CN113328452B - Retired power battery and retired super capacitor combined movable energy storage charging system - Google Patents
Retired power battery and retired super capacitor combined movable energy storage charging system Download PDFInfo
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- CN113328452B CN113328452B CN202110636135.7A CN202110636135A CN113328452B CN 113328452 B CN113328452 B CN 113328452B CN 202110636135 A CN202110636135 A CN 202110636135A CN 113328452 B CN113328452 B CN 113328452B
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- 239000003990 capacitor Substances 0.000 title claims abstract description 96
- 238000004146 energy storage Methods 0.000 title claims abstract description 42
- 230000008521 reorganization Effects 0.000 claims abstract description 42
- 238000012544 monitoring process Methods 0.000 claims description 21
- 238000007599 discharging Methods 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 9
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 claims description 5
- 230000036541 health Effects 0.000 claims description 4
- 239000013589 supplement Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000000135 prohibitive effect Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
- H02J3/322—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means the battery being on-board an electric or hybrid vehicle, e.g. vehicle to grid arrangements [V2G], power aggregation, use of the battery for network load balancing, coordinated or cooperative battery charging
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The application discloses a mobile energy storage charging system compounded by a retired power battery and a retired super capacitor, which comprises the following components: the retired power battery reorganization cabinet is charged through the power distribution network and is used for charging a retired super capacitor system, and alternating current is provided for an alternating current bus through the inversion cabinet, so that a low-power alternating current power supply is provided for the vehicle-mounted alternating current charging pile; the retired super capacitor system is charged through a power distribution network or a retired power battery reorganization cabinet and is used for providing a high-power direct-current power supply for the vehicle-mounted direct-current charging pile through the inversion cabinet. According to the application, the retired power battery reorganization cabinet and the retired super capacitor system are configured to form the energy storage charging system, the power battery is used for meeting the requirement of small-current alternating-current charging of a user, and the super capacitor is used for meeting the requirement of large-current direct-current charging of the user, so that the application range of the energy storage charging system is enlarged.
Description
Technical Field
The application relates to the technical field of energy storage and power supply, in particular to a mobile energy storage and charging system compounded by a retired power battery and a retired super capacitor.
Background
In recent years, as market share of electric vehicles is improved year by year, contradiction of relatively lagging construction scale of a charging pile is also highlighted, so that most of electric vehicle owners have mileage anxiety, the problems of lagging construction of the charging pile, low battery capacity and the like limit development and popularization of the electric vehicles to a certain extent, and core problems of difficult charging, short endurance and the like make more potential vehicle owners prohibitive. For electric car owners, the problems they face are mainly in the following aspects: 1. in urban busy zones, charging piles with fixed positions cannot be installed due to limited land resources; 2. the vehicle can not run or even run due to insufficient endurance of the vehicle caused by traffic jam, sudden drop of air temperature or performance reduction of a battery, the cost of calling for trailer rescue is high, and the travel arrangement of a vehicle owner can be influenced; 3. in some old communities, high-power direct-current charging piles cannot be installed and used due to the limitations of field area and transformer capacity. Therefore, the electric automobile has a certain gap in the technologies of emergency power supply, mobile charging and the like.
In recent years, the electric automobile is rapidly developed in scale, the power battery is widely applied, meanwhile, the super capacitor is increasingly applied to the fields of tramcars, electric automobiles, hybrid electric automobiles and the like, along with the time, the power battery and the coming first wave retired peak face the coming power battery and super capacitor retired climax, if the huge quantity of retired batteries and capacitors cannot be properly processed, a series of environmental problems and safety problems can be brought, and the resource waste can be caused. Although the retired power battery and the super capacitor cannot be applied to original electric vehicles, tramcars and the like, the retired power battery and the super capacitor can be applied to other occasions, such as an energy storage system, a charging system and the like.
Disclosure of Invention
The application provides a mobile energy storage charging system compounded by a retired power battery and a retired super capacitor, which is used for solving the technical problem that the application of the retired power battery and the retired super capacitor to the energy storage charging system is lacking in the prior art.
In order to solve the technical problems, the technical scheme provided by the application is as follows:
a mobile energy storage charging system combining a retired power battery and a retired super capacitor, comprising:
the retired power battery reorganization cabinet is charged through the power distribution network and is used for charging a retired super capacitor system, and alternating current is provided for an alternating current bus through the inversion cabinet, so that a low-power alternating current power supply is provided for the vehicle-mounted alternating current charging pile;
the retired super capacitor system is charged through a power distribution network or a retired power battery reorganization cabinet and is used for providing a high-power direct-current power supply for the vehicle-mounted direct-current charging pile through the inversion cabinet.
Preferably, the mobile energy storage charging system compounded by the retired power battery and the retired super capacitor further comprises a vehicle-mounted control system, wherein the vehicle-mounted control system is used for controlling charging and discharging of the retired power battery reorganization cabinet and the retired super capacitor system as follows:
during charging, the retired power battery reorganization cabinet and the retired super capacitor system are charged through a ground charging station connected with the power distribution network;
when the power supply state is that a user needs to charge through direct current fast or supplement power in an emergency, the retired super capacitor system provides a high-power direct current power supply for the vehicle-mounted direct current charging pile through the inverter cabinet, so that the requirement of fast charging of the electric automobile is met;
when the power supply state is that a user needs to charge at a low speed through alternating current or charge conventionally, the retired power battery reorganization cabinet supplies a low-power alternating current power supply for the vehicle-mounted alternating current charging pile through the inversion cabinet, so that the alternating current slow charging requirement of the electric automobile is met;
and in the interval time period which does not belong to the three situations, the retired power battery reorganization cabinet charges the retired super capacitor system by using smaller current.
Preferably, the vehicle-mounted control system performs data communication with a cloud platform on the ground through wireless communication; the cloud platform is interconnected and communicated with a plurality of vehicle-mounted control systems to form an energy storage power supply network and is used for providing cloud platform connection for a mobile phone user terminal and providing a service for inquiring the position, the electric quantity, the real-time charging state and one-key reservation of the mobile energy storage charging system.
Preferably, the retired power battery reorganization cabinet comprises a plurality of battery units connected in series, each battery unit comprises a plurality of battery modules connected in series, and each battery module is formed by connecting a plurality of retired lithium iron phosphate power batteries with the same capacity by the same manufacturer in parallel.
Preferably, the mobile energy storage charging system comprises two sets of retired super capacitor systems which are in parallel connection, each retired super capacitor system is composed of 42 super capacitor modules, and each super capacitor module is in a structure of 3-6 strings.
Preferably, the vehicle-mounted control system comprises a charging control module, an information acquisition module and an intelligent charging monitoring module;
the charging control module is used for controlling and switching four conditions of charging and discharging of the retired power battery reorganization cabinet and the retired super capacitor system, and protecting overvoltage, overcurrent and overtemperature;
the information acquisition module is used for acquiring system voltage, current and temperature; performing energy detection, insulation detection and communication detection;
and the intelligent charging monitoring module is used for monitoring the charging and discharging conditions of the retired power battery reorganization cabinet and the retired super capacitor system.
Preferably, the intelligent charging monitoring module comprises a battery management system and a capacitance management system, wherein the battery management system is used for monitoring the charging and discharging conditions of the retired power battery reorganization cabinet; the capacitor management system is used for monitoring the charge and discharge conditions of the retired super capacitor system, and the battery management system is connected with the capacitor management system and communicates to share the health conditions of the battery and the capacitor.
The application has the following beneficial effects:
1. according to the mobile energy storage charging system compounded by the retired power battery and the retired super capacitor, the retired power battery reorganization cabinet and the retired super capacitor system are configured to form the energy storage charging system, the characteristics of small output current of the power battery and large output current of the super capacitor are utilized, the power battery is used for meeting the requirement of small current alternating current charging of a user, the super capacitor is used for meeting the requirement of large current direct current charging of the user, and the application range of the energy storage charging system is improved.
2. In the preferred scheme, the mobile energy storage charging system is ensured to be safely used by configuring the vehicle-mounted control system to control the charging and discharging of the retired power battery reorganization cabinet and the retired super capacitor system.
3. In a preferred scheme, the intelligent charging monitoring module is configured to monitor the charging and discharging conditions of the retired power battery reorganization cabinet and the capacitor management system, so that stable operation and healthy operation of the battery and the capacitor are ensured.
In addition to the objects, features and advantages described above, the present application has other objects, features and advantages. The application will be described in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a schematic overall layout of a preferred embodiment of the present application;
fig. 2 is a schematic diagram of the vehicle control system and the cloud platform according to the preferred embodiment of the present application.
Detailed Description
Embodiments of the application are described in detail below with reference to the attached drawings, but the application can be implemented in a number of different ways, which are defined and covered by the claims.
Referring to fig. 1 and 2, a mobile energy storage charging system combining a retired power battery and a retired super capacitor according to the present application includes:
the retired power battery reorganization cabinet is charged through the power distribution network and is used for charging a retired super capacitor system, and alternating current is provided for an alternating current bus through the inversion cabinet, so that a low-power alternating current power supply is provided for the vehicle-mounted alternating current charging pile;
the retired super capacitor system is charged through a power distribution network or a retired power battery reorganization cabinet and is used for providing a high-power direct-current power supply for the vehicle-mounted direct-current charging pile through the inversion cabinet. When the system is implemented, the retired power battery reorganization cabinet is used as an energy storage unit and a power supply unit, and is used for charging the retired super capacitor system when being used as an internal energy storage unit of the system, and is used for providing alternating current for the alternating current bus through the inversion cabinet when being used as the power supply unit, so that a low-power alternating current power supply is provided for the vehicle-mounted alternating current charging pile; the retired super capacitor system is used as a power supply unit and used for providing a high-power direct-current power supply for the vehicle-mounted direct-current charging pile through the inverter cabinet.
In this embodiment, a mobile energy storage charging system compounded by a retired power battery and a retired super capacitor further includes a vehicle-mounted control system, where the vehicle-mounted control system is used to control charging and discharging of the retired power battery reorganization cabinet and the retired super capacitor system as follows:
during charging, the retired power battery reorganization cabinet and the retired super capacitor system are charged through a ground charging station connected with the power distribution network;
when the power supply state is that a user needs to charge through direct current fast or supplement power in an emergency, the retired super capacitor system provides a high-power direct current power supply for the vehicle-mounted direct current charging pile through the inverter cabinet, so that the requirement of fast charging of the electric automobile is met;
when the power supply state is that a user needs to charge at a low speed through alternating current or charge conventionally, the retired power battery reorganization cabinet supplies a low-power alternating current power supply for the vehicle-mounted alternating current charging pile through the inversion cabinet, so that the alternating current slow charging requirement of the electric automobile is met;
and in the interval time period which does not belong to the three situations, the retired power battery reorganization cabinet charges the retired super capacitor system by using smaller current. When the method is implemented, under a charging state, the retired power battery reorganization cabinet good-heat retired super capacitor system is connected to a power distribution network through a ground charging station; when a user needs to charge the electric vehicle quickly through direct current or supplement power in an emergency under the power supply state, the electric vehicle is connected with the vehicle-mounted direct current charging pile, and the retired super capacitor system provides a high-power direct current power supply for the vehicle-mounted direct current charging pile through the inverter cabinet, so that the requirement of quick charging of the electric vehicle is met; when a user needs to charge at a low speed through alternating current or charge conventionally in a power supply state, the electric automobile is connected with the vehicle-mounted alternating current charging pile, and the retired power battery reorganization cabinet supplies a low-power alternating current power supply for the vehicle-mounted alternating current charging pile through the inversion cabinet, so that the requirement of the low-speed alternating current charging of the electric automobile is met; and in the interval time period which does not belong to the three situations, the retired power battery reorganization cabinet charges the retired super capacitor system by using smaller current.
In the embodiment, the vehicle-mounted control system performs data communication with a cloud platform on the ground through wireless communication; the cloud platform is interconnected and communicated with a plurality of vehicle-mounted control systems to form an energy storage power supply network and is used for providing cloud platform connection for a mobile phone user terminal and providing a service for inquiring the position, the electric quantity, the real-time charging state and one-key reservation of the mobile energy storage charging system. When the method is implemented, the cloud platform is interconnected and communicated with a plurality of vehicle-mounted control systems to form an energy storage power supply network, the cloud platform is used for providing cloud platform connection for a mobile phone user terminal, each set of mobile energy storage charging system is used as a communication node, a plurality of communication nodes form an energy storage power supply network with a huge scale, the power supply network further comprises a site monitoring system for monitoring a charging site, early warning is carried out on potential safety hazards, the site monitoring system is connected with a cloud platform, the cloud platform comprises a vehicle owner service system and an operation service system, an operation management module is used for managing the power supply network formed by each communication node, a user can register a system account number through the vehicle owner management system, one-key reservation is carried out by using a mobile phone APP, or nearby mobile energy storage charging systems are inquired, and the difficulty of emergency charging service of the user of the electric vehicle can be effectively solved.
In this embodiment, the retired power battery reorganization cabinet includes a plurality of battery cells that establish ties, and every battery cell includes a plurality of battery modules that establish ties, and every battery module is formed by parallelly connected with lithium iron phosphate power battery of the same producer with the capacity of a plurality of retirement. During implementation, based on comprehensive consideration of economy and practicality, the system adopts retired power batteries and 3.2V20Ah lithium iron phosphate power batteries retired by certain battery manufacturers in China, voltage can be classified and recombined according to historical data such as service life, battery system, model and the like, 10 retired 3.2V20Ah lithium iron phosphate batteries are firstly selected, the monomers are connected in parallel to form a 200Ah battery module, then 6 battery modules formed according to the steps are connected in series to form new battery units, and 40 battery units are connected in series to form a retired power battery recombination cabinet.
In this embodiment, the mobile energy storage charging system includes two sets of retired super capacitor systems working in parallel, each retired super capacitor system is composed of 42 super capacitor modules, and each super capacitor module is of a 3-6 serial structure. The super capacitor power supply system adopts 60000F monomer during implementation, and the module adopts 3 and 6 cluster structures, and is totally constituteed by 42 modules, and system rated operating voltage is DC630V-DC860V, and maximum operating current is 600A, and rated capacity is about 916.7F, and available electric quantity is about 39 kW.h, and maximum output power exceeds 500kW, and portable energy storage charging system is equipped with two sets of super capacitor power supply system and connects in parallel and work, and the electric quantity that can be used to quick charge is close 80 kW.h.
In this embodiment, the vehicle-mounted control system includes a charging control module, an information acquisition module, and an intelligent charging monitoring module;
the charging control module is used for controlling and switching four conditions of charging and discharging of the retired power battery reorganization cabinet and the retired super capacitor system, and protecting overvoltage, overcurrent and overtemperature;
the information acquisition module is used for acquiring system voltage, current and temperature; performing energy detection, insulation detection and communication detection;
and the intelligent charging monitoring module is used for monitoring the charging and discharging conditions of the retired power battery reorganization cabinet and the retired super capacitor system.
In this embodiment, referring to fig. 2, the intelligent charging monitoring module includes a battery management system and a capacitance management system, where the battery management system is used to monitor the charging and discharging conditions of the retired power battery reorganization cabinet; the capacitor management system is used for monitoring the charge and discharge conditions of the retired super capacitor system, and the battery management system is connected with the capacitor management system and communicates to share the health conditions of the battery and the capacitor. When the system is implemented, the battery management system and the capacitor management system have communication capability, can perform data exchange in real time, monitor the charge and discharge states of the lithium battery pack and the super capacitor, and share the health conditions of the battery and the capacitor, so that the system works in an optimal working state.
In summary, the application realizes the cooperation of the power battery and the super capacitor by configuring the retired power battery reorganization cabinet and the retired super capacitor system, thereby overcoming the shortages of the power battery and the super capacitor, providing a low-power alternating current power supply for the retired power battery reorganization cabinet, providing a high-power direct current power supply for the retired super capacitor system, and improving the application range of the energy storage charging system. The technical problem that application of retired power batteries and retired super capacitors to an energy storage charging system is lacking in the prior art is solved.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (6)
1. The utility model provides a portable energy storage charging system of retired power battery and retired super capacitor complex which characterized in that includes:
the retired power battery reorganization cabinet is charged through the power distribution network and is used for charging a retired super capacitor system, and alternating current is provided for an alternating current bus through the inversion cabinet, so that a low-power alternating current power supply is provided for the vehicle-mounted alternating current charging pile;
the retired super capacitor system is charged through a power distribution network or a retired power battery reorganization cabinet and is used for providing a high-power direct-current power supply for the vehicle-mounted direct-current charging pile through the inversion cabinet;
the system also comprises a vehicle-mounted control system, wherein the vehicle-mounted control system is used for controlling the charging and discharging of the retired power battery reorganization cabinet and the retired super capacitor system as follows:
during charging, the retired power battery reorganization cabinet and the retired super capacitor system are charged through a ground charging station connected with the power distribution network;
when the power supply state is that a user needs to charge through direct current fast or supplement power in an emergency, a retired super capacitor system provides a high-power direct current power supply for a vehicle-mounted direct current charging pile through an inverter cabinet, so that the requirement of fast charging of an electric vehicle is met;
when the power supply state is that a user needs to charge at a low speed through alternating current or charge conventionally, a retired power battery reorganization cabinet supplies a low-power alternating current power supply for the vehicle-mounted alternating current charging pile through the inversion cabinet, so that the alternating current slow charging requirement of the electric vehicle is met;
and in the interval time period which does not belong to the three situations, the retired power battery reorganization cabinet charges the retired super capacitor system by using smaller current.
2. The mobile energy storage and charging system compounded by the retired power battery and the retired super capacitor according to claim 1, wherein the vehicle-mounted control system is in data communication with a cloud platform on the ground through wireless communication; the cloud platform is interconnected and communicated with a plurality of vehicle-mounted control systems to form an energy storage power supply network, and is used for providing cloud platform connection for a mobile phone user terminal, and providing a service for inquiring the position, the electric quantity, the real-time charging state and one-key reservation charging of the mobile energy storage charging system.
3. The mobile energy storage charging system combining the retired power battery and the retired super capacitor according to claim 1, wherein the retired power battery reorganization cabinet comprises a plurality of battery units connected in series, each battery unit comprises a plurality of battery modules connected in series, and each battery module is formed by connecting a plurality of retired lithium iron phosphate power batteries with the same capacity and the same manufacturer in parallel.
4. The mobile energy storage charging system combining the retired power battery and the retired super capacitor according to claim 3, wherein the mobile energy storage charging system comprises two sets of retired super capacitor systems which are in parallel connection, each retired super capacitor system is composed of 42 super capacitor modules, and each super capacitor module is in a 3-6-string structure.
5. The mobile energy storage and charging system compounded by the retired power battery and the retired super capacitor according to claim 1, wherein the vehicle-mounted control system comprises a charging control module, an information acquisition module and an intelligent charging monitoring module;
the charging control module is used for controlling and switching four conditions of charging and discharging of the retired power battery reorganization cabinet and the retired super capacitor system, and protecting overvoltage, overcurrent and overtemperature;
the information acquisition module is used for acquiring system voltage, current and temperature; performing energy detection, insulation detection and communication detection;
the intelligent charging monitoring module is used for monitoring the charging and discharging conditions of the retired power battery reorganization cabinet and the retired super capacitor system.
6. The mobile energy storage charging system compounded by the retired power battery and the retired super capacitor according to claim 5, wherein the intelligent charging monitoring module comprises a battery management system and a capacitor management system, and the battery management system is used for monitoring the charging and discharging conditions of the retired power battery reorganization cabinet; the capacitor management system is used for monitoring the charge and discharge conditions of the retired super capacitor system, and the battery management system is connected with the capacitor management system and communicates to share the health conditions of the battery and the capacitor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110636135.7A CN113328452B (en) | 2021-06-08 | 2021-06-08 | Retired power battery and retired super capacitor combined movable energy storage charging system |
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| CN202110636135.7A CN113328452B (en) | 2021-06-08 | 2021-06-08 | Retired power battery and retired super capacitor combined movable energy storage charging system |
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| CN113328452B true CN113328452B (en) | 2023-11-17 |
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