CN207896129U - Novel lithium ion battery cover plate device and lithium ion battery comprising the device - Google Patents
Novel lithium ion battery cover plate device and lithium ion battery comprising the device Download PDFInfo
- Publication number
- CN207896129U CN207896129U CN201721730524.1U CN201721730524U CN207896129U CN 207896129 U CN207896129 U CN 207896129U CN 201721730524 U CN201721730524 U CN 201721730524U CN 207896129 U CN207896129 U CN 207896129U
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- Prior art keywords
- lithium ion
- ion battery
- explosion
- valve body
- cover plate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a kind of novel lithium ion battery cover plate devices, including cover board body and the pole for being set to the cover board body both ends, it is characterized in that, it is provided with the explosion-proof fill orifice for lithium ion to be perfused between two poles, dismountable explosion-proof valve is sealed and installed at the explosion-proof fill orifice.When requiring supplementation with electrolyte, explosion-proof valve is removed, supplement electrolyte is perfused to inside battery via explosion-proof fill orifice, simultaneously because explosion-proof and fluid injection assembles a hole, the through-hole of fluid injection becomes larger, and the perfusion of electrolyte, perfusion can be accelerated convenient and efficient.Perfusion after the completion of explosion-proof valve is installed again, closing battery inner space enables lithium ion battery to work normally, and can be multiple recycling, it is cost-effective.The invention also discloses a kind of lithium ion batteries including above-mentioned novel lithium ion battery cover plate device.
Description
Technical field
The utility model is related to field of batteries, more particularly to a kind of novel lithium ion battery cover plate device.In addition, this reality
A kind of lithium ion battery including above-mentioned apparatus is further related to novel.
Background technology
Lithium ion battery (is separated the positive/negative plate structure of plural number by diaphragm by shell and mounted in the battery naked core of enclosure interior
At) and cover board composition, while lithium ion battery has capacity big, and it is light-weight, it has extended cycle life, energy density is high, without memory
And many advantages, such as environmentally friendly, therefore be widely used a variety of in electric vehicle, electric bicycle, energy-storage system etc.
Field.
Wherein, an important main part in cover board battery, existing covering plate structure include aluminium sheet, pole, explosion-proof valve with
And liquid injection hole, explosion-proof valve play safeguard protection, weld sealing nail and liquid injection hole by way of laser welding, ensure
The sealing of battery, this covering plate structure needs laser welding apparatus, therefore equipment investment is big, high energy consumption, simultaneously because lithium ion
Battery can consume internal electrolyte, can increase battery by way of supplementing electrolyte during prolonged use
After service life, the liquid injection hole of battery and sealing tack welding connect, become an entirety, it has not been convenient to which the recycling of follow-up battery core is sharp again
With.
Therefore, how a kind of novel lithium that can facilitate supplement electrolyte in order to lithium ion battery recycling is provided
Ion battery cover board arrangement is a technical problem that technical personnel in the field need to solve at present.
Utility model content
The purpose of this utility model is to provide a kind of novel lithium ion battery cover plate device, can facilitate supplement electrolyte,
Convenient for lithium ion battery recycling.The another object of the utility model is to provide a kind of lithium-ion electric including above-mentioned apparatus
Pond can facilitate supplement electrolyte, be convenient for lithium ion battery recycling.
In order to solve the above technical problems, the utility model provides a kind of novel lithium ion battery cover plate device, including cover board
Ontology and the pole for being set to the cover board body both ends are provided with for the explosion-proof of electrolyte to be perfused between two poles
Fill orifice is sealed and installed with dismountable explosion-proof valve at the explosion-proof fill orifice.
Preferably, the explosion-proof valve includes cyclic annular valve body and burst disk, the periphery of the ring-type valve body and the explosion-proof filling
The inner circumferential of orifice is in close contact, and the burst disk is fixedly connected on the downside end face of the cyclic annular valve body, and covers the ring-type
Through-hole in the middle part of valve body.
Preferably, the explosion-proof fill orifice is specially two-part stepped hole, and the diameter of two-part stepped hole upper end is big
The periphery of diameter in lower end, the ring-type valve body upper end is provided with limited step, the periphery of the ring-type valve body lower end and institute
The inner circumferential for stating two-part stepped hole lower end is in close contact, and the periphery of the limited step is interior with two-part stepped hole upper end
Week is in close contact.
Preferably, the periphery of the cyclic annular valve body lower end is provided with external screw thread, the inner circumferential of two-part stepped hole lower end
It is provided with the internal thread coordinated with the external screw thread.
Preferably, the periphery of the cyclic annular valve body is set with sealing ring, and the both sides of the face of the sealing ring are mutually butted on respectively
The lower face of the end face and the limited step of the two-part stepped hole is provided with facing component on the external screw thread.
Preferably, the upper surface of the cyclic annular valve body is less than the upper surface of the cover board body.
Preferably, the upper surface of the cyclic annular valve body is provided with the groove for tool to be fixedly mounted.
Preferably, including two grooves being mutually parallel, the both sides of the cyclic annular valve body upper surface are respectively arranged at,
And the extending direction of two grooves is directed to the center of the cyclic annular valve body.
The utility model provides a kind of lithium ion battery, including shell and the new type lithium ion battery for being installed on the shell
Cover board arrangement, the novel lithium ion battery cover plate device are specially the novel lithium ion battery cover plate described in above-mentioned any one
Device.
Preferably, the lithium ion battery is specially lithium ion battery with aluminum shell.
The utility model provides a kind of novel lithium ion battery cover plate device, including cover board body and is set to cover board body
The pole at both ends is provided with the explosion-proof fill orifice for electrolyte to be perfused between two poles, installation is sealed at explosion-proof fill orifice
There is dismountable explosion-proof valve.When requiring supplementation with electrolyte, explosion-proof valve is removed, is perfused and supplements to inside battery via explosion-proof fill orifice
Electrolyte, simultaneously because explosion-proof and fluid injection assembles a hole, i.e., explosion-proof fill orifice had both had the function of explosion-proof also with perfusion
Effect, the through-hole of fluid injection becomes larger, and the perfusion of lithium ion, perfusion can be accelerated convenient and efficient.Explosion-proof valve is installed again after the completion of perfusion,
Closing battery inner space, i.e. explosion-proof valve also have the work of switching inside battery closed state while playing explosion-proof
With, lithium ion battery works normally after the completion of enabling perfusion, and can be multiple recycling, it is cost-effective.
The utility model also provides a kind of lithium ion battery including above-mentioned novel lithium ion battery cover plate device, due to upper
It states device to have above-mentioned technique effect, above-mentioned lithium ion battery should also have same technique effect, no longer be discussed in detail herein.
Description of the drawings
Fig. 1 is a kind of structure of specific implementation mode of novel lithium ion battery cover plate device provided by the utility model
Schematic diagram；
Fig. 2 is explosion-proof in a kind of specific implementation mode of novel lithium ion battery cover plate device provided by the utility model
The structural schematic diagram of valve.
Specific implementation mode
The core of the utility model is to provide a kind of novel lithium ion battery cover plate device, can facilitate supplement electrolyte,
Convenient for lithium ion battery recycling.Another core of the utility model is to provide a kind of lithium-ion electric including above-mentioned apparatus
Pond can facilitate supplement electrolyte, be convenient for lithium ion battery recycling.
In order to make those skilled in the art more fully understand the utility model, below in conjunction with the accompanying drawings and it is embodied
The utility model is described in further detail for mode.
Please refer to Fig.1 and Fig. 2, Fig. 1 be novel lithium ion battery cover plate device provided by the utility model a kind of tool
The structural schematic diagram of body embodiment；Fig. 2 is a kind of tool of novel lithium ion battery cover plate device provided by the utility model
The structural schematic diagram of explosion-proof valve in body embodiment.
Specific embodiment of the present invention provides a kind of novel lithium ion battery cover plate device, including 1 He of cover board body
It is set to the pole 2 at 1 both ends of cover board body, the explosion-proof fill orifice 3 for electrolyte to be perfused is provided between two poles 2, is prevented
Dismountable explosion-proof valve 4 is sealed and installed at quick-fried fill orifice 3.
When requiring supplementation with electrolyte, explosion-proof valve 4 is removed, supplement electrolyte is perfused to inside battery via explosion-proof fill orifice 3,
Simultaneously because explosion-proof and fluid injection assembles a hole, i.e., explosion-proof fill orifice 3 both had the function of it is explosion-proof also have the function of being perfused,
The through-hole of fluid injection becomes larger, and the perfusion of electrolyte, perfusion can be accelerated convenient and efficient.Explosion-proof valve 4, closing electricity are installed again after the completion of perfusion
Pond inner space, i.e. explosion-proof valve 4 also have switching inside battery closed state while playing the role of explosion-proof, make filling
Lithium ion battery can work normally after the completion of note, and can be multiple recycling, it is cost-effective.
Explosion-proof valve 4 can have various structures, can be cylinder shape valve, in order to save material, or cyclic annular valve body
41, i.e. the peripheral structure of cylinder shape valve is constant, a through-hole is arranged in the middle, however, to ensure that leakproofness, needs to set
The burst disk 42 for the downside end face for being fixedly connected on cyclic annular valve body 41 is set, burst disk 42 can be welded in cyclic annular valve body 41, certainly
Can also be used other connection types, burst disk 42 and the through-hole for covering 41 middle part of cyclic annular valve body, the periphery of cyclic annular valve body 41 with it is anti-
The inner circumferential of quick-fried fill orifice 3 is in close contact, and ensures to be tightly connected.Wherein each component is in the following, direction on one side towards inside battery
The one side of outside batteries is above.
In the novel lithium ion battery cover plate device that specific embodiment of the present invention provides, explosion-proof fill orifice 3 has
Body is two-part stepped hole, i.e., two-part stepped hole is divided into two sections, and the diameter of the upper end is more than the diameter of lower end, cyclic annular valve body 41
The periphery of upper end is provided with limited step 43, and the inner circumferential of the periphery and two-part stepped hole lower end of 41 lower end of cyclic annular valve body closely connects
It touches, the periphery of limited step 43 and the inner circumferential of two-part stepped hole upper end are in close contact, you can with by the periphery of cyclic annular valve body 41
It is interpreted as a two-part multi-diameter shaft, limited step 43 is the big end of two-part multi-diameter shaft, two-part multi-diameter shaft and two-part
Stepped hole matches, and cyclic annular valve body 41 is made to be installed in two-part stepped hole.
The mode that interference fit may be used is attached, and threaded connection, the periphery of 41 lower end of cyclic annular valve body can also be used
It is provided with external screw thread, the inner circumferential of two-part stepped hole lower end is provided with the internal thread coordinated with external screw thread.Cyclic annular valve body 41 screws in
In two-part stepped hole, and connected with external screw thread by internal thread, it, can be on external screw thread in order to improve the stability of threaded connection
Facing component is set.
In order to improve leakproofness, the periphery of cyclic annular valve body 41 is set with sealing ring 5, and the both sides of the face of sealing ring 5 distinguish phase
It is butted on the lower face of the end face and limited step 43 of two-part stepped hole.Specifically, sealing ring 5 can be rubber seal, lid
Plate ontology can be aluminium sheet, or use other materials, both be within the protection scope of the present invention.
On the basis of the novel lithium ion battery cover plate device that above-mentioned each specific implementation mode provides, cyclic annular valve body 41
Upper surface is less than the upper surface of cover board body 1, i.e. the depth of two-part stepped hole upper end is more than 5 liang of limited step 43 and sealing ring
The sum of height of person, after ensureing that explosion-proof valve 4 is installed on explosion-proof fill orifice 3, the upper surface of cover board body 1 is smooth without protrusion part.
Further, for the ease of the dismounting that is installed on of explosion-proof valve 4, the upper surface of cyclic annular valve body 41 is provided with for fixing
The groove 44 of installation tool.Specifically, including two grooves 44 being mutually parallel, it is respectively arranged at 41 upper surface of cyclic annular valve body
Both sides, and the extending direction of two grooves 44 is directed to the center of cyclic annular valve body 41.Installation tool can be caught in groove 44, rotation
Turning installation tool can drive cyclic annular valve body 41 to rotate, it is made to detach or connect with cover board body 1.
In addition to above-mentioned novel lithium ion battery cover plate device, specific embodiment of the present utility model also provides one kind and includes
The lithium ion battery of above-mentioned novel lithium ion battery cover plate device, the structure of other each sections of the lithium ion battery please refer to existing
Technology, repeats no more herein.
Specifically, above-mentioned lithium ion battery can be lithium ion battery with aluminum shell.
Above to novel lithium ion battery cover plate device provided by the utility model and with the lithium-ion electric of the device
Pond is described in detail.Specific case used herein is expounded the principles of the present invention and embodiment,
The explanation of above example is only intended to the method and its core concept that help understands the utility model.It should be pointed out that for this
It, without departing from the principle of this utility model, can also be to the utility model for the those of ordinary skill of technical field
Some improvement and modification can also be carried out, and modifications and modifications also fall within the protection scope of the claims of the utility model.
Claims (10)
1. a kind of novel lithium ion battery cover plate device, including cover board body (1) and it is set to the cover board body (1) both ends
Pole (2), which is characterized in that the explosion-proof fill orifice (3) for electrolyte to be perfused, institute are provided between two poles (2)
It states and is sealed and installed with dismountable explosion-proof valve (4) at explosion-proof fill orifice (3).
2. novel lithium ion battery cover plate device according to claim 1, which is characterized in that the explosion-proof valve (4) includes
Cyclic annular valve body (41) and burst disk (42), the periphery of the ring-type valve body (41) and the inner circumferential of the explosion-proof fill orifice (3) are close
Contact, the burst disk (42) are fixedly connected on the downside end face of the cyclic annular valve body (41), and cover the cyclic annular valve body
(41) through-hole in the middle part of.
3. novel lithium ion battery cover plate device according to claim 2, which is characterized in that the explosion-proof fill orifice (3)
Specially two-part stepped hole, the diameter of two-part stepped hole upper end are more than the diameter of lower end, the ring-type valve body (41)
The periphery of upper end is provided with limited step (43), the periphery and two-part stepped hole lower end of described ring-type valve body (41) lower end
Inner circumferential be in close contact, the periphery of the limited step (43) and the inner circumferential of two-part stepped hole upper end are in close contact.
4. novel lithium ion battery cover plate device according to claim 3, which is characterized in that under the ring-type valve body (41)
The periphery at end is provided with external screw thread, and the inner circumferential of two-part stepped hole lower end is provided with the interior spiral shell coordinated with the external screw thread
Line.
5. novel lithium ion battery cover plate device according to claim 4, which is characterized in that the ring-type valve body (41)
Periphery is set with sealing ring (5), the both sides of the face of the sealing ring (5) be mutually butted on respectively the two-part stepped hole end face and
The lower face of the limited step (43) is provided with facing component on the external screw thread.
6. the novel lithium ion battery cover plate device according to claim 2 to 5 any one, which is characterized in that the ring
The upper surface of shape valve body (41) is less than the upper surface of the cover board body (1).
7. novel lithium ion battery cover plate device according to claim 6, which is characterized in that the ring-type valve body (41)
Upper surface is provided with the groove (44) for tool to be fixedly mounted.
8. novel lithium ion battery cover plate device according to claim 7, which is characterized in that be mutually parallel including two
The groove (44) is respectively arranged at the both sides of described cyclic annular valve body (41) upper surface, and the extension of two grooves (44)
Direction is directed to the center of the cyclic annular valve body (41).
9. a kind of lithium ion battery, including shell and the novel lithium ion battery cover plate device for being installed on the shell, feature
It is, the novel lithium ion battery cover plate device is specially the new type lithium ion battery described in claim 1 to 8 any one
Cover board arrangement.
10. lithium ion battery according to claim 9, which is characterized in that the lithium ion battery be specially aluminum hull lithium from
Sub- battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721730524.1U CN207896129U (en) | 2017-12-12 | 2017-12-12 | Novel lithium ion battery cover plate device and lithium ion battery comprising the device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721730524.1U CN207896129U (en) | 2017-12-12 | 2017-12-12 | Novel lithium ion battery cover plate device and lithium ion battery comprising the device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207896129U true CN207896129U (en) | 2018-09-21 |
Family
ID=63548578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721730524.1U Active CN207896129U (en) | 2017-12-12 | 2017-12-12 | Novel lithium ion battery cover plate device and lithium ion battery comprising the device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207896129U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022047788A1 (en) * | 2020-09-07 | 2022-03-10 | 宁德时代新能源科技股份有限公司 | End cover assembly, housing assembly, battery cell, battery, and powered device |
| CN115472974A (en) * | 2022-09-14 | 2022-12-13 | 阜阳海钠科技有限责任公司 | Battery sealing safety device, lithium sodium ion battery and secondary utilization method |
-
2017
- 2017-12-12 CN CN201721730524.1U patent/CN207896129U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022047788A1 (en) * | 2020-09-07 | 2022-03-10 | 宁德时代新能源科技股份有限公司 | End cover assembly, housing assembly, battery cell, battery, and powered device |
| EP3993153A4 (en) * | 2020-09-07 | 2022-08-24 | Contemporary Amperex Technology Co., Limited | End cover assembly, housing assembly, battery cell, battery, and powered device |
| JP7476335B2 (en) | 2020-09-07 | 2024-04-30 | 寧徳時代新能源科技股▲分▼有限公司 | End cover assembly, housing assembly, battery cell, battery and electrical consumer equipment |
| CN115472974A (en) * | 2022-09-14 | 2022-12-13 | 阜阳海钠科技有限责任公司 | Battery sealing safety device, lithium sodium ion battery and secondary utilization method |
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