CN113131043A - Solid-state battery energy storage system capable of accurately controlling temperature - Google Patents
Solid-state battery energy storage system capable of accurately controlling temperature Download PDFInfo
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- CN113131043A CN113131043A CN202110517062.XA CN202110517062A CN113131043A CN 113131043 A CN113131043 A CN 113131043A CN 202110517062 A CN202110517062 A CN 202110517062A CN 113131043 A CN113131043 A CN 113131043A
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- 238000004146 energy storage Methods 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 163
- 239000000178 monomer Substances 0.000 claims abstract description 26
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229920000642 polymer Polymers 0.000 claims abstract description 5
- 238000007726 management method Methods 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 239000007787 solid Substances 0.000 description 10
- 239000007788 liquid Substances 0.000 description 7
- 238000007789 sealing Methods 0.000 description 4
- 238000004880 explosion Methods 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 208000032953 Device battery issue Diseases 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 206010016766 flatulence Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 238000006467 substitution reaction 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
- H01M10/615—Heating or keeping warm
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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
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
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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
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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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)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
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- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a solid-state battery energy storage system capable of accurately controlling temperature, and belongs to the technical field of energy storage batteries. 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 solid-state battery module comprises a plurality of solid-state battery monomers, and the solid-state battery monomers can adopt oxide solid-state battery monomers, sulfide solid-state battery monomers or polymer solid-state battery monomers. The solid-state battery module is internally provided with a plurality of battery temperature sensors, the battery temperature sensors are connected with the solid-state battery management module, the temperature-adjusting water circulation system comprises a water circulation pipeline, and the water circulation pipeline penetrates through all solid-state battery monomers in the solid-state battery energy storage system. The invention can improve the temperature control precision of the solid-state battery, ensure the consistency of the battery in the operation process and solve the problems of larger internal resistance and poorer charging and discharging performance of the solid-state battery at normal temperature.
Description
Technical Field
The invention belongs to the technical field of energy storage batteries, and particularly relates to a solid-state battery energy storage system capable of accurately controlling temperature.
Background
The traditional liquid lithium ion battery is widely applied in commercialization, but the liquid electrolyte contains a large amount of liquid organic inflammable electrolyte, and the risk of liquid leakage, fire and even explosion exists in the battery charging and discharging process. The energy storage system generally has larger capacity, is an MWh system, and has larger influence range caused by fire and explosion, particularly, in recent years, the fire and explosion accidents of a plurality of energy storage power stations are caused, which is an important reason for limiting the large-scale application of the energy storage system.
Compared with an organic liquid battery, the solid-state battery does not contain liquid components, does not have the problems of volatilization, liquid leakage and flatulence, and has excellent electrochemical stability and high-temperature stability. The solid-state battery can completely replace the traditional liquid-state battery in the future and is widely applied to energy storage systems. However, the following problems still exist in the current solid-state battery: the solid electrolyte has a large interface impedance in contact with the electrode, and the ionic conductivity of the solid battery is low, so that the electrochemical performance of the solid battery at normal temperature is poor. The electrochemical performance of the solid-state battery is greatly influenced by the temperature, the interfacial impedance of the solid-state battery is reduced along with the increase of the temperature, the ionic conductivity of the solid-state electrolyte is greatly improved, and the electrochemical performance of the solid-state battery can meet the requirements of an energy storage system.
Disclosure of Invention
In order to solve the existing problems, the invention aims to provide a solid-state battery energy storage system capable of accurately controlling the temperature, which can improve the temperature control precision of a solid-state battery, ensure the consistency of the battery in the operation process and solve the problems of large internal resistance and poor charging and discharging performance of the solid-state battery at normal temperature.
The invention is realized by the following technical scheme:
the invention discloses a solid-state battery energy storage system capable of accurately controlling temperature, which comprises a DC-AC module, a solid-state battery management module, a DC-DC module, a solid-state battery module and a temperature-adjusting water circulating system, wherein the DC-AC module is connected with the solid-state battery management module;
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 solid-state battery module comprises a plurality of solid-state battery monomers, a plurality of battery temperature sensors are arranged in the solid-state battery module and connected with the solid-state battery management module, the temperature-adjusting water circulation system comprises a water circulation pipeline, and the water circulation pipeline penetrates through all the solid-state battery monomers in the solid-state battery energy storage system.
Preferably, the temperature-adjusting water circulating system further comprises a water storage device, a heating device is arranged in the water storage device, and a water pump and a main valve are arranged on the water circulating pipeline.
Further preferably, a water temperature sensor is arranged in the water storage device.
Preferably, the water circulation pipe is connected in series with each solid-state battery cell in turn.
Preferably, the water circulation pipeline comprises a water delivery main pipe, a water return main pipe and a plurality of water delivery branch pipes, the water delivery main pipe is connected with a water outlet of the water storage device, the water delivery main pipe is connected with each water delivery branch pipe, each water delivery branch pipe penetrates through all solid-state battery monomers in the corresponding solid-state battery module and then is connected to the water return main pipe, the water return main pipe is connected with a water return port of the water storage device, and each water delivery branch pipe is provided with a branch valve.
Preferably, the solid-state battery module and the water circulation pipeline are both externally coated with heat insulation layers.
Preferably, the solid-state battery monomer is provided with a through hole, two ends of the through hole are respectively located at two ends of the solid-state battery monomer, and the water circulation pipeline is arranged in the through hole in a penetrating mode.
Preferably, the two sides of the axis of the solid battery are respectively provided with a first through hole and a second through hole, the first through hole is parallel to the second through hole, and the water circulation pipeline is arranged in the first through hole and the second through hole in a penetrating manner.
Preferably, the outer wall of the water circulation pipeline is in close contact with the inner wall of the solid battery monomer, the water circulation pipeline is in sealing connection with the solid battery monomer, and the water circulation pipeline is a heat conduction silicon pipe.
Preferably, the solid-state battery cell is an oxide solid-state battery cell, a sulfide solid-state battery cell, or a polymer solid-state battery cell.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention discloses a solid-state battery energy storage system capable of accurately controlling the temperature. Because the solid-state battery is of an all-solid structure, the water circulation pipeline penetrates through the solid-state battery, the temperature of the solid-state battery can be accurately kept consistent with the temperature of liquid in the water circulation pipeline, and the temperature control precision is ensured; the solid-state battery is heated to high temperature in a water circulation mode, so that the internal impedance of the battery can be reduced, the charging and discharging performance of the battery is improved, and the requirement of a power grid instruction can be met by a solid-state battery energy storage system; the solid-state battery management module can control the temperature of circulating water through the battery temperature sensor, effectively controls the charge and discharge of each solid-state battery module, and ensures the operating efficiency of equipment.
Furthermore, the temperature-regulating water circulating system realizes the circulation of the temperature-regulating water through the water storage device and the water circulating pipeline, and the flow and the flowing speed are controlled through the water pump and the main valve, so that the aim of accurately controlling the temperature is fulfilled.
Furthermore, a water temperature sensor is arranged in the water storage device, so that the temperature of circulating water can be monitored in real time, and the control precision is improved.
Furthermore, the water circulation pipeline is sequentially connected with each solid-state battery monomer in series, and the connection mode is simple in structure, simple and convenient to control and suitable for an energy storage system with a small scale.
Furthermore, the water circulation pipeline is connected with each solid-state battery module in a parallel mode through the water delivery main pipe, the water return main pipe and the water delivery branch pipes, each branch is relatively independent, the heat transfer efficiency of the system is high, the stability is good, and the system is suitable for large-scale energy storage systems with high requirements for temperature control accuracy.
Furthermore, the solid-state battery module and the water circulation pipeline are externally coated with heat-insulating layers, so that heat loss can be prevented, and energy consumption of the system is reduced.
Furthermore, a single line of the water circulation pipeline penetrates through the solid-state battery monomer, the structure is simple, and the temperature regulation requirement can be met.
Furthermore, the double lines of the water circulation pipeline penetrate through the solid-state battery monomer, so that the temperature adjusting efficiency is high.
Furthermore, the outer wall of the water circulation pipeline is in close contact with the inner wall of the solid battery monomer, so that the heat transfer efficiency of water circulation is improved; the water circulation pipeline is hermetically connected with the solid battery monomer to prevent the performance from being influenced by water sensitivity; the water circulation pipeline adopts a heat conduction silicon pipe, so that the heat conductivity is ensured, and the problem that the solid-state battery is directly out of work due to short circuit caused by electronic conductivity is avoided.
Furthermore, the solid-state battery cell is an oxide solid-state battery cell, a sulfide solid-state battery cell or a polymer 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 system comprises a DC-AC module 1, a solid-state battery management module 2, a DC-DC module 3, a solid-state battery module 4, a water circulation pipeline 5, a battery temperature sensor 6, a heating device 7, a water storage device 8, a water pump 9, a main valve 10 and a water temperature sensor 11.
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 solid-state battery energy storage system capable of accurately controlling temperature according to the present invention includes a DC-AC module 1, a solid-state battery management module 2, a DC-DC module 3, a solid-state battery module 4, and a temperature-controlled water circulation system. Each solid-state battery module 4 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 solid-state battery module 4 includes a plurality of solid-state battery cells, and the solid-state battery cells may be oxide solid-state battery cells, sulfide solid-state battery cells, or polymer solid-state battery cells. A plurality of battery temperature sensors 6 are arranged in the solid-state battery module 4, the temperature-adjusting water circulation system comprises a water circulation pipeline 5, and the water circulation pipeline 5 penetrates through all solid-state battery monomers in the solid-state battery energy storage system.
The temperature-adjusting water circulating system further comprises a water storage device 8, a heating device 7 is arranged in the water storage device 8, and a water pump 9 and a main valve 10 are arranged on the water circulating pipeline 5. Preferably, a water temperature sensor 11 is arranged in the water storage device 8.
Regarding the connection manner of the water circulation pipe 5 and the solid-state battery module 4, in one embodiment of the present invention, the water circulation pipe 5 is connected in series with each solid-state battery cell in sequence; the connection mode has simple structure and simple and convenient control, and is suitable for the energy storage system with smaller scale. In a preferred embodiment of the present invention, the water circulation pipeline 5 includes a water delivery main pipe, a water return main pipe and a plurality of water delivery branch pipes, the water delivery main pipe is connected with the water outlet of the water storage device 8, the water delivery main pipe is connected with each water delivery branch pipe, each water delivery branch pipe passes through all solid-state battery monomers in the corresponding solid-state battery module 4 and then is connected to the water return main pipe, the water return main pipe is connected with the water return port of the water storage device 8, and each water delivery branch pipe is provided with a branch valve; the parallel connection mode has the advantages that each branch is relatively independent, the heat transfer efficiency of the system is high, the stability is good, and the parallel connection mode is suitable for large-scale energy storage systems with high requirements on temperature control precision.
In one embodiment of the present invention, the solid-state battery module 4 and the water circulation pipe 5 are externally coated with an insulating layer.
Regarding the arrangement mode of the water circulation pipeline 5, in an embodiment of the present invention, a through hole is provided on the solid-state battery cell, two ends of the through hole are respectively located at two ends of the solid-state battery cell, and the water circulation pipeline 5 is inserted into the through hole; the mode has a simple structure and can meet the temperature regulation requirement. In a preferred embodiment of the present invention, a first through hole and a second through hole are respectively formed at two sides of an axis of the solid battery cell, the first through hole is parallel to the second through hole, and the water circulation pipeline 5 is arranged through the first through hole and the second through hole; the mode has high temperature adjusting efficiency. Specifically, in one solid-state battery module 4, the solid-state battery cells may be divided into a plurality of groups, each group includes a plurality of solid-state battery cells, and the water circulation pipeline 5 sequentially passes through the first through holes of all the solid-state battery cells in the group, then passes through the second through holes, then passes through the first through holes of the next group of solid-state battery cells, and so on.
The outer wall of the water circulation pipeline 5 is in close contact with the inner wall of the solid-state battery monomer, the water circulation pipeline 5 is in sealing connection with the solid-state battery monomer, and the water circulation pipeline 5 can adopt a heat conduction silicon pipe.
Examples
The solid-state battery single body is a sulfide solid-state battery, a 1MW/1MWh solid-state battery energy storage system is configured, the sulfide solid-state battery single body forms a 125kW/125kWh solid-state battery module 4 in a series or parallel mode, 8 solid-state battery modules 4 are connected with a DC-DC module 3 in series and then are uniformly connected to a solid-state battery management module 2, and the other end of the solid-state battery management module 2 is connected with the DC-AC module 1 and is connected to an external power grid.
A water circulation system is arranged in the solid-state battery energy storage system and consists of a water storage device 8, a water pump 9, a water circulation pipeline 5, a main valve 10, a heating device 7 and a plurality of battery temperature sensors 6. The water storage device 8 stores circulating water and is used for ensuring the sufficiency of the circulating water of the system; the water pump 9 drives circulating water to flow in the water circulating pipeline 5, so that the heat of the water can be transferred to each solid battery monomer, and the stability of the temperature of the battery is ensured; the main valve 10 can control the flow rate of circulating water and has the function of opening and closing the circulating water; the water temperature sensor 11 is arranged in the water storage device 8 and used for monitoring the real-time temperature of the circulating water; the heating device 7 heats circulating water according to the temperature fed back by the battery temperature sensor 6, and the heating device 7 can be controlled by the solid-state battery management module 2; the water circulation pipeline 5 forms a circular loop in the energy storage system, and all pipelines are communicated with each other. The water circulation pipe 5 has good thermal conductivity, and ensures that heat in the circulating water can be effectively transferred to the solid-state battery. The water circulation pipeline 5 is in direct contact with the solid-state battery monomer through the inside of the battery, so that the water circulation pipeline 5 is ensured to be tightly connected with the battery, the efficiency of water circulation heat transfer is improved, and meanwhile, the sealing performance of the water circulation pipeline 5 and the sealing performance of the solid-state battery are ensured, because the solid-state battery has water sensitivity. In addition, since the water circulation pipe 5 needs to be in direct contact with the solid-state battery through the inside of the battery, the material of the water circulation pipe 5 cannot have electron conductivity, and the electron conductivity material can cause short circuit of the solid-state battery to directly cause battery failure.
The solid-state battery management module 2 monitors the temperature of the circulating water and each solid-state battery in real time, controls the water circulating system by controlling the opening and closing of the heating device 7 and the main valve 10, and keeps the solid-state batteries at a stable temperature. For example, the operation temperature of the sulfide solid-state battery can be controlled to be about 80 ℃, the temperature of the temperature sensor can be set to be 80 ℃, and the high-efficiency operation of the battery under constant temperature is ensured. Need wrap up thermal-insulated heat preservation in solid-state battery module 4 outside, keep warm to solid-state battery, reduce thermal loss, reduce whole energy storage system's energy consumption. The solid-state battery management module 2 can control the charge and discharge state of the solid-state battery according to the real-time temperature condition of the solid-state battery and the state of the remaining power of the battery.
Each solid-state battery module 4 is an independent system, has the characteristics of decentralized control, does not affect each other, greatly improves the safety, reliability and operating efficiency of the system, and has good expandability, stability and safety.
In the embodiments provided in the present application, the technical content disclosed mainly aims at a solid-state battery energy storage system capable of precisely controlling temperature, 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 disclosed in the present application, or equivalent structures or equivalent flow changes made by using the content of the present specification and the drawings, or directly or indirectly applied to other related technical fields, shall be covered within the scope of the present invention.
Claims (10)
1. The solid-state battery energy storage system capable of accurately controlling the temperature is characterized by comprising a DC-AC module (1), a solid-state battery management module (2), a DC-DC module (3), a solid-state battery module (4) and a temperature-adjusting water circulating system;
each solid-state battery module (4) 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 solid-state battery module (4) comprises a plurality of solid-state battery monomers, a plurality of battery temperature sensors (6) are arranged in the solid-state battery module (4), the battery temperature sensors (6) are connected with the solid-state battery management module (2), the temperature-adjusting water circulation system comprises a water circulation pipeline (5), and the water circulation pipeline (5) penetrates through all the solid-state battery monomers in the solid-state battery energy storage system.
2. The solid-state battery energy storage system capable of accurately controlling the temperature according to claim 1, wherein the temperature-controlled water circulation system further comprises a water storage device (8), a heating device (7) is arranged in the water storage device (8), and a water pump (9) and a main valve (10) are arranged on the water circulation pipeline (5).
3. The solid-state battery energy storage system capable of accurately controlling the temperature according to claim 2, wherein a water temperature sensor (11) is arranged in the water storage device (8).
4. The solid-state battery energy storage system capable of accurately controlling the temperature according to claim 1, wherein the water circulation pipeline (5) is connected with each solid-state battery cell in series in sequence.
5. The solid-state battery energy storage system capable of accurately controlling the temperature according to claim 1, wherein the water circulation pipeline (5) comprises a water delivery main pipe, a water return main pipe and a plurality of water delivery branch pipes, the water delivery main pipe is connected with a water outlet of the water storage device (8), the water delivery main pipe is respectively connected with each water delivery branch pipe, each water delivery branch pipe penetrates through all solid-state batteries in the corresponding solid-state battery module (4) and then is connected to the water return main pipe, the water return main pipe is connected with a water return port of the water storage device (8), and each water delivery branch pipe is provided with a branch valve.
6. The solid-state battery energy storage system capable of accurately controlling the temperature according to claim 1, wherein the solid-state battery module (4) and the water circulation pipeline (5) are coated with insulating layers.
7. The solid-state battery energy storage system capable of accurately controlling the temperature according to claim 1, wherein a through hole is formed in the solid-state battery cell, two ends of the through hole are respectively located at two ends of the solid-state battery cell, and the water circulation pipeline (5) is arranged in the through hole in a penetrating manner.
8. The solid-state battery energy storage system capable of accurately controlling the temperature according to claim 1, wherein a first through hole and a second through hole are respectively formed in two sides of an axis of the solid-state battery cell, the first through hole is parallel to the second through hole, and the water circulation pipeline (5) is arranged in the first through hole and the second through hole in a penetrating manner.
9. The solid-state battery energy storage system capable of accurately controlling the temperature according to claim 1, wherein an outer wall of the water circulation pipeline (5) is in close contact with an inner wall of the solid-state battery cell, the water circulation pipeline (5) is hermetically connected with the solid-state battery cell, and the water circulation pipeline (5) is a heat conduction silicon pipe.
10. The solid-state battery energy storage system capable of accurately controlling temperature according to claim 1, wherein the solid-state battery cell is an oxide solid-state battery cell, a sulfide solid-state battery cell or a polymer solid-state battery cell.
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CN106143203A (en) * | 2016-08-28 | 2016-11-23 | 安徽安凯汽车股份有限公司 | A kind of battery thermal management system being applicable to cold district pure electric coach |
CN208093699U (en) * | 2018-03-28 | 2018-11-13 | 北京新能源汽车股份有限公司 | Battery pack and vehicle with the battery pack |
CN109617106A (en) * | 2019-01-15 | 2019-04-12 | 中国华能集团清洁能源技术研究院有限公司 | A kind of distributing battery energy storage system |
CN211455791U (en) * | 2020-03-23 | 2020-09-08 | 中国华能集团清洁能源技术研究院有限公司 | High-safety distributed energy storage system of all-solid-state battery |
CN214672760U (en) * | 2021-05-12 | 2021-11-09 | 中国华能集团清洁能源技术研究院有限公司 | Solid-state battery energy storage system capable of accurately controlling temperature |
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