CN105609317B - A kind of acceleration energy packet, pure electric automobile supply unit and its acceleration control method based on lithium-ion capacitor - Google Patents
A kind of acceleration energy packet, pure electric automobile supply unit and its acceleration control method based on lithium-ion capacitor Download PDFInfo
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- CN105609317B CN105609317B CN201510834487.8A CN201510834487A CN105609317B CN 105609317 B CN105609317 B CN 105609317B CN 201510834487 A CN201510834487 A CN 201510834487A CN 105609317 B CN105609317 B CN 105609317B
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 45
- 230000001133 acceleration Effects 0.000 title claims abstract description 42
- 239000003990 capacitor Substances 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000002045 lasting effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/08—Structural combinations, e.g. assembly or connection, of hybrid or EDL capacitors with other electric components, at least one hybrid or EDL capacitor being the main component
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/04—Hybrid capacitors
- H01G11/06—Hybrid capacitors with one of the electrodes allowing ions to be reversibly doped thereinto, e.g. lithium ion capacitors [LIC]
-
- 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
- Y02E60/13—Energy storage using capacitors
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a kind of acceleration energy packet based on lithium-ion capacitor, include mainly lithium-ion capacitor module, Unidirectional direct-current power supply and the second DC relay, the lithium-ion capacitor module is set there are three terminals, including two positive terminals and a negative terminals, two of which positive terminal is respectively connected to the positive terminal and the second DC relay of Unidirectional direct-current power supply.And it discloses one is the supply unit of the pure electric automobile with the energy packet and its accelerates control method.The acceleration energy packet of the present invention, can effectively improve the use condition of power battery, extends the service life of power battery, improve charge-discharge performance of the power battery in its service life to avoid the power supply of the frequent momentary high power of power battery.
Description
Technical field
The present invention relates to a kind of acceleration energy packet based on lithium-ion capacitor, using the pure electric vehicle vapour of the acceleration energy packet
Vehicle supply unit and its acceleration control method, belong to electric motor car energy technical field.
Background technology
Due to environmental pollution and non-regeneration energy crisis, electric vehicle has been increasingly becoming a kind of important green traffic
Tool with energy saving, low noise, reduces the outstanding features such as discharge.Power battery used in electric vehicle and startup power supply one
As differ, it is persistently large current discharge with the medium current of long period（Start, accelerate or climbs）.Therefore to power electric
The basic demand in pond is：High-energy density, high power density, longer cycle life, preferable charge-discharge performance, price are low
Deng.（With reference to：《Power technology》, electric vehicle, electronic power supply on vehicle and its development strategy, thunder thunder etc., 2001 volume 25）
Two classes are broadly divided into applied to the power supply of electric vehicle at present, one kind is single power supply system, such as：Lead acid storage battery
Pond, lithium ion battery, ultracapacitor etc., such as patent：CN103057407A,CN204315642U,CN201559546U；Separately
A kind of composite power source, such as：Accumulator-ultracapacitor, dynamics battery-super capacitance device, high-energy power battery-Gao Gong
Rate power battery etc., such as patent：CN102501778A,CN104015626A,CN201457108U.
However, for the pure electric automobile of the marketization, mainly driven with power battery, it is car to be aided with accumulator
Load supplying；High-grade electric vehicle is further equipped with start stop system.
Ultracapacitor is the energy-storage travelling wave tube for having the characteristics that high-specific-power, high-energy-density, energy storage are more, and is also had low
Internal resistance, efficiency for charge-discharge are high, the advantages that having extended cycle life, can with the combinations such as other power batteries, for electric vehicle startup,
Accelerate and climbs.
And for the hybrid power system of dynamics battery-super capacitance device, heaviness, the volume of ultracapacitor are led greatly
It is difficult to be applied to pure electric automobile on a large scale to cause this mode.The road of traveling is complicated, and frequently giving it the gun leads to power electric
The frequent momentary high power electric discharge in pond, has prodigious irreversible influence, such as its cycle is made to make to the performance of power battery
It is reduced with the lost of life, discharge capacity, internal resistance increases.
Invention content
The technical problem to be solved by the invention is to provide a kind of the acceleration energy packet based on lithium-ion capacitor, use
The pure electric automobile supply unit and its acceleration control method of the energy packet, to eliminate the frequent acceleration of pure electric automobile to dynamic
Irremediable influence caused by power battery.
Lithium-ion capacitor uses lithium ion battery and ultracapacitor mixed structure, and anode is using ultracapacitor
Anode, cathode use the negative pole structure of lithium ion battery, have both high power, long-life characteristics and the lithium-ion electric of ultracapacitor
Pond high-energy density（Its energy density is much larger than lead-acid accumulator）Characteristic.Itself has very high voltage holding capability, often
25 DEG C of temperature is placed 3 months, and voltage declines≤5%；Safety in operation, the reliability of wide use temperature range.
The present invention is on the basis of changing existing pure electric automobile construction, it is proposed that a kind of based on lithium-ion capacitor
Acceleration energy packet includes mainly lithium-ion capacitor module, Unidirectional direct-current power supply and the second DC relay, the lithium-ion electric
Container module is set there are three terminals, including two positive terminals and a negative terminals, two of which positive terminal
It is respectively connected to the positive terminal and the second DC relay of Unidirectional direct-current power supply.
Pure electric automobile is used for using the acceleration energy packet based on lithium-ion capacitor above the invention also provides a kind of
Supply unit, including it is sequentially connected and can be formed the power battery of the second closed circuit, the first DC relay, inverter and three
Phase motor,
Lithium-ion capacitor module in the acceleration energy packet passes sequentially through the second DC relay, inverter and three-phase
Motor connects, and can form the first closed circuit；
The power battery is connect by Unidirectional direct-current power supply with the lithium-ion capacitor module, and third closure can be formed
Circuit.
Further, the Unidirectional direct-current power supply conducting direction is from power battery to lithium-ion capacitor module.
The invention also provides the control methods accelerated to automobile using the pure electric automobile supply unit, including such as
Lower step：
（1）, receive the acceleration signals that sends out of electromobile pedal, the first DC relay disconnects, and the second closed circuit is disconnected
It opens；
（2）, in step（1）While, the second DC relay be closed, the first closed circuit conducting, inverter by lithium from
The DC voltage of sub-capacitor module, which is converted to alternating voltage and provides high-power voltage for three phase electric machine, makes its fast turn-around in short-term,
Powerful power is provided for electric vehicle acceleration；
（3）When the acceleration signals of electromobile pedal is cancelled, the second DC relay disconnects, and the first closed circuit disconnects；
（4）, in step（3）While, the first DC relay is closed, and the conducting of the second closed circuit, inverter is by power
The DC voltage of battery is converted to alternating voltage and provides lasting long time running for three phase electric machine, is electric vehicle speed stabilizing row
Offer power is provided；
（5）, electric vehicle is without acceleration signals when running, when Unidirectional direct-current power detecting to the electricity of lithium-ion capacitor module
It forces down in providing the minimum voltage requirement needed for a pure electric automobile acceleration, Unidirectional direct-current power supply leads third closed circuit
It is logical, and it is that lithium-ion capacitor module charges to specified electricity that the low-voltage dc voltage of power battery, which is switched to high-voltage dc voltage,
It presses, then Unidirectional direct-current power supply disconnects third closed circuit.I.e. the third closed circuit is mainly used for lithium-ion capacitor group
It charges.
The supply unit for the pure electric automobile that acceleration energy packet using the present invention obtains, can be to avoid the frequency of power battery
The power supply of numerous momentary high power effectively improves the use condition of power battery, extends the service life of power battery, carries
High charge-discharge performance of the power battery in its service life.
Compared with ultracapacitor, lithium-ion capacitor has the characteristic of high power density and high-energy density, is meeting
The amount of lithium-ion capacitor needed under conditions of identical acceleration pure electric automobile greatly reduces, and required volume and weight is all
Far smaller than ultracapacitor, therefore it is designed into removable acceleration energy packet.I.e. the acceleration energy packet weight is few, volume
It is small, it is easy to carry.
In addition, due to the high voltage holding capacity of lithium-ion capacitor, it is not used in some months, also still has very high electricity
It presses to meet the acceleration environment of pure electric automobile.
Description of the drawings
Fig. 1 is the line circuit schematic diagram of the acceleration energy packet of the present invention；
Fig. 2 is the line circuit schematic diagram of the supply unit of original pure electric automobile；
Fig. 3 is the line circuit figure of the supply unit of the pure electric automobile of acceleration energy packet using the present invention.
In figure：Power battery BAT, DC relay EV1, EV2, inverter DC/AC, three phase electric machine MOTOR, Unidirectional direct-current
Power supply DC/DC, lithium-ion capacitor module LIC.
Specific implementation mode
Embodiment 1：Acceleration energy packet of the present invention based on lithium-ion capacitor as shown in Figure 1, mainly include lithium from
Sub-capacitor module LIC, Unidirectional direct-current power supply DC/DC, the second DC relay EV2, the lithium-ion capacitor module LIC are set
There are three terminals, including two positive terminals and a negative terminals, two of which positive terminal to be respectively connected to
Unidirectional direct-current power supply DC/DC and the second DC relay EV2.
Embodiment 2：The original supply unit of pure electric automobile is as shown in Fig. 2, including being sequentially connected and can form the second closure
The power battery BAT in circuit, the first DC relay EV1, inverter DC/AC and three phase electric machine MOTOR, using 1 institute of embodiment
The acceleration energy packet stated forms pure electric automobile of the present invention according to original supply unit is connected to as shown in Figure 3
Supply unit,
Wherein, lithium-ion capacitor module LIC passes sequentially through the second DC relay EV2, inverter DC/AC and three-phase electricity
Machine MOTOR connections, this is connected to form the first closed circuit；
Power battery BAT passes sequentially through the first DC relay EV1, inverter DC/AC is connect with three phase electric machine MOTOR,
Connection forms the second closed circuit between this；
Power battery BAT is connect by Unidirectional direct-current power supply DC/DC with lithium-ion capacitor module LIC, is formed after connection
Third closed circuit, Unidirectional direct-current power supply DC/DC conducting directions are from power battery BAT to lithium-ion capacitor module LIC.
Embodiment 3：Using the pure electric automobile supply unit described in embodiment 2, process is controlled to the acceleration of electric vehicle
For：
（1）, receive the acceleration signals that sends out of electromobile pedal, the first DC relay EV1 is disconnected, power battery BAT
It is disconnected by the first DC relay EV1, inverter DC/AC and three phase electric machine MOTOR the second closed circuit formed；
（2）, in step（1）While, the second DC relay EV2 is closed, and lithium-ion capacitor LIC passes through the second direct current
Relay EV2, inverter DC/AC are connected with the first closed circuit that three phase electric machine MOTOR is formed, inverter DC/AC by lithium from
The DC voltage of sub-capacitor module LIC, which is converted to alternating voltage and provides high-power voltage for three phase electric machine MOTOR, makes it in short-term
Fast turn-around, to provide powerful power for electric vehicle acceleration；
（3）When the acceleration signals of electromobile pedal is cancelled, the second DC relay EV2 is disconnected, and the first closed circuit is disconnected
It opens；
（4）, in step（3）While, the first DC relay EV1 is closed, and power battery BAT passes through the first direct current relay
Device EV1, inverter DC/AC and three phase electric machine MOTOR re-form the second closed circuit of conducting, and inverter DC/AC is by power
The DC voltage of battery BAT is converted to alternating voltage and provides lasting long time running for three phase electric machine MOTOR, is electronic vapour
Vehicle commander's time speed stabilizing traveling provides power；
（5）, electric vehicle is without acceleration signals when running, when Unidirectional direct-current power supply DC/DC detects lithium-ion capacitor mould
The voltage of group LIC less than provide pure electric automobile accelerate needed for minimum voltage requirement, Unidirectional direct-current power supply DC/DC is by the
Three closed circuits are connected, and it is lithium-ion capacitor mould that the low-voltage dc voltage of power battery BAT, which is switched to high-voltage dc voltage,
Group LIC charges to rated voltage, and then Unidirectional direct-current power supply DC/DC disconnects third closed circuit.
The high voltage holding capacity of lithium-ion capacitor still can after can making the energy that packet be accelerated to shelve some months
Larger voltage is provided, high-power power supply is carried out to three phase electric machine MOTOR.
Claims (4)
1. a kind of acceleration energy packet based on lithium-ion capacitor, it is characterised in that：The acceleration energy packet includes mainly lithium ion
Capacitor module, Unidirectional direct-current power supply and the second DC relay, the lithium-ion capacitor module set there are three terminals, wrap
Two positive terminals and a negative terminals are included, two of which positive terminal is being respectively connected to Unidirectional direct-current power supply just
Extreme and the second DC relay, the acceleration energy packet by the negative pole end of lithium-ion capacitance module, Unidirectional direct-current power supply it is negative
Extreme and the second DC relay the other end can be added to pure electric automobile supply unit and be dismantled.
2. a kind of pure electric automobile supply unit using acceleration energy packet described in claim 1, including it is sequentially connected and can shape
At the power battery of the second closed circuit, the first DC relay, inverter and three phase electric machine, it is characterised in that：
Lithium-ion capacitor module in the acceleration energy packet passes sequentially through the second DC relay, inverter and three phase electric machine
Connection, can form the first closed circuit；
The power battery is connect by Unidirectional direct-current power supply with the lithium-ion capacitor module, can be formed third and is closed back
Road.
3. the pure electric automobile supply unit of acceleration energy packet according to claim 2, it is characterised in that：The Unidirectional direct-current
Power supply conducting direction is from power battery to lithium-ion capacitor module.
4. the control accelerated to automobile using the pure electric automobile supply unit described in Claims 2 or 3 any one claim
Method processed, it is characterised in that this method comprises the following steps：
（1）, receive the acceleration signals that sends out of electromobile pedal, the first DC relay disconnects, and the second closed circuit disconnects；
（2）, in step（1）While, the second DC relay is closed, and the conducting of the first closed circuit, inverter is by lithium-ion electric
The DC voltage of container module, which is converted to alternating voltage and provides high-power voltage for three phase electric machine, makes its fast turn-around in short-term；
（3）When the acceleration signals of electromobile pedal is cancelled, the second DC relay disconnects, and the first closed circuit disconnects；
（4）, in step（3）While, the first DC relay is closed, and the conducting of the second closed circuit, inverter is by power battery
DC voltage be converted to alternating voltage lasting long time running be provided for three phase electric machine；
（5）, electric vehicle is without acceleration signals when running, when the voltage of Unidirectional direct-current power detecting to lithium-ion capacitor module is low
Accelerate required minimum voltage requirement, Unidirectional direct-current power supply that third closed circuit is connected in providing a pure electric automobile, and
It is that lithium-ion capacitor module charges to rated voltage that the low-voltage dc voltage of power battery, which is converted to high-voltage dc voltage, so
Unidirectional direct-current power supply disconnects third closed circuit afterwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510834487.8A CN105609317B (en) | 2015-11-25 | 2015-11-25 | A kind of acceleration energy packet, pure electric automobile supply unit and its acceleration control method based on lithium-ion capacitor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510834487.8A CN105609317B (en) | 2015-11-25 | 2015-11-25 | A kind of acceleration energy packet, pure electric automobile supply unit and its acceleration control method based on lithium-ion capacitor |
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| CN105609317A CN105609317A (en) | 2016-05-25 |
| CN105609317B true CN105609317B (en) | 2018-11-02 |
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| CN103010045A (en) * | 2012-12-26 | 2013-04-03 | 天津市松正电动汽车技术股份有限公司 | Dual-power new energy automobile driving device and control method thereof |
| CN103072492A (en) * | 2013-01-28 | 2013-05-01 | 吉林大学 | Active control type hybrid power system for pure electric bus and control method of active control type hybrid power system |
| CN203780331U (en) * | 2014-04-08 | 2014-08-20 | 嘉兴敏凯汽车零部件有限公司 | Electric vehicle start acceleration control system |
| CN205194527U (en) * | 2015-11-25 | 2016-04-27 | 上海展枭新能源科技有限公司 | Energy package, Pure electric vehicles power supply unit accelerate based on lithium ion capacitor |
-
2015
- 2015-11-25 CN CN201510834487.8A patent/CN105609317B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013059223A (en) * | 2011-09-09 | 2013-03-28 | Mazda Motor Corp | Hybrid power supply type electric vehicle |
| CN102983608A (en) * | 2012-12-17 | 2013-03-20 | 苏州大学 | Composite lithium battery and supercapacitor power supply control device for electromobile |
| CN103010045A (en) * | 2012-12-26 | 2013-04-03 | 天津市松正电动汽车技术股份有限公司 | Dual-power new energy automobile driving device and control method thereof |
| CN103072492A (en) * | 2013-01-28 | 2013-05-01 | 吉林大学 | Active control type hybrid power system for pure electric bus and control method of active control type hybrid power system |
| CN203780331U (en) * | 2014-04-08 | 2014-08-20 | 嘉兴敏凯汽车零部件有限公司 | Electric vehicle start acceleration control system |
| CN205194527U (en) * | 2015-11-25 | 2016-04-27 | 上海展枭新能源科技有限公司 | Energy package, Pure electric vehicles power supply unit accelerate based on lithium ion capacitor |
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Effective date of registration: 20220615 Address after: 333000 north of Zhihang Road, high tech Zone, Changjiang District, Jingdezhen City, Jiangxi Province (within Jingdezhen Weihang Technology Co., Ltd.) Patentee after: Jiangxi Zhanxiao New Energy Technology Co.,Ltd. Address before: 201199 room C307, huilide Industrial Park, No. 1-7, Lane 1356, Xinyuan Road, Minhang District, Shanghai Patentee before: SHANGHAI CAPENERGY TECHNOLOGY Co.,Ltd. |