CN117497818A - Flow battery energy storage system - Google Patents

Flow battery energy storage system Download PDF

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Publication number
CN117497818A
CN117497818A CN202311545412.9A CN202311545412A CN117497818A CN 117497818 A CN117497818 A CN 117497818A CN 202311545412 A CN202311545412 A CN 202311545412A CN 117497818 A CN117497818 A CN 117497818A
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CN
China
Prior art keywords
converter
stacks
energy storage
fluid process
positive
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.)
Pending
Application number
CN202311545412.9A
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Chinese (zh)
Inventor
马志啟
陈满
徐艳
万民惠
王炳富
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Energy Storage Research Institute Of China Southern Power Grid Peak Regulation And Frequency Regulation Power Generation Co ltd
Shanghai Langxiong Energy Technology Co ltd
Original Assignee
Energy Storage Research Institute Of China Southern Power Grid Peak Regulation And Frequency Regulation Power Generation Co ltd
Shanghai Langxiong Energy Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Energy Storage Research Institute Of China Southern Power Grid Peak Regulation And Frequency Regulation Power Generation Co ltd, Shanghai Langxiong Energy Technology Co ltd filed Critical Energy Storage Research Institute Of China Southern Power Grid Peak Regulation And Frequency Regulation Power Generation Co ltd
Priority to CN202311545412.9A priority Critical patent/CN117497818A/en
Publication of CN117497818A publication Critical patent/CN117497818A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/249—Grouping of fuel cells, e.g. stacking of fuel cells comprising two or more groupings of fuel cells, e.g. modular assemblies
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04276—Arrangements for managing the electrolyte stream, e.g. heat exchange
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/18—Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells
    • H01M8/184—Regeneration by electrochemical means
    • H01M8/188—Regeneration by electrochemical means by recharging of redox couples containing fluids; Redox flow type batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2455—Grouping of fuel cells, e.g. stacking of fuel cells with liquid, solid or electrolyte-charged reactants
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2465—Details of groupings of fuel cells
    • 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
    • H02J1/00—Circuit arrangements for dc mains or dc distribution networks
    • 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
    • H02J1/00—Circuit arrangements for dc mains or dc distribution networks
    • H02J1/10—Parallel operation of dc sources
    • 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
    • H02J1/00—Circuit arrangements for dc mains or dc distribution networks
    • H02J1/10—Parallel operation of dc sources
    • H02J1/12—Parallel operation of dc generators with converters, e.g. with mercury-arc rectifier
    • 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
    • H02J15/00—Systems for storing electric energy
    • 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
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/30—The power source being a fuel cell
    • 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
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Fuel Cell (AREA)

Abstract

The invention discloses a flow battery energy storage system, which comprises a plurality of groups of fluid process systems, wherein an anode electrolyte storage tank and a cathode electrolyte storage tank of each group of fluid process systems are respectively connected with an anode current equalizer and a cathode current equalizer through an anode electrolyte conveying pump and a cathode electrolyte conveying pump, the anode current equalizer and the cathode current equalizer respectively supply liquid to the anode and the cathode of all battery stacks in the group at the same time, and an anode liquid supply outlet and a cathode liquid supply outlet of each battery stack are respectively converged and refluxed to the anode electrolyte storage tank and the cathode electrolyte storage tank through another anode current equalizer and a cathode electrolyte storage tank; the corresponding series of cell stacks between each group of fluid process systems are connected in series to form a series of cell stacks, and each series of cell stacks is externally connected with a set of converter equipment. The invention increases the flow equalizer or the multi-stage distribution pipeline of the cell stack to realize uniform distribution of fluid and reduce flow difference; meanwhile, advanced converter equipment is adopted, and the problems of system energy loss, reliability and low stability caused by a conventional battery stack and a DC/DC and/or AC/DC current loop are solved.

Description

Flow battery energy storage system
Technical Field
The invention relates to the field of flow batteries, in particular to a flow battery energy storage system.
Background
Flow batteries are a new type of electrochemical energy storage system that achieve charging and discharging by utilizing redox reactions between active ions contained in a positive electrolyte and active ions contained in a negative electrolyte. For large-scale energy storage systems, the output power of a single cell stack is far from meeting the system output requirements. The output power of the energy storage system is generally improved through the serial connection or parallel connection of a plurality of battery stacks, and the requirement of the output power of the large-scale energy storage system is met.
In the related art, in order to ensure the consistency of charge and discharge of all the battery stacks, all the battery stacks are connected in parallel on a liquid path pipeline, so that parameters such as the charge state of electrolyte of each battery stack are the same. However, the existing liquid path connection mode does not consider the problems of uniform enough fluid distribution among the electric stacks, high and low limits of series voltage of the electric stacks, difficulty in guaranteeing the consistency of the electric stacks, and possible problem of series current limitation, or the liquid path conduction network still can be formed by the liquid path pipeline systems under different electric stacks when the electric stacks are identical in series current in the charging and discharging processes, so that the liquid path bypass current among the electric stacks is caused, and energy loss is caused.
Disclosure of Invention
The invention aims at: the energy storage system of the flow battery is provided, the problem of high-efficiency integration of the energy storage system of the flow battery is solved, bypass current is eliminated, and meanwhile, a battery stack in the system is integrally installed and runs consistently; meanwhile, advanced converter equipment is adopted, and the problems of system energy loss, reliability and low stability caused by a conventional DC/DC or AC/DC current loop are solved.
The technical scheme of the invention is as follows:
a flow battery energy storage system comprising a plurality of sets of fluid process systems, each set of fluid process systems comprising: a plurality of battery stacks, an anode electrolyte storage tank, a cathode electrolyte pump, a pair of anode and cathode flow equalizers;
the positive and negative electrolyte storage tanks are respectively connected with a positive and negative current equalizer through positive and negative electrolyte conveying pumps, the positive and negative current equalizer respectively supplies liquid to the positive and negative electrodes of all the battery stacks in the group at the same time, and positive and negative electrolyte outlets of all the battery stacks are respectively converged and refluxed to the positive and negative electrolyte storage tanks through the other positive and negative current equalizer;
the number of the cell stacks in each group of fluid process systems is the same, and the cell stacks in the corresponding sequence among each group of fluid process systems are connected in series to form a series of cell stacks, and each series of cell stacks is externally connected with one set of converter equipment.
Preferably, in the fluid process system, if the anode or the cathode of the flow battery is in a solid state, the electrolyte storage tank, the electrolyte delivery pump, the pipeline and the flow equalizer in the fluid process system are only on one side.
Preferably, in the fluid process system, the number of the fluid process systems is represented by N, the serial number of the fluid process systems is represented by i, and i is more than or equal to 1 and less than or equal to N; the positive and negative electrolytes are independent from each other between each group of fluid process systems.
Preferably, in the fluid process system, the stacks in each group of process systems are respectively installed in a module according to each K modules to form an energy storage power module, wherein k=1, 2 n N is a positive integer, the serial number of the cell stack in the power module is represented by K, and K is more than or equal to 1 and less than or equal to K; the total number of power modules is denoted by M, m=1, 2 n The serial number of the power module is represented by j, and j is more than or equal to 1 and less than or equal to M.
Preferably, the modules of the fluid process system are frames or containers, and are constructed in a building block stacking mode during engineering construction, so that the construction efficiency of the energy storage power station is improved.
Preferably, the converter device adopts a bidirectional high-frequency isolation DC/DC converter, each string of battery stacks is connected into a direct current bus through the bidirectional high-frequency isolation DC/DC converter, and then the battery stacks and other direct current devices are integrated together to realize electric quantity storage or release.
Preferably, the converter device adopts a bidirectional high-frequency isolation DC/DC converter and an AC/DC converter, and each string of battery stacks is connected to an alternating current bus or an alternating current bus through the bidirectional high-frequency isolation DC/DC converter and the AC/DC converter which are sequentially connected.
Preferably, the converter device adopts a bidirectional high-frequency isolation AC/DC converter, and each string of battery stacks is connected to an alternating current bus or an alternating current bus through the bidirectional high-frequency isolation AC/DC converter.
Preferably, the converter device adopts a bidirectional AC/DC converter and an isolation transformer, and each string of battery stacks is connected to an alternating current bus or a transformer interval through the bidirectional AC/DC converter and the isolation transformer which are connected in sequence, so that the electricity storage or release effect is realized.
Preferably, the converter device adopts an AC/DC converter and a phase-shifting transformer, each string of cell stacks is connected to the AC/DC converter, and all the AC/DC converters are connected to a high-voltage bus or a transformer interval through the same phase-shifting transformer to be connected to a power grid.
The invention has the advantages that:
1. according to the flow battery energy storage system, a current equalizer or a multi-stage distribution pipeline of a battery stack is added to realize uniform distribution of fluid and reduce flow difference;
2. the galvanic pile of the invention is connected in series and then connected into a DC/DC or AC/DC converter so as to avoid bypass current;
3. the invention adopts the PCS of the energy storage converter to limit the power, adopts the primary conversion, the isolation transformer to boost or adopts the AC confluence after the isolation transformer to reduce the energy loss by adopting the DC/DC with high frequency isolation and the AC/DC with high frequency isolation, and improves the reliability and the stability.
4. According to the invention, by limiting the series voltage of the electric pile, the system is prevented from having insufficient insulating property and being easy to generate electric leakage fault;
5. the invention adopts the combined current transformation technology of the AC/DC and the phase-shifting transformer, the output voltage level can be higher than 35kV, and the high-voltage direct connection is realized;
6. the power of each cell stack can be within 150kW, and the system integration of the high-power cell stack is realized.
Drawings
The invention is further described below with reference to the accompanying drawings and examples:
FIG. 1 is a topology of a flow battery energy storage system of the present invention;
FIG. 2 is a topology of a stack string connected to a DC bus through a bi-directional high frequency isolation DC/DC converter;
FIG. 3 is a topology of a stack string connected to an AC bus or AC buss output to a power grid through a bi-directional high frequency isolation DC/DC converter, an AC/DC converter;
FIG. 4 is a topology of a stack string connected to an AC bus or AC buss output through a bi-directional high frequency isolation AC/DC converter to a power grid;
FIG. 5 is a topology of a stack string connected to an AC bus or transformer space through a bi-directional AC/DC converter, isolation transformer;
fig. 6 is a topology of a stack string connected to a high voltage bus or transformer space through an AC/DC converter, a phase shifting transformer, and a grid.
Description of the embodiments
Example 1
As shown in fig. 1, the flow battery energy storage system of the present invention comprises a plurality of sets of fluid process systems, each set of fluid process systems comprising: a plurality of battery stacks, an anode electrolyte storage tank, a cathode electrolyte pump, a pair of anode and cathode flow equalizers; the positive electrode electrolyte storage tank and the negative electrode electrolyte storage tank are respectively communicated with a positive electrode current equalizer and a negative electrode current equalizer through a positive electrode electrolyte conveying pump and a negative electrode electrolyte conveying pump, the positive electrode current equalizer and the negative electrode current equalizer respectively supply liquid to the positive electrode and the negative electrode of all the battery stacks in the group, and positive electrode electrolyte outlets and negative electrode electrolyte outlets of all the battery stacks respectively collect and flow back to the positive electrode electrolyte storage tank and the negative electrode electrolyte storage tank through the other positive electrode current equalizer and the negative electrode current equalizer so as to ensure that the positive electrode electrolyte flow and the negative electrode electrolyte flow of all the battery stacks in each process system are the same.
In the fluid process system, the number of the fluid process systems is represented by N, the serial number of the fluid process systems is represented by i, and i is more than or equal to 1 and less than or equal to N; the positive and negative electrolytes are independent from each other between each group of fluid process systems.
The stacks in each group of process systems are respectively arranged in a container size frame or a container according to K (only one frame or container can be used when the number of stacks is not more than K) to form an energy storage power module, and K is an even number (except 1), namely K=1, 2 n The serial number of the internal cell stack is expressed as K, and K is more than or equal to 1 and less than or equal to K. Thus, construction is convenient according to a building block type stacking mode during engineering construction, and the construction efficiency of the energy storage power station is improved. The total number of frames or containers is denoted by M, the total number of frames or containers M being an even number (except for 1), i.e. m=1, 2 n N is less than or equal to 4, the serial number of the frame or the container is expressed by j, and j is more than or equal to 1 and less than or equal to M.
The stacks of corresponding serial numbers between each set of fluid process systems are serially connected together to form 1 series of stacks, each series of stacks corresponding to 1 or 1 set of converter devices, high frequency isolated DC/DC and conventional AC/DC, high frequency isolated AC/DC, etc., such as the kth stack of the jth frame or container of the first set of fluid process systems being serially connected … with the kth stack of the jth frame or container of the second set of fluid process systems, and serially connected … with the kth stack of the jth frame or container of the ith set of fluid process systems until serially connected with the kth stack of the jth frame or container of the last set of fluid process systems.
In the fluid process system, if the anode or the cathode of the flow battery is in a solid state, an electrolyte storage tank, an electrolyte delivery pump, a pipeline and a flow equalizer in the fluid process system are arranged on one side.
Example 2
As shown in fig. 2, when the total voltage of each string of cell stacks is lower, generally less than 550V, each string of cell stacks can be connected to a high-frequency isolation DC/DC bidirectional converter or a voltage converter, the voltage of the low-voltage side cell stack string is raised to be more than 550V, and then a 400V direct current bus can be connected, and then the cell stacks and other direct current devices, such as photovoltaic power generation devices, can be integrated together to realize the function of storing or releasing the electric quantity of photovoltaic power generation or other power generation.
Example 3
As shown in fig. 3, the converter device adopts a bidirectional high-frequency isolation DC/DC converter and an AC/DC converter, and each string of cell stacks is connected to a 400V AC bus or AC bus output through the bidirectional high-frequency isolation DC/DC converter and the AC/DC converter which are sequentially connected.
Example 4
As shown in fig. 4, the converter device adopts a bidirectional high-frequency isolation AC/DC converter, and each string of cell stacks is connected to a 400V-10 kV alternating current bus or an alternating current bus output through the bidirectional high-frequency isolation AC/DC converter and connected to a power grid.
Example 5
As shown in fig. 5, when the total voltage of each string of cell stacks is not lower than 500V, each string of cell stacks can be connected to a conventional AC/DC bidirectional converter, the direct current of the cell stack strings is converted to three-phase alternating current, then each path of AC/DC can be respectively connected to an isolation transformer, then the isolation transformer can be connected to a 10 kV-35 kV alternating current bus or transformer interval, and the flow battery energy storage system can realize the function of electric quantity storage or release under certain control logic.
Example 6
As shown in fig. 6, the converter device adopts an AC/DC converter and a phase-shifting transformer, each string of cell stacks is connected to the AC/DC converter, and all the outputs of the AC/DC converters are connected to a high-voltage bus with the voltage of more than 35kV or a transformer interval through the same phase-shifting transformer to be connected to a power grid.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement the same according to the content of the present invention, and are not intended to limit the scope of the present invention. All modifications made according to the spirit of the main technical proposal of the invention should be covered in the protection scope of the invention.

Claims (10)

1. The flow battery energy storage system is characterized by comprising a plurality of groups of fluid process systems, wherein each group of fluid process systems comprises: a plurality of battery stacks, an anode electrolyte storage tank, a cathode electrolyte pump, a pair of anode and cathode flow equalizers;
the positive and negative electrolyte storage tanks are respectively connected with a positive and negative current equalizer through positive and negative electrolyte conveying pumps, the positive and negative current equalizer respectively supplies liquid to the positive and negative electrodes of all the battery stacks in the group at the same time, and positive and negative electrolyte outlets of all the battery stacks are respectively converged and refluxed to the positive and negative electrolyte storage tanks through the other positive and negative current equalizer;
the number of the cell stacks in each group of fluid process systems is the same, and the cell stacks in the corresponding sequence among each group of fluid process systems are connected in series to form a series of cell stacks, and each series of cell stacks is externally connected with one set of converter equipment.
2. The flow battery energy storage system of claim 1, wherein in the fluid process system, if the positive or negative electrode of the flow battery is in a solid state, the electrolyte storage tank, the electrolyte transfer pump, the piping, and the flow equalizer in the fluid process system are on only one side.
3. The flow battery energy storage system of claim 1, wherein in the fluid process system, the number of the fluid process systems is represented by N, the serial number of the fluid process systems is represented by i, and i is equal to or greater than 1 and equal to or less than N; the positive and negative electrolytes are independent from each other between each group of fluid process systems.
4. The energy storage system of claim 1, wherein in the fluid process system, the stacks in each set of process systems are respectively installed in a module according to each K to form an energy storage power module, where k=1, 2 n N is a positive integer, the serial number of the cell stack in the power module is represented by K, and K is more than or equal to 1 and less than or equal to K; the total number of power modules is denoted by M, m=1, 2 n The serial number of the power module is represented by j, and j is more than or equal to 1 and less than or equal to M.
5. The flow battery energy storage system of claim 4, wherein the modules of the fluid process system are constructed in a building block type stacking manner during engineering construction by adopting frames or containers, so that the construction efficiency of the energy storage power station is improved.
6. The flow battery energy storage system of claim 4, wherein the converter device adopts a bidirectional high-frequency isolation DC/DC converter, and each string of battery stacks is connected to a direct current bus through the bidirectional high-frequency isolation DC/DC converter or connected to other direct current devices to be integrated together for storing or releasing electric quantity.
7. The flow battery energy storage system of claim 4, wherein the converter device adopts a bidirectional high-frequency isolation DC/DC converter and an AC/DC converter, and each string of battery stacks is connected to an alternating current bus or an alternating current bus through the bidirectional high-frequency isolation DC/DC converter and the AC/DC converter which are sequentially connected.
8. The flow battery energy storage system of claim 4, wherein the converter device employs a bi-directional high frequency isolated AC/DC converter, each string of stacks being connected to an AC bus or AC buss output to a power grid through the bi-directional high frequency isolated AC/DC converter.
9. The energy storage system of claim 4, wherein the converter device adopts a bidirectional AC/DC converter and an isolation transformer, and each string of cell stacks is connected to an AC bus or a transformer space through the bidirectional AC/DC converter and the isolation transformer which are sequentially connected, so as to realize the function of electricity storage or release.
10. The flow battery energy storage system of claim 4, wherein the converter device employs an AC/DC converter and a phase-shifting transformer, each string of stacks is connected to the AC/DC converter, and all AC/DC converters are connected to the high voltage bus or the transformer via the same phase-shifting transformer to be connected to the power grid at intervals.
CN202311545412.9A 2023-11-17 2023-11-17 Flow battery energy storage system Pending CN117497818A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311545412.9A CN117497818A (en) 2023-11-17 2023-11-17 Flow battery energy storage system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311545412.9A CN117497818A (en) 2023-11-17 2023-11-17 Flow battery energy storage system

Publications (1)

Publication Number Publication Date
CN117497818A true CN117497818A (en) 2024-02-02

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ID=89667290

Family Applications (1)

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Country Status (1)

Country Link
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