CN209461558U - The direct welded type lithium battery group of electrode - Google Patents
The direct welded type lithium battery group of electrode Download PDFInfo
- Publication number
- CN209461558U CN209461558U CN201920210888.XU CN201920210888U CN209461558U CN 209461558 U CN209461558 U CN 209461558U CN 201920210888 U CN201920210888 U CN 201920210888U CN 209461558 U CN209461558 U CN 209461558U
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- Prior art keywords
- lithium battery
- electrode
- copper
- aluminium
- aluminium electrode
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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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a kind of direct welded type lithium battery groups of electrode, by more than two single lithium battery closed assemblies, are connected in series；Single lithium battery includes lithium battery body and is connected on lithium battery body as positive aluminium electrode, as the copper electrode of cathode；It is equipped with soldering paste between the aluminium electrode of adjacent monomer lithium battery, copper electrode, soldering paste is clipped in the middle, and is welded together.The utility model structure simplifies, and manufacturing cost is low, is connected firmly, can overload high current while avoiding connecting between lithium battery copper electrode and lithium battery aluminium electrode the galvano-cautery phenomenon of generation between each single lithium battery copper aluminium electrode, has smaller connection internal resistance.
Description
Technical field
The utility model relates to a kind of battery packs, and in particular to a kind of lithium battery group.
Background technique
With the development of battery technology especially lithium ion battery, the battery pack as composed by single lithium battery is as power supply
Power supply both can be used as motive-power battery, can also be used as accumulation energy type battery, be widely used in electric vehicle, energy storage electricity
It the fields such as stands.Single lithium battery just extremely aluminium flake, cathode are copper sheet.Single lithium battery is needed could group by concatenated mode
At battery pack.Existing lithium battery group by more than two single lithium battery closed assemblies, be connected in series, the aluminium of adjacent monomer lithium battery electricity
There are four types of modes for the connection of pole, copper electrode: one is Laser Welding or supersonic welding is used, since the welding of copper aluminium electrode belongs to xenogenesis
Metal welding, therefore welding difficulty, Laser Welding or supersonic welding pad internal resistance are big, and aluminium is easily crisp, it is difficult to overload high current, weld
It is poor to connect effect；Second is that turn soldering after nickel using aluminium pole, when soldering, can generate up to 350 DEG C of high temperature, the soldering time continue 15s with
On, since heat transfer can cause irreversible damage to battery battery core；Third is that there are rivetings for which using connection types such as rivetings
Illusive problem is connect, it is big to easily lead to junction internal resistance, it is difficult to overload high current；Fourth is that connecting in aluminium electrode, copper electrode equipped with aluminium
Junctor, copper connector, aluminium electrode and aluminium connector are welded to connect, and copper electrode and copper connector are welded to connect, then by aluminium connector,
The connection of copper connector, the major defect of this mode are: structure is complicated, and manufacturing cost is high, and junction internal resistance is big, it is difficult to overload
High current.
Summary of the invention
The utility model in view of the deficiencies of the prior art, proposes that a kind of structure simplifies, manufacturing cost is low, each single lithium battery
It is connected firmly between copper aluminium electrode, high current can be overloaded while avoiding connecting between lithium battery copper electrode and lithium battery aluminium electrode
The galvano-cautery phenomenon of generation, the direct welded type lithium battery group of electrode with smaller connection internal resistance.
The utility model is achieved through the following technical solutions technical goal.
The direct welded type lithium battery group of electrode, by more than two single lithium battery closed assemblies, is connected in series；The monomer lithium electricity
Pond includes lithium battery body and is connected on lithium battery body as positive aluminium electrode, as the copper electrode of cathode；Adjacent monomer lithium
The aluminium electrode of battery, copper electrode are welded to connect；It is theed improvement is that: the aluminium electrode of the adjacent monomer lithium battery, copper electrode
Between be equipped with soldering paste, soldering paste is clipped in the middle, and is welded together.
The utility model compared with prior art, has the positive effect that:
1, it is equipped with soldering paste between the aluminium electrode of adjacent monomer lithium battery, copper electrode, soldering paste is clipped in the middle, and is welded to connect
Together, the soldering paste of fusing, so that copper electrode, aluminium electrode are securely connected by soldering paste, in this way, the utility model structure simplifies,
Manufacturing cost is significantly reduced, the aluminium electrode of adjacent monomer lithium battery, copper electrode are connected firmly, can overload high current while avoid
The galvano-cautery phenomenon of generation is connected between lithium battery copper electrode, aluminium electrode, and there is lesser connection internal resistance.
2, the utility model is without folding up nickel alloy between the aluminium electrode of adjacent monomer lithium battery to be welded, copper electrode
Piece or nickel alloy item are just welded, it is only necessary to be coated soldering paste, be significantly reduced welding cost, also significantly simplify welding procedure.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is I enlarged schematic partial view in Fig. 1.
Fig. 3 is II enlarged schematic partial view in Fig. 1.
Specific embodiment
The utility model is described in further detail below according to attached drawing and in conjunction with the embodiments.
The direct welded type lithium battery group of electrode shown in the drawings, by more than two 1 closed assemblies of single lithium battery, is connected in series；
Single lithium battery 1 includes lithium battery body 1.1 and is connected on lithium battery body 1.1 as positive aluminium electrode 1.2, as cathode
Copper electrode 1.3；It is equipped with soldering paste between the aluminium electrode 1.2 of adjacent monomer lithium battery 1, copper electrode 1.3, soldering paste is clipped in the middle, and
It is welded together.
In the present embodiment, aluminium electrode 1.2, copper electrode 1.3 are parallel to lithium battery body 1.1, in other embodiments, aluminium electrode
1.2, copper electrode 1.3 is perpendicular to lithium battery body 1.1 or at an acute angle or obtuse angle.
Claims (1)
1. a kind of direct welded type lithium battery group of electrode, by more than two single lithium batteries (1) closed assembly, is connected in series；The list
Body lithium battery (1) includes lithium battery body (1.1) and is connected on lithium battery body (1.1) as positive aluminium electrode (1.2), conduct
The copper electrode (1.3) of cathode；The aluminium electrode (1.2) of adjacent monomer lithium battery (1), copper electrode (1.3) are welded to connect；Its feature exists
It is equipped with soldering paste between the aluminium electrode (1.2) of: the adjacent monomer lithium battery (1), copper electrode (1.3), soldering paste is clipped in the middle,
And it is welded together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920210888.XU CN209461558U (en) | 2019-02-19 | 2019-02-19 | The direct welded type lithium battery group of electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920210888.XU CN209461558U (en) | 2019-02-19 | 2019-02-19 | The direct welded type lithium battery group of electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209461558U true CN209461558U (en) | 2019-10-01 |
Family
ID=68046762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920210888.XU Active CN209461558U (en) | 2019-02-19 | 2019-02-19 | The direct welded type lithium battery group of electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209461558U (en) |
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2019
- 2019-02-19 CN CN201920210888.XU patent/CN209461558U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Jiangyan District of Jiangsu city in Taizhou province 225500 Luo Tong Street No. 999 West Road South Patentee after: Taizhou Tianke Power System Co., Ltd Address before: Jiangyan District of Jiangsu city in Taizhou province 225500 Luo Tong Street No. 999 West Road South Patentee before: TAIZHOU TIANKE ELECTRONIC TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |