CN205248320U - Lithium battery shell and lithium cell - Google Patents
Lithium battery shell and lithium cell Download PDFInfo
- Publication number
- CN205248320U CN205248320U CN201521107568.XU CN201521107568U CN205248320U CN 205248320 U CN205248320 U CN 205248320U CN 201521107568 U CN201521107568 U CN 201521107568U CN 205248320 U CN205248320 U CN 205248320U
- Authority
- CN
- China
- Prior art keywords
- battery
- sidewall
- lithium battery
- ring
- annular protrusion
- 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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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
Abstract
The utility model provides a lithium battery shell and lithium cell, includes lithium battery shell, electric core and block, lithium battery shell include the lateral wall of cavity tube -shape and be located the lateral wall first end be used for seal the diapire of first end, the lateral wall is still held including the second that the opening of keeping away from first end was described, the lateral wall is bellied annular protruding including the central axis direction to keeping away from the lateral wall that the annular slot that central axis direction is sunken and the interval to the lateral wall of interval setting set up for the corrugate, annular slot and the protruding adjacent setting of annular, the electricity core accept in in the lithium battery shell, the block set up in the second end is used for sealing the second end, the block is in the same place with the utmost point ear welding of electric core. Because lithium battery shell's lateral wall be the corrugate, has increased the heat radiating area of lateral wall, the improvement radiating effect in addition, has strengthened lithium battery shell's intensity.
Description
[technical field]
The utility model relates to technical field of lithium batteries, relates in particular to a kind of li battery shell and lithium battery.
[background technology]
Lithium rechargeable battery (abbreviation lithium battery) has that volume is little, quality is light, operating voltage is high, energyHeight, has extended cycle life and pollutes the features such as little, is the desirable energy of future development. For many years, lithium-ion electricPond selected materials and battery processing technology also all make great progress, but still the part having much room for improvement, as electricityPond proposes higher at heat dissipation problem and safety problem, the especially dynamic lithium battery of the course of work to securityRequirement. There is certain irrationality in the shell setting of current many lithium ion batteries. Producing lithium-ion electricIn the process of pond, the mode that employing packs battery battery core into cylinder smooth box hat is conventionally produced. But, due to electricityThe inwall internal diameter of the external diameter of pond battery core and box hat is very approaching, and therefore deviation slightly very easily causes battery to damageBad or distortion, has a strong impact on the production efficiency of battery and has reduced the quality of battery. In addition, smooth surfaceThe long-pending surface area of box hat little and cannot dispel the heat fully in time when battery operated, can affect battery operating efficiency andSecurity, therefore the appropriate design of battery case can improve service life and the security performance of battery.
[utility model content]
The purpose of this utility model is to provide and realizes fast in time heat radiation, have damping, shockproof, resistance to compression,The li battery shell of high voltage bearing function and lithium battery.
To achieve these goals, the utility model provides a kind of li battery shell, comprises the side of hollow tube-shapeWall and be positioned at sidewall first end for sealing the diapire of described first end; Described sidewall is corrugated bagDraw together the ring-shaped groove of the spaced central axis direction to sidewall depression and spaced to away from sidewallThe annular protrusion of central axis direction projection, the adjacent setting of ring-shaped groove and annular protrusion.
Further, described ring-shaped groove and annular protrusion are along the cross sectional shape of the plane at described central shaft placeFor arc.
Further, described ring-shaped groove and annular protrusion are along the cross sectional shape of the plane at described central shaft placeOr rectangle, triangle or trapezoidal.
Further, 1 to 2 millimeter of the height of described annular protrusion, the spacing between annular protrusion is 0.5To 1 millimeter.
To achieve these goals, the utility model provides a kind of lithium battery, comprises li battery shell, battery coreAnd block; Described li battery shell comprise the sidewall of hollow tube-shape and be positioned at sidewall first end for sealingThe diapire of described first end, described sidewall also comprises ringent the second end away from first end, described sidewallFor corrugated and comprise the ring-shaped groove of the spaced central axis direction to sidewall depression and spacedTo the annular protrusion of the central axis direction projection away from sidewall, the adjacent setting of ring-shaped groove and annular protrusion; InstituteStating battery core is contained in described li battery shell; Described block is arranged at described the second end for sealing describedTwo ends, together with the tab welding of described block and battery core.
Further, described battery core contacts with the inner surface of the bottom of ring-shaped groove and the inner surface of diapire.
Further, described ring-shaped groove and annular protrusion are along the cross sectional shape of the plane at described central shaft placeFor arc.
Further, described ring-shaped groove and annular protrusion are along the cross sectional shape of the plane at described central shaft placeOr rectangle, triangle or trapezoidal.
Further, 1 to 2 millimeter of the height of described annular protrusion, the spacing between annular protrusion is 0.5To 1 millimeter.
The beneficial effects of the utility model are: because the sidewall of li battery shell of the present utility model is corrugated,Increase the area of dissipation of sidewall, improved radiating effect, in addition, strengthened the intensity of li battery shell, separatedThe determined problem of the fragile distortion of prior art shell, has damping, shockproof, resistance to compression and high voltage bearing function,To single lithium battery and lithium battery bag is safer in groups.
[brief description of the drawings]
Fig. 1 is the main diagram of the utility model lithium battery.
Fig. 2 is for being that the utility model lithium battery is overlooked diagram.
Fig. 3 is for being the utility model lithium battery normal section structural representation.
[detailed description of the invention]
In order to make, the purpose of this utility model, technical scheme and useful technique effect are more clear to be understood, belowBy reference to the accompanying drawings and detailed description of the invention, the utility model is further elaborated. Should be understood that,The detailed description of the invention of describing in this description is only used to explain the utility model, is not in order to limitThe utility model.
As shown in Figures 1 to 3, a kind of lithium battery 100 that the utility model provides, comprise li battery shell 10,Battery core 20 and block 30.
Described li battery shell 10 is made up of for example stainless steel of steel, and described li battery shell 10 comprises hollowThe sidewall 12 of tubular and be positioned at sidewall 12 first ends 122 for sealing the diapire 14 of described first end 122.In present embodiment, described sidewall 12 is formed in one with described diapire 14. Described sidewall 12 is roughly circleColumn, described sidewall 12 also comprises the second end 124 away from first end 122. Described the second end 124 is for openingMouth shape. Described sidewall 12 is corrugated. Concrete, sidewall 12 can form ripple by modes such as roll-insShape. The ring-shaped groove 126 of the spaced central shaft AA direction to sidewall 12 of sidewall 12 depression andEvery the annular protrusion 128 to the central axis direction projection away from sidewall 12 arranging. Each ring-shaped groove 126Between two annular protrusions 128, i.e. ring-shaped groove 126 setting adjacent with annular protrusion 128. DescribedRing-shaped groove 126 is vertical with described central shaft with the bearing of trend of annular protrusion 128. Described ring-shaped groove 126With annular protrusion 128 be arc along the cross sectional shape of the plane at described central shaft place. Embodiment thereinIn, described ring-shaped groove 126 and annular protrusion 128 are along the cross sectional shape of the plane at described central shaft place alsoCan be rectangle, triangle or trapezoidal. In present embodiment, height 1 to 2 milli of annular protrusion 128Rice, the spacing between annular protrusion is 0.5 to 1 millimeter.
Described battery core 20 is cylindric, is contained in described li battery shell 10 and with ring-shaped groove 126The inner surface of bottom and the contact of the inner surface of diapire 14.
Described block 30 is arranged at described the second end 124 for sealing described the second end 124. Described block 30Weld together with the lug 22 of battery core 20, for the positive pole as described lithium battery 100. Described block 2Also, be provided with safety valve (not shown), prevent that battery from occurring abnormal, when gas production is excessive, blast,Improve the security performance of battery.
Because the sidewall of li battery shell of the present utility model is corrugated, increase the area of dissipation of sidewall,Improve radiating effect, in addition, strengthened the intensity of li battery shell, solved prior art shell fragileThe problem of distortion, has damping, shockproof, resistance to compression and high voltage bearing function, to single lithium battery and lithium in groupsPower brick is safer.
The utility model is not restricted to described in description and embodiment, therefore for familiar fieldPersonnel can easily realize additional advantage and amendment, therefore do not deviating from claim and equivalency rangeIn the situation of the spirit and scope of the universal limiting, the utility model be not limited to specific details,Representational equipment and illustrating here and the examples shown of describing.
Claims (9)
1. a li battery shell, is characterized in that: comprise the sidewall of hollow tube-shape and be positioned at first of sidewallEnd for sealing the diapire of described first end; Described sidewall is corrugated and comprises spaced to sidewallRing-shaped groove and the spaced ring to the central axis direction projection away from sidewall of central axis direction depressionShape projection, the adjacent setting of ring-shaped groove and annular protrusion.
2. li battery shell as claimed in claim 1, is characterized in that: described ring-shaped groove and convex annularRising along the cross sectional shape of the plane at described central shaft place is arc.
3. li battery shell as claimed in claim 1, is characterized in that: described ring-shaped groove and convex annularRise along the cross sectional shape of the plane at described central shaft place or rectangle, triangle or trapezoidal.
4. li battery shell as claimed in claim 1, is characterized in that: the height 1 of described annular protrusion to2 millimeters, the spacing between annular protrusion is 0.5 to 1 millimeter.
5. a lithium battery, comprises li battery shell, battery core and block; It is characterized in that: described lithium batteryShell comprise the sidewall of hollow tube-shape and be positioned at sidewall first end for sealing the diapire of described first end,Described sidewall also comprises ringent the second end away from first end, and described sidewall is corrugated and comprises intervalThe ring-shaped groove of the depression of the central axis direction to sidewall arranging and spaced to the central shaft away from sidewallThe annular protrusion of direction projection, the adjacent setting of ring-shaped groove and annular protrusion; Described battery core is contained in described lithiumIn battery case; Described block is arranged at described the second end for sealing described the second end, described block and electricityThe tab welding of core together.
6. lithium battery as claimed in claim 5, is characterized in that: the bottom of described battery core and ring-shaped grooveInner surface and the inner surface contact of diapire.
7. lithium battery as claimed in claim 5, is characterized in that: described ring-shaped groove and annular protrusion edgeThe cross sectional shape of the plane at described central shaft place is arc.
8. lithium battery as claimed in claim 5, is characterized in that: described ring-shaped groove and annular protrusion edgeThe cross sectional shape of the plane at described central shaft place or rectangle, triangle or trapezoidal.
9. lithium battery as claimed in claim 5, is characterized in that: the height 1 to 2 of described annular protrusionMillimeter, the spacing between annular protrusion is 0.5 to 1 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521107568.XU CN205248320U (en) | 2015-12-27 | 2015-12-27 | Lithium battery shell and lithium cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521107568.XU CN205248320U (en) | 2015-12-27 | 2015-12-27 | Lithium battery shell and lithium cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205248320U true CN205248320U (en) | 2016-05-18 |
Family
ID=55947396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521107568.XU Expired - Fee Related CN205248320U (en) | 2015-12-27 | 2015-12-27 | Lithium battery shell and lithium cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205248320U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108336267A (en) * | 2017-01-20 | 2018-07-27 | Tdk株式会社 | Accumulator |
| CN109473584A (en) * | 2018-11-19 | 2019-03-15 | 苏州银禧新能源复合材料有限公司 | Battery box cover and its moulding process |
| CN110391483A (en) * | 2017-07-31 | 2019-10-29 | 威茨曼有限公司 | The method of temperature control device and the temperature for controlling electrical module |
| CN110429345A (en) * | 2019-08-05 | 2019-11-08 | 安徽相源新能源有限公司 | A kind of polymer lithium battery core and its manufacturing method |
| CN113871763A (en) * | 2021-09-27 | 2021-12-31 | 远景动力技术(江苏)有限公司 | Cylindrical battery case, cylindrical battery, and cylindrical battery mounting method |
| CN114342155A (en) * | 2019-10-25 | 2022-04-12 | 翰昂汽车零部件有限公司 | High performance uniform temperature cold plate |
| CN115275456A (en) * | 2022-08-24 | 2022-11-01 | 广州小鹏汽车科技有限公司 | Battery and battery packaging method |
-
2015
- 2015-12-27 CN CN201521107568.XU patent/CN205248320U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108336267A (en) * | 2017-01-20 | 2018-07-27 | Tdk株式会社 | Accumulator |
| CN110391483A (en) * | 2017-07-31 | 2019-10-29 | 威茨曼有限公司 | The method of temperature control device and the temperature for controlling electrical module |
| CN109473584A (en) * | 2018-11-19 | 2019-03-15 | 苏州银禧新能源复合材料有限公司 | Battery box cover and its moulding process |
| CN110429345A (en) * | 2019-08-05 | 2019-11-08 | 安徽相源新能源有限公司 | A kind of polymer lithium battery core and its manufacturing method |
| CN114342155A (en) * | 2019-10-25 | 2022-04-12 | 翰昂汽车零部件有限公司 | High performance uniform temperature cold plate |
| CN113871763A (en) * | 2021-09-27 | 2021-12-31 | 远景动力技术(江苏)有限公司 | Cylindrical battery case, cylindrical battery, and cylindrical battery mounting method |
| CN113871763B (en) * | 2021-09-27 | 2024-03-01 | 远景动力技术(江苏)有限公司 | Cylindrical battery case, cylindrical battery, and method for mounting cylindrical battery |
| CN115275456A (en) * | 2022-08-24 | 2022-11-01 | 广州小鹏汽车科技有限公司 | Battery and battery packaging method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170316 Address after: 714000 Shaanxi high tech Zone in Weinan City, Qin Yu Lu No. 2 Patentee after: Shaanxi Voight new energy Co., Ltd. Address before: 518000 Guangdong Province, Shenzhen City Pingshan Pingshan community Zhu Keng Industrial Zone 9 1-3 Patentee before: Shenzhen Optimum Battery Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20180428 Granted publication date: 20160518 |
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| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210428 Granted publication date: 20160518 |
|
| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20191227 |
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| CF01 | Termination of patent right due to non-payment of annual fee |