CN213340587U - High-energy-density square aluminum shell lithium ion battery - Google Patents
High-energy-density square aluminum shell lithium ion battery Download PDFInfo
- Publication number
- CN213340587U CN213340587U CN202022762969.6U CN202022762969U CN213340587U CN 213340587 U CN213340587 U CN 213340587U CN 202022762969 U CN202022762969 U CN 202022762969U CN 213340587 U CN213340587 U CN 213340587U
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- Prior art keywords
- lithium ion
- ion battery
- aluminum
- main part
- main body
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 64
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 64
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 39
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- 229910021389 graphene Inorganic materials 0.000 claims description 16
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 12
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 239000002826 coolant Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 239000010410 layer Substances 0.000 abstract description 29
- 239000011241 protective layer Substances 0.000 abstract description 5
- 230000009977 dual effect Effects 0.000 abstract description 4
- 230000002633 protecting effect Effects 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract description 2
- 229910002804 graphite Inorganic materials 0.000 abstract 2
- 239000010439 graphite Substances 0.000 abstract 2
- -1 graphite alkene Chemical class 0.000 abstract 2
- 230000017525 heat dissipation Effects 0.000 description 6
- 238000007599 discharging Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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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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- Secondary Cells (AREA)
Abstract
The utility model discloses a belong to lithium ion battery technical field, specifically be a square aluminum hull lithium ion battery of high energy density, it includes: main part, graphite alkene film, shockproof layer, controller and second aluminum hull, temperature sensor is installed to main part inner wall bottom, main part internally mounted has two utmost points ear, the utmost point ear top runs through the main part top, main part externally mounted has the negative pole, negative pole externally mounted has the diaphragm, diaphragm externally mounted has the positive pole, positive externally mounted has graphite alkene film, this square aluminum hull lithium ion battery of high energy density not only is provided with the shock-resistant structure, prevents that external force striking from damaging the main part, and the security performance is higher, installs temperature-sensing device and pressure sensing device moreover, avoids the main part to last work under high temperature state, when the aluminum hull takes place deformation, in time reminds the user to notice safety in utilization, installs dual aluminum hull protective layer simultaneously, and the protecting effect is better.
Description
Technical Field
The utility model relates to a lithium ion battery technical field specifically is a square aluminum hull lithium ion battery of high energy density.
Background
A battery refers to a device that converts chemical energy into electrical energy in a portion of the space of a cup, tank, or other container or composite container that holds an electrolyte solution and metal electrodes to produce an electrical current. With the increasing market demand, the energy density of lithium ion batteries is also higher and higher. The cylindrical battery is used as a lithium ion battery, due to structural factors, the improvement of the energy density of the cylindrical battery is limited, and the number of pack modules formed by single batteries is large, so that the performances of heat dissipation, voltage and the like of a single battery cell cannot be accurately monitored, and certain potential safety hazards exist in the whole module. And square lithium ion battery is as a high energy density's battery, the monomer electric core quantity that needs to form the pack module is less than the cylinder battery far away, therefore the component mode of module is simpler, and can the effectual heat dissipation of single electric core of monitoring, data such as voltage, improve the security performance of whole module, but present square aluminum hull lithium ion battery of high energy density only is provided with the individual layer aluminum hull protective layer usually, the protective properties is not high, also do not have shock-resistant structure, can't protect the main part when external force striking and avoid damaging, and do not have temperature-sensing device, the main part is long-time to work under high temperature state, and service life reduces, dangerousness increases, do not have the pressure-sensitive device simultaneously, when the aluminum hull takes place to swell deformation, can't in time remind the.
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 present invention has been made in view of the above and/or other problems associated with the prior art square aluminum-shell lithium ion batteries.
Therefore, the utility model aims at providing a square aluminum hull lithium ion battery of high energy density not only is provided with anti-seismic structure, prevents that external impact from damaging the main part, and the security performance is higher, installs temperature-sensing device and pressure sensing device moreover, avoids the main part to last work under high temperature state, when the aluminum hull takes place deformation, in time reminds the user to notice safe in utilization, installs dual aluminum hull protective layer simultaneously, and the protecting effect is better.
For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:
a high energy density square aluminum case lithium ion battery comprising: the novel anti-vibration electric heating cable comprises a main body, a graphene film, an anti-vibration layer, a controller and a second aluminum shell, wherein a temperature sensor is installed at the bottom end of the inner wall of the main body, two tabs are installed inside the main body, the top end of each tab runs through the top end of the main body, a negative electrode is installed outside the main body, a diaphragm is installed outside the negative electrode, an anode is installed outside the diaphragm, the graphene film is installed outside the anode, an anti-vibration layer is installed outside the graphene film, elastic parts are filled inside the anti-vibration layer, a first aluminum shell is installed outside the anti-vibration layer, pressure sensors are installed on two sides of the outer wall of the first aluminum shell, a control groove is installed at the bottom end of the outer wall of the first aluminum shell, the controller and an alarm are installed on two sides of the.
As the utility model discloses a square aluminum hull lithium ion battery's of high energy density preferred scheme, wherein: and an insulating gasket is arranged on the side wall of the lug, and the insulating gasket is positioned at the joint of the lug and the top end of the main body.
As the utility model discloses a square aluminum hull lithium ion battery's of high energy density preferred scheme, wherein: the waterproof layer is installed to the control tank inner wall, the waterproof layer is made for the polyurethane material.
As the utility model discloses a square aluminum hull lithium ion battery's of high energy density preferred scheme, wherein: and a cooling liquid layer is arranged in the second aluminum shell and is made of ethylene glycol.
As the utility model discloses a square aluminum hull lithium ion battery's of high energy density preferred scheme, wherein: and a label sticker is installed on one side of the outer wall of the second aluminum shell and is made of a fluorescent material.
Compared with the prior art: when the lithium ion battery is used specifically, a complete loop is formed by the anode and the cathode to provide charging and discharging functions, when the lithium ion battery is charged, lithium ions enter the anode from the cathode through the diaphragm, when the lithium ion battery is discharged, the lithium ions enter the cathode from the anode through the diaphragm, heat brought by charging and discharging work is sensed through the temperature sensor, when the temperature is too high, the diaphragm stops transmission among the lithium ions, the heat is absorbed through the graphene film to improve the heat dissipation efficiency, after the temperature is reduced, the diaphragm channel is opened, the lithium ions are transmitted, when the lithium ion battery is impacted by external force, the external force is prevented from being directly acted on the main body through the elastic piece, so that the main body is damaged, whether the first aluminum shell is bulged and deformed through double protection of the first aluminum shell and the second aluminum shell is sensed through the pressure sensor, when the pressure sensor senses a numerical value, the controller controls the alarm to give an alarm, remind the user to notice safe in utilization, this square aluminum hull lithium ion battery of high energy density not only is provided with the antidetonation structure, prevents that external impact from damaging the main part, and the security performance is higher, installs temperature-sensing device and pressure sensing device moreover, avoids the main part to last work under high temperature state, when the aluminum hull takes place deformation, in time reminds the user to notice safe in utilization, installs dual aluminum hull protective layer simultaneously, and the protection effect is better.
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 cross-sectional view of the present invention;
fig. 2 is a front view of the present invention.
In the figure: 100 main parts, 110 temperature sensors, 120 tabs, 130 cathodes, 140 separators, 150 anodes, 160 first aluminum shells, 170 pressure sensors, 180 insulating gaskets, 190 label stickers, 200 graphene films, 300 shockproof layers, 310 elastic pieces, 400 control grooves, 410 controllers, 420 alarms, 430 waterproof layers, 500 second aluminum shells and 510 cooling liquid layers.
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 square aluminum hull lithium ion battery of high energy density not only is provided with anti-seismic structure, prevents that external impact from damaging the main part, and the security performance is higher, installs temperature-sensing device and pressure sensing device moreover, avoids the main part to last work under high temperature state, when the aluminum hull takes place deformation, in time reminds the user to notice safe in utilization, installs dual aluminum hull protective layer simultaneously, and the protection effect is better, please refer to and draw together figure 1 and figure 2, include: the graphene film comprises a main body 100, a graphene film 200, a shockproof layer 300, a controller 410 and a second aluminum case 500;
referring to fig. 1 and 2 again, the temperature sensor 110 is installed at the bottom end of the inner wall of the main body 100, two tabs 120 are installed inside the main body 100, the top ends of the tabs 120 penetrate through the top end of the main body 100, the negative electrode 130 is installed outside the main body 100, the diaphragm 140 is installed outside the negative electrode 130, the positive electrode 150 is installed outside the diaphragm 140, the graphene film 200 is installed outside the positive electrode 150, the shockproof layer 300 is installed outside the graphene film 200, the elastic member 310 is filled inside the shockproof layer 300, the first aluminum shell 160 is installed outside the shockproof layer 300, the pressure sensors 170 are installed on two sides of the outer wall of the first aluminum shell 160, the control slot 400 is installed at the bottom end of the outer wall of the first aluminum shell 160, the controller 410 and the alarm 420 are installed on two sides of the inner wall of the control slot 400, and the second aluminum shell 500 is installed outside the first aluminum, specifically, the bottom end of the inner wall of the main body 100 is bolted with the temperature sensor 110, two tabs 120 are embedded in the main body 100, the top ends of the tabs 120 penetrate through the top end of the main body 100, the outer part of the main body 100 is bonded with the negative electrode 130, the outer part of the negative electrode 130 is bonded with the diaphragm 140, the outer part of the diaphragm 140 is bonded with the positive electrode 150, the outer part of the positive electrode 150 is bonded with the graphene film 200, the outer part of the graphene film 200 is bonded with the shockproof layer 300, the shockproof layer 300 is filled with the elastic member 310, the outer part of the shockproof layer 300 is bonded with the first aluminum shell 160, two sides of the outer wall of the first aluminum shell 160 are bolted with the pressure sensor 170, the bottom end of the outer wall of the first aluminum shell 160 is bolted with the control groove 400, two sides of the inner wall of the control groove 400 are respectively bolted with the controller 410 and the alarm 420, the main body 100 is used for providing a space for accommodating electrolyte liquid and the tab 120, the tab 120 is used for attracting the anode 150 and the cathode 130, the separator 140 is used for providing a channel for connecting the anode 150 and the cathode 130, the anode 150 is used for gathering positive charges, the cathode 130 is used for gathering negative charges, the graphene film 200 is used for providing a heat dissipation function and increasing heat dissipation efficiency, the anti-vibration layer 300 is used for providing a space for accommodating the elastic member 310, the elastic member 310 is used for absorbing external force and preventing the main body 100 from being damaged, the first aluminum shell 160 and the second aluminum shell 500 are both used for providing a protection function, the pressure sensor 170 is used for sensing pressure generated by bulging deformation of the first aluminum shell 160, and the control slot 400 is used for providing a space for accommodating the controller 410 and the alarm 420.
When the lithium ion battery is used specifically, a complete loop is formed by the anode 150 and the cathode 130 to provide charging and discharging functions, when charging is performed, lithium ions enter the anode 150 from the cathode 130 through the diaphragm 140, when discharging is performed, lithium ions enter the cathode 130 from the anode 150 through the diaphragm 140, heat caused by charging and discharging operations is sensed by the temperature sensor 110, when the temperature is too high, the diaphragm 140 stops transmission of lithium ions, heat is absorbed by the graphene film 200 to improve the heat dissipation efficiency, after the temperature is reduced, the passage of the diaphragm 140 is opened, lithium ions are transmitted, when the lithium ions are impacted by external force, the external force is prevented from being directly acted on the main body 100 by the elastic member 310, so that the main body 100 is damaged, the first aluminum shell 160 and the second aluminum shell 500 are used for double protection, whether the first aluminum shell 160 is subjected to bulging deformation is sensed by the pressure sensor 170, when the pressure sensor 170 senses a numerical value, the controller 410 controls the alarm 420 to give an alarm to remind the user of safety.
Referring to fig. 1 and 2 again, an insulating spacer 180 is installed on the side wall of the tab 120, and the insulating spacer 180 is located at the joint of the tab 120 and the top end of the main body 100, specifically, the side wall of the tab 120 is bonded with the insulating spacer 180, and the insulating spacer 180 is located at the joint of the tab 120 and the top end of the main body 100, and the insulating spacer 180 is used for preventing the short circuit occurring when the positive electrode 150 and the negative electrode 130 are contacted.
Referring to fig. 1 and 2 again, a waterproof layer 430 is installed on an inner wall of the control groove 400, the waterproof layer 430 is made of polyurethane, specifically, the waterproof layer 430 is bonded to the inner wall of the control groove 400, the waterproof layer 430 is made of polyurethane, and the waterproof layer 430 is used for preventing moisture from corroding the inside of the main body 100.
Referring to fig. 1 and fig. 2 again, a coolant layer 510 is installed inside the second aluminum shell 500, the coolant layer 510 is made of ethylene glycol, and specifically, the coolant layer 510 is installed inside the second aluminum shell 500, and the coolant layer 510 is made of ethylene glycol and is used for absorbing heat to provide a cooling function for the main body 100.
Referring to fig. 1 and 2 again, a label sticker 190 is installed on one side of the outer wall of the second aluminum case 500, the label sticker 190 is made of a fluorescent material, specifically, the label sticker 190 is bonded and connected to one side of the outer wall of the second aluminum case 500, the label sticker 190 is made of a fluorescent material, and the label sticker 190 is used for distinguishing different types of main bodies.
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. A high energy density square aluminum case lithium ion battery comprising: the novel anti-vibration device comprises a main body (100), a graphene film (200), an anti-vibration layer (300), a controller (410) and a second aluminum shell (500), wherein a temperature sensor (110) is installed at the bottom end of the inner wall of the main body (100), two tabs (120) are installed inside the main body (100), the top ends of the tabs (120) penetrate through the top end of the main body (100), a negative electrode (130) is installed outside the main body (100), a diaphragm (140) is installed outside the negative electrode (130), a positive electrode (150) is installed outside the diaphragm (140), the graphene film (200) is installed outside the positive electrode (150), the anti-vibration layer (300) is installed outside the graphene film (200), an elastic piece (310) is filled inside the anti-vibration layer (300), a first aluminum shell (160) is installed outside the anti-vibration layer (300), and a pressure sensor (170) is installed on two sides of the outer, control groove (400) are installed to first aluminum hull (160) outer wall bottom, controller (410) and alarm (420) are installed respectively to control groove (400) inner wall both sides, first aluminum hull (160) and control groove (400) externally mounted have second aluminum hull (500).
2. The high energy density prismatic aluminum shell lithium ion battery of claim 1, wherein said tab (120) has an insulating spacer (180) mounted on the side wall, and said insulating spacer (180) is located at the junction of the tab (120) and the top end of the main body (100).
3. The high energy density square aluminum-shell lithium ion battery according to claim 1, wherein a waterproof layer (430) is installed on the inner wall of the control groove (400), and the waterproof layer (430) is made of polyurethane.
4. The high energy density square aluminum-shell lithium ion battery according to claim 1, wherein a coolant layer (510) is installed inside the second aluminum shell (500), and the coolant layer (510) is made of ethylene glycol.
5. The square aluminum-shell lithium ion battery with high energy density as claimed in claim 1, wherein a label (190) is mounted on one side of the outer wall of the second aluminum shell (500), and the label (190) is made of fluorescent material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022762969.6U CN213340587U (en) | 2020-11-25 | 2020-11-25 | High-energy-density square aluminum shell lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022762969.6U CN213340587U (en) | 2020-11-25 | 2020-11-25 | High-energy-density square aluminum shell lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213340587U true CN213340587U (en) | 2021-06-01 |
Family
ID=76078668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022762969.6U Expired - Fee Related CN213340587U (en) | 2020-11-25 | 2020-11-25 | High-energy-density square aluminum shell lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213340587U (en) |
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2020
- 2020-11-25 CN CN202022762969.6U patent/CN213340587U/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: 20210601 |