CN210443634U - High-temperature pressurization formation device and high-temperature pressurization formation equipment for lithium ion battery - Google Patents
High-temperature pressurization formation device and high-temperature pressurization formation equipment for lithium ion battery Download PDFInfo
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- CN210443634U CN210443634U CN201921001197.5U CN201921001197U CN210443634U CN 210443634 U CN210443634 U CN 210443634U CN 201921001197 U CN201921001197 U CN 201921001197U CN 210443634 U CN210443634 U CN 210443634U
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Abstract
The utility model discloses a lithium ion battery high temperature pressurization becomes device and high temperature pressurization becomes equipment belongs to lithium ion battery technical field. The battery comprises a battery, wherein a tab is arranged in the battery, a cavity is arranged inside the battery, the battery further comprises an air guide component, an electric conduction component and a stabilizing component, the air guide component comprises an air guide part, the air guide part penetrates through the stabilizing component, one end of the air guide part is arranged in the battery cavity, the other end of the air guide part is arranged outside the battery, the electric conduction component penetrates through the stabilizing component, one end of the air guide part is connected with the tab, and. The pressurization to the inside of the battery is completed through the air guide assembly, the defects of the space positions of the lugs are overcome through the conductive piece, the relative positions of the conductive piece and the air guide piece are stable through the stabilizing assembly, and a closed environment is provided for the formation of the lithium ion battery. The formation efficiency is improved, an SEI film formed in the formation of the lithium ion battery is compact and stable, the problem that gas generated in the closed formation lithium ion battery cannot be released is solved, and the service life and the safety performance of the battery are improved.
Description
Technical Field
The utility model belongs to the technical field of lithium ion battery, more specifically say, relate to a lithium ion battery high temperature pressurization becomes device and high temperature pressurization becomes equipment.
Background
In the first charge-discharge process of the lithium ion battery, an electrode material and an electrolyte react on a solid-liquid phase interface to form a passivation layer covering the surface of the electrode material, the formed passivation layer can effectively prevent solvent molecules from passing through, but Li < + > can be freely inserted and extracted through the passivation layer and has the characteristics of a solid electrolyte, so that the passivation layer is called a solid electrolyte interface (solid electrolyte interface), namely SEI.
The formation of the battery is a process of activating the manufactured battery through a certain charge and discharge system. The existing battery formation technology mainly comprises the following steps:
negative pressure formation: and in the formation process, the battery cell is always vacuumized from the liquid injection nozzle, and the vacuum degree is generally-80 Kpa, so that the gas generated by formation can be timely exhausted. The interface is ensured to be stable and consistent, the subsequent air extraction process is simplified, and the defects are that the requirement on the air tightness of equipment is high, the equipment is complex and high in cost, electrolyte loss is caused, and the requirement on the relative humidity of the environment is high.
Opening into a film: in the formation process, the liquid injection port of the battery cell is always in a normal-pressure open state, so that the formed gas can be partially discharged. The chemical and gas production can be partially eliminated, the consistency of the interface is ensured in a certain aspect, the equipment is simpler, and the cost is lower. But the air extraction process is more complex than negative pressure, and has longer standing time and high requirement on the relative humidity of the environment.
And (3) forming a closed opening: in the formation process, the liquid injection nozzle of the battery core is always in a sealed state, the equipment is simple, the cost is low, and no requirement is imposed on the environmental humidity. However, in practical operation, the air extraction process is complex, the standing time is long, and the cell shell has plastic deformation risk.
High-temperature formation: in the formation process, the battery core is in a high-temperature environment, such as 45/60/80 ℃, so that the electrochemical reaction speed and the SEI film growth speed are increased, and the film consistency is improved.
Low-temperature formation: in the formation process, the battery core is in a low-temperature environment, such as 30/25/20 ℃, and the formed SEI film is dense and stable, but the formation time is long.
Cylindrical lithium ion batteries among lithium ion batteries are widely applied to electronic products, and through technological accumulation for many years, the uniformity and safety performance of the produced cylindrical batteries reach higher standards, and particularly 21700 cylindrical batteries which develop faster in recent years (21700 batteries are the latest cylindrical lithium battery standard developed by the united states tesla automobile company and japan panasonic company) have already gained market acceptance. 21700 the battery has the characteristics of high energy density, long cycle life, and low production cost, but the battery is generally formed by closed-cell formation. For the cylindrical battery, the closed formation mode cannot effectively discharge gas, the gas remained in the battery affects the safety performance of the battery, the safety valve is opened, the short circuit is caused, even the battery explodes under special conditions, and great hidden danger is caused to the safe use of the battery.
In view of the above situation, in recent years, a high-temperature pressurization method has appeared, for example, chinese patent application nos.: 201820901476.6, filing date: 2018.06.09, the equipment can improve the formation efficiency and quality of polymer battery, and increase the cycle life of battery, but the equipment is complex and difficult to be applied to liquid lithium battery.
Disclosure of Invention
1. Problems to be solved
The problem of being difficult to carry out the high temperature pressurization to become to current lithium ion battery, the utility model provides a lithium ion battery high temperature pressurization becomes device accomplishes the pressurization to battery inside through the air guide subassembly, and the spatial position of utmost point ear has been solved to electrically conductive piece not enough, and the relative position that electrically conductive piece and air guide piece have been guaranteed to firm subassembly is stable to become for lithium ion battery and provide the confined environment.
Another object of the utility model is to provide a lithium ion battery high temperature pressurization becomes equipment, uses this equipment to improve into efficiency for the SEI film that forms when lithium ion battery becomes is fine and close and stable, has solved simultaneously and has closed to become the problem that the lithium ion battery is inside to produce gaseous unable release, has improved the life and the security performance of battery.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
The utility model discloses a lithium ion battery high temperature pressurization becomes device, which comprises a battery, be equipped with utmost point ear in the battery, inside is equipped with the cavity, still includes air guide component, electrically conductive piece and firm subassembly, the air guide component is including leading the gas spare, leading the gas spare and passing firm subassembly, during the battery cavity is arranged in to one end, the battery outside is arranged in to the other end, electrically conductive piece passes firm subassembly, and one end and utmost point ear are connected, and the battery outside is arranged in to the other end.
As a further improvement, the subassembly that stabilizes includes sealed lid, sealed lid includes sealing washer and top surface, the battery outside is arranged in to the sealing washer is detachable, sealing washer and top surface fixed connection, be equipped with the spacing hole of first spacing hole and second on the top surface, first spacing hole corresponds the setting with the cavity, and first spacing hole is connected with air guide clearance fit, electrically conductive piece passes the spacing hole of second.
As a further improvement, the subassembly that stabilizes still includes the holder, the holder includes fixed frame, fixed frame is fixed at sealed lid inboard, and fixed frame is hollow framework, and is equipped with the through-hole (three continuous faces, its concrete meaning does) on the at least continuous three face of hollow framework, expandes fixed frame, is equipped with a face that is equipped with the through-hole on the pair of the edge of the face in the middle of the through-hole respectively, and its three faces can increase other faces on this basis on a straight line.
As a further improvement, the holder still includes the roof pressure pole, the roof pressure pole passes fixed frame one side through-hole, in the use of reality, only is equipped with under the condition of through-hole on three face on fixed frame, for better use and make things convenient for the design and the manufacturing use of roof pressure pole, the roof pressure pole need pass middle through-hole to accomplish the work of roof pressure, and do not hinder the effectual work of other parts, roof pressure pole one end roof pressure air guide spare, other end roof pressure electrically conductive.
As a further improvement, the clamping member further comprises a spring, the spring is sleeved outside the top pressure rod and is located between the fixed frame and the air guide member.
As a further improvement of the utility model, the air guide piece is the air guide pipe, and in the inside cavity of battery was arranged in to air guide pipe one end, the other end passed first spacing hole and was arranged in the top surface outside.
As a further improvement of the utility model, the air duct has elasticity, and the material mainly comprises more than one of rubber, PU, PVC, PP, PE.
As a further improvement, the conductive piece is a conductive piece, one end of the conductive piece is connected with the tab, and the other end of the conductive piece sequentially passes through the clamping piece and the second limiting hole and is arranged outside the top surface.
As a further improvement of the utility model, the air guide assembly further comprises an air pressure controller, and the air pressure controller is connected with one end of the air guide tube arranged outside the battery.
The utility model discloses a lithium ion battery high temperature pressurization becomes equipment, including the lithium ion battery high temperature pressurization becomes device and charging device of any of the above-mentioned, charging device becomes the device with lithium ion battery high temperature pressurization and is connected.
3. Advantageous effects
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model relates to a high-temperature pressurizing formation device of a lithium ion battery, one end of the battery is provided with an opening, the opening is connected with a concrete part of the high-temperature pressurizing device, an air guide component realizes the pressurization of the formation state of the lithium ion battery, because other components are additionally added on the basis of the battery, the inconvenience is caused by directly connecting the battery tabs, the length of the tabs is prolonged, the excessive tab needs to be removed after formation, which causes waste of material, so that it is necessary to introduce a conductive member to connect the tab with an external charging device, according to the structural characteristics of the battery, the conductive piece is only required to be arranged on one side of the opening of the battery, the stabilizing component is mainly used for stabilizing the air guide component and the conductive piece, so that when the components are installed and used, the relative position between the battery and the battery is changed, so that formation cannot be achieved, and the battery is damaged;
(2) the utility model discloses a lithium ion battery high temperature pressurization becomes device, the sealed lid's effect mainly is the relative position of fixed air guide spare and electrically conductive piece to seal to the battery is inside, makes the battery when carrying out the high temperature pressurization and becomes, and the battery is inside to form the confined environment, avoids the interference of external environment factor, makes the battery can play fine characteristic in the use stage of formation stage and later stage;
(3) the utility model discloses a lithium ion battery high temperature pressurization becomes device, sealed lid includes sealing washer and top surface, the sealing washer cup joints and cramps in the battery outside, can select according to the concrete shape of battery, the effect of top surface is for seting up spacing hole on the top surface and carry out the spacing of position to conductive piece and air guide, avoid the part to take place the skew in installation and use, because the position of placing of air guide corresponds with the cavity of battery inside, so its setting position of first spacing hole that corresponds with the air guide also needs to correspond with the cavity of battery inside;
(4) the utility model discloses a lithium ion battery high temperature pressurization becomes device, the holder mainly makes conductive piece and battery utmost point ear zonulae occludens, and confirm the relative position of conductive piece and air guide piece, through seting up the through-hole on fixed frame, conductive piece passes from the through-hole of relative setting, and carry out the roof pressure by the roof pressure pole that the through-hole between the through-hole of relative setting passed, make the position of conductive piece can not change, avoid conductive piece and battery utmost point ear to take place the phenomenon of separation, for better use, the roof pressure pole is in the process of placing and using, can not come off from fixed frame, the middle part diameter of roof pressure pole is less than the through-hole diameter, the biggest external diameter of both ends is greater than the through-;
(5) in the high-temperature pressurization formation device for the lithium ion battery, the action of the spring limits the movement of the top pressure rod along the non-length direction of the top pressure rod on one hand, and the movement of the top pressure rod along the non-length direction can also cause poor effect of the top pressure conductive piece in the debugging process;
(6) the utility model discloses a lithium ion battery high temperature pressurization becomes device, in the in-service use process, the air guide piece generally chooses the air duct that has certain elasticity for use, in the air duct in the ventilation process, the air duct can take place the inflation because of the material reason, on the one hand and clearance fit between the first spacing hole, after the pressurization inflation, air duct and the first spacing hole between the close coupling, reach sealed effect, the one end that the air duct stretched into the battery is confined, in the cavity of battery (the cavity outside is formed by the battery roll core of a circle, the SEI membrane that forms in the formation stage is attached to battery roll core surface), the air duct stretches into and supports and lean on the battery wall, the air duct outside is the battery roll core, utilize the air duct characteristic of can expand under the pressurization condition, support to the battery roll core, in the lithium ion battery formation stage, the battery roll core that supports and leans on through the air, the SEI film is compact and stable, and the lithium ion battery formation efficiency is improved;
(7) the utility model discloses a lithium ion battery high temperature pressurization becomes device, the air duct has the expansion characteristic of pressurizing, the roof pressure pole of roof pressure air duct receives the roof pressure of air duct, the spring shrink, and roof pressure spare roof pressure conductive piece makes conductive piece more stable under operating condition, avoids the phenomenon of separation taking place between conductive piece and the lithium ion battery utmost point ear;
(8) the utility model discloses a lithium ion battery high temperature pressurization becomes equipment has improved and has become efficiency for the SEI membrane that forms when lithium ion battery becomes is fine and close and stable, has solved simultaneously and has closed to become the problem that the lithium ion battery internal production gas can't release, has improved the life and the security performance of battery.
Drawings
Fig. 1 is a schematic view of the overall structure of a lithium ion battery high-temperature pressurization formation device without an air pressure controller according to the present invention;
fig. 2 is a schematic view of the overall structure of a high-temperature pressurization formation device for a lithium ion battery of the present invention;
FIG. 3 is a schematic view of the basic structure of FIG. 1 with the top surface removed;
FIG. 4 is a schematic view of the basic structure of FIG. 1 with the stabilizing assembly removed;
fig. 5 is a schematic view of the basic structure of the top surface in embodiment 1 of the present invention.
In the drawings: 100. a battery;
200. an air guide assembly; 210. a gas guide; 220. a pneumatic controller;
300. a conductive member;
400. a stabilizing assembly; 410. a sealing cover; 411. a seal ring; 412. a top surface; 413. a first limit hole; 414. a second limiting hole; 420. a clamping member; 421. a fixing frame; 422. a top pressure rod; 423. a spring.
Detailed Description
The present invention will be further described with reference to the following specific embodiments.
The application provides a lithium ion battery high temperature pressurization becomes device based on 21700 lithium ion battery becomes the problem that faces in the battery, the final high temperature pressurization that obtains the effect when lithium ion battery becomes the device comparatively superior, can become the device with the high temperature pressurization of this application through changing corresponding size and use to other cylindrical batteries in the middle of, through shape and the size that changes sealed lid, can become the device with the high temperature pressurization of this application and use to non-cylindrical battery in, for example, square battery, ultimate implementation effect is still superior, the release that the gas that lithium ion battery internal formation in-process generated can be fine, and the compact stability of SEI membrane on the battery roll core, improve life and the security of battery. When the high-temperature pressurizing formation device is used, the environment temperature needs to be adjusted to be within the temperature range of 45-60 ℃. A high-temperature pressure formation apparatus of a lithium ion battery according to the present application will be described below by taking an 21700 battery as an example.
Example 1
As shown in fig. 1-5, the high-temperature pressurization formation apparatus for a lithium ion battery of this embodiment includes a battery 100, an air guide assembly 200, a conductive assembly 300, and a stabilizing assembly 400, where the battery 100 is a 21700 battery, and has an opening at one end, a battery winding core and a tab are disposed in the battery 100, and a cavity is formed in the center of the battery winding core. The battery 100 has an opening at one end, the opening is connected with a specific part of a high-temperature pressurizing device, the air guide assembly 200 realizes pressurizing of the lithium ion battery in a formation state, and other parts are additionally added on the basis of the battery 100, so that the battery tab is directly connected to cause inconvenience, the length of the tab is prolonged, redundant tabs need to be removed after formation, and material waste is caused, therefore, it is necessary to introduce the conductive piece 300 to connect the tab with external charging equipment, according to the structural characteristics of the battery 100, the conductive piece 300 only needs to be arranged at one side of the opening of the battery 100, the main function of the stabilizing assembly 400 is to stabilize the air guide assembly 200 and the conductive piece 300, and the problem that the relative position of the component and the battery 100 is changed and can not be formed and the battery 100 is damaged when the component is installed and used is avoided.
The air guide 200 includes an air guide 210 and an air pressure controller 220. The air guide piece 210 is an air guide tube, one end of which is arranged in the inner cavity of the battery 100 and is abutted against the inner wall of the lithium ion battery 100; the air guide 210 mainly guides air, and generally a tube with certain elasticity can be selected, and the air guide 210 of this embodiment is an air guide tube made of rubber material. In the air duct in the process of ventilating, the air duct can take place the inflation because of the material reason, clearance fit between on the one hand and the first spacing hole 413, after the pressurization inflation, the air duct and the first spacing hole 413 between the close coupling, reach sealed effect, the one end that the air duct stretches into battery 100 is the confined, in the cavity of battery 100, the air duct stretches into and supports and lean on the battery 100 wall, the air duct outside is the battery core of rolling up, utilize the air duct expandable characteristic under the pressurization condition, roll up the core to support to the battery and lean on, in lithium ion battery ization one-tenth stage, the battery core of rolling up that supports through the air duct, its SEI membrane is fine and close stable, improve lithium ion battery 100 and become.
The air pressure controller 220 is generally connected with the air guide pipe by adopting an air pressure pump to guide air into the air guide pipe, and is convenient to use and control.
The conductive member 300 is a metal conductive sheet, one end of which is connected to a tab of the battery 100 and the other end of which extends out of the battery 100, and is convenient to use, simple and easy to operate.
The sealing cover 410 is a circular cover and comprises a sealing ring 411 and a top surface 412, the sealing ring 411 is fixedly connected with the top surface 412, a first limiting hole 413 and a second limiting hole 414 are arranged on the top surface 412, the first limiting hole 413 corresponds to the cavity, the first limiting hole 413 is in clearance fit connection with the air guide pipe, and the conducting strip penetrates through the second limiting hole 414. Sealing washer 411 cup joints and cramps in the battery 100 outside, can select according to the concrete shape of battery 100, and the effect of top surface 412 is for seting up spacing hole on top surface 412 and carry out the spacing of position to conducting strip and air duct, avoids the part to take place the skew at the installation and in-process of using, because the position of placing of air duct is corresponding with the inside cavity of battery 100, so it also need correspond with the inside cavity of battery 100 to set up the position with its spacing hole 413 of first that the air duct corresponds.
The clamping member 420 includes a fixing frame 421, a pressing rod 422, and a spring 423. The fixing frame 421 is fixed inside the sealing cover 410, the fixing frame 421 is a hollow frame, and at least three continuous surfaces of the hollow frame are provided with through holes (three continuous surfaces, which means that the fixing frame 421 is unfolded, one surface provided with a through hole is connected to each of the pair of opposite sides of the surface provided with the through hole, and the three surfaces are on a straight line, and the other surfaces can be added on the basis). The clamping member 420 is mainly used for tightly connecting the conducting plate with the battery tab, determining the relative position of the conducting plate and the air duct, and through the through hole formed in the fixing frame 421, the conducting plate passes through the through hole which is oppositely arranged, and is jacked by the jacking rod 422 which passes through the through hole which is oppositely arranged between the through holes, so that the position of the conducting plate cannot be changed, and the phenomenon that the conducting plate is separated from the battery tab is avoided.
The spring 423 is sleeved outside the top pressure rod 422 and is located between the outside of the fixing frame 421 and the air duct. The action of the spring 423 limits the movement of the top press rod 422 along the non-length direction of the top press rod 422 on one hand, and the movement of the top press rod 422 along the non-length direction can also make the effect of pressing the conductive sheet poor in the debugging process. The air duct has the characteristic of pressurization and expansion, the jacking rod 422 jacking the air duct is jacked by the air duct, the spring 423 contracts, and the jacking piece jacks the conductive piece 300, so that the conductive piece 300 is more stable in the working state, and the phenomenon that the conductive piece 300 is separated from the lug of the lithium ion battery is avoided.
When the high-temperature pressurization formation device for the lithium ion battery is in a working state, the high-temperature pressurization formation device can be used after being installed according to the connection structure shown in fig. 2 and 3, after the formation of the lithium ion battery is completed, the air pressure formed by the formation of the lithium ion battery in the battery 100 can be released only by opening the sealing cover 410, and the high-temperature pressurization formation device is convenient to use and excellent in effect.
Example 2
The present embodiment has the same structure as the high-temperature pressurization forming apparatus of the lithium ion battery in embodiment 1, except that the sealing ring 411 and the top surface 412 are formed by integral plastic injection molding, and the second limiting hole 414 and the conductive sheet are formed into a tight combination by injection molding.
Example 3
The present embodiment has the same structure as the high temperature pressure forming apparatus of the lithium ion battery in embodiment 1 or 2, except that the gas guiding tube is made of PVC material.
Example 4
This embodiment is the same as the high-temperature pressure forming apparatus of embodiment 1 or 2, except that the gas-guide tube is made of a mixture of PP and PE.
Example 5
The lithium ion battery of this embodiment has a structure substantially the same as that of the high-temperature pressurizing forming apparatus of embodiments 1 to 4, except that the lithium ion battery of this embodiment is a square battery, and the shape of the corresponding sealing cover 410 corresponds to the shape of the opening of the square battery.
Example 6
This embodiment provides a lithium ion battery high-temperature pressurization formation apparatus based on embodiments 1 to 5, including the lithium ion battery high-temperature pressurization formation device and the charging device described in any of embodiments 1 to 4, where the charging device is connected to a conductive sheet of the lithium ion battery high-temperature pressurization formation device. When the lithium ion battery is formed, the lithium ion battery needs to be charged, a corresponding charging device is needed, the charging device has no special part aiming at the high-temperature pressurization forming equipment of the lithium ion battery, and the charging device which is commonly used for battery formation in the prior art can be used. By adopting the high-temperature pressurization formation equipment for the lithium ion battery, the formation efficiency is improved, an SEI film formed in the formation of the lithium ion battery is compact and stable, the problem that gas generated in the closed formation lithium ion battery cannot be released is solved, and the service life and the safety performance of the battery are improved.
The above examples describe the present invention and its embodiments, and the description is not intended to be limiting. It should be noted that, for those skilled in the art, without departing from the inventive concept of the present invention, the structural modes and embodiments similar to the technical solutions should be designed without creativity, and all shall fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a lithium ion battery high temperature pressurization becomes device, includes battery (100), be equipped with utmost point ear in battery (100), inside is equipped with cavity, its characterized in that: still include air guide subassembly (200), electrically conductive (300) and stabilize subassembly (400), air guide subassembly (200) are including air guide spare (210), air guide spare (210) pass and stabilize subassembly (400), and the battery cavity is arranged in to one end, and the battery (100) outside is arranged in to the other end, electrically conductive (300) pass and stabilize subassembly (400), and one end is connected with utmost point ear, and the battery (100) outside is arranged in to the other end.
2. The high-temperature pressurization formation device of the lithium ion battery according to claim 1, characterized in that: the stabilizing component (400) comprises a sealing cover (410), the sealing cover (410) comprises a sealing ring (411) and a top surface (412), the sealing ring (411) can be detachably arranged on the outer side of the battery (100), the sealing ring (411) is fixedly connected with the top surface (412), a first limiting hole (413) and a second limiting hole (414) are formed in the top surface (412), the first limiting hole (413) is arranged corresponding to the cavity, the first limiting hole (413) is connected with the air guide piece (210) in a clearance fit mode, and the conductive piece (300) penetrates through the second limiting hole (414).
3. The high-temperature pressurization formation device of the lithium ion battery according to claim 2, characterized in that: firm subassembly (400) still includes holder (420), holder (420) are including fixed frame (421), fixed frame (421) are fixed at sealed lid (410) inboardly, and fixed frame (421) are hollow frame body, and are equipped with the through-hole on the at least continuous three face of hollow frame body.
4. The high-temperature pressurization formation device of the lithium ion battery according to claim 3, characterized in that: the clamping piece (420) further comprises a top pressure rod (422), the top pressure rod (422) penetrates through a through hole in one side of the fixing frame (421), one end of the top pressure rod (422) is pressed against the air guide piece (210), and the other end of the top pressure rod (422) is pressed against the conductive piece (300).
5. The high-temperature pressurization formation device of the lithium ion battery according to claim 4, characterized in that: the clamping piece (420) further comprises a spring (423), and the spring (423) is sleeved on the outer side of the top pressure rod (422) and is located between the outer side of the fixing frame (421) and the air guide piece (210).
6. The high-temperature pressure formation device for the lithium ion battery according to any one of claims 2 to 5, wherein: the air guide piece (210) is an air guide tube, one end of the air guide tube is arranged in the cavity inside the battery (100), and the other end of the air guide tube penetrates through the first limiting hole (413) and is arranged on the outer side of the top surface (412).
7. The high-temperature pressurization formation device of the lithium ion battery according to claim 6, characterized in that: the air duct is elastic and made of one of rubber, PU, PVC, PP and PE.
8. The high-temperature pressure formation device for the lithium ion battery according to any one of claims 2 to 5, wherein: the conductive piece (300) is a conductive piece, one end of the conductive piece is connected with the pole ear, and the other end of the conductive piece sequentially penetrates through the clamping piece (420) and the second limiting hole (414) and is arranged on the outer side of the top surface (412).
9. The high-temperature pressure formation device for the lithium ion battery according to any one of claims 1 to 5, wherein: the air guide assembly (200) further comprises an air pressure controller (220), and the air pressure controller (220) is connected with one end of the air guide tube arranged on the outer side of the battery (100).
10. A high-temperature pressurization formation equipment for lithium ion batteries, comprising the high-temperature pressurization formation device for lithium ion batteries as claimed in any one of claims 1 to 9 and a charging device, wherein the charging device is connected with the high-temperature pressurization formation device for lithium ion batteries.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921001197.5U CN210443634U (en) | 2019-06-28 | 2019-06-28 | High-temperature pressurization formation device and high-temperature pressurization formation equipment for lithium ion battery |
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| CN201921001197.5U CN210443634U (en) | 2019-06-28 | 2019-06-28 | High-temperature pressurization formation device and high-temperature pressurization formation equipment for lithium ion battery |
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