TWI525890B - Multifunctional module of integrated flow battery - Google Patents

Description

Multifunctional integrated flow battery module

The invention relates to a multifunctional integrated flow battery module, in particular to a portable power supply system of a portable flow battery structure, in particular to a fluid exchangeable electrolyte, which is not only It saves the charging time and reduces the energy storage cost to maximize the benefits. It can also be used on electric vehicles to directly replace the electrolyte to complete the charging in a short time, thus effectively improving the charging efficiency.

The structure of the flow battery is usually two huge containers with electrolyte inside, pumped to the battery stack, a film inside the battery, two electrolytes reacting through the film to generate electricity, and when charging, reverse reaction. It has been developing for a long time, but the main disadvantage of the flow battery is that it is extremely bulky and is not suitable for use in mobile devices or automobiles. Therefore, although the development is early, there is no flowering result.

In recent years, with the development of renewable energy, energy storage demand has emerged, and the flow battery has once again returned to the focus of attention. As long as the flow battery increases the capacity of the electrolyte storage tank, it can increase the total energy storage capacity, and there is no problem of solid-liquid phase conversion. Therefore, it does not cause life problems such as dendritic crystals, and can be used almost infinitely. Therefore, many maintenance requirements are saved, safety and stability are high, and there is no fire or explosion after overcharging. Moreover, if it is used as a power storage device of the power grid and becomes a fixed facility, volume and portability are not so important, but instead It is the other characteristics of the flow battery that has become an advantage, so there are many new ventures.

At present, with the rise of the energy storage battery and electric vehicle market, the development of flow battery as a mobile power source, thereby increasing the utilization rate of electric vehicles and replacing the traditional lithium battery with high cost and doubts, is a modern storage. The development trend of the industry. In the past, the price of electric vehicles was one of the main obstacles to its development. If a liquid battery is installed on an electric vehicle, the price is only one quarter of that of the lithium battery, and the electrolyte of the two ends of the flow battery is separately stored. The opportunity for mutual leakage is small, the chance of self-discharge is small, and the safety is high, so that energy can be stored for a long time. However, although there are advantages in safety and price, current flow batteries are still used in the fixed type of substation peaking and frequency modulation and solar photovoltaic, wind power storage, if used in liquid flow battery electric vehicles can not be like lithium Like the battery, it is quickly charged by direct exchange, and the control of charging and discharging the battery stack is also manual rather than automatic. Furthermore, the voltage and current of the battery during the charging and discharging processes are DC unidirectional, and the two-way operation cannot be synchronized.

Therefore, the user-like users cannot meet the needs of the user to develop the flow battery as a mobile power source during actual use, thereby increasing the utilization rate of the electric vehicle and simultaneously performing charging and discharging functions.

The main object of the present invention is to overcome the above problems encountered in the prior art and to provide a fluid exchangeable electrolyte characteristic, which can be used not only by introducing flow and storage energy, but also by different energy storage application scenarios. Adjust the output power and energy of the battery system to save the charging time and reduce the energy storage cost to maximize the benefits. It can be integrated into a complete mobile power system (such as electric vehicle and mobile power supply) according to the application. System) or a complete fixed power system (such as power storage, flow battery charge and discharge and flow management system); when applied to electric vehicles, can directly replace the electrolyte to complete charging in a short time, in order to achieve effective improvement Charging efficiency, and can quickly change the filling through the electrolyte, so it can test and apply various kinds of liquid flow battery modules, and also through multiple sets of battery stacks, multiple sets of circulating pumps, and their circulation pipelines. Combination, which can realize the application of charge and discharge synchronization, with different operation strategies and control parameters for accurate control and safety monitoring Multi-function integrated flow battery module.

A secondary object of the present invention is to provide a temperature control system for temperature control of a whole module to a desired temperature range, which can be maintained not only at a constant temperature but also with an external ambient temperature to adjust the system temperature to suit A versatile integrated flow battery module for a variety of demanding environmental needs.

For the purpose of the above, the present invention is a multi-functional integrated flow battery module comprising: at least one battery stack, which electrochemically reacts with a negative electrolyte to generate and/or emit DC electric energy, and outputting the positive electrode electrolyte and the negative electrode electrolyte after the reaction; a positive electrode heat exchanger is connected to the battery stacks for heat exchange of the positive electrode electrolyte after the reaction; Connected to the battery stacks for heat exchange of the reacted negative electrode electrolyte; a positive electrode electrolyte tank in which the positive electrode electrolyte is stored, the positive electrode electrolyte is discharged from the first circulating pump system The positive electrolyte tank is withdrawn, and the flow rate is adjusted by a flow control unit, and then injected into the battery stacks, and electrochemical reactions are completed in the battery stacks to generate and/or discharge DC power, and the positive electrode electrolyte after the reaction enters the positive electrode heat. The exchanger keeps the positive electrode electrolyte after the reaction in an optimal working temperature range, and then returns it to the positive electrode electrolyte tank to make the positive electrode electrolyte tank and the positive electrode The exchanger and the battery stack form a positive electrolyte circulating system to complete the charging and discharging process of the battery; a negative electrolyte tank in which the negative electrolyte is stored, the negative electrode is passed through a second circulating pump system The electrolyte is withdrawn from the negative electrolyte solution tank, and after the flow rate is adjusted by the flow control unit, the battery stack is injected, and an electrochemical reaction is completed in the battery stack to generate and/or discharge DC power, and the negative electrode electrolyte after the reaction Entering the negative heat exchanger, keeping the negative electrode electrolyte after the reaction in an optimal working temperature range, and returning the negative electrode electrolyte solution to the negative electrode electrolyte tank to form the negative electrode heat exchanger and the battery stacks a circulating system of a negative electrolyte to complete the charging and discharging process of the battery; a constant temperature tank is respectively connected with the positive and negative heat exchangers and the positive and negative electrolyte tanks for controlling the positive and negative electrolytes The temperature range of these battery stacks can be maintained not only at a constant temperature, but also with the temperature of the external environment to adjust the system temperature to adapt to various harsh environments. A charge and discharge system is connected to the battery stacks for charging and discharging the battery stacks. When charging, it can be connected with mains or renewable energy, and charged by DC/AC conversion. When discharging, it is connected to any load for discharging by DC/AC conversion; and a monitoring system for automatically monitoring the flow control unit, and controlling the flow of the flow control unit, the switch of the valve body through the command, Pressure adjustment, or the frequency of the circulating pump, and multi-function control through the pressure and the frequency of the circulating pump, adjusting the flow, pressure or circulating pump frequency under different state of charge (SOC) .

In the above embodiment of the present invention, the method further includes a DC/AC converter for converting the DC power outputted by the battery stack into AC power, and then providing the monitoring system, the first circulation pump system, and the second cycle. The pump system, the flow control unit, and the thermostat are used.

In the above embodiment of the present invention, an external power source is further included to provide AC power to the monitoring system, the first circulating pump system, the second circulating pump system, and the flow as a power supply source during initial operation. The control unit and the thermostat are used.

In the above embodiment of the present invention, the flow control unit comprises a flow meter, a proportional control valve, a pressure sensor, and a frequency variator.

In the above embodiment of the present invention, a valve body is disposed on the pipeline connecting the positive and negative electrolyte tanks, and the switch is performed according to the composition and liquid level of the positive and negative electrolytes.

In the above embodiment of the present invention, when the components of the positive and negative electrolytes are the same, the valve system controls the opening time interval by setting the opening period, and when the liquid level in the positive and negative electrolyte tanks changes and is different, the system is different. The liquid level returns to the same through the opening of the valve body.

In the above embodiment of the present invention, when the components of the positive and negative electrolytes are different, the valve system is set to always off.

In the above embodiment of the invention, the valve system is coupled to a pressurizing device.

In the above embodiment of the present invention, a positive electrode mixing tube is disposed in the positive electrode electrolyte tank for injecting the reflux positive electrode electrolyte into the tube and then mixing with the positive electrode electrolyte in the tank.

In the above embodiment of the present invention, a negative electrode mixing tube is disposed in the negative electrode electrolyte tank for injecting the refluxed negative electrode electrolyte into the tube and then mixing with the negative electrode electrolyte in the tank.

In the above embodiment of the present invention, the first circulating pump system and the second circulating pump system each consist of at least one set of circulating pumps and at least one set of circulating lines.

In the above embodiment of the present invention, when the battery stacks simultaneously generate DC power or simultaneously discharge DC power, the cathode electrolyte and the anode electrolyte may select respective first circulation pump systems and the second cycle. Any circulating pump and circulation line in the pump system can be operated or can be operated at the same time.

In the above embodiment of the present invention, when one of the battery stacks generates DC power by one of the battery stacks, and the other battery stack emits DC power, the positive electrode electrolyte and the negative electrode electrolyte system will each have a first cycle. The pump system and the second circulating pump system are operated separately by two sets of circulating pumps and two sets of circulating lines.

In the above embodiment of the present invention, the positive and negative electrolyte tanks, the circulation lines, and the positions of the battery stacks are provided with a liquid leakage collection tank for collecting the leaked positive and negative electrolytes.

In the above embodiment of the present invention, an emergency stop device is further included for performing an immediate shutdown process when an emergency situation occurs.

10‧‧‧ container

11, 11a‧‧‧ battery stack

12‧‧‧ positive heat exchanger

13‧‧‧Negative heat exchanger

14‧‧‧ positive electrolyte tank

141‧‧‧ positive electrolyte

142‧‧‧First Circulating Pump System

1421, 1422‧‧ ‧Circulating pump

143‧‧‧Positive mixing tube

15‧‧‧Negative electrolyte tank

151‧‧‧Negative electrolyte

152‧‧‧Second Circulating Pump System

1521, 1522‧‧ Circulating pump

153‧‧‧Negative mixing tube

16‧‧‧ thermostatic bath

17‧‧‧Charge and discharge system

18‧‧‧DC/AC Converter

19‧‧‧Monitoring system

20‧‧‧Flow Control Unit

21‧‧‧External power supply

22‧‧‧ valve body

FIG. 1 is a schematic structural view of a multi-functional integrated flow battery module of the present invention.

Fig. 2 is a schematic view showing the fittings of the positive and negative electrolyte tanks of the present invention.

Please refer to FIG. 1 and FIG. 2, which are schematic diagrams of the structure of the multi-functional integrated flow battery module of the present invention, and the accessories of the positive and negative electrolyte tanks of the present invention. As shown in the figure: the present invention is a multifunctional integrated flow battery module comprising two battery stacks 11, 11a (or one of them), a positive heat exchanger 12, a negative heat exchanger 13, and a positive electrode. The electrolyte tank 14, a negative electrolyte tank 15, a constant temperature tank 16, a charge and discharge system 17, a DC/AC converter 18, and a monitoring system 19 are exemplified. However, it should be noted that the number of the above-mentioned battery stacks is determined in accordance with the use requirements, and is merely used as an example, and the present invention is not limited, and the visual application needs to be adjusted.

The above-mentioned battery stacks 11 and 11a are electrochemically reacted with a negative electrode electrolyte 151 to generate and/or discharge direct current electric energy, and output the reacted positive electrode electrolyte and negative electrode electrolyte.

The positive and negative heat exchangers 12 and 13 are connected to the battery stacks 11 and 11a, respectively, for exchanging heat between the positive and negative electrode electrolytes after the reaction.

The positive electrode electrolyte solution 141 is stored in the positive electrode electrolyte tank 14, and the positive electrode electrolyte solution 141 is withdrawn from the positive electrode electrolyte solution tank 14 through a circulation pump and a circulation line in the first circulation pump system 142, and is controlled by a flow rate. After adjusting the flow rate, the unit 20 injects the battery stacks 11 and 11a, and completes an electrochemical reaction in the battery stacks 11 and 11a to generate and/or discharge DC power, and the reacted positive electrode electrolyte enters the positive electrode heat exchanger 12 . The positive electrode electrolyte after the reaction is maintained in an optimal working temperature range, and then pumped back to the positive electrode electrolyte tank 14, so that the positive electrode electrolyte tank 14 and the positive electrode heat exchanger 12 and the battery stacks 11 are 11a forms a circulation system of a positive electrode electrolyte to complete the charging and discharging process of the battery. The first circulating pump system 142 is composed of at least one set of circulating pumps and at least one set of circulating pipelines. In the present embodiment, the present invention cooperates with the number of the battery stacks 11 and 11a, and is divided into two groups. The circulation pump 1421, 1422 (or one thereof) and at least one set of circulation lines constitute the first circulation pump system 142 as an example.

The negative electrode electrolyte 151 is stored in the negative electrode solution tank 15, and the negative electrode electrolyte 151 is taken out from the negative electrode electrolyte tank 15 through a circulation pump and a circulation line in a second circulation pump system 152, and the flow rate is controlled. After adjusting the flow rate, the unit 20 injects the battery stacks 11 and 11a, and completes an electrochemical reaction in the battery stacks 11 and 11a to generate and/or discharge direct current electric energy, and the reacted negative electrode electrolyte enters the negative electrode heat exchanger 13 . After the reaction, the negative electrode electrolyte is maintained in an optimal working temperature range, and then pumped back to the negative electrode electrolyte tank 15, and the negative electrode electrolyte tank 15 and the negative electrode heat exchanger 13 and the battery stacks 11 are 11a forms a circulation system of a negative electrolyte to complete the charging and discharging process of the battery. The second circulating pump system 152 is composed of at least one set of circulating pumps and at least one set of circulating pipelines. In the present embodiment, the present invention cooperates with the number of the battery stacks 11 and 11a, and is divided into two groups. The circulation pump 1521, 1522 (or one thereof) and at least one set of circulation lines constitute the second circulation pump system 152 as an example.

Therefore, in order to realize the charge and discharge synchronization function of the plurality of battery stacks of the module, the battery stack 11 and the battery stack 11a can be controlled to be simultaneously charged or simultaneously discharged through the control selection of the overall module, or a Charge another discharge. When the battery stack 11 performs the same charging or discharging function as the battery stack 11a, the circulating pump system 1412 of the positive electrode electrolyte 141, the circulating pump 1421 and the circulating pipe thereof, and the circulating pump 1422 and its circulating pipeline And the second circulating pump system 152 of the negative electrode electrolyte 151, the circulating pump 1521 and the circulating pipe thereof, the circulating pump 1522 and the circulating pipe thereof can be operated by selecting any of the circulating pumps and the circulating pipes. Alternatively, the battery stack 11 and the battery stack 11a are charged separately and the other battery is discharged. In the first circulating pump system 142 of the positive electrode electrolyte 141, the circulating pump 1421 and the circulating circuit thereof are And the circulation pump 1422 and its circulation line, and the second circulation pump system 152 of the negative electrolyte 151, the circulation pump 1521 and its circulation pipeline and the circulation pump 1522 and its circulation pipeline are divided into two groups of circulation pumps and Two sets of circulation lines run separately. Since the module can be connected with at least one set of more than one set of battery stacks according to requirements, multiple sets of circulating pipelines and circulating pumps can be integrated with the number of battery stacks, and then different combinations of charging and discharging can be synchronously operated according to requirements.

The constant temperature tank 16 is connected to the positive and negative electrode heat exchangers 12 and 13 and the positive and negative electrolyte tanks 14 and 15 respectively for controlling the positive and negative electrolytes 141 and 151 and the battery stacks 11 and 11a. The temperature range can be maintained not only at a constant temperature, but also with the temperature of the external environment to adjust the system temperature to meet various harsh environmental requirements.

The charge and discharge system 17 is connected to the battery stacks 11 and 11a for charging and discharging the battery stacks 11 and 11a. When charging, it can be connected with mains or renewable energy to charge the module in DC/AC conversion mode; when discharging, it is connected to any load for discharging by DC/AC conversion.

The monitoring system 19 is configured to automatically monitor the flow meter, proportional control valve, pressure sensor, or frequency variator of the flow control unit 20, and control the flow of the flow control unit 20, the switch of the valve body through commands, Pressure adjustment, or the frequency of the circulating pump, and multi-function control through the pressure and the frequency of the circulating pump, adjusting the flow rate, pressure or circulating pump frequency under different state of charge (SOC) To achieve the best energy saving and operational efficiency.

The multi-functional integrated flow battery module further includes an external power source 21, which can be a renewable energy source such as a commercial power or a solar photovoltaic or a wind power generation. When the initial operation is performed, the external power source 21 is used as a power supply source to provide AC power to the monitoring system 19, the first circulation pump system 142, the second circulation pump system 152, the flow control unit 20, and the constant temperature. The slot 16 is used. After the whole liquid flow battery module is activated to generate DC power, the DC power outputted from the battery stacks 11 and 11a is converted into AC power through the DC/AC converter 18, and the AC power produced by the module is used. The monitoring system 19, the first circulating pump system 142, the second circulating pump system 152, the flow control unit 20, and the thermostat 16 can be used.

The multifunctional integrated flow battery module further includes an emergency stop device (not shown) for performing an immediate shutdown process in the event of an emergency.

A valve body 22 is disposed on the pipeline communicating between the positive and negative electrolyte tanks 14, 15 and is switched according to the components and liquid levels of the positive and negative electrolytes 141 and 151. When the components of the positive and negative electrolytes 141 and 151 are the same, the valve body 22 controls the opening time period by setting the opening period, and when the liquid level changes in the positive and negative electrolyte tanks 14 and 15 and is different, The positive and negative electrolyte tanks 14, 15 are communicated through the opening of the valve body 22, so that the liquid level is the same; when the components of the positive and negative electrolytes 141, 151 are different, the valve body 22 is set to Always off ( alwaysoff). In addition, the valve body 22 can be connected with a pressurizing device (not shown), and the flow rate is accelerated by pressurization, so that the liquid level acceleration is the same.

The positive and negative electrolyte tanks 14 and 15 are respectively provided with a positive and negative electrode mixing tubes 143 and 153 for injecting the positive and negative electrolytes flowing back into the tube, and then the positive and negative electrolytes 141 in the tank. 151 mixed.

The positive and negative electrolyte tanks 14, 15 , the circulation lines, and the positions of the battery stacks 11 and 11a are provided with a liquid leakage collecting tank (not shown) for leaking the positive and negative electrolytes. collect. If so, a new multi-functional integrated flow battery module is constructed by the above disclosed structure.

In a specific embodiment, the module can be assembled in a container 10 to form a portable flow battery structure, and the container 10 can be used as a casing to be mounted on a ship, a chassis, a truck, or a railway vehicle. Transportation; thus, integration into a complete mobile power system (such as electric vehicles, mobile power systems) or complete fixed power systems (such as power storage, flow battery charging and discharging, and flow) Management system). When used, this module can provide the required power capacity, using the characteristics of the fluid exchangeable electrolyte, not only by introducing the flow and storage energy, but also adjusting the output of the battery system according to different energy storage scenarios. Power and energy, to save the charging time and reduce energy storage costs to maximize the benefits, can be converted to household electricity through DC / AC converter, or provide AC (AC) charging of the mains with a charging and discharging system, and then converted into The direct current (DC) power supply is used on the electric vehicle or the electric vehicle to directly replace the electrolyte to complete the charging in a short time, thereby effectively improving the charging efficiency, and the battery stack can further be placed with different types of liquid flow batteries, and the electrolyte thereof is also As the flow battery is directly exchanged, the filling can be quickly replaced by the electrolyte, so that it can be more conveniently used in a variety of different flow batteries, and various types of flow battery modules can be tested; The invention can realize the application of charging and discharging synchronization by a combination of more than one group of battery stacks, circulating pumps and circulating pipes thereof. And by the different operating strategies and control parameters, through manipulation of the system to make accurate and security monitoring. In addition, the whole module can be temperature controlled to the required temperature range through the constant temperature bath, not only can be maintained at a constant temperature, but also can adjust the system temperature in accordance with the external environment temperature to meet various harsh environmental requirements.

In summary, the present invention is a multifunctional integrated flow battery module, which can effectively improve various shortcomings of the conventional use, and utilizes the characteristics of the fluid exchangeable electrolyte, not only by introducing flow and storage energy. According to different storage energy use scenarios, the output power and energy of the battery system are adjusted to save the charging time and reduce the energy storage cost to maximize the benefits, and can be used on the electric vehicle to directly replace the electrolyte to complete the charging in a short time. It can effectively improve the charging efficiency and can quickly change the filling through the electrolyte. Therefore, various types of flow battery modules can be tested. Furthermore, the whole module can be temperature controlled to the required temperature range through the constant temperature tank system. Not only can it be kept at a constant temperature, but also can adjust the system temperature to meet the harsh environment requirements with the external environment temperature; in addition, with more than one group of battery stacks, circulating pumps and their circulation pipelines The combination can realize the application of charge and discharge synchronization, and through the different operation strategies and control parameters, the system can be used for accurate control and safety. Control. In application, for the purpose of application, it can be integrated into a complete mobile power system or a complete fixed power system; it can be converted into household power through a DC/AC converter, or AC charging can be provided in a charging and discharging system. And then converted into DC power for use on electric vehicles or electric vehicles, so that the invention can be made more progressive, more practical, and more in line with the needs of the user. It has indeed met the requirements of the invention patent application, and patented according to law. Application.

However, the above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto; therefore, the simple equivalent changes and modifications made in accordance with the scope of the present invention and the contents of the invention are modified. All should remain within the scope of the invention patent.

10‧‧‧ container

11, 11a‧‧‧ battery stack

12‧‧‧ positive heat exchanger

13‧‧‧Negative heat exchanger

14‧‧‧ positive electrolyte tank

141‧‧‧ positive electrolyte

142‧‧‧First Circulating Pump System

1421, 1422‧‧ ‧Circulating pump

15‧‧‧Negative electrolyte tank

151‧‧‧Negative electrolyte

152‧‧‧Second Circulating Pump System

1521, 1522‧‧ Circulating pump

16‧‧‧ thermostatic bath

17‧‧‧Charge and discharge system

18‧‧‧DC/AC Converter

19‧‧‧Monitoring system

20‧‧‧Flow Control Unit

21‧‧‧External power supply

Claims (15)

[Item 1] A multifunctional integrated flow battery module includes:
At least one or more battery stacks are electrochemically reacted with a negative electrode electrolyte to generate and/or discharge DC power, and output the reacted positive electrode electrolyte and negative electrode electrolyte;
a positive heat exchanger connected to the plurality of battery stacks for performing heat exchange on the reacted positive electrode electrolyte;
a negative heat exchanger connected to the plurality of battery stacks for performing heat exchange on the reacted negative electrode electrolyte;
a positive electrolyte tank in which the positive electrode electrolyte is stored, the positive electrode electrolyte is withdrawn from the positive electrode electrolyte tank through a first circulation pump system, and the flow rate is adjusted by a flow control unit, and then injected into the battery stack Performing an electrochemical reaction in the battery stack to generate and/or discharge DC power, and the reacted positive electrode electrolyte enters the positive electrode heat exchanger to maintain the positive electrode electrolyte in the optimal operating temperature range. And returning to the positive electrolyte tank, so that the positive electrolyte tank and the cathode heat exchanger and the stacks form a positive electrolyte circulating system to complete the charging and discharging process of the battery;
a negative electrolyte tank in which the anode electrolyte is stored, the anode electrolyte is withdrawn from the anode electrolyte tank through a second circulation pump system, and the flow rate is adjusted by the flow control unit, and then injected into the battery stack Performing an electrochemical reaction in the battery stack to generate and/or discharge DC power, and the reacted anode electrolyte enters the anode heat exchanger to maintain the anode electrolyte in the optimal operating temperature range. And returning to the negative electrolyte tank, the anode electrolyte tank and the anode heat exchanger and the battery stacks form a circulation system of the anode electrolyte to complete the charging and discharging process of the battery;
a constant temperature tank is respectively connected to the positive and negative heat exchangers and the positive and negative electrolyte tanks for controlling the temperature ranges of the positive and negative electrolytes and the stacks, not only being maintained at a constant temperature, The system temperature can be adjusted according to the external environment temperature to meet various harsh environmental requirements;
A charging and discharging system is connected to the battery stacks for charging and discharging the battery stacks. When charging, it can be connected with mains or renewable energy, and charged by DC/AC conversion. Is connected to any load for discharging by DC/AC conversion; and a monitoring system for automatically monitoring the flow control unit, and controlling the flow of the flow control unit, the switch of the valve body, and the pressure adjustment through commands , or the frequency of the circulating pump, and through the pressure and the frequency of the circulating pump to control the multi-function, adjust the flow, pressure or circulating pump frequency under different state of charge (SOC). [Item 2] The multifunctional integrated flow battery module according to the first aspect of the patent application scope further includes a DC/AC converter for converting the DC power outputted from the battery stack into AC power, and then providing the monitoring system The first circulating pump system, the second circulating pump system, the flow control unit, and the thermostat are used. [Item 3] The multifunctional integrated flow battery module according to claim 1 of the patent application scope further includes an external power source for supplying AC power to the monitoring system as the power supply source during initial operation, the first cycle The pump system, the second circulation pump system, the flow control unit, and the thermostat are used. [Item 4] The multi-functional integrated flow battery module according to claim 1, wherein the flow control unit comprises a flow meter, a proportional control valve, a pressure sensor, and a frequency variator. [Item 5] According to the multi-functional integrated flow battery module of claim 1, wherein the pipeline connecting the positive and negative electrolyte tanks is provided with a valve body according to the composition of the positive and negative electrolytes. And the liquid level is switched. [Item 6] According to the multifunctional integrated flow battery module of claim 5, wherein when the components of the positive and negative electrolytes are the same, the valve system controls the opening time interval by setting the opening period, when the positive and negative electrodes are When the liquid level in the electrolyte tank changes and is different, the liquid level returns to the same through the opening of the valve body. [Item 7] According to the multifunctional integrated flow battery module of claim 5, wherein the components of the positive and negative electrolytes are different, the valve system is set to always off. [Item 8] The multi-functional integrated flow battery module according to claim 5, wherein the valve system is connected with a pressurizing device. [Item 9] According to the multi-functional integrated flow battery module described in claim 1, wherein the positive electrolyte tank is provided with a positive electrode mixing tube for injecting the reflux positive electrode electrolyte into the tube, and then the groove The positive electrode electrolyte inside is mixed. [Item 10] According to the multi-functional integrated flow battery module of claim 1, wherein the negative electrolyte tank is provided with a negative electrode mixing tube for injecting the negative electrode electrolyte into the tube first, and then the groove The negative electrode electrolyte inside is mixed. [Item 11] The multi-functional integrated flow battery module according to claim 1, wherein the first circulating pump system and the second circulating pump system each have at least one set of circulating pumps and at least one set of circulating tubes Road composition. [Item 12] The multifunctional integrated flow battery module according to claim 1 or 11, wherein the positive electrode electrolyte and the negative electrode are electrolyzed when the battery stack simultaneously generates DC power or simultaneously discharges DC power. The liquid system can select the respective first circulating pump system and any circulating pump and circulating pipeline in the second circulating pump system to operate, or can operate simultaneously. [Item 13] The multifunctional integrated flow battery module according to claim 1 or 11, wherein each of the battery stacks generates DC power by one of the battery stacks, and when the other battery stack emits DC power, The positive electrode electrolyte and the negative electrode electrolyte system separate the first circulating pump system and the second circulating pump system in two sets of circulating pumps and two sets of circulating pipes. [Item 14] The multifunctional integrated flow battery module according to claim 1 or 11, wherein the positive and negative electrolyte tanks, the circulation lines, and the positions of the battery stacks are provided with a liquid leakage collection. A tank for collecting the leaked positive and negative electrolytes. [Item 15] The multifunctional integrated flow battery module according to claim 1 of the patent application scope further includes an emergency stop device for performing an immediate shutdown process in the event of an emergency.