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WO2018131817A1 - Système de piles à combustible - Google Patents

Système de piles à combustible Download PDF

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Publication number
WO2018131817A1
WO2018131817A1 PCT/KR2017/015120 KR2017015120W WO2018131817A1 WO 2018131817 A1 WO2018131817 A1 WO 2018131817A1 KR 2017015120 W KR2017015120 W KR 2017015120W WO 2018131817 A1 WO2018131817 A1 WO 2018131817A1
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WO
WIPO (PCT)
Prior art keywords
current density
fuel cell
voltage
performance curve
flow rate
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.)
Ceased
Application number
PCT/KR2017/015120
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English (en)
Korean (ko)
Inventor
이다호라
양재춘
한승훈
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.)
LG Chem Ltd
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LG Chem Ltd
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Filing date
Publication date
Application filed by LG Chem Ltd filed Critical LG Chem Ltd
Publication of WO2018131817A1 publication Critical patent/WO2018131817A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • 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
    • 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
    • H01M8/04298—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
    • H01M8/0438—Pressure; Ambient pressure; Flow
    • 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
    • H01M8/04492—Humidity; Ambient humidity; Water content
    • 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
    • H01M8/04589—Current of 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
    • H01M8/04313—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
    • H01M8/04664—Failure or abnormal function
    • 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
    • H01M8/04664—Failure or abnormal function
    • H01M8/04679—Failure or abnormal function of fuel cell stacks
    • 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

Definitions

  • the present application relates to a fuel cell system.
  • the fuel cell is provided as a stack in which several tens to hundreds of unit cells are stacked, and the unit cell is a gas diffusion layer that delivers an electrode-membrane assembly (MEA) and a reactor body in which an electrochemical reaction occurs.
  • MEA electrode-membrane assembly
  • GDL Gas Diffusion Layer
  • the electrode membrane assembly is configured to include an anode, a cathode, and a polymer electrolyte membrane provided between the two electrodes.
  • the fuel cell of the above configuration can generate electrical energy together with water. Specifically, electrons and hydrogen ions generated by the oxidation reaction of hydrogen generated in the anode move through the electrolyte membrane and the separator, respectively, to the cathode, and electrochemical reactions with oxygen generate electrical energy together with water. At this time, since sufficient humidification condition contributes to smooth movement of hydrogen ions to the cathode, it is necessary to operate the fuel cell stack in a sufficient humidification state, or to control the fuel cell to be operated at the next optimal condition even if it is not sufficiently humidified. It is one of the factors to consider in order to prevent the reduction.
  • One object of the present application is to solve the voltage drop phenomenon of the fuel cell stack due to insufficient humidification state during the initial operation of the fuel cell, and thereby the durability degradation problem.
  • the system of the present application comprises a fuel cell stack; A calculator for calling the current density-voltage performance curve of the fuel cell stack and calculating the slope of the called current density-voltage performance curve; And a controller configured to control operating conditions of the fuel cell based on the current density-voltage performance curve and its slope.
  • control unit lowers or minimizes the flow rate of the reaction gas supplied to the cathode and the anode when the current density-voltage performance curve has a voltage value less than the set voltage value in a predetermined current density section.
  • the calculator may be provided to calculate the slope of the current density-voltage performance curve.
  • the calculation unit may be provided to call the current density-voltage performance curve under the condition that a current density of 1 A / cm 2 or less is applied.
  • the calculation unit may be arranged to call the current density-voltage performance curve under the condition that the relative humidity of air and hydrogen supplied to the fuel cell stack is 80% or less.
  • the predetermined current density section may mean a section in which a current density of 1 A / cm 2 or less is applied or a section of a minimum flow rate reference current density or less.
  • the set voltage value may be 0.4V.
  • the controller when the slope of the current density-voltage performance curve calculated by the calculation unit is ⁇ 0.1 V ⁇ cm 2 / A or more, the controller lowers or minimizes the flow rate of the gas supplied to the cathode and the anode.
  • the flow reference current density can be lowered.
  • the controller may not change the operating condition when the slope of the current density-voltage performance curve calculated by the calculator is less than ⁇ 0.1 V ⁇ cm 2 / A.
  • the fuel cell stack may be controlled by the controller to operate in consideration of the stoichiometric ratio.
  • one or more of a temperature sensor, a humidity sensor, a pressure sensor, a flow sensor, a current sensor, or a voltage sensor may be further included.
  • the fuel cell system may measure in real time the operating conditions of any one or more of the inlet concentration, flow rate, pressure, humidity, or temperature of the reaction gas, or the current density or voltage applied to the fuel cell. have.
  • the controller may lower the temperature of the fuel cell stack instead of lowering the flow rate of the gas supplied to the cathode and the anode or lowering the minimum flow reference current density.
  • the present application relates to a method of controlling the operation of a fuel cell based on a current density-voltage performance curve of a fuel cell stack.
  • a fuel cell system and a control method thereof capable of preventing a voltage drop of a fuel cell appearing at low humidification conditions during initial driving, and thus deterioration of an electrode-membrane assembly or deterioration of long-term durability of the fuel cell Can be provided.
  • FIG. 1 is a graph showing a current density-voltage curve of a fuel cell stack measured when a reaction gas, that is, hydrogen and air (oxygen) is supplied at a relative humidity of 32%.
  • a reaction gas that is, hydrogen and air (oxygen) is supplied at a relative humidity of 32%.
  • FIG. 2 is a graph showing current density-voltage curves and slopes of a fuel cell stack measured when a reaction gas is supplied at a relative humidity of 50%.
  • FIG. 3 schematically illustrates a concept of a fuel cell system according to an example of the present application.
  • FIG. 1 is a graph showing a current density-voltage curve of a fuel cell stack measured when a reaction gas is supplied at a relative humidity of 32%. Specifically, FIG. 1 shows that the stoichiometric ratio of hydrogen supplied to the cathode and oxygen supplied to the anode is 1.5: 2.0, and the current applied to the fuel cell is gradually increased at a predetermined ratio (about 50 mA / cm 2 per hour). The current density-voltage curve observed when increasing is shown.
  • an increase in the current density may mean an increase in the reaction. This may mean that more reactants, ie more oxygen and hydrogen, are required.
  • the fuel cell system can be controlled so that a chemical reaction can occur or the fuel cell can be driven normally, so that a constant (minimum) flow rate can be supplied to the fuel cell stack.
  • a gas with a constant flow rate can be supplied to the fuel cell stack when a current of less than the set current density value is applied, and when the current exceeds a set current density value, the gas flow increases.
  • the fuel cell can be controlled to supply gas at a corresponding flow rate.
  • the set current density value may be referred to as a minimum flow reference current density.
  • Figure 1 if the minimum flow rate based on the current density is set to 800 mA / cm 2, to which the current density of 800 mA / cm 2 or less is a certain amount of gas, i.e., 212 cc / min hydrogen and This is measured with the fuel cell system controlled to supply 672 cc / min of air (oxygen).
  • gas i.e., 212 cc / min hydrogen
  • the voltage is rapidly reduced in the section below about 200 mA / cm 2 , 200 mA / cm 2 After passing through the voltage is increasing rapidly again.
  • 800 mA / cm 2 800 mA / cm 2 when compared to the following sections
  • the change (decrease or increase) of the voltage decreases (stabilizes). This is because the flow rate of hydrogen and oxygen set to be supplied in a certain amount in a section below the minimum flow reference current density (800 mA / cm 2 ) is excessive, so that the rate at which the electrolyte membrane is dried is faster than the rate at which the electrolyte membrane is humidified. This is because the voltage change (drop) sharpens as the conductivity decreases.
  • the inflection point observed in the region below the minimum flow reference current density may mean that the electrolyte membrane's drying rate is predominant, thereby deteriorating the ion conductivity of the electrolyte membrane and deteriorating fuel cell performance. Can be.
  • the inflection point observed in the region below the minimum flow reference current density may mean that the same voltage may appear at different current densities (repetition of voltage drop and voltage rise). Since the change in performance is large, it can be directly linked to the problem of deterioration in durability of the fuel cell.
  • FIG. 2 is a graph showing current density-voltage curves and slopes of a fuel cell stack measured when a reaction gas is supplied at a relative humidity of 50%.
  • FIG. 2 (a) shows that the stoichiometric ratio of hydrogen supplied to the cathode and oxygen supplied to the anode is set to 1.5: 2.0, and the minimum flow reference current density is set to 800 mA / cm 2 and applied to the fuel cell. It shows the current density-voltage curve observed when the current to be gradually increased at a predetermined rate.
  • 212 cc / min of hydrogen and 672 cc / min of air (oxygen) were supplied in the section below 800 mA / cm 2 which is the minimum flow reference current density.
  • a fuel cell system of the present application includes a fuel cell stack; A calculator for calculating a current density-voltage performance curve and a slope of the fuel cell stack; And a controller configured to determine and / or control an operating condition of a fuel cell based on the performance curve or its slope value.
  • 3 conceptually illustrates a fuel cell system according to an example of the present application.
  • the fuel cell stack used in the system of the present application may have the same configuration as that of a general fuel cell.
  • the fuel cell stack of the present application includes an electrode-membrane assembly (MEA) in which an electrochemical reaction takes place, a gas diffusion layer (GDL) for delivering a reactor, a flow path for supplying fuel and discharging water generated by the reaction. It may have a structure in which a plurality of unit cells including a separator plate is formed, and a gasket for preventing leakage of the reactor body and cooling water.
  • MEA electrode-membrane assembly
  • GDL gas diffusion layer
  • It may have a structure in which a plurality of unit cells including a separator plate is formed, and a gasket for preventing leakage of the reactor body and cooling water.
  • the electrode-membrane assembly may include an anode, a cathode, and a polymer electrolyte membrane provided therebetween, similarly to the structure of the electrode-membrane assembly used in a conventional fuel cell.
  • specific components of the fuel cell stack are not particularly limited, but a fuel cell configured to exhibit a commercially required level of performance may be used.
  • a fuel cell having a commercially required level of performance is, for example, 0.4 V or more, or 0.6 V at a current density of 1 A / cm 2, even if a voltage drop occurs after application of current, based on a current density-voltage performance curve. It may mean a fuel cell configured to exhibit the above performance.
  • the determination of the operating conditions of the fuel cell stack and / or the control of the operating conditions may be made based on the current density-voltage curve of the fuel cell stack.
  • the operating conditions in the present application are not particularly limited, and may be, for example, an inflow concentration, a flow rate, a pressure, a humidity, a temperature associated with a reaction gas, or may be such as a current (density) or a voltage applied to the fuel cell. .
  • the system of the present application may further include an operating condition measuring unit.
  • the measuring unit may include one or more of a temperature sensor, a humidity sensor, a pressure sensor, a flow sensor, a current sensor, or a voltage sensor, and the sensors may measure each operating condition in real time.
  • a current density-voltage performance curve is called, and the slope of the performance curve can be calculated based on the called performance curve.
  • the performance curve and its slope may be called and calculated by the calculation unit, respectively.
  • the calculator may call the current density-voltage performance curve in a section where a current density of 2 A / cm 2 or less, 1.5 A / cm 2 or less or 1 A / cm 2 or less is applied.
  • a section in which a current density of 1 A / cm 2 or less is applied may be referred to as the initial stage of driving of the fuel cell.
  • the system of the present application may check the operating state or operating condition for the initial fuel cell driving through the current density-voltage performance curve, and reflect this in the operating condition control.
  • the calculator may call the current density-voltage performance curve under low humidification where the relative humidity of the gas, ie air (oxygen) and / or hydrogen, supplied to the fuel cell stack is 80% or less.
  • the relative humidity of these gases is 80% or less, the decrease in the ionic conductivity in the electrolyte membrane may be accelerated depending on the fuel cell operating conditions, and thus the fuel cell durability may be particularly concerned.
  • the system of the present application may check the operating state or the operating condition in the low-humidity state through the current density-voltage performance curve and reflect it in the operating condition control.
  • the controller may determine differently the operating condition (state) of the fuel cell according to the aspect of the called current density-voltage performance curve.
  • the predetermined current density section used for the operation state determination means a section to which a current density of 2 A / cm 2 or less, 1.5 A / cm 2 or less, or 1 A / cm 2 or less is applied, or a minimum flow rate. It may mean a section in which a current density of less than or equal to the reference current density is applied. In this case, the minimum flow reference current density may be set by the controller.
  • the controller may determine that the fuel cell is normally driven (operated). .
  • the calculator may additionally calculate the slope of the performance curve.
  • the predetermined predetermined voltage value is a value determined in consideration of the use or configuration of the fuel cell, and may be set by the controller.
  • the predetermined predetermined voltage value may mean a voltage value enough to confirm whether the commercially required level of performance is achieved, and may be 0.4 V or 0.6 V, for example.
  • the controller may determine that the fuel cell is not normally driven. In a predetermined section, the voltage less than the preset value is observed when the drying speed of the electrolyte membrane is predominantly higher than the humidification speed, so that the ion conductivity of the electrolyte membrane is accelerated and the voltage drop of the fuel cell is accelerated. Because it can. If the controller determines in this way, the controller can immediately control the operating conditions as described below without calculating the performance curve slope by the calculator.
  • the controller may proceed with the additional operation condition determination and control as follows.
  • Examples of operating conditions controlled based on the determination of the controller include inflow concentration, flow rate, pressure, humidity, and temperature associated with the reaction gas, or examples of current (density) and voltage applied to the fuel cell. .
  • the controller may simultaneously adjust the current density and the supply flow rate of the reaction gas. Specifically, it is possible to control the flow rate of hydrogen and oxygen supplied so as to satisfy the stoichiometric ratio such that a chemical reaction corresponding to the applied current density can occur. The reverse is also possible. In the present application, such operation may be referred to as operation in which the stoichiometric ratio is considered.
  • the controller re-determines whether the slope is -0.1 V ⁇ cm 2 / A or more.
  • the controller re-determines whether the slope is -0.1 V ⁇ cm 2 / A or more.
  • the controller re-determines whether the slope is -0.1 V ⁇ cm 2 / A or more.
  • the controller re-determines whether the slope is -0.1 V ⁇ cm 2 / A or more.
  • the controller re-determines whether the slope is -0.1 V ⁇ cm 2 / A or more.
  • the controller re-determines whether the slope is -0.1 V ⁇ cm 2 / A or more.
  • control unit may lower the flow rate of the gas supplied to the cathode and the anode in order to avoid operating conditions in which the drying rate is faster than the humidification rate of the electrolyte membrane.
  • the predetermined section is a section in which a current density of less than or equal to the minimum flow reference current density is applied
  • the controller lowers the minimum flow reference current density to reduce the flow rate of the gas supplied at a constant flow rate at a low current density value than before. You can.
  • the latter measure presupposes the operation taking into account the current density and stoichiometric ratio between the fluids to be supplied, and in operation considering the stoichiometric ratio, lowering the minimum flow reference current density and directly adjusting the flow rate of the gas supplied to the cathode and the anode. Lowering can be treated with the same prescription.
  • the controller may not change the operating conditions because it may be determined that the inclination of the IV curve is relatively low to reach the inflection point.
  • the control unit may lower the flow rate of the gas supplied to the cathode and the anode to avoid the condition in which the drying rate of the electrolyte membrane is significantly superior to the humidification rate and to increase the degree of humidification.
  • the predetermined section is a section in which a current density of less than or equal to the minimum flow reference current density is applied, the controller lowers the minimum flow reference current density to reduce the flow rate of the gas supplied at a constant flow rate at a low current density value than before. You can.
  • the latter formulation is based on the operation considering the current density and the stoichiometric ratio between the fluids supplied, and in operation considering the stoichiometric ratio, lowering the minimum flow reference current density and the flow rate of the gas supplied to the cathode and the anode. Directly lowering can be treated with the same prescription.
  • the controller may control temperature or humidity. For example, the controller may lower the temperature of the fuel cell stack. Lowering the temperature of the fuel cell stack can have an effect similar to increasing the relative humidity of the gas supplied to the stack, rather than lowering the temperature of the stack, even if other process conditions do not change.
  • the temperature drop of the stack may be achieved by lowering the coolant temperature by the controller or by operating a cooler fan.
  • the calculator may call or calculate the current density-voltage performance curve and its slope in real time, and the controller may determine whether to control and determine the operating conditions as mentioned above based on the performance curve and the slope. Can be done in real time.
  • FIG. 4 is a graph of a current density-voltage performance curve and its slope measured using the same sample as the fuel cell used in the graph of FIG. 2 but with a relative humidity lowered to 32%, according to one embodiment of the present application.
  • the driving condition control and the result thereof are shown.
  • FIG. 4 (a) sets the minimum flow reference current density to 800 mA / cm 2 and supplies 212 cc / min of hydrogen and 672 cc / min of air (oxygen) in a section of 800 mA / cm 2 or less.
  • the result is a graph.
  • Figure 4 (b) is set to the minimum flow rate reference current density to 200 mA / cm 2 , supplying 57 cc / min hydrogen and 180 cc / min air (oxygen) in the section below 200 mA / cm 2
  • the result is a graph shown.
  • the minimum flow rate reference current density and the flow rate of the supplied gas was set to the control unit to be adjusted according to the stoichiometric ratio.
  • the minimum flow reference current density was reduced to 200 mA / cm 2 , and 57 cc / min of hydrogen and 180 cc / min of air (oxygen) in a section of 200 mA / cm 2 or less.
  • the result of supply is a graph shown.
  • the minimum flow rate reference current density and the flow rate of the supplied gas was set to the control unit to be adjusted according to the stoichiometric ratio.
  • the present application relates to a method of controlling a fuel cell.
  • the control method includes calling a current density-voltage performance curve of a fuel cell stack and comparing a voltage value of a performance curve observed in a predetermined current density section with a preset voltage value; And calculating a slope of the performance curve when the voltage value of the performance curve has a voltage value greater than or equal to a preset voltage value. Specifically, in the control method, when the slope of the calculated performance curve is -0.1 V ⁇ cm 2 / A or more, the flow rate of the gas supplied to the cathode and the anode may be lowered or the minimum flow rate reference current density may be lowered.
  • control method by comparing the voltage value of the performance curve and the predetermined voltage value, when the voltage value of the performance curve has a voltage value less than the predetermined voltage value, the flow rate of the gas supplied to the cathode and the anode Can be lowered or the minimum flow reference current density can be lowered.
  • control method of the present application can be made so that it is possible to execute operation condition determination and control performed by each component described in connection with the above-described fuel cell system.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
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Abstract

La présente invention concerne un système de piles à combustible comprenant : un empilement de piles à combustible ; une unité de calcul permettant de calculer une courbe de performance de densité de courant-tension de l'empilement de piles à combustible et une pente associée ; et une unité de commande permettant de déterminer et/ou de commander un état de fonctionnement d'une pile à combustible sur la base de la courbe de performance ou d'une valeur de la pente.
PCT/KR2017/015120 2017-01-13 2017-12-21 Système de piles à combustible Ceased WO2018131817A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2017-0005963 2017-01-13
KR1020170005963A KR20180083552A (ko) 2017-01-13 2017-01-13 연료전지 시스템

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WO2018131817A1 true WO2018131817A1 (fr) 2018-07-19

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CN114122465A (zh) * 2021-11-25 2022-03-01 重庆地大工业技术研究院有限公司 一种修正燃料电池系统动态加载斜率的控制方法

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KR102855174B1 (ko) * 2019-12-06 2025-09-03 현대자동차주식회사 연료전지 시스템 운전 제어 방법

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KR101362054B1 (ko) * 2012-09-19 2014-02-13 현대자동차 주식회사 연료 전지의 전류 제어 방법

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JP2002175821A (ja) * 2000-12-05 2002-06-21 Toyota Central Res & Dev Lab Inc 燃料電池システム
JP2007042477A (ja) * 2005-08-04 2007-02-15 Nissan Motor Co Ltd 燃料電池システム
JP2008066120A (ja) * 2006-09-07 2008-03-21 Nissan Motor Co Ltd 燃料電池システム
KR20120136387A (ko) * 2010-05-25 2012-12-18 도요타 지도샤（주） 연료 전지 시스템 및 그 제어 방법
KR101362054B1 (ko) * 2012-09-19 2014-02-13 현대자동차 주식회사 연료 전지의 전류 제어 방법

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114122465A (zh) * 2021-11-25 2022-03-01 重庆地大工业技术研究院有限公司 一种修正燃料电池系统动态加载斜率的控制方法
CN114122465B (zh) * 2021-11-25 2023-11-28 重庆地大工业技术研究院有限公司 一种修正燃料电池系统动态加载斜率的控制方法

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