CN214099731U - Naked electric core of power lithium cell of bipolar ear structure - Google Patents
Naked electric core of power lithium cell of bipolar ear structure Download PDFInfo
- Publication number
- CN214099731U CN214099731U CN202023114302.1U CN202023114302U CN214099731U CN 214099731 U CN214099731 U CN 214099731U CN 202023114302 U CN202023114302 U CN 202023114302U CN 214099731 U CN214099731 U CN 214099731U
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- China
- Prior art keywords
- electric core
- naked electric
- core body
- explosion
- proof layer
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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.)
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 27
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 238000004880 explosion Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 210000004027 cell Anatomy 0.000 description 13
- 210000005056 cell body Anatomy 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
-
- 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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- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model belongs to the technical field of lithium batteries, in particular to a naked electric core of a power lithium battery with a bipolar ear structure, which comprises a naked electric core body and an explosion-proof layer, wherein a short polar ear is arranged in the middle of the inner cavity of the naked electric core body, a long polar ear is arranged on the left side of the naked electric core body, a negative polar plate is arranged on the bottom of the naked electric core body, a positive polar plate is arranged on the right side of the bottom of the naked electric core body, the explosion-proof layer is arranged on the outer wall of the naked electric core body, the moisture-proof layer is arranged on the outer wall of the explosion-proof layer, the outer wall of the moisture-proof layer is provided with an armor layer, the structure is reasonable, the explosion-proof performance of the device is improved by arranging the explosion-proof layer on the outer wall of the naked electric core body, the danger caused by the explosion of the battery is prevented, the moisture-proof performance of the device is improved by arranging the moisture-proof layer on the outer wall of the explosion-proof layer, the device is prevented from being affected by the damp and damaged, and the service life of the device is prolonged, the armor layer is arranged on the outer wall of the moisture-proof layer, so that compression deformation is prevented, and the quality of the device is improved.
Description
Technical Field
The utility model relates to a lithium cell technical field specifically is a naked electric core of power lithium cell of bipolar ear structure.
Background
In recent years, the application field of the lithium ion battery is continuously widened due to the advantages of high working voltage, large energy density, no memory effect, long cycle life, no pollution and the like, and meanwhile, the performance requirements on all aspects of the lithium ion battery are continuously improved. With the application of lithium batteries in daily life, people gradually understand and confirm the superiority of lithium batteries relative to batteries of other systems, and the requirements and expectations for lithium batteries are gradually increased. Originally, capacity lithium batteries have been widely used in portable electronic devices such as mobile phones, notebook computers, and digital cameras, and power lithium batteries that discharge with high current and high rate are also used in electronic devices that are inseparable from people's production and life, such as electric tools, battery cars, and mining lamps.
The naked electric core of power lithium cell of a present bipolar ear structure has some not enoughly in the in-process that uses, for example dampproofing explosion-proof performance is relatively poor, leads to the security lower, and life is shorter, for this we propose the naked electric core of power lithium cell of a novel bipolar ear structure and solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.
The problem that exists in the naked electric core of power lithium cell in view of current bipolar ear structure has provided the utility model discloses.
Therefore, the utility model aims at providing a naked electric core of power lithium cell of bipolar ear structure can realize the in-process that uses, and the security is higher, and life is longer.
For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:
the utility model provides a naked electric core of power lithium cell of bipolar ear structure, its includes naked electric core body and explosion-proof layer, be provided with short utmost point ear in the middle of the inner chamber of naked electric core body, the left side of naked electric core body is provided with long utmost point ear, the bottom of naked electric core body is provided with negative electrode piece, the bottom right side of naked electric core body is provided with positive electrode piece, the outer wall of naked electric core body is provided with the explosion-proof layer, the outer wall of explosion-proof layer is provided with the dampproof course, the outer wall of dampproof course is provided with the armor.
As a preferred scheme of the naked electric core of power lithium cell of bipolar ear structure, wherein: the long tab is made of a copper sheet; the short tabs are made of nickel-plated copper sheets.
As a preferred scheme of the naked electric core of power lithium cell of bipolar ear structure, wherein: and the long lug and the short lug are fixed in a direct current spot welding mode.
As a preferred scheme of the naked electric core of power lithium cell of bipolar ear structure, wherein: and two ends of the negative electrode plate are respectively connected with the long pole lug and the short pole lug.
As a preferred scheme of the naked electric core of power lithium cell of bipolar ear structure, wherein: and heat dissipation holes are formed in the surface of the armor layer.
Compared with the prior art, the beneficial effects of the utility model are that: through the setting of the naked electric core of power lithium cell of this bipolar ear structure, structural design is reasonable, be provided with the explosion-proof coating through the outer wall at naked electric core body, the explosion-proof performance of device has been improved, prevent that the battery explosion from causing danger, the outer wall through explosion-proof coating is provided with the dampproof course, the humidity resistance of device has been improved, prevent that the device from weing the damage, the life of device has been prolonged, be provided with the armor through the outer wall at the dampproof course, the structural strength of device has been improved, prevent to receive the compressive deformation, the quality of device has been improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the top view structure of the present invention.
In the figure; 100 naked electric core body, 110 long utmost point ear, 120 short utmost point ear, 130 negative electrode pieces, 140 positive electrode pieces, 200 explosion-proof layers, 210 dampproof course, 220 armor.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
The utility model provides a following technical scheme: a bare electric core of a power lithium battery with a bipolar lug structure has higher safety and longer service life in the using process;
referring to fig. 1 and 2, the battery pack includes a bare cell body 100 and an explosion-proof layer 200, a short tab 120 is disposed in the middle of an inner cavity of the bare cell body 100, a long tab 110 is disposed on the left side of the bare cell body 100, a negative electrode plate 130 is disposed at the bottom of the bare cell body 100, a positive electrode plate 140 is disposed on the right side of the bottom of the bare cell body 100, the explosion-proof layer 200 is disposed on the outer wall of the bare cell body 100, a moisture-proof layer 210 is disposed on the outer wall of the explosion-proof layer 200, and an armor layer 220 is disposed on the outer wall of the moisture-proof layer 210;
specifically, the welding has short utmost point ear 120 in the middle of naked electric core body 100's the inner chamber, the welding has long utmost point ear 110 in naked electric core body 100's left side, negative electrode sheet 130 is welded in naked electric core body 100's bottom, positive electrode sheet 140 is welded on naked electric core body 100's bottom right side, naked electric core body 100's outer wall bonds and has explosion-proof layer 200, explosion-proof layer 200's outer wall bonds and has dampproof course 210, dampproof course 210's outer wall bonds and has armor 220
Referring to fig. 1 and 2 again, the long tab 110 is made of a copper sheet; the short tab 120 is made of a nickel-plated copper sheet.
Referring to fig. 1 and 2 again, the long tab 110 and the short tab 120 are fixed by means of dc spot welding.
Referring to fig. 1 and 2 again, both ends of the negative electrode tab 130 are connected to the long tab 110 and the short tab 120, respectively.
Referring to fig. 1 and fig. 2 again, the surface of the armor layer 220 is provided with heat dissipation holes.
The working principle is as follows: the utility model discloses an in-process, be provided with explosion-proof layer 200 through the outer wall at naked electric core body 100, the explosion-proof performance of device has been improved, prevent that battery explosion from causing danger, outer wall through explosion-proof layer 200 is provided with dampproof course 210, the moisture resistance of device has been improved, prevent that the device from damaging by making damp, the life of device has been prolonged, be provided with armor 220 through the outer wall at dampproof course 210, the structural strength of device has been improved, prevent to receive the compressive deformation, the quality of device has been improved.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. The utility model provides a naked electric core of power lithium cell of bipolar ear structure which characterized in that: including naked electric core body (100) and explosion-proof layer (200), be provided with short utmost point ear (120) in the middle of the inner chamber of naked electric core body (100), the left side of naked electric core body (100) is provided with long utmost point ear (110), the bottom of naked electric core body (100) is provided with negative electrode piece (130), the bottom right side of naked electric core body (100) is provided with positive electrode piece (140), the outer wall of naked electric core body (100) is provided with explosion-proof layer (200), the outer wall of explosion-proof layer (200) is provided with dampproof course (210), the outer wall of dampproof course (210) is provided with armor (220).
2. The bare cell of the power lithium battery with the bipolar lug structure according to claim 1, wherein: the long tab (110) is made of a copper sheet; the short tabs (120) are made of nickel-plated copper sheets.
3. The bare cell of the power lithium battery with the bipolar lug structure according to claim 1, wherein: the long tab (110) and the short tab (120) are fixed in a direct current spot welding mode.
4. The bare cell of the power lithium battery with the bipolar lug structure according to claim 1, wherein: and two ends of the negative electrode plate (130) are respectively connected with the long pole lug (110) and the short pole lug (120).
5. The bare cell of the power lithium battery with the bipolar lug structure according to claim 1, wherein: the surface of the armor layer (220) is provided with heat dissipation holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023114302.1U CN214099731U (en) | 2020-12-22 | 2020-12-22 | Naked electric core of power lithium cell of bipolar ear structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023114302.1U CN214099731U (en) | 2020-12-22 | 2020-12-22 | Naked electric core of power lithium cell of bipolar ear structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214099731U true CN214099731U (en) | 2021-08-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023114302.1U Expired - Fee Related CN214099731U (en) | 2020-12-22 | 2020-12-22 | Naked electric core of power lithium cell of bipolar ear structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214099731U (en) |
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2020
- 2020-12-22 CN CN202023114302.1U patent/CN214099731U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210831 |