CN207743316U - A kind of battery cathode collector welding structure - Google Patents
A kind of battery cathode collector welding structure Download PDFInfo
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- CN207743316U CN207743316U CN201721856997.6U CN201721856997U CN207743316U CN 207743316 U CN207743316 U CN 207743316U CN 201721856997 U CN201721856997 U CN 201721856997U CN 207743316 U CN207743316 U CN 207743316U
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- Prior art keywords
- copper
- pole
- welding
- pressure ring
- lug
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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
A kind of battery cathode collector welding structure, including lug and pole ontology, pole ontology are cylinder, and lug is placed on pole ontology external cylindrical surface, and lug outer surface is equipped with welding pressure ring, and pole material is copper, and lug material is copper, and welding pressure ring material is nickel.The utility model has the beneficial effects that, nickel, which is increased, in copper-base column and copper polar ear surface welds pressure ring, have the characteristics that the two factors of the solderability of dissimilar metal between easy weldability and metallic copper and metallic nickel using nickel, reflection problems of the metallic copper to laser are overcome, the welding for completing copper polar ear and copper-base column is exported using smaller power, groove is equipped on nickel welding pressure ring surface, reduce welding energy, the generation for reducing heat, improves production efficiency, reduces production cost.
Description
Technical field
The utility model belongs to battery technology field, more particularly, to a kind of battery cathode collector welding structure.
Background technology
With energy increasingly depleteds such as environmentally friendly cry grows to even greater heights, natural gas oil, new energy and the renewable sources of energy become two
The key subjects of eleventh century World Focusing, wherein new energy battery also attract attention.
It is to improve electric conductivity that copper, which has good electric conductivity, high-power battery, is designed to pole and lug come real using copper
Now it is electrically connected.Since copper is a kind of metal material being difficult to solder to, and heat-transfer rate is fast, how to use smaller power, overcomes
The reflection of copper itself, heat conduction problem complete the welding of copper-base column and copper polar ear, are existing technological difficulties at this stage.
Invention content
Problem to be solved in the utility model is to provide a kind of battery cathode collector welding structure；By introducing nickel welding
Pressure ring fixes copper polar ear and copper-base column, it can be achieved that output smaller power completes the welding of copper polar ear and copper-base column.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of battery cathode collector welding
Structure, including lug and pole ontology, the pole ontology are cylinder, and the lug is placed in the pole ontology external cylindrical surface
On, the lug outer surface is equipped with welding pressure ring, and the pole material is copper, and the lug material is copper, the welding pressure ring
Material is nickel, and the pole ontology is placed at base center, and pole ontology lower surface is contacted with the base upper surface, institute
It states and is equipped with open-work at base center, the pole body interior is equipped with cavity, the cavity and the open-work unicom.
Further, the pole ontology is equipped with electrolyte injecting hole, and the electrolyte injecting hole joins with the cavity
It is logical.
Further, the pole ontology is ladder-like.
Further, the electrolyte injecting hole is ball plug-hole.
Further, the welding pressure ring cylindrical surface is equipped with groove.
Further, the electrolyte injecting hole is placed in described this body side surface of pole or top surface.
Further, the groove is placed at the center on the welding pressure ring cylindrical surface, and the groove is one or more.
Further, the utility model provides a kind of battery, and the battery has above-mentioned current collector and bottom plate spoting knot
Structure.
The utility model has the advantages and positive effects of：
1, the utility model is simple in structure, ingenious in design, and using copper as pole and ear pole material, metallic copper has good
Electric conductivity, requirement of the battery to high-power output can be met.It is cavity structure by pole body design, reduces battery weight
Amount, improves the requirement of quality and energy ratio.Pole surface is equipped with electrolyte injecting hole, and electrolyte injecting hole joins with pole cavity
It is logical, realize the Multifunctional design that pole integrates conduction and fluid injection.
2, the utility model increases nickel in copper-base column and copper polar ear surface and welds pressure ring, has easy weldability using nickel
The two factors of the solderability of dissimilar metal between feature and metallic copper and metallic nickel overcome metallic copper and ask the reflection of laser
Topic exports the welding for completing copper polar ear and copper-base column using smaller power, is equipped with groove on nickel welding pressure ring surface, reduces weldering
Energy is connect, reduces the generation of heat, improves production efficiency, reduce production cost.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment
Fig. 2 is the A of the utility model embodiment to sectional view
Fig. 3 is the pole body construction schematic diagram of the utility model embodiment
Fig. 4 is the pole ontology sectional view of the utility model embodiment
Fig. 5 is the welding ring structure schematic diagram of the utility model embodiment
In figure：
1, pole ontology 2, lug 3, welding pressure ring
4, electrolyte injecting hole 5, pedestal 6, cavity
7, open-work 8, groove
Specific implementation mode
The utility model embodiment is described further below in conjunction with the accompanying drawings：
As shown in Figs. 1-2, a kind of battery cathode collector welding structure, including lug 2 and pole ontology 1, pole ontology 1
For cylinder, pole ontology 1 is ladder-like.Lug 2 is placed on 1 external cylindrical surface of pole ontology, and 2 outer surface of lug is equipped with welding and presses
Ring 3, pole ontology 1 and 2 material of lug are copper, and welding 3 material of pressure ring is nickel.
As shown in Figure 3-4, pole ontology 1 is placed at 5 center of pedestal, and 1 lower surface of pole ontology connects with 5 upper surface of pedestal
It touches, open-work 7 is equipped at 5 center of pedestal, pole ontology 1 is internally provided with cavity 6, cavity 6 and 7 unicom of open-work.It is set on pole ontology 1
There are electrolyte injecting hole 4, electrolyte injecting hole 4 and 6 unicom of cavity.Electrolyte injecting hole 4 is ball plug-hole.Electrolyte injecting hole
4 are placed in 1 side of pole ontology or top surface.
As shown in figure 5,3 cylindrical surface of welding pressure ring is equipped with groove 8.Groove 8 is placed in the center on 3 cylindrical surface of welding pressure ring
Place, groove 8 are one or more.
A kind of battery, battery have above-mentioned current collector and bottom plate spoting structure.
The utility model is the current collector and bottom plate spoting structure that copper-base column ontology 1 and copper polar ear 2 form, by copper-base column ontology
1 is designed as hollow structure, and copper-base column ontology 1 is equipped with electrolyte injecting hole 4 so that copper-base column ontology 1 collect simultaneously conduct electricity very well,
It is light-weight, multi-functional in one.After copper polar ear 2 is placed on 1 external cylindrical surface of copper-base column ontology, nickel welding pressure ring 3 is placed in most
Outer layer has the characteristics that the two factors of the solderability of dissimilar metal between easy weldability and metallic copper and metallic nickel using nickel,
Reflection problems of the metallic copper to laser are overcome, the welding for completing copper polar ear 2 and copper-base column ontology 1 is exported using smaller power,
It is equipped with groove 8 on 3 surface of nickel welding pressure ring, welding energy is reduced, reduces the generation of heat, improve production efficiency, drop
Low production cost.
The utility model has the advantages and positive effects of：
1, the utility model is simple in structure, ingenious in design, and using copper as pole and ear pole material, metallic copper has good
Electric conductivity, requirement of the battery to high-power output can be met.It is cavity structure by pole body design, reduces battery weight
Amount, improves the requirement of quality and energy ratio.Pole surface is equipped with electrolyte injecting hole, and electrolyte injecting hole joins with pole cavity
It is logical, realize the Multifunctional design that pole integrates conduction and fluid injection.
2, the utility model increases nickel in copper-base column and copper polar ear surface and welds pressure ring, has easy weldability using nickel
The two factors of the solderability of dissimilar metal between feature and metallic copper and metallic nickel overcome metallic copper and ask the reflection of laser
Topic exports the welding for completing copper polar ear and copper-base column using smaller power, is equipped with groove on nickel welding pressure ring surface, reduces weldering
Energy is connect, reduces the generation of heat, improves production efficiency, reduce production cost.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should all still belong within the patent covering scope of the utility model.
Claims (8)
1. a kind of battery cathode collector welding structure, including lug and pole ontology, it is characterised in that：The pole ontology is
Cylinder, the lug are placed on the pole ontology external cylindrical surface, and the lug outer surface is equipped with welding pressure ring, the pole
Material is copper, and the lug material is copper, and the welding pressure ring material is nickel, and the pole ontology is placed at base center, institute
It states pole ontology lower surface to contact with the base upper surface, open-work, the pole body interior is equipped at the base center
Equipped with cavity, the cavity and the open-work unicom.
2. a kind of battery cathode collector welding structure according to claim 1, it is characterised in that：On the pole ontology
Equipped with electrolyte injecting hole, the electrolyte injecting hole and the cavity unicom.
3. a kind of battery cathode collector welding structure according to claim 1 or 2, it is characterised in that：The pole sheet
Body is ladder-like.
4. a kind of battery cathode collector welding structure according to claim 2, it is characterised in that：The electrolyte injection
Hole is ball plug-hole.
5. a kind of battery cathode collector welding structure according to claim 1 or 2, it is characterised in that：The welding pressure
Ring cylindrical surface is equipped with groove.
6. a kind of battery cathode collector welding structure according to claim 2, it is characterised in that：The electrolyte injection
Hole is placed in described this body side surface of pole or top surface.
7. a kind of battery cathode collector welding structure according to claim 5, it is characterised in that：The groove is placed in institute
At the center for stating welding pressure ring cylindrical surface, the groove is one or more.
8. a kind of battery, the battery has any current collector and bottom plate spoting structure of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721856997.6U CN207743316U (en) | 2017-12-27 | 2017-12-27 | A kind of battery cathode collector welding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721856997.6U CN207743316U (en) | 2017-12-27 | 2017-12-27 | A kind of battery cathode collector welding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207743316U true CN207743316U (en) | 2018-08-17 |
Family
ID=63120093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721856997.6U Active CN207743316U (en) | 2017-12-27 | 2017-12-27 | A kind of battery cathode collector welding structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN207743316U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114824600A (en) * | 2022-04-22 | 2022-07-29 | 江苏正力新能电池技术有限公司 | Welding method and preparation method of cylindrical battery and welding structure |
-
2017
- 2017-12-27 CN CN201721856997.6U patent/CN207743316U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114824600A (en) * | 2022-04-22 | 2022-07-29 | 江苏正力新能电池技术有限公司 | Welding method and preparation method of cylindrical battery and welding structure |
| CN114824600B (en) * | 2022-04-22 | 2023-12-05 | 江苏正力新能电池技术有限公司 | Welding method and preparation method of cylindrical battery and welding structure |
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