CN111740056B - Adsorption type battery thermal management system based on metal organic framework material - Google Patents
Adsorption type battery thermal management system based on metal organic framework material Download PDFInfo
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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
- H01M10/613—Cooling or keeping cold
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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
- H01M10/625—Vehicles
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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
- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
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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
- H01M10/6561—Gases
- H01M10/6562—Gases with free flow by convection only
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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
- H01M10/659—Means for temperature control structurally associated with the cells by heat storage or buffering, e.g. heat capacity or liquid-solid phase changes or transition
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention relates to an adsorption type battery thermal management system based on a metal organic framework material, which comprises a thermal management system shell internally provided with a battery pack, wherein the battery pack is composed of a plurality of storage batteries which are connected in series through metal conductors, an MOFs material layer is adhered to the outer surface of each storage battery, an inlet and outlet flow passage communicated with the external atmosphere is further processed on the thermal management system shell, and a rotary sealing door capable of being opened and closed is arranged at the inlet and outlet flow passage. Compared with the prior art, the invention is based on a passive heat management mode, does not consume extra battery energy, effectively improves the endurance capacity of the storage battery, adopts an open system design, fully utilizes the characteristic of higher relative humidity of outside air and air flow generated by normal running of a vehicle to finish the adsorption and desorption processes of MOFs materials, does not increase large parts such as a water tank, an evaporator, a fan and the like, and has simpler structure.
Description
Technical Field
The invention belongs to the technical field of electric vehicle storage battery thermal management, and relates to an adsorption type battery thermal management system based on a metal organic framework material.
Background
Since the end of the last century, environmental pollution and energy crisis have become two global problems, and the field of transportation that relies heavily on fossil energy is an important field that has led to the above problems. The appearance of the electric automobile provides a good opportunity for the field to get rid of the constraint of fossil energy, relieve the energy crisis and save energy and protect environment. According to statistics, the sales volume of global electric vehicles keeps about 50% increasing every year in 2013-2016, and reaches 774,000 in 2016. The rapid development of the storage battery is a key factor for ensuring the prosperity of the electric automobile industry, and data show that the global lithium battery yield is increased from 46.63GWH to 100.75GWH and the Chinese lithium battery yield is increased from 32.12GWH to 53.62GWH from 2011 to 2015. At present, the key factors hindering the further development of the electric automobile technology are the specific power, the calendar life, the cycle life, the charging time, the low-temperature working performance and the like of the storage battery. The optimal working temperature of the storage battery is 30-50 ℃, the influence of the temperature on the service life of the battery conforms to the Arrhenius equation, the degradation speed of the battery is increased by 1 time when the temperature is increased by 10 ℃, and compared with 23 ℃, the calendar service life of the battery at 55 ℃ is shortened by 95.6%; the electrolyte reaction is not facilitated when the temperature is too low, so that the working performance of the battery is influenced when the battery works at high/low temperatures for a long time.
Through the inquiry of the existing documents, the chinese patent application No. CN200910138651.6, "a cooling system for electric vehicles and a control method thereof," proposes an active cooling system based on water cooling, but needs to consume the electric quantity of a storage battery and additionally adds parts such as a water pump and a water tank. The Chinese patent application No. CN201810709507 'an electric vehicle battery thermal management system based on a phase-change material soaking and heat storage technology' provides a passive thermal management system based on a phase-change material, utilizes the melting heat absorption and solidification heat release characteristics of the phase-change material, effectively improves the temperature consistency of a battery monomer and a battery pack, and has high-temperature cooling and low-temperature heating functions.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an adsorption type battery thermal management system based on a metal organic framework material. The heat storage density which is 10 times higher than that of the phase-change material in the process of absorbing water vapor by the MOF material is utilized, and the extremely low-mass extremely-small space is used for meeting the requirement of heat management. Meanwhile, by utilizing the unique S-shaped isothermal adsorption characteristic and the structure-modifiable and adjustable characteristic of the MOF material, the developed MOF material can meet the requirement of water vapor regeneration in the adsorption air at room temperature and meet the requirement of repeated use.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides an absorption formula battery thermal management system based on metal organic framework material, is including the built-in thermal management system shell that has the group battery, the group battery comprises the battery that a plurality of passed through metallic conductor series connection, the surface paste of battery has the MOFs material layer, still processes the exit runner of having put through with external atmosphere on the thermal management system shell, but this exit runner department is provided with open closed rotatory sealing door.
Furthermore, the upper side and the lower side of the storage battery are adhered with heat conduction layers, and the MOFs material layer is arranged on the heat conduction layers.
Furthermore, the heat conducting layer is a heat conducting adhesive tape or heat conducting silicone grease.
Furthermore, an air flow channel is also reserved between two adjacent storage batteries in the battery pack.
Further, rotatory door that seals by opening/close unit control switching, open/close the unit and include two pairs of permanent magnets, auxiliary battery, swing motor, battery switch and with battery switch supporting two switch contacts, wherein, two pairs of permanent magnets distribute on same circle, and one of them is to arranging the upper and lower surface at exit runner along the vertical direction, and another is to arranging in exit runner department along the horizontal direction, has arranged in the central point position of two pairs of permanent magnets the swing motor, rotatory door that seals is connected in swing motor's pivot, auxiliary battery's two poles of the earth are connected respectively battery switch and swing motor, two switch contacts are connected respectively two pairs of permanent magnets.
Furthermore, the rotary sealing door is made of ferromagnetic materials, and the size and the shape of the rotary sealing door meet the following requirements: when the rotary sealing door rotates to the vertical position or the horizontal position respectively, two ends of the rotary sealing door are contacted with the two pairs of permanent magnets respectively.
Furthermore, a pair of permanent magnets arranged along the vertical direction are respectively arranged at the inner sides of the bending points on the upper surface and the lower surface of the inlet and outlet flow passage;
and a pair of permanent magnets arranged along the horizontal direction is parallel to the inlet and outlet flow passages.
Furthermore, the battery switch is also connected with an ECU of the automobile, and is controlled by the ECU to be in contact with the two switch contacts.
Furthermore, the surface of the auxiliary battery is wrapped with heat insulation cotton.
Furthermore, an air filter screen is arranged at the position of the inlet and outlet flow passage.
Further, the MOFs material layer is made of MIL-101 or a derivative thereof.
According to the invention, the potential heat management value of the MOFs material is discovered by analyzing the adsorption balance characteristic of the MOFs material on water vapor. Taking chromium terephthalate (MIL-101) as an example, the chromium terephthalate has S-type adsorption equilibrium characteristics to water vapor, and the characteristics are as follows: under the working condition of lower than 30% relative humidity, the MIL-101(Cr) has extremely low adsorption quantity to water vapor; under the working condition of 30-60% relative humidity, the adsorption quantity of MIL-101(Cr) to water vapor is rapidly increased to be close to saturation; under the working condition of relative humidity of more than 60%, MIL-101(Cr) can adsorb water vapor to reach saturation of 1.3 g/g. In addition, the heat storage density of MIL-101(Cr) for absorbing water vapor is 25,00kJ/kg and is far higher than 244kJ/kg of paraffin, the working temperature of the battery can be stabilized below 45 ℃ under the working condition in summer, and the battery can be preheated to 15 ℃ under the working condition in winter.
The battery thermal management system can realize two functions according to the working conditions in different seasons: when the temperature is higher in summer, the MOFs material desorption process is utilized to provide refrigeration for the battery; when the temperature is lower in winter, the MOFs material adsorption process is utilized to provide the required heat for the starting of the battery.
When the material is in the adsorption stage, outside air enters the thermal management system through the filter screen and the rotary sealing door, and when the relative humidity reaches 50%, the MOFs material can adsorb a large amount of water vapor. According to statistics, the annual month relative humidity of tropical zone, subtropical zone and partial temperate zone is greater than 50%, the annual month average relative humidity of Shanghai is greater than 60%, the annual month average relative humidity of Singapore is 60%, and the Guangzhou month average relative humidity is 50%, so that the adopted MIL-101(Cr) can realize water vapor adsorption under the annual natural working condition.
When the material is in a desorption stage, the MOFs material absorbs heat generated by the storage battery and has an inverted S-shaped desorption characteristic, and the specific expression is as follows: the temperature of the storage battery is below the MOFs desorption temperature, the MOFs material is not desorbed, and the battery generates heat and is heated; the temperature of the storage battery is higher than the desorption temperature, and the MOFs material is quickly desorbed to take away the heat generated by the storage battery and maintain the temperature of the storage battery at the MOFs characteristic temperature. The characteristic temperature of MOFs is related to the absolute pressure of the water vapor in the environment, and experimental data show that: the absolute pressures of 5000Pa, 4000Pa and 3000Pa steam respectively correspond to the characteristic temperatures of the MOFs, namely 50 ℃, 46 ℃ and 41 ℃. The water vapor desorbed by the MOFs at the characteristic temperature is taken away by flowing air, the flowing air is formed by the relative flow of external air in a thermal management system when a vehicle runs at a high speed, and the external air sequentially passes through a front end filter screen (namely an air filter screen), the MOFs material and a rear end filter screen.
Compared with the prior art, the invention has the following advantages:
firstly, a passive heat management mode is adopted, the defect that battery energy is additionally consumed in active cooling modes such as water cooling, air cooling and the like in the prior art is overcome, and the cruising ability of the storage battery is improved.
Secondly, the invention adopts an open structure, realizes the adsorption of MOFs by using external air, generates flowing air by using the normal running of a vehicle, does not increase extra large parts such as a fan and the like, and reduces the consumption of materials.
Thirdly, the novel thermal management materials MOFs are used as thermal management materials, and the defect that the energy storage density of phase change materials is low in the existing passive thermal management mode is overcome. Under the working condition of summer, the MOF with the mass of 1.84% of that of the battery can be used for realizing the complete absorption of the heat generated by the battery. Under the working condition in winter, the characteristic of rapid reaction in the adsorption process of the MOF material is utilized to realize rapid preheating of the battery. Thereby realizing annual battery thermal management.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a diagram of an adsorption preheating mode under winter conditions;
FIG. 3 is a diagram of a desorption and heat dissipation mode under summer working conditions;
the notation in the figure is:
the heat management system comprises a heat management system shell 1, an air filter screen 2, a battery 3, a heat conduction adhesive tape 4, an MOFs material layer 5, a metal conductor 6, an air flow channel 7, a permanent magnet I8, a permanent magnet II 9, a permanent magnet III 10, a permanent magnet IV 11, a rotary motor 12, a rotary sealing door 13, heat preservation cotton 14, a battery switch 15, a switch contact I16 and a switch contact II 17.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
In the following embodiments, the rest of the materials or the structures of functional components, which are not specifically described, are all conventional materials in the art and are commercially available or conventional structures for realizing the corresponding functions.
The invention provides an adsorption type battery thermal management system based on a metal organic framework material, which is structurally shown in figure 1 and comprises a thermal management system shell 1 internally provided with a battery pack 3, wherein the battery pack 3 is composed of a plurality of battery packs 3 connected in series through metal conductors 6, an MOFs material layer 5 is adhered to the outer surface of each battery, an inlet and outlet flow passage communicated with the external atmosphere is further processed on the thermal management system shell 1, and an openable rotary sealing door 13 is arranged at the inlet and outlet flow passage.
In a specific embodiment of the present invention, heat conductive layers are bonded to the upper and lower sides of the battery, and the MOFs material layers 5 are disposed on the heat conductive layers.
In a more specific embodiment, the heat conducting layer is a heat conducting adhesive tape 4 or heat conducting silicone grease.
In a specific embodiment of the present invention, an air flow channel 7 is further left between two adjacent storage batteries in the battery pack 3.
In a specific embodiment of the present invention, the rotary sealing door 13 is controlled to be opened and closed by an opening/closing unit, the opening/closing unit includes two pairs of permanent magnets, an auxiliary battery, a rotary motor 12, a battery switch 15, and two switch contacts matched with the battery switch 15, wherein the two pairs of permanent magnets are distributed on the same circle, one pair of permanent magnets is arranged on the upper and lower surfaces of the inlet and outlet flow passage along the vertical direction, the other pair of permanent magnets is arranged at the inlet and outlet flow passage along the horizontal direction, the rotary motor 12 is arranged at the central point position of the two pairs of permanent magnets, the rotary sealing door 13 is connected to the rotating shaft of the rotary motor 12, the two poles of the auxiliary battery are respectively connected to the battery switch 15 and the rotary motor 12, and the two switch contacts are respectively connected to the two pairs of permanent magnets.
In a more specific embodiment, the rotary door 13 is made of ferromagnetic material, and has a size and a shape satisfying: when the rotary sealing door 13 is respectively rotated to a vertical position or a horizontal position, two ends of the rotary sealing door are respectively contacted with two pairs of permanent magnets.
In a more specific embodiment, a pair of permanent magnets arranged along the vertical direction are respectively arranged at the inner sides of the bending points of the upper surface and the lower surface of the inlet/outlet flow passage;
and a pair of permanent magnets arranged along the horizontal direction is parallel to the inlet and outlet flow passages.
In a more specific embodiment, the battery switch 15 is also connected to the ECU of the automobile and is controlled by the ECU to contact with two switch contacts.
In a more specific embodiment, the surface of the auxiliary battery is wrapped with heat insulation cotton 14.
In a specific embodiment of the present invention, an air screen 2 is further disposed at the inlet/outlet flow passage.
In a specific embodiment of the present invention, the material used for the MOFs material layer 5 is MIL-101 or a derivative thereof.
In the above embodiments, any one may be implemented alone, or any two or more may be implemented in combination.
The above embodiments will be further described with reference to specific examples.
Example 1:
the adsorption type battery thermal management system for metal organic framework Materials (MOFs) provided in this embodiment, as shown in fig. 1, includes: the heat management system comprises a heat management system shell 1, an air filter screen 2, a battery pack 3, a heat conduction adhesive tape 4, an MOFs material layer 5, a metal conductor 6 (preferably a copper conductor in the embodiment), an air flow channel 7, a first permanent magnet 8, a second permanent magnet 9, a third permanent magnet 10, a fourth permanent magnet 11, a rotary motor 12, a rotary sealing door 13 made of a ferromagnetic material, heat preservation cotton 14, a battery switch 15, a first switch contact 16 and a second switch contact 17. Wherein the air filter screen 2 is arranged at the inlet and outlet flow passage of the thermal management system shell 1, the MOFs material layer 5 is adhered on the heat conducting adhesive tape 4, the heat conducting adhesive tape 4 is adhered on the upper and lower side surfaces of the storage battery 3, the air flow passage 7 is reserved between the batteries, the metal conductor 6 is sequentially connected with the anode and the cathode of the adjacent batteries, the permanent magnet I8 is arranged at the middle position of the windward end and the leeward end of the battery pack 3, the permanent magnet II 9 is arranged at the inner side of the bending point of the inlet and outlet pipeline of the thermal management system shell 1, the permanent magnet III 10 is arranged at the middle position of the inlet and outlet of the thermal management system shell 1 and horizontally opposite to the permanent magnet I8, the permanent magnet IV 11 is arranged at the inner side of the bending point of the inlet and outlet pipeline of the thermal management system shell 1 and vertically opposite to the permanent magnet II 9, the rotary motor 12 is arranged at the central position of the circle where the permanent magnet I8, the permanent magnet II 9, the permanent magnet III 10 and the permanent magnet IV 11 are located and connected with the cathode of the auxiliary battery, the rotary sealing door 13 is sleeved on a rotating shaft of the rotary motor 12, the heat insulation cotton 14 wraps the outer surface of the auxiliary battery, the battery switch 15 is connected with the positive electrode of the auxiliary battery, the switch contact I16 is connected with the permanent magnet II 9, and the switch contact II 17 is connected with the permanent magnet III 10.
When the embodiment works, the specific implementation process is as follows:
working conditions in winter: based on the system adsorption phase (fig. 2), this condition involves two processes: (1) MOFs thermal management preheating process: at this stage, the storage battery does not work, the rotary sealing door 13 is in a closed state (namely, two ends of the rotary sealing door 13 are respectively contacted with the permanent magnet II 9 and the permanent magnet IV 11), an automobile Electronic Control Unit (ECU) sends out an instruction for opening the thermal management system, the battery switch 15 is connected with the switch contact I16, so that a power supply circuit between the auxiliary battery and the rotary motor 12 is connected, the rotary motor 12 is electrified and rotates, the rotary sealing door 13 made of ferromagnetic materials rotates along with the rotary sealing door 13, the rotary sealing door 13 is disconnected with the permanent magnet II 9 and the permanent magnet IV 11, the rotary motor 12 is powered off, the rotary sealing door 13 rotates along with the inertia of the rotary motor 12 and is attracted by the permanent magnet I8 and the permanent magnet III 10 and fixed at a position parallel to an inlet/outlet flow passage, the thermal management system is opened, external air enters the thermal management system through the air filter screens 2 at two sides in a natural convection mode, and the MOFs material layer 5 fully adsorbs water vapor in the air, latent heat is released, preheating is provided for the battery pack 3, after preheating is finished, the ECU sends a command for closing the thermal management system, the battery switch 15 is switched to be connected with the switch contact II 17, the rotary motor 12 is powered on to rotate, the rotary sealing door 13 rotates along with the rotary switch, the permanent magnet I8 and the permanent magnet III 10 are disconnected, the rotary motor 12 is powered off, the rotary sealing door 13 rotates along with the inertia of the rotary motor 12, is attracted by the permanent magnet II 9 and the permanent magnet IV 11 and is fixed at a position vertical to an inlet and outlet flow passage, the thermal management system is closed, and the battery is ready to work. (2) The desorption and regeneration process of the MOF material comprises the following steps: the vehicle stops, and group battery 3 fills soon at the charging station and produces a large amount of heats, and MOFs material layer 5 absorbs the heat of battery process of filling soon, and rotatory door 13 that seals is opened all the time under this operating mode, and thermal management system and external intercommunication, the desorption regeneration is accomplished to the MOFs after the battery fills soon, and rotatory door 13 that seals is closed, and the MOFs material keeps apart with external, opens when waiting to preheat next time.
Summer working condition: based on the system desorption phase (fig. 3), this condition involves two processes: (1) the working process of thermal management and temperature control comprises the following steps: the vehicle starts, the battery pack 3 works, the MOFs material layer 5 absorbs heat generated by the battery pack 3, the temperature rises, water molecules are separated from MOFs adsorption sites and are continuously desorbed, and the vehicle normally runs in a thermal management system to form a flow field and take away water vapor on the surface of the MOFs thin layer. Under the working condition, the rotary sealing door 13 is always opened, and the thermal management system is communicated with the outside. (2) The MOF material adsorption regeneration process comprises the following steps: when the battery pack 3 does not work, the ECU sends a command for opening the thermal management system, the battery switch 15 is connected with the switch contact I16, the rotary motor 12 is electrified and rotates, the rotary sealing door 13 rotates along with the rotary switch and is disconnected with the permanent magnet II 9 and the permanent magnet IV 11, the rotary motor 12 is powered off, the rotary sealing door 13 rotates along with the inertia of the rotary motor 12, the rotary sealing door is attracted by the permanent magnet I8 and the permanent magnet III 10 and is fixed at the position of a parallel flow channel, the thermal management system is opened, external air enters the thermal management system through the air filter screens 2 on the two sides in a natural convection mode, and the MOFs material layer 5 completes the adsorption process;
therefore, the invention can meet the requirements of temperature control in summer and preheating in winter of the vehicle storage battery by utilizing the adsorption and desorption characteristics of MOFs. A passive heat management mode is adopted, so that extra electric quantity is not consumed, and the battery endurance is improved; the MOFs material is adsorbed by using water vapor with high heat storage density, and the heat management requirement is met only by extremely low mass and extremely small space; by using the open system, no large part is additionally arranged, so that the structure is simplified.
The MOFs material used in this example was MIL-101 (Cr).
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (8)
1. An adsorption type battery thermal management system based on a metal organic framework material is characterized by comprising a thermal management system shell internally provided with a battery pack, wherein the battery pack is composed of a plurality of storage batteries connected in series through metal conductors, an MOFs material layer is adhered to the outer surface of each storage battery, an inlet and outlet flow passage communicated with the external atmosphere is further processed on the thermal management system shell, and an openable rotary sealing door is arranged at the inlet and outlet flow passage;
in the battery pack, an air flow channel is also reserved between two adjacent storage batteries;
the rotatory door that seals by opening/close unit control switching, open/close the unit and include two pairs of permanent magnets, auxiliary battery, swing motor, battery switch and with battery switch supporting two switch contacts, wherein, two pairs of permanent magnets distribute on same circle, and one of them is to arranging the upper and lower surface at exit runner along the vertical direction, and another is to arranging in exit runner department along the horizontal direction, has arranged in the central point position of two pairs of permanent magnets the swing motor, rotatory door that seals is connected in swing motor's pivot, the two poles of the earth of auxiliary battery connect respectively battery switch and swing motor, two switch contacts connect respectively two pairs of permanent magnets.
2. The adsorptive battery thermal management system based on metal-organic framework material according to claim 1, wherein heat conducting layers are adhered to the upper and lower sides of the storage battery, and the MOFs material layer is arranged on the heat conducting layers.
3. The adsorptive battery thermal management system based on metal-organic framework material according to claim 2, wherein the heat conducting layer is a heat conducting adhesive tape or a heat conducting silicone grease.
4. The adsorption type battery thermal management system based on the metal-organic framework material as claimed in claim 1, wherein the rotary sealing door is made of a ferromagnetic material, and the size and the shape of the rotary sealing door meet the following requirements: when the rotary sealing door rotates to the vertical position or the horizontal position respectively, two ends of the rotary sealing door are contacted with the two pairs of permanent magnets respectively.
5. The adsorption type battery thermal management system based on the metal organic framework material as claimed in claim 1, wherein a pair of permanent magnets arranged along a vertical direction are respectively arranged at the inner sides of bending points on the upper surface and the lower surface of an inlet/outlet flow passage;
and a pair of permanent magnets arranged along the horizontal direction is parallel to the inlet and outlet flow passages.
6. The adsorption type battery thermal management system based on the metal-organic framework material is characterized in that the battery switch is also connected with an ECU of an automobile, and the ECU controls the battery switch to be in contact with two switch contacts.
7. The adsorption type battery thermal management system based on metal-organic framework material as claimed in claim 1, wherein an air screen is further disposed at the inlet/outlet flow passage.
8. The adsorptive battery thermal management system based on metal-organic framework material according to claim 1, wherein the MOFs material layer is MIL-101 or its derivative.
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| CN112492839B (en) * | 2020-11-09 | 2021-09-28 | 西北工业大学 | Heating and dehumidifying device and method for filling MOFs material in airborne display controller |
| CN115009524B (en) * | 2022-07-17 | 2023-11-17 | 西北工业大学 | Solar aircraft thermal control system and method based on normal running state |
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