CN114464934A - Explosion-proof type lithium battery shell - Google Patents
Explosion-proof type lithium battery shell Download PDFInfo
- Publication number
- CN114464934A CN114464934A CN202210035482.9A CN202210035482A CN114464934A CN 114464934 A CN114464934 A CN 114464934A CN 202210035482 A CN202210035482 A CN 202210035482A CN 114464934 A CN114464934 A CN 114464934A
- Authority
- CN
- China
- Prior art keywords
- explosion
- proof
- lithium battery
- shell
- battery case
- 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 61
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 238000004880 explosion Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 33
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 20
- 239000000741 silica gel Substances 0.000 claims description 20
- 229910002027 silica gel Inorganic materials 0.000 claims description 20
- 230000017525 heat dissipation Effects 0.000 claims description 17
- 210000005056 cell body Anatomy 0.000 claims description 8
- 230000010354 integration Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 210000004027 cell Anatomy 0.000 description 4
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 239000011255 nonaqueous electrolyte Substances 0.000 description 2
- 239000006173 Good's buffer Substances 0.000 description 1
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910002065 alloy metal Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 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
- 238000000034 method Methods 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 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
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
-
- 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
-
- 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
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/308—Detachable arrangements, e.g. detachable vent plugs or plug systems
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 an explosion-proof lithium battery shell, which comprises an outer shell, wherein an inner shell is integrally connected inside the outer shell, an explosion-proof net is fixedly connected to the inner wall of the inner shell, a lithium battery body is arranged inside the explosion-proof net, a plurality of air holes are formed in the outer surface of the inner shell, a plurality of explosion-proof pipes are fixedly embedded inside the outer shell, when the lithium battery body explodes, the explosion-proof net protects the lithium battery body, strong air pressure drives a moving sleeve to move towards the explosion-proof pipes, at the moment, a piston pushes out a waterproof plug and is separated from a first air outlet hole, and gas inside the shell is discharged from the explosion-proof pipes through the air holes, the first air outlet hole and a second air outlet hole sequentially, so that the pressure inside the lithium battery shell is relieved, and further the danger caused by explosion of the lithium battery shell is avoided.
Description
Technical Field
The invention relates to the technical field of lithium battery shell production, in particular to an explosion-proof lithium battery shell.
Background
A lithium battery is a type of battery using a nonaqueous electrolyte solution, with lithium metal or a lithium alloy as a negative electrode material. Because the chemical characteristics of lithium metal are very active, the lithium metal has very high requirements on the environment in processing, storage and use. With the development of science and technology, lithium batteries have become the mainstream nowadays. In general, a lithium metal battery uses manganese dioxide as a positive electrode material, lithium metal or an alloy metal thereof as a negative electrode material, and a nonaqueous electrolyte solution.
The lithium battery is likely to be short-circuited due to aging of a circuit in a long-time use process, when the temperature in the lithium battery is suddenly increased, the possibility of explosion is very easy to occur, and the existing lithium battery has no good buffer measure to weaken the impact force generated by explosion when the explosion occurs.
Disclosure of Invention
The present invention is directed to an explosion-proof lithium battery case, which solves the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
an explosion-proof lithium battery shell comprises an outer shell, wherein an inner shell is integrally connected inside the outer shell, an explosion-proof net is fixedly connected to the inner wall of the inner shell, a lithium battery body is arranged inside the explosion-proof net, a plurality of air holes are formed in the outer surface of the inner shell, a plurality of explosion-proof pipes are fixedly embedded inside the outer shell, a waterproof plug is buckled at one end of each explosion-proof pipe, a piston is slidably connected inside each explosion-proof pipe, a slide rod is slidably arranged at the other end of each explosion-proof pipe in a penetrating mode, a moving sleeve is slidably sleeved on the outer surface of each explosion-proof pipe, a plurality of springs are fixedly connected between each moving sleeve and each explosion-proof pipe, a plurality of first air outlet holes are formed in the outer surface of each explosion-proof pipe, a plurality of second air outlet holes are formed in the outer surface of the piston, a sealing cover plate is bolted on the upper end face of the outer shell, and a limiting block is integrally connected on the bottom end face of the sealing cover plate, stopper and lithium cell body's up end butt, sealed apron's up end middle part fixed mounting has conductive seat, the equal fixedly connected with in side leads electrical pillar around the bottom face of conductive seat, the bottom of front and back side electric pillar respectively with lithium cell body's positive negative pole electric connection.
Preferably, the outer surface of the shell is fixedly sleeved with a plurality of longitudinally-arranged radiating ring plates.
Preferably, the heat dissipation ring plate is provided with a plurality of air flow through holes.
Preferably, the outer fixed surface of inner shell is connected with a plurality of heat conduction silica gel posts, a plurality of louvres have been seted up to the surface of shell and the inside that is located the heat dissipation crown plate, the inner wall of louvre bonds and has the heat conduction silica gel sealing block, one side of heat conduction silica gel sealing block and the inner wall fixed connection of heat dissipation crown plate, the opposite side and the heat conduction silica gel post fixed connection of heat conduction silica gel sealing block.
Preferably, an annular groove is formed in the upper end face of the shell, a heat-resistant sealing ring is arranged inside the annular groove, and a sealing ring plate is fixedly connected to the bottom end face of the sealing cover plate and is abutted to the heat-resistant sealing ring.
Preferably, an insulating layer is arranged between the explosion-proof net and the lithium battery body.
Preferably, handle grooves are formed in the front side and the rear side of the upper end face of the sealing cover plate, and handles are rotatably mounted on the inner walls of the handle grooves.
Preferably, the middle part of the outer surface of the handle is fixedly sleeved with a rubber sleeve.
Compared with the prior art, the invention has the beneficial effects that: the lithium battery shell is convenient to use and simple in structure, when the lithium battery body explodes, the explosion-proof net protects the lithium battery body, the strong air pressure drives the moving sleeve to move towards the explosion-proof pipe, the piston pushes out the waterproof plug at the moment, and meanwhile, the piston is separated from the first air outlet hole, so that the air pressure in the lithium battery shell is released, and the danger caused by explosion of the lithium battery shell is avoided; the arranged heat dissipation ring plate can improve the heat dissipation capacity of the lithium battery shell and avoid explosion of the lithium battery body caused by high temperature; the heat on the inner shell can be more conveniently transferred to the heat dissipation ring plate through the heat conduction silica gel column and the heat conduction silica gel sealing block; the handle that sets up multiplicable this lithium cell casing's portability, the handle groove of setting can be with it buckle in the handle groove when not using the handle, and then avoid the handle to influence and electrically conduct the seat and connect external equipment.
Drawings
FIG. 1 is a schematic sectional view of a main structure of an explosion-proof lithium battery case;
FIG. 2 is a schematic top view of a main structure of an explosion-proof lithium battery case;
fig. 3 is an enlarged schematic view of a structure a of an explosion-proof lithium battery case shown in fig. 1.
In the figure: 1-outer shell, 2-heat dissipation ring plate, 3-heat conduction silica gel column, 4-conductive column, 5-conductive seat, 6-limiting block, 7-sealing cover plate, 8-heat dissipation hole, 9-air hole, 10-inner shell, 11-insulating layer, 12-lithium battery body, 13-explosion-proof net, 14-air flow through hole, 15-handle, 16-handle groove, 17-moving sleeve, 18-spring, 19-sliding rod, 20-explosion-proof pipe, 21-first air outlet, 22-piston, 23-waterproof plug, 24-second air outlet and 25-heat-resistant sealing ring.
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.
Example 1: referring to fig. 1 to 3, an explosion-proof lithium battery shell includes an outer shell 1, an inner shell 10 is integrally connected inside the outer shell 1, an explosion-proof mesh 13 is fixedly connected to an inner wall of the inner shell 10, a lithium battery body 12 is arranged inside the explosion-proof mesh 13, a plurality of air holes 9 are formed in an outer surface of the inner shell 10, a plurality of explosion-proof tubes 20 are fixedly embedded inside the outer shell 1, a waterproof plug 23 is fastened at one end of each explosion-proof tube 20, a piston 22 is slidably connected inside each explosion-proof tube 20, a slide rod 19 is slidably inserted at the other end of each explosion-proof tube 20, a moving sleeve 17 is slidably sleeved on an outer surface of each explosion-proof tube 20, a plurality of springs 18 are fixedly connected between the moving sleeve 17 and each explosion-proof tube 20, a plurality of first air outlet holes 21 are formed in an outer surface of each explosion-proof tube 20, a plurality of second air outlet holes 24 are formed in an outer surface of the piston 22, the up end bolted connection of shell 1 has sealed apron 7, the bottom face integration of sealed apron 7 is connected with stopper 6, stopper 6 and lithium cell body 12's up end butt, sealed apron 7's up end middle part fixed mounting has conducting seat 5, the equal fixedly connected with in side leads electrical pillar 4 around the bottom face of conducting seat 5, the bottom of front and back side electric pole 4 respectively with lithium cell body 12's positive negative pole electric connection.
When lithium cell body 12 explodes, explosion-proof net 13 protects it, powerful atmospheric pressure will drive and remove cover 17 and remove to explosion-proof pipe 20 direction, piston 22 will ejecting waterproof plug 23 this moment, piston 22 will break away from first venthole 21 simultaneously, the inside gas of casing will loop through gas pocket 9, first venthole 21, second venthole 24 is discharged from explosion-proof pipe 20 at last, make the inside atmospheric pressure of lithium cell casing etc. to the pressure release, and then avoid this lithium cell casing to explode and open and take place danger.
Wherein, the fixed cover of surface of shell 1 is equipped with a plurality of vertical heat dissipation crown plates 2 that are provided with, and the heat dissipation crown plate 2 that sets up can improve this lithium cell casing's heat-sinking capability, avoids high temperature to lead to lithium cell body 12 to blast.
The heat dissipation ring plate 2 is provided with a plurality of air flow through holes 14, and the arranged air flow through holes 14 can improve the heat dissipation capability of the heat dissipation ring plate 2.
Wherein, a plurality of heat conduction silica gel posts 3 of the outer fixed surface of inner shell 10 are connected with, a plurality of louvres 8 have been seted up to the surface of shell 1 and the inside that is located heat dissipation crown plate 2, the inner wall of louvre 8 bonds and has the heat conduction silica gel sealing block, one side of heat conduction silica gel sealing block and the inner wall fixed connection of heat dissipation crown plate 2, the opposite side and the 3 fixed connection of heat conduction silica gel posts of heat conduction silica gel sealing block.
Through heat conduction silica gel post 2 and the sealed piece of heat conduction silica gel, can be more convenient for transmit the heat on the inner shell 10 for heat dissipation crown plate 2.
An annular groove is formed in the upper end face of the shell 1, a heat-resistant sealing ring 25 is arranged inside the annular groove, and a sealing ring plate is fixedly connected to the bottom end face of the sealing cover plate 7 and is abutted to the heat-resistant sealing ring 25.
The heat-resistant seal ring 25 improves the sealing performance of the sealing cover plate 7 after installation.
An insulating layer 11 is arranged between the explosion-proof net 13 and the lithium battery body 12.
Example 2: referring to fig. 1 to 2, a rubber gasket with excellent sealing performance is different from that of embodiment 1 in that handle grooves 16 are formed in front and rear sides of an upper end surface of a sealing cover plate 7, and a handle 15 is rotatably mounted on an inner wall of each handle groove 16.
Furthermore, a rubber sleeve is fixedly sleeved in the middle of the outer surface of the handle 15.
The handle 15 is arranged to increase the portability of the lithium battery shell, and the handle groove 16 is arranged to be buckled into the handle groove 16 when the handle 15 is not used, so that the handle 15 is prevented from influencing the connection of the conductive seat 5 and external equipment.
In the present invention, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only terms of relationships determined for convenience of describing structural relationships of the parts or elements of the present invention, and are not intended to refer to any parts or elements of the present invention, and are not to be construed as limiting the present invention.
Claims (8)
1. An explosion-proof type lithium battery case, includes shell (1), its characterized in that: the inner shell (10) is integrally connected with the inner shell (1), the inner wall of the inner shell (10) is fixedly connected with an explosion-proof net (13), a lithium battery body (12) is arranged inside the explosion-proof net (13), a plurality of air holes (9) are formed in the outer surface of the inner shell (10), a plurality of explosion-proof tubes (20) are fixedly embedded in the outer shell (1), one end of each explosion-proof tube (20) is buckled with a waterproof plug (23), a piston (22) is slidably connected inside the explosion-proof tube (20), a sliding rod (19) is slidably arranged at the other end of each explosion-proof tube (20) in a penetrating mode, a moving sleeve (17) is slidably arranged on the outer surface of each explosion-proof tube (20), a plurality of springs (18) are fixedly connected between the moving sleeve (17) and the explosion-proof tubes (20), a plurality of first air outlet holes (21) are formed in the outer surface of each explosion-proof tube (20), a plurality of second ventholes (24) have been seted up to the surface of piston (22), the up end bolted connection of shell (1) has sealed apron (7), the bottom face integration of sealed apron (7) is connected with stopper (6), the up end butt of stopper (6) and lithium cell body (12), the up end middle part fixed mounting of sealed apron (7) has electrically conductive seat (5), the equal fixedly connected with in side leads electrical pillar (4) around the bottom face of electrically conductive seat (5), the bottom of front and back side electrically conductive post (4) respectively with the positive negative pole electric connection of lithium cell body (12).
2. An explosion-proof lithium battery case as claimed in claim 1, wherein: the outer surface of the shell (1) is fixedly sleeved with a plurality of longitudinally-arranged radiating ring plates (2).
3. An explosion-proof lithium battery case according to claim 2, wherein: the heat dissipation ring plate (2) is provided with a plurality of air flow through holes (14).
4. An explosion-proof lithium battery case according to claim 3, wherein: the outer fixed surface of inner shell (10) is connected with a plurality of heat conduction silica gel columns (3), a plurality of louvres (8) have been seted up to the surface of shell (1) and the inside that is located heat dissipation ring board (2), the inner wall bonding of louvre (8) has heat conduction silica gel sealing block, the inner wall fixed connection of one side and heat dissipation ring board (2) of heat conduction silica gel sealing block, the opposite side and heat conduction silica gel column (3) fixed connection of heat conduction silica gel sealing block.
5. An explosion-proof lithium battery case according to claim 4, wherein: the heat-resistant sealing device is characterized in that an annular groove is formed in the upper end face of the shell (1), a heat-resistant sealing ring (25) is arranged inside the annular groove, and a sealing ring plate is fixedly connected to the bottom end face of the sealing cover plate (7) and is abutted to the heat-resistant sealing ring (25).
6. An explosion-proof lithium battery case according to claim 5, wherein: an insulating layer (11) is arranged between the explosion-proof net (13) and the lithium battery body (12).
7. An explosion-proof lithium battery case as claimed in claim 6, wherein: handle grooves (16) are formed in the front side and the rear side of the upper end face of the sealing cover plate (7), and handles (15) are rotatably mounted on the inner walls of the handle grooves (16).
8. An explosion proof lithium battery case according to claim 7, wherein: the middle part of the outer surface of the handle (15) is fixedly sleeved with a rubber sleeve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210035482.9A CN114464934A (en) | 2022-01-13 | 2022-01-13 | Explosion-proof type lithium battery shell |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210035482.9A CN114464934A (en) | 2022-01-13 | 2022-01-13 | Explosion-proof type lithium battery shell |
Publications (1)
Publication Number | Publication Date |
---|---|
CN114464934A true CN114464934A (en) | 2022-05-10 |
Family
ID=81408998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210035482.9A Pending CN114464934A (en) | 2022-01-13 | 2022-01-13 | Explosion-proof type lithium battery shell |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN114464934A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115377604A (en) * | 2022-08-09 | 2022-11-22 | 电子科技大学长三角研究院(湖州) | Safe air leakage structure of lithium power battery shell |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030013005A1 (en) * | 2001-07-09 | 2003-01-16 | Chin Lung Chang | Explosion-proof safety structure for column shape lithium battery |
CN206409538U (en) * | 2016-12-29 | 2017-08-15 | 贵州理工学院 | A kind of new-energy automobile new type power coupling device Multifunctional housing |
CN207624845U (en) * | 2017-11-30 | 2018-07-17 | 东莞市朗泰通实业有限公司 | A kind of Ni-MH battery of new type of safe |
CN210403929U (en) * | 2019-09-09 | 2020-04-24 | 惠安永恒机械有限公司 | Explosion-proof lithium battery |
CN211150625U (en) * | 2019-12-13 | 2020-07-31 | 安徽新品源电池技术有限公司 | Lithium ion battery with explosion-proof structure |
CN213905525U (en) * | 2020-12-31 | 2021-08-06 | 江苏万锂达智能科技有限公司 | Lithium battery with good explosion-proof effect |
CN215070122U (en) * | 2021-04-15 | 2021-12-07 | 厦门派客新能源科技有限公司 | Lithium battery shell |
CN215418488U (en) * | 2021-04-20 | 2022-01-04 | 湖北亿纬动力有限公司 | Piston type lithium battery explosion-proof valve structure |
-
2022
- 2022-01-13 CN CN202210035482.9A patent/CN114464934A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030013005A1 (en) * | 2001-07-09 | 2003-01-16 | Chin Lung Chang | Explosion-proof safety structure for column shape lithium battery |
CN206409538U (en) * | 2016-12-29 | 2017-08-15 | 贵州理工学院 | A kind of new-energy automobile new type power coupling device Multifunctional housing |
CN207624845U (en) * | 2017-11-30 | 2018-07-17 | 东莞市朗泰通实业有限公司 | A kind of Ni-MH battery of new type of safe |
CN210403929U (en) * | 2019-09-09 | 2020-04-24 | 惠安永恒机械有限公司 | Explosion-proof lithium battery |
CN211150625U (en) * | 2019-12-13 | 2020-07-31 | 安徽新品源电池技术有限公司 | Lithium ion battery with explosion-proof structure |
CN213905525U (en) * | 2020-12-31 | 2021-08-06 | 江苏万锂达智能科技有限公司 | Lithium battery with good explosion-proof effect |
CN215070122U (en) * | 2021-04-15 | 2021-12-07 | 厦门派客新能源科技有限公司 | Lithium battery shell |
CN215418488U (en) * | 2021-04-20 | 2022-01-04 | 湖北亿纬动力有限公司 | Piston type lithium battery explosion-proof valve structure |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115377604A (en) * | 2022-08-09 | 2022-11-22 | 电子科技大学长三角研究院(湖州) | Safe air leakage structure of lithium power battery shell |
CN115377604B (en) * | 2022-08-09 | 2023-07-25 | 电子科技大学长三角研究院(湖州) | Safety air leakage structure of lithium power battery shell |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US12009486B2 (en) | Safe and high-energy USB rechargeable battery | |
EP3544090B1 (en) | Top cover assembly for power battery and power battery having the same | |
CN212907969U (en) | Lithium battery explosion-proof protection device | |
CN214043801U (en) | Pole with explosion-proof structure | |
CN114464934A (en) | Explosion-proof type lithium battery shell | |
CN107799692A (en) | A kind of safety-type li battery shell | |
CN203826457U (en) | High-voltage nickel-metal hydride battery with high heat dissipation function and safety device | |
CN113794019A (en) | Explosion-proof type lithium ion battery with electrolyte discharge capacity | |
WO2011081334A2 (en) | Secondary battery having a vent hole | |
CN211555942U (en) | Honeycomb type battery case | |
CN216818568U (en) | Battery with explosion-proof function | |
CN205488300U (en) | Safety device of lithium cell group | |
CN205542960U (en) | Heat dissipation fire prevention power module | |
CN212162016U (en) | Explosion-proof lithium battery | |
CN213989056U (en) | Explosion-proof lithium battery | |
CN207353359U (en) | A kind of lithium battery with explosion-proof effect | |
CN211555975U (en) | Battery system | |
CN114039153B (en) | High-performance energy storage lithium battery with stable structure | |
CN211555974U (en) | Battery assembly | |
CN213150913U (en) | Explosion-proof device for lithium battery | |
CN213242679U (en) | Explosion-proof piece of battery cap | |
CN211150694U (en) | Explosion-proof battery | |
CN209822716U (en) | Battery package protection plate with explosion-proof structure | |
CN207818636U (en) | One kind automatically powering off protection lithium battery top cap plate and automatically powers off safe lithium battery | |
CN218242150U (en) | Lithium ion battery with cycle characteristic |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220510 |