CN117117251B - Fuel cell heating technology and temperature control method - Google Patents
Fuel cell heating technology and temperature control method Download PDFInfo
- Publication number
- CN117117251B CN117117251B CN202311221852.9A CN202311221852A CN117117251B CN 117117251 B CN117117251 B CN 117117251B CN 202311221852 A CN202311221852 A CN 202311221852A CN 117117251 B CN117117251 B CN 117117251B
- Authority
- CN
- China
- Prior art keywords
- temperature
- fuel cell
- heating
- battery
- battery monomer
- 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
- 238000010438 heat treatment Methods 0.000 title claims abstract description 63
- 239000000446 fuel Substances 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000005516 engineering process Methods 0.000 title claims abstract description 8
- 239000000178 monomer Substances 0.000 claims abstract description 36
- 238000005485 electric heating Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000004065 semiconductor Substances 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 238000004544 sputter deposition Methods 0.000 claims abstract description 4
- 239000010408 film Substances 0.000 claims description 44
- 239000012528 membrane Substances 0.000 claims description 7
- 239000010409 thin film Substances 0.000 claims description 6
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 2
- 239000000498 cooling water Substances 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 238000011217 control strategy Methods 0.000 description 3
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000037351 starvation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000013077 target material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/0432—Temperature; Ambient temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04037—Electrical heating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
- H01M8/04268—Heating of fuel cells during the start-up of the fuel cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/04537—Electric variables
- H01M8/04574—Current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04701—Temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04992—Processes for controlling fuel cells or fuel cell systems characterised by the implementation of mathematical or computational algorithms, e.g. feedback control loops, fuzzy logic, neural networks or artificial intelligence
-
- 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
- Y02E60/50—Fuel cells
Landscapes
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Fuel Cell (AREA)
- Automation & Control Theory (AREA)
- Artificial Intelligence (AREA)
- Computing Systems (AREA)
- Evolutionary Computation (AREA)
- Fuzzy Systems (AREA)
- Medical Informatics (AREA)
- Software Systems (AREA)
- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
Abstract
The invention discloses a fuel cell heating technology and a temperature control method, comprising the following steps: based on a film type temperature sensor, detecting that the temperature of each battery monomer is lower than 0 ℃, and starting a galvanic pile for cold start, wherein the galvanic pile consists of a preset number of battery monomers; after the cold start of the electric pile is successful, obtaining the highest temperature of the battery monomer; judging whether the electric heating film works or not based on the highest temperature; and judging whether the fuel cell stably runs or not based on a judging result, and finishing the temperature control of the fuel cell. The invention adjusts the temperature of the battery cell by controlling the operation of the electrothermal film corresponding to the battery cell, thereby realizing the temperature uniformity inside the fuel cell stack. The metal oxide-nitride-oxide-semiconductor (MOSH) material coating is carried out on the surface of the bipolar plate cooling flow passage through target sputtering to form a heating layer, and an insulating waterproof layer is coated on the surface of the heating layer, so that the arrangement mode is simpler and more convenient, the contact area with cooling water is increased, and the heating efficiency is higher.
Description
Technical Field
The invention belongs to the field of fuel cell heat management, and particularly relates to a fuel cell heating technology and a temperature control method.
Background
Proton Exchange Membrane Fuel Cells (PEMFCs) are a power source commonly used in existing fuel cell vehicles. However, under subfreezing conditions, the internal monomers undergo deterioration due to ice formation and repeated freeze/thaw cycles, resulting in irreversible damage. These problems lead to a significant reduction in the operational life of the PEMFC, which is difficult to further commercialize in cold regions.
The uniformity of the temperature distribution inside the fuel cell stack has a significant impact on stack performance. The uniformity of the temperature inside the electric pile is improved, on one hand, obvious hot spots in the electric pile are avoided, so that the power density and the service life of the electric pile are improved, on the other hand, the phenomena of local starvation and reverse polarity can be avoided, the performance of the fuel cell is improved, meanwhile, during the cold start, the uniformity of the temperature of the electric pile is realized, and the energy consumption and the heating time for heating can be reduced. The internal temperature distribution of the fuel cell stack is influenced by multiple control parameters, the operation condition of the stack is regulated, and the control strategy requirement is high.
In the prior art, as shown in fig. 1, the method for improving the uniformity of heat distribution in the water-cooled proton membrane fuel cell stack comprises an air runner, a cooling water runner and a hydrogen runner, wherein the air runner and the cooling water runner are of a serpentine structure, the cooling water and the air flow field are arranged in a countercurrent mode, the hydrogen runner is of a serpentine structure, and the hydrogen and the air flow field are arranged in a countercurrent mode.
The metal plate for improving the temperature uniformity of the fuel cell in the prior art is suitable for a polar plate of the air-cooled fuel cell, as shown in fig. 2, the polar plate is formed through a bending or stamping process, the width of the polar plate is larger than the width of a membrane electrode by 2-30 mm, the polar plate is fixed between the membrane electrode and the polar plate of an adjacent single cell through stacking pressure or laser welding or gluing, through holes are formed in the top surface and the side wall of a convex part of the polar plate, the polar plate is suitable for the air-cooled fuel cell, the application range is small, and meanwhile, the internal temperature uniformity of a galvanic pile cannot be actively adjusted due to a simple structure.
A proton exchange membrane fuel cell low-temperature cold start box body for realizing uniform heating and a control method thereof in the prior art. As shown in fig. 3, the structure comprises a pile supporting box body (1) of the proton exchange membrane fuel cell, and two ends of the pile supporting box body are provided with end plates (2) for fixing and bearing the cell pieces; two resistance plates (3) and (6) arranged at the bottom of the supporting box body, one end of which is provided with a sliding groove for electrifying and heating the fuel cell stack; the movable electrodes A (7) and B (8) with threaded holes are provided, one end of each movable electrode is supported in the corresponding resistance plate chute and is used for being connected with a power supply and movable; and one end of the threaded rod (4) is connected with the motor and can rotate, so that the movement of the electrode matched with the threaded rod can be realized. According to the invention, one end of the resistor plate, which is close to the end cover of the electric pile, and the electrode are respectively connected with two poles of a power supply to form a loop, and the electrode is movable, so that the change of a heating area can be realized, the heating area of the electric pile is controlled through the movement of the electrode, and the current in the heating loop is controlled, so that the uniformity of the internal temperature of the electric pile of the fuel cell can be realized. Although the structure can realize heating control on different positions of the electric pile, additional auxiliary components are added, the structure is complex, and the system reliability is lower due to more moving components. The resistance plate usually adopts alloy heating wires, belongs to a linear heat source, has small heat dissipation area, converts electric energy into light energy, and has lower electric heat conversion efficiency by about 60 percent.
In the prior art, as shown in fig. 4, a bipolar plate of the fuel cell is embedded in a heating film; two electrodes are led out of the heating film, and heat generated after the heating film is electrified is used for heating the fuel cell. The electrothermal film is a self-heat-generating metal oxide semiconductor heating material, has a simple structure, can successfully start a galvanic pile by controlling the electrifying time of the electrothermal film, but has small heating area when the material is embedded into the bipolar plate, has low heating efficiency, and does not provide a corresponding control strategy based on the structure to improve the uniformity of the internal temperature of the galvanic pile.
Therefore, how to simplify the auxiliary heating structure of the fuel cell, to improve the heating efficiency, and to actively and rapidly and accurately adjust the uniformity of the internal temperature of the stack is important.
Disclosure of Invention
In order to solve the technical problems, the invention carries out metal-oxide-semiconductor (MOSH) material coating on the surface of the cooling flow channel of the bipolar plate by sputtering the target material to form the heating layer, and coats the insulating waterproof layer on the surface of the heating layer, so that the arrangement mode is simpler and more convenient, the contact area with cooling water is increased, the heating efficiency is higher, and meanwhile, compared with other heating modes such as resistance heating, the metal-oxide-semiconductor (MOSH) material coating has great advantages. The thin film type temperature sensors are sequentially arranged in the middle of the bipolar plate of each battery cell, the temperature of each battery cell is collected through the sensors for analysis, whether the electric heating film is electrified or not and the heating time are controlled, and the quick cold start and the control of the internal temperature uniformity of the electric pile are realized.
In order to achieve the above object, the present invention provides a fuel cell heating technology and a temperature control method, comprising:
Starting a galvanic pile for cold starting based on a film type temperature sensor, wherein the galvanic pile consists of a preset number of battery monomers;
After the cold start of the electric pile is started, obtaining the highest temperature of the battery monomer;
judging whether the electric heating film works or not based on the highest temperature;
And judging whether the fuel cell stably runs or not based on a judging result, and finishing the temperature control of the fuel cell.
Optionally, the thin film temperature sensor is disposed at a middle position of the bipolar plate of the battery unit, and the thin film temperature sensor is used for collecting the temperature of each battery unit.
Optionally, starting the cold start of the galvanic pile includes:
after the fuel cell is started, acquiring the temperature of each battery monomer based on the temperature sensor;
Judging whether the temperature of each battery monomer is higher than 0 ℃;
If the temperature of the battery monomer is lower than 0 ℃, heating the battery monomer through an electric heating film of the corresponding battery monomer until the temperature of the battery monomer is not lower than 0 ℃, and starting the cold start of the electric pile;
And if the temperature of each battery monomer is higher than 0 ℃, starting the cold start of the electric pile.
Optionally, obtaining the highest temperature of the battery cell includes:
After the cold start of the electric pile is started, the temperature of the battery monomer changes, and when the temperature of the battery monomer is stable, the highest temperature of the battery monomer is obtained through the film type temperature sensor.
Optionally, the electrically heated film includes: the heating layer is formed by plating a layer of metal oxide semiconductor heating material on the upper surface of the base layer, positive and negative electrodes are led out from two ends of the heating layer, heat is generated after the heating layer is electrified, and an insulating waterproof layer is coated on the upper surface of the heating layer.
Optionally, determining whether the electric heating film works includes:
comparing the temperature of the battery cell with the maximum temperature;
If the temperature of each battery cell is smaller than the highest temperature, the electric heating film corresponding to the battery cell works, and the electric heating film stops working until the temperature of each battery cell reaches the highest temperature;
And if no battery cell temperature is less than the highest temperature, the electric heating film does not work.
Optionally, completing the temperature control of the fuel cell includes:
based on the judging result of whether the electric heating film works, whether the current changes or not is detected:
if the current is changed, the highest temperature of the battery monomer is obtained again until the current is not changed;
if the temperature of the fuel cell is not changed, whether the fuel cell is shut down or not is manually selected, and the temperature control of the fuel cell is completed.
Alternatively, whether the stack load current changes is detected by the fuel cell controller.
Compared with the prior art, the invention has the following advantages and technical effects:
(1) According to the invention, the MOSH film is adopted to heat the surface of the bipolar plate cooling flow passage, so that the bipolar plate cooling flow passage has the advantages of light weight, no pollution, low cost, high heating rate, simple and convenient arrangement mode, no damage to the internal composition structure of a battery and no initiation of additional electrochemical reaction, higher heating energy economy, no introduction of additional auxiliary components and no increase of the volume and weight of a galvanic pile;
(2) The invention directly heats the battery through the electric heating film, can control the heating rate and time, stops heating when the temperature of the battery is higher than 0 ℃, has simple control strategy, realizes the quick cold start of the fuel cell, and reduces the energy consumed by the cold start of the electric pile.
(3) When the working condition of the fuel cell changes, the temperature sensor is used for acquiring the highest temperature of the cell unit, and the electrothermal films corresponding to other different cell units are respectively controlled to work, so that the internal temperature of the electric pile is uniformly increased, the performance of the electric pile is further improved, and meanwhile, the invention realizes the real-time closed-loop correction of the internal temperature of the electric pile, so that the control is more accurate
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a schematic diagram of a prior art method for improving the uniformity of heat distribution in a water-cooled PEM fuel cell stack;
FIG. 2 is a schematic illustration of a prior art metal plate for improving fuel cell temperature uniformity;
FIG. 3 is a schematic diagram of a low temperature cold start tank for a PEM fuel cell and a control method thereof for achieving uniform heating in the prior art;
FIG. 4 is a schematic diagram of a prior art fuel cell and a heating method thereof;
FIG. 5 is a schematic view of an electrically heated film according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a stack formed by stacking a plurality of fuel cells according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a monolithic fuel cell according to an embodiment of the present invention, wherein 1, bipolar plate, 2, temperature sensor, 3, electrothermal film, 4, electrothermal film electrode;
Fig. 8 is a flow chart of a temperature control method of a fuel cell heater according to an embodiment of the invention.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer executable instructions, and that although a logical order is illustrated in the flowcharts, in some cases the steps illustrated or described may be performed in an order other than that illustrated herein.
The invention provides a fuel cell heating technology and a temperature control method, wherein a metal oxide-semiconductor (MOSH) material coating is performed on the surface of a bipolar plate cooling flow channel through target sputtering to form a heating layer, and an insulating waterproof layer is coated on the surface of the heating layer. The thin film type temperature sensor 2 is sequentially arranged in the middle of the bipolar plate 1 of each battery cell in the electric pile, the temperature of each battery cell is collected through the sensor for analysis, whether the electric heating film is electrified or not and the heating time are controlled, and the quick cold start and the control of the internal temperature uniformity of the electric pile are realized.
As shown in FIG. 5, the present embodiment adopts a magnetron sputtering multi-target doping method to form a metal doped semiconductor by depositing metal or alloy (such as Ni: cr: si; fe: al: si) on a substrate, and then placing the deposited metal or alloy in an oxygen-enriched environment or atmosphere, and performing thermal oxidation or current oxidation. The semiconductor film layer is a flexible film with the thickness of micro-nano level, an insulating waterproof layer is coated on the outer layer, positive and negative electrodes are arranged at the same time, after two sides of the electrodes are electrified, electric energy can be quickly converted into heat energy in an electric field, the conversion efficiency reaches more than 99 percent through testing, and the far infrared radiation heat energy with the wavelength of 4-20 mu m accounts for more than 50 percent. Can heat fast and clean high efficiency, temperature is controllable and homogeneity is high.
As shown in fig. 6 to 8, after two single cells are stacked, an oxygen chamber, a hydrogen chamber, and a cooling water flow passage are formed between the bipolar plates 1. In the embodiment, a heating film (MOSH) 3 is plated on the surface of a cooling flow channel of a bipolar plate 1 of each battery cell, after a fuel cell is started in a low-temperature environment, a film type temperature sensor 2 acquires the temperature T1-Tn of each battery cell, when the temperature of each battery cell is less than 0 ℃, a corresponding electrothermal film electrode 4 is electrified, the electrothermal film 3 works to heat the battery cell, and the temperature of the battery is increased. When the temperatures of the battery monomers are all higher than 0 ℃, the cold start of the electric pile is successful, and the electrothermal film 3 does not work.
The current of the electric pile is increased, the temperature of the electric pile is changed to a determined working condition, the film type temperature sensor 2 obtains the temperatures T1-Tn of all the battery monomers, the highest temperature Tmax of the battery monomers is determined, when the temperatures T1-Tn are smaller than Tmax, the electrothermal film 3 corresponding to the battery monomers is electrified and heated until the temperatures of all the battery monomers are increased to the highest temperature Tmax, the electric pile achieves good temperature uniformity, and the electrothermal film 3 does not work. When the operating current I of the electric pile changes, the operating condition changes, the temperature of the electric pile changes, and the steps are repeated after the temperature is stabilized. When the operating current I of the electric pile is unchanged, the electrothermal film 3 does not work, the electric pile stably operates, the shutdown of the fuel cell is manually determined, and the temperature control flow is finished.
Further, by the fuel cell controller, it is detected whether the stack load current has changed.
The present application is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present application are intended to be included in the scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims (5)
1. A fuel cell heating technology and a temperature control method are characterized by comprising the following steps:
Based on a film type temperature sensor, detecting that the temperature of each battery monomer is lower than 0 ℃, and starting a galvanic pile for cold start, wherein the galvanic pile consists of a preset number of battery monomers;
opening the cold start of the galvanic pile comprises:
after the fuel cell is started, acquiring the temperature of each battery monomer based on the temperature sensor;
Judging whether the temperature of each battery monomer is higher than 0 ℃;
If the temperature of the battery monomer is lower than 0 ℃, heating the battery monomer through an electric heating film of the corresponding battery monomer until the temperature of the battery monomer is not lower than 0 ℃, and starting the cold start of the electric pile;
if the temperature of each battery monomer is higher than 0 ℃, the cold start of the electric pile is successful;
After the cold start of the electric pile is successful, obtaining the highest temperature of the battery monomer;
judging whether the electric heating film works or not based on the highest temperature;
Judging whether the electric heating film works comprises the following steps:
comparing the temperature of the battery cell with the maximum temperature;
If the temperature of each battery cell is smaller than the highest temperature, the electric heating film corresponding to the battery cell works, and the electric heating film stops working until the temperature of each battery cell reaches the highest temperature;
If no battery cell temperature is less than the highest temperature, the electric heating film does not work;
Judging whether the fuel cell stably runs or not based on a judging result, and finishing temperature control of the fuel cell;
completing the temperature control of the fuel cell includes:
based on the judging result of whether the electric heating film works, whether the current changes or not is detected:
if the current is changed, the highest temperature of the battery monomer is obtained again until the current is not changed;
if the temperature of the fuel cell is not changed, whether the fuel cell is shut down or not is manually selected, and the temperature control of the fuel cell is completed;
Coating a metal oxide-nitride-oxide (MOSH) material on the surface of the bipolar plate cooling flow channel through target sputtering to form a heating layer, and coating an insulating waterproof layer on the surface of the heating layer;
A heating film (MOSH) is plated on the surface of the bipolar plate cooling flow channel of each battery cell.
2. The fuel cell heating technology and temperature control method according to claim 1, wherein the thin film temperature sensor is disposed at a middle position of the bipolar plate of the battery cell, and the thin film temperature sensor is used for collecting the temperature of each battery cell.
3. The fuel cell heating technique and temperature control method according to claim 1, wherein obtaining the highest temperature of the battery cell comprises:
After the cold start of the electric pile is started, the temperature of the battery monomer changes, and when the temperature of the battery monomer is stable, the highest temperature of the battery monomer is obtained through the film type temperature sensor.
4. A fuel cell heating technique and temperature control method according to claim 1, wherein said electrically heated membrane comprises: the heating layer is formed by plating a layer of metal oxide semiconductor heating material on the upper surface of the base layer, positive and negative electrodes are led out from two ends of the heating layer, heat is generated after the heating layer is electrified, and an insulating waterproof layer is coated on the upper surface of the heating layer.
5. A fuel cell heating technique and temperature control method according to claim 1, wherein whether or not a change in the stack load current occurs is detected by the fuel cell controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311221852.9A CN117117251B (en) | 2023-09-21 | 2023-09-21 | Fuel cell heating technology and temperature control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311221852.9A CN117117251B (en) | 2023-09-21 | 2023-09-21 | Fuel cell heating technology and temperature control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117117251A CN117117251A (en) | 2023-11-24 |
| CN117117251B true CN117117251B (en) | 2024-06-14 |
Family
ID=88809156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311221852.9A Active CN117117251B (en) | 2023-09-21 | 2023-09-21 | Fuel cell heating technology and temperature control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117117251B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113555581A (en) * | 2021-06-08 | 2021-10-26 | 北京格睿能源科技有限公司 | Fuel cell and heating method thereof |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005254974A (en) * | 2004-03-11 | 2005-09-22 | Toyota Motor Corp | Vehicular temperature adjustment system |
| KR101181838B1 (en) * | 2004-10-04 | 2012-09-13 | 삼성에스디아이 주식회사 | Stack for fuel cell and fuel cell system with the same |
| US7829231B2 (en) * | 2005-04-22 | 2010-11-09 | Gm Global Technology Operations, Inc. | Fuel cell design with an integrated heat exchanger and gas humidification unit |
| JP4580997B2 (en) * | 2008-03-11 | 2010-11-17 | 日立オートモティブシステムズ株式会社 | Power converter |
| KR101063497B1 (en) * | 2009-09-23 | 2011-09-07 | 현대자동차주식회사 | Automotive Fuel Cell Stack |
| KR101534940B1 (en) * | 2013-11-15 | 2015-07-07 | 현대자동차주식회사 | Bipolar plate for fuel cell and fuel cell using the same |
| CN107681176A (en) * | 2017-11-09 | 2018-02-09 | 北京重理能源科技有限公司 | A kind of air-cooled fuel battery double plates and method for strengthening radiating effect |
| DE102018010056A1 (en) * | 2018-12-20 | 2020-06-25 | Daimler Ag | Fuel cell stack from a multitude of individual cells |
| CN113178599A (en) * | 2021-04-23 | 2021-07-27 | 张智好 | Automatic preheating control system during cold start of fuel cell system |
| CN113555619A (en) * | 2021-06-08 | 2021-10-26 | 北京格睿能源科技有限公司 | Multistage heating electric-electric hybrid heat management system and control method thereof |
| CN113803156A (en) * | 2021-09-14 | 2021-12-17 | 哈尔滨工程大学 | Combined cooling heating and power system of ORC-jet type refrigerating device |
| KR20230098936A (en) * | 2021-12-27 | 2023-07-04 | 현대자동차주식회사 | Method for manufacturing fuel cell stack |
| CN115036527A (en) * | 2022-06-13 | 2022-09-09 | 上海卓微氢科技有限公司 | Heating and cooling system of fuel cell and control method |
-
2023
- 2023-09-21 CN CN202311221852.9A patent/CN117117251B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113555581A (en) * | 2021-06-08 | 2021-10-26 | 北京格睿能源科技有限公司 | Fuel cell and heating method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117117251A (en) | 2023-11-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Zeng et al. | Experimental investigation on the mechanism of variable fan speed control in Open cathode PEM fuel cell | |
| KR101047417B1 (en) | Fuel cell separator and its manufacturing method | |
| CA2786027C (en) | Method of estimating amount of liquid water in fuel cell, method of estimating amount of liquid water discharged from fuel cell, estimation apparatus of liquid water amount in fuel cell and fuel cell system | |
| KR101126769B1 (en) | Lamp Heater including a plurality of three phase power source lamp and Drying Apparatus for Secondary batter using the same | |
| CN102414899B (en) | Solid electrolyte fuel cell | |
| CN101645512A (en) | Fuel cell stack used as coolant heater | |
| KR20180042745A (en) | Apparatus for diagnosing state of fuel cell stack and method thereof | |
| US20060051640A1 (en) | PEM fuel cell system | |
| KR101734689B1 (en) | cooling system of fuel cell Vehicle | |
| US20020068202A1 (en) | Method for cold-starting a fuel cell battery, and fuel cell battery suitable for this method | |
| CN113555581A (en) | Fuel cell and heating method thereof | |
| CN109904486B (en) | Bipolar plate fuel cell and vehicle thereof | |
| CN110729499A (en) | Fuel cell stack with end plate heating | |
| KR20120054329A (en) | Syetem and method for supply cooling water of fuel cell system | |
| CN117117251B (en) | Fuel cell heating technology and temperature control method | |
| KR100893431B1 (en) | Fuel cell apparatus having improved starting performance in low temperature and method for controlling the same | |
| US7201981B2 (en) | Fuel cell stack and method of warming up the same | |
| KR100645594B1 (en) | A cell or stack for testing performance of fuel cells and a method of testing the same | |
| US10790518B2 (en) | Electrical contact device for a fuel cell stack | |
| CN113839065B (en) | Fuel cell cooling water loop thermal compensation temperature control system and control method | |
| CN113555619A (en) | Multistage heating electric-electric hybrid heat management system and control method thereof | |
| CN113752918A (en) | Battery system, vehicle, and control method for vehicle | |
| CN111709149A (en) | Proton exchange membrane fuel cell stack cold start capability evaluation method | |
| CN111630697A (en) | Fuel cell system with improved gas diffusion layer and motor vehicle with fuel cell system | |
| CN115224302A (en) | Fuel cell starting control method, fuel cell and vehicle |
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 |