CN111370602A - Sealed safety combined lithium battery cap - Google Patents
Sealed safety combined lithium battery cap Download PDFInfo
- Publication number
- CN111370602A CN111370602A CN202010118500.0A CN202010118500A CN111370602A CN 111370602 A CN111370602 A CN 111370602A CN 202010118500 A CN202010118500 A CN 202010118500A CN 111370602 A CN111370602 A CN 111370602A
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- China
- Prior art keywords
- wall
- explosion
- ring
- lithium battery
- cap
- 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.)
- Pending
Links
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 77
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 238000007789 sealing Methods 0.000 claims abstract description 62
- 229910052782 aluminium Inorganic materials 0.000 claims description 22
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 22
- 230000000994 depressogenic effect Effects 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 10
- 239000003792 electrolyte Substances 0.000 abstract description 8
- 230000002708 enhancing effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 210000004027 cell Anatomy 0.000 description 32
- 238000004880 explosion Methods 0.000 description 8
- 238000002955 isolation Methods 0.000 description 8
- 230000001965 increasing effect Effects 0.000 description 4
- 230000001737 promoting effect Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
- H01M50/152—Lids or covers characterised by their shape for cells having curved cross-section, e.g. round or elliptic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
- H01M2200/10—Temperature sensitive devices
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a sealed safety combined lithium battery cap which comprises a shell, wherein a snap ring is inserted into the shell, a bottom cover is connected to the inner wall of the bottom end of the shell in a threaded manner, a rubber pad is bonded to the inner wall of the bottom cover, a second sealing ring is bonded to the outer wall of the top of the bottom cover, a first sealing ring, a cap top, a thermistor ring and an explosion-proof sheet are inserted between the inner wall of the top of the snap ring and the outer wall of the top of the second sealing ring, and a groove in an annular structure is formed in the concave position of the outer wall of the top of the explosion-proof sheet. The invention can ensure that the electrolyte in the lithium battery is not easy to flow out, and when any one of the first sealing ring and the second sealing ring is damaged, the other sealing ring can normally play a sealing role, thereby being beneficial to enhancing the sealing effect of the lithium battery.
Description
Technical Field
The invention relates to the technical field of lithium batteries, in particular to a sealed safety combined lithium battery cap.
Background
Lithium batteries are a type of batteries which use a nonaqueous electrolyte solution and use lithium metal or lithium alloy as a negative electrode material, and the lithium batteries are increasingly widely used due to the advantages of high specific energy, large specific power, long cycle life and no toxic substances.
At present, when the internal voltage of current lithium cell is too big, deformation can take place for the rupture disk, can extrude the sealing washer, causes deformation, the damage of sealing washer, and then leads to the electrolyte in the lithium cell to reveal, leads to the lithium cell can not normal use, can endanger user health safety, consequently, need to design a sealed safe combination lithium cell cap and solve above-mentioned problem urgently.
Disclosure of Invention
The invention aims to solve the defect that a sealing ring is damaged due to short circuit of a lithium battery and deformation of an explosion-proof sheet caused by overlarge current of the conventional lithium battery in the prior art, and provides a sealed safety combined lithium battery cap.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a sealed safety combination lithium cell cap, includes the shell, the inside snap ring that pegs graft of shell, threaded connection has the bottom on the inner wall of shell bottom, and bonds on the bottom inner wall has the rubber pad, it has the second sealing washer to bond on the outer wall of bottom top, it has first sealing washer, crown of a hat, thermistor ring and explosion proof piece by last distributed in proper order to peg graft between snap ring top inner wall and the second sealing washer top outer wall, and explosion proof piece top outer wall depressed place offers the recess that is the loop configuration.
The key concept of the technical scheme is as follows: first sealing washer and the second sealing washer that sets up, can provide dual guarantee for the leakproofness of lithium cell, make the electrolyte in the lithium cell be difficult for flowing out, and first sealing washer and second sealing washer are when damaging arbitrary one, another can both normally play sealed effect, be favorable to strengthening the sealed effect of lithium cell, prevent the inside electrolyte leakage of lithium cell, when the increase of battery internal pressure, when the temperature risees, the resistance of thermistor ring will step nature increase, then block the circulation of battery internal current, the security when further promoting the lithium cell and using.
Furthermore, the outer wall of the side surface of the crown is provided with exhaust holes distributed in an equidistant structure, and a protective net is bonded inside the exhaust holes.
Furthermore, an aluminum sheet is welded on the outer wall of the bottom of the explosion-proof sheet, and air holes distributed in an equidistant structure are formed in the outer wall of the bottom of the aluminum sheet.
Furthermore, a cavity is reserved between the second sealing ring and the explosion-proof sheet, an insulating pad is sleeved outside the aluminum sheet, and the insulating pad is inserted inside the cavity.
Furthermore, an isolation pad is bonded at the groove of the outer wall of the top of the insulation pad, and the outer wall of the top of the isolation pad is attached to the outer wall of the bottom of the explosion-proof sheet.
Furthermore, the welding of shell inside has the fender ring, and the snap ring laminates with keeping off the ring mutually.
The invention has the beneficial effects that:
1. through the first sealing washer and the second sealing washer that set up, can provide dual guarantee for the leakproofness of lithium cell for electrolyte in the lithium cell is difficult for flowing out, and first sealing washer and second sealing washer are when damaging arbitrary one moreover, and another can both normally play sealed effect, are favorable to strengthening the sealed effect of lithium cell, prevent that the inside electrolyte of lithium cell from leaking.
2. Through the thermistor ring that sets up, pressure increase in the battery, during the temperature risees, the resistance of thermistor ring will the step nature increase, then blocks the circulation of battery internal current, security when further promoting the lithium cell and using.
3. Through the recess that sets up, can produce gas when gradually increasing in the battery for explosion-proof piece is from the groove fracture, makes gas exhaust hole discharge from the crown of a hat again through the through-hole of thermistor ring, realizes lithium cell short circuit outage automatic protection.
Drawings
Fig. 1 is a front view of a sealed safety assembled lithium battery cap according to the present invention;
fig. 2 is a front sectional view of a sealed safety assembled lithium battery cap according to the present invention;
fig. 3 is a top view of a sealed safety assembled lithium battery cap according to the present invention.
In the figure: the anti-explosion cap comprises a bottom cover 1, a shell 2, a cap top 3, vent holes 4, a protective screen 5, a baffle ring 6, a snap ring 7, a first sealing ring 8, a thermistor ring 9, a second sealing ring 10, a rubber pad 11, an insulating pad 12, an isolating pad 13, an aluminum sheet 14, vent holes 15, a groove 16, an explosion-proof sheet 17 and a cavity 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1 to 3 simultaneously, a sealed safety combined lithium battery cap comprises a housing 2 for mounting cap parts such as an explosion-proof sheet 17, a snap ring 7 is inserted into the housing 2 and is matched with a baffle ring 6 to prevent the parts inside the housing 2 from falling off from the housing 2, a bottom cover 1 is connected to the inner wall of the bottom end of the housing 2 in a threaded manner and is used for preventing the parts such as a second sealing ring 10 from being separated from the housing 2, a rubber gasket 11 is bonded to the inner wall of the bottom cover 1 and is used for tightly bonding the cap to the outer wall of a lithium battery body through the rubber gasket 11, a second sealing ring 10 is bonded to the outer wall of the top of the bottom cover 1, a first sealing ring 8 and a second sealing ring 10 are capable of enhancing the sealing effect of a lithium battery, and when any one of the first sealing ring 8 and the second sealing ring 10 is damaged, the other can normally play a sealing role, and a first sealing ring 8 which is sequentially distributed from top to bottom is inserted between the inner The cap top 3, thermistor ring 9 and explosion-proof piece 17, thermistor ring 9 can increase the resistance value when the increase of battery internal pressure, and then block the circulation of electric current in the battery, thereby security when promoting the lithium cell use, explosion-proof piece 17 is used for preventing the lithium cell explosion, and explosion-proof piece 17 top outer wall depressed part offers the recess 16 that is the loop configuration, can be in the inside gaseous gradual increase time that produces of battery, make explosion-proof piece 17 fracture from recess 16, make gaseous through the through-hole of thermistor ring 9 discharge from exhaust hole 3 on the cap top 3 again, realize lithium cell short circuit outage automatic protection.
As apparent from the above description, the present invention has the following advantageous effects: the first sealing ring 8 and the second sealing ring 10 are arranged, so that double guarantee can be provided for the sealing performance of the lithium battery, the electrolyte in the lithium battery is not easy to flow out, and when any one of the first sealing ring 8 and the second sealing ring 10 is damaged, the other one can normally play a sealing role, so that the sealing effect of the lithium battery is enhanced; through the thermistor ring 9 that sets up, when the pressure increase in the battery, during the temperature rose, the resistance of thermistor ring 9 will the step nature increase, then blocks the circulation of battery internal current, security when further promoting the lithium cell and using.
Further, set up the exhaust hole 4 that is equidistance structure subsection on the 3 side outer walls of crown for the gaseous and the thermal diffusivity of reinforcing lithium cell that produce in the discharge lithium cell, and exhaust hole 4 is inside bonds and has protection network 5, prevents inside debris get into the lithium cell through exhaust hole 4, influences lithium cell work.
Further, the aluminum sheet 14 is welded on the outer wall of the bottom of the explosion-proof sheet 17, so that the cap is connected with the lithium battery body, the assembled lithium battery is normally powered, the air holes 15 distributed in an equidistant structure are formed in the outer wall of the bottom of the aluminum sheet 14, gas generated inside the battery is timely discharged when the lithium battery is abnormal, and the possibility of battery explosion is reduced.
Further, a cavity 18 is reserved between the second sealing ring 10 and the explosion-proof sheet 17 and used for installing the insulating pad 12, the insulating pad 12 is sleeved outside the aluminum sheet 14, the insulating pad 12 can avoid continuous touch and connection of the aluminum sheet 14 and the explosion-proof sheet 17 in other areas after contact is broken, the lithium battery is prevented from being continuously electrified, and the insulating pad 12 is inserted into the cavity 18.
Further, the isolation pad 13 is bonded at the groove of the outer wall of the top of the insulating pad 12, when the air pressure inside the battery is increased, the explosion-proof sheet 17 is disconnected from the aluminum sheet 14, and the explosion-proof sheet is far away from the aluminum sheet 14 under the action of the isolation pad 13, so that the adhesion of the explosion-proof sheet 17 and the aluminum sheet 14 due to the current generated when the lithium battery is continuously used is avoided, the risk is reduced, and the outer wall of the top of the isolation pad 13 is attached to the outer wall of the bottom of the explosion-proof sheet 17.
Further, the shell 2 is internally welded with a baffle ring 6 for preventing parts such as a snap ring 7 and a crown 3 which are arranged inside the shell 2 from falling off from the shell 2, and the snap ring 7 is attached to the baffle ring 6.
By adopting the groove 16 arranged above, when gas generated inside the battery is gradually increased, the explosion-proof sheet 17 is broken from the groove 16, and the gas is discharged from the exhaust hole 4 on the cap top 3 through the through hole of the thermistor ring 9, so that the short circuit and power failure automatic protection of the lithium battery is realized.
Some preferred embodiments or application examples are listed below to help those skilled in the art to better understand the technical content of the present invention and the technical contribution of the present invention with respect to the prior art:
example 1
The utility model provides a sealed safe combination lithium cell block, which comprises a housin 2, a cap part such as explosion-proof piece 17 is used for installing, 2 inside pegs graft there is snap ring 7 of shell, can make 2 inside parts of shell can not drop from shell 2 with keeping off 6 cooperation of ring, threaded connection has bottom 1 on 2 bottom inner walls of shell, a part such as make second sealing ring 10 can not break away from shell 2, and it has rubber pad 11 to bond on 1 inner wall of bottom, a part that is used for making this block closely laminate on lithium cell body outer wall through rubber pad 11, it has second sealing washer 10 to bond on 1 top outer wall of bottom, first sealing washer 8 and second sealing washer 10, can strengthen the sealed effect of lithium cell, simultaneously when first sealing washer 8 and second sealing washer 10 damage arbitrary one, another can both normally play the sealing effect, it has from top to bottom to peg graft between 7 top inner walls of snap ring and the second sealing washer 10 top outer wall and has the first sealing washer from top to bottom Sealing washer 8, crown 3, thermistor ring 9 and explosion-proof piece 17, thermistor ring 9 can increase the resistance value when the increase of battery internal pressure, and then block the circulation of electric current in the battery, thereby promote the security when the lithium cell uses, explosion-proof piece 17 is used for preventing the lithium cell explosion, and explosion-proof piece 17 top outer wall depressed part is seted up and is the recess 16 of loop configuration, can be when the inside production gas of battery is gradual rise, make explosion-proof piece 17 fracture from recess 16, make gaseous through the through-hole of thermistor ring 9 discharge from exhaust hole 3 on crown 3 again, realize lithium cell short circuit outage automatic protection.
The outer wall of the side face of the cap top 3 is provided with exhaust holes 4 which are distributed in an equidistant structure and used for exhausting gas generated in the lithium battery and enhancing the heat dissipation performance of the lithium battery, and a protective net 5 is bonded inside the exhaust holes 4 to prevent sundries from entering the lithium battery through the exhaust holes 4 and influencing the work of the lithium battery; the aluminum sheet 14 is welded on the outer wall of the bottom of the explosion-proof sheet 17 and used for connecting the cap with the lithium battery body so as to normally supply power to the assembled lithium battery, and the air holes 15 distributed in an equidistant structure are formed in the outer wall of the bottom of the aluminum sheet 14 and used for timely removing gas generated inside the battery when the lithium battery is abnormal, so that the possibility of battery explosion is reduced; a cavity 18 is reserved between the second sealing ring 10 and the explosion-proof sheet 17 and used for installing the insulating pad 12, the insulating pad 12 is sleeved outside the aluminum sheet 14, the insulating pad 12 can prevent the aluminum sheet 14 and the explosion-proof sheet 17 from being continuously touched and connected in other areas after the contact is broken, the lithium battery is prevented from being continuously electrified, and the insulating pad 12 is inserted in the cavity 18; the isolation pad 13 is bonded at the groove of the outer wall of the top of the insulation pad 12, when the internal air pressure of the battery is increased, the explosion-proof sheet 17 is disconnected with the aluminum sheet 14, and the explosion-proof sheet is far away from the aluminum sheet 14 under the action of the isolation pad 13, so that the explosion-proof sheet 17 and the aluminum sheet 14 are prevented from being bonded due to current generated when the lithium battery is continuously used, the risk is reduced, and the outer wall of the top of the isolation pad 13 is attached to the outer wall of the bottom of the explosion-proof sheet 17; the welding of shell 2 inside has fender ring 6 for prevent that snap ring 7, crown 3 etc. from installing parts inside shell 2 and coming off from shell 2, and snap ring 7 laminates with fender ring 6 mutually.
The working principle is as follows: when the explosion-proof cover is used, a worker can firstly put the first sealing ring 8, the cover top 3 and the thermistor ring 9 into the snap ring 7 in sequence, then put the shell 2 upside down to enable the baffle ring 6 to support the assembled snap ring 7, then put the second sealing ring 10 on the explosion-proof sheet 17 and screw the bottom cover 1 into the shell 2 to enable parts such as the second sealing ring 10 and the like not to be separated from the shell 2, and then weld the assembled aluminum sheet 14 and the insulating pad 12 at the bottom of the explosion-proof sheet 17 and install the assembled cover cap on a lithium battery; later when this assembled lithium cell internal voltage is too big, temperature can rise in the battery, gaseous increase, make the internal pressure of battery increase, the resistance of thermistor ring 9 will step nature increase this moment, make the unable circulation of battery internal current, explosion-proof piece 17 can follow recess 16 fracture simultaneously, make gaseous exhaust hole 4 discharge on cap top 3 is again followed to the through-hole that passes through thermistor ring 9, avoid the lithium cell explosion, simultaneously through the first sealing washer 8 and the second sealing washer 10 of installation, can be when explosion-proof piece 17 is impaired to be out of shape, avoid the electrolyte in the lithium cell to flow out.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a sealed safety combination lithium cell block, includes shell (2), its characterized in that, shell (2) inside grafting has snap ring (7), threaded connection has bottom (1) on shell (2) bottom inner wall, and bonds on bottom (1) inner wall has rubber pad (11), it has second sealing washer (10) to bond on bottom (1) top outer wall, it has by last first sealing washer (8), crown of a hat (3), thermistor ring (9) and explosion-proof piece (17) that distribute in proper order to peg graft between snap ring (7) top inner wall and second sealing washer (10) top outer wall, and explosion-proof piece (17) top outer wall depressed part offers recess (16) that are the loop configuration.
2. The cap for a sealed safety combined lithium battery as claimed in claim 1, wherein the outer wall of the side surface of the cap top (3) is provided with exhaust holes (4) distributed at equal intervals, and a protective screen (5) is bonded inside the exhaust holes (4).
3. The cap for a sealed safety combined lithium battery as claimed in claim 1, wherein the explosion-proof sheet (17) is welded with an aluminum sheet (14) on the outer bottom wall, and the aluminum sheet (14) is provided with air holes (15) distributed in an equidistant structure on the outer bottom wall.
4. A sealed safety combined lithium battery cap according to claim 3, characterized in that a cavity (18) is left between the second sealing ring (10) and the explosion-proof sheet (17), the insulating pad (12) is sleeved outside the aluminum sheet (14), and the insulating pad (12) is inserted inside the cavity (18).
5. The cap for the sealed safety combined lithium battery as claimed in claim 4, wherein the insulating pad (12) is adhered with the insulating pad (13) at the groove of the top outer wall, and the top outer wall of the insulating pad (13) is attached to the bottom outer wall of the explosion-proof sheet (17).
6. The sealed safety lithium battery pack cap according to claim 1, wherein the retaining ring (6) is welded inside the housing (2), and the snap ring (7) is attached to the retaining ring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010118500.0A CN111370602A (en) | 2020-02-26 | 2020-02-26 | Sealed safety combined lithium battery cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010118500.0A CN111370602A (en) | 2020-02-26 | 2020-02-26 | Sealed safety combined lithium battery cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111370602A true CN111370602A (en) | 2020-07-03 |
Family
ID=71206572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010118500.0A Pending CN111370602A (en) | 2020-02-26 | 2020-02-26 | Sealed safety combined lithium battery cap |
Country Status (1)
| Country | Link |
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| CN (1) | CN111370602A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113346189A (en) * | 2021-06-15 | 2021-09-03 | 安徽捷创科技有限公司 | Lithium battery cap structure convenient to dismantle |
| CN115347302A (en) * | 2022-08-17 | 2022-11-15 | 广州小鹏汽车科技有限公司 | Bottom cap subassembly and cylinder battery |
-
2020
- 2020-02-26 CN CN202010118500.0A patent/CN111370602A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113346189A (en) * | 2021-06-15 | 2021-09-03 | 安徽捷创科技有限公司 | Lithium battery cap structure convenient to dismantle |
| CN115347302A (en) * | 2022-08-17 | 2022-11-15 | 广州小鹏汽车科技有限公司 | Bottom cap subassembly and cylinder battery |
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