CN110391480A - A kind of cylindrical cell - Google Patents
A kind of cylindrical cell Download PDFInfo
- Publication number
- CN110391480A CN110391480A CN201910741995.XA CN201910741995A CN110391480A CN 110391480 A CN110391480 A CN 110391480A CN 201910741995 A CN201910741995 A CN 201910741995A CN 110391480 A CN110391480 A CN 110391480A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- negative
- shell
- positive
- battery core
- 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
- 238000007789 sealing Methods 0.000 claims description 23
- 238000001727 in vivo Methods 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract description 2
- 230000010287 polarization Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000001535 kindling effect Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000008439 repair process Effects 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/643—Cylindrical cells
-
- 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
- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a kind of cylindrical cells, are related to battery technology field.The cylindrical cell includes shell, is dielectrically separated from component, cathode component and positive electrode, battery core is equipped in shell, cathode component and the negative electrode lug of battery core connect, and it contacts with each other with shell, it is connect in one end insertion shell of positive electrode and with the anode ear of battery core, it is dielectrically separated from component to be set between positive electrode and shell, positive electrode and shell is separated.Cylindrical cell provided by the invention has better heat dissipation effect, higher service life and safety in utilization.
Description
Technical field
The present invention relates to battery technology fields, in particular to a kind of cylindrical cell.
Background technique
Currently, cylindrical cell on the market, since its shell is by the encapsulating structure of battery core integral sealing, there are more serious
Heat dissipation problem, the especially biggish cylindrical lithium ion battery of charge-discharge magnification, temperature is higher in the course of work, causes to make
It is shorter with the service life, explosion, kindling can even occur when serious conditions, lead to injury to personnel and equipment damage.
Summary of the invention
The purpose of the present invention is to provide a kind of cylindrical cells, can enhance heat dissipation, and prolonging the service life and improving makes
Use safety.
The present invention provides a kind of technical solution:
A kind of cylindrical cell, including shell, it is dielectrically separated from component, cathode component and positive electrode, accommodating in the shell
There is battery core, the cathode component is connect with the negative electrode lug of the battery core, and is contacted with each other with the shell, the positive electrode
One end is inserted into the shell and is connect with the anode ear of the battery core, and the component that is dielectrically separated from is set to the positive electrode
Between the shell, the positive electrode and the shell are separated.
Further, the shell includes cylinder and negative cover, and the battery core is placed in the cylinder, the cathode
Cover board is connect with one end of the cylinder, first through hole is provided through in the negative cover, the cathode component is far from institute
The one end for stating battery core is pierced by by the first through hole, and is contacted with the negative cover.
Further, the cathode component includes negative terminal and cathode pinboard, one end of the negative terminal and the electricity
The negative electrode lug of core connects, and the other end is pierced by by the first through hole, and the cathode pinboard is sheathed on the side of the negative terminal
It on wall, and is bonded with the negative cover close to the side of the battery core, the side wall of the negative terminal and the first through hole
Side wall fitting.
Further, the negative cover is connect with the threaded one end of the cylinder.
Further, the first sealing ring is arranged in the negative cover, the end wall of one end of the cylinder is born with described
Polar cap plate clamps first sealing ring.
Further, the shell includes that cylinder and positive cover board, the battery core are placed in the cylinder, the cylinder
One end connect with the positive cover board, be provided through the second through-hole on the positive cover board, the positive electrode is far from institute
The one end for stating battery core is pierced by by second through-hole, and the component that is dielectrically separated from is set to the positive electrode and the positive cover
Between plate.
Further, the positive electrode includes positive terminal and positive pinboard, one end of the positive terminal and the electricity
The anode ear of core connects, and the other end is pierced by by second through-hole, and the anode pinboard is sheathed on the side of the positive terminal
On wall, and it is placed in the cylinder.
Further, the component that is dielectrically separated from includes the first separator and the second separator interconnected, and described
One separator and second separator are sheathed on the positive terminal, and first separator is set to the anode switching
Between plate and the positive cover board, second separator is set to the outer wall of the positive terminal and the side wall of second through-hole
Between.
Further, the positive cover board is connect with the threaded one end of the cylinder.
Further, be arranged with the second sealing ring on the positive cover board, the end wall of one end of the cylinder and it is described just
Polar cap plate clamps second sealing ring.
Compared with prior art, cylindrical cell provided by the invention, cathode component are connect with battery core, i.e., defeated as cathode
Out, cathode component contacts with each other with shell, i.e., shell is in cathode.It is connect in one end insertion shell of positive electrode and with battery core,
I.e. as anode output, it is dielectrically separated from component and is set between positive electrode and shell, positive electrode and shell are separated.Shell
Body is in cathode, is connected with the cathode of battery core, during the work time, battery core can be radiated by shell.Therefore, the present invention mentions
The beneficial effect of the cylindrical cell of confession is: having better heat dissipation effect, higher service life and safety in utilization.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described.It should be appreciated that the following drawings illustrates only certain embodiments of the present invention, therefore it is not construed as pair
The restriction of range.It for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the decomposition texture schematic diagram for the cylindrical cell that the embodiment of the present invention provides；
Fig. 2 is the connection structure of the cathode component of the cylindrical cell that provides of the embodiment of the present invention, cylinder and negative cover
Cross-sectional view；
Fig. 3 is the connection structure of the positive electrode for the cylindrical cell that the embodiment of the present invention provides, cylinder and positive cover board
Cross-sectional view.
Icon: 100- cylindrical cell；110- shell；111- cylinder；113- negative cover；1131- first through hole；115- is just
Polar cap plate；The second through-hole of 1151-；130- is dielectrically separated from component；The first separator of 131-；The second separator of 133-；150- cathode
Component；151- negative terminal；153- cathode pinboard；170- positive electrode；171- positive terminal；173- anode pinboard；180-
One sealing ring；The second sealing ring of 190-.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.Obviously, described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it is to be understood that, term " on ", "lower", "inner", "outside", "left", "right" etc. indicate
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when usually put
Orientation or positional relationship or the orientation or positional relationship that usually understands of those skilled in the art, be merely for convenience of retouching
It states the present invention and simplifies description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with specific
Orientation construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " etc. are only used for distinguishing description, it is not understood to indicate or imply relatively important
Property.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, " setting ", " even
Connect " etc. terms shall be understood in a broad sense, for example, " connection " may be a fixed connection, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be and be directly connected to, can also be indirectly connected with by intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned
The concrete meaning of term in the present invention.
With reference to the accompanying drawing, detailed description of the preferred embodiments.
Embodiment
It please refers to shown in Fig. 1, cylindrical cell 100 provided in this embodiment, there is better heat dissipation effect, higher use
Service life and safety in utilization.
Cylindrical cell 100 provided in this embodiment, including shell 110, it is dielectrically separated from component 130, cathode component 150, just
Pole component 170, the first sealing ring 180 and the second sealing ring 190.Battery core, cathode component 150 and battery core are equipped in shell 110
Negative electrode lug connection, as the cathode output end of battery, positive electrode 170 is connect with the anode ear of battery core, just as battery
Pole output end.Cathode component 150 is contacted with shell 110, and in practical applications, shell 110 uses the metals such as copper, aluminium, cathode group
Part 150 makes 110 negative polarization of shell, and in charge and discharge process, entire shell 110 can radiate outward, reduces inside shell 110
Temperature, the surface area of shell 110 is big, radiates wide, and radiating rate is fast, that is, has better heat dissipation effect, and then battery
The service life is longer, and safety in utilization is higher.
To avoid positive electrode 170 from contacting with shell 110, it is dielectrically separated from component 130 and is set to positive electrode 170 and shell
Between 110, positive electrode 170 is isolated with shell 110 for realization, and the two is avoided to contact.
In the present embodiment, shell 110 is fabricated construction comprising cylinder 111 and the cathode connecting respectively with cylinder 111
Cover board 113 and positive cover board 115.The section of cylinder 111 is rounded, corresponding, and negative cover 113 is in positive cover board 115
Circle, battery core are placed in inside cylinder 111.
Incorporated by reference to shown in Fig. 1 and Fig. 2, being provided through first through hole 1131 in negative cover 113, first through hole 1131
Extending direction is identical as the extending direction of cylinder 111.The one end of cathode component 150 far from battery core is pierced by by first through hole 1131,
And contacted with negative cover 113, cathode component 150 is pierced by one end of first through hole 1131 for external circuits.
Cathode component 150 includes negative terminal 151 and cathode pinboard 153, one end of negative terminal 151 and the negative electrode lug of battery core
Connection, the other end are pierced by by first through hole 1131, and cathode pinboard 153 is sheathed on the side wall of negative terminal 151, and and cathode
The side wall of column 151 is bonded completely, and cathode pinboard 153 is placed in cylinder 111, and with negative cover 113 close to the one of battery core
Side fitting, meanwhile, the side wall of negative terminal 151 is also bonded with the side wall of first through hole 1131.In practical applications, the cathode of battery core
Ear is connect by negative terminal 151 and cathode pinboard 153 with negative cover 113, by 113 negative polarization of negative cover.
Also, negative cover 113 is connect with the threaded one end of cylinder 111, in the present embodiment.It is arranged in negative cover 113
There is external screw thread, one end of cylinder 111 is provided with internal screw thread engaged therewith, and negative cover 113 is threadedly coupled with cylinder 111, into
And by 111 negative polarization of cylinder.In other embodiments, internal screw thread also can be set in negative cover 113, corresponding, cylinder 111
The matched external screw thread of upper setting.
Therefore, negative cover 113 and cylinder 111 in practical charge and discharge process, can play heat dissipation by negative polarization
Effect, internal heat is distributed in time, guarantees the normal use of battery, prolongs its service life, improves safety.
It is arranged with the first sealing ring 180 in order to guarantee the leakproofness being threadedly coupled, in negative cover 113, the one of cylinder 111
The end wall and negative cover 113 at end clamp the first sealing ring 180.In this present embodiment, external thread section in negative cover 113
Tail end circumferential direction is recessed with card slot, and the first sealing ring 180 is embedded in this card slot, and protrudes from the notch of card slot.In practical peace
During dress, negative cover 113 can clamp the first sealing ring before it will screw on cylinder 111 together with the end wall of cylinder 111
180, the gap between the end wall of cylinder 111 and negative cover 113 is fully sealed, keeps away by 180 extrusion of the first sealing ring
Exempt from external moisture or dust enters the inside of cylinder 111.
Likewise, being provided through the second through-hole 1151 on positive cover board 115 incorporated by reference to shown in Fig. 1 and Fig. 3, second is logical
The extending direction in hole 1151 is identical as the extending direction of cylinder 111.The one end of positive electrode 170 far from battery core is by the second through-hole
1151 are pierced by, and are dielectrically separated from component 130 and are set between positive electrode 170 and positive cover board 115, realize positive electrode 170
It is separated with positive cover board 115, also, there is also gap between positive electrode 170 and cylinder 111, not in contact with.Positive electrode
170 are pierced by one end of the second through-hole 1151 for external circuits.
Positive electrode 170 includes positive terminal 171 and positive pinboard 173, one end of positive terminal 171 and the anode ear of battery core
Connection, the other end are pierced by by the second through-hole 1151, and positive pinboard 173 is sheathed on the side wall of positive terminal 171, and is placed in
In cylinder 111.It is dielectrically separated from component 130 to be set between positive pinboard 173 and positive cover board 115, while also in anode
Between column 171 and the side wall of the second through-hole 1151.
In the present embodiment, it is dielectrically separated from component 130 and includes the first separator 131 interconnected and the second separator 133,
First separator 131 and the second separator 133 are sheathed on positive terminal 171, and the first separator 131 is in the form of annular discs, are set to
Between positive pinboard 173 and positive cover board 115, the second separator 133 is in ring wall shape, be set to the outer wall of positive terminal 171 with
Between the side wall of second through-hole 1151.In the present embodiment, the first separator 131 and the second separator 133 are all made of high temperature resistant, resistance to
The PFA material of corrosion.
Likewise, positive cover board 115 is connect with the threaded one end of cylinder 111, in the present embodiment, set on positive cover board 115
Be equipped with external screw thread, one end on cylinder 111 far from negative cover 113 is provided with internal screw thread engaged therewith, positive cover board 115 with
Cylinder 111 is threadedly coupled, and then in positive cover board 115 also by negative polarization.It in other embodiments, can also on positive cover board 115
It is corresponding internal screw thread is arranged, matched external screw thread is set on cylinder 111.
Therefore, cylinder 111, negative cover 113 and positive cover board 115 are by negative polarization, in practical charge and discharge process, three
Person is radiated simultaneously, and radiating surface is very big, and heat dissipation effect is fabulous.
Equally, in order to guarantee the leakproofness being threadedly coupled, the second sealing ring 190, cylinder are arranged on positive cover board 115
The end wall of one end of 111 separate negative cover 113 and positive cover board 115 clamp the second sealing ring 190.In this present embodiment,
The tail end circumferential direction of external thread section on positive cover board 115 is recessed with card slot, and the second sealing ring 190 is embedded in this card slot, and
Protrude from the notch of card slot.In actual installation process, positive cover board 115 on cylinder 111 before it will screw, meeting and cylinder
111 end wall clamps the second sealing ring 190,190 extrusion of the second sealing ring, by the end wall of cylinder 111 and anode together
Gap between cover board 115 is fully sealed, and external moisture or dust is avoided to enter the inside of cylinder 111.
In the present embodiment, shell 110 passes through 150 negative polarization of cathode component, then in charge and discharge process, can be to shell 110
Inside radiate, heat dissipation area is big, good heat dissipation effect, avoid the excessively high damage of battery temperature, prolong its service life, improve
Safety in utilization.In addition, in the present embodiment, shell 110 uses fabricated construction, cylinder 111 respectively with negative cover 113 and just
Polar cap plate 115 is all made of threaded connection, be different from the prior art in welded connecting form, assembling process is simple, is produced into
This is lower.
Therefore, cylindrical cell 100 provided in this embodiment has better heat dissipation effect, higher service life and makes
Use safety.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of cylindrical cell, which is characterized in that including shell, be dielectrically separated from component, cathode component and positive electrode, the shell
Be equipped with battery core in vivo, the cathode component is connect with the negative electrode lug of the battery core, and is contacted with each other with the shell, it is described just
One end of pole component is inserted into the shell and connect with the anode ear of the battery core, described to be dielectrically separated from described in component is set to
Between positive electrode and the shell, the positive electrode and the shell are separated.
2. cylindrical cell according to claim 1, which is characterized in that the shell includes cylinder and negative cover, described
Battery core is placed in the cylinder, and the negative cover is connect with one end of the cylinder, through setting in the negative cover
Have first through hole, the described one end of cathode component far from the battery core is pierced by by the first through hole, and with the negative cover
Contact.
3. cylindrical cell according to claim 2, which is characterized in that the cathode component includes negative terminal and cathode switching
Plate, one end of the negative terminal are connect with the negative electrode lug of the battery core, and the other end is pierced by by the first through hole, the cathode
Pinboard is sheathed on the side wall of the negative terminal, and is bonded with the negative cover close to the side of the battery core, described negative
The side wall of pole is bonded with the side wall of the first through hole.
4. cylindrical cell according to claim 2, which is characterized in that the threaded one end of the negative cover and the cylinder
Connection.
5. cylindrical cell according to claim 4, which is characterized in that the first sealing ring is arranged in the negative cover,
The end wall of one end of the cylinder and the negative cover clamp first sealing ring.
6. cylindrical cell according to claim 1, which is characterized in that the shell includes cylinder and positive cover board, described
Battery core is placed in the cylinder, and one end of the cylinder is connect with the positive cover board, through setting on the anode cover board
There is the second through-hole, the one end of the positive electrode far from the battery core is pierced by by second through-hole, described to be dielectrically separated from component
It is set between the positive electrode and the positive cover board.
7. cylindrical cell according to claim 6, which is characterized in that the positive electrode includes positive terminal and anode switching
Plate, one end of the positive terminal are connect with the anode ear of the battery core, and the other end is pierced by by second through-hole, the anode
Pinboard is sheathed on the side wall of the positive terminal, and is placed in the cylinder.
8. cylindrical cell according to claim 7, which is characterized in that the component that is dielectrically separated from includes interconnected
One separator and the second separator, first separator and second separator are sheathed on the positive terminal, described
First separator is set between the positive pinboard and the positive cover board, and second separator is set to the anode
Between the outer wall of column and the side wall of second through-hole.
9. cylindrical cell according to claim 6, which is characterized in that the threaded one end of the anode cover board and the cylinder
Connection.
10. cylindrical cell according to claim 9, which is characterized in that it is arranged with the second sealing ring on the anode cover board,
The end wall of one end of the cylinder and the positive cover board clamp second sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910741995.XA CN110391480A (en) | 2019-08-12 | 2019-08-12 | A kind of cylindrical cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910741995.XA CN110391480A (en) | 2019-08-12 | 2019-08-12 | A kind of cylindrical cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110391480A true CN110391480A (en) | 2019-10-29 |
Family
ID=68288517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910741995.XA Pending CN110391480A (en) | 2019-08-12 | 2019-08-12 | A kind of cylindrical cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110391480A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024099189A1 (en) * | 2022-11-07 | 2024-05-16 | 南京泉峰科技有限公司 | Battery pack and charging combination |
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2019
- 2019-08-12 CN CN201910741995.XA patent/CN110391480A/en active Pending
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| Title |
|---|
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