link has first surface and second surface, and described first surface is provided with nickel sheet;
Described first link has the first through hole running through cell connector, in nickel sheet, corresponding first through hole is provided with the connecting hole running through nickel sheet;
Described second link has the second through hole running through cell connector.
Preferably, described second surface is also provided with nickel sheet, arranges corresponding first through hole in nickel sheet on a second surface and is provided with the connecting hole running through nickel sheet.
Preferably, described second link has the 3rd surface and the 4th surface, and described 3rd surface and/or the 4th surface are provided with nickel sheet, and in the nickel sheet being arranged on the 3rd surperficial and/or the 4th surface, corresponding second through hole is provided with the connecting hole running through nickel sheet.
Preferably, described nickel sheet is arranged at the first surface of the first link by the mode of welding.
Preferably, described first surface is provided with groove, and described nickel sheet is arranged in described groove.
Preferably, the degree of depth of described groove equals the thickness of nickel sheet.
Preferably, described first through hole, the second through hole and described connecting hole are all at least 2.
Preferably, described cell connector also comprises the middle interconnecting piece connecting described first link and described second link, and described middle interconnecting piece is arch or arc.
The utility model also provides a kind of electrokinetic cell bag, comprise the battery modules that several are connected mutually, battery modules comprises positive pole and negative pole, connected by cell connector between adjacent two battery modules, it is characterized in that, described cell connector is above-mentioned cell connector, described cell connector is copper sheet, first link of cell connector is electrically connected with the positive pole of battery modules, second link of cell connector is connected with the negative electricity of battery modules, and the first surface of described first link is relative with battery modules.
Preferably, described positive pole contains sheet-like anode exit, containing the first installing hole running through sheet-like anode exit on described sheet-like anode exit; Described electrokinetic cell bag also comprises the installed part be fixedly connected on by cell connector in battery modules, and the first link of cell connector is electrically connected with the positive pole of battery modules through the first corresponding installing hole, the first through hole and connecting hole by described installed part.
Preferably, described negative pole is pole, and the second link of cell connector is connected with the negative electricity of battery modules through the second through hole by described pole; Or described negative pole contains sheet-like cathode exit, containing the second installing hole running through sheet-like cathode exit on described sheet-like cathode exit; Described electrokinetic cell bag also comprises the installed part be fixedly connected on by cell connector in battery modules, and the second link of cell connector is connected with the negative electricity of battery modules through the second corresponding installing hole, the second through hole by described installed part; Preferably, described second link has the 3rd surface and the 4th surface, described 3rd surface and/or the 4th surface are provided with nickel sheet, in the nickel sheet being arranged on the 3rd surface and/or the 4th surface, corresponding second through hole is provided with the connecting hole running through nickel sheet, and the second link of cell connector is connected with the negative electricity of battery modules through the second corresponding installing hole, the second through hole and the connecting hole that is arranged on the 3rd surface of the second link and/or the nickel sheet on the 4th surface by described installed part; Preferably, described sheet-like anode exit and/or the described sheet-like cathode exit surface relative with cell connector are provided with nickel sheet; Corresponding first installing hole of nickel sheet on described sheet-like anode exit is provided with the connecting hole running through nickel sheet; Corresponding second installing hole of nickel sheet on described sheet-like cathode exit is provided with the connecting hole running through nickel sheet.
The utility model also provides a kind of electrokinetic cell bag, comprises the battery modules that several are connected mutually, and battery modules comprises positive pole and negative pole, is connected between adjacent two modules by cell connector; It is characterized in that, described cell connector is the above-mentioned cell connector of this utility model, described cell connector is aluminium flake, first link of cell connector is connected with negative electricity, second link of cell connector is electrically connected with the positive pole of battery modules, and the first surface of described first link is relative with battery modules.
Preferably, described negative pole contains sheet-like cathode exit, containing the second installing hole running through sheet-like cathode exit on described sheet-like cathode exit; Described electrokinetic cell bag also comprises the installed part be fixedly connected on by cell connector in battery modules, and the first link of cell connector is connected with the negative electricity of battery modules through the second corresponding installing hole, the first through hole by described installed part; Preferably, described second link has the 3rd surface and the 4th surface, described 3rd surface and/or the 4th surface are provided with nickel sheet, in the nickel sheet being arranged on the 3rd surface and/or the 4th surface, corresponding second through hole is provided with the connecting hole running through nickel sheet, and the first link of cell connector is connected with the negative electricity of battery modules through the second corresponding installing hole, the first through hole and the connecting hole that is arranged on the 3rd surface of the second link and/or the nickel sheet on the 4th surface by described installed part.
Preferably, described just very pole, the second link of cell connector is electrically connected with the positive pole of battery modules through the second through hole by described pole; Or described positive pole contains sheet-like anode exit, containing the first installing hole running through sheet-like anode exit on described sheet-like anode exit; Described electrokinetic cell bag also comprises the installed part be fixedly connected on by cell connector in battery modules, and the second link of cell connector is electrically connected with the positive pole of battery modules through the first corresponding installing hole, the second through hole and connecting hole by described installed part; Preferably, described sheet-like anode exit and/or the described sheet-like cathode exit surface relative with cell connector are provided with nickel sheet; Corresponding first installing hole of nickel sheet on described sheet-like anode exit is provided with the connecting hole running through nickel sheet; Corresponding second installing hole of nickel sheet on described sheet-like cathode exit is provided with the connecting hole running through nickel sheet.
Accompanying drawing explanation
Fig. 1 is the structural representation of wherein a kind of cell connector of the present utility model;
Fig. 2 is the structural representation of another kind of cell connector of the present utility model;
Fig. 3 is the structural representation of the 3rd kind of cell connector of the present utility model;
Fig. 4 is the structural representation of the 4th kind of cell connector of the present utility model;
Fig. 5 is the structural representation of the 5th kind of cell connector of the present utility model;
Fig. 6 is the syndeton schematic diagram of the utility model wherein a kind of electrokinetic cell bag of execution mode;
Fig. 7 is the syndeton schematic diagram of the electrokinetic cell bag of the another kind of execution mode of the utility model;
Fig. 8 is the syndeton schematic diagram of the electrokinetic cell bag of the third execution mode of the utility model.
Embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The cell connector 1 for connecting between electrokinetic cell module according to the utility model embodiment is described in detail referring to accompanying drawing 1-6.It should be noted that, cell connector 1 be connected to battery modules positive and negative extreme on, to make two adjacent battery modules series connection.
As shown in Figure 1, according to the cell connector 1 for connecting between electrokinetic cell module of the utility model embodiment, it comprises: the first link 11 and the second link 12, described first link 11 has first surface and second surface, and nickel sheet 2 is arranged on the first surface.When wherein cell connector 1 connects adjacent two battery modules, the face that the first link 11 of cell connector 1 is relative with battery modules is first surface, and the face that the first link 11 of cell connector 1 is opposing with battery modules is second surface.Described nickel sheet 2 is arranged on the first surface of the first link 11, the set-up mode of nickel sheet 2 on the first surface of the first link 11 by welding, also can adopt other modes, preferably adopts the mode of welding to connect, such switching performance is better, and contact is good, internal resistance is low and firm.The mode of welding has multiple, such as soldering, explosive welding (EW), Laser Welding etc., but preferably adopts soldering, and welding effect is good and technique simple, and cost is low.In addition, first link 11 of cell connector 1 has the first through hole 111 running through this cell connector 1, in nickel sheet 2, corresponding first through hole 111 is provided with the connecting hole 21 running through nickel sheet 2, also has the second through hole 121 running through cell connector 1 on the second link 12 of cell connector 1 simultaneously.By the first surface of the first link 11 at cell connector 1, nickel sheet 2 is set, wherein first surface is the face that the first link 11 is relative with battery modules, effectively can solve cell connector when being connected with the both positive and negative polarity of battery modules, very easily there is the problem of electrochemical corrosion in the Contact of dissimilar metal.
Further, be also provided with nickel sheet 2 at the second surface of the first link 11 of cell connector 1, as shown in Figure 2, in this nickel sheet 2, corresponding first through hole 111 is also provided with the connecting hole running through nickel sheet 2.The second surface of the first link 11 is that cell connector 1 is when connecting battery modules, the face that first link 11 is opposing with battery modules, at second surface, nickel sheet is set simultaneously, because of nickel sheet stable performance, cell connector can be protected not to be corroded thus to cause danger at wet environment; Described nickel sheet 2 preferably adopts the mode of welding to be arranged on the second surface of the first link 11.
As shown in Figure 3, Figure 4, further, second link 12 of cell connector 1 has the 3rd surface and the 4th surface, according to embodiment of the present utility model, nickel sheet can also be set on the 3rd surface of the second connection 12, or nickel sheet is set on the 4th surface of the second link 12, or nickel sheet 2 is set on the 3rd surface of the second link 12 and the 4th surface of the second link 12 simultaneously; Preferably, nickel sheet 2 is arranged on the 3rd surface and/or the 4th surface of the second link 12 by the mode of welding.By the second link 12 the 3rd surface and/or the 4th surface nickel sheet 2 is also set, due to the stability of nickel sheet, better can protect cell connector, prevent cell connector from corroding in wet environment.Meanwhile, corresponding, be arranged on the second link 12 the 3rd surface and/or the 4th surface on nickel sheet 2 on corresponding second through hole 121 be provided with the connecting hole running through nickel sheet 2.
Further, the first surface of the first link 11 is provided with groove 112, this groove 112 can be channel-shaped (not shown), also can be step-like, as shown in Figure 1, during welding, nickel sheet is arranged in groove and welds, so not only attractive in appearance, and saves space, preferably, the degree of depth of described groove equals the thickness of nickel sheet.
According to embodiment of the present utility model, the first through hole 111 on described first link 11, on second link 12 the second through hole 121 and nickel sheet 2 on connecting hole 21 be one or more, be preferably, the first through hole 111 on first link 11, the second through hole 121 on second link 12 and the connecting hole 21 in nickel sheet 2 are all at least more than 2 or 2, more preferably 2, the first through hole 111 on first link 11, when the second through hole 121 on second link 12 and the connecting hole 21 in nickel sheet 2 are all set to multiple, installed part is through through hole, connecting hole and battery modules positive pole stomidium or negative pole stomidium, complete cell connector 1 when being connected with battery modules positive terminal or being connected with the negative pole end of battery modules, or installed part is through through hole and battery modules positive pole stomidium or negative pole stomidium, complete cell connector 1 when being connected with battery modules positive terminal or being connected with the negative pole end of battery modules, cell connector 1 can not rotate relative to the negative pole end of the positive terminal of battery modules or battery modules, connect more firm.
Further, described cell connector 1 also comprises the pars intermedia 13 connecting described first link 11 and described second link 12, and described pars intermedia 13 connects the first connecting portion 11 and the second connecting portion 12, and pars intermedia 13 is preferably arch or arc.Electrokinetic cell in use there will be more violent rocking, and arranges arch or arc at the pars intermedia of cell connector 1, can play good cushioning effect, solves electrokinetic cell and is impacted because acutely rocking and damage.
The utility model provides a kind of electrokinetic cell bag, as shown in Figure 6, several battery modules of mutually connecting drawn together by this electrokinetic cell handbag, battery modules comprises positive pole and negative pole, connected by cell connector 1 between adjacent two battery modules, described cell connector 1 is copper sheet, first link 11 of cell connector 1 is electrically connected with the positive pole of battery modules, second link 12 of cell connector 1 is connected with the negative electricity of battery modules, and the first surface of described first link 11 is relative with battery modules.The positive pole of battery modules contains sheet-like anode exit 3, and corresponding first through hole 111 is provided with the first installing hole 31 running through this sheet-like anode exit 3 on sheet-like anode exit 3, the quantity of this first installing hole 31 can be one or more, preferably, the quantity of this first installing hole 31 is equal with the quantity of the first through hole 111, be one or more, preferably, be 2.Described electrokinetic cell bag also includes the installed part 5 be fixedly connected on by cell connector 1 in battery modules, and the first link 11 of cell connector 1 is electrically connected with the positive pole of battery modules through the first corresponding through hole 111, connecting hole 21 and the first installing hole 31 by installed part 5.Described installed part is bolt.
Preferably, the surface relative with cell connector of described sheet-like anode exit 3 is provided with nickel sheet 2, corresponding first installing hole 31 of nickel sheet 2 on this sheet-like anode exit is provided with the connecting hole 21 running through nickel sheet 2, now, first link 11 of cell connector 1 is electrically connected with the positive pole of battery modules through the first corresponding through hole 111, connecting hole 21 and the first installing hole 31 by installed part 5, connecting hole 21 had both comprised the connecting hole in the nickel sheet 2 on sheet-like anode exit 3, also comprised the connecting hole in the nickel sheet on the first link 11.
Now, the negative pole of battery modules can be directly the negative pole pole of cell in battery modules, also can for the sheet-like cathode exit of being drawn by battery modules;
When the negative pole of battery modules is pole, as shown in figure 5 and figure 7, the second link 12 of cell connector 1 is connected with the negative electricity of battery modules through the second through hole 121 on the second link 12 of cell connector 1 by the negative pole pole of battery modules.
When the negative pole of battery modules is sheet-like cathode exit, as shown in Figure 6, on described sheet-like cathode exit 4 containing the second installing hole 41 running through sheet-like cathode exit; Described electrokinetic cell bag also comprises the installed part 5 be fixedly connected on by cell connector in battery modules, and described installed part 5 is connected with the negative electricity of battery modules with second link 12 of the second installing hole 41 by cell connector through the second corresponding through hole 121; Preferably, described second link has the 3rd surface and the 4th surface, described 3rd surface and/or the 4th surface are provided with nickel sheet, in the nickel sheet being arranged on the 3rd surface and/or the 4th surface, corresponding second through hole is provided with the connecting hole running through nickel sheet, and now described installed part 5 is connected with the negative electricity of battery modules with second link 12 of the second installing hole 41 by cell connector through corresponding connecting hole 21, second through hole 121 be arranged in the 3rd surface of the second link and/or the nickel sheet on the 4th surface.Described installed part is bolt;
Preferably, the surface relative with cell connector 1 of described sheet-like cathode exit 4 is provided with nickel sheet 2, in nickel sheet 2 on this sheet-like cathode exit 4, corresponding second installing hole 41 is provided with the connecting hole 21 running through nickel sheet 2, now, installed part 5 is connected with the negative electricity of battery modules with second link 12 of the second installing hole 41 by cell connector 1 through the second corresponding through hole 121, connecting hole 21, namely connecting hole 21 comprises the connecting hole in the nickel sheet 2 on sheet-like cathode exit 4, also comprises the connecting hole in the nickel sheet on the second link 12.
The utility model also provides a kind of electrokinetic cell bag, as shown in Figure 6, several battery modules of mutually connecting drawn together by this electrokinetic cell handbag, battery modules comprises positive pole and negative pole, connected by cell connector 1 between adjacent two battery modules, described cell connector 1 is aluminium flake, first link 11 of cell connector 1 is connected with the negative electricity of battery modules, second link 12 of cell connector 1 is electrically connected with the positive pole of battery modules, and the relative battery modules of first surface of described first link 11 is arranged.The negative pole of battery modules contains sheet-like cathode exit 4, and corresponding first through hole 111 is provided with the second installing hole 41 running through this sheet-like cathode exit 4 on sheet-like cathode exit 4, the quantity of this second installing hole 41 can be one or more, preferably, the quantity of this second installing hole 41 is equal with the quantity of the first through hole 111, be one or more, preferably, be 2.Described electrokinetic cell bag also includes the installed part 5 be fixedly connected on by cell connector 1 in battery modules, and installed part 5 is connected with the negative electricity of battery modules with first link 11 of the second installing hole 41 by cell connector 1 through the first corresponding through hole 111, connecting hole 21.Described installed part is bolt.
Preferably, the surface relative with cell connector 1 of described sheet-like cathode exit 4 is provided with nickel sheet 2, corresponding second installing hole 41 of nickel sheet 2 on this sheet-like cathode exit is provided with the connecting hole 21 running through nickel sheet 2, now, installed part 5 is connected with the negative electricity of battery modules with first link 11 of the second installing hole 41 by cell connector 1 through the first corresponding through hole 111, connecting hole 21, connecting hole 21 had both comprised the connecting hole in the nickel sheet 2 on sheet-like cathode exit 4, also comprised the connecting hole in the nickel sheet on the first link 11.
Now, the positive pole of battery modules can be directly the Positive Poles of cell in battery modules, also can for the sheet-like anode exit of being drawn by battery modules;
When the just very pole of battery modules, the second link 12 of cell connector 1 is electrically connected with the positive pole of battery modules through the second through hole 121 on the second link 12 of cell connector 1 by the Positive Poles of battery modules, as shown in Figure 5 and Figure 8.
When the just very sheet-like anode exit of battery modules, as shown in Figure 6, containing the first installing hole 31 running through sheet-like anode exit on described sheet-like anode exit 3; Described electrokinetic cell bag also comprises the installed part 5 be fixedly connected on by cell connector in battery modules, and the second link 12 of cell connector is electrically connected with the positive pole of battery modules through the second corresponding through hole 121 and the first installing hole 31 by described installed part 5; Preferably, described second link has the 3rd surface and the 4th surface, described 3rd surface and/or the 4th surface are provided with nickel sheet, in the nickel sheet being arranged on the 3rd surface and/or the 4th surface, corresponding second through hole is provided with the connecting hole running through nickel sheet, and now described installed part 5 is arranged on connecting hole 21, second through hole 121 in the 3rd surface of the second link and/or the nickel sheet on the 4th surface and the second link 12 of cell connector is electrically connected with the positive pole of battery modules by the first installing hole 31 through corresponding.Described installed part is bolt;
Preferably, the surface relative with cell connector 1 of described sheet-like anode exit 3 is provided with nickel sheet 2, in nickel sheet 2 on this sheet-like anode exit 3, corresponding first installing hole 31 is provided with the connecting hole 21 running through nickel sheet 2, now, second link 12 of cell connector 1 is electrically connected with the positive pole of battery modules through the second corresponding through hole 121, connecting hole 21 and the first installing hole 31 by installed part 5, namely connecting hole 21 comprises the connecting hole in the nickel sheet 2 on sheet-like anode exit 3, also comprises the connecting hole in the nickel sheet on the second link 12.
Other structures of electrokinetic cell described in the utility model, composition, assembling similarly to the prior art, do not repeat them here.The cell connector that employing the utility model provides is for the connection between electrokinetic cell module, solve prior art medium power battery modules with when being connected by electrokinetic cell brace between module, easy generation electrochemical corrosion thus cause the excessive problem of contact internal resistance, and the complex process occurred when carrying out corrosion mitigation by plating in prior art, seriously polluted, cost is high, the problem that corrosion resistance is weak, and, the cell connector that the utility model provides, formation process is simple, cost is low, decay resistance is strong, greatly improve the security performance of electrokinetic cell.
Claims (18)
1. a cell connector, is characterized in that, comprising:
First link and the second link, described first link has first surface and second surface, and described first surface is provided with nickel sheet;
Described first link has the first through hole running through cell connector, in nickel sheet, corresponding first through hole is provided with the connecting hole running through nickel sheet;
Described second link has the second through hole running through cell connector.
2. cell connector according to claim 1, is characterized in that, described second surface is also provided with nickel sheet, and in the nickel sheet being arranged on second surface, corresponding first through hole is provided with the connecting hole running through nickel sheet.
3. cell connector according to claim 1, it is characterized in that, described second link has the 3rd surface and the 4th surface, described 3rd surface and/or the 4th surface be provided with nickel sheet, be arranged on the 3rd surface and/or the 4th surface nickel sheet on corresponding second through hole be provided with the connecting hole running through nickel sheet.
4. the cell connector according to claim 1-3 any one, is characterized in that, described nickel sheet is arranged at the first surface of the first link by the mode of welding.
5. cell connector according to claim 1, is characterized in that, described first surface is provided with groove, and described nickel sheet is arranged in described groove.
6. cell connector according to claim 5, is characterized in that, the degree of depth of described groove equals the thickness of nickel sheet.
7. cell connector according to claim 1, is characterized in that, described first through hole, the second through hole and described connecting hole are all at least 2.
8. cell connector according to claim 1, is characterized in that, described cell connector also comprises the middle interconnecting piece connecting described first link and described second link, and described middle interconnecting piece is arch or arc.
9. an electrokinetic cell bag, comprise the battery modules that several are connected mutually, battery modules comprises positive pole and negative pole, connected by cell connector between adjacent two battery modules, it is characterized in that, described cell connector for the cell connector described in claim 1-8 any one, described cell connector be copper sheet, first link of cell connector is electrically connected with the positive pole of battery modules, and the first surface of described first link is relative with battery modules; Second link of cell connector is connected with the negative electricity of battery modules.
10. electrokinetic cell bag according to claim 9, is characterized in that, described positive pole contains sheet-like anode exit, containing the first installing hole running through sheet-like anode exit on described sheet-like anode exit; Described electrokinetic cell bag also comprises installed part, and the first link of cell connector is electrically connected with the positive pole of battery modules through the first corresponding through hole, connecting hole and the first installing hole by described installed part.
11. electrokinetic cell bags according to claim 10, is characterized in that, described negative pole is pole, and the second link of cell connector is connected with the negative electricity of battery modules through the second through hole by described pole.
12. electrokinetic cell bags according to claim 10, it is characterized in that, described negative pole contains sheet-like cathode exit, containing the second installing hole running through sheet-like cathode exit on described sheet-like cathode exit;
Described second link has the 3rd surface and the 4th surface, and described 3rd surface and/or the 4th surface are provided with nickel sheet, and in the nickel sheet being arranged on the 3rd surperficial and/or the 4th surface, corresponding second through hole is provided with the connecting hole running through nickel sheet;
Described electrokinetic cell bag also comprises the installed part be fixedly connected on by cell connector in battery modules, and described installed part is connected with the negative electricity of battery modules with second link of connecting hole by cell connector through the second corresponding installing hole, the second through hole.
13. electrokinetic cell bags according to claim 10 or 12, is characterized in that, described sheet-like anode exit and/or the described sheet-like cathode exit surface relative with cell connector are provided with nickel sheet;
Corresponding first installing hole of nickel sheet on described sheet-like anode exit is provided with the connecting hole running through nickel sheet;
Corresponding second installing hole of nickel sheet on described sheet-like cathode exit is provided with the connecting hole running through nickel sheet.
14. 1 kinds of electrokinetic cell bags, comprise the battery modules that several are connected mutually, and battery modules comprises positive pole and negative pole, are connected between adjacent two modules by cell connector; It is characterized in that, described cell connector is the cell connector described in claim 1-8 any one, described cell connector is aluminium flake, first link of cell connector is connected with negative electricity, second link of cell connector is electrically connected with the positive pole of battery modules, and the first surface of described first link is relative with battery modules.
15. electrokinetic cell bags according to claim 14, it is characterized in that, described negative pole contains sheet-like cathode exit, containing the second installing hole running through sheet-like cathode exit on described sheet-like cathode exit; Described electrokinetic cell bag also comprises the installed part be fixedly connected on by cell connector in battery modules, and described installed part is connected with the negative electricity of battery modules with first link of connecting hole by cell connector through the second corresponding installing hole, the first through hole.
16. electrokinetic cell bags according to claim 15, is characterized in that, described just very pole, and the second link of cell connector is electrically connected with the positive pole of battery modules through the second through hole by described pole.
17. electrokinetic cell bags according to claim 15, it is characterized in that, described positive pole contains sheet-like anode exit, containing the first installing hole running through sheet-like anode exit on described sheet-like anode exit;
Described second link has the 3rd surface and the 4th surface, and described 3rd surface and/or the 4th surface are provided with nickel sheet, and in the nickel sheet being arranged on the 3rd surperficial and/or the 4th surface, corresponding second through hole is provided with the connecting hole running through nickel sheet;
Described electrokinetic cell bag also comprises the installed part be fixedly connected on by cell connector in battery modules, and the second link of cell connector is electrically connected with the positive pole of battery modules through the first corresponding installing hole, the second through hole and connecting hole by described installed part.
18. electrokinetic cell bags according to claim 15 or 17, it is characterized in that, the surface relative with cell connector of described sheet-like anode exit and/or described sheet-like cathode exit is provided with nickel sheet;
Corresponding first installing hole of nickel sheet on described sheet-like anode exit is provided with the connecting hole running through nickel sheet;
Corresponding second installing hole of nickel sheet on described sheet-like cathode exit is provided with the connecting hole running through nickel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420565155.5U CN204230333U (en) | 2014-09-29 | 2014-09-29 | A kind of cell connector and use the electrokinetic cell bag of this cell connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420565155.5U CN204230333U (en) | 2014-09-29 | 2014-09-29 | A kind of cell connector and use the electrokinetic cell bag of this cell connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204230333U true CN204230333U (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420565155.5U Expired - Lifetime CN204230333U (en) | 2014-09-29 | 2014-09-29 | A kind of cell connector and use the electrokinetic cell bag of this cell connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204230333U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106558670A (en) * | 2015-09-30 | 2017-04-05 | 比亚迪股份有限公司 | For the adapter of electrokinetic cell, electrokinetic cell module, electrokinetic cell bag, automobile |
| CN112272897A (en) * | 2019-02-21 | 2021-01-26 | 株式会社Lg化学 | Battery module including terminal connection structure provided with floating nut and battery pack including the same |
-
2014
- 2014-09-29 CN CN201420565155.5U patent/CN204230333U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106558670A (en) * | 2015-09-30 | 2017-04-05 | 比亚迪股份有限公司 | For the adapter of electrokinetic cell, electrokinetic cell module, electrokinetic cell bag, automobile |
| CN112272897A (en) * | 2019-02-21 | 2021-01-26 | 株式会社Lg化学 | Battery module including terminal connection structure provided with floating nut and battery pack including the same |
| US11996585B2 (en) | 2019-02-21 | 2024-05-28 | Lg Energy Solution, Ltd. | Battery module including terminal connecting structure provided with floating nut and battery pack including the same |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20150325 |