CN205583030U - A electrode slice and group battery for group battery is connected - Google Patents
A electrode slice and group battery for group battery is connected Download PDFInfo
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- CN205583030U CN205583030U CN201620417009.7U CN201620417009U CN205583030U CN 205583030 U CN205583030 U CN 205583030U CN 201620417009 U CN201620417009 U CN 201620417009U CN 205583030 U CN205583030 U CN 205583030U
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- collector plate
- electrode slice
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- connecting portion
- battery
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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
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Abstract
The utility model provides an electrode slice and group battery for group battery is connected for the electrode slice that the group battery is connected is used for connecting battery monomer and current collector, the electrode slice includes battery connecting portion, current collector connecting portion and fuse part. Be provided with the welding diffluence pass on battery connecting portion and the current collector connecting portion, in battery monomer and electrode slice, electrode slice and current collector's welding process, the welding diffluence pass of seting up can increase the impedance of welding point, makes the intensity of welding point bigger, welds more firmly, and the connection between messenger's battery monomer, electrode slice and the current collector is more stable, also can not take place to drop under great exogenic action. And through setting up fuse part, when unusual big current discharge appeared in the battery monomer, fuse part can in time fuse, cuts off the free power supply of battery, realized the free overcurrent protection of battery, guaranteed the safety of whole group battery. The utility model also provides a group battery including above -mentioned electrode slice.
Description
Technical field
This utility model relates to battery attachment apparatus field, uses in particular to one
Electrode slice and set of cells in set of cells connection.
Background technology
At present, in New-energy electric vehicle industry, owing to lithium battery has environmental pollution
Little, noiselessness, energy advantages of higher, be used as the power source of new-energy automobile, and it is main
Operation principle is to provide electric energy by lithium battery group to motor, drives motor operation, from
And promote automobile to advance.The composing method of lithium battery group is to carry out going here and there also by multiple battery cells
Joint group becomes specific jumbo set of cells, to be reached for the requirement that electric automobile is powered, Duo Ge electricity
By electrode slice, the electrode of battery is welded with collector plate between the monomer of pond, it is achieved battery
The connection in series-parallel of monomer.
Inventor finds, vehicle in the process of moving can be through various road conditions, and traveling causes
Vibrations of jolting can be delivered in set of cells, if the connection of set of cells is insecure, long-term
In driving process, in fact it could happen that set of cells welding position connects situation about coming off, to set of cells
Work bring adverse effect, cause potential safety hazard to the traveling of automobile.
Utility model content
In view of this, the purpose of this utility model is that providing a kind of connects for set of cells
The electrode slice connect, can solve the problems referred to above.
To achieve these goals, this utility model embodiment is by the following technical programs
Realize:
A kind of electrode slice connected for set of cells, for connecting single batteries and collector plate,
Described electrode slice includes battery connection part, collector plate connecting portion and fuse part, wherein:
Described battery connection part is connected by described fuse part with collector plate connecting portion, described fuse part
In curve form, described fuse part fuses when described battery cell crosses stream；
The lower surface of described battery connection part is connected with the electrode of described battery cell；
The upper surface of described collector plate connecting portion is connected with the lower surface of described collector plate；
Offering at least one welding diffluence pass in described battery connection part, described collector plate is even
Connect and in portion, offer at least one welding diffluence pass.
Preferably, described welding diffluence pass is the weldering in battery connection part described in through hole or opening
Connecing diffluence pass is through hole.
Preferably, the welding diffluence pass in described collector plate is opening.
Preferably, the cross-sectional area of described fuse part is less than described battery connection part or afflux
The cross-sectional area of plate connecting portion.
Preferably, described fuse part is along the direction being perpendicular to described battery connection part place plane
Bending.
Present invention also provides a kind of set of cells, including battery cell, collector plate and electrode slice,
Described battery cell is connected with described collector plate by described electrode slice, described electrode slice bag
Include battery connection part, collector plate connecting portion and fuse part, wherein:
Described battery connection part is connected by described fuse part with collector plate connecting portion；
The lower surface of described battery connection part is connected with the electrode of described battery cell；
The upper surface of described collector plate connecting portion is connected with the lower surface of described collector plate；
Offering at least one welding diffluence pass in described battery connection part, described collector plate is even
Connect and in portion, offer at least one welding diffluence pass.
Preferably, described welding diffluence pass is the weldering in battery connection part described in through hole or opening
Connecing diffluence pass is through hole.
Preferably, the welding diffluence pass in described collector plate is opening.
Preferably, the cross-sectional area of described fuse part is less than described battery connection part or collector plate
The cross-sectional area of connecting portion.
Preferably, described fuse part is along the direction being perpendicular to described battery connection part place plane
Bending.
In the embodiment of the present application, electrode slice includes battery connection part, fuse part and collector plate
Connecting portion, can be coupled together multiple battery cells and collector plate by electrode slice and form electricity
Pond group.It is provided with welding diffluence pass, at battery list in battery connection part and collector plate connecting portion
Body is with electrode slice, the electrode slice welding process with collector plate, and the welding diffluence pass offered can
To increase the impedance of pad, the intensity making pad is bigger, and welding is more firm, makes battery
Connection between monomer, electrode slice and collector plate is more stable, under bigger External Force Acting the most not
Can fall off.And by arranging fuse part, occur that abnormal big electric current is put at battery cell
During electricity, fuse part can fuse in time, cuts off the power supply of battery cell, it is achieved to battery list
The overcurrent protection of body, it is ensured that the safety of whole set of cells.
Accompanying drawing explanation
For the technical scheme of clearer explanation this utility model embodiment, below right
Embodiment need the accompanying drawing used be briefly described.Should be appreciated that the following drawings is only
Show some embodiment of the present utility model, be not construed as this practicality new
The restriction of type scope.To those skilled in the art, creative labor is not being paid
In the case of Dong, it is possible to obtain other accompanying drawings according to these accompanying drawings.
The electrode slice that Fig. 1 provides for this utility model embodiment and battery cell, afflux
The overall schematic of plate.
The structural representation of the electrode slice that Fig. 2 provides for this utility model embodiment.
The electrode slice that Fig. 3 provides for this utility model embodiment look up structural representation
Figure.
The side-looking structural representation of the electrode slice that Fig. 4 provides for this utility model embodiment
Figure.
The plan structure signal of the electrode slice that Fig. 5 provides for this utility model embodiment
Figure.
The side-looking structural representation of the electrode slice that Fig. 6 provides for this utility model embodiment
Figure.
The structural representation of the electrode group that Fig. 7 provides for this utility model embodiment.
Main components label collects:
Electrode slice 100；
Battery cell 200；
Collector plate 300；
Battery connection part 101；
Collector plate connecting portion 102；
Fuse part 103；
Welding diffluence pass 104.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, under
Technical scheme in this utility model embodiment will be carried out clear, complete in conjunction with accompanying drawing by face
Description.Obviously, described embodiment is a unit embodiment of the present utility model, and
It is not all, of embodiment.
Therefore, detailed description to embodiment of the present utility model is not intended to limit and wants below
Seek the scope of the present utility model of protection, but be merely representative of parts of the present utility model and implement
Example.Based on the embodiment in this utility model, those of ordinary skill in the art are not making
The every other embodiment obtained under creative work premise, broadly falls into this utility model and protects
The scope protected.
It should be noted that in the case of not conflicting, embodiment in this utility model and
Feature in embodiment can be mutually combined.
It should also be noted that similar label and letter represent similar terms in following accompanying drawing, because of
This, be defined in the most a certain Xiang Yi accompanying drawing, then it is right to need not in accompanying drawing subsequently
It defines further and explains.
In description of the present utility model, it should be noted that term " on ", D score
It is based on orientation shown in the drawings or position relationship in the orientation indicated or position relationship, or
It is the orientation or position relationship usually put during the use of this utility model product, or ability
Orientation that field technique personnel usually understand or position relationship, this kind of term is for only for ease of to be retouched
State this utility model and simplify description rather than instruction or imply that the device of indication or element must
Must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that right
Restriction of the present utility model.Additionally, term " first ", " second " etc. are only used for distinguishing
Describe, and it is not intended that indicate or hint relative importance.
In set of cells, electrode slice is as the important company between connecting single batteries and collector plate
Relay part, plays a part to be pooled in collector plate the electric current on battery cell.Manufacturing
During, electrode slice is separate with battery cell and collector plate, needs electrode slice
Two ends be welded in electrode and the collector plate of battery cell, could realize between three
Connection.The connection end of electrode slice of the prior art is a complete plane, such
Structure, in connection procedure, is capable of electrode slice, battery cell and collector plate by welding
Connection between three.Inventor finds, such connected mode is in the use often jolted
In environment, it is susceptible to the situation that welding position disconnects, causes to the normal work of set of cells
Impact.
In view of this, the embodiment of the present application provides a kind of electrode slice connected for set of cells
100, for connecting single batteries 200 and collector plate 300, as it is shown in figure 1, each electrode
One battery cell 200 can be connected in collector plate 300 by sheet 100.Such as Fig. 2 to Fig. 6
Shown in, described electrode slice 100 includes: battery connection part 101, collector plate connecting portion 102 and
Fuse part 103.
Described battery connection part 101 and collector plate connecting portion 102 are by described fuse part 103
It is connected, the lower surface of described battery connection part 101 and the electrode of described battery cell 200
It is connected.The upper surface of described collector plate connecting portion 102 and the lower end of described collector plate 300
Face is connected, and described battery connection part 101 offers welding diffluence pass 104；Described afflux
Offering welding diffluence pass 104 on plate connecting portion 102, described welding diffluence pass 104 is for along institute
State the opening that collector plate connecting portion 102 place plane extends.
Dynamo-sheet in the embodiment of the present application mainly includes that battery connection part 101, collector plate connect
Portion 102 and fuse part 103 3 part composition, battery connection part 101 is used for and battery cell
The electrode of 200 is connected, and collector plate connecting portion 102 is connected with collector plate 300, thus
Battery cell 200 and collector plate 300 are linked to be an entirety so that on battery cell 200
Electric current can by the battery connection part 101 on dynamo-sheet, fuse part 103 and collector plate even
Meet portion 102 to be flowed in collector plate 300, complete collecting of multiple battery cell 200 electric current.
In the embodiment of the present application, battery connection part 101 offers welding diffluence pass 104,
During the electrode welding of battery connection part 101 with battery cell 200 is got up, by
Existence in this welding diffluence pass 104 so that the impedance of welding position increases, welding current
Strengthening, the firm welding degree between battery connection part 101 and electrode will be strengthened,
Make soldering reliability higher.Welding diffluence pass 104 in battery connection part 101 can set
It is set to the form of through hole, makes the center of this through hole match with electrode, facilitate weld job.
It addition, be also equipped with welding diffluence pass 104, with battery on collector plate connecting portion 102
The function of the welding diffluence pass 104 arranged on connecting portion 101 is identical, by electrode slice 100
It is welded and fixed in operation process with collector plate 300, by arranging welding diffluence pass 104 so that
The impedance of pad increases, and weld strength is higher.Welding diffluence pass 104 concrete shape,
The design parameters such as aperture position, bearing of trend, size can be adjusted according to actually used.
The application does not limit the concrete shape parameter of described welding diffluence pass 104.As it can be seen,
The welding diffluence pass 104 of battery connection part 101 in electrode slice 100 in the embodiment of the present application
It is arranged to elongated through hole, by the welding diffluence pass 104 on collector plate connecting portion 102
It is shaped to the shape that arc combines with strip.
Further, in the embodiment of the present application, connect at collector plate connecting portion 102 and battery
Connecing and be additionally provided with fuse part 103 between portion 101, the cross-sectional area of fuse part 103 is less than two
The cross-sectional area of the connecting portion of side, when electric current reaches certain numerical value, fuse part 103
Temperature rises, and reaches the fusing point of fuse part 103, then fuse part 103 will fuse, and cuts off
Connection between battery cell 200 and data board, plays the effect of current protection.Set of cells
Can generate big electric current in some extreme environments, excessive electric current can make battery cell 200 produce
Raw too much heat, if cutting off the electric current output of battery cell 200 not in time, crosses frequent fever
The accumulation of amount can cause set of cells abnormal high temperature, situation burning occur, even exploding, and gives
The person and the property safety of exposed population group bring danger.By arranging fuse part 103, fuse part
103 can use low-melting metal, make such as aluminum etc., it is possible to the moment crossing stream fuses with reality
The now overcurrent protection to battery cell 200.
Further, described fuse part 103 is along being perpendicular to described battery connection part 101 institute
Bend in the direction of plane.Fuse part 103 is by battery connection part 101 and collector plate connecting portion
102 couple together, and by being arranged to the shape of bending, are formed U-shaped so that it is have one
Fixed deformability.By above-mentioned arrange welding diffluence pass 104 by the way of in set of cells manufacture
During add weld strength, improve soldering reliability, fuse part 103 be arranged to
Curved shape, during electric automobile during traveling, is absorbed by the fuse part 103 of bending and passes
The vibrations being delivered in set of cells, are further ensured that between battery cell 200 and collector plate 300
The reliability connected.
Preferably, described electrode slice 100 structure can use aluminum, nickel or copper material.Described electricity
Pole piece 100 is by laser welding, ultrasonic bonding or resistance welding technology and described battery
Monomer 200 is connected.Electrode slice 100 can use blanker's technique manufacture of maturation, becomes
This is low, and concordance is good.
In the embodiment of the present application, electrode slice 100 includes battery connection part 101, fuse part
103 and collector plate connecting portion 102, can be by multiple battery cells 200 by electrode slice 100
Composition set of cells is coupled together with collector plate 300.Battery connection part 101 and collector plate connect
Welding diffluence pass 104 it is provided with, at battery cell 200 and electrode slice 100, electricity in portion 102
Pole piece 100 is with the welding process of collector plate 300, and the welding diffluence pass 104 offered is permissible
Increasing the impedance of pad, the intensity making pad is bigger, and welding is more firm, makes battery list
Connection between body 200, electrode slice 100 and collector plate 300 is more stable, at relatively big outer masterpiece
Also will not fall off under with.And by arranging fuse part 103, go out at battery cell 200
Now during abnormal heavy-current discharge, fuse part 103 can fuse in time, cuts off battery cell 200
Power supply, it is achieved the overcurrent protection to battery cell 200, it is ensured that the safety of whole set of cells.
The embodiment of the present application additionally provides a kind of set of cells, as it is shown in fig. 7, comprises multiple electricity
Pond monomer 200, collector plate 300 and electrode slice 100, described battery cell 200 is by described
Electrode slice 100 is connected with described collector plate 300, and described electrode slice 100 includes that battery is even
Connect portion 101, fuse part 103 and collector plate connecting portion 102；Described battery connection part 101
Lower surface is connected with the electrode of described battery cell 200；Described collector plate connecting portion 102
Upper surface be connected with the lower surface of described collector plate 300；Described battery connection part 101
On offer welding diffluence pass 104；Welding shunting is offered on described collector plate connecting portion 102
Mouth 104, described diffluence pass is the opening extended along described collector plate connecting portion 102 place plane.
Welding diffluence pass 104 in described battery connection part 101 is through hole；Described collector plate
Welding diffluence pass 104 on 300 is opening.The cross-sectional area of described fuse part 103 is less than institute
State battery connection part 101 or the cross-sectional area of collector plate connecting portion 102.Described fuse part 103
To near the bending of the direction of described collector plate 300.
The set of cells employing above-mentioned electrode slice 100 that the embodiment of the present application provides is as battery cell
Attachment structure between 200 and collector plate 300, electrode slice 100 offers welding diffluence pass
104, during the welding manufacture of set of cells, make soldering reliability higher, pad is more firm
Gu, in the working environment jolted, the junction of electrode slice 100 also will not disconnect easily,
The anti-seismic performance making set of cells is more preferable, the most higher to the adaptation ability of different operating environment.
By arranging fuse part 103, when abnormal big electric current occurs in battery cell 200, it is possible to
Fusing in time, cuts off the electric current output of battery cell 200, it is achieved set of cells is crossed stream and protects
Protect.And fuse part 103 can be arranged to the shape of bending, it is possible to by the deformation of self
Absorb the vibrations being delivered in set of cells, it is ensured that between battery cell 200 and collector plate 300
Connection more stable so that electrode slice 100 and the junction point of battery electrode, electrode slice 100
Will not disconnect easily with the junction point of collector plate 300, it is achieved flexible anti-shock connects, and makes battery
The security performance of group is more stable, it is ensured that use the general safety of the electric automobile of set of cells.
The foregoing is only unit embodiment of the present utility model, be not limited to this
Utility model, to those skilled in the art, this utility model can have various change
And change.All within spirit of the present utility model and principle, any amendment of being made, etc.
With replacement, improvement etc., within should be included in protection domain of the present utility model.
Claims (10)
1. one kind for set of cells connect electrode slice, it is characterised in that for connecting single batteries with
Collector plate, described electrode slice includes battery connection part, collector plate connecting portion and fuse part, wherein:
Described battery connection part is connected by described fuse part with collector plate connecting portion, described fuse part
In curve form, described fuse part fuses when described battery cell crosses stream；
The lower surface of described battery connection part is connected with the electrode of described battery cell；
The upper surface of described collector plate connecting portion is connected with the lower surface of described collector plate；
At least one welding diffluence pass is offered, on described collector plate connecting portion in described battery connection part
Offer at least one welding diffluence pass.
The electrode slice connected for set of cells the most according to claim 1, it is characterised in that institute
Stating welding diffluence pass is through hole or opening, and the welding diffluence pass in described battery connection part is through hole.
The electrode slice connected for set of cells the most according to claim 2, it is characterised in that institute
Stating the welding diffluence pass in collector plate is opening.
The electrode slice connected for set of cells the most according to claim 1, it is characterised in that institute
State the cross-sectional area of fuse part less than described battery connection part or the cross section face of collector plate connecting portion
Long-pending.
The electrode slice connected for set of cells the most according to claim 1, it is characterised in that institute
State fuse part along the direction bending being perpendicular to described battery connection part place plane.
6. a set of cells, it is characterised in that include battery cell, collector plate and electrode slice, described
Battery cell is connected with described collector plate by described electrode slice, and described electrode slice includes that battery connects
Portion, collector plate connecting portion and fuse part, wherein:
Described battery connection part is connected by described fuse part with collector plate connecting portion；
The lower surface of described battery connection part is connected with the electrode of described battery cell；
The upper surface of described collector plate connecting portion is connected with the lower surface of described collector plate；
At least one welding diffluence pass is offered, on described collector plate connecting portion in described battery connection part
Offer at least one welding diffluence pass.
Set of cells the most according to claim 6, it is characterised in that described welding diffluence pass is logical
Welding diffluence pass in battery connection part described in hole or opening is through hole.
Set of cells the most according to claim 7, it is characterised in that the welding in described collector plate
Diffluence pass is opening.
Set of cells the most according to claim 6, it is characterised in that the cross section of described fuse part
Long-pending less than described battery connection part or the cross-sectional area of collector plate connecting portion.
Set of cells the most according to claim 6, it is characterised in that described fuse part is along vertical
Bend in the direction of described battery connection part place plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620417009.7U CN205583030U (en) | 2016-05-09 | 2016-05-09 | A electrode slice and group battery for group battery is connected |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620417009.7U CN205583030U (en) | 2016-05-09 | 2016-05-09 | A electrode slice and group battery for group battery is connected |
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| Publication Number | Publication Date |
|---|---|
| CN205583030U true CN205583030U (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620417009.7U Active CN205583030U (en) | 2016-05-09 | 2016-05-09 | A electrode slice and group battery for group battery is connected |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106784567A (en) * | 2017-01-18 | 2017-05-31 | 华霆（合肥）动力技术有限公司 | Prevent the power supply and electric power system of battery thermal runaway |
| JP2019029309A (en) * | 2017-08-03 | 2019-02-21 | 株式会社Ｇｓユアサ | Power storage device |
| CN110024170A (en) * | 2016-10-14 | 2019-07-16 | 伊奈维特有限责任公司 | Module between the battery module of energy-storage system is to modular power connector and its device |
| CN112310575A (en) * | 2020-04-03 | 2021-02-02 | 宁德时代新能源科技股份有限公司 | Battery module, battery pack, and device using secondary battery |
| CN112753129A (en) * | 2018-10-05 | 2021-05-04 | 株式会社杰士汤浅国际 | Electric storage element and method for manufacturing same |
| CN115172995A (en) * | 2022-06-22 | 2022-10-11 | 一汽解放汽车有限公司 | Battery and power consumption device |
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2016
- 2016-05-09 CN CN201620417009.7U patent/CN205583030U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110024170A (en) * | 2016-10-14 | 2019-07-16 | 伊奈维特有限责任公司 | Module between the battery module of energy-storage system is to modular power connector and its device |
| CN106784567A (en) * | 2017-01-18 | 2017-05-31 | 华霆（合肥）动力技术有限公司 | Prevent the power supply and electric power system of battery thermal runaway |
| CN106784567B (en) * | 2017-01-18 | 2024-03-12 | 华霆（合肥）动力技术有限公司 | Power supply and power supply system for preventing battery thermal runaway |
| JP2019029309A (en) * | 2017-08-03 | 2019-02-21 | 株式会社Ｇｓユアサ | Power storage device |
| CN112753129A (en) * | 2018-10-05 | 2021-05-04 | 株式会社杰士汤浅国际 | Electric storage element and method for manufacturing same |
| CN112310575A (en) * | 2020-04-03 | 2021-02-02 | 宁德时代新能源科技股份有限公司 | Battery module, battery pack, and device using secondary battery |
| CN112310575B (en) * | 2020-04-03 | 2022-11-29 | 宁德时代新能源科技股份有限公司 | Battery module, battery pack, and device using secondary battery |
| CN115172995A (en) * | 2022-06-22 | 2022-10-11 | 一汽解放汽车有限公司 | Battery and power consumption device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 230000 Anhui Hefei economic and Technological Development Zone, Xin Xin Road, No. 62 power battery factory Patentee after: Huating (Hefei) Power Technology Co., Ltd. Address before: 230000 No. 26, No. 5, Tsing Luen Road, Hefei economic and Technological Development Zone, Anhui Patentee before: Huating (Hefei) Power Technology Co., Ltd. |
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| CP02 | Change in the address of a patent holder |