CN201936959U - Lithium ion battery with novel cover plate device - Google Patents
Lithium ion battery with novel cover plate device Download PDFInfo
- Publication number
- CN201936959U CN201936959U CN2011200959496U CN201120095949U CN201936959U CN 201936959 U CN201936959 U CN 201936959U CN 2011200959496 U CN2011200959496 U CN 2011200959496U CN 201120095949 U CN201120095949 U CN 201120095949U CN 201936959 U CN201936959 U CN 201936959U
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- CN
- China
- Prior art keywords
- pure nickel
- rivet
- aluminum cover
- installing hole
- lithium ion
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- 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
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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)
- Sealing Battery Cases Or Jackets (AREA)
- Secondary Cells (AREA)
Abstract
The utility model relates to a lithium ion battery with a novel cover plate device, which comprises a battery case and a coil core arranged in the battery case. The upper port of the battery case is provided with an aluminum cover plate which is provided with an anode extracting structure and a cathode extracting structure, wherein the cathode extracting structure comprises an installing hole on the aluminum cover plate, a pure nickel rivet, a pure nickel slice and an insulating sealing ring, the pure nickel rivet is penetratingly arranged in the installing hole, the insulating sealing ring is positioned between the pure nickel rivet and the installing hole to enable the pure nickel rivet and the aluminum cover plate to be in insulating sealing condition, the pure nickel slice served as a cathode lug is welded on the connection portion of the pure nickel rivet extending under the aluminum cover plate, the anode extracting structure takes example by the mode of the cathode extracting structure, and an anode lug and the cathode lug respectively proceed ultrasonic spot welding with the pure nickel rivet. One ultrasonic welding can achieve the same effect as two welding steps of the same anode and cathode ends of battery cores, thereby saving cost, improving efficiency and welding stability, avoiding desoldering, and improving the qualified rate and the qualities of products.
Description
Technical field
The utility model relates to technical field of lithium ion, refers in particular to a kind of lithium ion battery with blind flange device.
Background technology
Lithium ion battery is widely used in fields such as communication field, mobile communications tool, notebook computer, DVD, panel computer, GPS, and especially at communication field, lithium ion battery occupies absolute advantage.
The Aluminum cover of existing lithium ion battery is shown in Fig. 1-2, Aluminum cover has anodal deriving structure and negative pole derivation mechanism, its negative pole derivation mechanism is by the installing hole on the Aluminum cover 30 41, pure nickel rivet 42, pure nickel sheet 43 and insulated enclosure circle 44 are formed, its anodal derivation mechanism includes aluminium nickel composite band 52 and as the aluminium flake 53 of anode ear, add man-hour, at first aluminium nickel composite band 52 is welded on Aluminum cover 30 upper surfaces, then with after Aluminum cover 30 upsets, to be welded on the lower surface of Aluminum cover 30 as the aluminium flake 53 of anode ear again, like this, the aluminium flake 53 of anode ear and aluminium nickel composite band 52 mutual conduction form anodal derivation mechanism, the ultrasonic spot welding mode is all adopted in existing welding, evenness to parts when this mode is welded requires than higher, after being welded on Aluminum cover 30 upper surfaces, aluminium nickel composite band 52 can form projection, should projection can cause Aluminum cover not steady behind the upset Aluminum cover 30, form high internal resistance with regard to causing rosin joint easily during again with ultrasonic bonding aluminium flake 53, influence product percent of pass and quality, and adopt two step weldings, not only efficient is low but also increased cost.
Summary of the invention
This novel purpose is exactly to provide a kind of at the deficiencies in the prior art part can improve welding quality and the high lithium ion battery with blind flange device of efficient, saving cost and qualification rate.
For achieving the above object, this novel technical scheme is: a kind of lithium ion battery with blind flange device, include: the volume core in battery case and the battery case, the upper port of battery case is provided with Aluminum cover, have anodal deriving structure and negative pole derivation mechanism at Aluminum cover, wherein, the negative pole derivation mechanism includes the installing hole on the Aluminum cover, the pure nickel rivet, pure nickel sheet and insulated enclosure circle, the pure nickel rivet is located in the described installing hole, the insulated enclosure circle is located at and is made between pure nickel rivet and the installing hole that pure nickel riveting and Aluminum cover are in the insulated enclosure state, pure nickel sheet as negative electrode lug is welded on the coupling part that the pure nickel rivet puts in the Aluminum cover below, described anodal derivation mechanism includes second installing hole on the Aluminum cover, the second pure nickel rivet, the aluminium nickel composite band and the second insulated enclosure circle, the second pure nickel rivet is located in described second installing hole, the second insulated enclosure circle is located at and is made between the second pure nickel rivet and second installing hole that the second pure nickel riveting and Aluminum cover are in the insulated enclosure state, and aluminium nickel composite tape is connected on the coupling part that the second pure nickel rivet puts in the Aluminum cover below.
The outer surface of described aluminium nickel composite band is that inner surface is the nickel face as anodal aluminium face.
Described aluminium nickel composite band is put respectively by ultrasonic wave and is welded in the coupling part that the second corresponding pure nickel rivet puts in the Aluminum cover below.
Described insulated enclosure circle is the combination of last sealing ring and lower seal.
The described second pure nickel rivet end face is circular or square.
Described aluminium nickel composite band thickness is 0.15～0.5 millimeter.
After adopting said structure, the anodal deriving structure of the utility model is used for reference the pattern of negative pole deriving structure, positive and negative lug respectively with the ultrasonic spot welding of carrying out of pure nickel rivet, like this, once super weldering just can reach positive and negative electrodes in same end class electricity core two steps welding effect, save cost, improved efficient and stable welding, can sealing-off, improved the qualification rate and the quality of product.
Description of drawings
Fig. 1 is the Aluminum cover structural representation of lithium ion battery of the prior art.
Fig. 2 is a lithium ion battery structure schematic diagram of the prior art.
Fig. 3 is the Aluminum cover structural representation of this novel lithium ion battery.
Fig. 4 is this lithium ion battery structure schematic diagram in novel.
Embodiment
Fig. 1-2 is a lithium ion battery structure schematic diagram of the prior art, its negative pole derivation mechanism is by the installing hole on the Aluminum cover 30 41, pure nickel rivet 42, pure nickel sheet 43 and insulated enclosure circle 44 are formed, its anodal derivation mechanism includes aluminium nickel composite band 52 and as the aluminium flake 53 of anode ear, add man-hour, at first aluminium nickel composite band 52 is welded on Aluminum cover 30 upper surfaces, then with after Aluminum cover 30 upsets, to be welded on the lower surface of Aluminum cover 30 as the aluminium flake 53 of anode ear again, like this, the aluminium flake 53 of anode ear and aluminium nickel composite band 52 mutual conduction form anodal derivation mechanism, the ultrasonic spot welding mode is all adopted in existing welding, evenness to parts when this mode is welded requires than higher, after being welded on Aluminum cover 30 upper surfaces, aluminium nickel composite band 52 can form projection, should projection can cause Aluminum cover not steady behind the upset Aluminum cover 30, form high internal resistance with regard to causing rosin joint easily during again with ultrasonic bonding aluminium flake 53, influence product percent of pass and quality.
This new embodiment is shown in Fig. 2-4, a kind of lithium ion battery with blind flange device, include: the volume core 20 in battery case 10 and the battery case 10, the upper port of battery case 10 is provided with Aluminum cover 30, have anodal deriving structure 50 and negative pole derivation mechanism 40 at Aluminum cover 30, wherein, negative pole derivation mechanism 40 includes the installing hole 41 on the Aluminum cover 30, pure nickel rivet 42, pure nickel sheet 43 and insulated enclosure circle 44, pure nickel rivet 42 is located in the described installing hole 41, insulated enclosure circle 44 is located at and is made pure nickel rivet 42 and Aluminum cover 30 be in the insulated enclosure state between pure nickel rivet 42 and the installing hole 41, pure nickel sheet 43 as negative electrode lug is welded on the coupling part that pure nickel rivet 42 puts in Aluminum cover 30 belows, described anodal derivation mechanism includes second installing hole 54 on the Aluminum cover 30, the second pure nickel rivet 55, the aluminium nickel composite band 56 and the second insulated enclosure circle 57, the second pure nickel rivet 55 is located in described second installing hole 54, the second insulated enclosure circle 57 is located at and is made the second pure nickel riveting 55 be in the insulated enclosure state with Aluminum cover 30 between the second pure nickel rivet 55 and second installing hole 54, and aluminium nickel composite band 56 is welded on the coupling part that the second pure nickel rivet 55 puts in Aluminum cover 30 belows.
The outer surface of described aluminium nickel composite band 56 is that inner surface is the nickel face as anodal aluminium face.
Described aluminium nickel composite band 56 is put respectively by ultrasonic wave and is welded in the coupling part that the second corresponding pure nickel rivet 55 puts in Aluminum cover 30 belows.
The described second insulated enclosure circle 57 is the combination of last sealing ring and lower seal.
The described second pure nickel rivet, 55 end faces are circular or square.
Described aluminium nickel composite band 56 thickness are 0.15～0.5 millimeter.
Like this, the anodal deriving structure of the utility model is used for reference the pattern of negative pole deriving structure, positive and negative lug respectively with the ultrasonic spot welding of carrying out of pure nickel rivet, like this, once super weldering just can reach positive and negative electrodes in same end class electricity core two steps welding effect, save cost, improved efficient and stable welding, can sealing-off, improved the qualification rate and the quality of product.
Claims (6)
1. lithium ion battery with blind flange device, include: the volume core in battery case and the battery case, the upper port of battery case is provided with Aluminum cover, have anodal deriving structure and negative pole derivation mechanism at Aluminum cover, wherein, the negative pole derivation mechanism includes the installing hole on the Aluminum cover, the pure nickel rivet, pure nickel sheet and insulated enclosure circle, the pure nickel rivet is located in the described installing hole, the insulated enclosure circle is located at and is made between pure nickel rivet and the installing hole that pure nickel riveting and Aluminum cover are in the insulated enclosure state, pure nickel sheet as negative electrode lug is welded on the coupling part that the pure nickel rivet puts in the Aluminum cover below, it is characterized in that: described anodal derivation mechanism includes second installing hole on the Aluminum cover, the second pure nickel rivet, the aluminium nickel composite band and the second insulated enclosure circle, the second pure nickel rivet is located in described second installing hole, the second insulated enclosure circle is located at and is made between the second pure nickel rivet and second installing hole that the second pure nickel riveting and Aluminum cover are in the insulated enclosure state, and aluminium nickel composite tape is connected on the coupling part that the second pure nickel rivet puts in the Aluminum cover below.
2. a kind of lithium ion battery with blind flange device according to claim 1 is characterized in that: the outer surface of described aluminium nickel composite band is that inner surface is the nickel face as anodal aluminium face.
3. a kind of lithium ion battery with blind flange device according to claim 1 is characterized in that: described aluminium nickel composite band is put respectively by ultrasonic wave and is welded in the coupling part that the second corresponding pure nickel rivet puts in the Aluminum cover below.
4. a kind of lithium ion battery with blind flange device according to claim 1 is characterized in that: described insulated enclosure circle is the combination of last sealing ring and lower seal.
5. a kind of lithium ion battery with blind flange device according to claim 1 is characterized in that: the described second pure nickel rivet end face is for circular or square.
6. a kind of lithium ion battery with blind flange device according to claim 1 and 2 is characterized in that: described aluminium nickel composite band thickness is 0.15～0.5 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200959496U CN201936959U (en) | 2011-04-02 | 2011-04-02 | Lithium ion battery with novel cover plate device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200959496U CN201936959U (en) | 2011-04-02 | 2011-04-02 | Lithium ion battery with novel cover plate device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201936959U true CN201936959U (en) | 2011-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200959496U Expired - Fee Related CN201936959U (en) | 2011-04-02 | 2011-04-02 | Lithium ion battery with novel cover plate device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201936959U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107295A (en) * | 2011-11-14 | 2013-05-15 | 丁振荣 | Sealing ring, nut cap, cell, lithium battery and nut cap assembly method |
-
2011
- 2011-04-02 CN CN2011200959496U patent/CN201936959U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107295A (en) * | 2011-11-14 | 2013-05-15 | 丁振荣 | Sealing ring, nut cap, cell, lithium battery and nut cap assembly method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HALEON TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHENZHEN DONG FANG HUA LIAN TECHNOLOGY CO., LTD. Effective date: 20141028 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20141028 Address after: Baoan District Songgang Tangxia street Shenzhen city Guangdong province 518000 Bay community Second Industrial Road No. 33 building 1-3 building Patentee after: Shenzhen China Hualian Technology Co., Ltd. Address before: Baoan District Songgang Tangxia town Shenzhen city Guangdong province 518000 Industrial Zone Chung Second Industrial Road No. 33 Patentee before: Shenzhen Dong Fang Hua Lian Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110817 Termination date: 20150402 |
|
| EXPY | Termination of patent right or utility model |