CN113725525A - Safe high temperature resistant cylindrical lithium ion battery - Google Patents
Safe high temperature resistant cylindrical lithium ion battery Download PDFInfo
- Publication number
- CN113725525A CN113725525A CN202110827214.6A CN202110827214A CN113725525A CN 113725525 A CN113725525 A CN 113725525A CN 202110827214 A CN202110827214 A CN 202110827214A CN 113725525 A CN113725525 A CN 113725525A
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- Prior art keywords
- battery
- diaphragm
- lithium ion
- cylindrical lithium
- shell
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 31
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000003063 flame retardant Substances 0.000 claims abstract description 13
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 238000005524 ceramic coating Methods 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 239000004642 Polyimide Substances 0.000 description 6
- 229920001721 polyimide Polymers 0.000 description 6
- 239000000956 alloy Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 229910001092 metal group alloy Inorganic materials 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920001155 polypropylene Polymers 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
- H01M50/172—Arrangements of electric connectors penetrating the casing
- H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
- H01M50/179—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells 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
- 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
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/107—Primary casings; Jackets or wrappings characterised by their shape or physical structure 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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
-
- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
- H01M50/491—Porosity
-
- 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
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
-
- 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
- H01M50/531—Electrode connections inside a battery casing
- H01M50/533—Electrode connections inside a battery casing characterised by the shape of the leads or tabs
-
- 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)
- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a safe high-temperature-resistant cylindrical lithium ion battery, which comprises a battery shell, a battery inner shell, a battery core, a positive plate and a negative plate, wherein the battery core is arranged in the battery shell, a central rod is fixed in the battery core, the positive plate is arranged in the battery core outside the central rod, the negative plate is arranged in the battery core outside the positive plate, a first diaphragm is arranged between the positive plate and the central rod, a second diaphragm is arranged between the positive plate and the negative plate, a third diaphragm is arranged between the negative plate and the battery core, a positive electrode lug is fixed at the top end of the battery core, a positive electrode insulation sheet is fixed between the positive electrode lug and the battery core, and an upper cover cap is fixed at the top end of the battery shell above the positive electrode lug. The invention not only improves the high temperature resistance of the battery, but also enhances the pressure resistance and puncture resistance of the battery shell, has good flame retardant effect and is more convenient to charge.
Description
Technical Field
The invention relates to the technical field of batteries, in particular to a safe high-temperature-resistant cylindrical lithium ion battery.
Background
The lithium battery is divided into a lithium battery and a lithium ion battery, wherein the lithium ion battery: the lithium ion secondary battery (rechargeable battery) mainly depends on lithium ions to move between a positive electrode and a negative electrode to work, and Li & lt + & gt is inserted and extracted back and forth between the two electrodes in the charging and discharging process; during charging, Li + is extracted from the positive electrode and is inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; when discharging, the lithium ion battery is divided into the following parts according to the shape: the lithium ion battery pack comprises a cylindrical lithium ion battery, a square lithium ion battery, a button lithium ion battery, a special-shaped lithium ion battery and a soft package battery, wherein the cylindrical lithium ion battery is most widely used.
The lithium ion batteries in the existing market are various in types and can basically meet the use requirements of people, but certain defects still exist, the diaphragm inside the existing lithium ion battery is generally made of polyethylene or polypropylene, the melting point is relatively low, and when the temperature of the external environment for the battery to work is too high, or the voltage for internal charging and discharging is too high or too long, excessive heat is generated in the sealed battery, so that the melting condition is generated, and therefore the heat resistance of the battery needs to be improved.
Disclosure of Invention
The invention aims to provide a safe high-temperature-resistant cylindrical lithium ion battery to solve the problem of poor high-temperature-resistant performance of the lithium ion battery in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a cylindrical lithium ion battery of safe high temperature resistance, includes battery case, inner battery shell, electric core, positive plate and negative pole piece, battery case's inside is provided with electric core, just electric core's inside is fixed with well core rod, the inside positive plate that is provided with of electric core in the well core rod outside, just the inside negative pole piece that is provided with of electric core in the positive plate outside, negative pole piece and positive plate are convoluteed each other, be provided with first diaphragm between positive plate and the well core rod, just be provided with the second diaphragm between positive plate and the negative pole piece, be provided with the third diaphragm between negative pole piece and the electric core, the top of electric core is fixed with anodal utmost point ear, just be fixed with anodal insulating piece between anodal utmost point ear and the electric core, and the battery case top of anodal utmost point ear top is fixed with the block, goes up the block and is connected with anodal utmost point ear.
Preferably, a cavity is arranged in the side wall of the battery shell, and flame retardant powder is filled in the cavity, so that a good flame retardant effect can be achieved for the battery when the battery is overloaded, expanded or punctured and leaked, and open fire is avoided.
Preferably, be provided with the battery inner shell on battery case's the inner wall, the battery inner shell closely glues with battery case and glues, has played the effect of double-deck protection to the battery.
Preferably, the bottom mounting of electricity core has the negative pole insulating piece, just be fixed with negative pole utmost point ear between negative pole insulating piece and the electricity core, and the battery case bottom mounting of negative pole insulating piece below has lower block, and lower block is connected with the negative pole insulating piece for the power connection work of battery.
Preferably, the inside of lower cover cap is provided with the mouth that charges, just the internally mounted of the mouth that charges has the joint that charges, is convenient for charge the battery.
Preferably, the heat-resistant ceramic coating is arranged on the outer wall of one side of each of the first diaphragm, the second diaphragm and the third diaphragm, and the heat-conducting ceramic coating is arranged on the outer wall of the other side of each of the first diaphragm, the second diaphragm and the third diaphragm, so that the high-temperature resistance of the first diaphragm, the second diaphragm and the third diaphragm is improved.
Preferably, the surfaces of one sides of the first diaphragm, the second diaphragm and the third diaphragm are all provided with micropores at equal intervals, and the interiors of the first diaphragm, the second diaphragm and the third diaphragm are all provided with fiber grating layers, so that more expansion spaces and expansion coefficients are provided for the first diaphragm, the second diaphragm and the third diaphragm.
Preferably, the surface covering of the mouth that charges has the dustproof stopper of rubber, and the dustproof stopper of rubber and the inseparable joint of the mouth that charges are convenient for cover, prevent the entering of dust.
Compared with the prior art, the invention has the beneficial effects that: the safe high-temperature-resistant cylindrical lithium ion battery not only improves the high-temperature resistance of the battery, so that the battery is not easy to melt in a high-temperature environment, but also enhances the pressure resistance and puncture resistance of a battery shell, has a good flame-retardant effect, and is more convenient to charge;
(1) the first diaphragm, the second diaphragm, the third diaphragm, the heat-resistant ceramic coating, the heat-conducting ceramic coating and the micropores are arranged, the first diaphragm, the second diaphragm and the third diaphragm are all made of polyimide, the polyimide can resist high temperature (above 400 ℃), the micropores arranged on the surface of the polyimide can provide a thermal expansion space, the heat-resistant ceramic coating can further improve the high-temperature resistance, and the heat-conducting ceramic coating is convenient to rapidly disperse heat to avoid local overheating, so that the high-temperature resistance of the battery is improved, and the battery is not easy to melt in a high-temperature environment;
(2) the battery shell, the battery inner shell, the cavity and the flame-retardant powder are arranged, and the battery shell and the battery inner shell are both made of metal alloy materials, so that the metal alloy materials have good hardness, corrosion resistance and corrosion resistance, the pressure resistance and puncture resistance of the battery shell can be enhanced, and the flame-retardant powder in the cavity can play a good flame-retardant effect on the battery when the battery is subjected to overload expansion or puncture leakage, so that open fire is avoided, the use safety of the battery is enhanced, and the potential safety hazard of the battery is reduced;
(3) through being provided with the mouth that charges, the joint that charges and the dustproof stopper of rubber, when the electric quantity of battery is not enough, take off the dustproof stopper of rubber from the mouth that charges, insert the interface of charging wire the inside of mouthful and with the articulate that charges, can charge to the battery to need not to use professional battery charging outfit can accomplish the work of charging, it is more convenient to use.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
fig. 2 is a schematic cross-sectional structure diagram of a battery cell of the present invention;
FIG. 3 is a cross-sectional structural view of a first septum of the present invention;
FIG. 4 is a schematic cross-sectional view of a battery housing of the present invention;
fig. 5 is a schematic bottom view of the present invention.
In the figure: 1. a battery case; 2. a battery inner case; 3. a positive electrode tab; 4. an anode insulating sheet; 5. covering a cap; 6. an electric core; 7. a negative electrode insulation sheet; 8. a negative electrode tab; 9. a lower cap; 10. a center pole; 11. a first diaphragm; 12. a positive plate; 13. a second diaphragm; 14. a negative plate; 15. a third diaphragm; 16. a heat-resistant ceramic coating; 17. a thermally conductive ceramic coating; 18. micropores; 19. a cavity; 20. a flame retardant powder; 21. a charging port; 22. a charging connector; 23. rubber dust plug.
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 all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the present invention is shown: a safe high-temperature-resistant cylindrical lithium ion battery comprises a battery outer shell 1, a battery inner shell 2, a battery core 6, a positive plate 12 and a negative plate 14, wherein the battery core 6 is arranged inside the battery outer shell 1, and a central rod 10 is fixed inside the battery core 6;
a cavity 19 is formed in the side wall of the battery shell 1, and flame retardant powder 20 is filled in the cavity 19, so that when the battery is overloaded and expanded or punctured and leaked, a good flame retardant effect is achieved on the battery, and open fire is avoided;
the inner wall of the battery outer shell 1 is provided with a battery inner shell 2, and the battery inner shell 2 is tightly adhered to the battery outer shell 1, so that the double-layer protection effect on the battery is achieved;
a negative electrode insulation sheet 7 is fixed at the bottom end of the electric core 6, a negative electrode tab 8 is fixed between the negative electrode insulation sheet 7 and the electric core 6, a lower cap 9 is fixed at the bottom end of the battery shell 1 below the negative electrode insulation sheet 7, and the lower cap 9 is connected with the negative electrode insulation sheet 7 and used for power supply connection work of the battery;
a charging port 21 is arranged in the lower cover cap 9, and a charging connector 22 is arranged in the charging port 21, so that the battery can be charged conveniently;
the surface of the charging port 21 is covered with a rubber dustproof plug 23, and the rubber dustproof plug 23 is tightly clamped with the charging port 21, so that the charging port is conveniently covered and dust is prevented from entering;
a positive plate 12 is arranged inside the battery cell 6 outside the central rod 10, a negative plate 14 is arranged inside the battery cell 6 outside the positive plate 12, the negative plate 14 and the positive plate 12 are wound with each other, a first diaphragm 11 is arranged between the positive plate 12 and the central rod 10, a second diaphragm 13 is arranged between the positive plate 12 and the negative plate 14, and a third diaphragm 15 is arranged between the negative plate 14 and the battery cell 6;
the heat-resistant ceramic coating 16 is arranged on the outer walls of one sides of the first diaphragm 11, the second diaphragm 13 and the third diaphragm 15, and the heat-conducting ceramic coating 17 is arranged on the outer walls of the other sides of the first diaphragm 11, the second diaphragm 13 and the third diaphragm 15, so that the high-temperature resistance of the first diaphragm 11, the second diaphragm 13 and the third diaphragm 15 is improved;
the surfaces of one sides of the first diaphragm 11, the second diaphragm 13 and the third diaphragm 15 are all provided with micropores 18 with equal intervals, and the interiors of the first diaphragm 11, the second diaphragm 13 and the third diaphragm 15 are all provided with fiber grating layers, so that more expansion spaces and expansion coefficients are provided for the first diaphragm 11, the second diaphragm 13 and the third diaphragm 15;
the top of electricity core 6 is fixed with anodal utmost point ear 3, and is fixed with anodal insulating piece 4 between anodal utmost point ear 3 and the electricity core 6 to the 1 top of battery case above anodal utmost point ear 3 is fixed with upper cover cap 5, and upper cover cap 5 is connected with anodal utmost point ear 3.
When the embodiment of the application is used: when the battery shell is used, the first diaphragm 11, the second diaphragm 13 and the third diaphragm 15 are all made of polyimide, the polyimide is one of organic high polymer materials with the best comprehensive performance, the high temperature resistance reaches above (400 ℃), the micropores 18 arranged on the surfaces of the polyimide can provide thermal expansion spaces, the heat-resistant ceramic coating 16 on one side of the first diaphragm 11, the second diaphragm 13 and the third diaphragm 15 can further improve the high temperature resistance, the heat conducting ceramic coating 17 on the other side of the first diaphragm 11, the second diaphragm 13 and the third diaphragm 15 quickly disperses the heat to avoid local overheating, so that the high temperature resistance of the battery is improved, the battery is not easy to melt in a high-temperature environment, and then the battery shell is composed of the battery outer shell 1 and the battery inner shell 2, the battery outer shell 1 and the battery inner shell 2 are both made of metal alloy materials, and the metal alloy materials have good hardness, Rust-resistant and corrosion resistance, can strengthen battery case's withstand voltage and puncture resistance, and flame retardant powder 20 in battery case 1 inside cavity 19 can appear transshipping the inflation or puncture when revealing in the battery, play good flame retardant efficiency to the battery, avoid producing naked light, thereby strengthen the safety in utilization of battery, reduce the potential safety hazard of battery, finally, when the electric quantity of battery is not enough, take off rubber dust plug 23 from charging port 21, insert the inside of charging port 21 and with the joint 22 that charges with the interface of charging wire, can charge to the battery, thereby need not to use professional charging equipment can accomplish charging work, and it is more convenient to use, accomplish safe high temperature resistant cylindrical lithium ion battery's work.
Claims (8)
1. A safe and high-temperature-resistant cylindrical lithium ion battery is characterized by comprising a battery outer shell (1), a battery inner shell (2), a battery core (6), a positive plate (12) and a negative plate (14), wherein the battery core (6) is arranged in the battery outer shell (1), a central rod (10) is fixed in the battery core (6), the positive plate (12) is arranged in the battery core (6) outside the central rod (10), the negative plate (14) is arranged in the battery core (6) outside the positive plate (12), the negative plate (14) and the positive plate (12) are wound with each other, a first diaphragm (11) is arranged between the positive plate (12) and the central rod (10), a second diaphragm (13) is arranged between the positive plate (12) and the negative plate (14), and a third diaphragm (15) is arranged between the negative plate (14) and the battery core (6), the battery is characterized in that a positive pole lug (3) is fixed on the top end of the battery cell (6), a positive insulation sheet (4) is fixed between the positive pole lug (3) and the battery cell (6), an upper cover cap (5) is fixed on the top end of the battery shell (1) above the positive pole lug (3), and the upper cover cap (5) is connected with the positive pole lug (3).
2. The cylindrical lithium ion battery of claim 1, wherein: a cavity (19) is arranged in the side wall of the battery shell (1), and flame retardant powder (20) is filled in the cavity (19).
3. The cylindrical lithium ion battery of claim 1, wherein: the battery inner shell (2) is arranged on the inner wall of the battery outer shell (1), and the battery inner shell (2) is tightly adhered to the battery outer shell (1).
4. The cylindrical lithium ion battery of claim 1, wherein: the bottom mounting of electric core (6) has negative pole insulating piece (7), just be fixed with negative pole utmost point ear (8) between negative pole insulating piece (7) and electric core (6), and battery case (1) bottom mounting of negative pole insulating piece (7) below has lower block (9), and lower block (9) are connected with negative pole insulating piece (7).
5. The cylindrical lithium ion battery of claim 4, wherein: the inside of lower cover cap (9) is provided with charges mouthful (21), just the internally mounted of the mouth that charges (21) has the joint that charges (22).
6. The cylindrical lithium ion battery of claim 1, wherein: the heat-resistant ceramic diaphragm is characterized in that heat-resistant ceramic coatings (16) are arranged on the outer walls of one sides of the first diaphragm (11), the second diaphragm (13) and the third diaphragm (15), and heat-conducting ceramic coatings (17) are arranged on the outer walls of the other sides of the first diaphragm (11), the second diaphragm (13) and the third diaphragm (15).
7. The cylindrical lithium ion battery of claim 1, wherein: the surface of one side of each of the first diaphragm (11), the second diaphragm (13) and the third diaphragm (15) is provided with micropores (18) at equal intervals, and the first diaphragm (11), the second diaphragm (13) and the third diaphragm (15) are internally provided with fiber grating layers.
8. The cylindrical lithium ion battery of claim 5, wherein: the surface of the charging port (21) is covered with a rubber dustproof plug (23), and the rubber dustproof plug (23) is tightly clamped with the charging port (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110827214.6A CN113725525A (en) | 2021-07-21 | 2021-07-21 | Safe high temperature resistant cylindrical lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110827214.6A CN113725525A (en) | 2021-07-21 | 2021-07-21 | Safe high temperature resistant cylindrical lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113725525A true CN113725525A (en) | 2021-11-30 |
Family
ID=78673711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110827214.6A Pending CN113725525A (en) | 2021-07-21 | 2021-07-21 | Safe high temperature resistant cylindrical lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113725525A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206619633U (en) * | 2017-04-25 | 2017-11-07 | 东莞市赛普克电子科技有限公司 | High-penetration binding type lithium battery diaphragm |
| CN206774609U (en) * | 2017-04-25 | 2017-12-19 | 东莞市赛普克电子科技有限公司 | High-temperature-reslithium lithium battery barrier film |
| CN209963119U (en) * | 2019-06-27 | 2020-01-17 | 江西双华实业发展有限公司 | Novel battery shell |
| CN210182508U (en) * | 2019-08-31 | 2020-03-24 | 山东圣阳电源股份有限公司 | Cylindrical lithium ion battery |
| CN211789101U (en) * | 2020-01-13 | 2020-10-27 | 浙江兴华电池有限公司 | High-temperature and high-humidity resistant battery steel shell |
| CN215771297U (en) * | 2021-07-21 | 2022-02-08 | 东莞力朗电池科技有限公司 | Safe high temperature resistant cylindrical lithium ion battery |
-
2021
- 2021-07-21 CN CN202110827214.6A patent/CN113725525A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206619633U (en) * | 2017-04-25 | 2017-11-07 | 东莞市赛普克电子科技有限公司 | High-penetration binding type lithium battery diaphragm |
| CN206774609U (en) * | 2017-04-25 | 2017-12-19 | 东莞市赛普克电子科技有限公司 | High-temperature-reslithium lithium battery barrier film |
| CN209963119U (en) * | 2019-06-27 | 2020-01-17 | 江西双华实业发展有限公司 | Novel battery shell |
| CN210182508U (en) * | 2019-08-31 | 2020-03-24 | 山东圣阳电源股份有限公司 | Cylindrical lithium ion battery |
| CN211789101U (en) * | 2020-01-13 | 2020-10-27 | 浙江兴华电池有限公司 | High-temperature and high-humidity resistant battery steel shell |
| CN215771297U (en) * | 2021-07-21 | 2022-02-08 | 东莞力朗电池科技有限公司 | Safe high temperature resistant cylindrical lithium ion battery |
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