CN105958004A - Battery single module and battery - Google Patents
Battery single module and battery Download PDFInfo
- Publication number
- CN105958004A CN105958004A CN201610415442.1A CN201610415442A CN105958004A CN 105958004 A CN105958004 A CN 105958004A CN 201610415442 A CN201610415442 A CN 201610415442A CN 105958004 A CN105958004 A CN 105958004A
- Authority
- CN
- China
- Prior art keywords
- battery
- cell module
- battery cell
- copper sheet
- nickel plating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- 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
- H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention provides a battery single module. The battery single module comprises a cell, a clamping plate equipped with a cell mounting hole and fixed on the cell, a copper sheet and a nickel-plated steel sheet, wherein the copper sheet is welded on the nickel-plated steel sheet in a laser spot welding manner; and the two electrodes of the cell are connected with the nickel-plated steel sheet through spot welding. The invention also provides a battery applying the battery single module provided by the invention. Compared with the shortcoming of unstable overcurrent caused by a small area of the riveted contact surface and bad contact in the prior art, the battery single module and the battery applying the battery single module provided by the scheme have the beneficial effects as follows: the nickel-plated steel sheet and the copper sheet are welded together through laser spot welding; the laser welding is flat; the overall plane contact area can be enlarged and firm contact can be realized; and therefore, stable overcurrent between the battery modules can be effectively ensured and the high-current passing requirement can be satisfied.
Description
Technical field
The present invention relates to field of batteries, particularly relate to a kind of battery cell module and battery.
Background technology
Along with the development of New-energy electric vehicle, for battery case capacity, volume, battery core combination, dissipate
Heat and fixing require more and more higher, it is necessary to have the most rational structure, composition density is higher, rational in infrastructure,
Reliable battery modules is installed, to reach to meet the requirement of battery case security performance.
Battery structure conveyance capacity is transversal by be connected in series between battery core limit and conductive plate such as copper sheet
The size in face embodies, and traditional a lot of techniques are all the copper coins that one thickness of riveting is thicker, only rivet
The contact of some position, contact surface is too small, and does not reaches super-high-current requirement.Excessive due to internal resistance again, cause
Contact point generates heat, it is possible that loose contact after long-term work, overcurrent is unstable, can give follow-up electricity
Pond case brings certain structural safety hidden danger.
It addition, the module on existing market be all left and right or upper and lower covers mode synthesize a monomer module,
Module weight lays particular stress on, and hot hole heat radiation is also simply broken up in heat radiation on shell, and surrounding battery radiating effect is poor.
Summary of the invention
The invention provides a kind of battery cell module and battery, it is possible to be effectively ensured between battery modules
Cross stream to stablize and the requirement of super-high-current.
For solving above-mentioned technical problem, the present invention provides a kind of battery cell module, including battery core, has
Battery core installing hole and be enclosed within the clamp at described battery core two ends, copper sheet and nickel plating steel disc；Described copper sheet laser
Point is welded on described nickel plating steel disc, and two electrodes of described battery core are by laser spot welding and described nickel plating steel disc
Connect.
Preferably, described copper sheet is that I-shaped laser spot welding is connected with described nickel plating steel disc.
Preferably, the area of described copper sheet is less than the area of described nickel plating steel disc.
Preferably, described copper sheet and described nickel plating steel disc are provided with louvre.
Preferably, described clamp, described nickel plating steel disc and described copper sheet relative position are provided with screw vent,
Screw rod is by the battery cell module after the fastening assembling of described screw vent.
Preferably, described clamp includes base plate, is arranged on described base plate and for limiting battery core position
Installing hole and be arranged on the support column on described base plate；Described installing hole is by arranging parallel distribution and closely arranging
Row are arranged, described installing hole adjacent in adjacent two rows is staggered layout.
Preferably, it is provided with louvre between the described installing hole that described base plate is adjacent in adjacent row.
Preferably, the side of described clamp is additionally provided with between battery cell module the connection connected
Nut.
Preferably, described copper sheet has bending side in the attaching nut side of described clamp, described copper sheet
Bending side and attaching nut corresponding position have position, hole breach, and position, described hole breach is enclosed within described connection spiral shell
On mother.
The present invention also provides for a kind of battery, described battery applications a kind of battery cell mould provided by the present invention
Group.
A kind of battery cell module that the invention described above is provided, including battery core, have battery core installing hole and
Clamp, copper sheet and the nickel plating steel disc being fixed in battery core.Copper sheet laser spot welding is on nickel plating steel disc, electric
Two electrodes of core are connected with nickel plating steel disc by spot welding.The present invention also provides for a kind of battery, applies this
Bright provided battery cell module., loose contact little compared to the riveting contact area of prior art is led
The overcurrent caused is unstable, a kind of battery cell module that this programme provides and apply this battery cell module
Battery, by laser spot welding, nickel plating steel disc is welded together with copper sheet, laser welding is smooth, welding
Whole plane contact area can be allowed big and contact firm, it is possible to be effectively ensured between battery modules to cross stream steady
Determine and the requirement of super-high-current.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only embodiments of the invention, for those of ordinary skill in the art, not
On the premise of paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided.
Fig. 1 is the front view of battery cell module provided by the present invention；
Fig. 2 is the side view of battery cell module provided by the present invention.
In figure, clamp 1, battery core 2, copper sheet 3, nickel plating steel disc 4, screw vent 5, position, hole breach 6.
Detailed description of the invention
Core of the present invention is to provide a kind of battery cell module, it is possible to the mistake being effectively ensured between battery modules
Stream is stablized and the requirement of super-high-current.
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with the accompanying drawings and implement
The present invention is described in further detail for mode.
Refer to the front view that Fig. 1 and Fig. 2, Fig. 1 are battery cell module provided by the present invention；Fig. 2 is
The side view of battery cell module provided by the present invention.A kind of battery cell module provided by the present invention,
Including battery core 2, there is battery core 2 installing hole and the clamp 1 being fixed in battery core 2, copper sheet 3 and nickel plating steel disc
4.Copper sheet 3 laser spot welding is on nickel plating steel disc 4, and two electrodes of battery core 2 are by spot welding with nickel plating steel disc 4 even
Connect.The overcurrent that, loose contact little compared to the riveting contact area of prior art causes is unstable, this
A kind of battery cell module that scheme provides, is welded together nickel plating steel disc with copper sheet by laser spot welding,
Laser welding is smooth, weld whole plane contact area can be allowed bigger compared to riveting and contact firm, energy
The stream of crossing enough being effectively ensured between battery modules is stablized and the requirement of super-high-current.
Further, copper sheet 3 is connected for I-shaped laser spot welding with nickel plating steel disc 4, I-shaped increases a little
The firmness of weldering.The area of copper sheet 3 is less than the area of nickel plating steel disc 4, battery cell module electrode end edge
The periphery battery of edge is crossed stream and is used nickel plating steel disc 4 to cross stream, can not only meet battery and cross stream requirement, and,
Effectively reduce the area of copper sheet, reduce cost, alleviate the weight that battery cell module is overall.
It is provided with louvre, for battery ventilation and heat effect on copper sheet 3 and nickel plating steel disc 4.
Clamp 1, nickel plating steel disc 4 are provided with screw vent 5 with copper sheet 3 relative position, and screw rod passes through screw rod
Battery cell module after through hole 5 fastening assembling, fixes battery cell module entirety.
Clamp 1 includes base plate, is arranged on base plate and for limiting the installing hole of battery core position and being arranged on
Support column on base plate.Installing hole is by arranging parallel distribution and close-packed arrays layout, adjacent in adjacent two rows
Installing hole is staggered layout.Wherein, it is provided with between the described installing hole that base plate is adjacent in adjacent row
Louvre, for battery ventilation and heat.Support column is used for supporting battery cell module.Battery cell module
Interior when using a clamp 1, support column is arranged on two surfaces up and down of base plate, it is provided that whole battery list
The support of body module.In battery cell module when using two or more clamp 1, it is positioned at battery core electrode two
The support column of two clamps 1 of end is arranged on a side surface of base plate, and other are positioned in the middle of battery core electrode
The support column of clamp 1 is arranged on two surfaces up and down of base plate, and adjacent clamp 1 is mutually abutted by support column,
The support of whole battery cell module is provided.Clamp only wraps up battery core sub-fraction surface area, and other
Part is the most exposed, does not carry out fully wrapped around to battery core, therefore, it is possible to preferably dispel the heat.Alternating expression is arranged
Mode for cloth makes on the clamp of same area, and the residual area in addition to each installing hole is minimum, installing hole
What distribution energy was maximum utilizes Battery Card board space.And relatively making clamp lighter in weight, weight is the fullest
Reach the gentliest to change in the case of foot structural strength as far as possible.This clamp is used can effectively to save battery core arrangement sky
Between, make battery core reach maximum space utilization rate in battery cell module internal.
The attaching nut connected it is additionally provided with between battery cell module on the side of clamp 1.Adjacent
Attaching nut position that battery modules is connected on clamp 1 by connector is also connected with, and connects
Nut can be positioned on clamp 1 by welding or integral type, reaches the series connection between battery cell module
Or it is in parallel fixing.Wherein, connector can use aluminium sheet, because battery cell module screw rod is the most firm
Gu fixing, so aluminium sheet connects can reach lightweight, contact smooth purpose.
Copper sheet 3 has bending side, the bending side of copper sheet 3 and attaching nut couple in the attaching nut side of clamp 1
Answering position to have position, hole breach 6, position, hole breach 6 is enclosed within attaching nut.The benefit of this position, hole breach 6 is
As long as after being put into by the weldment welded of nickel plating steel disc 4 and copper sheet 3, position, hole breach 6 is enclosed within attaching nut
On, position up and down can be automatically positioned, it is not necessary to any tool locating just can spot welding battery, just
It is assembled into a battery modules.Wherein, copper sheet 3 is connected for I-shaped laser spot welding with nickel plating steel disc 4, plating
The I-shaped center being just in battery core of nickel steel piece.
In addition a kind of battery that the present invention provides, this battery applications above-mentioned battery cell module.Use above-mentioned
The battery of battery cell module, battery can effectively ensure that equally between battery modules cross stream stable and
The requirement of super-high-current.
Above a kind of battery cell module provided by the present invention and battery are described in detail.Herein
In apply specific case principle and the embodiment of the present invention be set forth, saying of above example
Bright method and the core concept thereof being only intended to help to understand the present invention.It should be pointed out that, and this technology is led
For the those of ordinary skill in territory, under the premise without departing from the principles of the invention, it is also possible to the present invention is entered
The some improvement of row and modification, these improve and modify in the protection domain also falling into the claims in the present invention.
Claims (10)
1. a battery cell module, it is characterised in that include battery core (2), there is battery core installing hole
And it is enclosed within the clamp (1) at described battery core (2) two ends, copper sheet (3) and nickel plating steel disc (4)；Institute
Stating copper sheet (3) laser spot welding on described nickel plating steel disc (4), two electrodes of described battery core (2) lead to
Cross laser spot welding to be connected with described nickel plating steel disc (4).
2. according to the battery cell module described in claim 1, it is characterised in that described copper sheet (3)
It is that I-shaped laser spot welding is connected with described nickel plating steel disc (4).
3. according to the battery cell module described in claim 1, it is characterised in that described copper sheet (3)
Area less than the area of described nickel plating steel disc (4).
4. according to the battery cell module described in claim 1, it is characterised in that described copper sheet (3)
It is provided with louvre with on described nickel plating steel disc (4).
5. according to the battery cell module described in claim 1, it is characterised in that described clamp (1),
Described nickel plating steel disc (4) and described copper sheet (3) relative position are provided with screw vent (5), and screw rod leads to
Cross the battery cell module after described screw vent (5) fastening assembles.
6. according to the battery cell module described in claim 5, it is characterised in that described clamp (1)
Including base plate, it is arranged on described base plate and for limiting the installing hole of battery core position and being arranged on described
Support column on base plate；Described installing hole is by arranging parallel distribution and close-packed arrays layout, phase in adjacent two rows
Adjacent described installing hole is staggered layout.
7. according to the battery cell module described in claim 5, it is characterised in that described base plate is in phase
It is provided with louvre between described installing hole adjacent in adjacent row.
8. according to the battery cell module described in claim 5, it is characterised in that described clamp (1)
Side on be additionally provided with between battery cell module connect attaching nut.
Battery cell module described in the most according to Claim 8, it is characterised in that described copper sheet (3)
There is bending side, the bending side of described copper sheet (3) and company in the attaching nut side of described clamp (1)
Connected nut corresponding position has position, hole breach (6), and position, described hole breach (6) is enclosed within described connection spiral shell
On mother.
10. a battery, it is characterised in that in described battery applications claim 1-9 described in any one
Battery cell module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610415442.1A CN105958004B (en) | 2016-06-14 | 2016-06-14 | Battery cell mould group and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610415442.1A CN105958004B (en) | 2016-06-14 | 2016-06-14 | Battery cell mould group and battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105958004A true CN105958004A (en) | 2016-09-21 |
| CN105958004B CN105958004B (en) | 2019-03-01 |
Family
ID=56905571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610415442.1A Active CN105958004B (en) | 2016-06-14 | 2016-06-14 | Battery cell mould group and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105958004B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107611329A (en) * | 2017-09-18 | 2018-01-19 | 华霆（合肥）动力技术有限公司 | Battery welding device and battery modules |
| CN110165132A (en) * | 2019-05-20 | 2019-08-23 | 苏州安靠电源有限公司 | Compound confluence piece for battery modules |
| CN113523572A (en) * | 2021-08-31 | 2021-10-22 | 东莞市万连实业有限公司 | Laser welding method for novel battery module copper bar connecting piece |
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| CN205039192U (en) * | 2015-10-19 | 2016-02-17 | 扬州峰威新能源科技有限公司 | Novel battery module |
| DE102014115330A1 (en) * | 2014-10-21 | 2016-04-21 | H-Tech Ag | Battery pack and method for mounting a battery pack |
| CN205944222U (en) * | 2016-06-14 | 2017-02-08 | 广东松湖动力技术有限公司 | Battery monomer module and battery |
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Patent Citations (8)
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| CN102623651A (en) * | 2012-04-17 | 2012-08-01 | 山东精工电子科技有限公司 | Cylindrical lithium battery |
| CN203398189U (en) * | 2013-07-31 | 2014-01-15 | 山西皇城相府中道能源有限公司 | High-power battery device assembled by single battery cores |
| CN203631624U (en) * | 2013-12-19 | 2014-06-04 | 合普新能源科技有限公司 | Large-current over-current air cooling module for battery |
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| CN205944222U (en) * | 2016-06-14 | 2017-02-08 | 广东松湖动力技术有限公司 | Battery monomer module and battery |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107611329A (en) * | 2017-09-18 | 2018-01-19 | 华霆（合肥）动力技术有限公司 | Battery welding device and battery modules |
| CN107611329B (en) * | 2017-09-18 | 2024-03-08 | 华霆（合肥）动力技术有限公司 | Battery welding device and battery module |
| CN110165132A (en) * | 2019-05-20 | 2019-08-23 | 苏州安靠电源有限公司 | Compound confluence piece for battery modules |
| CN113523572A (en) * | 2021-08-31 | 2021-10-22 | 东莞市万连实业有限公司 | Laser welding method for novel battery module copper bar connecting piece |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105958004B (en) | 2019-03-01 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20200624 Address after: Room 201, unit 2, No. 1, Gongshan 2nd Road, Xixi, Liaobu Town, Dongguan City, Guangdong Province Patentee after: Guangdong Laike Power Technology Co., Ltd Address before: 523808 Guangdong city of Dongguan province small science and technology enterprises in northern industrial city Songshan Lake high tech Industrial Development Zone Park thirteenth 2 storey building Patentee before: GUANGDONG SONGHU POWER TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |