CN111649610B - Porous medium heat exchange device and system - Google Patents
Porous medium heat exchange device and system Download PDFInfo
- Publication number
- CN111649610B CN111649610B CN202010567957.XA CN202010567957A CN111649610B CN 111649610 B CN111649610 B CN 111649610B CN 202010567957 A CN202010567957 A CN 202010567957A CN 111649610 B CN111649610 B CN 111649610B
- Authority
- CN
- China
- Prior art keywords
- heat pipe
- heat
- sheet
- heat exchange
- exchange device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D17/00—Regenerative heat-exchange apparatus in which a stationary intermediate heat-transfer medium or body is contacted successively by each heat-exchange medium, e.g. using granular particles
- F28D17/02—Regenerative heat-exchange apparatus in which a stationary intermediate heat-transfer medium or body is contacted successively by each heat-exchange medium, e.g. using granular particles using rigid bodies, e.g. of porous material
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/0005—Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions, e.g. for hydrogen storage purposes ; Reversible gettering of hydrogen; Reversible uptake of hydrogen by electrodes
- C01B3/001—Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions, e.g. for hydrogen storage purposes ; Reversible gettering of hydrogen; Reversible uptake of hydrogen by electrodes characterised by the uptaking medium; Treatment thereof
- C01B3/0031—Intermetallic compounds; Metal alloys; Treatment thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention discloses a porous medium heat exchange device and a system, which are used for solving the problem of low efficiency of the existing convection heat exchange, and the heat exchange device comprises: a plurality of sheet-shaped heat pipes are arranged at intervals, and porous hydrogen storage alloy is arranged between every two adjacent sheet-shaped heat pipes; each sheet-shaped heat pipe is provided with a circulation hole; the circulation holes on the adjacent sheet-shaped heat pipes are arranged in a staggered mode, the circulation hole of the previous sheet-shaped heat pipe corresponds to the centers of the circulation holes of the next sheet-shaped heat pipe and is arranged in a reciprocating mode in such a way that the center is a through hole, the circulation hole of each sheet-shaped heat pipe corresponds to one through hole of the adjacent sheet-shaped heat pipe, and the distance between the circulation hole and the through hole is the shortest distance in space. The heat exchange system comprises the heat exchange device, a fan, a second heat pipe and a first heat pipe, wherein the second heat pipe and the first heat pipe are connected with the fan and the heat exchange device; a medium inlet is arranged on the first heat pipe, and a medium outlet is arranged on the second heat pipe; the first heat pipe and the second heat pipe are both immersed in the heat-conducting medium, and the medium inlet and the medium outlet are arranged away from the heat-conducting medium.
Description
Technical Field
The invention relates to a porous medium heat exchange device and a porous medium heat exchange system, which can be used for solving the problem of low efficiency of the conventional convection heat exchange and belong to the technical field of hydrogenation or dehydrogenation.
Background
In the prior art, in order to increase the hydrogen storage capacity, the metal alloy hydrogen storage material used in the hydrogen storage process is mostly in a powdery porous form, and the larger the surface area is, the larger the hydrogen storage capacity is. Heat is generated in the hydrogen storage process, the generated heat causes the temperature to rise, and the temperature rise can reduce the hydrogen storage capacity, so the hydrogen storage process generally adopts the pressurization and temperature reduction for storing hydrogen; in the hydrogen releasing process, since heat is consumed to increase the activation energy of hydrogen element, thereby getting rid of the constraint of hydrogen storage alloy, the hydrogen releasing process is generally heating and reducing pressure to release hydrogen.
Generally, heat exchange during hydrogen storage involves a total of three modes: conduction, convection or radiation; because the temperature in the hydrogen storage and hydrogen release processes can not reach too high (not more than 500 ℃), the porous medium (hydrogen storage alloy) is difficult to be heated or cooled by increasing the radiation heat exchange mode; in addition, since the porous medium has a gas phase and a solid phase alternately, the thermal conductivity is low, and the conduction effect is also poor. However, the existing heat exchange method by convection has low heat exchange efficiency, so that the hydrogen storage efficiency is low.
Disclosure of Invention
The invention aims to provide a porous medium heat exchange device and a porous medium heat exchange system, which solve the problem of low convection heat exchange efficiency in the prior art and improve the hydrogen storage efficiency.
The technical solution of the invention is as follows:
a porous media heat exchange device comprising: a plurality of sheet heat pipes which are arranged at intervals, wherein porous hydrogen storage alloy is arranged between every two adjacent sheet heat pipes;
each sheet-shaped heat pipe is provided with a circulation hole;
the circulation holes on the adjacent sheet-shaped heat pipes are arranged in a staggered mode, the circulation hole of the previous sheet-shaped heat pipe corresponds to the centers of the circulation holes of the next sheet-shaped heat pipe and is arranged in a reciprocating mode in such a way that the center is a through hole, the circulation hole of each sheet-shaped heat pipe corresponds to one through hole of the adjacent sheet-shaped heat pipe, and the distance between the circulation hole and the through hole is the shortest distance in space.
Preferably, the number of the flow holes of the first sheet heat pipe is equal to the number of the through holes of the second sheet heat pipe.
Preferably, the upper part of each sheet heat pipe extends out of the top surface of the heat exchange device.
Preferably, the lower part of each sheet heat pipe extends out of the bottom surface of the heat exchange device.
Preferably, the sheet heat pipe is a plate heat pipe.
A porous medium heat exchange system comprises the porous medium heat exchange device and a fan, wherein a second heat pipe and a first heat pipe are respectively connected between the porous medium heat exchange device and the fan according to the clockwise flow direction of gas; a medium inlet is formed in the first heat pipe, and a medium outlet is formed in the second heat pipe;
the first heat pipe and the second heat pipe are both immersed in a heat-conducting medium, and the medium inlet and the medium outlet are arranged away from the heat-conducting medium.
Preferably, the first heat pipe is connected with the top of the porous medium heat exchange device and the top of the fan, and the second heat pipe is connected with the bottom of the porous medium heat exchange device and the bottom of the fan.
Preferably, the first heat pipe and the second heat pipe each include a smooth pipe having no bent angle in a channel for medium circulation.
Compared with the prior art, the invention has the following advantages:
(1) the problems of poor convection length, small heat quantity, small area and small heat exchange coefficient of a rod-shaped heat pipe in the prior art can be solved by adopting the sheet heat pipe or the plate heat pipe;
(2) on the premise that circulation holes of the sheet-shaped heat pipes or the plate-type heat pipes are arranged in a staggered mode, a plurality of centers are arranged on the second sheet-shaped heat pipe, and each center corresponds to a through hole, so that a mode that a medium exchanges heat through the shortest distance can be realized when the medium circulates, and the heat exchange efficiency is improved;
(3) taking 5 sheet heat pipes as an example, the first sheet and the third sheet have the same structure, and the second sheet and the fourth sheet have the same structure, so that each heat pipe of the previous sheet heat pipe can be matched with the central through hole of the next sheet heat pipe, which is located at each center, and the shortest convection path can be obtained, thereby increasing the convection efficiency.
Drawings
FIG. 1 is a schematic structural diagram (I) of a porous medium heat exchange device of the present invention;
FIG. 2 is a single-sheet heat pipe of the porous medium heat exchange device of the present invention;
FIG. 3 is a schematic diagram of the original structure of a porous medium heat exchange device of the prior art in accordance with the present invention;
FIG. 4 is a schematic structural diagram of a porous medium heat exchange device according to the present invention (II);
FIG. 5 is a schematic structural diagram (III) of a porous medium heat exchange device of the present invention;
FIG. 6 is a schematic structural diagram of a porous medium heat exchange system of the present invention.
Reference numerals:
1-porous hydrogen storage alloy; 2-plate type heat pipes; 3-a heat exchange system;
21-a first sheet; 22-a second sheet; 23-a third sheet; 24-a fourth tablet;
31-a fan; 32-a first heat pipe; 33-a second heat pipe; 34-heat exchange means;
321-a media inlet; 331-medium outlet.
Detailed Description
Examples
The invention provides a scheme of a porous medium heat exchange device and a system, which comprises the following specific steps:
a porous media heat exchange device 34, as shown in fig. 1-5, comprising: a plurality of sheet heat pipes which are arranged at intervals, wherein a porous hydrogen storage alloy 1 is arranged between every two adjacent sheet heat pipes; each sheet-shaped heat pipe is provided with a circulation hole; the circulation holes of the adjacent sheet-shaped heat pipes are arranged in a staggered manner, the circulation hole of the previous sheet-shaped heat pipe corresponds to the centers of the plurality of circulation holes of the next sheet-shaped heat pipe, and the sheet-shaped heat pipes are arranged in a reciprocating manner, as shown in fig. 4, the centers are through holes (a ', b ', c ' of the second sheet 22 are all through holes with central positions and respectively correspond to the circulation holes a, b, c of the first sheet 21), the circulation hole of each sheet-shaped heat pipe corresponds to one through hole of the adjacent sheet-shaped heat pipe, the distance between the circulation hole and the through hole is the shortest distance in space, and the shortest distance is set in order to consider the maximization of the convection efficiency.
Note that, as shown in fig. 3, the first sheet 21 has the same structure as the third sheet 23, and the second sheet 22 has the same structure as the fourth sheet 24.
Alternatively, the number of the flow holes of the first sheet heat pipe is the same as the number of the through holes of the second sheet heat pipe.
An alternative to this embodiment is that the upper portion of each sheet heat pipe protrudes above the top surface of the heat exchange device 34 so that the protruding portion can be immersed in the low temperature thermal oil.
Alternatively to this embodiment, the lower portion of each sheet heat pipe protrudes from the bottom surface of the heat exchanging device 34 so that the protruding portion is immersed in the high-temperature conduction oil.
An alternative to this embodiment is that the sheet heat pipe is a plate heat pipe 2.
The scheme of adopting the sheet heat pipe or the plate type heat pipe 2 is to improve the convection length in the heat exchange process, and compared with the rod-shaped heat pipe in the prior art, the sheet heat pipe and the plate type heat pipe 2 have the advantages of large heat quantity, large area and higher heat exchange coefficient.
The porous medium heat exchange system 3 provided by the invention comprises the porous medium heat exchange device 34 and a fan 31, wherein the air volume of the fan 31 is several times or dozens of times of the hydrogen storage air volume or the hydrogen release air volume, even higher times, and the multiple arrangement of the fan 31 is used for increasing the air flow, enhancing the heat exchange and improving the convection heat exchange efficiency, thereby greatly increasing the hydrogen storage efficiency; a second heat pipe 33 and a first heat pipe 32 are respectively connected between the porous medium heat exchange device 34 and the fan 31 according to the clockwise flow direction of the gas; the first heat pipe 32 is provided with a medium inlet 321 (i.e., a hydrogen inlet), and the second heat pipe 33 is provided with a medium outlet 331 (i.e., a hydrogen outlet); the first heat pipe 32 and the second heat pipe 33 are both immersed in the heat transfer medium, and the medium inlet 321 and the medium outlet 331 are disposed apart from the heat transfer medium, preferably, the heat pipe protruding from the upper portion is immersed in the heat transfer oil, and the heat pipe protruding from the lower portion is also immersed in the heat transfer oil; that is, the parts of the first heat pipe 32 and the second heat pipe 33 extending out of the heat exchanging device 34 are immersed in the heat conducting oil.
It should be noted that, when the porous medium heat exchange system 3 of the present embodiment is applied, the through holes arranged at the center are mainly used to realize the linear convection of the medium, so as to accelerate the convection efficiency, wherein, the through holes located at different centers are in one-to-one convection with the circulation hole of the previous corresponding sheet heat pipe, so as to realize the convection at the shortest distance and increase the convection efficiency; specifically, during hydrogen storage, the upper heat pipe (i.e., the first heat pipe 32) introduces low-temperature heat conducting oil (low temperature means lower than the hydrogen storage temperature), so that the heat pipe forms a low-temperature region to take away heat released by the hydrogen storage. When hydrogen is released, the lower heat pipe (i.e., the second heat pipe 33) introduces high temperature heat transfer oil (high temperature means higher than the hydrogen release temperature), so that the heat pipe forms a high temperature region to increase the temperature of the stored hydrogen element, thereby increasing the hydrogen release efficiency.
As shown in fig. 3, which is a convection mode in the prior art, it can be directly seen that the convection path is long; as shown in fig. 4, on the basis of the prior art, the arrangement of the through hole at the center is added, and the line segment between two points is shortest, namely the convection path is shortest, so that the convection speed is increased, and the heat exchange efficiency is improved.
Alternatively, as shown in fig. 6, the first heat pipe 32 connects the top of the porous medium heat exchanger 34 with the top of the fan 31, and the second heat pipe 33 connects the bottom of the porous medium heat exchanger 34 with the bottom of the fan 31; with such a sequential connection, and the first heat pipe 32 and the second heat pipe 33 are separated by the fan 31, the first heat pipe 32 and the second heat pipe 33 can achieve different functions, i.e., the first heat pipe 32 is used for the hydrogen storage process, and the second heat pipe 33 is used for the hydrogen release process.
An alternative of this embodiment is that each of the first heat pipe 32 and the second heat pipe 33 includes a smooth pipe, and there is no bending angle in the channel of the smooth pipe for medium circulation, and a structural arrangement without a bending angle in the channel is adopted, so that the resistance value in the medium circulation process in the channel can be minimized, and the convection efficiency is increased on the other hand.
Adopt the porous medium heat transfer device 34 and the system of this embodiment, can improve heat exchange efficiency through the convection current mode, realize the effect through following mode: the sheet heat pipe or the plate heat pipe 2 is adopted, so that the problems of poor convection length, small heat, small area and small heat exchange coefficient of a rod-shaped heat pipe in the prior art can be solved; on the premise that the circulation holes of the sheet-shaped heat pipe or the plate-type heat pipe 2 are arranged in a staggered manner, a plurality of centers are arranged on the second sheet-shaped heat pipe, and each center is corresponding to a through hole, so that when a medium circulates, the medium can exchange heat in the shortest distance, and the heat exchange efficiency is improved; taking 5 sheet heat pipes as an example, wherein the first sheet 21 and the third sheet 23 have the same structure, and the second sheet 22 and the fourth sheet 24 have the same structure, it can be ensured that each heat pipe of the previous sheet heat pipe can be matched with the central through hole of the next sheet heat pipe located at each center, the shortest convection path can be obtained, and thus the convection efficiency is increased.
The present invention has not been described in detail as is known to those skilled in the art.
Claims (7)
1. A porous medium heat exchange device, comprising: a plurality of sheet heat pipes which are arranged at intervals, wherein porous hydrogen storage alloy is arranged between every two adjacent sheet heat pipes;
each sheet-shaped heat pipe is provided with a circulation hole;
the circulation holes on the adjacent sheet-shaped heat pipes are arranged in a staggered manner, and the circulation hole of the previous sheet-shaped heat pipe corresponds to the centers of the plurality of circulation holes of the next sheet-shaped heat pipe and is arranged in a reciprocating manner;
the number of the circulation holes of the first sheet-shaped heat pipe is the same as the number of the through holes of the third sheet-shaped heat pipe.
2. The porous medium heat exchange device of claim 1, wherein the upper portion of each sheet heat pipe extends out of the top surface of the heat exchange device.
3. The porous medium heat exchange device according to claim 1, wherein the lower portion of each sheet heat pipe extends out of the bottom surface of the heat exchange device.
4. The porous medium heat exchange device according to any one of claims 1 to 3, wherein the sheet heat pipe is a plate heat pipe.
5. A porous medium heat exchange system is characterized by comprising the porous medium heat exchange device of any one of claims 1 to 4 and a fan, wherein a second heat pipe and a first heat pipe are respectively connected between the porous medium heat exchange device and the fan according to the clockwise flow direction of gas; a medium inlet is formed in the first heat pipe, and a medium outlet is formed in the second heat pipe;
the first heat pipe and the second heat pipe are both immersed in a heat-conducting medium, and the medium inlet and the medium outlet are arranged away from the heat-conducting medium.
6. The porous medium heat exchange system of claim 5, wherein the first heat pipe connects the top of the porous medium heat exchange device with the top of the fan, and the second heat pipe connects the bottom of the porous medium heat exchange device with the bottom of the fan.
7. The porous medium heat exchange system of claim 5, wherein the first heat pipe and the second heat pipe each comprise a smooth pipe having no bend angle in the channels for medium circulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010567957.XA CN111649610B (en) | 2020-06-19 | 2020-06-19 | Porous medium heat exchange device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010567957.XA CN111649610B (en) | 2020-06-19 | 2020-06-19 | Porous medium heat exchange device and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111649610A CN111649610A (en) | 2020-09-11 |
| CN111649610B true CN111649610B (en) | 2022-04-15 |
Family
ID=72351680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010567957.XA Active CN111649610B (en) | 2020-06-19 | 2020-06-19 | Porous medium heat exchange device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111649610B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5050667A (en) * | 1990-05-15 | 1991-09-24 | Erling Berner | Air ventilation and heat exchange apparatus |
| CN1430010A (en) * | 2001-12-30 | 2003-07-16 | 哈尔滨工业大学 | Thermal storage type high efficiency hydrogen storage apparatus used for magnesium base hydrogen storage material |
| KR20050007029A (en) * | 2003-07-11 | 2005-01-17 | 전봉경 | A Heat Exchanging Device Using A Hydrogen Storage Metallic Alloy And A Heat Pipe |
| CN101245895A (en) * | 2008-03-21 | 2008-08-20 | 济南三和绿能科技有限公司 | Solid hydrogen storing device |
| CN104295448A (en) * | 2014-09-23 | 2015-01-21 | 熊凌云 | All-weather clean energy comprehensive electricity generating and energy saving method and facility manufacturing method thereof |
| CN204805946U (en) * | 2015-04-15 | 2015-11-25 | 石家庄安瑞科气体机械有限公司 | Solid -state high pressure mixes hydrogen storage apparatus |
| CN205425912U (en) * | 2015-09-24 | 2016-08-03 | 广州建田新能源科技有限公司 | High -efficient heat recovery unit of superconductive circulation path of forming machine |
| CN107917554A (en) * | 2017-11-28 | 2018-04-17 | 中国科学院理化技术研究所 | Flat-plate heat pipe expanded type condensing unit |
| CN110542015A (en) * | 2019-07-29 | 2019-12-06 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Enhanced heat exchange alloy hydrogen storage tank |
-
2020
- 2020-06-19 CN CN202010567957.XA patent/CN111649610B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5050667A (en) * | 1990-05-15 | 1991-09-24 | Erling Berner | Air ventilation and heat exchange apparatus |
| CN1430010A (en) * | 2001-12-30 | 2003-07-16 | 哈尔滨工业大学 | Thermal storage type high efficiency hydrogen storage apparatus used for magnesium base hydrogen storage material |
| KR20050007029A (en) * | 2003-07-11 | 2005-01-17 | 전봉경 | A Heat Exchanging Device Using A Hydrogen Storage Metallic Alloy And A Heat Pipe |
| CN101245895A (en) * | 2008-03-21 | 2008-08-20 | 济南三和绿能科技有限公司 | Solid hydrogen storing device |
| CN104295448A (en) * | 2014-09-23 | 2015-01-21 | 熊凌云 | All-weather clean energy comprehensive electricity generating and energy saving method and facility manufacturing method thereof |
| CN204805946U (en) * | 2015-04-15 | 2015-11-25 | 石家庄安瑞科气体机械有限公司 | Solid -state high pressure mixes hydrogen storage apparatus |
| CN205425912U (en) * | 2015-09-24 | 2016-08-03 | 广州建田新能源科技有限公司 | High -efficient heat recovery unit of superconductive circulation path of forming machine |
| CN107917554A (en) * | 2017-11-28 | 2018-04-17 | 中国科学院理化技术研究所 | Flat-plate heat pipe expanded type condensing unit |
| CN110542015A (en) * | 2019-07-29 | 2019-12-06 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Enhanced heat exchange alloy hydrogen storage tank |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111649610A (en) | 2020-09-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4033402B2 (en) | Heat exchanger | |
| CN108306072B (en) | Parallel heat exchange battery pack | |
| CN110518162B (en) | Power battery module temperature control system based on ultra-thin flat flexible heat pipe | |
| JP2014159945A (en) | Heat exchanger | |
| KR20100120339A (en) | Thermoelectric generation system for withdrawing heat of exhaust gas | |
| CN104733799A (en) | Harmonica channel type heat exchanger | |
| CN111649610B (en) | Porous medium heat exchange device and system | |
| CN207936829U (en) | Heat transfer unit (HTU) | |
| CN209929442U (en) | Temperature equalizing plate for battery pack heat exchange system and connection structure of temperature equalizing plate and heat exchange system | |
| CN217485563U (en) | Square battery pack structure with air cooling and heat dissipation functions | |
| CN111895822A (en) | Micro-channel heat exchanger for supercritical carbon dioxide power generation circulation | |
| CN209929443U (en) | Battery pack heat exchange system | |
| CN110518163A (en) | Battery modules | |
| RU2584081C1 (en) | Micro channel heat exchanger | |
| CN204407445U (en) | Mouth organ channel-type heat exchanger | |
| CN210426226U (en) | Graphite heat exchanger | |
| JP5092960B2 (en) | Fuel cell cogeneration system | |
| CN209843901U (en) | Battery system structure of high-efficient thermal management | |
| CN110277606B (en) | Power battery pack and vehicle with same | |
| CN112146490A (en) | Different material laminated plate heat exchanger | |
| CN113098324A (en) | Heat pipe heat exchange type water-cooling automobile exhaust power generation device | |
| CN107192284B (en) | Compact heat exchange device | |
| CN111197933A (en) | Waste heat step recovery flue heat exchange tube | |
| CN215816040U (en) | Liquid cooling heat dissipation battery module | |
| CN217686798U (en) | Snakelike tubular high-heat-conduction composite phase-change heat storage module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |