CN201789021U - High-power cylindrical lithium ion battery cathode lead-out structure - Google Patents
High-power cylindrical lithium ion battery cathode lead-out structure Download PDFInfo
- Publication number
- CN201789021U CN201789021U CN2010205282444U CN201020528244U CN201789021U CN 201789021 U CN201789021 U CN 201789021U CN 2010205282444 U CN2010205282444 U CN 2010205282444U CN 201020528244 U CN201020528244 U CN 201020528244U CN 201789021 U CN201789021 U CN 201789021U
- Authority
- CN
- China
- Prior art keywords
- ion battery
- lithium ion
- copper mesh
- foaming nickel
- cathode
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- Cell Electrode Carriers And Collectors (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a high-power cylindrical lithium ion battery cathode lead-out structure, which aims at improving a traditional lead-out mode of a lithium ion battery cathode and provides an innovative lithium ion battery cathode lead-out structure. A copper net is welded on the lower portion of a cathode lug of a coil core of the lead-out structure, foamed nickel is welded at the bottom of a steel casing, the coil core is perpendicularly and downwardly stricken when the cathode lug is led out, so that the cathode lug welded with the copper net is completely embedded into the foam nickel, and finally a spot welding pin penetrates through a central hole of the coil core to firmly weld the cathode lug with the bottom of the steel casing. Accordingly, the cathode lead-out structure is large in contact area, small in the impedance of a battery core and high in large current discharging efficiency, can effectively overcome the shortcomings in the prior art, and comprehensively improves the use performance of a lithium ion battery.
Description
Technical field
The utility model relates to a kind of high power column lithium ion battery negative pole deriving structure, refers in particular to a kind ofly to draw designed battery structure at negative pole in high power cylindrical lithium ion battery manufacture process, belongs to the basic electrical component field.
Background technology
Make the field at lithium ion battery, common negative lug lead-out mode is that lug is bent to volume core centre bore, re-using capillary passes volume core centre bore negative electrode lug is connected with box hat portion spot welding, form a bit and connect, such connected mode make the volume core with the steel shell contact area is little, impedance greatly, heavy-current discharge efficient is low, reduced the serviceability of lithium ion battery.
The utility model content
The purpose of this utility model is the defective that exists at background technology, design provides a kind of high power column lithium ion battery negative pole deriving structure, this high power column lithium ion battery negative pole deriving structure is welded with copper mesh in the negative electrode lug bottom of volume core, be welded with foaming nickel in the bottom of box hat, when drawing negative electrode lug the volume core is beaten vertically downward, make the negative electrode lug that is welded with copper mesh embed fully in the foaming nickel body, use the some capillary to pass the centre bore of volume core at last with negative electrode lug and box hat bottom firm welding, such negative pole deriving structure contact area is big, the impedance of electricity core is little, heavy-current discharge efficient height, can effectively overcome the defective that exists in the background technology, improve the serviceability of lithium ion battery comprehensively.
In order to achieve the above object, the utility model is realized by following technological means:
A kind of high power column lithium ion battery negative pole deriving structure, include volume core, negative electrode lug, copper mesh, box hat, foaming nickel major part, wherein: the lower end at the volume core is provided with negative electrode lug, be provided with copper mesh in the negative electrode lug bottom, copper mesh is annular, the centre is provided with through hole, and negative electrode lug adopts means of spot welds to be connected with copper mesh; Be provided with foaming nickel in the box hat lower end, foaming nickel is annular, and the centre is provided with through hole, and foaming nickel adopts means of spot welds to be connected with the box hat bottom; The internal diameter numerical value of box hat is a, and the outside diameter numerical value of copper mesh is b, and the thickness value of copper mesh is c, the through-hole diameter numerical value of copper mesh is d, the outside diameter numerical value of foaming nickel is e, and the thickness value of foaming nickel is f, and the through-hole diameter numerical value of foaming nickel is g, then b equals a and deducts 2~3mm, the span of c is 0.2~0.3mm, and the span of d is 8~12mm, and e equals a and deducts 1~2mm, the span of f is 0.5~0.7mm, and the span of g is 8~12mm; During the assembling lithium ion battery, the volume core that is welded with copper mesh is placed the box hat inside that into is welded with foaming nickel, the box hat that the volume core will be housed then vertically is positioned on the table top that is equipped with the thick rubber of 0.3mm, the volume core is implemented to beat vertically downward, beat 3 times, copper mesh is embedded in the foaming nickel body fully, use the some capillary to pass the centre bore of volume core at last with negative electrode lug and box hat bottom firm welding, finishing high power cylindrical lithium ion battery negative pole draws, the final structure that high power column lithium ion battery negative pole is drawn is, copper mesh embeds in the foaming nickel body fully, negative electrode lug and the welding of box hat bottom.
The utility model mainly has following good effect and technical characterictic:
High power column lithium ion battery negative pole deriving structure, rational in infrastructure, technology is simple, easy to operate, volume core negative pole and shell form a conductive mesh, and big, the electric core impedance of contact area is little, heavy-current discharge efficient height, has improved the heavy-current discharge performance of high power cylindrical lithium ion battery; Material is selected both to have guaranteed technical performance to have reduced cost again, has reformed lithium ion battery tradition negative pole lead-out mode, has improved the serviceability of column lithium ion battery.
Description of drawings
Fig. 1 is negative electrode lug and copper mesh Welding Structure cut-away illustration;
Fig. 2 is box hat and foaming nickel Welding Structure cut-away illustration;
Fig. 3 is the structure cut-away illustration before core winding into shell beats;
Fig. 4 is the structure cut-away illustration after core winding into shell beats;
As shown in the figure, the Arabic numerals among the figure are expressed as follows:
The volume core, 2. negative electrode lug, 3. copper mesh, 4. box hat, 5. the foaming nickel.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
As shown in Figure 1 and Figure 2, be provided with negative electrode lug 2 in the lower end of volume core 1, be provided with copper mesh 3 in negative electrode lug 2 bottoms, copper mesh 3 is annular, and the centre is provided with through hole, and negative electrode lug 2 adopts means of spot welds to be connected with copper mesh 3; Be provided with foaming nickel 5 in box hat 4 lower ends, foaming nickel 5 is annular, and the centre is provided with through hole, and foaming nickel 5 adopts means of spot welds to be connected with box hat 4 bottoms;
As shown in Figure 1 and Figure 2, the internal diameter numerical value of box hat 4 is a, and the outside diameter numerical value of copper mesh 3 is b, the thickness value of copper mesh 3 is c, and the through-hole diameter numerical value of copper mesh 3 is d, and the outside diameter numerical value of foaming nickel 5 is e, the thickness value of foaming nickel 5 is f, the through-hole diameter numerical value of foaming nickel 5 is g, and then b equals a and deducts 2~3mm, and the span of c is 0.2~0.3mm, the span of d is 8~12mm, e equals a and deducts 1~2mm, and the span of f is 0.5~0.7mm, and the span of g is 8~12mm;
As Fig. 3, shown in Figure 4, during the assembling lithium ion battery, the volume core 1 that is welded with copper mesh 3 is placed box hat 4 inside of advancing to be welded with foaming nickel 5, the box hat 4 that volume core 1 will be housed then vertically is positioned on the table top that is equipped with the thick rubber of 0.3mm, volume core 1 is implemented to beat vertically downward, beat 3 times, copper mesh 3 is embedded in foaming nickel 5 bodies fully, use the some capillary to pass the centre bore of volume core 1 at last with negative electrode lug 2 and box hat 4 bottom firm welding, finishing high power cylindrical lithium ion battery negative pole draws, the final structure that high power column lithium ion battery negative pole is drawn is that copper mesh 3 embeds in foaming nickel 5 bodies fully, negative electrode lug 2 and the welding of box hat 4 bottoms.
Claims (2)
1. the cylindrical kalium ion battery negative pole of high power deriving structure, it comprises: volume core (1), negative electrode lug (2), copper mesh (3), box hat (4), foaming nickel (5) part, it is characterized in that: the lower end at volume core (1) is provided with negative electrode lug (2), be provided with copper mesh (3) in negative electrode lug (2) bottom, copper mesh (3) is annular, the centre is provided with through hole, and negative electrode lug (2) adopts means of spot welds to be connected with copper mesh (3); Be provided with foaming nickel (5) in box hat (4) lower end, foaming nickel (5) is annular, and the centre is provided with through hole, and foaming nickel (5) adopts means of spot welds to be connected with box hat (4) bottom; The final structure that high power column lithium ion battery negative pole is drawn is that copper mesh (3) embeds in foaming nickel (5) body fully, negative electrode lug (2) and the welding of box hat (4) bottom.
2. high power column lithium ion battery negative pole deriving structure according to claim 1, it is characterized in that: the internal diameter numerical value of described box hat (4) is (a), the outside diameter numerical value of copper mesh (3) is (b), the thickness value of copper mesh (3) is (c), the through-hole diameter numerical value of copper mesh (3) is (d), the outside diameter numerical value of foaming nickel (5) is (e), the thickness value of foaming nickel (5) is (f), the through-hole diameter numerical value of foaming nickel (5) is (g), then (b) equals (a) and deducts 2~3mm, (c) span is 0.2~0.3mm, (d) span is 8~12mm, (e) equal (a) and deduct 1~2mm, span (f) is 0.5~0.7mm, and span (g) is 8~12mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010205282444U CN201789021U (en) | 2010-09-08 | 2010-09-08 | High-power cylindrical lithium ion battery cathode lead-out structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010205282444U CN201789021U (en) | 2010-09-08 | 2010-09-08 | High-power cylindrical lithium ion battery cathode lead-out structure |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201789021U true CN201789021U (en) | 2011-04-06 |
Family
ID=43820976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010205282444U Expired - Fee Related CN201789021U (en) | 2010-09-08 | 2010-09-08 | High-power cylindrical lithium ion battery cathode lead-out structure |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201789021U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105406019A (en) * | 2015-12-05 | 2016-03-16 | 江苏天鹏电源有限公司 | Multi-layer structure-based negative tab of lithium-ion battery |
-
2010
- 2010-09-08 CN CN2010205282444U patent/CN201789021U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105406019A (en) * | 2015-12-05 | 2016-03-16 | 江苏天鹏电源有限公司 | Multi-layer structure-based negative tab of lithium-ion battery |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9060548B2 (en) | Fast connector of electronic cigarette | |
CN203377304U (en) | Lithium ion secondary battery | |
CN203225174U (en) | Super capacitor | |
CN201789021U (en) | High-power cylindrical lithium ion battery cathode lead-out structure | |
CN201219111Y (en) | Lithium ion power cell | |
CN202633424U (en) | Cylindrical lithium ion battery and anode lug | |
CN207883831U (en) | A kind of cylindrical battery | |
CN202308190U (en) | Novel utmost point ear high magnification lithium ion battery | |
CN201072785Y (en) | High power alkaline zinc-manganese battery | |
CN203706896U (en) | Current guider of super capacitor | |
CN206180010U (en) | Connection structure of 1. 5V constant voltage lithium cell of 5 numbers disposable alkaline batteries of fungible | |
CN202796467U (en) | Energy type supercapacitor | |
CN206421936U (en) | A kind of punching high frequency high current resonant capacitor | |
CN202264396U (en) | Rapid pipe welding mechanism | |
CN107994254A (en) | Cylindrical battery | |
CN201781004U (en) | Lead-out structure of negative electrode guide needle of cylindrical lithium battery | |
CN208507844U (en) | Secondary cell | |
CN202150512U (en) | Alkaline manganese battery negative current collector copper needle | |
CN205828517U (en) | Lead-acid accumulator copper core terminal | |
CN202231084U (en) | Collector ring of large-capacity cylindrical lithium ion battery | |
CN208246089U (en) | A kind of lead-acid storage battery terminal welding rod | |
CN207504147U (en) | A kind of lithium-ion capacitor battery assembly | |
CN205846131U (en) | A kind of lithium ion battery with hard shell | |
CN202352752U (en) | High-capacity high-stability lithium battery | |
CN206059911U (en) | A kind of anion generator |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20130908 |