CN110212143A - A kind of multi-layer cell connection sheet that positive and negative anodes are compound - Google Patents
A kind of multi-layer cell connection sheet that positive and negative anodes are compound Download PDFInfo
- Publication number
- CN110212143A CN110212143A CN201910412878.9A CN201910412878A CN110212143A CN 110212143 A CN110212143 A CN 110212143A CN 201910412878 A CN201910412878 A CN 201910412878A CN 110212143 A CN110212143 A CN 110212143A
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- China
- Prior art keywords
- positive
- hollow hole
- welding piece
- cathode
- negative
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a kind of multi-layer cell connection sheet that positive and negative anodes are compound, including composite layer, composite layer includes at least negative straps, insulation spacer and positive strap;Negative straps are equipped with several hollow holes I, are equipped with cathode welding piece in each hollow hole I, cathode welding piece is corresponding with each battery case cathode;On piece is dielectrically separated from equipped with hollow hole II, hollow hole II and hollow hole I correspond, and cathode welding piece exposes from hollow hole II, positive strap is equipped with hollow hole III, and hollow hole III and hollow hole II, which correspond, and the area of hollow hole III is greater than the area of cathode welding piece exposes cathode welding piece;Positive welding piece is equipped in hollow hole III, positive welding piece is corresponding with each anode.The present invention can reduce by a welding procedure in cylinder type lithium battery mould group manufacturing process, and positive and negative anodes can disposably weld completion in the same face, can greatly improve production efficiency and reduce the equipment cost of factory.
Description
Technical field
The invention belongs to battery assembly accessory technical fields, and in particular to a kind of multi-layer cell that positive and negative anodes are compound connection
Piece.
Background technique
With the development that science and technology is with rapid changepl. never-ending changes and improvements, electronic product applications in various fields is also more more and more universal.Correspondingly, conduct
The battery in the energy source of each electronic product application be also it is more and more, due to the characteristic of battery itself, voltage is often
Cannot with use its product to match.In actual use, battery is all often by series-parallel mode, by multiple batteries
Monomer carries out different series connection and parallel connection, to reach the voltage and capacity of product requirement.It is large-scale in conventional series-parallel technique
Battery pack, the series-parallel of cylindrical battery mainly (hereinafter referred to as connected by the connection sheet of nickel sheet or other conductive materials
Piece) weld it is groups of.As shown in Figure 1, the anode 6 of cylindrical battery, cathode 7 are in the both ends of battery and entire side gold
Belong to shell is also battery cathode 7 simultaneously.After being welded in series and parallel using connection sheet 8, the shape of battery is as shown in Figure 2.
This kind of having some limitations property of structure cannot be met the requirements when space limits or has other demands in groups.
This kind of welding manner needs first to have welded one side, then inverted welding another side simultaneously, or configures two group weldings simultaneously and set
It is standby to weld two sides simultaneously, to the more demanding of production technology and production equipment.
Summary of the invention
The present invention provides a kind of multi-layer cell connection sheet that positive and negative anodes are compound, can make in cylinder type lithium battery mould group
Cheng Zhong reduces by a welding procedure, and positive and negative anodes can disposably weld completion in the same face, solves welding sequence complexity, mould
Group manufactures the problem that the period is long, production equipment is responsible.
In order to solve the above technical problems, the technical solution adopted in the present invention is as follows:
A kind of multi-layer cell connection sheet that positive and negative anodes are compound, including composite layer, the composite layer include at least negative straps, absolutely
Edge spacer and positive strap, negative straps and positive strap are linked together by insulation spacer;Cathode connection
On piece position corresponding with each anode is equipped with several hollow holes I, is equipped with cathode welding piece, cathode in each hollow hole I
Welding piece is corresponding with each battery case cathode;On piece is dielectrically separated from equipped with hollow hole II, hollow hole II and hollow hole I 1 are a pair of
It answers, and cathode welding piece exposes from hollow hole II, hollow hole II does not block cathode welding piece;Positive strap is equipped with hollow hole
III, hollow hole III is around anode and the hollow out of the position of cathode welding piece setting is to facilitate positioning and welding;It engraves
Emptying aperture III and hollow hole II, which correspond, and the area of hollow hole III is greater than the area of cathode welding piece exposes cathode welding piece;
Positive welding piece is equipped in hollow hole III, positive welding piece is corresponding with each anode.Positive and negative anodes connection sheet is after compound
Welding pieces be dielectrically separated from and positive and negative anodes can carry out the positive and negative anodes for being welded to corresponding battery by hollow hole II.
It is equipped with negative bus-bar on negative straps, positive bus, negative bus-bar are equipped in positive strap
It can be one or more with positive bus, be arranged according to the actual situation, the setting of busbar connector is convenient for connecting with other battery packs
It connects.
The cathode welding piece and negative straps are generally aligned in the same plane or the cathode welding piece is on negative straps
Boss corresponding with battery cathode shell or groove, to increase welding machine flatness and firmness.
The anode welding piece and positive strap are generally aligned in the same plane or the positive welding piece is in positive strap
Boss corresponding with anode or groove, to increase welding machine flatness and firmness.
In the present invention, the composite layer can be four layers, including negative straps, two insulation spacers and anode connection
Piece, negative straps lower end surface are connect with an insulation spacer, and negative straps upper surface passes through another insulation spacer
It is connect with positive strap.
Positive strap and negative straps are combined with each other by the present invention by insulation spacer, can make cylindrical electricity
When Chi Cheng group welding, realizes single side disposably soldered technique, reduce processing step, while also reducing butt welding
The requirement for connecing equipment makes welding equipment only use the positive and negative anodes connection that cylindrical battery can be rapidly completed in a single side welding machine
The welding of piece can greatly improve production efficiency and reduce the equipment cost of factory.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structure chart of battery cell in the prior art.
Fig. 2 is the structure chart of battery pack in the prior art.
Fig. 3 is structural schematic diagram of the invention.
Fig. 4 is explosive view of the invention.
Fig. 5 is the structural schematic diagram of negative straps of the present invention.
Fig. 6 is the structural schematic diagram of insulation spacer of the present invention.
Fig. 7 is the structural schematic diagram of positive strap of the present invention.
Fig. 8 is usage state diagram of the present invention.
Fig. 9 is the structural schematic diagram for the connection sheet that the present invention has four-layer structure.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under that premise of not paying creative labor
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1: as shown in Fig. 3-4 and Fig. 8, a kind of multi-layer cell connection sheet that positive and negative anodes are compound, including composite layer, institute
Stating composite layer includes negative straps 1, insulation spacer 2 and positive strap 3, and negative straps 1 and positive strap 3 pass through
Insulation spacer 2 links together.
As shown in figure 5, position corresponding with each anode is equipped with several I 1-1 of hollow hole on negative straps 1, each
Cathode welding piece 1-2 is equipped in I 1-1 of hollow hole, the cathode welding piece 1-2 and negative straps 1 be generally aligned in the same plane or
The cathode welding piece 1-2 is boss corresponding with battery cathode shell or groove on negative straps 1, smooth to increase welding machine
Degree and firmness.
Cathode welding piece 1-2 is corresponding with each battery case cathode, and negative bus-bar 4 is equipped on negative straps 1.
As shown in fig. 6, insulation spacer 2 is equipped with mono- a pair of II 2-1 of hollow hole, II 2-1 of hollow hole and I 1-1 of hollow hole
It answers, and cathode welding piece 1-2 exposes from II 2-1 of hollow hole, II 2-1 of hollow hole does not block cathode welding piece.
As shown in fig. 7, positive strap 3 is equipped with III 3-1 of hollow hole, III 3-1 of hollow hole is around anode
The hollow out being arranged with the position of cathode welding piece is to facilitate positioning and welding;III 3-1 of hollow hole and II 2-1 of hollow hole is corresponded
And area of the area of III 3-1 of hollow hole greater than cathode welding piece 1-2 exposes cathode welding piece 1-2;In III 3-1 of hollow hole
Equipped with positive welding piece 3-2, positive welding piece 3-2 is corresponding with each anode, the anode welding piece 3-2 and positive strap
3 be generally aligned in the same plane or the anode welding piece 3-2 be positive strap 3 on boss corresponding with anode or groove, with
Increase welding machine flatness and firmness.
Positive and negative anodes connection sheet be after compound welding pieces be dielectrically separated from and positive and negative anodes can by II 2-1 of hollow hole into
Row is welded to the positive and negative anodes of corresponding battery.Positive bus 5 is equipped in positive strap 3.
Negative bus-bar 4 and positive bus 5 can be one or more, be arranged according to the actual situation, and busbar connector is set
It sets convenient for being connect with other battery packs, is respectively one in the present embodiment.
Embodiment 2: a kind of multi-layer cell connection sheet that positive and negative anodes are compound, as shown in figure 9, the composite layer can be four
Layer, including 1, two insulation spacer 2 of negative straps and positive strap 3,1 lower end surface of negative straps and an insulation every
Connected from piece 2,1 upper surface of negative straps is connect by another insulation spacer 2 with positive strap 3, remaining with reality
It is identical to apply example 1.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of multi-layer cell connection sheet that positive and negative anodes are compound, it is characterised in that: including composite layer, the composite layer is included at least
Negative straps (1), insulation spacer (2) and positive strap (3), negative straps (1) and positive strap (3) pass through exhausted
Edge spacer (2) links together;Position corresponding with each anode is equipped with several I (1- of hollow hole on negative straps (1)
1) it, is equipped with cathode welding piece (1-2) in each hollow hole I (1-1), cathode welding piece (1-2) and each battery case cathode phase
It is corresponding;Insulation spacer (2) is equipped with hollow hole II (2-1), and hollow hole II (2-1) and hollow hole I (1-1) are corresponded, and
Cathode welding piece (1-2) exposes from hollow hole II (2-1);Positive strap (3) is equipped with hollow hole III (3-1), hollow hole III
(3-1) is corresponded with hollow hole II (2-1) and area of the area of hollow hole III (3-1) greater than cathode welding piece (1-2) makes
Cathode welding piece (1-2) exposes;It is equipped with positive welding piece (3-2) in the hollow hole III (3-1), positive welding piece (3-2) and each
Anode is corresponding.
2. the compound multi-layer cell connection sheet of positive and negative anodes according to claim 1, it is characterised in that: in negative straps
(1) negative bus-bar (4) are equipped with, are equipped with positive bus (5) on positive strap (3).
3. the compound multi-layer cell connection sheet of positive and negative anodes according to claim 1 or 2, it is characterised in that: the cathode weldering
Contact pin (1-2) and negative straps (1) be generally aligned in the same plane or the cathode welding piece (1-2) be on negative straps (1) with
The corresponding boss of battery cathode shell or groove.
4. the compound multi-layer cell connection sheet of positive and negative anodes according to claim 1 or 2, it is characterised in that: the anode weldering
Contact pin (3-2) and positive strap (3) be generally aligned in the same plane or the positive welding piece (3-2) be on positive strap (3) with
The corresponding boss of anode or groove.
5. the compound multi-layer cell connection sheet of positive and negative anodes according to claim 1, it is characterised in that: the composite layer is four
Layer, including negative straps (1), two insulation spacers (2) and positive strap (3), negative straps (1) lower end surface and one
A insulation spacer (2) connection, negative straps (1) upper surface passes through another insulation spacer (2) and positive strap (3)
Connection.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910412878.9A CN110212143A (en) | 2019-05-17 | 2019-05-17 | A kind of multi-layer cell connection sheet that positive and negative anodes are compound |
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CN201910412878.9A CN110212143A (en) | 2019-05-17 | 2019-05-17 | A kind of multi-layer cell connection sheet that positive and negative anodes are compound |
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CN110212143A true CN110212143A (en) | 2019-09-06 |
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CN201910412878.9A Pending CN110212143A (en) | 2019-05-17 | 2019-05-17 | A kind of multi-layer cell connection sheet that positive and negative anodes are compound |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110860854A (en) * | 2019-10-08 | 2020-03-06 | 宜兴市惠华复合材料有限公司 | Continuous welding process for lithium battery charging and discharging circuit |
CN111952525A (en) * | 2020-08-20 | 2020-11-17 | 华霆(合肥)动力技术有限公司 | Homonymy mass flow device, battery module and electric motor car |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN205944198U (en) * | 2016-08-29 | 2017-02-08 | 华霆(合肥)动力技术有限公司 | Group battery die -filling group |
CN107248564A (en) * | 2017-07-05 | 2017-10-13 | 华霆(合肥)动力技术有限公司 | A kind of battery core block structure and power battery module |
CN207199746U (en) * | 2017-09-13 | 2018-04-06 | 天津翔驰电子有限公司 | A kind of positive-negative plate structure of lithium-ion capacitor battery |
CN108666466A (en) * | 2017-03-27 | 2018-10-16 | 肖立峰 | Battery modules |
CN209544498U (en) * | 2019-05-17 | 2019-10-25 | 河南顺之航能源科技有限公司 | The compound multi-layer cell connection sheet of positive and negative anodes |
-
2019
- 2019-05-17 CN CN201910412878.9A patent/CN110212143A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN205944198U (en) * | 2016-08-29 | 2017-02-08 | 华霆(合肥)动力技术有限公司 | Group battery die -filling group |
CN108666466A (en) * | 2017-03-27 | 2018-10-16 | 肖立峰 | Battery modules |
CN107248564A (en) * | 2017-07-05 | 2017-10-13 | 华霆(合肥)动力技术有限公司 | A kind of battery core block structure and power battery module |
CN207199746U (en) * | 2017-09-13 | 2018-04-06 | 天津翔驰电子有限公司 | A kind of positive-negative plate structure of lithium-ion capacitor battery |
CN209544498U (en) * | 2019-05-17 | 2019-10-25 | 河南顺之航能源科技有限公司 | The compound multi-layer cell connection sheet of positive and negative anodes |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110860854A (en) * | 2019-10-08 | 2020-03-06 | 宜兴市惠华复合材料有限公司 | Continuous welding process for lithium battery charging and discharging circuit |
CN110860854B (en) * | 2019-10-08 | 2021-11-12 | 宜兴市惠华复合材料有限公司 | Continuous welding process for lithium battery charging and discharging circuit |
CN111952525A (en) * | 2020-08-20 | 2020-11-17 | 华霆(合肥)动力技术有限公司 | Homonymy mass flow device, battery module and electric motor car |
CN111952525B (en) * | 2020-08-20 | 2023-06-20 | 华霆(合肥)动力技术有限公司 | Same-side current collecting device, battery module and electric vehicle |
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Effective date of registration: 20210202 Address after: 476000 No.1, area a, electronic information industrial park, 300m east of the intersection of Shangdu Avenue and ZhangXun Road, Shangqiu demonstration area, Henan Province Applicant after: Shangqiu Shenfeng Energy Technology Co.,Ltd. Address before: No.1 CHENFENG Avenue, Shangqiu City, Henan Province Applicant before: HENAN SHUNZHIHANG ENERGY TECHNOLOGY Co.,Ltd. |