CN201303029Y - Large capacity dynamic lithium battery - Google Patents
Large capacity dynamic lithium battery Download PDFInfo
- Publication number
- CN201303029Y CN201303029Y CNU2008202137653U CN200820213765U CN201303029Y CN 201303029 Y CN201303029 Y CN 201303029Y CN U2008202137653 U CNU2008202137653 U CN U2008202137653U CN 200820213765 U CN200820213765 U CN 200820213765U CN 201303029 Y CN201303029 Y CN 201303029Y
- Authority
- CN
- China
- Prior art keywords
- shell
- lithium battery
- battery
- capacity power
- power lithium
- 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
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model relates to a large capacity dynamic lithium battery, comprising a shell with a liquid inlet, a sealing element sealing the liquid inlet, and an electrical core and electrolyte which are arranged in the shell, and an electrode electrically connected with the electrical core and provided on the shell, wherein the shell is flat and comprises a top shell shaped in groove form and provided with an annular fold edge at the edge of the groove and a plate type bottom shell welded with the fold edge of the top shell to form a sealing chamber; the electrode is provided on the bottom shell. The lithium battery has large surface area, good heat dissipation property, short required heat dissipation distance, large transverse size, small occupied transverse heat dissipation space, and improved space utilization of consumer equipment. The battery shell is composed of a flat top shell and a bottom shell, with simple manufacture and low manufacture cost. The battery top shell is provided with scores for satisfying explosion-proof demands and improving battery safety; and the scores at the corners of the flat rectangle battery and cornered with the top shell of 45 degrees are tested of good explosion-proof effect.
Description
Technical field
The utility model relates to a kind of lithium battery, is specifically related to a kind of large-capacity power lithium battery.
Background technology
Lithium ion battery because of its have specific energy height, environmental protection, high voltage, life-span long, do not have advantage such as memory effect to be widely studied, little to portable type electronic product, all find application to the electric automobile field greatly.
As shown in Figure 1, existing high-capacity lithium battery as the high-capacity lithium battery 10 as automobile power, adopts cuboid, top to go out the structure of pole 11 usually, and there is following defective in this structure:
1, the battery table area is little, is unfavorable for the battery heat radiation;
2, for guaranteeing the battery heat radiation, between the battery heat radiation spacing need be set, because existing battery lateral dimension is little, the heatsink transverse spacing need occupy than large space, make battery pack need bigger installing space could satisfy the heat radiation requirement, reduced the space availability ratio of power consumption equipment;
3, the rectangular structure of battery container need adopt deep hole punching press or two halves shell assembly welding to form, and has increased manufacture difficulty.
The utility model content
The technical problems to be solved in the utility model is, a kind of large-capacity power lithium battery is provided, and adopts flat structure, improves the battery thermal diffusivity, reduces the battery pack installing space, improves the space availability ratio of power consumption equipment.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of large-capacity power lithium battery, comprise housing, the seal that seals this liquid injection port of being with liquid injection port, the electric core that is positioned at this housing and electrolyte and be electrically connected and be arranged on electrode on this housing with this electricity core, it is characterized in that, described housing becomes flat, this housing comprises the top shell that is groove shaped and has circular fold at the edge of its groove, forms the tabular drain pan of closed cavity with this top shell flanging welding, and described electrode is arranged on the described drain pan.
In large-capacity power lithium battery of the present utility model, described electrode comprises conductive stud or blind conduction screw.
In large-capacity power lithium battery of the present utility model, described seal is shrouding or strong sealing adhesive tape.
In large-capacity power lithium battery of the present utility model, described top shell end face comprises cut.
In large-capacity power lithium battery of the present utility model, described cut is straightway, intersect line segment or disperse line segment.
In large-capacity power lithium battery of the present utility model, described housing is flat cuboid or flat square, and described cut is positioned at shell end face bight, described top and becomes miter angle with shell limit, top.
Implement large-capacity power lithium battery of the present utility model, compared with the prior art, its beneficial effect is:
1. the battery table area is big, and area of dissipation is big, and perfect heat-dissipating requires the heat radiation spacing little; The battery lateral dimension is big simultaneously, and the heat-dissipating space that battery pack laterally takies is little, thereby greatly reduces the heat-dissipating space that battery pack requires, and has reduced battery pack and has required installing space, has improved the power consumption equipment space availability ratio;
2. battery container is combined by flat top shell and drain pan, and processing technology is simple, realizes easily, has reduced the battery processing cost;
3. the cut that is provided with on the shell of battery top can satisfy the requirement of explosion proof of battery, has improved battery security; Particularly be arranged on flat cuboid battery bight becomes miter angle with shell limit, top cut, good through the experiment explosion-proof effect.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the stereogram of existing high-capacity lithium battery.
Fig. 2 is a kind of front view of implementing execution mode of the utility model large-capacity power lithium battery top shell.
Fig. 3 is the utility model large-capacity power lithium battery top shell part right view.
Fig. 4 is a kind of front view of implementing execution mode of the utility model large-capacity power lithium battery drain pan.
Fig. 5 is the utility model large-capacity power lithium battery drain pan internal structure view.
Fig. 6 is the utility model large-capacity power lithium battery electricity core and drain pan annexation view.
Embodiment
To shown in Figure 5, large-capacity power lithium battery of the present utility model comprises housing, electric core 40, electrolyte (not shown) and is electrically connected and is arranged on electrode 31 on the housing with electric core 40 as Fig. 2,
Housing adopts flat cuboid (also can adopt flat square), comprise the top shell 20 (as Fig. 2, shown in Figure 3) that is groove shaped and has circular fold 22 at the edge of its groove, with the tabular drain pan 30 of these top shell flanging 22 welding formation closed cavities, electrode 31 is arranged on the drain pan 30.
As shown in Figure 5, electrode 31 is provided with conductive plate 35 in the drain pan inboard, so that be connected with the lug 41 of electric core 40, conductive plate 35 is fixed on the drain pan 30 by insulation spacer 34.
Electrode 31 can adopt following structure: the conductive stud of outstanding drain pan 30 bottom surfaces or be positioned at the blind conduction screw (certainly, electrode 31 also can not be provided with conductive stud or blind conduction screw, and directly realizes electrical connection with wire bonds on electrode) of battery.During use, the heat radiation between the battery can be held conductive stud at interval, and the connection lead of employing belt washer can be realized the connection between battery.Battery adopts blind conduction screw can further reduce the bulk of battery electrode connection request, can use the connection between the connection lead realization battery of being with the external screw thread connector.
The shrouding (or strong sealing adhesive tape) 32 of injecting electrolytic solution hole 33 and this liquid injection hole 33 of sealing is set, so that finish the back to battery inner chamber injection electrolyte and seal in the battery assembling on drain pan 30.Injecting electrolytic solution hole 33 also can be arranged on the shell of top.
Be the battery explosion danger that prevents that the inner pressure of battery superelevation from causing, decide face at battery and cut is set carries out pressure release, prevent that blast from causing danger.The cut form includes but not limited to straightway, intersect line segment or disperse line segment.
As shown in Figure 2, experiment showed, that two bights at top shell 20 end faces (can also be in a bight, three bights or four bights) are provided with the cut that becomes miter angle with shell limit, top, can reach explosion-proof effect preferably.
In other embodiments, battery container can adopt other flat patterns, as circular flat, oval flat etc.
Claims (6)
1, a kind of large-capacity power lithium battery, comprise housing, the seal that seals this liquid injection port of being with liquid injection port, the electric core that is positioned at this housing and electrolyte and be electrically connected and be arranged on electrode on this housing with this electricity core, it is characterized in that, described housing becomes flat, this housing comprises the top shell that is groove shaped and has circular fold at the edge of its groove, forms the tabular drain pan of closed cavity with this top shell flanging welding, and described electrode is arranged on the described drain pan.
2, large-capacity power lithium battery as claimed in claim 1 is characterized in that, described electrode comprises conductive stud or blind conduction screw.
3, large-capacity power lithium battery as claimed in claim 1 is characterized in that, described seal is shrouding or strong sealing adhesive tape.
As the described large-capacity power lithium battery of one of claim 1 to 3, it is characterized in that 4, described top shell end face comprises cut.
5, large-capacity power lithium battery as claimed in claim 4 is characterized in that, described cut is straightway, intersect line segment or disperse line segment.
6, large-capacity power lithium battery as claimed in claim 4 is characterized in that, described housing is flat cuboid or flat square, and described cut is positioned at shell end face bight, described top and becomes miter angle with shell limit, top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202137653U CN201303029Y (en) | 2008-11-25 | 2008-11-25 | Large capacity dynamic lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202137653U CN201303029Y (en) | 2008-11-25 | 2008-11-25 | Large capacity dynamic lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201303029Y true CN201303029Y (en) | 2009-09-02 |
Family
ID=41086659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202137653U Expired - Fee Related CN201303029Y (en) | 2008-11-25 | 2008-11-25 | Large capacity dynamic lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201303029Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591555A (en) * | 2016-07-06 | 2018-01-16 | 宁德时代新能源科技股份有限公司 | Secondary battery |
| CN112259778A (en) * | 2020-01-20 | 2021-01-22 | 蜂巢能源科技有限公司 | Rubberizing device and electric core sealing system |
-
2008
- 2008-11-25 CN CNU2008202137653U patent/CN201303029Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591555A (en) * | 2016-07-06 | 2018-01-16 | 宁德时代新能源科技股份有限公司 | Secondary battery |
| CN107591555B (en) * | 2016-07-06 | 2024-03-19 | 宁德时代新能源科技股份有限公司 | Secondary battery |
| CN112259778A (en) * | 2020-01-20 | 2021-01-22 | 蜂巢能源科技有限公司 | Rubberizing device and electric core sealing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Yao'an Battery Power Technology (Shenzhen) Co., Ltd. patent person in charge Document name: Notification that Application Deemed not to be Proposed |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: Longgang District of Shenzhen City, Guangdong province 518116 new Longgang Street Community Xian Road No. 53 Patentee after: Yaoan Battery Potech (Shenzhen) Ltd. Address before: With the Longgang District of Shenzhen city in Guangdong province was 518116 pit road No. 168 Hengli Industrial Park building A1 Patentee before: Yaoan Battery Potech (Shenzhen) Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090902 Termination date: 20161125 |