CN220754364U - Household energy storage system based on flow battery - Google Patents
Household energy storage system based on flow battery Download PDFInfo
- Publication number
- CN220754364U CN220754364U CN202321773820.5U CN202321773820U CN220754364U CN 220754364 U CN220754364 U CN 220754364U CN 202321773820 U CN202321773820 U CN 202321773820U CN 220754364 U CN220754364 U CN 220754364U
- Authority
- CN
- China
- Prior art keywords
- flow battery
- power
- energy storage
- energy
- load
- 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
Landscapes
- Fuel Cell (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The application provides a household energy storage system based on a flow battery, which comprises a photovoltaic panel, an all-vanadium flow battery pack, an off-grid light storage integrated converter, a power grid and a load, wherein the off-grid light storage integrated converter is respectively connected with the photovoltaic panel, the all-vanadium flow battery pack, the power grid and the load; the photovoltaic panel is used for converting solar energy into direct current and supplying power to the off-grid light storage integrated converter; the all-vanadium redox flow battery is used for storing photovoltaic energy and commercial power at valley time, and the redundant alternating current is the alternating current remained after the load is used; the all-vanadium redox flow battery comprises a plurality of all-vanadium redox flow batteries, wherein each all-vanadium redox flow battery comprises a liquid storage tank, a galvanic pile, a pipeline and a pump, and the liquid storage tank, the pump and the galvanic pile are sequentially connected through the pipeline; the liquid storage tank is used for storing sulfuric acid electrolyte of vanadium ions in different valence states. The utility model can solve the problem of energy storage of the lithium battery, and can finish intelligent selection of photovoltaic, energy storage and commercial power.
Description
Technical Field
The utility model relates to the field of electrochemical energy storage, in particular to a household energy storage system based on a flow battery.
Background
The household energy storage system is an important way for realizing 'rural vibration' and 'carbon neutralization and carbon peak reaching'. The existing household energy storage systems in the society at present comprise two types, one type is a hybrid household photovoltaic and energy storage system, and the hybrid photovoltaic and energy storage system generally comprises a photovoltaic module, a lithium battery, a hybrid inverter, a smart electric meter, a CT (computed tomography), a power grid, a grid-connected load and an off-grid load. The system can realize that the photovoltaic can directly charge the battery through DC-DC conversion, and can also realize bidirectional DC-AC conversion for charging and discharging the battery; working logic: bai Tianguang volt power generation firstly supplies a load and secondly charges a battery; the battery is discharged to supply the load at night, and when the battery is insufficient, the load is supplied by the firewood. The other type is a coupling type household photovoltaic and energy storage system, which is also called an alternating current modified photovoltaic and energy storage system, and the system generally comprises a photovoltaic module, a grid-connected inverter, a lithium battery, an alternating current coupling type energy storage inverter, a smart electric meter, a CT (computed tomography), a power grid, a grid-connected load and an off-grid load. The system can realize that after the photovoltaic is converted into alternating current through the grid-connected inverter, the alternating current coupling type energy storage inverter converts the redundant electric quantity into direct current and stores the direct current in the battery; working logic: bai Tianguang V power generation firstly supplies load, secondly charges a battery, and finally the redundant electric quantity can be connected in a grid; the battery discharges at night to supply load, and the shortage is complemented by the power grid; when the power grid fails, the lithium battery only supplies power to the off-grid load, and the grid-connected end load cannot be used. In addition, the system also supports the user to set the charging and discharging time by himself so as to meet the electricity demand of the user.
In the process of the technical scheme of the household energy storage system, the inventor discovers that the prior art at least has the following technical problems:
1. the lithium batteries are poor in safety and have the risk of attack and explosion;
2. the lithium battery of the lithium cobaltate material can not discharge electricity by electricity greatly, ping Anxing is poor;
3. the lithium battery needs to protect the circuit to prevent the battery from being overcharged and overdischarged.
To this end, we propose a flow battery-based household energy storage system to solve the above-mentioned problems.
Disclosure of Invention
The utility model mainly aims to provide a household energy storage system based on a flow battery, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the household energy storage system based on the flow battery comprises a photovoltaic panel, an all-vanadium flow battery pack, an off-grid light storage integrated converter, a power grid and a load, wherein the off-grid light storage integrated converter is connected with the photovoltaic panel, the all-vanadium flow battery pack, the power grid and the load respectively; the photovoltaic panel is used for converting solar energy into direct current, and the off-grid light storage integrated converter is used for converting the direct current into alternating current; the all-vanadium redox flow battery is used for storing photovoltaic energy and commercial power at valley electricity time, redundant alternating current is the alternating current remained after the load is used, the alternating current is firstly used by the load, redundant electric energy is stored in the all-vanadium redox flow energy storage system, and redundant electric energy is stored in a power grid.
Preferably, the all-vanadium redox flow battery pack comprises a plurality of all-vanadium redox flow batteries, wherein each all-vanadium redox flow battery comprises a liquid storage tank, a galvanic pile, a pipeline and a pump, and the liquid storage tanks, the pump and the galvanic pile are sequentially connected through the pipeline; the liquid storage tank is used for storing sulfuric acid electrolyte of vanadium ions in different valence states; the pump is used for providing mechanical power for the flow of the sulfuric acid electrolyte; the galvanic pile is used for converting chemical energy in the sulfuric acid electrolyte into electric energy.
Preferably, the liquid storage tank comprises an anode liquid storage tank and a cathode liquid storage tank; the galvanic pile comprises an ionic membrane, a positive electrode and a negative electrode.
Preferably, the power supply mode of the household energy storage system comprises photovoltaic power supply, power grid power supply and battery power supply; the photovoltaic power supply is used for supplying power to a load through a photovoltaic panel based on illumination conditions; the power grid supplies power, and loads are supplied with power through the power grid based on no-illumination conditions; and the battery is used for supplying power to the load based on the no-illumination condition and when the power grid fails, and the all-vanadium redox flow battery pack is used for supplying power to the load.
Preferably, the household energy storage system is expanded into a MW-level all-vanadium redox flow battery energy storage system through an all-vanadium redox flow battery pack.
Preferably, the off-grid light and storage integrated converter is connected with an energy management module, and the energy management module is used for managing the flow of energy in the system.
Preferably, the energy management module comprises an electric control cabinet and a touch screen; the electric control cabinet is used for controlling the switches and the contactors of a plurality of devices, and the plurality of devices comprise a photovoltaic panel, an all-vanadium redox flow battery pack and a power grid; and the touch screen is used for viewing the state information of the plurality of devices in real time.
Preferably, the household energy storage system is connected with a distributed intelligent energy management cloud platform; the distributed intelligent energy management cloud platform is used for managing multiple energy clouds, and the multiple energy clouds comprise energy storage clouds, agricultural power clouds, fishery power clouds, animal husbandry power clouds and light Fu Yun.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model provides a household hybrid energy storage system, which converts solar energy into direct current through a photovoltaic panel; converting direct current into alternating current through a parallel-off-grid light storage integrated converter; the full vanadium redox flow battery is used for storing photovoltaic residual electric energy and mains electricity valley time electric energy.
The utility model can solve the problem of energy storage of the lithium battery, can realize the mode of 'self-power consumption and surplus electricity surfing', the electricity quantity generated by the photovoltaic system is supplied to the load of a user, the surplus electricity is stored in the energy storage system, and then the surplus electricity is connected to the power grid, and the power is transmitted to the power grid, so that the utility model has better economic benefit than full surfing; meanwhile, when the power grid fails and the photovoltaic does not generate electricity or does not generate electricity enough, the important load is supplied with power in an emergency mode through the all-vanadium redox flow battery pack. The intelligent photovoltaic energy storage system can finish intelligent selection of photovoltaic energy storage and commercial power, does not need user participation, provides the most optimized economic index for users, and is convenient for the users to the greatest extent.
Drawings
FIG. 1 is a schematic diagram of a system in an embodiment of the utility model;
FIG. 2 is a schematic diagram of a flow battery in an embodiment of the utility model;
FIG. 3 is a schematic diagram of an energy management system in an embodiment of the present utility model;
fig. 4 is a schematic diagram of energy cloud management according to an embodiment of the present utility model.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Examples
Aiming at the problems in the prior art, as shown in fig. 1-4, the utility model provides a household hybrid energy storage system, which comprises a photovoltaic panel, an all-vanadium redox flow battery, an off-grid light storage integrated converter, a power grid and a load, wherein the off-grid light storage integrated converter is respectively connected with the photovoltaic panel, the all-vanadium redox flow battery, the power grid and the load;
the photovoltaic panel is used for converting solar energy into direct current, and the off-grid light storage integrated converter is used for converting the direct current into alternating current.
The all-vanadium redox flow battery is used for storing photovoltaic energy and commercial power at valley time, and the redundant alternating current is the residual alternating current after load use;
the load is used for using alternating current.
The all-vanadium redox flow battery is used for storing photovoltaic energy and commercial power at valley time, and the redundant alternating current is the alternating current remained after the load is used.
In this embodiment, still include the collection flow box, turn into the electric energy with solar energy through the photovoltaic board, the photovoltaic board is through collection flow box access and off-grid light stores integrative converter, through off-grid light stores integrative converter and turns into the alternating current with direct current, the alternating current is the confession load earlier and uses, and unnecessary electric energy stores to full vanadium liquid stream energy storage system, and unnecessary electric energy stores to the electric wire netting again.
In some embodiments, the all-vanadium redox flow battery comprises a plurality of all-vanadium redox flow batteries, wherein the all-vanadium redox flow batteries comprise a liquid storage tank, a galvanic pile, a pipeline and a pump; the liquid storage tank, the pump and the electric pile are sequentially connected through pipelines; the liquid storage tank is used for storing sulfuric acid electrolyte of vanadium ions in different valence states; the pump is used for providing mechanical power for the flow of the sulfuric acid electrolyte; the galvanic pile is used for converting chemical energy in the sulfuric acid electrolyte into electric energy.
In this embodiment, as shown in fig. 2, the all-vanadium redox flow battery is a redox battery in which vanadium is used as an active material and is in a circulating flowing liquid state. The working principle of the all-vanadium redox flow battery is as follows: the electric energy of the vanadium battery is stored in sulfuric acid electrolyte of vanadium ions in different valence states in a chemical energy mode, the electrolyte is hydraulically pressed into the battery stack body through an external pump, the electrolyte circularly flows in closed loops of different liquid storage tanks and half batteries under the action of mechanical power, a proton exchange membrane is adopted as a diaphragm of the battery pack, the electrolyte solution flows through the electrode surfaces in parallel and generates electrochemical reaction, and electric current is collected and conducted through double electrode plates, so that the chemical energy stored in the solution is converted into electric energy.
In this embodiment, the advantage of the all-vanadium redox flow battery:
1. the all-vanadium redox flow battery has higher safety due to the water-based energy storage medium; the battery works at normal temperature and normal pressure, potential explosion or ignition risks are avoided, and electrolyte can be easily stopped flowing when faults occur, so that the internal reaction of the battery is stopped;
2. the method has obvious advantages in key performance indexes such as cycle time service life, full life cycle electricity cost, extremely low self-discharge rate guaranteed by independent design, environment friendliness, sustainable development, resource recoverability and the like;
3. in the large-scale fixed energy storage occasion with the output power of several kilowatts to hundreds of megawatts and the energy storage capacity of more than several hours, the energy storage device has obvious advantages and is one of the preferred technologies of the large-scale high-efficiency energy storage technology;
4. the maintenance and recovery cost is low: separately recycling the parts to be maintained; the electrolyte is easy to recycle and can be recycled infinitely after simple treatment.
In some embodiments, the reservoir comprises a positive reservoir and a negative reservoir, the pump comprises two pumps, and the stack comprises an ionic membrane, a positive electrode and a negative electrode.
In some embodiments, the power supply mode of the household hybrid energy storage system comprises photovoltaic power supply, power grid power supply and battery power supply; the photovoltaic power supply is used for supplying power to a load through a photovoltaic panel based on illumination conditions; the power grid supplies power, and loads are supplied with power through the power grid based on no-illumination conditions; and the battery is used for supplying power to the load based on the no-illumination condition and when the power grid fails, and the all-vanadium redox flow battery pack is used for supplying power to the load.
In the embodiment, when the illumination condition is relatively good and the all-vanadium redox flow battery pack is full, the load can be powered by the photovoltaic; when no illumination exists or the illumination condition is poor, the power grid supplies power to the load; when the illumination condition is poor and the power grid fails, the vanadium battery can be used as an emergency power supply to provide power for the load. When the photovoltaic energy is excessive, grid-connected power generation can be realized.
In the embodiment, the electric quantity generated by the photovoltaic system is supplied to the load of a user, the redundant electric energy is stored in the energy storage system and then is connected to the power grid, and the electric energy is transmitted to the power grid, so that the full-scale internet surfing economic benefit is better than that of the full-scale internet surfing economic benefit; when the power grid is in power failure and the photovoltaic does not generate electricity or does not generate electricity enough, the all-vanadium redox flow battery pack supplies power for important loads in an emergency mode. The hybrid energy storage system can finish intelligent selection of photovoltaic, energy storage and commercial power, user participation is not needed, the design provides the most optimized economic index for users, and the users are facilitated to the greatest extent.
In some embodiments, the hybrid energy storage system expands to a MW-grade all-vanadium flow battery energy storage system based on an all-vanadium flow battery.
In the embodiment, the all-vanadium redox flow battery pack container energy storage system is adopted, the all-vanadium redox flow battery is used as an energy storage element, the combined capacity expansion is adopted as a MW-level all-vanadium redox flow battery energy storage system, and the system has the characteristics of portability, capacity expansion, long service life, high safety and the like, is suitable for large industrial users, and is used for independent power supply and high in power quality.
In some embodiments, the off-grid optical storage integrated converter is connected with an energy management module, and the energy management module is used for managing the flow of energy in the system.
In some embodiments, the energy management module comprises an electric control cabinet and a touch screen; the electric control cabinet is used for controlling the switches and the contactors of a plurality of devices, and the plurality of devices comprise a photovoltaic panel, an all-vanadium redox flow battery pack and a power grid; the touch screen is used for viewing state information of a plurality of devices in real time.
In this embodiment, as shown in fig. 3, the system is provided with an electric control cabinet, so as to implement energy scheduling and management and realize unmanned management. The PLC controls the switch and the contactor among the devices, and integrates the functions of a photovoltaic controller, an inverter, a BMS system, power distribution, control and the like.
The specific functions are as follows:
1. the function of supplying power to a load by the all-vanadium redox flow battery is realized;
2. the photovoltaic power supply function for the load and the charging function for the all-vanadium redox flow battery are realized;
3. the battery management system has the functions of BMS (vanadium battery management system), is mainly used for monitoring, protecting and controlling the working state of the vanadium battery, is beneficial to improving the utilization rate of the battery, prevents the battery from being overcharged and overdischarged, and prolongs the service life of the battery;
4. the electric control cabinet provides a power source for the system through a standby battery of the electric control cabinet, so that the problem of no commercial power on site is solved;
5. the circuit breakers are arranged for loads, and one-to-one power supply control is realized.
In this embodiment, the touch screen displays each measurement data, so as to implement energy scheduling and management, and has a good man-machine interaction interface.
The touch screen has the following functions:
1. the voltage and the photovoltaic power of the photovoltaic can be checked in real time;
2. the voltage and the SOC of the battery can be checked in real time;
3. the input voltage and the frequency of the power grid can be checked in real time;
4. the output voltage and the output frequency of the power grid can be checked in real time.
In some embodiments, the system further comprises a distributed smart energy management cloud platform, wherein the distributed smart energy management cloud platform is connected with the hybrid energy storage system; the distributed intelligent energy management cloud platform is used for managing various energy clouds; the multiple energy clouds comprise energy storage clouds, agricultural power clouds, fishery power clouds, animal husbandry power clouds and light Fu Yun.
In this embodiment, as shown in fig. 4, the distributed intelligent energy management cloud platform has the following functions: monitoring states of various devices of the system in real time; scheduling energy in real time; a real-time trend monitoring function; a comprehensive alarm function; a history data management function; report display function; a history data query function; historical trend graph.
The technical effects of this embodiment are:
the utility model provides a household hybrid energy storage system, which converts solar energy into direct current through a photovoltaic panel; converting direct current into alternating current through a parallel-off-grid light storage integrated converter; storing the residual alternating current after the load is used by the all-vanadium redox flow battery; and storing balance alternating current through a power grid, wherein the balance alternating current is the residual alternating current after the storage of the all-vanadium redox flow battery.
The utility model can solve the problem of energy storage of the lithium battery, can realize the mode of 'self-power-consumption and surplus electricity surfing', the electric quantity generated by the photovoltaic system is supplied to the load of a user, the surplus electric energy is stored in the energy storage system, the surplus electric energy is connected to the power grid, the electric energy is transmitted to the power grid, the economic benefit is better than full surfing, and when the power grid has power failure, the photovoltaic does not generate electricity or does not generate electricity enough, the important load is supplied with emergency electricity through the battery. The intelligent photovoltaic energy storage system can finish intelligent selection of photovoltaic energy storage and commercial power, does not need user participation, provides the most optimized economic index for users, and is convenient for the users to the greatest extent.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The household energy storage system based on the flow battery is characterized by comprising a photovoltaic panel, an all-vanadium flow battery pack, an off-grid light storage integrated converter, a power grid and a load, wherein the off-grid light storage integrated converter is respectively connected with the photovoltaic panel, the all-vanadium flow battery pack, the power grid and the load;
the photovoltaic panel is used for converting solar energy into direct current, and the off-grid light storage integrated converter is used for converting the direct current into alternating current;
the all-vanadium redox flow battery is used for storing photovoltaic energy and commercial power at valley time, and the redundant alternating current is the residual alternating current after load use;
the load is used for using alternating current.
2. The flow battery-based household energy storage system of claim 1, wherein: the all-vanadium redox flow battery comprises a plurality of all-vanadium redox flow batteries, wherein each all-vanadium redox flow battery comprises a liquid storage tank, a galvanic pile, a pipeline and a pump, and the liquid storage tanks, the pump and the galvanic pile are sequentially connected through the pipeline;
the liquid storage tank is used for storing sulfuric acid electrolyte of vanadium ions in different valence states;
the pump is used for providing mechanical power for the flow of the sulfuric acid electrolyte;
the galvanic pile is used for converting chemical energy in the sulfuric acid electrolyte into electric energy.
3. The flow battery-based household energy storage system of claim 2, wherein: the liquid storage tank comprises an anode liquid storage tank and a cathode liquid storage tank; the galvanic pile comprises an ionic membrane, a positive electrode and a negative electrode.
4. A flow battery-based household energy storage system as in claim 3, wherein: the power supply mode of the household energy storage system comprises photovoltaic power supply, power grid power supply and battery power supply;
the photovoltaic power supply is used for supplying power to a load through a photovoltaic panel based on illumination conditions;
the power grid supplies power, and loads are supplied with power through the power grid based on no-illumination conditions;
and the battery is used for supplying power to the load based on the no-illumination condition and when the power grid fails, and the all-vanadium redox flow battery pack is used for supplying power to the load.
5. The flow battery-based household energy storage system of claim 4, wherein: the household energy storage system is expanded into a MW-level all-vanadium redox flow battery energy storage system through the all-vanadium redox flow battery pack.
6. The flow battery-based household energy storage system of claim 5, wherein: the off-grid light storage integrated converter is connected with an energy management module, and the energy management module is used for managing the flow of energy in the system.
7. The flow battery-based household energy storage system of claim 6, wherein: the energy management module comprises an electric control cabinet and a touch screen;
the electric control cabinet is used for controlling the switches and the contactors of a plurality of devices, and the plurality of devices comprise a photovoltaic panel, an all-vanadium redox flow battery pack and a power grid;
and the touch screen is used for viewing the state information of the plurality of devices in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321773820.5U CN220754364U (en) | 2023-07-06 | 2023-07-06 | Household energy storage system based on flow battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321773820.5U CN220754364U (en) | 2023-07-06 | 2023-07-06 | Household energy storage system based on flow battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220754364U true CN220754364U (en) | 2024-04-09 |
Family
ID=90570909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321773820.5U Active CN220754364U (en) | 2023-07-06 | 2023-07-06 | Household energy storage system based on flow battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220754364U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116742677A (en) * | 2023-07-06 | 2023-09-12 | 合肥哈工储能科技有限公司 | A household energy storage system based on flow batteries |
| CN118971084A (en) * | 2024-07-30 | 2024-11-15 | 重庆大学 | A wind-solar-salt-cavern liquid flow battery energy storage system and operation method thereof |
-
2023
- 2023-07-06 CN CN202321773820.5U patent/CN220754364U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116742677A (en) * | 2023-07-06 | 2023-09-12 | 合肥哈工储能科技有限公司 | A household energy storage system based on flow batteries |
| CN118971084A (en) * | 2024-07-30 | 2024-11-15 | 重庆大学 | A wind-solar-salt-cavern liquid flow battery energy storage system and operation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103606943B (en) | A kind of microgrid Ni-MH battery energy storage system | |
| CN110912197B (en) | A modular household optical storage system with automatic energy scheduling and control method | |
| CN115441517B (en) | Novel data center power supply and distribution system and control method thereof | |
| CN106450528A (en) | Energy storage system and method and device for controlling power balance of energy storage system | |
| CN202712873U (en) | Intelligent household solar control inverter | |
| CN207234421U (en) | distributed photovoltaic off-grid power supply system | |
| CN111181185A (en) | Direct-current micro-grid system applying fuel cell and control method | |
| CN117458556A (en) | New energy microgrid power station operation system and method | |
| CN211018374U (en) | An automatic energy storage charging system based on the co-power supply of mains and hydrogen fuel cells | |
| CN110994681A (en) | Energy storage control system for realizing photovoltaic consumption and photovoltaic consumption method | |
| CN115352311A (en) | Energy management method for optical storage charging and discharging battery changing system | |
| CN202712876U (en) | Solar photovoltaic microgrid grid-connected power generation system | |
| CN111371165A (en) | Light storage and charging integrated machine and system suitable for flow battery | |
| CN109599935A (en) | Light hydrogen energy-storage power supplying apparatus and its method of supplying power to | |
| CN219739974U (en) | Photovoltaic energy storage grid-connected operation system | |
| CN112510768A (en) | Power supply system | |
| CN209545169U (en) | One kind storing up the self-powered storehouse formula energy-storage system of complementary micro-capacitance sensor based on light | |
| CN207475204U (en) | A kind of energy-storage system available for photovoltaic generation | |
| CN213959823U (en) | Uninterrupted aluminum fuel power supply system based on aluminum-air battery | |
| CN211018289U (en) | Store up contrary all-in-one and store up integrated system including its light | |
| CN212148515U (en) | System for set up liquid stream electric fuel charging station in nuclear power plant | |
| CN219018483U (en) | Solar energy storage system of intelligent scheduling BMS | |
| CN116742677A (en) | A household energy storage system based on flow batteries | |
| CN218102598U (en) | A time-division multiplexing peak-shaving and frequency-regulating power station based on hybrid energy storage | |
| CN217362585U (en) | Light energy storage energy management system based on lithium titanate battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |