CN107394093A - Battery core connection strap, battery connecting construction and battery combination - Google Patents
Battery core connection strap, battery connecting construction and battery combination Download PDFInfo
- Publication number
- CN107394093A CN107394093A CN201710607573.4A CN201710607573A CN107394093A CN 107394093 A CN107394093 A CN 107394093A CN 201710607573 A CN201710607573 A CN 201710607573A CN 107394093 A CN107394093 A CN 107394093A
- Authority
- CN
- China
- Prior art keywords
- battery core
- battery
- connection strap
- weld part
- connecting construction
- 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
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
-
- 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
- H01M50/514—Methods for interconnecting adjacent batteries or cells
- H01M50/516—Methods for interconnecting adjacent batteries or cells by welding, soldering or brazing
-
- 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)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The present invention discloses a kind of battery core connection strap, battery connecting construction and battery combination.The battery core connection strap includes the first battery core weld part, conductive connection part and the second battery core weld part, and one end of the conductive connection part is connected with the first battery core weld part, and the other end of the conductive connection part is connected with the second battery core weld part.The present invention connects two battery cores using a battery core connection strap, thus can according to the more convenient combination battery core of required capacity quantity or battery core quantity is adjusted, and can make between battery core combine more smooth and it is close.Because the number of welding reduces, accordingly reduce internal resistance, avoid because welding times cause heating to cause potential safety hazard too much, combine in the prior art battery core quantity it is relatively limited the problem of.
Description
Technical field
The present invention relates to cell art, in particular to a kind of battery core connection strap, battery connecting construction and battery
Combination.
Background technology
In the big soft-package battery of stored energy power, the mode of generally use multiple battery cores in parallel lifts battery capacity.This is in new energy
Very universal in the industry of source, this mode relates to the welding manner that battery core is in parallel in big soft-package battery.But existing skill
Out-of-flatness be present during the multiple battery cores of combined battery internal parallel in art, welding times cause heating to cause safety hidden too much
Suffer from, and the problem of battery core quantity is relatively limited.
The content of the invention
A kind of battery core connection strap, battery connecting construction and battery combination are provided in the embodiment of the present invention, to solve existing skill
Out-of-flatness during combined battery internal parallel multiple battery cores in art, welding times cause heating to cause potential safety hazard too much, and
The problem of battery core quantity is relatively limited.
To achieve the above object, the embodiment of the present invention provides a kind of battery core connection strap, including the first battery core weld part, conduction
Connecting portion and the second battery core weld part, one end of the conductive connection part are connected with the first battery core weld part, the conduction
The other end of connecting portion is connected with the second battery core weld part.
Preferably, the width of the conductive connection part is less than or equal to the width of the first battery core weld part and described
The width of first battery core weld part.
Present invention also offers a kind of battery connecting construction, including above-mentioned battery core connection strap.
Preferably, the battery connecting construction includes multiple battery cores set gradually, between the two neighboring battery core
Connected by a battery core connection strap, the first battery core weld part of this battery core connection strap and the two neighboring institute
State the battery core connection in battery core, the second battery core weld part of this battery core connection strap and the two neighboring electricity
Another battery core connection in core.
Preferably, in the first battery core weld part of this battery core connection strap and the two neighboring battery core
The metal sky paper tinsel connection of one battery core, the second battery core weld part of this battery core connection strap and the two neighboring electricity
The metal sky paper tinsel connection of another battery core in core.
Preferably, each battery core includes the first side and the second side, the first battery core weld part adjacent with this two
The metal sky paper tinsel connection of first side of a battery core in the individual battery core, the second battery core weld part and the two neighboring institute
State the metal sky paper tinsel connection of the second side of another battery core in battery core.
Preferably, this battery core connection strap is arranged between the two neighboring battery core.
Preferably, the battery connecting construction also includes lug, the lug is led with battery core connection strap
Electrical connection section connects.
Preferably, the lug is Soft Roll lug.
Preferably, the lug uses the battery core connection strap described in claim 1, and the battery core as the lug connects
The width of the conductive connection part of narrow bars is equal to the width of the first battery core weld part and the width of the first battery core weld part.
Connected present invention also offers a kind of battery combination, including above-mentioned battery core connection strap, or including above-mentioned battery
Structure.
The present invention connects two battery cores using a battery core connection strap, thus can be according to required capacity more
The quantity of convenient combination battery core is adjusted to battery core quantity, and can make between battery core combine more smooth and it is tight
It is close.Because the number of welding reduces, internal resistance is accordingly reduced, is avoided in the prior art because welding times are led too much
Cause heating to cause potential safety hazard, combine battery core quantity it is relatively limited the problem of.
Brief description of the drawings
Fig. 1 is the schematic diagram of the battery core connection strap in first embodiment of the invention；
Fig. 2 is the schematic diagram of the battery core connection strap in second embodiment of the invention；
Fig. 3 is the schematic diagram of the Soft Roll lug of the embodiment of the present invention；
Fig. 4 is the battery core connection strap of the embodiment of the present invention and the connection diagram of lug；
The schematic diagram of battery connecting construction when Fig. 5 is two battery cores of the embodiment of the present invention；
The schematic diagram of battery connecting construction when Fig. 6 is the soft-package battery of the embodiment of the present invention during four battery cores；
The side view of battery connecting construction when Fig. 7 is four battery cores of the embodiment of the present invention；
The top view of battery connecting construction when Fig. 8 is four battery cores of the embodiment of the present invention；
The schematic diagram of battery connecting construction when Fig. 9 is the Hard Roll battery of the embodiment of the present invention.
Description of reference numerals：1st, the first battery core weld part；2nd, conductive connection part；3rd, the second battery core weld part；4th, battery core；5、
Lug；6th, white glue；7th, metal sky paper tinsel；8th, battery core connection strap.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but not as the limit to the present invention
It is fixed.
The embodiment of the present invention provides a kind of battery core connection strap, including the first battery core weld part 1, conductive connection part 2 and second
Battery core weld part 3, one end of the conductive connection part 2 are connected with the first battery core weld part 1, the conductive connection part 2
The other end is connected with the second battery core weld part 3.Battery core connection strap can be formed as laminated structure.
Preferably, the width of the conductive connection part 2 is less than (such as Fig. 1) or equal to (such as Fig. 2) the first battery core welding
The width of the width in portion 1 and the first battery core weld part 1.Wherein, the first battery core weld part 1, the electricity of conductive connection part 2, second
The length and width of core weld part 3 can adjust according to the specific size of battery core of reality.
Fig. 5 is refer to, in use, can be connected between two battery cores 4 by the battery core connection strap shown in a Fig. 1 or Fig. 2,
Wherein, the first battery core weld part 1 is connected with the left side of the metal sky paper tinsel 7 of a battery core 4, the second battery core weld part 3 and another
The right side connection of the metal sky paper tinsel 7 of battery core 4, so as to which two battery cores 4 be connected.Then, can be by lug 5 and battery core connection strap
Conductive connection part 2 connect.
Battery two battery cores in parallel, conductive connection part 2 can be disclosure satisfy that using the battery core connection strap of said structure simultaneously
The section electric current of work, the zonule welding of the first battery core weld part 1, conductive connection part 2 can ensure later stage battery core electrolyte
The smoothness of infiltration.Conductive connection part 2 is the relatively large wire of sectional area or strip metal bar, adds flexibility, such
Design method facilitates battery core to be operated in welding, and ensures the planarization after battery core combination.
In the above-mentioned technical solutions, the present invention connects two battery cores using a battery core connection strap, thus can
According to the more convenient quantity for combining battery core of required capacity or battery core quantity is adjusted, and the group between battery core can be made
Close more smooth and close.Because the number of welding reduces, accordingly reduce internal resistance, avoid in the prior art by
Cause heating to cause potential safety hazard too much in welding times, combine battery core quantity it is relatively limited the problem of.
Present invention also offers a kind of battery connecting construction, including above-mentioned battery core connection strap.
Preferably, the battery connecting construction includes multiple battery cores 4 set gradually, between the two neighboring battery core 4
Connected by a battery core connection strap 8, the first battery core weld part 1 adjacent with this two of this battery core connection strap 8
A battery core 4 in the individual battery core 4 connects, the second battery core weld part 3 adjacent with this two of this battery core connection strap
Another battery core 4 in the individual battery core 4 connects.For example, in the embodiment shown in fig. 5, two battery cores 4 are employed, in Fig. 6
In the embodiment shown in Fig. 9, then four battery cores 4 are employed.
Preferably, in the first battery core weld part 1 and the two neighboring battery core 4 of this battery core connection strap
The metal sky paper tinsel connection of one battery core 4, the second battery core weld part 3 of this battery core connection strap are two neighboring described with this
The metal sky paper tinsel connection of another battery core 4 in battery core 4.
Preferably, each battery core 4 includes the first side and the second side, the first battery core weld part 1 adjacent with this two
The metal sky paper tinsel connection of first side of a battery core 4 in the individual battery core 4, the second battery core weld part 3 adjacent with this two
The metal sky paper tinsel connection of second side of another battery core 4 in the individual battery core 4.
Preferably, this battery core connection strap is arranged between the two neighboring battery core 4.Battery core connection strap
Relative metal sky paper tinsel 7 of the end respectively with two battery cores 4 welds, so as to improve flatness.
Preferably, the battery connecting construction also includes lug 5, and the lug 5 is led with battery core connection strap
Electrical connection section 2 connects.Lug 5 can include white glue 6, be encapsulated for the later stage of soft-package battery.Fig. 3 shows a kind of big Soft Roll
The lug 5 of battery, positive pole typically use aluminium, the copper of negative pole nickel plating, using the white glue 6 of bilayer, it is preferred that refer to figure
6, for soft-package battery, the lug 5 is Soft Roll lug.
Fig. 9 is refer to, for Hard Roll battery, it is preferable that the lug 5 uses above-mentioned battery core connection strap, and uses
The width for making the conductive connection part 2 of the battery core connection strap of the lug 5 is equal to the width of the first battery core weld part 1 and described
The width of first battery core weld part 1.Now, conductive connection part 2 has larger intensity, can be used as lug use.
It refer to Fig. 4, when battery core connection strap and lug 5, be welded on the width of lug 5 in battery core connection strap
Between, it is ensured that the uniformity of electric current and do not cause local pyrexia.
Connected present invention also offers a kind of battery combination, including above-mentioned battery core connection strap, or including above-mentioned battery
Structure.
When battery core combination uses this structure, two battery cores 4 use same battery core connection strap make it that electronics is more efficient
Collect, ensure parallel connection the operation of each battery core 4 uniformity, flatness, less caloric value.
Certainly, above is the preferred embodiment of the present invention.It should be pointed out that for those skilled in the art
For, on the premise of its general principles are not departed from, some improvements and modifications can also be made, these improvements and modifications
It is considered as protection scope of the present invention.
Claims (11)
1. a kind of battery core connection strap, it is characterised in that including the first battery core weld part (1), conductive connection part (2) and the second battery core
Weld part (3), one end of the conductive connection part (2) are connected with the first battery core weld part (1), the conductive connection part
(2) the other end is connected with the second battery core weld part (3).
2. battery core connection strap according to claim 1, it is characterised in that the width of the conductive connection part (2) be less than or
Equal to the width of the first battery core weld part (1) and the width of the first battery core weld part (1).
3. a kind of battery connecting construction, it is characterised in that including the battery core connection strap described in claim 1.
4. battery connecting construction according to claim 3, it is characterised in that the battery connecting construction include it is multiple successively
The battery core (4) of setting, pass through a battery core connection strap between the two neighboring battery core (4) and connect, the electricity
First battery core weld part (1) of core connection strap is connected with a battery core (4) in the two neighboring battery core (4), this
Second battery core weld part (3) of the battery core connection strap connects with another battery core (4) in the two neighboring battery core (4)
Connect.
5. battery connecting construction according to claim 4, it is characterised in that the first electricity of this battery core connection strap
Core weld part (1) is connected with the metal sky paper tinsel of a battery core (4) in the two neighboring battery core (4), the electricity
Second battery core weld part (3) of core connection strap and the metal sky paper tinsel of another battery core (4) in the two neighboring battery core (4)
Connection.
6. battery connecting construction according to claim 5, it is characterised in that each battery core (4) include the first side and
Second side, the first battery core weld part (1) and the first side of a battery core (4) in the two neighboring battery core (4)
Metal sky paper tinsel connects, the second battery core weld part (3) and another battery core (4) in the two neighboring battery core (4)
The metal sky paper tinsel connection of second side.
7. battery connecting construction according to claim 5, it is characterised in that this battery core connection strap is arranged on this
Between the two neighboring battery core (4).
8. battery connecting construction according to claim 4, it is characterised in that the battery connecting construction also includes lug
(5), the lug (5) is connected with the conductive connection part (2) of a battery core connection strap.
9. battery connecting construction according to claim 8, it is characterised in that the lug (5) is Soft Roll lug.
10. battery connecting construction according to claim 8, it is characterised in that the lug (5) uses claim 1 institute
The battery core connection strap stated, and the width of the conductive connection part (2) of the battery core connection strap as the lug (5) is equal to described first
The width of battery core weld part (1) and the width of the first battery core weld part (1).
A kind of 11. battery combination, it is characterised in that including the battery core connection strap described in claim 1 or 2, or will including right
Seek the battery connecting construction described in optional one in 3 to 10.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710607573.4A CN107394093B (en) | 2017-07-24 | 2017-07-24 | Battery core connecting strip, battery connecting structure and battery combination |
| PCT/CN2018/096638 WO2019019967A1 (en) | 2017-07-24 | 2018-07-23 | Battery cell connecting strip, battery connection structure and battery combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710607573.4A CN107394093B (en) | 2017-07-24 | 2017-07-24 | Battery core connecting strip, battery connecting structure and battery combination |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107394093A true CN107394093A (en) | 2017-11-24 |
| CN107394093B CN107394093B (en) | 2021-03-12 |
Family
ID=60336256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710607573.4A Active CN107394093B (en) | 2017-07-24 | 2017-07-24 | Battery core connecting strip, battery connecting structure and battery combination |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107394093B (en) |
| WO (1) | WO2019019967A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019019967A1 (en) * | 2017-07-24 | 2019-01-31 | 格力电器（武汉）有限公司 | Battery cell connecting strip, battery connection structure and battery combination |
| CN113675543A (en) * | 2021-08-09 | 2021-11-19 | 东莞新能安科技有限公司 | Battery cell, battery pack and electric equipment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114552061A (en) * | 2022-02-22 | 2022-05-27 | 上海奥威科技开发有限公司 | Soft-packaged cell unit and supercapacitor thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201146250Y (en) * | 2007-12-25 | 2008-11-05 | 比亚迪股份有限公司 | Piece for connecting battery module |
| CN103098260A (en) * | 2010-07-01 | 2013-05-08 | 罗伯特·博世有限公司 | Battery cell connector, method for producing a battery cell connector, battery, battery system, and motor vehicle |
| CN103633277A (en) * | 2012-08-24 | 2014-03-12 | 罗伯特·博世有限公司 | Cell connecting piece, battery cell module and manufacturing method thereof, battery and vehicle motor |
| CN105977440A (en) * | 2016-07-06 | 2016-09-28 | 厦门宝龙新能源发展有限公司 | Positive and negative electrode lug connection structure for multi-cell group of flexible-package polymer Li-ion battery |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207134414U (en) * | 2017-07-24 | 2018-03-23 | 珠海格力电器股份有限公司 | Battery core connection strap, battery connecting construction and battery combination |
| CN107394093B (en) * | 2017-07-24 | 2021-03-12 | 珠海格力电器股份有限公司 | Battery core connecting strip, battery connecting structure and battery combination |
-
2017
- 2017-07-24 CN CN201710607573.4A patent/CN107394093B/en active Active
-
2018
- 2018-07-23 WO PCT/CN2018/096638 patent/WO2019019967A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201146250Y (en) * | 2007-12-25 | 2008-11-05 | 比亚迪股份有限公司 | Piece for connecting battery module |
| CN103098260A (en) * | 2010-07-01 | 2013-05-08 | 罗伯特·博世有限公司 | Battery cell connector, method for producing a battery cell connector, battery, battery system, and motor vehicle |
| CN103633277A (en) * | 2012-08-24 | 2014-03-12 | 罗伯特·博世有限公司 | Cell connecting piece, battery cell module and manufacturing method thereof, battery and vehicle motor |
| CN105977440A (en) * | 2016-07-06 | 2016-09-28 | 厦门宝龙新能源发展有限公司 | Positive and negative electrode lug connection structure for multi-cell group of flexible-package polymer Li-ion battery |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019019967A1 (en) * | 2017-07-24 | 2019-01-31 | 格力电器（武汉）有限公司 | Battery cell connecting strip, battery connection structure and battery combination |
| CN113675543A (en) * | 2021-08-09 | 2021-11-19 | 东莞新能安科技有限公司 | Battery cell, battery pack and electric equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019019967A1 (en) | 2019-01-31 |
| CN107394093B (en) | 2021-03-12 |
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