CN205846146U - A kind of coiling body - Google Patents
A kind of coiling body Download PDFInfo
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- CN205846146U CN205846146U CN201620553789.8U CN201620553789U CN205846146U CN 205846146 U CN205846146 U CN 205846146U CN 201620553789 U CN201620553789 U CN 201620553789U CN 205846146 U CN205846146 U CN 205846146U
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- Prior art keywords
- pole
- pole piece
- coiling body
- negative
- lug
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The open a kind of coiling body of this utility model, including anode pole piece and cathode pole piece, described anode pole piece and described cathode pole piece are separated by barrier film and wind, connect near the position of winding center on described anode pole piece and have positive pole ear, negative lug is connected near the position of winding center on described cathode pole piece, described positive pole ear is drawn along the width of described anode pole piece and described cathode pole piece with described negative lug, and described positive pole ear is contrary with the lead direction of described negative lug.Lug is by the coiling body drawn near center, and in charge and discharge process, that pole piece is pullled active force is little in the deformation of coiling body, therefore anode pole piece and cathode pole piece the most not easy fracture, it is possible to increase the discharge and recharge number of times of rechargeable battery, increases the service life.
Description
Technical field
This utility model relates to cell art, particularly relates to a kind of coiling body.
Background technology
Along with dressing the rise of product, the variation of electricity consumption product, miniaturization are the most obvious.Space due to electricity consumption product
Limit, its battery used needs have the characteristic that volume is little, electricity is big, under normal circumstances the miniaturization of product can improve right
Manufacturing technology level and the requirement of product design level, when product miniaturization to a certain extent time, technological and manufacturing level is wanted
Asking and will appear from a steep increasing, there is big change in product design concept, even there will be diametrically opposite change.
Due to more and more higher to the requirement of equipment flying power, this just requires that manufacturer is in the premise ensureing properties of product
Under, improve that the inside of battery product is actual to be utilized space and then improve energy density as far as possible.In the market as dressing
Product power supply mainly have Soft Roll and two kinds of structures of box hat, wherein Soft Roll cylindrical battery configuration is as it is shown in figure 1, its positive pole ear 1 '
Extending to contrary both direction with negative lug 2 ', this structure occupies and too much effectively utilizes space so that it is internal actual
Utilizing space to receive bigger waste, soft-package battery is due to encapsulation characteristic and the restriction of aluminum plastic film scour hole depth simultaneously so that it is product
Cannot compare with box hat encapsulation of lithium ion battery in terms of energy density in cylindrical battery miniaturization, box hat battery product has more
Add shape regular, attractive in appearance, by more favors during use.
Due to technological and manufacturing level and the backwardness of design concept, the secondary lithium-ion rechargeable battery of traditional structure always without
Method realizes industrialized production, and even laboratory sample also cannot make, and it main reason is that miniaturization secondary lithium battery
Coiling body winding layer is tight, and both positive and negative polarity pole piece stress is big, and during the use of finished product, coiling body constantly shrinks, expands, and causes
Both positive and negative polarity pole piece is constantly pullled, and the secondary lithium battery pole piece width that volume is the least is the least, causes what it can bear to draw
Power is the most too small, and the blank foil near zone at lug spot welding that pole piece stress is the most fragile is very easy to phenomenon of rupture.
Utility model content
The purpose of this utility model is: provide a kind of coiling body, and it can avoid pole piece during charging repeatedly
Stress is excessive causes tear, and impact uses.
For reaching this purpose, this utility model by the following technical solutions:
A kind of coiling body is provided, including anode pole piece and cathode pole piece, described anode pole piece and described cathode pole piece by
Barrier film separates and winds, and described anode pole piece connects near the position of winding center has positive pole ear, on described cathode pole piece
Connect negative lug near the position of winding center, described positive pole ear and described negative lug are along described anode pole piece and institute
The width stating cathode pole piece is drawn, and described positive pole ear is contrary with the lead direction of described negative lug.
As a kind of preferably technical scheme of described coiling body, described coiling body has and is perpendicular to its winding axis
First end face and second end face relative with described first end face, described positive pole ear is by described first end of described coiling body
Face is drawn, and described negative lug is drawn by described second end face of described coiling body, and extends to described along described second end face
The perimembranous of coiling body.
As a kind of preferably technical scheme of described coiling body, described positive pole ear has with described anode pole piece even
Anode ear the first linkage section of connecing, the anode ear extension extended to the perimembranous of described coiling body along described first end face and
For connecting anode ear second linkage section of described positive electrode；
Described negative lug have be connected with described negative straps negative electrode lug the first linkage section, along described second end face
The negative electrode lug extension extended to the perimembranous of described coiling body and the negative electrode lug second being used for connecting described negative pole assembly connect
Section.
As a kind of preferably technical scheme of described coiling body, described anode pole piece has and is coated with positive-active material
The positive pole film district of material and positive pole blank spot welding zone, described positive pole blank spot welding zone is positioned at described anode pole piece near coiling body
The end at center, described anode pole piece remainder in addition to described positive pole blank spot welding zone is positive pole film district；
Described cathode pole piece has negative pole film district and the negative pole blank spot welding zone being coated with negative active core-shell material, described
Negative pole blank spot welding zone is positioned at the described cathode pole piece end near coiling body center, and described cathode pole piece is blank except described negative pole
Remainder outside Welding Area is negative pole film district.
As a kind of preferably technical scheme of described coiling body, described anode ear the first linkage section and described positive pole pole
Sheet is welded to connect at described positive pole blank spot welding zone, and described negative electrode lug the first linkage section and described cathode pole piece are empty at described negative pole
White point welding zone is welded to connect.
As a kind of preferably technical scheme of described coiling body, described negative electrode lug the second linkage section is by described second end
Towards described first end face direction bending, make described anode ear the second linkage section and described negative electrode lug the second linkage section bearing of trend
Identical.
As a kind of preferably technical scheme of described coiling body, described positive pole blank spot welding zone is pasted with the first glue
Paper, described anode ear the first linkage section is arranged between described positive pole blank spot welding zone and described first gummed paper；
Described negative pole blank spot welding zone is pasted with the second gummed paper, and it is empty that described negative electrode lug the first linkage section is arranged at described negative pole
Between white point welding zone and described second gummed paper.
As a kind of preferably technical scheme of described coiling body, described positive pole ear is aluminium pole ears, described negative pole pole
Ear is nickel lug.
As a kind of preferably technical scheme of described coiling body, described negative lug is along the thickness side of described coiling body
Development length upwards is more than the thickness of described coiling body.
As a kind of preferably technical scheme of described coiling body, described anode ear the second linkage section is away from described positive pole
One end of ear extension is provided with loop connecting portion.
The beneficial effects of the utility model are: lug, by the coiling body drawn near center, is rolled up in charge and discharge process
It is little that pole piece is pullled active force by the deformation around body, therefore anode pole piece and cathode pole piece the most not easy fracture, it is possible to increase can fill
The discharge and recharge number of times of electricity battery, increases the service life.
Accompanying drawing explanation
Below according to drawings and Examples, the present invention is described in further detail.
Fig. 1 is Soft Roll cylindrical battery configuration schematic diagram in prior art.
Fig. 2 is chargeable lithium ion battery with hard shell structural representation described in embodiment.
Fig. 3 is coiling body structural representation described in embodiment.
Fig. 4 is the processing method flow chart of chargeable lithium ion battery with hard shell described in embodiment.
In Fig. 1:
1 ', positive pole ear；2 ', negative lug；
In Fig. 2 to 3:
1, box hat；2, cathode pole piece；3, anode pole piece；4, barrier film；5, negative lug；6, negative pole steel loop；7, block；8, just
Pole pole；9, positive pole steel loop；10, insulation spacer；11, positive pole ear；12, fluid sealant.
Detailed description of the invention
Further illustrate technical scheme below in conjunction with the accompanying drawings and by detailed description of the invention.
As shown in figs. 2 to 4, in the present embodiment, the chargeable lithium ion battery with hard shell of one of the present invention, including just
Pole assembly and negative pole assembly, described positive electrode and described negative pole assembly mutually insulated, form coiling body between the two and install
Space, is provided with electrolyte and coiling body in described coiling body installing space, described coiling body divides from the position near its center
Not Yin Chu positive pole ear 11 and negative lug 5, described positive pole ear 11 electrically connects with described positive electrode, described negative lug
5 electrically connect with described negative pole assembly.The position at described close coiling body center is to be positioned at winding initiating terminal in winding process
Position, the winding of coiling body, as winding center, uses lug by the coiling body drawn near center, i.e. anode pole piece
3 and cathode pole piece 2 be easiest to the position of tear and be arranged on close the center of coiling body, volume in this position charge and discharge process
Minimum around the deformation of body, therefore to anode pole piece 3 and cathode pole piece 2 to pull active force little, swollen in charging process repeatedly
Swollen and contraction is difficult to pull bad anode pole piece 3 and cathode pole piece 2, it is possible to increase the discharge and recharge number of times of rechargeable battery, prolongation makes
Use the life-span.
Concrete, in the present embodiment, described positive electrode includes positive pole steel loop 9 and Positive Poles 8, the institute of electrical connection
Stating positive pole steel loop 9 and be set in described Positive Poles 8 outside, described positive pole ear 11 electrically connects with described Positive Poles 8.Described negative
Pole assembly includes the box hat 1 with peristome and is arranged on the negative pole steel loop 6 of described peristome, and described box hat 1 is negative with described
Pole steel loop 6 electrically connects, and described negative lug 5 is connected between described box hat 1 and described negative pole steel loop 6.
Positive electrode i.e. forms the positive terminal of chargeable lithium ion battery with hard shell, negative pole assembly formed chargeable duricrust lithium from
The negative pole end of sub-battery.
As it is shown on figure 3, described coiling body includes anode pole piece 3 and cathode pole piece 2, described anode pole piece 3 is negative with described
Pole pole piece 2 is separated by barrier film 4 and winds, and described anode pole piece 3 connects near the position of winding center positive pole ear 11, institute
State and on cathode pole piece 2, connect negative lug 5, described positive pole ear 11 and described negative lug 5 edge near the position of winding center
The width of described anode pole piece 3 and described cathode pole piece 2 is drawn, and described positive pole ear 11 and described negative lug 5
Lead direction contrary.
Further, described coiling body have be perpendicular to its winding axis and towards described positive electrode the first end face with
And second end face relative with described first end face, described positive pole ear 11 by described coiling body described first end face draw,
Described negative lug 5 is drawn by described second end face of described coiling body, and extends to described coiling body along described second end face
Perimembranous.
Described positive pole ear 11 have be connected with described anode pole piece 3 anode ear the first linkage section, along described first end
The anode ear extension extended towards the perimembranous of described coiling body and the anode ear second being used for connecting described positive electrode are even
The section of connecing；
Described negative lug 5 have be connected with described negative straps negative electrode lug the first linkage section, along described second end
The negative electrode lug extension extended towards the perimembranous of described coiling body and the negative electrode lug second being used for connecting described negative pole assembly are even
The section of connecing.
In the present embodiment, described anode pole piece 3 has positive pole film district and the positive pole being coated with positive electrode active materials
Blank spot welding zone, described positive pole blank spot welding zone is positioned at described anode pole piece 3 near the end at coiling body center, described positive pole pole
The sheet 3 remainder in addition to described positive pole blank spot welding zone is positive pole film district；
Described cathode pole piece 2 has negative pole film district and negative pole blank spot welding zone, the institute being coated with negative active core-shell material
Stating negative pole blank spot welding zone and be positioned at described cathode pole piece 2 near the end at coiling body center, described cathode pole piece 2 is except described negative pole
Remainder outside blank spot welding zone is negative pole film district.
In other embodiments, it is also possible to form the negative pole film district of one side film at the afterbody at cathode pole piece 2.
Described anode ear the first linkage section is welded to connect at described positive pole blank spot welding zone with described anode pole piece 3, described
Negative electrode lug the first linkage section is welded to connect at described negative pole blank spot welding zone with described cathode pole piece 2.Described positive pole blank spot welding
District is pasted with the first gummed paper, described anode ear the first linkage section be arranged at described positive pole blank spot welding zone and described first gummed paper it
Between；Described negative pole blank spot welding zone is pasted with the second gummed paper, and described negative electrode lug the first linkage section is arranged at described negative pole blank spot
Between welding zone and described second gummed paper.
Described negative electrode lug the second linkage section to described first end face direction bending, is made described anode ear by described second end face
Second linkage section is identical with described negative electrode lug the second linkage section bearing of trend.Described negative lug 5 is along the thickness of described coiling body
Development length on direction is more than the thickness of described coiling body.Described anode ear the second linkage section prolongs away from described anode ear
The one end of the section of stretching is provided with loop connecting portion.
Positive pole ear 11 is connected with Positive Poles 8 by loop connecting portion, it is possible to ensure the reliability connected, negative lug
More than 5 turnovers to the first end face, without being attached bottom box hat 1 during connecting negative lug 5 and negative pole assembly
Operation, can first be fit into coiling body in box hat 1, afterwards by negative electrode lug the second linkage section extended out with negative pole assembly even
Connect.
In the present embodiment, described positive pole ear 11 be aluminium pole ears, described negative lug 5 be nickel lug.
Coiling body structure described in the present embodiment, anode pole piece 3 and cathode pole piece 2 are except reserved corresponding lug blank spot
Outside welding zone, remaining is film district or the negative pole film district of the afterbody formation one side film at cathode pole piece 2, compared with traditional structure
Same volume and the pole piece of length, the structure film district of the present embodiment is bigger, and its corresponding capacity, energy density are higher.
Preferably, the chargeable lithium ion battery with hard shell described in the present embodiment, also include the institute being arranged on described coiling body
State the first end face and the insulation spacer 10 of described second end.
Described negative pole steel loop 6 is set in described Positive Poles 8, itself and described Positive Poles 8 and described positive pole steel loop 9
Between be provided with fluid sealant 12.Also be arranged with lug retainer ring in described Positive Poles 8, described positive pole ear 11 by described just
Lug retainer ring and described Positive Poles 8 extrude and realize and the electrical connection of described positive electrode.
As the preferred technical scheme of one, described Positive Poles 8 is provided with annular boss, described positive pole ear 11 with
Described negative pole steel loop 6 lays respectively at described annular boss both sides, and described positive pole steel loop 9 is arranged on described negative pole steel loop 6 away from institute
State the side of annular boss.
Positive pole steel loop described in the present embodiment 9 is rustless steel positive pole steel loop, and negative pole steel loop 6 is rustless steel positive pole steel loop, and
Negative pole steel loop 6 surface is coated with nickel dam.
The processing method that chargeable lithium ion battery with hard shell is described below, it is used for processing chargeable duricrust as above
Lithium ion battery, including providing coiling body, is arranged at the main body of described coiling body in the coiling body installing space on box hat 1,
Block 7 is used to fasten with described box hat 1 and seal after described coiling body installing space is carried out fluid injection.
Concrete, the processing method of the chargeable lithium ion battery with hard shell described in the present embodiment, as shown in Figure 4, specifically wrap
Include following steps:
Step S1, making coiling body, it is provided that anode pole piece 3 and cathode pole piece 2, at described anode pole piece 3 near winding
Positive pole ear 11 is drawn to first direction in the position at center, at described cathode pole piece 2 near the position of winding center to second party
To drawing negative lug 5, in the case of described anode pole piece 3 overlaps with described cathode pole piece 2, described first direction is with described
Second direction is contrary, and anode pole piece 3 and cathode pole piece 2 are wound as one, folds negative lug 5 afterwards and makes itself and described positive pole
Lug 11 bearing of trend is identical；
Reserve the positive pole blank spot welding zone of anode ear spot welding position at described anode pole piece 3 one end, remaining position coats
Positive electrode active materials forms positive pole film district, and the negative pole reserving negative electrode lug spot welding position at described cathode pole piece 2 one end is blank
Welding Area, remaining position coating negative active core-shell material forms negative pole film district；At described positive pole blank spot welding zone spot welding aluminium pole ears
As positive pole ear 11, at described negative pole blank spot welding zone spot welding nickel lug as negative lug 5, described aluminium pole ears and described nickel
Lug is towards on the contrary.
Preferably, in other embodiments, it is also possible to form the negative pole film of one side film at the afterbody at cathode pole piece 2
District.
After positive pole ear 11 and negative lug 5 spot welding complete, bear in the position of spot welding positive pole ear 11 and spot welding
Gummed paper is pasted in the position of pole lug 5.The detailed process of coiling body winding is: will be used for isolating described anode pole piece 3 and negative pole
The barrier film 4 of pole piece 2 is first wound, then is involved in barrier film 42 ends being welded with negative lug 5 of cathode pole piece, afterwards will just
Pole piece 3 ends being welded with positive pole ear 11 in pole are involved in barrier film 4, it is ensured that described positive pole ear 11 and described negative lug 5 side
Isolated by barrier film 4 with cathode pole piece 2 to contrary and anode pole piece 3, anode pole piece 3, barrier film 4 and cathode pole piece 2 phase are intervolved
Around, obtain the coiling body that positive pole ear 11 is contrary with negative lug 5 lead direction.
Carry out turning down for the first time along the radial direction of coiling body by negative lug 5 so that it is extend to the perimembranous of coiling body, and in week
Position, portion carries out second time to it and turns down so that it is bearing of trend is identical with described positive pole ear 11.
Step S2, making block 7, be assembled into formation block 7 by Positive Poles 8, positive pole steel loop 9, negative pole steel loop 6；
Concrete, make block 7 and include: provide the aluminum Positive Poles 8 with annular boss, in described annular projection
Side the most sheathed negative pole steel loop 6 and positive pole steel loop 9, at described negative pole steel loop 6 and described Positive Poles 8 and positive pole steel loop
9 positions contacted arrange fluid sealant 12, carry out riveting molding afterwards.
Step S3, coiling body assemble with block 7, are carried out with block 7 away from one end of coiling body by positive pole ear 11
Electrical connection；
Coiling body and block 7 carry out assembling particularly as follows: positive pole ear 11 is placed in annular boss away from described negative pole steel loop 6
Side, and be pressed together on described annular boss by lug retainer ring, described lug retainer ring and the riveting of described Positive Poles 8
Connect.
Step S4, coiling body are installed, and are arranged on by coiling body in box hat 1, and described block 7 does not fastens with described box hat 1；
The semi-finished product completing coiling body installation are carried out high-temperature baking by step S41, baking；
Step S5, fluid injection, the gap between described block 7 and described box hat 1 is in described coiling body installing space
Fill electrolyte；
Fluid injection carries out gland after completing, and described block 7 is carried out pressing, by described in bonding processes with described box hat 1
It is outside that negative lug 5 end extends to described box hat 1 so that in seal process, described negative lug 5 and described box hat 1 and
Described block 7 is melted to be integrated.
Step S6, sealing, described block 7 is sealed after completing by fluid injection with described box hat 1.Described in the present embodiment
It is sealed into laser welded seal, also there is before described laser welded seal step gland, after described laser welded seal
Include that step is aging the most successively, chemical conversion, partial volume and inspection, thus obtain finished battery.
It is to be noted that the chargeable lithium ion battery with hard shell described in the present embodiment is preferred for minicell field, but
Being that its application is not limited to minicell, the battery of any this structure of employing belongs to the protection domain of the application.
In description herein, it is to be understood that term " first ", " second " are only used for being distinguish between on describing,
Not there is particular meaning.
It is to be understood that, above-mentioned detailed description of the invention is only presently preferred embodiments of the present invention and institute's application technology is former
Reason, in technical scope disclosed in this invention, change that any those familiar with the art is readily apparent that or
Replace, all should contain within the scope of the present invention.
Claims (10)
1. a coiling body, it is characterised in that include anode pole piece and cathode pole piece, described anode pole piece and described negative pole pole
Sheet is separated by barrier film and winds, and described anode pole piece connects near the position of winding center positive pole ear, described negative pole pole
Connect negative lug near the position of winding center on sheet, described positive pole ear and described negative lug along described anode pole piece with
And the width of described cathode pole piece draws, and described positive pole ear is contrary with the lead direction of described negative lug.
Coiling body the most according to claim 1, it is characterised in that described coiling body has and is perpendicular to the of its winding axis
End face and second end face relative with described first end face, described positive pole ear is by described first end face of described coiling body
Drawing, described negative lug is drawn by described second end face of described coiling body, and extends to described volume along described second end face
Perimembranous around body.
Coiling body the most according to claim 2, it is characterised in that described positive pole ear has and is connected with described anode pole piece
Anode ear the first linkage section, along perimembranous from described first end face to described coiling body extend anode ear extension, Yi Jiyong
In anode ear the second linkage section connecting described positive electrode；
Described negative lug have be connected with described negative straps negative electrode lug the first linkage section, along described second end face to institute
State the negative electrode lug extension of the perimembranous extension of coiling body and for connecting negative electrode lug second linkage section of described negative pole assembly.
Coiling body the most according to claim 3, it is characterised in that described anode pole piece has and is coated with positive electrode active materials
Positive pole film district and positive pole blank spot welding zone, described positive pole blank spot welding zone is positioned at described anode pole piece in coiling body
The end of the heart, described anode pole piece remainder in addition to described positive pole blank spot welding zone is positive pole film district；
Described cathode pole piece has negative pole film district and negative pole blank spot welding zone, the described negative pole being coated with negative active core-shell material
Blank spot welding zone is positioned at the described cathode pole piece end near coiling body center, and described cathode pole piece removes described negative pole blank spot welding
Remainder outside district is negative pole film district.
Coiling body the most according to claim 4, it is characterised in that described anode ear the first linkage section and described anode pole piece
Being welded to connect at described positive pole blank spot welding zone, described negative electrode lug the first linkage section and described cathode pole piece are blank at described negative pole
Welding Area is welded to connect.
Coiling body the most according to claim 5, it is characterised in that described negative electrode lug the second linkage section is by described second end face
To described first end face direction bending, make described anode ear the second linkage section and described negative electrode lug the second linkage section bearing of trend phase
With.
Coiling body the most according to claim 5, it is characterised in that described positive pole blank spot welding zone is pasted with the first gummed paper,
Described anode ear the first linkage section is arranged between described positive pole blank spot welding zone and described first gummed paper；
Described negative pole blank spot welding zone is pasted with the second gummed paper, and described negative electrode lug the first linkage section is arranged at described negative pole blank spot
Between welding zone and described second gummed paper.
Coiling body the most according to any one of claim 1 to 7, it is characterised in that described positive pole ear is aluminium pole ears, institute
Stating negative lug is nickel lug.
Coiling body the most according to any one of claim 1 to 7, it is characterised in that described negative lug is along described winding
Development length on the thickness direction of body is more than the thickness of described coiling body.
10. according to the coiling body according to any one of claim 3 to 7, it is characterised in that described anode ear the second linkage section is remote
One end of described anode ear extension is provided with loop connecting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620553789.8U CN205846146U (en) | 2016-06-08 | 2016-06-08 | A kind of coiling body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620553789.8U CN205846146U (en) | 2016-06-08 | 2016-06-08 | A kind of coiling body |
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| Publication Number | Publication Date |
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| CN205846146U true CN205846146U (en) | 2016-12-28 |
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| CN201620553789.8U Active CN205846146U (en) | 2016-06-08 | 2016-06-08 | A kind of coiling body |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834558A (en) * | 2020-08-10 | 2020-10-27 | 惠州亿纬锂能股份有限公司 | Electronic device and manufacturing method thereof |
| WO2022247687A1 (en) * | 2021-05-27 | 2022-12-01 | 珠海冠宇电池股份有限公司 | Cell and battery |
-
2016
- 2016-06-08 CN CN201620553789.8U patent/CN205846146U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834558A (en) * | 2020-08-10 | 2020-10-27 | 惠州亿纬锂能股份有限公司 | Electronic device and manufacturing method thereof |
| CN111834558B (en) * | 2020-08-10 | 2024-05-07 | 惠州亿纬锂能股份有限公司 | Electronic device and manufacturing method thereof |
| WO2022247687A1 (en) * | 2021-05-27 | 2022-12-01 | 珠海冠宇电池股份有限公司 | Cell and battery |
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