CN109390503A - A kind of battery liquid-filling mouth structure and battery - Google Patents
A kind of battery liquid-filling mouth structure and battery Download PDFInfo
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- CN109390503A CN109390503A CN201811371778.8A CN201811371778A CN109390503A CN 109390503 A CN109390503 A CN 109390503A CN 201811371778 A CN201811371778 A CN 201811371778A CN 109390503 A CN109390503 A CN 109390503A
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- battery
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- spool
- fluid channel
- construction
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- 239000012530 fluid Substances 0.000 claims abstract description 136
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 238000010276 construction Methods 0.000 claims description 59
- 230000009471 action Effects 0.000 claims description 6
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000002347 injection Methods 0.000 abstract description 10
- 239000007924 injection Substances 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 239000003792 electrolyte Substances 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000020411 cell activation Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 206010016766 flatulence Diseases 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/06—Check valves with guided rigid valve members with guided stems
-
- 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
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling, Topping-Up Batteries (AREA)
Abstract
The present invention provides a kind of battery liquid-filling mouth structure and batteries, battery liquid-filling mouth structure is mounted on the cover board of battery, and it is located at the inside of battery, battery liquid-filling mouth structure includes valve body, the inside of valve body is formed with the fluid channel passed through for fluid, spool is provided on the flow path of fluid, spool is not by ambient pressure, fluid channel is closed, inside battery and outer closures；Spool opens fluid channel by ambient pressure, and the inside and outside of battery can carry out gas or fluid exchange.The fluid injection mouth structure of battery in the application, by using the design of check valve, inside battery liquid can only unidirectionally be flowed into along fluid channel, it can not flow back, while spool can be opened by external pressure, it is convenient that inside battery gas is discharged, simplify battery processing process, structure is safe and reliable, low in cost, it is proposed that large-scale promotion uses.
Description
Technical field
The present invention relates to battery technology fields, and in particular to a kind of battery liquid-filling mouth structure and battery.
Background technique
Electric energy is as a kind of clean energy resource, attention increasingly by various countries, and the manufacturing technology of battery is with China's entirety
The progress of scientific and technical strength, there has also been tremendous developments, but current battery is after the assembly is completed, exist during cell activation
The problem of discharge and flatulence, causes battery surface to occur being difficult to polish clean spot, influences production efficiency and product quality, together
When also will cause battery and easily deform, influence battery use.
Summary of the invention
In view of this, one of the objects of the present invention is to provide a kind of battery liquid-filling mouth structure, to solve in the prior art
There are problems that discharge and flatulence during existing cell activation.
In order to achieve the above objectives, the invention adopts the following technical scheme:
A kind of battery liquid-filling mouth structure, is mounted on the cover board of battery, and is located at the inside of the battery, the battery note
Liquid mouth structure includes valve body, and the inside of the valve body is formed with the fluid channel passed through for fluid, on the flowing road of the fluid
Spool, the spool construction are provided on diameter are as follows:
The spool closes the fluid channel not by ambient pressure, the inside battery and external envelope
It closes；For the spool by ambient pressure, the spool opens the fluid channel, the battery it is inside and outside
It can carry out gas or fluid exchange.
Preferably, the valve body includes limiting section, and elastic construction is provided between the spool and the limiting section, described
Elastic construction can be compressed,
When the spool closes the fluid channel, the elastic construction is in the first compressive state, the spool
It is moved under the action of the elastic construction towards the direction far from the limiting section；
When the fluid flows into the inside of the battery, the spool ties the elasticity under the action of fluid
Structure further compresses, and the elastic construction is in the second compressive state, and the elastic construction is moved towards the direction of the limiting section,
The fluid channel is opened.
Preferably, the elastic construction includes spring.
Preferably, the fluid channel includes that the first fluid structure being connected to is remained with the outside of the battery, with
And the second fluid structure being connected to is remained with the inside of the battery, in the first fluid structure and the second fluid
Be provided with construction of switch between structure, the spool and the construction of switch cooperate, the fluid channel is opened or
It closes；
When the fluid channel is opened, the inside of the outside of the battery and the battery passes through the first fluid structure
With the second fluid fabric connectivity,
When the fluid channel is closed, by the construction of switch and the spool by the outside of the battery and the electricity
The inside in pond disconnects.
Preferably, the first fluid structure and the second fluid structure are tubular structure, the first fluid knot
The area of the cross section of structure is less than the area of the cross section of the second fluid structure.
Preferably, the construction of switch protrudes setting towards the inside of the fluid channel by the inner wall of the fluid channel
It is formed,
When the spool and the construction of switch abut against, the elastic construction is in the first compressive state, the fluid
Channel is in close state；
When the spool is separated with the construction of switch, the elastic construction is in the second compressive state, and the fluid is logical
Road is in the open state.
Preferably, the construction of switch includes inclined surface, the first side of the inclined surface and the second fluid structure
Inner wall is connected, and the inclined surface is arranged by the inner inclination of first side towards the fluid channel, and the fluid channel closes
When closing, the spool is abutted against with the inclined surface.
Preferably, the spool includes spherical valve core；And/or
The side of the inside towards the battery of the valve body and the cover board is welded to connect.
Preferably, the valve body is made of copper or copper alloy；And/or
The valve body uses the colloidal materials with corrosion resistance to be made.
In order to achieve the above objectives, on the other hand, the present invention uses another technical solution are as follows:
A kind of battery, the liquid injecting mouth of the battery include battery liquid-filling mouth structure as described above.
The fluid injection mouth structure of battery in the application, by using the design of check valve, inside battery liquid can only along into
Fluid channel unidirectionally flows into, and can not flow back, and only electrolyte need to be injected inside battery by liquid injecting mouth in injection process, single
To valve good seal, do not have to worry electrolyte adverse current；Spool can be opened, easily by applying the external pressures such as pressing simultaneously
Inside battery gas is discharged, without opening relief valve, simplification of flowsheet.Technical solution in the application efficiently solves electricity
After pond liquid injection port leakage and inside battery generate gas, the problem of exhaust air technique is complicated, poor reliability, structure is safe and reliable, at
This is cheap, it is proposed that large-scale promotion uses.
Detailed description of the invention
By referring to the drawings to the description of the embodiment of the present invention, the above and other purposes of the present invention, feature and
Advantage will be apparent from, in the accompanying drawings:
Fig. 1 shows installation site signal of the battery liquid-filling mouth structure of specific embodiment of the invention offer on battery
Figure.
The partial structurtes enlarged drawing of the valve body in Fig. 1 provided Fig. 2 shows the specific embodiment of the invention.
In figure:
1, valve body；11, fluid channel；111, first fluid structure；112 second fluid structures；113 constructions of switch, 1131,
Inside protrusion；1132, inclined surface；12, spool；121, limiting section；122, elastic construction
2, battery cover board.
Specific embodiment
Below based on embodiment, present invention is described, it should be understood by one skilled in the art that provided herein
Attached drawing is provided to the purpose of explanation, and attached drawing is not necessarily drawn to scale.
Unless the context clearly requires otherwise, "include", "comprise" otherwise throughout the specification and claims etc. are similar
Word should be construed as the meaning for including rather than exclusive or exhaustive meaning；That is, be " including but not limited to " contains
Justice.
In the description of the present invention, it is to be understood that, term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " multiple "
It is two or more.
The orientation such as upper and lower in the application, are described with orientation described in Fig. 2.
As depicted in figs. 1 and 2, this application provides a kind of battery liquid-filling mouth structure, simultaneously position is mounted on the cover board 2 of battery
In the inside of battery, it is fixedly connected by the way of welding with battery cover board 2, certainly, engagement thread can also be used and be fixedly connected.
It is battery liquid-filling port (not exported in figure) to be located on battery cover board 2 at the top of battery liquid-filling mouth structure outer end；Battery liquid-filling mouth knot
Structure further includes valve body 1, and the inside of valve body 1 is formed with the fluid channel 11 passed through for fluid, passes through battery liquid-filling port and fluid
Channel 11 is realized and carries out fluid injection to inside battery.
Further, there is spool 12 in the fluid channel 11 of valve body, be set on the flow path of fluid, spool 12
Open and close state determines the switching state of fluid channel: when spool is opened, fluid channel 11 forms access, battery
It is inside and outside pass through fluid channel formed connection；When spool 12 is closed, fluid channel 11 forms open circuit, the inside of battery
It is connected to outside disconnection.
Further, spool is in close state not by ambient pressure, and fluid channel 11 disconnects, in battery
Portion and outer closures；Spool 12 by ambient pressure, spool 12 open, fluid channel 11 be connected to, battery it is inner and outer
Portion forms connection in turn, can carry out gas or fluid exchange.
In one specifically embodiment, by battery liquid-filling port inject battery fluid, the battery fluid that spool 12 is subject to by
Outside batteries are opened to the pressure (ambient pressure) of inside battery, fluid channel 11 open, battery fluid by fluid channel 11 into
Enter inside battery.After fluid injection stops, spool 12 is no longer influenced by the pressure of the battery fluid of injection, and spool is closed, and then fluid 11
Channel is closed, and the battery fluid of inside battery can not countercurrently go out, when efficiently solving battery liquid-filling, battery liquid-filling mouth leakage
Problem.
In another specifically embodiment, during cell activation, inside battery can generate gas, with a conduit
(not shown) is inserted into battery liquid-filling mouth structure, pushes down spool 12, makes spool 12 because by from outside batteries to inside battery
Pressure and open, and then fluid channel 11 is opened, and the gas of inside battery can pass through since there are draught heads with outside air
Fluid channel drains into outside batteries, realizes the exhaust of battery.When the air pressure of battery inside and outside is identical, exhaust is completed, and release is pressed
The conduit of pressure valve core 12, spool 12 restore closed state, and battery inside and outside is closed again, prevent battery fluid from outflowing.
Further, valve body 12 includes limiting section 121, and elastic construction 122, elasticity knot are provided between spool and limiting section
Structure can be compressed.Fluid channel 11 include the first fluid structure 111 being connected to is remained with the outside of battery, and with electricity
The inside in pond remains the second fluid structure 112 of connection, between first fluid structure 111 and second fluid structure 112
It is provided with construction of switch 113, the spool 12 cooperates with construction of switch 112, and the fluid channel 11 is opened or closed
It closes.
When spool 12 is not by ambient pressure, elastic construction 122 is in the first compressive state, and spool 12 is in elastic construction
It is moved under the action of 122 towards the direction far from the limiting section 121, i.e. the pressure that is generated by 122 deformation of elastic construction of spool 12
Power and squeeze construction of switch 113, disconnect first fluid structure 111 and second fluid structure 112, realize spool 12 closing and
The closing of fluid channel 11, and then realize the closing of battery inside and outside.
When ambient pressure of the spool 12 by ecto-entad, elastic construction 122 is in the second compressive state, and spool 12 exists
Balance is kept under the force action of elastic construction and ambient pressure, spool 12 is separated with press switch structure 113, makes first fluid knot
Structure 111 is connected to second fluid structure 112, realizes the opening of spool 12 and the opening of fluid channel 11, and then realize in battery
External connection allows battery to carry out the liquids and gases exchange of inside and outside.
When ambient pressure of the spool 12 by ecto-entad, pressure that spool 12 is generated by 122 deformation of elastic construction
Greater than ambient pressure, elastic construction 122 is still in the first compressive state, and the resultant force of 122 pressure of elastic construction and ambient pressure is still
Make spool outwardly against construction of switch 113, disconnects first fluid structure 111 and second fluid structure 112, realize spool 12
The closing with fluid channel 11 is closed, and then realizes the closing of battery inside and outside.Furthermore it is possible to pass through adjusting spool 11 and limit
The distance in portion 121 adjusts the first compressive state, to realize better seal effect.
Elastic construction 122 is preferably spring, and spring structure is simple, good reliability, and can accurately control it and be in the
The pressure provided when one compressive state can more preferably guarantee battery process quality, improve yields.
It is, of course, understood that elastic construction 122 can also be that other components are constituted, for example, elastic construction 122
For the support plate (not shown) with certain elastic deformation ability, support plate one end be fixed on limiting section 121 or
On 1 inner wall of person's valve body, the other end connect with spool 12 and in elastic deformation state, when spool 12 is not by ambient pressure, valve
Core 12 is supported plate due to pressure that deformation generates and outwardly against construction of switch 113, makes first fluid structure 111 and second
Fluidic structures 112 disconnect, and realize the closing of spool 12 and the closing of fluid channel 11, and then realize the closing of battery inside and outside；
When spool 12 is by ambient pressure, if ambient pressure is greater than the pressure that support plate deformation generates, spool 12 is to inside battery side
To mobile and further make support plate generation deformation, spool 12 is separated with construction of switch 113, makes first fluid structure 111 and the
The connection of two fluidic structures 112 realizes the opening of spool 12 and the opening of fluid channel 11, and then realizes the company of battery inside and outside
It is logical；After ambient pressure disappears, spool 12 is mobile to outside batteries direction again under the flexible deformation effect of support plate, outward
Construction of switch is squeezed, first fluid structure 111 and second fluid structure 112 is disconnected, realizes closing and the fluid channel of spool
Closing, and then realize battery inside and outside closing.The elastic construction of support piece structure, it is more simple compared to spring, and occupy
Inside battery space is smaller, has certain technical effect.
Further, first fluid structure 111 and second fluid structure 112 are tubular structure, first fluid structure 111
Cross section area be less than second fluid structure 112 cross section area, Simultaneous Switching structure 13 is by fluid channel
Wall is formed towards the protrusion setting of the inside of fluid channel, and when spool 12 and construction of switch 13 abut against, elastic construction 122 is in the
One compressive state, fluid channel 11 are in close state, in a preferred embodiment, inside protrusion 1131 and spool 12
Contact is that line contacts, and inside protrusion 1131 and the contact line of spool 12 are the circle concentric with valve body 1, passes through the circular contact line pair
First fluid structure 111 and second fluid structure carry out blocking 112, to realize the effect that fluid channel 11 is closed.The technology
Scheme is lower to requirement on machining accuracy, and the processing cost of 1 component of valve body can be effectively reduced.
In another preferred embodiment, inside protrusion 1131 is face contact, inside protrusion with the contact of spool 12
1131 completely attach to the outer surface part of spool 12, form an annular seal band concentric with valve body 1 and (do not show in figure
Out), by the annular seal band, first fluid structure 111 and second fluid structure 112 are blocked, to realize stream
The effect that body channel 11 is closed.The technical solution has better seal effect.
Further, construction of switch 113 includes inclined surface 1132, the first side of inclined surface 1132 and second fluid structure
112 inner wall is connected, and inclined surface 1132 is arranged by the inner inclination of the first side towards fluid channel, when fluid channel 11 is closed,
Spool 12 is abutted against with the inclined surface 1132.The structure designs the better tightness that can make hydraulic mechanism, reduces simultaneously
Difficulty when processing reduces processing cost.
Further, spool 12 is spherical valve core, and spherical valve core is at low cost, good airproof performance.Valve body uses copper or copper alloy
It is made, since valve body and battery electrolyte contact for a long time, material needs to have erosion-resisting feature, it is of course possible to understanding
It is to have located copper or Cu alloy material is, other colloidal materials with corrosion resistance also can be used as the rapidoprint of valve body.
The fluid injection mouth structure of battery in the application, by using the design of check valve, inside battery liquid can only along into
Fluid channel unidirectionally flows into, and can not flow back, and only electrolyte need to be injected inside battery by liquid injecting mouth in injection process, single
To valve good seal, do not have to worry electrolyte adverse current；Spool can be opened, easily by applying the external pressures such as pressing simultaneously
Inside battery gas is discharged, without opening relief valve, simplification of flowsheet.Technical solution in the application efficiently solves electricity
After pond liquid injection port leakage and inside battery generate gas, the problem of exhaust air technique is complicated, poor reliability, structure is safe and reliable, at
This is cheap, it is proposed that large-scale promotion uses.
Those skilled in the art will readily recognize that above-mentioned each preferred embodiment can be free under the premise of not conflicting
Ground combination, superposition.
The above is only a preferred embodiment of the present invention, is not intended to restrict the invention, to those skilled in the art,
The invention can have various changes and changes.It is all within the spirit and principles of the present invention made by any modification, equivalent replacement,
Improve etc., it should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of battery liquid-filling mouth structure, it is characterised in that: it is mounted on the cover board of battery, and is located at the inside of the battery,
The battery liquid-filling mouth structure includes valve body, and the inside of the valve body is formed with the fluid channel passed through for fluid, in the stream
Spool, the spool construction are provided on the flow path of body are as follows:
The spool closes the fluid channel not by ambient pressure, the inside battery and outer closures；Institute
Spool is stated by ambient pressure, the spool opens the fluid channel, and the inside and outside of the battery can be with
Carry out gas or fluid exchange.
2. battery liquid-filling mouth structure according to claim 1, which is characterized in that the valve body includes limiting section, the valve
Elastic construction is provided between core and the limiting section, the elastic construction can be compressed,
When the spool closes the fluid channel, the elastic construction is in the first compressive state, and the spool is in institute
It states and is moved towards the direction far from the limiting section under the action of elastic construction；
When the fluid flows into the inside of the battery, the spool under the action of fluid by the elastic construction into
The compression of one step, the elastic construction are in the second compressive state, and the elastic construction is moved towards the direction of the limiting section, by institute
State fluid channel unlatching.
3. battery liquid-filling mouth structure according to claim 2, which is characterized in that the elastic construction includes spring.
4. battery liquid-filling mouth structure according to claim 2, which is characterized in that the fluid channel includes and the battery
Outside remain the first fluid structure of connection, and the second fluid knot being connected to is remained with the inside of the battery
Structure is provided with construction of switch, the spool and the switch between the first fluid structure and the second fluid structure
Structure cooperates, and the fluid channel is opened or closed；
When the fluid channel is opened, the inside of the outside of the battery and the battery passes through the first fluid structure and institute
Second fluid fabric connectivity is stated,
When the fluid channel is closed, by the construction of switch and the spool by the outside of the battery and the battery
Inside disconnects.
5. battery liquid-filling mouth structure according to claim 4, which is characterized in that the first fluid structure and described second
Fluidic structures are tubular structure, and the area of the cross section of the first fluid structure is less than the transversal of the second fluid structure
The area in face.
6. battery liquid-filling mouth structure according to claim 4, which is characterized in that the construction of switch is by the fluid channel
Inner wall towards the fluid channel inside protrusion setting formed,
When the spool and the construction of switch abut against, the elastic construction is in the first compressive state, the fluid channel
It is in close state；
When the spool is separated with the construction of switch, the elastic construction is in the second compressive state, at the fluid channel
In open state.
7. battery liquid-filling mouth structure according to claim 6, which is characterized in that the construction of switch includes inclined surface, institute
The first side for stating inclined surface is connected with the inner wall of the second fluid structure, and the inclined surface is by first side towards the stream
The inner inclination in body channel is arranged, and when the fluid channel is closed, the spool is abutted against with the inclined surface.
8. according to claim 1 to battery liquid-filling mouth structure described in one of 7, which is characterized in that the spool includes globe valve
Core；And/or
The side of the inside towards the battery of the valve body and the cover board is welded to connect.
9. according to claim 1 to battery liquid-filling mouth structure described in one of 7, which is characterized in that the valve body uses copper or copper
Alloy is made；And/or
The valve body uses the colloidal materials with corrosion resistance to be made.
10. a kind of battery, which is characterized in that the liquid injecting mouth of the battery includes the battery note as described in one of claim 1 to 9
Liquid mouth structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811371778.8A CN109390503A (en) | 2018-11-15 | 2018-11-15 | A kind of battery liquid-filling mouth structure and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811371778.8A CN109390503A (en) | 2018-11-15 | 2018-11-15 | A kind of battery liquid-filling mouth structure and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109390503A true CN109390503A (en) | 2019-02-26 |
Family
ID=65428839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811371778.8A Pending CN109390503A (en) | 2018-11-15 | 2018-11-15 | A kind of battery liquid-filling mouth structure and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109390503A (en) |
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| CN112701428A (en) * | 2021-03-25 | 2021-04-23 | 江苏时代新能源科技有限公司 | End cover assembly, battery monomer, battery and consumer |
| WO2023131024A1 (en) * | 2022-01-04 | 2023-07-13 | 宁德时代新能源科技股份有限公司 | Liquid injection nozzle, and liquid injection device having same |
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| CN112701428A (en) * | 2021-03-25 | 2021-04-23 | 江苏时代新能源科技有限公司 | End cover assembly, battery monomer, battery and consumer |
| CN112701428B (en) * | 2021-03-25 | 2021-08-27 | 江苏时代新能源科技有限公司 | End cover assembly, battery monomer, battery and consumer |
| WO2023131024A1 (en) * | 2022-01-04 | 2023-07-13 | 宁德时代新能源科技股份有限公司 | Liquid injection nozzle, and liquid injection device having same |
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Application publication date: 20190226 |
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