CN113131044A - Immersed liquid temperature-regulating solid-state battery energy storage system - Google Patents
Immersed liquid temperature-regulating solid-state battery energy storage system Download PDFInfo
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- CN113131044A CN113131044A CN202110519072.7A CN202110519072A CN113131044A CN 113131044 A CN113131044 A CN 113131044A CN 202110519072 A CN202110519072 A CN 202110519072A CN 113131044 A CN113131044 A CN 113131044A
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- 239000007788 liquid Substances 0.000 title claims abstract description 206
- 238000004146 energy storage Methods 0.000 title claims abstract description 32
- 239000000178 monomer Substances 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 44
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000028016 temperature homeostasis Effects 0.000 claims 3
- 238000007599 discharging Methods 0.000 abstract description 3
- 238000001802 infusion Methods 0.000 description 5
- 239000007791 liquid phase Substances 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 239000011244 liquid electrolyte Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002470 thermal conductor Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/10—Batteries in stationary systems, e.g. emergency power source in plant
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- 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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/10—Flexible AC transmission systems [FACTS]
-
- 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
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
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- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
Abstract
The invention discloses an immersed liquid temperature-regulating solid-state battery energy storage system, and belongs to the technical field of energy storage batteries. Each battery module box is respectively connected with one DC-DC module, all the DC-DC modules are connected with the solid-state battery management module after being connected in parallel, the solid-state battery management module is connected with the DC-AC module, and the DC-AC module is connected to an external power grid; the battery module box is filled with the insulating liquid that adjusts the temperature, and solid-state battery module submergence is in the insulating liquid that adjusts the temperature, and solid-state battery module includes a plurality of solid-state battery monomer, is provided with a plurality of temperature sensor in the battery module box, and temperature sensor is connected with solid-state battery management module, and the insulating liquid that adjusts the temperature in all battery module boxes in the system passes through the insulating liquid circulation system that adjusts the temperature and circulates. The temperature control device can greatly improve the temperature consistency and stability of the solid-state battery, and solves the problems of poor normal-temperature charging and discharging performance of the solid-state battery, poor uniformity of the traditional temperature control device and low efficiency.
Description
Technical Field
The invention belongs to the technical field of energy storage batteries, and particularly relates to an immersed liquid temperature-regulating solid-state battery energy storage system.
Background
With the large-scale application of batteries, the safety problem of batteries is more and more concerned. Since the liquid battery contains a large amount of liquid electrolyte, the liquid battery is liable to cause combustion and even explosion of the battery, and the solid battery is considered to replace the next generation of liquid battery with a large-scale development. The solid-state battery has extremely high safety because of not containing liquid electrolyte, and the solid-state battery also has the advantages of high energy density, long cycle life and the like. However, the current solid-state batteries have poor discharge performance at room temperature due to low ionic conductivity of the solid electrolyte, large internal impedance of the batteries, and the like.
Therefore, the solid-state battery needs to be heated, and the traditional battery thermal management technology generally heats the battery by winding a liquid-containing pipeline around the solid-state battery, but the uniformity of the battery temperature cannot be guaranteed by such a method, so that local temperature imbalance is easy to occur, the performance of the battery is rapidly degraded, and the cycle service life of the whole energy storage system is shortened. The solid-state battery has very high temperature sensitivity, and therefore, the temperature control of the solid-state battery needs to be improved, and the temperature uniformity of the solid-state battery is ensured.
Disclosure of Invention
In order to solve the above existing problems, an object of the present invention is to provide an immersed liquid temperature-regulating solid-state battery energy storage system, which can greatly improve the temperature consistency and stability of a solid-state battery, and solve the problems of poor normal-temperature charging and discharging performance of the solid-state battery, poor uniformity of a conventional temperature control device, and low efficiency.
The invention is realized by the following technical scheme:
the invention discloses an immersed liquid temperature-regulating solid-state battery energy storage system, which comprises a DC-AC module, a solid-state battery management module, a DC-DC module, a battery module box body, a solid-state battery module and a temperature-regulating insulating liquid circulating system, wherein the battery module box body is provided with a plurality of battery modules;
each solid-state battery module is connected with one DC-DC module, all the DC-DC modules are connected with the solid-state battery management module after being connected in parallel, the solid-state battery management module is connected with the DC-AC module, and the DC-AC module is connected to an external power grid;
the battery module box is filled with the insulating liquid that adjusts the temperature, and solid-state battery module submergence is in the insulating liquid that adjusts the temperature, and solid-state battery module includes a plurality of solid-state battery monomer, is provided with a plurality of temperature sensor in the battery module box, and temperature sensor is connected with solid-state battery management module, and the insulating liquid that adjusts the temperature in all battery module boxes in the system passes through the insulating liquid circulation system that adjusts the temperature and circulates.
Preferably, the temperature-adjusting insulating liquid circulating system comprises a temperature-adjusting insulating liquid transmission pipeline and a temperature-adjusting insulating liquid storage device, a heating device is arranged in the temperature-adjusting insulating liquid storage device, a liquid inlet and a liquid outlet are formed in each battery module box, the temperature-adjusting insulating liquid transmission pipeline is connected with the liquid inlet and the liquid outlet of each battery module box, and a circulating pump and a main valve are arranged on the temperature-adjusting insulating liquid transmission pipeline.
Further preferably, the temperature-regulating insulating liquid transmission pipeline is sequentially connected with the liquid inlet and the liquid outlet of each battery module box in series.
Further preferably, the temperature-regulating insulating liquid transmission pipeline comprises a main liquid conveying pipe, a branch liquid conveying pipe, a main liquid returning pipe and a branch liquid returning pipe, the main liquid conveying pipe is connected with a liquid conveying port of the temperature-regulating insulating liquid storage device, the main liquid conveying pipe is connected with a liquid inlet of each battery module box body through the branch liquid conveying pipe, the main liquid returning pipe is connected with the liquid returning port of the temperature-regulating insulating liquid storage device, and the main liquid returning pipe is connected with a liquid outlet of each battery module box body through the branch liquid returning pipe.
Further preferably, the circulating pump and the main valve are arranged on the infusion main pipe, and each infusion branch pipe is provided with a branch valve.
Further preferably, the number of the temperature sensors is at least 3, and the temperature sensors are respectively arranged at a liquid inlet, the middle part and a liquid outlet of the battery module box body.
Further preferably, the battery module box body and the temperature regulating insulating liquid transmission pipeline are coated with insulating layers.
Further preferably, the liquid inlet and the liquid outlet of the battery module box body are arranged diagonally.
Preferably, the temperature-adjusting insulating liquid is a fluorinated liquid.
Preferably, the solid-state battery cell is a sulfide solid-state battery cell, an oxide solid-state battery cell, a polymer solid-state battery cell, or a composite solid-state battery cell.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention discloses an immersed liquid temperature-regulating solid-state battery energy storage system, which is characterized in that a solid-state battery is immersed in temperature-regulating insulating liquid, the temperature is regulated through a temperature-regulating insulating liquid circulating system, and real-time monitoring and feedback are carried out through a temperature sensor. The solid-state battery is subjected to temperature regulation in an immersed liquid state mode, the temperature in the liquid phase can be effectively conducted to the energy storage battery, the heat transfer efficiency is high, and the energy consumption is low; the immersion type liquid temperature regulation mode can accurately control the temperature of the energy storage solid-state battery, ensure the consistency of the temperature of the battery and ensure the cycle capacity and the service life of the battery in the energy storage system; the immersed liquid solid-state battery energy storage system can effectively solve the problem that the charge-discharge performance of the solid-state battery is poor at normal temperature, and the safety of the battery energy storage system is greatly improved by adopting the solid-state battery.
Furthermore, the temperature-adjusting insulating liquid circulating system realizes the circulation of the temperature-adjusting insulating liquid through a temperature-adjusting insulating liquid transmission pipeline and a temperature-adjusting insulating liquid storage device, and controls the flow rate and the flow speed through a circulating pump and a main valve, thereby achieving the purpose of accurate temperature control.
Furthermore, the temperature-adjusting insulating liquid transmission pipeline is sequentially connected with the liquid inlet and the liquid outlet of each battery module box body in series, and the connection mode is simple in structure and convenient to control.
Furthermore, the temperature-adjusting insulating liquid transmission pipeline is connected with each battery module box body in a parallel connection mode, each branch is relatively independent, and the system is high in heat transfer efficiency and good in stability.
Furthermore, each infusion branch pipe is provided with a branch valve, so that the real-time temperature in each battery module box body can be adjusted, the speed and the flow of the temperature-adjusting insulating liquid entering each battery module box body can be adjusted, and the control precision is high.
Furthermore, the temperature sensors are respectively arranged at the liquid inlet, the middle part and the liquid outlet of the battery module box body, so that the temperature distribution condition in the battery module box body can be effectively monitored.
Furthermore, the battery module box body and the temperature-adjusting insulating liquid transmission pipeline are coated with heat-insulating layers, so that heat loss can be prevented, and energy consumption of the system is reduced.
Furthermore, the liquid inlet and the liquid outlet diagonal of the battery module box body are arranged, so that the temperature-adjusting insulating liquid can be uniformly distributed in all places of the battery module box body after being diffused, and dead zones are avoided.
Furthermore, the temperature-adjusting insulating liquid can adopt fluorinated liquid, has good chemical inertia, cannot generate corrosion, and can ensure the fluorinated liquid with high boiling point to be recycled at high temperature.
Furthermore, the solid-state battery cell is a sulfide solid-state battery cell, an oxide solid-state battery cell, a polymer solid-state battery cell or a composite solid-state battery cell, can be selected according to actual requirements, and is good in compatibility.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: the device comprises a DC-AC module 1, a solid battery management module 2, a DC-DC module 3, a battery module box 4, a temperature-adjusting insulating liquid 5, a solid battery module 6, a temperature-adjusting insulating liquid transmission pipeline 7, a temperature sensor 8, a heating device 9, a temperature-adjusting insulating liquid storage device 10, a circulating pump 11 and a main valve 12.
Detailed Description
The invention will now be described in further detail with reference to the following drawings and specific examples, which are intended to be illustrative and not limiting:
referring to fig. 1, the immersed liquid temperature-regulating solid-state battery energy storage system of the invention comprises a DC-AC module 1, a solid-state battery management module 2, a DC-DC module 3, a battery module box 4, a solid-state battery module 6 and a temperature-regulating insulating liquid circulating system.
Each solid-state battery module 6 is respectively connected with one DC-DC module 3, all the DC-DC modules 3 are connected with the solid-state battery management module 2 after being connected in parallel, the solid-state battery management module 2 is connected with the DC-AC module 1, and the DC-AC module 1 is connected to an external power grid; the battery module box 4 is filled with temperature-adjusting insulating liquid 5, and the temperature-adjusting insulating liquid 5 can be fluorinated liquid. The solid-state battery modules 6 are immersed in the temperature-adjusting insulating liquid 5, the solid-state battery modules 6 comprise a plurality of solid-state battery monomers, and the solid-state battery monomers can be sulfide solid-state battery monomers, oxide solid-state battery monomers, polymer solid-state battery monomers or composite solid-state battery monomers. A plurality of temperature sensors 8 are arranged in the battery module box body 4, the temperature sensors 8 are connected with the solid-state battery management module 2, and the temperature-adjusting insulating liquid 5 in all the battery module box bodies 4 in the system circulates through the temperature-adjusting insulating liquid circulating system.
The temperature-adjusting insulating liquid circulating system comprises a temperature-adjusting insulating liquid transmission pipeline 7 and a temperature-adjusting insulating liquid storage device 10, a heating device 9 is arranged in the temperature-adjusting insulating liquid storage device 10, a liquid inlet and a liquid outlet are formed in each battery module box 4, the temperature-adjusting insulating liquid transmission pipeline 7 is connected with the liquid inlet and the liquid outlet of each battery module box 4, and a circulating pump 11 and a main valve 12 are arranged on the temperature-adjusting insulating liquid transmission pipeline 7.
Regarding the arrangement mode of the temperature-adjusting insulating liquid transmission pipeline 7, in an embodiment of the present invention, the temperature-adjusting insulating liquid transmission pipeline 7 is sequentially connected in series with the liquid inlet and the liquid outlet of each battery module box 4, that is, the liquid outlet of the previous battery module box 4 is connected with the liquid inlet of the next battery module box 4, and is sequentially connected.
In another preferred embodiment of the present invention, the temperature-regulating insulating liquid transmission pipeline 7 includes a main liquid transmission pipe, a branch liquid transmission pipe, a main liquid return pipe and a branch liquid return pipe, the main liquid transmission pipe is connected to a liquid transmission port of the temperature-regulating insulating liquid storage device 10, the main liquid transmission pipe is connected to a liquid transmission port of each battery module box 4 through the branch liquid transmission pipe, the main liquid return pipe is connected to a liquid return port of the temperature-regulating insulating liquid storage device 10, and the main liquid return pipe is connected to a liquid transmission port of each battery module box 4 through the branch liquid return pipe. The circulating pump 11 and the main valve 12 are arranged on the main infusion pipe, and each infusion branch pipe is provided with a branch valve.
In terms of the number and positions of the temperature sensors 8, in a preferred embodiment of the present invention, the number of the temperature sensors 8 is at least 3, and the temperature sensors are respectively disposed at the liquid inlet, the middle portion and the liquid outlet of the battery module case 4.
In a preferred embodiment of the invention, the battery module box 4 and the temperature-regulating insulating liquid transmission pipeline 7 are coated with insulating layers.
In a preferred embodiment of the present invention, the liquid inlet and the liquid outlet of the battery module case 4 are arranged diagonally. In another embodiment of the present invention, the liquid inlet and the liquid outlet are respectively disposed on two opposite sides and respectively located at two ends of the axis of the battery module box 4, so as to prevent the liquid inlet and the liquid outlet from being disposed opposite to each other, thereby preventing dead zones from occurring in the battery module box 4 due to too short stroke of the temperature adjusting insulating liquid 5.
Examples
The solid-state battery energy storage system adopts oxide solid-state battery monomers, the solid-state battery energy storage system with 1MW/1MWh is configured, the oxide solid-state battery monomers form a 125kW/125kWh solid-state battery module 6 in a serial or parallel mode, 8 oxide solid-state battery modules are connected in series with a DC-DC module 3 and then connected to a solid-state battery management module 2, the other end of the solid-state battery management module 2 is connected with a DC-AC module 1, and the DC-AC module 1 is connected with an external power grid.
The oxide solid-state battery module is placed in the battery module box 4, the battery module box 4 is provided with a liquid inlet and a liquid outlet, the liquid inlet and the liquid outlet are both connected with the temperature-adjusting insulating liquid transmission pipeline 7, and the battery module boxes 4 are also connected with each other through the temperature-adjusting insulating liquid transmission pipeline. The space formed by the battery module box body 4 and the temperature-regulating insulating liquid transmission pipeline 7 is closed, and the internal space forms a circulation loop. Before the temperature-adjusting insulating liquid 5 is injected, a closed space formed by the battery module box body 4 and the temperature-adjusting insulating liquid transmission pipeline 7 is vacuumized, and then the temperature-adjusting insulating liquid 5 is filled in the battery module box body 4 and the temperature-adjusting insulating liquid transmission pipeline 7, so that all battery monomers are immersed in a liquid phase. The immersed liquid mode can improve the heat transfer efficiency, reduce the energy consumption and accurately control the temperature of the energy storage solid-state battery.
The selected temperature-regulating insulating liquid 5 needs to have good heat conductivity, and meanwhile, the temperature-regulating insulating liquid 5 is stable with the battery module, the battery module box body 4, the temperature-regulating insulating liquid transmission pipeline 7, the line and the like, and no chemical corrosion reaction occurs. The temperature-adjusting insulating liquid 5 is an electronic insulating conductor, and electrons cannot be conducted, so that short circuit of the battery in the temperature-adjusting insulating liquid 5 is prevented. For example, the fluorizating liquid has good chemical inertia and can not generate corrosion, and the fluorizating liquid with high boiling point can be ensured to be recycled at high temperature. The battery module box 4 is made of a poor thermal conductor, and a heat-insulating layer covers the outside of the battery module box, so that heat loss of the solid-state battery module 6 can be reduced. The solid-state battery management module 2 controls the heating device 9 through the temperature fed back by the temperature sensor 8, adjusts the temperature of the circulating liquid phase, controls the flow of the liquid phase through controlling the size of the main valve 12, and controls the flow speed through the circulating pump 11. For example, the operation temperature of the oxide solid-state battery can be controlled to be about 80 ℃, so that the solid-state battery is ensured to be charged and discharged at a stable temperature, and the problem of large internal resistance of the solid-state battery at normal temperature is effectively solved.
The solid-state battery management module 2 controls the charging and discharging states of the solid-state battery through the control DC-DC module 3, each solid-state battery module 6 is an independent system and can be independently controlled, and the solid-state battery energy storage system can enable the battery module with lower capacity to be charged preferentially and enable the battery module with higher capacity to be discharged preferentially, so that the operating efficiency and the reliability of the energy storage system are improved.
In the embodiments provided in the present application, the technical content disclosed in the present application mainly aims at the immersed liquid state temperature-regulated solid state battery energy storage system, and the above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope of the present invention, or equivalent structures or equivalent flow changes made by using the content of the present specification and the attached drawings, or directly or indirectly applied to other related technical fields, shall be covered within the scope of the present invention.
Claims (10)
1. An immersed liquid temperature-regulating solid-state battery energy storage system is characterized by comprising a DC-AC module (1), a solid-state battery management module (2), a DC-DC module (3), a battery module box body (4), a solid-state battery module (6) and a temperature-regulating insulating liquid circulating system;
each solid-state battery module (6) is respectively connected with one DC-DC module (3), all the DC-DC modules (3) are connected with the solid-state battery management module (2) after being connected in parallel, the solid-state battery management module (2) is connected with the DC-AC module (1), and the DC-AC module (1) is connected to an external power grid;
the battery module box (4) intussuseption is filled with the insulating liquid (5) that adjusts the temperature, solid-state battery module (6) submergence is in the insulating liquid (5) that adjusts the temperature, and solid-state battery module (6) include a plurality of solid-state battery monomer, are provided with a plurality of temperature sensor (8) in the battery module box (4), and temperature sensor (8) are connected with solid-state battery management module (2), and insulating liquid (5) that adjust the temperature in all battery module boxes (4) in the system circulate through the insulating liquid circulation system that adjusts the temperature.
2. An immersed liquid temperature-regulating solid-state battery energy storage system according to claim 1, wherein the temperature-regulating insulating liquid circulating system comprises a temperature-regulating insulating liquid transmission pipeline (7) and a temperature-regulating insulating liquid storage device (10), a heating device (9) is arranged in the temperature-regulating insulating liquid storage device (10), a liquid inlet and a liquid outlet are arranged on each battery module box body (4), the temperature-regulating insulating liquid transmission pipeline (7) is connected with the liquid inlet and the liquid outlet of each battery module box body (4), and a circulating pump (11) and a main valve (12) are arranged on the temperature-regulating insulating liquid transmission pipeline (7).
3. An immersed liquid temperature-regulating solid-state battery energy storage system according to claim 2, wherein the temperature-regulating insulating liquid transmission pipeline (7) is connected in series with the liquid inlet and the liquid outlet of each battery module box (4) in sequence.
4. An immersed liquid temperature-regulating solid-state battery energy storage system according to claim 2, wherein the temperature-regulating insulating liquid transmission pipeline (7) comprises a main liquid transmission pipe, a branch liquid transmission pipe, a main liquid return pipe and a branch liquid return pipe, the main liquid transmission pipe is connected with a liquid transmission port of the temperature-regulating insulating liquid storage device (10), the main liquid transmission pipe is respectively connected with a liquid inlet of each battery module box (4) through the branch liquid transmission pipe, the main liquid return pipe is connected with a liquid return port of the temperature-regulating insulating liquid storage device (10), and the main liquid return pipe is respectively connected with a liquid outlet of each battery module box (4) through the branch liquid return pipe.
5. An immersed liquid thermoregulation solid-state battery energy storage system according to claim 4, characterized in that the circulation pump (11) and the main valve (12) are provided on a feeding main, and a branch valve is provided on each feeding branch.
6. An immersed liquid temperature-regulating solid-state battery energy storage system according to claim 2, wherein the number of the temperature sensors (8) is at least 3, and the temperature sensors are respectively arranged at a liquid inlet, a middle part and a liquid outlet of the battery module box body (4).
7. An immersed liquid temperature-regulating solid-state battery energy storage system according to claim 2, wherein the battery module box (4) and the temperature-regulating insulating liquid transmission pipeline (7) are externally coated with insulating layers.
8. An immersed liquid state temperature-regulated solid state battery energy storage system as claimed in claim 2, wherein the liquid inlet and the liquid outlet of the battery module box (4) are arranged diagonally.
9. An immersed liquid thermoregulation solid-state battery energy storage system according to claim 1, characterized in that the thermoregulation insulating liquid (5) is a fluorinated liquid.
10. An immersed liquid temperature-regulating solid-state battery energy storage system according to claim 1, wherein the solid-state battery cell is a sulfide solid-state battery cell, an oxide solid-state battery cell, a polymer solid-state battery cell or a composite solid-state battery cell.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113740757A (en) * | 2021-08-20 | 2021-12-03 | 中国电子科技集团公司第四十三研究所 | Metal full-sealed power module immersion type aging system and method |
| CN115437426A (en) * | 2022-09-30 | 2022-12-06 | 江苏拓米洛环境试验设备有限公司 | Constant temperature box control system and control method thereof |
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