CN111916787A - Miniature fuel cell and low-temperature starting operation method thereof - Google Patents

Miniature fuel cell and low-temperature starting operation method thereof Download PDF

Info

Publication number
CN111916787A
CN111916787A CN202010809598.4A CN202010809598A CN111916787A CN 111916787 A CN111916787 A CN 111916787A CN 202010809598 A CN202010809598 A CN 202010809598A CN 111916787 A CN111916787 A CN 111916787A
Authority
CN
China
Prior art keywords
temperature
exhaust
heating
fuel cell
galvanic pile
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.)
Granted
Application number
CN202010809598.4A
Other languages
Chinese (zh)
Other versions
CN111916787B (en
Inventor
蔡永健
侯向理
裴昱
何民维
姚宇希
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nekson Power Technology Co ltd
Original Assignee
Nekson Power Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nekson Power Technology Co ltd filed Critical Nekson Power Technology Co ltd
Priority to CN202010809598.4A priority Critical patent/CN111916787B/en
Publication of CN111916787A publication Critical patent/CN111916787A/en
Application granted granted Critical
Publication of CN111916787B publication Critical patent/CN111916787B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
    • H01M8/04067—Heat exchange or temperature measuring elements, thermal insulation, e.g. heat pipes, heat pumps, fins
    • H01M8/04074—Heat exchange unit structures specially adapted for fuel cell
    • 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
    • H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
    • H01M8/04052—Storage of heat in the fuel cell system
    • 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
    • H01M8/04067—Heat exchange or temperature measuring elements, thermal insulation, e.g. heat pipes, heat pumps, fins
    • 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
    • H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
    • H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
    • H01M8/04156—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying with product water removal
    • 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
    • H01M8/04225—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 during start-up
    • 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
    • H01M8/04253—Means for solving freezing problems
    • 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
    • H01M8/043—Processes for controlling fuel cells or fuel cell systems applied during specific periods
    • H01M8/04302—Processes for controlling fuel cells or fuel cell systems applied during specific periods applied during start-up
    • 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
    • H01M8/04365—Temperature; Ambient temperature of other components of a fuel cell or fuel cell stacks
    • 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
    • H01M8/04731—Temperature of other components of a fuel cell or fuel cell stacks
    • 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
    • H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
    • H01M8/0662—Treatment of gaseous reactants or gaseous residues, e.g. cleaning
    • 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

Abstract

A micro fuel cell and a low-temperature starting operation method thereof belong to the technical field of fuel cells. The micro fuel cell comprises a shell and an electric pile, wherein the shell is provided with an exhaust interface, the electric pile is provided with an exhaust valve, an exhaust pipeline is connected between the exhaust interface and the exhaust valve, end plates on two sides of the electric pile are provided with a heating film and a heat insulation layer, and a temperature sensor is arranged inside the electric pile; the exhaust valve and the exhaust interface are arranged on the same side, and the exhaust pipeline is provided with a heat-insulating layer. The method comprises the following steps of 1, heating the galvanic pile through heating films arranged on end plates at two sides of the galvanic pile; step 2, when the temperature of the galvanic pile reaches the lowest starting temperature, starting the galvanic pile; step 3, simultaneously utilizing heating film heating and cathode gas shortage modes to raise the temperature of the galvanic pile to a normal working temperature; and 4, only heating the heating film to maintain the temperature difference between the two sides of the galvanic pile and the middle of the galvanic pile to be less than a set value. The invention can be quickly started in a low-temperature environment and stably run for a long time in the low-temperature environment.

Description

Miniature fuel cell and low-temperature starting operation method thereof
Technical Field
The invention relates to the technical field of fuel cells, in particular to a micro fuel cell and a low-temperature starting operation method thereof.
Background
The hydrogen and oxygen do not contain C, S and other elements, and when the hydrogen and oxygen are used as energy sources, CO and CO are not generated2And sulfide and the like, and the common product only contains water, so that the problems of greenhouse effect, environmental pollution and the like can be effectively relieved. Hydrogen gas can achieve more efficient energy conversion by hydrogen fuel cells, and for fuel cells, the most important technical indicators include output power, start-up time, and environmental compliance issues.
The low-temperature environment especially tests the performance of the fuel cell, on one hand, the starting of the fuel cell needs a certain temperature, and even if the minimum starting temperature of the fuel cell is reached, the fuel cell needs to consume a large amount of time from the starting to the normal operation; on the other hand, after the fuel cell normally works, the temperature difference of each part of the fuel cell stack inside the fuel cell is large due to the influence of low temperature outside or the excessively low temperature of the anode intake air, and the performance of the fuel cell can be greatly influenced. In addition, in a low-temperature environment, water carried out during stack exhaust is easy to freeze in an exhaust pipeline to cause blockage, normal exhaust is affected, and the performance of the fuel cell is also reduced.
Disclosure of Invention
The present invention is directed to solving the above problems of the prior art, and an object of the present invention is to provide a micro fuel cell and a low temperature start operation method thereof, which can be started quickly in a low temperature environment and operated stably for a long time in a low temperature environment.
The purpose of the invention is realized by the following technical scheme:
a miniature fuel cell comprises a shell and an electric pile, wherein an exhaust interface is arranged on the shell, an exhaust valve is arranged on the electric pile, an exhaust pipeline is connected between the exhaust interface and the exhaust valve, a heating film and a heat insulation layer are arranged on end plates on two sides of the electric pile, and a temperature sensor is arranged inside the electric pile; the exhaust valve and the exhaust interface are arranged on the same side, and the exhaust pipeline is provided with a heat insulation layer.
The miniature fuel cell is small in size and compact in internal space, all parts are arranged around the fuel cell stack, and the low-temperature starting performance of the miniature fuel cell is mainly influenced by the stack, so that the temperature of the stack is quickly increased and kept, and the core work for improving the low-temperature starting performance of the miniature fuel cell system is realized. Therefore, the invention heats the galvanic pile by the mode that the heating film is in direct contact, reduces the heat loss by the heat insulation layer, ensures that the galvanic pile quickly reaches the lowest starting temperature in a low-temperature environment, and simultaneously avoids generating larger temperature difference between the two sides and the middle part of the galvanic pile by the heating effect of the heating film in the running process of the galvanic pile, thereby ensuring the performance of the galvanic pile. In addition, in a low-temperature environment, water carried by gas exhausted from the exhaust valve is easy to freeze in the exhaust pipeline, so that the exhaust pipeline is blocked, normal exhaust of the electric pile is affected, and the performance of the electric pile is reduced. Therefore, the exhaust valve and the exhaust interface are arranged on the same side, the length of the exhaust pipeline can be greatly shortened, the loss of exhaust air pressure is reduced, the air-water mixture can be rapidly exhausted, and the moisture is prevented from remaining in the exhaust pipeline; meanwhile, the heat-insulating layer is arranged on the exhaust pipeline to keep the temperature in the exhaust pipeline and avoid the moisture from freezing in the exhaust pipeline as much as possible.
Preferably, the exhaust interface is a metal interface, and a heating device is arranged on the exhaust interface. Since the exhaust interface is closest to the outside of the fuel cell and is most susceptible to low temperature from the outside, i.e., moisture is most likely to freeze at the exhaust interface, a heating device is provided at this location to avoid freezing.
Preferably, the exhaust port is provided obliquely. The exhaust interface that the slope set up makes liquid water play more easily, avoids liquid water to be detained in the exhaust interface, reduces the risk of freezing.
Preferably, the exhaust valve is a low-temperature electromagnetic valve. The low-temperature electromagnetic valve can work normally in a low-temperature environment, and normal exhaust of the galvanic pile is ensured.
Preferably, the vent valve has a diameter of 1.3mm to 1.7 mm. The size of the drift diameter further reduces the risk of moisture freezing at the exhaust valve.
The invention also provides a low-temperature starting operation method of the micro fuel cell, which comprises the following steps:
step 1, heating a galvanic pile through heating films arranged on end plates at two sides of the galvanic pile;
step 2, when the temperature of the galvanic pile reaches the lowest starting temperature, starting the galvanic pile;
step 3, simultaneously utilizing heating film heating and cathode gas shortage modes to raise the temperature of the galvanic pile to a normal working temperature;
and 4, only heating the heating film to maintain the temperature difference between the two sides of the galvanic pile and the middle of the galvanic pile to be less than a set value.
Preferably, the method further comprises the following step 2: heating the exhaust interface through a heating device arranged at the exhaust interface; the exhaust interface is a metal interface.
Preferably, the minimum start-up temperature in step 2 is-10 ℃.
Preferably, the set value in step 4 is 5 ℃.
The invention has the advantages that:
1. the low-temperature starting performance is improved: through the improvement and optimization on the structure and the control method, the fuel cell can be rapidly heated at a low temperature to reach the starting condition, the starting time is shortened, the starting can be realized within 5min at the temperature of minus 20 ℃, and the output is realized at the rated power.
2. The low-temperature running performance is improved: the heating of the electric pile end plate can ensure the whole temperature balance of the electric pile, and prevent the overlarge temperature deviation between the middle and two ends of the electric pile, thereby causing the performance of the electric pile to be reduced and ensuring the long-term stable operation of the fuel cell.
3. Through structural optimization and reasonable heating and heat preservation treatment, the icing inside the exhaust pipeline is avoided, and the normal exhaust of the electric pile is ensured.
4. The energy efficiency is improved: reasonable electric pile and pipeline heat preservation measures can reduce the heating power consumption consumed by the system, and the overall efficiency is improved.
Drawings
FIG. 1 is a schematic structural diagram of a micro fuel cell according to the present invention;
fig. 2 is a flow chart of a method for low-temperature starting operation of a micro fuel cell according to the present invention.
1-a housing; 2-electric pile; 31-an air intake interface; 32-exhaust interface; 41-an air inlet valve; 42-an exhaust valve; 5-a handle; 6-start button; 7-power-on button; 8-an output interface; 9-a signal interface; 10-lithium battery.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
A micro fuel cell comprises a shell 1 and an internal electric pile 2, wherein an air inlet interface 31 is arranged at the upper part of the shell 1, an air outlet interface 32 is arranged at the lower part of the shell, an air inlet valve 41 is arranged at the upper part of one side of the electric pile 2, an air outlet valve 42 is arranged at the lower part of the electric pile 2, an air inlet pipeline is arranged between the air inlet interface 31 and the air inlet valve 41, an air outlet pipeline is connected between the air outlet interface 32 and the air outlet valve 42, heating films and heat preservation layers are arranged on end plates at two sides of the electric pile 2, the heating films are specifically arranged between the end plates and a fiber plate, and a temperature sensor is; the exhaust valve 42 and the exhaust interface 32 are arranged on the same side, and an insulating layer is arranged on the exhaust pipeline. In addition, the top of the shell 1 is provided with a handle 5, the upper part of one side of the shell 1 is provided with a starting button 6 and a power-on button 7, and the lower part of the side is provided with an output interface 8 and a signal interface 9.
The miniature fuel cell is small in size and compact in internal space, all parts are arranged around the fuel cell stack, and the low-temperature starting performance of the miniature fuel cell is mainly influenced by the stack, so that the temperature of the stack is quickly increased and kept, and the core work for improving the low-temperature starting performance of the miniature fuel cell system is realized. Therefore, the invention heats the galvanic pile by the mode that the heating film is in direct contact, reduces the heat loss by the heat insulation layer, ensures that the galvanic pile quickly reaches the lowest starting temperature in a low-temperature environment, and simultaneously avoids generating larger temperature difference between the two sides and the middle part of the galvanic pile by the heating effect of the heating film in the running process of the galvanic pile, thereby ensuring the performance of the galvanic pile. In addition, in a low-temperature environment, water carried by gas exhausted from the exhaust valve is easy to freeze in the exhaust pipeline, so that the exhaust pipeline is blocked, normal exhaust of the electric pile is affected, and the performance of the electric pile is reduced. Therefore, the exhaust valve and the exhaust interface are arranged on the same side, the length of the exhaust pipeline can be greatly shortened, the loss of exhaust air pressure is reduced, the air-water mixture can be rapidly exhausted, and the moisture is prevented from remaining in the exhaust pipeline; meanwhile, the heat-insulating layer is arranged on the exhaust pipeline to keep the temperature in the exhaust pipeline and avoid the moisture from freezing in the exhaust pipeline as much as possible.
Specifically, the exhaust interface 32 is a metal interface, and a heating device is arranged on the exhaust interface 32. Since the exhaust interface is closest to the outside of the fuel cell and is most susceptible to low temperature from the outside, i.e., moisture is most likely to freeze at the exhaust interface, a heating device is provided at this location to avoid freezing. And the exhaust interface 32 is disposed obliquely. The exhaust interface that the slope set up makes liquid water play more easily, avoids liquid water to be detained in the exhaust interface, reduces the risk of freezing.
The exhaust valve 42 is a low-temperature solenoid valve. The low-temperature electromagnetic valve can work normally in a low-temperature environment, and normal exhaust of the galvanic pile is ensured. The vent valve 42 is a low-temperature electromagnetic valve with the drift diameter of 1.5mm, so that the risk of water freezing at the vent valve is further reduced.
Further, the lithium battery 10 of the fuel cell is externally provided with a heating device, because the lithium battery can be connected into the direct current bus only when the temperature of the lithium battery is higher than the required minimum rechargeable temperature, thereby ensuring the stable operation of the fuel cell.
The invention also provides a low-temperature starting operation method of the micro fuel cell, which comprises the following steps:
step 1, heating a galvanic pile through heating films arranged on end plates at two sides of the galvanic pile, and monitoring the temperature of the galvanic pile in real time through temperature sensors arranged in the galvanic pile;
step 2, starting the galvanic pile when the temperature of the galvanic pile reaches the lowest starting temperature of-10 ℃;
step 3, after the galvanic pile is started, rapidly increasing the temperature of the galvanic pile to a normal working temperature by simultaneously utilizing heating of a heating film and a cathode gas shortage mode; in addition, the exhaust interface is heated by a heating device arranged at the exhaust interface, and the exhaust interface is a metal interface so as to better conduct heat;
and 4, enabling the cathode to normally enter air, and only heating the heating film to maintain the temperature difference between the two sides of the galvanic pile and the middle of the galvanic pile to be less than 5 ℃.
In addition, while the electric pile is heated through the heating film in the step 1, the lithium battery is heated through a heating device arranged outside the lithium battery, so that the lithium battery can quickly reach the lowest chargeable temperature, the electric pile can be connected into a direct current bus when generating electricity, and the stable operation of the fuel battery is ensured.
In conclusion, the fuel cell can be rapidly heated in a low-temperature state through improvement and optimization on the structure and the control method, so that the starting condition is achieved, the starting time is shortened, the fuel cell can be started within 5min at the temperature of minus 20 ℃, and the fuel cell can be output at rated power. And the heating of the electric pile end plate can ensure the whole temperature balance of the electric pile, and prevent the overlarge temperature deviation between the middle and two ends of the electric pile, thereby causing the performance of the electric pile to be reduced and ensuring the long-term stable operation of the fuel cell. Meanwhile, through structural optimization and reasonable heating and heat preservation treatment, icing inside the exhaust pipeline is avoided, and normal exhaust of the electric pile is ensured. And reasonable electric pile and pipeline heat preservation measures can reduce the heating power consumption of the system and improve the overall efficiency.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiment, and any changes or substitutions that can be easily made by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (9)

1. A miniature fuel cell comprises a shell and an electric pile, wherein an exhaust interface is arranged on the shell, an exhaust valve is arranged on the electric pile, and an exhaust pipeline is connected between the exhaust interface and the exhaust valve; the exhaust valve and the exhaust interface are arranged on the same side, and the exhaust pipeline is provided with a heat insulation layer.
2. The micro fuel cell of claim 1, wherein the exhaust port is a metal port, and a heating device is disposed on the exhaust port.
3. The micro fuel cell of claim 1, wherein the exhaust interface is disposed at an angle.
4. The micro fuel cell of claim 1, wherein the vent valve is a low temperature solenoid valve.
5. The micro fuel cell of claim 1, wherein the vent valve has a diameter of 1.3mm to 1.7 mm.
6. A low-temperature starting operation method of a micro fuel cell is characterized by comprising the following steps:
step 1, heating a galvanic pile through heating films arranged on end plates at two sides of the galvanic pile;
step 2, when the temperature of the galvanic pile reaches the lowest starting temperature, starting the galvanic pile;
step 3, simultaneously utilizing heating film heating and cathode gas shortage modes to raise the temperature of the galvanic pile to a normal working temperature;
and 4, only heating the heating film to maintain the temperature difference between the two sides of the galvanic pile and the middle of the galvanic pile to be less than a set value.
7. The method of claim 6, further comprising, after step 2: heating the exhaust interface through a heating device arranged at the exhaust interface; the exhaust interface is a metal interface.
8. The method as claimed in claim 6, wherein the minimum starting temperature in step 2 is-10 ℃.
9. The method as claimed in claim 6, wherein the set value in step 4 is 5 ℃.
CN202010809598.4A 2020-08-13 2020-08-13 Miniature fuel cell and low-temperature starting operation method thereof Active CN111916787B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010809598.4A CN111916787B (en) 2020-08-13 2020-08-13 Miniature fuel cell and low-temperature starting operation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010809598.4A CN111916787B (en) 2020-08-13 2020-08-13 Miniature fuel cell and low-temperature starting operation method thereof

Publications (2)

Publication Number Publication Date
CN111916787A true CN111916787A (en) 2020-11-10
CN111916787B CN111916787B (en) 2022-08-09

Family

ID=73283954

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010809598.4A Active CN111916787B (en) 2020-08-13 2020-08-13 Miniature fuel cell and low-temperature starting operation method thereof

Country Status (1)

Country Link
CN (1) CN111916787B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113314736A (en) * 2021-07-30 2021-08-27 北京亿华通科技股份有限公司 Control method of fuel cell system integrated with alternating current impedance function
CN116231006A (en) * 2023-05-10 2023-06-06 上海重塑能源科技有限公司 Fuel cell low-temperature non-auxiliary hot and cold starting method and system

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080160355A1 (en) * 2006-12-29 2008-07-03 Samsung Electronics Co., Ltd. Fuel cell system and method of operating the same
CN101447580A (en) * 2008-12-29 2009-06-03 新源动力股份有限公司 Proton exchange membrane fuel cell capable of quickly starting below zero DEG C
CN101958422A (en) * 2009-07-21 2011-01-26 上海攀业氢能源科技有限公司 Method for enhancing running durability of fuel cell
JP2012038689A (en) * 2010-08-11 2012-02-23 Ngk Spark Plug Co Ltd Operation method of fuel cell
CN103682403A (en) * 2013-12-24 2014-03-26 武汉理工大学 Fuel cell low-temperature quick-starting system and method adopting staged temperature control
US20140272650A1 (en) * 2013-03-15 2014-09-18 GM Global Technology Operations LLC Slip stream for reliable anode to cathode flow in freeze conditions
CN204011605U (en) * 2014-04-04 2014-12-10 同济大学 A kind of fuel cell cold start-up heater
CN105390715A (en) * 2015-11-04 2016-03-09 北京氢璞创能科技有限公司 Low-temperature cold-start fuel cell system and use method therefor
CN106558723A (en) * 2015-09-23 2017-04-05 现代自动车株式会社 Fuel cell pack
CN109346748A (en) * 2018-12-05 2019-02-15 江苏氢电新能源有限公司 A kind of fuel cell started quickly at low temperature system and starting method
CN109509899A (en) * 2019-01-10 2019-03-22 中氢新能技术有限公司 A kind of fuel cell pile heating means
CN109950578A (en) * 2019-03-26 2019-06-28 浙江吉利汽车研究院有限公司 A kind of cold starting system and its control method
CN110729499A (en) * 2019-10-29 2020-01-24 卢善喜 Fuel cell stack with end plate heating
CN110943243A (en) * 2019-12-13 2020-03-31 浙江锋源氢能科技有限公司 Activation method of fuel cell stack
CN211045598U (en) * 2019-10-22 2020-07-17 武汉格罗夫氢能汽车有限公司 Exhaust heating system for low-temperature starting of hydrogen fuel cell

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080160355A1 (en) * 2006-12-29 2008-07-03 Samsung Electronics Co., Ltd. Fuel cell system and method of operating the same
CN101447580A (en) * 2008-12-29 2009-06-03 新源动力股份有限公司 Proton exchange membrane fuel cell capable of quickly starting below zero DEG C
CN101958422A (en) * 2009-07-21 2011-01-26 上海攀业氢能源科技有限公司 Method for enhancing running durability of fuel cell
JP2012038689A (en) * 2010-08-11 2012-02-23 Ngk Spark Plug Co Ltd Operation method of fuel cell
US20140272650A1 (en) * 2013-03-15 2014-09-18 GM Global Technology Operations LLC Slip stream for reliable anode to cathode flow in freeze conditions
CN103682403A (en) * 2013-12-24 2014-03-26 武汉理工大学 Fuel cell low-temperature quick-starting system and method adopting staged temperature control
CN204011605U (en) * 2014-04-04 2014-12-10 同济大学 A kind of fuel cell cold start-up heater
CN106558723A (en) * 2015-09-23 2017-04-05 现代自动车株式会社 Fuel cell pack
CN105390715A (en) * 2015-11-04 2016-03-09 北京氢璞创能科技有限公司 Low-temperature cold-start fuel cell system and use method therefor
CN109346748A (en) * 2018-12-05 2019-02-15 江苏氢电新能源有限公司 A kind of fuel cell started quickly at low temperature system and starting method
CN109509899A (en) * 2019-01-10 2019-03-22 中氢新能技术有限公司 A kind of fuel cell pile heating means
CN109950578A (en) * 2019-03-26 2019-06-28 浙江吉利汽车研究院有限公司 A kind of cold starting system and its control method
CN211045598U (en) * 2019-10-22 2020-07-17 武汉格罗夫氢能汽车有限公司 Exhaust heating system for low-temperature starting of hydrogen fuel cell
CN110729499A (en) * 2019-10-29 2020-01-24 卢善喜 Fuel cell stack with end plate heating
CN110943243A (en) * 2019-12-13 2020-03-31 浙江锋源氢能科技有限公司 Activation method of fuel cell stack

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
史维龙等: "质子交换膜燃料电池堆自加热冷启动仿真研究", 《客车技术与研究》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113314736A (en) * 2021-07-30 2021-08-27 北京亿华通科技股份有限公司 Control method of fuel cell system integrated with alternating current impedance function
CN116231006A (en) * 2023-05-10 2023-06-06 上海重塑能源科技有限公司 Fuel cell low-temperature non-auxiliary hot and cold starting method and system
CN116231006B (en) * 2023-05-10 2023-07-11 上海重塑能源科技有限公司 Fuel cell low-temperature non-auxiliary hot and cold starting method and system

Also Published As

Publication number Publication date
CN111916787B (en) 2022-08-09

Similar Documents

Publication Publication Date Title
CN105702979B (en) A kind of startup method of fuel cell pile in subzero temperature
JP4931709B2 (en) Fuel cell system with water management plan for freezing performance
JP5157163B2 (en) FUEL CELL SYSTEM AND FUEL CELL SYSTEM MOUNTING BODY
CN102569854B (en) Portable power supply system of proton exchange membrane fuel cell (PEMFC)
CN201590452U (en) Water-cooled proton exchange film fuel cell stack control system
CN111916787B (en) Miniature fuel cell and low-temperature starting operation method thereof
CN103579651B (en) Portable proton exchange film fuel battery power-supply system
CN102437357B (en) Water balance system of fuel cell
CN207426027U (en) A kind of fuel cell hydrogen-feeding system with integrated heating function
CN103219535A (en) Method for controlling cold starting of proton exchange membrane fuel battery stack
WO2019109844A1 (en) Direct liquid fuel cell power generation device
CN202712342U (en) Fuel cell device
CN111211337A (en) Direct methanol fuel cell system
CN203218380U (en) Device for cold start of proton exchange membrane fuel cell
CN202444020U (en) Portable PEMFC (Proton Exchange Membrane Fuel Cell) power supply system
JP5256586B2 (en) Fuel cell system
US8927165B2 (en) Stack cathode inlet RH (relative humidity) control without RH sensing device feedback
KR101101049B1 (en) A system for warming up a stack in a fuel cell
JP2010003494A (en) Fuel cell system and its operation method
JP4797346B2 (en) Fuel cell system
JP2006190616A (en) Scavenging processor for fuel cell system, and method for scavenging
CN214203758U (en) Solid oxide fuel cell power generation system
CN110808388B (en) Self-humidifying fuel cell stack lossless starting system and method
US7534511B2 (en) Thermal control of fuel cell for improved cold start
CN207909981U (en) A kind of cold boot of fuel cell device

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