CN209282293U - Winding type battery - Google Patents
Winding type battery Download PDFInfo
- Publication number
- CN209282293U CN209282293U CN201821796933.6U CN201821796933U CN209282293U CN 209282293 U CN209282293 U CN 209282293U CN 201821796933 U CN201821796933 U CN 201821796933U CN 209282293 U CN209282293 U CN 209282293U
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- Prior art keywords
- conductive connecting
- connecting piece
- negative electrode
- winding type
- face
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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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a kind of winding type batteries, including core, battery cover board, the first conductive connecting piece, and second conductive connecting piece, core includes being coated with the dressing portion of electrode active material, and it is respectively arranged on the anode ear and negative electrode lug of dressing portion opposite end, battery cover board is electrically connected with the first conductive connecting piece and the second conductive connecting piece respectively, the second end face of the first end face and negative electrode lug that fit in anode ear is respectively welded in first conductive connecting piece and the second conductive connecting piece, to be electrically connected respectively with anode ear and negative electrode lug.So, so that the space for being electrically connected the lateral circle surface without occupying core of battery cover board and core, to in the case where core size is certain, positive plate and negative electrode tab can spare more spaces as the region of electrode active material is coated with, and then it is improved the energy density of winding type battery, optimize battery performance.
Description
Technical field
The utility model relates to cell manufacturing techniques field more particularly to a kind of winding type batteries.
Background technique
The core of winding type battery is formed by positive plate, negative electrode tab and membrane winding, wherein positive plate, negative electrode tab
It include the region for electrode coated active material, referred to herein as dressing area, the size in the dressing area determine that core can
The number for the electrode active material for including, further affects the height of battery energy density.However, current winding type battery
Higher energy density mostly can not be obtained because the dressing area area of positive and negative plate is smaller, keeps battery performance further
Optimization.
Utility model content
The purpose of this utility model is to provide a kind of winding type batteries, to solve the energy density of traditional winding type battery
Low technical problem.
In order to achieve the above purposes, the technical solution adopted by the utility model is: provides a kind of winding type battery, including volume
Core, battery cover board, the first conductive connecting piece and the second conductive connecting piece, the core include being coated with electrode active material
Dressing portion, and be respectively arranged on the anode ear and negative electrode lug of dressing portion opposite end, the battery cover board respectively with institute
It states the first conductive connecting piece and second conductive connecting piece is electrically connected, first conductive connecting piece and second conduction
The first end face for fitting in the separate negative electrode lug of the anode ear and the negative electrode lug is respectively welded far from described in connection sheet
The second end face of anode ear, and be electrically connected respectively with the anode ear and the negative electrode lug.
Further, the core includes positive plate, diaphragm and negative electrode tab, and the positive plate includes first area and is located at
The first area side and be coated with electrode active material second area, the negative electrode tab include third region and be located at institute
It states third region side and is coated with the fourth region of electrode active material, the positive plate, the diaphragm and the negative electrode tab
Winding forms the core, forms the dressing portion, the first area after the second area and the fourth region winding
Winding forms the anode ear, and the third section roll forms the negative electrode lug.
Further, the first end face and the second end face are plane, and the first end face and described second
End face is parallel to each other.
Further, the positive plate further includes the 5th area between the first area and the second area
Domain is coated with insulating materials on the 5th region.
Further, the winding type battery includes at least two core parallel with one another.
Further, the battery cover board includes lid main body, and positive terminal and cathode in the lid main body
Terminal, the positive terminal and the negative terminal electrically connect with first conductive connecting piece and the second conductive connecting piece respectively
It connects.
Further, first conductive connecting piece includes the first connecting portion and second connecting portion being electrically connected with each other,
The second connecting portion bending is connected to one end of the first connecting portion, and the first connecting portion is electrically connected at the anode
Terminal, the second connecting portion is bonded with first end face welding, to be electrically connected with the anode ear.
Further, fuse part is provided in the first connecting portion, the fuse part is conductive for disconnecting described first
Connection sheet is electrically connected with the anode ear.
Further, it is opened up in the first connecting portion jagged.
Further, second conductive connecting piece includes the third interconnecting piece and the 4th interconnecting piece being electrically connected with each other,
The 4th interconnecting piece bending is connected to one end of the third interconnecting piece, and the third interconnecting piece is electrically connected at the cathode
Terminal, the 4th interconnecting piece is bonded with second end face welding, to be electrically connected with the negative electrode lug.
Implement the utility model embodiment, will have the following beneficial effects:
After above-mentioned winding type battery, by the first conductive connecting piece and the second conductive connecting piece respectively with battery
Cover board is electrically connected, and fitted in respectively by first conductive connecting piece and the second conductive connecting piece core anode ear first
The second end face of end face and negative electrode lug, and be electrically connected respectively with anode ear and negative electrode lug, and make battery cover board and volume
The space of lateral circle surface of the electrical connection of core without occupying core, thus in the case where core size is certain, positive plate and cathode
Piece can spare more spaces as the region of electrode active material is coated with, and then make the energy density of winding type battery
It is improved, optimizes battery performance.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Wherein:
Fig. 1 is the perspective view of the explosion of winding type battery in one embodiment；
Fig. 2 is the structural schematic diagram of the positive plate used in one embodiment；
Fig. 3 is the structural schematic diagram of the negative electrode tab used in one embodiment；
Fig. 4 is the structural schematic diagram of the first conductive connecting piece used in one embodiment；
Fig. 5 is the structural schematic diagram of the second conductive connecting piece used in one embodiment；
Description of symbols:
10, battery cover board；20, core packet；21, core；211, positive plate；212, negative electrode tab；21a, anode ear；21b, cathode
Ear；21c, dressing portion；2111, second area；2112, first area；2113, the 5th region；2121, the fourth region；2122,
Three regions；11, lid main body；30, the first conductive connecting piece；40, the second conductive connecting piece；12, positive terminal；13, negative terminal；
31, first connecting portion；32, second connecting portion；311, fuse part；41, third interconnecting piece；42, the 4th interconnecting piece；S, notch；W,
Lateral circle surface；Q1, first end face；Q2, second end face.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is that orientation based on the figure or position are closed
System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
Also referring to Fig. 1 to Fig. 3, now winding type battery provided by the utility model is illustrated.The winding type
Battery, including battery cover board 10, core packet 20 and the first conductive connecting piece 30 and the second conductive connecting piece 40, in the present embodiment,
Core packet 20 includes two core 21 parallel with one another, and each core 21 includes that (figure is not for positive plate 211, negative electrode tab 212 and diaphragm
Show), also, above-mentioned core 21 is formed through winding after successively stacking with the sequence of diaphragm, positive plate 211, diaphragm, negative electrode tab 212,
Diaphragm is for preventing positive plate 211 and 212 contact short circuit of negative electrode tab.
Specifically, positive plate 211 includes second area 2111 and first area 2112, and negative electrode tab 212 includes the fourth region
2121 and third region 2122, wherein electrode active material, and second are coated on second area 2111 and the fourth region 2121
Region 2111 and the fourth region 2121 are mutually overlapping, and first area 2112 and third region 2122 stretch out in positive plate respectively
211 with the opposite sides of the overlapping part of negative electrode tab 212, positive plate 211 and the overlapping part of negative electrode tab 212 are as rolling up after winding
The dressing portion 21c of core 21 stretches out anode ear 21a of the first area 2112 of the dressing portion side 21c as core 21, and stretch out
The edge of first area 2112 forms the first end face Q1 of anode ear 21a by rubbing flat processing after coiling, correspondingly, stretches out
The dressing portion other side 21c negative electrode lug 21b of the third region 2122 as core 21, and the side in the third region 2122 stretched out
Edge forms the second end face Q2 of negative electrode lug 21b by rubbing flat processing after coiling；The first end face Q1 of anode ear 21a and first
The welding of conductive connecting piece 30 fits together, to be electrically connected with first conductive connecting piece 30, the of negative electrode lug 21b
Biend Q2 fits together with the welding of the second conductive connecting piece 40, electrically connects to be formed with second conductive connecting piece 40
It connects；First conductive connecting piece 30 and the second conductive connecting piece 40 are electrically connected with battery cover board 10 respectively, thus, core 21
Anode ear 21a and negative electrode lug 21b and 20 electrical communication of battery cover board.
In this way, winding type battery provided by the utility model, passes through the first conductive connecting piece 30 and the second conductive connecting piece
40 are electrically connected with battery cover board 10 respectively, and are fitted in respectively by first conductive connecting piece 30 and the second conductive connecting piece 40
The second end face Q2 of the first end face Q1 and negative electrode lug 21b of the anode ear 21a of core 21, and respectively with anode ear 21a and cathode
Ear 21b is electrically connected, and makes the sky that is electrically connected lateral circle surface W without occupy core 21 of the battery cover board 10 with core 21
Between, so that positive plate 211 and negative electrode tab 212 can spare more spaces to make in the case where 21 size of core is certain
To be coated with the region of electrode active material, and then it is improved the energy density of winding type battery, optimizes battery performance.
In one embodiment, the first conductive connecting piece 30 is bonded by way of laser welding with first end face Q1, thus with
Anode ear 21a is electrically connected；Second conductive connecting piece 40 is bonded by way of laser welding with second end face Q2, thus
It is electrically connected with negative electrode lug 21b.
Also, through rubbing flat machining and shaping at first end face Q1 and second end face Q2, facilitate in welding processing process
The welding flatness of subsequent welding sequence is improved, the excessive bring impedance variations of welding deformation amount are reduced.
In one embodiment, first end face Q1 and second end face Q2 are parallel to each other.
Certainly, in the other embodiments of the utility model, core packet 20 can also be formed by an independent core 21, or
It is made of three or three or more 21 parallel connections of core, does not do unique restriction herein.
In one embodiment, positive plate 211, negative electrode tab 212 and membrane winding form the core 21 of elliptic cylindrical shape, each ellipse
Columnar core 21 is set side by side, and the lateral circle surface W of each core 21 mutually reclines, and the first end of the anode ear 21a of each core 21
Face Q1 is in the same plane, and the second end face Q2 of the negative electrode lug 21b of each core 21 is in the same plane.In this way, not only square
Just it is fitted closely with the first conductive connecting piece 30 and the second conductive connecting piece 40, additionally it is possible to battery cover board 10 and battery case (figure
Do not show) it is fabricated to rectangular cell jointly.
It is understood that in other embodiments, winding type battery can also be cylindrical battery, do not make herein unique
It limits.
Further, Fig. 1 to Fig. 2 is please referred to, a kind of specific implementation as winding type battery provided by the utility model
Mode, positive plate 211 further include the 5th region 2113, the 5th region 2113 be located at second area 2111 and first area 2112 it
Between, insulating materials is coated on the 5th region 2113, for avoiding positive plate 211 and negative electrode tab during rubbing smooth shape
212 are in contact short circuit, to play the role of safe insulation, further increase the security performance of winding type battery, reduce report
Useless rate.
Further, referring to Fig. 1, a kind of specific embodiment as winding type battery provided by the utility model,
Battery cover board 10 includes lid main body 11, and positive terminal 12 and negative terminal 13 in lid main body 11, positive terminal 12
The opposite end of lid main body 11 is located at negative terminal 13, here, lid main body 11 is set to the side of core 21, and and core
21 lateral circle surface W mutually reclines, it is possible to understand that ground, positive terminal 12 and negative terminal 13 are conduct piece, and first is conductively connected
Piece 30 and the second conductive connecting piece 40 are electrically connected with positive terminal 12 and negative terminal 13 respectively, certainly, 12 He of positive terminal
Setting position of the negative terminal 13 in lid main body 11 can also carry out appropriate adjustment according to demand, not limit uniquely herein.
In one embodiment, the generally rectangular shaped plate of lid main body 11, preferably metalwork, the lid main body 11 and battery case swash
Photocoagulation is connected, and insulate and connect at least one of positive terminal 12 and negative terminal 13.Specifically, in the present embodiment
In, which is directly connected to positive terminal 12, is connect by insulating part (not shown) with negative terminal 13, namely covering
It is provided with insulating part between main body 11 and negative terminal 13, in addition, battery case has a chamber that can accommodate core packet 20, core packet
20 are set in the chamber, and the outside of core packet 20 is wrapped up in insulating film, to prevent core packet 20 and battery case in electrical contact, is played
The effect of safe insulation.Certainly in the other embodiments of the utility model, the lid main body 11 and battery case may be non-gold
Belong to part, does not limit uniquely herein.
Further, also referring to Fig. 1 and Fig. 4, one kind as winding type battery provided by the utility model is specific
Embodiment, the first conductive connecting piece 30 include first connecting portion 31, second connecting portion 32, and the bending of second connecting portion 32 is connected to
One end of first connecting portion 31, fuse part 311 are arranged in first connecting portion 31；First connecting portion 31 is used for and positive terminal 12
It being electrically connected, second connecting portion 32 is used to be bonded with the first end face Q1 of anode ear 21a welding, to be electrically connected, thus
Positive terminal 12 is connected with 21 circuit of core, when fuse part 311 is used for the electric current overrate in turning circuit, disconnects
Electric pathway between positive terminal 12 and anode ear 21a, in the present embodiment, fuse part 311 are acted through in the first connection
Notch S is opened up in portion 31 to realize, specifically, in the present embodiment, the generally rectangular shaped plate of first connecting portion 31, at its edge
Place offers two notch S, naturally it is also possible to omit a wherein notch S so that closed in first connecting portion 31 part of notch S at
The part i.e. fusing in advance of notch S is closed in the first connecting portion 31 in electric current overrate for weak area, thus and
When disconnect being electrically connected for anode ear 21a and positive terminal 12, formation open circuit protection avoids further loss.
In the other embodiments of the utility model, which can also be set in second connecting portion 32, or be connected to
Between first connecting portion 31 and second connecting portion 32, do not limit uniquely herein.
In the other embodiments of the utility model, which also be can be omitted, or be realized by other means
The function of fuse part 311 is stated, for example, first connecting portion 31 and second connecting portion 32 are made by other energization materials, and
And the energization material fuses automatically when the electric current passed through is more than certain value, does not limit uniquely herein.
In one embodiment, first connecting portion 31, second connecting portion 32 and fuse part 311 are integrally formed, and are worth mentioning
, winding type battery provided by the utility model uses the structure of the first conductive connecting piece 30 simply easy to manufacture, to save
Cost is saved.
In one embodiment, first connecting portion 31 and second connecting portion 32 are in 85 ° to 95 ° angles, and further preferably 90 °
The size of angle, the angle is formed by angle depending on the lateral circle surface W of the first end face Q1 and dressing portion 21c of anode ear 21a,
It can be posted by the first end face Q1's and dressing portion 21c of anode ear 21a respectively with second connecting portion 32 and first connecting portion 31
Subject to lateral circle surface W, do not limit uniquely herein.
In one embodiment, second connecting portion 32 is in tabular, and extending direction prolongs with the first end face Q1's of anode ear 21a
It stretches that direction is parallel, in this way, the end face of anode ear 21a can be posted by, and closely welds together with it.
Further, also referring to Fig. 1 and Fig. 5, one kind as winding type battery provided by the utility model is specific
Embodiment, the second conductive connecting piece 40 include third interconnecting piece 41 and the 4th interconnecting piece 42, the bending connection of the 4th interconnecting piece 42
In one end of third interconnecting piece 41, third interconnecting piece 41 be used for negative terminal 13 be electrically connected, the 4th interconnecting piece 42 be used for
The second end face Q2 of negative electrode lug 21b is welded to be electrically connected, so that negative terminal 13 be made to be connected with 21 circuit of core.
In one embodiment, third interconnecting piece 41, the 4th interconnecting piece 42 are integrally formed, it is worth mentioning at this point that, this is practical new
The winding type battery that type provides uses the structure of the second conductive connecting piece 40 simply easy to manufacture, to save cost.
In one embodiment, third interconnecting piece 41 and the 4th interconnecting piece 42 are in 85 ° to 95 ° angles, and further preferably 90 °
The size of angle, the angle is formed by angle depending on the lateral circle surface W of the second end face Q2 and dressing portion 21c of negative electrode lug 21b,
It can be posted by the second end face Q2's and dressing portion 21c of negative electrode lug 21b respectively with the 4th interconnecting piece 42 and third interconnecting piece 41
Subject to lateral circle surface W, do not limit uniquely herein.
In one embodiment, the 4th interconnecting piece 42 is in tabular, and extending direction prolongs with the second end face Q2's of negative electrode lug 21b
It stretches that direction is parallel, in this way, the end face of negative electrode lug 21b can be posted by, and closely welds together with it.
In one embodiment, fuse part can also be set on the second conductive connecting piece 40, for disconnecting the second conductive connecting piece
Being electrically connected between 40 and negative electrode lug 21b plays the role of current fusing protection.
Above disclosures are merely preferred embodiments of the utility model, the utility model cannot be limited with this certainly
Interest field, therefore equivalent variations made according to the claim of the utility model still fall within the scope of the utility model.
Claims (10)
1. winding type battery, it is characterised in that: be conductively connected including core, battery cover board, the first conductive connecting piece and second
Piece, the core include being coated with the dressing portion of electrode active material, and be respectively arranged on dressing portion opposite end just
Tab and negative electrode lug, the battery cover board electrically connect with first conductive connecting piece and second conductive connecting piece respectively
It connects, first conductive connecting piece and second conductive connecting piece are respectively welded and fit in bearing far from described for the anode ear
The second end face far from the anode ear of the first end face of tab and the negative electrode lug, with respectively with the anode ear and described
Negative electrode lug is electrically connected.
2. winding type battery as described in claim 1, it is characterised in that: the core includes positive plate, diaphragm and negative electrode tab, institute
State positive plate include first area and positioned at the first area side and be coated with electrode active material second area, it is described
Negative electrode tab include third region and positioned at third region side and be coated with electrode active material the fourth region, it is described just
Pole piece, the diaphragm and the negative electrode tab wind to form the core, shape after the second area and the fourth region winding
At the dressing portion, the first area winds to form the anode ear, and the third section roll forms the negative electrode lug.
3. winding type battery as claimed in claim 2, it is characterised in that: the positive plate further include be located at the first area and
The 5th region between the second area is coated with insulating materials on the 5th region.
4. winding type battery as described in claim 1, it is characterised in that: the first end face and the second end face are flat
Face, and the first end face is parallel to each other with the second end face.
5. winding type battery as described in claim 1, it is characterised in that: the winding type battery includes parallel with one another at least two
The core.
6. the winding type battery as described in any one of claim 1 to 5, it is characterised in that: the battery cover board includes lid main body, with
And positive terminal and negative terminal in the lid main body, the positive terminal and the negative terminal are respectively with described
One conductive connecting piece and the second conductive connecting piece are electrically connected.
7. winding type battery as claimed in claim 6, it is characterised in that: first conductive connecting piece includes being electrically connected with each other
First connecting portion and second connecting portion, second connecting portion bending is connected to one end of the first connecting portion, described the
One interconnecting piece is electrically connected at the positive terminal, and the second connecting portion is bonded with first end face welding, with it is described
Anode ear is electrically connected.
8. winding type battery as claimed in claim 7, it is characterised in that: fuse part is provided in the first connecting portion, it is described
Fuse part is used to disconnect being electrically connected for first conductive connecting piece and the anode ear.
9. winding type battery as claimed in claim 7, it is characterised in that: opened up in the first connecting portion jagged.
10. winding type battery as claimed in claim 7, it is characterised in that: second conductive connecting piece includes mutually electrically connecting
The third interconnecting piece and the 4th interconnecting piece connect, the 4th interconnecting piece bending is connected to one end of the third interconnecting piece, described
Third interconnecting piece is electrically connected at the negative terminal, and the 4th interconnecting piece is bonded with second end face welding, with institute
Negative electrode lug is stated to be electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821796933.6U CN209282293U (en) | 2018-11-01 | 2018-11-01 | Winding type battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821796933.6U CN209282293U (en) | 2018-11-01 | 2018-11-01 | Winding type battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209282293U true CN209282293U (en) | 2019-08-20 |
Family
ID=67600027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821796933.6U Active CN209282293U (en) | 2018-11-01 | 2018-11-01 | Winding type battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209282293U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023138416A1 (en) * | 2022-01-21 | 2023-07-27 | 宁德时代新能源科技股份有限公司 | Battery cell and manufacturing method therefor, battery, and power consuming device |
-
2018
- 2018-11-01 CN CN201821796933.6U patent/CN209282293U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023138416A1 (en) * | 2022-01-21 | 2023-07-27 | 宁德时代新能源科技股份有限公司 | Battery cell and manufacturing method therefor, battery, and power consuming device |
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Effective date of registration: 20220214 Address after: 2201, building 1, COFCO Chuangxin R & D center, 69 Xingdong community, Xin'an street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Chuangpus (Shenzhen) New Energy Technology Co.,Ltd. Address before: 1-3 / F, building F2, No. 1001, Zhongshan Park Road, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN NEW HENGYE BATTERY TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |