CN207781834U - A kind of power battery module with novel battery acquisition system - Google Patents
A kind of power battery module with novel battery acquisition system Download PDFInfo
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- CN207781834U CN207781834U CN201820220881.1U CN201820220881U CN207781834U CN 207781834 U CN207781834 U CN 207781834U CN 201820220881 U CN201820220881 U CN 201820220881U CN 207781834 U CN207781834 U CN 207781834U
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- battery
- acquisition system
- battery module
- acquisition
- pulling
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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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Abstract
The utility model discloses a kind of power battery module with novel battery acquisition system, including battery module (60), the battery module (60) includes multiple batteries (6)；There are one the plastic processing frames (3) of cross direction profiles for the top setting of battery module (60)；The rear and front end of the plastic processing frame (3) is connected separately with multiple bus-bars (2)；It is provided with battery acquisition system (1) at the top of the plastic processing frame (3)；The battery acquisition system (1) includes the soft board (13) of cross direction profiles, temperature sensor (15), the first acquisition terminal (12) and the second acquisition terminal (14) are provided on soft board (13), the first acquisition terminal (12) and the second acquisition terminal (14) are fixedly connected with bus-bar (2) respectively.The utility model can reliably and securely be acquired the voltage and temperature signal of battery in battery modules, and the battery in battery modules is avoided to occur destroying battery acquisition system when dilatancy.
Description
Technical field
The utility model is related to battery technology fields, more particularly to a kind of power electric with novel battery acquisition system
Pond module.
Background technology
Currently, electric vehicle has obtained widely universal, electric vehicle obtains the attention of various countries instead of fuel vehicle, also depth by
Consumer pursues.At the same time, electric vehicle is there is also deficiency, the problem that for example there is course continuation mileages is low, safety is poor.
For electric vehicle, the battery system having usually is made of hundreds and thousands of a battery series-parallel connections, for more preferable prison
The battery status of survey, the service life for improving battery system and safety, need to just carry out the signals such as the voltage of battery and temperature
Acquisition.
For the battery system of electric vehicle comprising multiple battery modules (such as dozens of), each battery modules are again
It thus in order to acquire the voltage and temperature signal of battery modules, is generally adopted equipped with battery in battery modules including multiple batteries
Collecting system, battery acquisition system is by connecting battery, to realize the acquisition to signals such as the voltage of battery and temperature.But it is right
In the battery acquisition system of existing battery modules, since battery modules are when recycling, battery will appear oxygen blast cyanidation, lead
(such as by downthrust then deform) can be destroyed under the action of bulging power by sending a telegraph pond acquisition system so that battery acquisition system
It can not normally be connect with battery, can not reliably acquire the voltage of battery and temperature signal in battery modules and be acquired.
It therefore, can be reliably and securely to the electricity of battery in battery modules at present there is an urgent need to develop a kind of technology is gone out
Pressure and temperature signal are acquired, and battery acquisition system is destroyed when the battery in battery modules being avoided dilatancy occur, is carried
The service life of high battery acquisition system.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of power battery mould with novel battery acquisition system
Group is had excellent performance, and can be reliably and securely acquired, be avoided to the voltage and temperature signal of battery in battery modules
Battery in battery modules occurs destroying battery acquisition system when dilatancy, improves the service life of battery acquisition system, has
Conducive to widely promoting and applying, it is of great practical significance.
For this purpose, the utility model provides a kind of power battery module with novel battery acquisition system, including battery
Module, the battery module include multiple batteries；
There are one the plastic processing frames of cross direction profiles for the top setting of the battery module；
The rear and front end of the plastic processing frame is connected separately with multiple bus-bars；
Battery acquisition system is provided at the top of the plastic processing frame；
The battery acquisition system includes the soft board of cross direction profiles, and temperature sensor, at least one are provided on the soft board
It is a first acquisition terminal and it is at least one second acquisition terminal, it is described first acquisition terminal and second acquisition terminal respectively with it is described
Bus-bar is fixed together.
Wherein, the left and right ends of the battery module are respectively set there are one end plate, the rear and front end of the battery module
Side plate there are one being respectively set；
Each end plate rear and front end is fixedly connected with the adjacent side plate.
Wherein, the first acquisition terminal and the second acquisition terminal are laser welded with the bus-bar respectively.
Wherein, it is respectively set that there are one the first anti-pulling-on pieces in the middle part of the rear side left end of the soft board and front side；
There are one the first acquisition terminals for setting on each first anti-pulling-on piece；
Each first acquisition terminal is prominent to the outside of the described first anti-pulling-on piece；
The shape of the first anti-pulling-on piece is L-shaped.
Wherein, it is respectively set there are one the second anti-pulling-on piece in the middle part of the front side right end of the soft board and rear side,
There are one the second acquisition terminals for setting on the second anti-pulling-on piece；
The shape of the second anti-pulling-on piece is L-shaped.
Wherein, the link position opening setting of the second acquisition terminal and the described second anti-pulling-on piece is led there are one hollow
Thermal protection structure；
It is provided with the temperature sensor in the heat conduction safeguard structure.
Wherein, the temperature sensor is adhesively fixed together by thermal conductive insulation glue and the heat conduction safeguard structure.
Wherein, the front side left end of the soft board and rear side right end are respectively set there are one dashpot；
Accordingly, the plastic processing frame is respectively set that there are one card slot, institutes in position corresponding with each dashpot
Dashpot is stated to be embedded into the card slot；
The dashpot is the groove of U-shaped.
Wherein, the front side left end of the soft board is also connected by a dashpot with the second acquisition terminal
It connects；
The rear side right end of the soft board is also connected by a dashpot with the first acquisition terminal.
Wherein, the left and right ends of the soft board are respectively set there are one connector, and the connector passes through harness and outside
Battery management system BMS be connected.
It is provided by the utility model by the above technical solution provided by the utility model as it can be seen that compared with prior art
A kind of power battery module with novel battery acquisition system, has excellent performance, can be reliably and securely in battery modules
The voltage and temperature signal of battery are acquired, and battery acquisition is destroyed when the battery in battery modules being avoided dilatancy occur
System improves the service life of battery acquisition system, is conducive to widely promote and apply, be of great practical significance.
Description of the drawings
Fig. 1 is a kind of overall structure diagram with novel battery acquisition system provided by the utility model；
Fig. 2 is a kind of stereochemical structure decomposing schematic representation with novel battery acquisition system provided by the utility model；
Fig. 3 is a kind of structural representation with battery acquisition system in novel battery acquisition system provided by the utility model
Figure；
Fig. 4 is a kind of second had with battery acquisition system in novel battery acquisition system provided by the utility model
Acquire the structural schematic diagram of terminal；
In figure, 1 is acquisition system, and 11 be connector, and 12 be the first acquisition terminal, and 13 be soft board, and 131 be the first anti-drawing
Piece, 132 be the second anti-pulling-on piece, and 133 be dashpot, and 14 be the second acquisition terminal, and 141 be heat conduction safeguard structure, and 15 be that temperature passes
Sensor；
2 be bus-bar, and 3 be plastic processing frame, and 31 be card slot, and 4 be end plate, and 5 be side plate, and 6 be battery, and 60 be battery module.
Specific implementation mode
In order to make those skilled in the art more fully understand the utility model, below in conjunction with the accompanying drawings and embodiment
The utility model is described in further detail.
Referring to Fig. 1 to Fig. 4, the utility model provides a kind of power battery module with novel battery acquisition system,
Including battery module 60, the battery module 60 includes parallel longitudinal arranged side by side and vertically disposed multiple batteries 6；
There are one the plastic processing frames 3 of cross direction profiles for the top setting of the battery module 60；
The rear and front end of the plastic processing frame 3 is connected separately with multiple bus-bars 2 (i.e. copper aluminium is arranged)；
The top of the plastic processing frame 3 is provided with battery acquisition system 1；
The battery acquisition system 1 includes the soft board 13 of cross direction profiles, be provided on the soft board 13 temperature sensor 15,
At least one first acquisition terminal 12 and at least one second acquisition terminal 14, the first acquisition terminal 12 and the second collection terminal
Son 14 is fixed together with the bus-bar 2 respectively.
In the present invention, in specific implementation, the soft board 13 is flexible circuit board FPC (FlexiblePrinted
Circuit), have the characteristics that light-weight, thickness is thin, soft, flexible.
In the present invention, in specific implementation, the left and right ends of the battery module 60 are respectively set that there are one end plates
4, the rear and front end of the battery module 60 is respectively set that there are one side plates 5；
The rear and front end of each end plate 4 is fixedly connected with the adjacent side plate 5.
In the present invention, in specific implementation, the anode ear and negative electrode lug of each battery 6 are located at the battery 6
Top.
In the present invention, in specific implementation, it is described first acquisition terminal 12 and second acquire terminal 14 respectively with institute
Bus-bar 2 is stated to be laser welded.
In specific implementation, the bus-bar 2 is with each anode ear at 6 top of the battery or negative electrode lug laser welding one
It rises.
In the present invention, in specific implementation, one is respectively arranged in the middle part of the rear side left end of the soft board 13 and front side
A first anti-pulling-on piece 131；
There are one the first acquisition terminals 12 for setting on each first anti-pulling-on piece 131；
The outside (direction i.e. far from soft board 13) of each first acquisition terminal 12 to the described first anti-pulling-on piece 131 is prominent
Go out.
In specific implementation, the shape of the first anti-pulling-on piece 131 is L-shaped, overbending direction and electricity in the battery modules
The expansion direction in pond is identical, namely facing away from the expansion direction of battery modules.
In the present invention, in specific implementation, one is respectively arranged in the middle part of the front side right end and rear side of the soft board 13
A second anti-pulling-on piece 132,
There are one the second acquisition terminals 14 for setting on the second anti-pulling-on piece 132.
In specific implementation, the shape of the second anti-pulling-on piece 132 is L-shaped, overbending direction and electricity in the battery modules
The expansion direction in pond is identical, namely facing away from the expansion direction of battery modules.
In specific implementation, the link position opening of the second acquisition terminal 14 and the described second anti-pulling-on piece 132 is provided with
One hollow heat conduction safeguard structure 141；
The temperature sensor 15 is provided in the heat conduction safeguard structure 141, i.e. temperature sensor 15 is set to described
The inside of heat conduction safeguard structure 141.
In specific implementation, the heat conduction safeguard structure 141 is the structure of the internally flanging (i.e. to opening direction).
In specific implementation, the temperature sensor 15 acquires the heat conduction on terminal 14 by thermal conductive insulation glue with described second
Safeguard structure 141 is adhesively fixed together.
It should be noted that since heat conduction safeguard structure 141 is the structure to inside edge, and temperature sensor is adopted with second
Collection terminal is mutually adhesively fixed by thermal conductive insulation glue, therefore, it is possible to increase the contact surface of thermal conductive insulation glue and the second acquisition terminal
Product, to improve the acquisition precision of temperature sensor.
In the present invention, in specific implementation, the left and right ends of the soft board 13 are respectively set there are one connector 11,
The connector 11 is connected by harness with external battery management system (BMS), for passing through battery management system, simultaneously
Realize detecting and controlling for voltage and temperature.
It should be noted that for the battery management system (BMS) on existing electric vehicle, can intelligently manage
And safeguard each battery, it prevents battery from the problem of overcharge and overdischarge occur, extends the service life of battery, while monitoring electricity
The state in pond.
In the present invention, in specific implementation, the front side left end and rear side right end of the soft board 13 are respectively arranged with one
A dashpot 133；
Accordingly, the plastic processing frame 3 is respectively set in position corresponding with each dashpot 133 there are one card slot
31, the dashpot 133 is embedded into the card slot 31.
In specific implementation, the dashpot 133 is the groove of U-shaped.
In specific implementation, the front side left end of the soft board 13 also passes through a dashpot 133 and one described second
Acquisition terminal 14 is connected；
The rear side right end of the soft board 13 also passes through a dashpot 133 and the first acquisition 12 phase of terminal
Connection.
In the present invention, it should be noted that the multiple battery 6 is connected according to connection in series-parallel relationship by bus-bar 2
Together,
In specific implementation, the anode ear of multiple batteries 6 or negative electrode lug and a confluence in the battery module 60
Row 2 is laser welded.
For the utility model, its working principle is that：Multiple batteries 6 are located in the space that end plate 4 is surrounded with side plate 5,
Plastic processing frame 3 is located at 6 top of battery, and battery acquisition system 1 is located on plastic processing frame 3, and bus-bar 2 is embedded into front and back the two of plastic processing frame 3
Side, bus-bar 2 and the anode ear or negative electrode lug at 6 top of battery are connected by laser welding, and the first acquisition terminal 12 and second is adopted
Collect terminal 14 to be connected by laser welding with bus-bar 2, temperature sensor 15 is located at the inside of heat conduction safeguard structure 141, temperature
Sensor 15 is consolidated with the second acquisition terminal 14 by thermal conductive insulation glue, and connector 11 is connect by harness with BMS, realizes electricity
The Detection ＆ Controling of pressure, temperature.Therefore, for the utility model, when battery modules are during recycling, there is bulging
When situation, since the first anti-pulling-on piece 131 and the second anti-pulling-on piece 132 can be bent upwards, and 13 front side left end of the plate and rear side
Dashpot 133 on right end can stretch certain length when being acted on by external pull, to pass through the first anti-pulling-on piece
131, the effect of the second anti-pulling-on piece 132 and dashpot 133, not only can be to avoid on the first anti-pulling-on piece 131 and the second anti-pulling-on piece 132
First acquisition terminal 12 and second acquire terminal 14 destroyed, ensure first acquisition terminal 12 and second acquire terminal 14 have
There is good connection status, ensures that soft board 13 is not torn, at the same time it can also be ensured that between soft board 13 and outer plastic frame 3
Connection status further avoids battery acquisition system 1 and is destroyed.
It should be noted that compared with prior art, the utility model is to solve existing battery acquisition system to rouse in battery
The problem of being destroyed under the action of expansive force, and technical solution is specially devised, it has been substantially carried out improvement below：
1, the L-shaped first anti-pulling-on piece is devised on soft board and the second anti-pulling-on piece makes the first anti-pulling-on piece and the second anti-pulling-on piece
Overbending direction it is identical as the expansion direction of battery in the battery modules, to change stress shape of the soft board in module bulging
Formula improves the reliability and service life of battery acquisition system by being changed into before by pressure by pulling force；
2, the dashpot 133 of U-shaped is also devised on soft board, which is connected with external plastic processing frame, to
Soft board can be avoided to generate destruction in deformation；
3, heat conduction safeguard structure is equipped on the second acquisition terminal, form is internally flanging, due to temperature sensor with
Second acquisition terminal is mutually adhesively fixed by thermal conductive insulation glue, and terminal is acquired therefore, it is possible to increase thermal conductive insulation glue and second
Contact area, to improve the acquisition precision of temperature sensor.
Therefore, in conclusion compared with prior art, the utility model provides a kind of with novel battery acquisition system
The power battery module of system, has excellent performance, can reliably and securely the voltage to battery in battery modules and temperature signal into
Row acquisition, destroys battery acquisition system when the battery in battery modules being avoided dilatancy occur, improve battery acquisition system
Service life, be conducive to widely promote and apply, be of great practical significance.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of power battery module with novel battery acquisition system, which is characterized in that described including battery module (60)
Battery module (60) includes multiple batteries (6)；
There are one the plastic processing frames (3) of cross direction profiles for the top setting of the battery module (60)；
The rear and front end of the plastic processing frame (3) is connected separately with multiple bus-bars (2)；
It is provided with battery acquisition system (1) at the top of the plastic processing frame (3)；
The battery acquisition system (1) includes the soft board (13) of cross direction profiles, and temperature sensor is provided on the soft board (13)
(15), at least one first acquisition terminal (12) and at least one second acquisition terminal (14), the first acquisition terminal (12)
It is fixed together respectively with the bus-bar (2) with the second acquisition terminal (14).
2. the power battery module with novel battery acquisition system as described in claim 1, which is characterized in that the battery
The left and right ends of module (60) are respectively set there are one end plate (4), and the rear and front end of the battery module (60) is respectively arranged with
One side plate (5)；
The rear and front end of each end plate (4) is fixedly connected with the adjacent side plate (5).
3. the power battery module with novel battery acquisition system as described in claim 1, which is characterized in that described first
Acquisition terminal (12) and the second acquisition terminal (14) are laser welded with the bus-bar (2) respectively.
4. the power battery module with novel battery acquisition system as described in claim 1, which is characterized in that the soft board
(13) it is respectively set that there are one the first anti-pulling-on pieces (131) in the middle part of rear side left end and front side；
There are one the first acquisition terminals (12) for setting on each first anti-pulling-on piece (131)；
Each first acquisition terminal (12) is prominent to the described first anti-outside of pulling-on piece (131)；
The shape of the first anti-pulling-on piece (131) is L-shaped.
5. the power battery module with novel battery acquisition system, feature exist according to any one of claims 1 to 4
In, it is respectively set in the middle part of the front side right end and rear side of the soft board (13) there are one the second anti-pulling-on piece (132),
There are one the second acquisition terminals (14) for setting on the second anti-pulling-on piece (132)；
The shape of the second anti-pulling-on piece (132) is L-shaped.
6. the power battery module with novel battery acquisition system as claimed in claim 5, which is characterized in that described second
Acquisition terminal (14) and the link position of the described second anti-pulling-on piece (132) are open, and there are one hollow heat conduction safeguard structures for setting
(141)；
It is provided with the temperature sensor (15) in the heat conduction safeguard structure (141).
7. the power battery module with novel battery acquisition system as claimed in claim 6, which is characterized in that the temperature
Sensor (15) is adhesively fixed together by thermal conductive insulation glue and the heat conduction safeguard structure (141).
8. the power battery module with novel battery acquisition system, feature exist according to any one of claims 1 to 4
It is respectively set that there are one dashpots (133) in the front side left end and rear side right end of, the soft board (13)；
Accordingly, the plastic processing frame (3) is respectively set in position corresponding with each dashpot (133) there are one card slot
(31), the dashpot (133) is embedded into the card slot (31)；
The dashpot (133) is the groove of U-shaped.
9. the power battery module with novel battery acquisition system as claimed in claim 8, which is characterized in that the soft board
(13) front side left end is also connected by a dashpot (133) with a second acquisition terminal (14)；
The rear side right end of the soft board (13) also passes through a dashpot (133) and a first acquisition terminal (12)
It is connected.
10. the power battery module with novel battery acquisition system according to any one of claims 1 to 4, feature
Be, the left and right ends of the soft board (13) are respectively set there are one connector (11), the connector (11) by harness with
External battery management system BMS is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820220881.1U CN207781834U (en) | 2018-02-08 | 2018-02-08 | A kind of power battery module with novel battery acquisition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820220881.1U CN207781834U (en) | 2018-02-08 | 2018-02-08 | A kind of power battery module with novel battery acquisition system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207781834U true CN207781834U (en) | 2018-08-28 |
Family
ID=63209890
Family Applications (1)
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| CN201820220881.1U Active CN207781834U (en) | 2018-02-08 | 2018-02-08 | A kind of power battery module with novel battery acquisition system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546066A (en) * | 2018-12-05 | 2019-03-29 | 昆山长盈精密技术有限公司 | Battery modules connection system and bracket component |
| CN109638209A (en) * | 2018-12-17 | 2019-04-16 | 安捷利电子科技（苏州）有限公司 | A kind of battery signal acquisition harness and its bending technique with bending structure |
| CN109950448A (en) * | 2019-04-15 | 2019-06-28 | 桑顿新能源科技有限公司 | Soft package lithium battery mould group |
| CN111435723A (en) * | 2019-01-11 | 2020-07-21 | 莫仕连接器(成都)有限公司 | Battery connection module |
| WO2020168206A1 (en) * | 2019-02-15 | 2020-08-20 | Cps Technology Holdings Llc | Sensor for battery module |
| WO2020226965A1 (en) * | 2019-05-03 | 2020-11-12 | Cps Technology Holdings Llc | Bus bar assembly having a temperature sensing interface, battery module including the bus bar assembly, and method of manufacturing the battery module |
| CN112103460A (en) * | 2019-06-17 | 2020-12-18 | 矢崎总业株式会社 | Bus bar module |
| CN112151703A (en) * | 2019-06-28 | 2020-12-29 | 宁德时代新能源科技股份有限公司 | Battery module |
| CN112151894A (en) * | 2019-06-28 | 2020-12-29 | 宁德时代新能源科技股份有限公司 | Battery module |
| WO2020259144A1 (en) * | 2019-06-28 | 2020-12-30 | 宁德时代新能源科技股份有限公司 | Battery module and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109546066A (en) * | 2018-12-05 | 2019-03-29 | 昆山长盈精密技术有限公司 | Battery modules connection system and bracket component |
| CN109638209A (en) * | 2018-12-17 | 2019-04-16 | 安捷利电子科技（苏州）有限公司 | A kind of battery signal acquisition harness and its bending technique with bending structure |
| CN111435723A (en) * | 2019-01-11 | 2020-07-21 | 莫仕连接器(成都)有限公司 | Battery connection module |
| WO2020168206A1 (en) * | 2019-02-15 | 2020-08-20 | Cps Technology Holdings Llc | Sensor for battery module |
| CN113748569A (en) * | 2019-02-15 | 2021-12-03 | Cps 科技控股有限公司 | Sensor for battery module |
| CN109950448A (en) * | 2019-04-15 | 2019-06-28 | 桑顿新能源科技有限公司 | Soft package lithium battery mould group |
| CN109950448B (en) * | 2019-04-15 | 2023-08-22 | 桑顿新能源科技(长沙)有限公司 | Soft package lithium battery module |
| WO2020226965A1 (en) * | 2019-05-03 | 2020-11-12 | Cps Technology Holdings Llc | Bus bar assembly having a temperature sensing interface, battery module including the bus bar assembly, and method of manufacturing the battery module |
| CN114051676A (en) * | 2019-05-03 | 2022-02-15 | Cps 科技控股有限公司 | Bus bar assembly having temperature sensing interface, battery module including the same, and method for manufacturing the battery module |
| CN112103460B (en) * | 2019-06-17 | 2023-04-07 | 矢崎总业株式会社 | Bus bar module |
| CN112103460A (en) * | 2019-06-17 | 2020-12-18 | 矢崎总业株式会社 | Bus bar module |
| US11646458B2 (en) | 2019-06-17 | 2023-05-09 | Yazaki Corporation | Busbar module |
| CN112151894A (en) * | 2019-06-28 | 2020-12-29 | 宁德时代新能源科技股份有限公司 | Battery module |
| CN112151894B (en) * | 2019-06-28 | 2022-04-26 | 宁德时代新能源科技股份有限公司 | Battery module |
| WO2020259144A1 (en) * | 2019-06-28 | 2020-12-30 | 宁德时代新能源科技股份有限公司 | Battery module and device |
| CN112151703A (en) * | 2019-06-28 | 2020-12-29 | 宁德时代新能源科技股份有限公司 | Battery module |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220125 Address after: 266500 Minshan Road, Huangdao District, Qingdao, Shandong Patentee after: LISHEN (QINGDAO) NEW ENERGY CO.,LTD. Address before: 300384 Tianjin Xiqing District Binhai new and high technology Industrial Development Zone Huayuan Technology Park (outside the ring) Hai Tai Nan Road No. 38. Patentee before: LISHEN POWER BATTERY SYSTEMS Co.,Ltd. |