CN206388763U - A kind of laminated type safeguard structure and battery modules - Google Patents
A kind of laminated type safeguard structure and battery modules Download PDFInfo
- Publication number
- CN206388763U CN206388763U CN201720090274.3U CN201720090274U CN206388763U CN 206388763 U CN206388763 U CN 206388763U CN 201720090274 U CN201720090274 U CN 201720090274U CN 206388763 U CN206388763 U CN 206388763U
- Authority
- CN
- China
- Prior art keywords
- collector plate
- insulating barrier
- laminated type
- battery core
- safeguard structure
- 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.)
- Active
Links
Classifications
-
- 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
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides a kind of laminated type safeguard structure and battery modules, and the laminated type safeguard structure includes battery core clamping plate and lamination collector plate, and battery modules include multiple battery cores.Wherein, the one side of battery core clamping plate sets fluted, multiple first through hole passed through for battery core are provided with groove, lamination collector plate offers the second through hole matched with first through hole, lamination collector plate includes the first insulating barrier, the second insulating barrier and collector plate, and the first insulating barrier and the second insulating barrier are respectively arranged at the two sides of the collector plate.Lamination collector plate is nested in the groove, and the second insulating barrier fits in the bottom land of groove.Caused second short circuit phenomenon during the quick-fried spray of battery core that the utility model can be prevented effectively from battery modules, improves the security that battery is used, and simple in construction.
Description
Technical field
The utility model is related to cell art, in particular to a kind of laminated type safeguard structure and battery modules.
Background technology
At present, existing battery modules are mainly fixed multiple battery cores by end plate, and weld collector plate in end plate both sides
And lug.Study and find through inventor, the end plate set in existing battery modules, although with good insulating properties, but
It can rapidly soften under high-temperature condition, deform, in addition carbonization, such as after short-circuit quick-fried spray occurs for single battery core, the temperature around the battery core
More than 600 DEG C, or even up to 1000 DEG C are sharply risen to, the high temperature copper scale that battery core sprays can snap into collector plate and failure electricity
On core, make whole string external short-circuit of battery (second short circuit), easily trigger a large amount of battery core collective electric discharges in periphery, temperature is drastically raised,
Cause battery modules on fire or even explode.
Utility model content
In view of this, the utility model provides a kind of laminated type safeguard structure and battery modules, through the stack layer afflux
The ingehious design of plate, can effectively prevent the second short circuit failure of battery modules, significantly reduce battery modules it is on fire, blast
Risk, it is and simple in construction.
To achieve the above object, the utility model provides following technical scheme:
A kind of laminated type safeguard structure, applied to battery modules, the laminated type safeguard structure includes battery core clamping plate and folded
Layer collector plate, the battery modules include multiple battery cores;
The one side of the battery core clamping plate sets fluted, is provided with and multiple leads to for battery core is passed through first on the groove
Hole, the lamination collector plate offers the second through hole matched with the first through hole, and the lamination collector plate includes first
Insulating barrier, the second insulating barrier and collector plate, first insulating barrier and second insulating barrier are respectively arranged at the collector plate
Two sides;
The lamination collector plate is nested in the groove, and second insulating barrier fits in the bottom land of the groove,
Caused second short circuit phenomenon when the lamination collector plate can effectively prevent the quick-fried spray of the battery core in the battery modules.
In the selection of the utility model preferred embodiment, the above-mentioned through hole on first insulating barrier is provided with convex
Edge.
In the selection of the utility model preferred embodiment, the first insulating barrier described above and second insulating barrier and institute
The one side for stating collector plate contact is respectively arranged with glue-line, and the glue-line is used for first insulating barrier and second insulating barrier
It is fixed on the two sides of the collector plate.
In the selection of the utility model preferred embodiment, collector plate described above is conductive collector plate.
In the selection of the utility model preferred embodiment, collector plate described above is aluminium sheet.
In the selection of the utility model preferred embodiment, the first insulating barrier described above and second insulating barrier are cloud
Mother layer.
In the selection of the utility model preferred embodiment, first through hole described above and second through hole are circular hole.
In the selection of the utility model preferred embodiment, the first insulating barrier described above, the second insulating barrier and collector plate
Shape size it is identical.
In the selection of the utility model preferred embodiment, one side of first insulating barrier away from the collector plate described above
It is coplanar that reeded one side is opened up with the battery core clamping plate.
The utility model preferred embodiment also provides a kind of battery modules, the battery modules include battery core, the first lug,
Second lug and two laminated type safeguard structures described above;
Two laminated type safeguard structures are respectively arranged at the two ends of the battery core, and the positive pole of the battery core passes through first
Lug is connected with the collector plate in the laminated type safeguard structure of the battery core positive terminal, and the negative pole of the battery core passes through
Second lug is connected with the collector plate in the laminated type safeguard structure of the battery core negative pole end.
Compared with prior art, the utility model gives a kind of laminated type safeguard structure and battery modules, wherein, pass through
The ingehious design of lamination collector plate, can effectively prevent that caused second short circuit shows during the quick-fried spray of the battery core in the battery modules
As.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Coordinate appended accompanying drawing, be described in detail below.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, it will use below required in embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
A kind of structural representation for laminated type safeguard structure that Fig. 1 provides for the utility model preferred embodiment.
A kind of explosive view for laminated type safeguard structure that Fig. 2 provides for the utility model preferred embodiment.
The explosive view for the lamination collector plate that Fig. 3 provides for the utility model preferred embodiment.
Fig. 4 is another structural representation of the first insulating barrier shown in Fig. 3.
A kind of structural representation for battery modules that Fig. 5 provides for the utility model preferred embodiment.
Icon:10- battery modules;100- laminated type safeguard structures;110- battery core clamping plates;112- grooves;114- first leads to
Hole;120- lamination collector plates;The through holes of 1202- second;The insulating barriers of 122- first;1222- flanges;124- collector plates;126- second
Insulating barrier;200- battery cores;300- lugs.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched
The embodiment stated is a part of embodiment of the present utility model, rather than whole embodiments.Generally retouched here in accompanying drawing
The component for the utility model embodiment stated and shown can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit requirement
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that:Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.Of the present utility model
In description, term " first, second, third, fourth etc. is only used for distinguishing description, and it is not intended that being or implying relatively heavy
The property wanted.
In description of the present utility model, unless otherwise clearly defined and limited, term " setting ", " connected ", " company
Connect " it should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or it is integrally connected;It can be machine
Tool is connected or electrically connected;Can be joined directly together, can also be indirectly connected to by intermediary, can be two members
Connection inside part.For the ordinary skill in the art, it can understand that above-mentioned term is new in this practicality with concrete condition
Concrete meaning in type.
As shown in figure 1, a kind of structural representation of the laminated type safeguard structure 100 provided for the utility model embodiment.
The laminated type safeguard structure 100 includes battery core clamping plate 110 and lamination collector plate 120.
Specifically, Fig. 2 is please referred to, the one side of the battery core clamping plate 110 is set on fluted 112, the groove 112
Multiple first through hole 114 are provided with, the lamination collector plate 120 is nested in the groove 112.Alternatively, the groove 112
Size, shape can according to practical application carry out flexible design.
Further, the lamination collector plate 120 offers the second through hole matched with the first through hole 114
1202.Second through hole 1202 runs through the lamination collector plate 120.Wherein, as shown in figure 3, the lamination collector plate 120 is wrapped
Include the first insulating barrier 122, the insulating barrier 126 of collector plate 124 and second, first insulating barrier 122 and second insulating barrier 126
It is respectively arranged at the two sides of the collector plate 124.Wherein, second insulating barrier 126 fits in the bottom land of the groove 112,
So that the lamination collector plate 120 can effectively prevent the battery modules 10 from occurring second short circuit phenomenon.
Wherein, one side of first insulating barrier 122 away from the collector plate 124 is offered with the battery core clamping plate 110
The one side of groove 112 is coplanar.In actual applications, the lamination collector plate 120 is located at the height in the groove 112 and is
It is no coplanar, flexible design can be carried out as the case may be.
Further, in the utility model embodiment, first insulating barrier 122 and second insulating barrier 126 have
There are good insulating properties, i.e., under the high temperature conditions, it is not easy to deform, soften, such as when local temperature rises rapidly
To more than 1000 degree, first insulating barrier 122 and second insulating barrier 126 can still keep stability.
Alternatively, because mica has very high insulation, heat-insulating property, chemical stability is good, with anti-strong acid, highly basic
And anti-pressure ability, therefore, in the utility model embodiment, first insulating barrier 122 and second insulating barrier 126 can be with
It is made of mica.Wherein, the mica is the general designation of Mica Group Minerals, is layer structure, monoclinic system, and stratiform cleavage is very
Completely, there is glassy lustre, thin slice is flexible, meanwhile, mica is the aluminosilicate of the metals such as potassium, aluminium, magnesium, iron, lithium.
Alternatively, first insulating barrier 122 and second insulating barrier 126 can be made up of identical insulating materials,
Also can be respectively that different insulating materials is made.
Further, as shown in figure 4, being provided with the first through hole 114 on first insulating barrier 122 convex
Edge 1222, the flange 1222 is used for circular hole thickness direction in collector plate 124 and provides insulating protection.Alternatively, the flange
1222, which may be, but not limited to, use impact style, forms.
Further, the collector plate 124 is generally prepared from as a kind of conducting medium using conductive material, at this
In utility model embodiment, the collector plate 124 is aluminium sheet.
Further, first insulating barrier 122 and second insulating barrier 126 contacted with the collector plate 124 one
Face is provided with glue-line, and the glue-line is used for first insulating barrier 122 and second insulating barrier 126 and the collector plate
124 are well fixed.
Alternatively, ensureing to enter first insulating barrier 122 and second insulating barrier 126 with the collector plate 124
On the premise of row is well fixed, it can also be realized using other modes.
Alternatively, the shape size phase of first insulating barrier 122, second insulating barrier 126 and the collector plate 124
Together, multiple first through hole 114 are provided with above three, and are corresponded.Wherein, it is described in the utility model embodiment
First insulating barrier 122 and second insulating barrier 126 are the high-temperature insulation thin slice of 0.2mm thickness.
Further, the first through hole 114 and the size of second through hole 1202, shape can be entered according to actual conditions
Row flexible design, in the utility model, the first through hole 114 and second through hole 1202 are circular hole.
Based on the description to above-mentioned laminated type safeguard structure 100, as shown in figure 5, the utility model embodiment gives
A kind of battery modules 10, the battery modules 10 include battery core 200, lug 300 and two above-mentioned laminated type safeguard structures
100。
Further, the battery core 200 refers to the single electrochemistry battery core containing positive and negative electrode, does not use directly typically.By
In the battery core 200 as the storage unit in rechargeable battery, therefore, the quality of the battery core 200 directly determines charging electricity
The quality in pond.In the case of one, 200 points of the battery core is aluminum hull battery core, soft pack cell (also known as " polymer battery core "), cylinder electricity
Three kinds of core.Usual battery of mobile phone use for aluminum hull battery core, using soft pack cell the digital product such as bluetooth more, notebook computer
Battery is combined using the connection in series-parallel of cylindrical electrical core.
It should be noted that the battery core 200 and the battery that is distinguished as of battery contain protection circuit and shell, can directly it make
With.Alternatively, in the utility model embodiment, the battery core 200 is that the parallel connection of multiple cylindrical electrical cores is constituted.
Further, the lug 300 includes the first lug and the second lug, and the positive pole of the battery core 200 passes through described
First lug is connected with the collector plate 124 in the laminated type safeguard structure 100 of the positive terminal of battery core 200, described
The negative pole of battery core 200 passes through the second lug and the collection in the laminated type safeguard structure 100 of the negative pole end of battery core 200
Stream plate 124 is connected.I.e. described first lug is used to the positive pole of the battery core 200 being connected with the collector plate 124, and described second
Lug is used to the negative pole of the battery core 200 being connected with the collector plate 124.
Alternatively, first lug and second lug can be individually fixed in the battery core by the way of welding
On 200 both positive and negative polarity and the collector plate 124.Generally, when being welded, different welderings can be selected according to actual conditions
Connect mode, such as electric resistance welding or Laser Welding.
Specifically, the electric resistance welding is by the resistance heat produced by weldment and its contact position, by weldment office using electric current
Portion is heated to plasticity or molten state, then in the welding method of pressure initiation welding point.The production efficiency is high, and welding becomes
Shape is small, and working condition is good, is not required to separately add welding material, easy to operate, but equipment complexity is high, and power consumption is big, and applicable connects
Capitiform formula is restricted with solderable thickness of workpiece.And Laser Welding energy density is high, heat is concentrated, and action time is very short, and laser can
It is bent or focused in any direction with speculum or deviation prism, light guide fiber guide to inaccessible portion can be used
Position;Laser can directly be welded to insulating materials.But the cost that welds of the laser is high, apply in general to arrangement it is very intensive and
The weldment of heat-sensitive material.
Further, referring to Fig. 5, in the utility model embodiment, the concrete structure of the battery modules 10
For:The positive and negative end of the battery core 200 is respectively arranged with the laminated type safeguard structure 100, the first through hole 114 and institute
The both positive and negative polarity that the second through hole 1202 is stated for the battery core 200 is passed through, and by the battery core in the axial direction of the battery core 200
200 fix.Wherein, the positive pole of the battery core 200 is by the way that in collector plate 124, negative pole passes through described described in the first tab welding
Second tab welding is in the collector plate 124.So as to by the ingehious design to the lamination collector plate 120 and utilization, i.e.,
Be during the use of the battery modules 10, in the case that quick-fried spray occurs for single battery core in the battery core 200, the list
The high temperature copper scale that individual battery core sprays will not also have with the collector plate 124 directly to be contacted, to cause the battery core 200 to be in open circuit
State, it is to avoid trigger the short circuit of battery core 200.In addition, first insulating barrier 122 in the lamination collector plate 120
It is made with the described second insulation of high temperature insulating material, the second short circuit of battery modules 10 is further avoided from root
And trigger the severe security incident such as on fire, blast.It should be understood that the laminated type safeguard structure 100 positioned at the two ends of battery core 200 is complete
It is exactly the same.
In summary, the utility model provides a kind of laminated type safeguard structure 100 and battery modules 10, wherein, pass through
To the ingehious design of the laminated type safeguard structure 100, battery modules 10 can be effectively prevented in use, may be due to list
The quick-fried spray of individual battery core 200 security incident such as cause battery modules 10 on fire, meanwhile, the laminated type safeguard structure 100 is designed simply,
Cost is low, suitable for scale of mass production.
Obviously, those skilled in the art should be understood that the function of above-mentioned the utility model embodiment can be with general
Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and constituted
Network on, alternatively, the existing program code or algorithm that they can be can perform with computing device be realized, it is thus possible to
It is stored in storage device by computing device to perform, or they is fabricated to each integrated circuit modules respectively,
Or be fabricated to single integrated circuit module to realize by the multiple modules or step in them.So, work(of the present utility model
It can realize that being not restricted to any specific hardware and software combines.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of laminated type safeguard structure, applied to battery modules, it is characterised in that the laminated type safeguard structure includes battery core
Clamping plate and lamination collector plate, the battery modules include multiple battery cores;
The one side of the battery core clamping plate sets fluted, and multiple first through hole passed through for battery core are provided with the groove,
The lamination collector plate offers the second through hole matched with the first through hole, and the lamination collector plate includes the first insulation
Layer, the second insulating barrier and collector plate, first insulating barrier and second insulating barrier are respectively arranged at the two of the collector plate
Face;
The lamination collector plate is nested in the groove, and second insulating barrier fits in the bottom land of the groove, described
Caused second short circuit phenomenon when lamination collector plate can effectively prevent the quick-fried spray of the battery core in the battery modules.
2. laminated type safeguard structure according to claim 1, it is characterised in that the through hole on first insulating barrier
It is provided with flange.
3. laminated type safeguard structure according to claim 1, it is characterised in that first insulating barrier and described second exhausted
Edge layer and the one side that the collector plate is contacted are respectively arranged with glue-line, and the glue-line is used for first insulating barrier and described the
Two insulating barriers are fixed on the two sides of the collector plate.
4. laminated type safeguard structure according to claim 1, it is characterised in that the collector plate is conductive collector plate.
5. laminated type safeguard structure according to claim 1, it is characterised in that the collector plate is aluminium sheet.
6. laminated type safeguard structure according to claim 1, it is characterised in that first insulating barrier and described second exhausted
Edge layer is mica layer.
7. laminated type safeguard structure according to claim 1, it is characterised in that the first through hole and second through hole
For circular hole.
8. laminated type safeguard structure according to claim 1, it is characterised in that first insulating barrier, the second insulating barrier
It is identical with the shape size of collector plate.
9. laminated type safeguard structure according to claim 1, it is characterised in that first insulating barrier is away from the afflux
Plate it is coplanar when opening up reeded with the battery core clamping plate.
10. a kind of battery modules, it is characterised in that the battery modules are including on battery core, the first lug, the second lug and two
State laminated type safeguard structure any one of claim 1-9;
Two laminated type safeguard structures are respectively arranged at the two ends of the battery core, and the positive pole of the battery core passes through the first lug
It is connected with the collector plate in the laminated type safeguard structure of the battery core positive terminal, the negative pole of the battery core passes through second
Lug is connected with the collector plate in the laminated type safeguard structure of the battery core negative pole end.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720090274.3U CN206388763U (en) | 2017-01-23 | 2017-01-23 | A kind of laminated type safeguard structure and battery modules |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720090274.3U CN206388763U (en) | 2017-01-23 | 2017-01-23 | A kind of laminated type safeguard structure and battery modules |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206388763U true CN206388763U (en) | 2017-08-08 |
Family
ID=59494769
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720090274.3U Active CN206388763U (en) | 2017-01-23 | 2017-01-23 | A kind of laminated type safeguard structure and battery modules |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206388763U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106784492A (en) * | 2017-01-23 | 2017-05-31 | 华霆(合肥)动力技术有限公司 | A kind of laminated type safeguard structure and battery modules |
CN107591508A (en) * | 2017-10-09 | 2018-01-16 | 华霆(合肥)动力技术有限公司 | Battery core fixed structure, battery modules and its assembly method |
CN108258181A (en) * | 2018-01-02 | 2018-07-06 | 华霆(合肥)动力技术有限公司 | Insulating protection cylinder manifold and its manufacturing method |
-
2017
- 2017-01-23 CN CN201720090274.3U patent/CN206388763U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106784492A (en) * | 2017-01-23 | 2017-05-31 | 华霆(合肥)动力技术有限公司 | A kind of laminated type safeguard structure and battery modules |
CN107591508A (en) * | 2017-10-09 | 2018-01-16 | 华霆(合肥)动力技术有限公司 | Battery core fixed structure, battery modules and its assembly method |
CN107591508B (en) * | 2017-10-09 | 2024-01-23 | 华霆(合肥)动力技术有限公司 | Battery core fixing structure, battery module and assembly method of battery module |
CN108258181A (en) * | 2018-01-02 | 2018-07-06 | 华霆(合肥)动力技术有限公司 | Insulating protection cylinder manifold and its manufacturing method |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Chen et al. | A flexible dual‐ion battery based on PVDF‐HFP‐modified gel polymer electrolyte with excellent cycling performance and superior rate capability | |
CN106784492A (en) | A kind of laminated type safeguard structure and battery modules | |
KR101283347B1 (en) | High-Output, Large-Capacity Battery Pack | |
CN102683751B (en) | High-capacity high-magnification square lithium ion power battery and manufacturing method thereof | |
CN101286577A (en) | Lithium ion power cell with high power | |
CN206388763U (en) | A kind of laminated type safeguard structure and battery modules | |
JP2008243736A (en) | Lithium ion secondary battery and its manufacturing method | |
JP2010027261A (en) | Battery pack | |
EP3432384B1 (en) | Battery pack comprising electrode terminal connection plate | |
CN102157753A (en) | Fast-charging high-power winding column type lithium ion battery | |
EP2669968A1 (en) | Cylindrical battery | |
WO2021023138A1 (en) | Positive electrode plate, and lithium ion battery and device associated therewith | |
CN111211358A (en) | Multi-lug quick-charging cylindrical lithium battery | |
WO2020192206A1 (en) | Battery, electrical apparatus and cell installation method | |
JP2002270242A (en) | Nonaqueous secondary cell, and manufacturing method of the same | |
CN207009532U (en) | A kind of Universal rechargeable battery formed using lithium-ion electric core | |
Chen et al. | Thermal Safety and Runaway Blocking Mechanism for Lithium-Ion Batteries through Introducing Nanoscale Magnesium Hydroxide into the LiNi0. 5Co0. 2Mn0. 3O2 Cathode | |
CN204204980U (en) | A kind of Li-ion batteries piles | |
CN108140755A (en) | Secondary cell | |
KR20230106156A (en) | Fluorine-free insulating paste, cathode strips, secondary cells, battery modules, battery packs and electrical devices | |
WO2022051879A1 (en) | Electrochemical device and electronic device | |
CN103427095A (en) | Manufacturing method of high-capacity power-type battery pack | |
CN202758957U (en) | Novel high charge-discharge rate battery | |
CN202839814U (en) | Novel polymer lithium battery connecting device | |
CN201725841U (en) | Novel lithium-ion battery in multi-cell structure |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP02 | Change in the address of a patent holder | ||
CP02 | Change in the address of a patent holder |
Address after: 230000 Anhui Hefei economic and Technological Development Zone, Xin Xin Road, No. 62 power battery factory Patentee after: Huating (Hefei) Power Technology Co., Ltd. Address before: 230000 Hefei 26 Economic Development Zone, Anhui, 5 (Building No. 5) Patentee before: Huating (Hefei) Power Technology Co., Ltd. |