DK201670121A1 - System and method for adjusting the temperature of cooling-liquid for a fuel cell - Google Patents

System and method for adjusting the temperature of cooling-liquid for a fuel cell Download PDF

Info

Publication number
DK201670121A1
DK201670121A1 DKPA201670121A DKPA201670121A DK201670121A1 DK 201670121 A1 DK201670121 A1 DK 201670121A1 DK PA201670121 A DKPA201670121 A DK PA201670121A DK PA201670121 A DKPA201670121 A DK PA201670121A DK 201670121 A1 DK201670121 A1 DK 201670121A1
Authority
DK
Denmark
Prior art keywords
fuel cell
liquid
coolant
heat exchanger
fuel
Prior art date
Application number
DKPA201670121A
Other languages
Danish (da)
Inventor
Mads Bang
Anders Risum Korsgaard
Original Assignee
Serenergy As
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 Serenergy As filed Critical Serenergy As
Priority to DKPA201670121A priority Critical patent/DK178852B1/en
Priority to PCT/DK2017/050058 priority patent/WO2017148487A1/en
Application granted granted Critical
Publication of DK178852B1 publication Critical patent/DK178852B1/en
Publication of DK201670121A1 publication Critical patent/DK201670121A1/en

Links

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
    • H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
    • H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
    • H01M8/0612—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material
    • H01M8/0618—Reforming processes, e.g. autothermal, partial oxidation or steam reforming
    • 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
    • H01M8/04029—Heat exchange using liquids
    • 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
    • H01M8/04358—Temperature; Ambient temperature of the coolant
    • 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
    • H01M8/04746—Pressure; Flow
    • H01M8/04768—Pressure; Flow of the coolant
    • 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
    • H01M8/10—Fuel cells with solid electrolytes
    • H01M2008/1095—Fuel cells with polymeric electrolytes
    • 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

  • 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)
  • Fuel Cell (AREA)

Abstract

A fuel cell system, comprising a fuel cell, a liquid fuel supply for providing liquid fuel, an evaporator for evaporating the liquid fuel to fuel vapor, a reformer for catalytic conversion of the fuel vapor to syngas for the fuel cell, and a cooling circuit for cooling the fuel cell by cooling-liquid. The cooling circuit comprises a flow-channel serially connecting the fuel cell, a first heat exchanger and a valve in a manner that the cooling-liquid flows in circulation. Further, the cooling circuit comprising a bypass channel connecting an upstream and a downstream of the first heat exchanger by bypassing the first heat exchanger and the valve. The bypass channel passes through the evaporator for transferring heat from the cooling-liquid to the liquid fuel for evaporation of the liquid fuel in the evaporator. The first heat exchanger and the valve are relatively small and compact as the bypass flow is dominant and only a minor amount of coolant is flowing through the first heat exchanger and valve.

Description

System and method for adjusting the temperature of cooling-liquid for a fuel cell
FIELD OF THE INVENTION
The present invention relates to a system and method for operating a fuel cell system. In particular, it relates to adjusting the temperature of cooling-liquid for the fuel cell.
BACKGROUND OF THE INVENTION
Fuel cell systems generate heat as a by-product when generating electricity. This heat is removed by cooling-liquid that circulating through channels in the fuel cell, where the flow of cooling-liquid through heat exchangers and radiators is adjusted to keep the fuel cell at a steady temperature for optimized operation US patent application No. 2014/0147764 discloses a fuel cell system in which the cooling-liquid circulation system comprises a branch that divides the cooling-liquid into a first portion that passes through a radiator for cooling and a second portion that bypasses the radiator. The second portion is splits into two further sub-portions, where one sub-portion passes through a temperature regulating thermostatic three way valve and combines with the first portion inside the valve, and where a second sub-portion by-passes the valve in a by-pass channel before being combined with the cooling-liquid downstream of the valve. The by-pass channel is used to secure a flow of cooling-liquid through the fuel cell even if the valve is fully closed. In order to safeguard sufficient cooling-liquid passing through the radiator during normal operation, the bypass channel is relatively small, creating sufficient back pressure. Accordingly, the second sub-portion that flows through the by-pass channel is substantially less than the flow through the valve itself. In order to provide a compact technical solution, the bypass channel is provided as part of the valve housing, merely by-passing the flow-adjusting valve member. Thus, although, the objective of this disclosure is to provide a compact technical solution, useful for vehicles, the valve housing has to be of a substantial size in order to accommodate the entire flow of the cooling-liquid.
Also Japanese patent application JP2004-178826 discloses a cooling circuit for a fuel cell in which part of the cooling-liquid is by-passing the radiator. However, also in this case, all of the cooling-liquid flows through a three way valve.
It would be desirable to provide an even more compact technical solution in order to reduce size, weight, and production costs.
DESCRIPTION / SUMMARY OF THE INVENTION
It is the objective of the invention to provide an improvement in the art. In particular, it is an objective to provide a compact fuel cell system. It is a further objective to provide a simple and compact technical solution for temperature adjustment of the cooling-liquid for the fuel cell. These objectives are obtained with systems and methods as explained in more detail in the following.
The fuel cell system comprises a fuel cell, for example, a fuel cell stack. Typically, the fuel cells in the stack are interconnected to share a common cooling circuit. For example, the fuel cells are high temperature proton exchange membrane fuel cells, also called high temperature proton electrolyte membrane (HTPEM) fuel cells, which operate above 120 degrees centigrade, differentiating HTPEM fuel cell from low temperature PEM fuel cells, the latter operating at temperatures below 100 degrees, for example at 70 degrees. The operating temperature of HTPEM fuel cells is the range of 120 to 200 degrees centigrade, for example in the range of 160 to 170 degrees centigrade. The electrolyte membrane in the HTPEM fuel cell is mineral acid based, typically a polymer film, for example polybenzimidazole doped with phosphoric acid.
When using liquid fuel, hydrogen for the fuel cell is generated by conversion of the liquid fuel into a synthetic gas, also called syngas, containing high amounts of gaseous hydrogen. An example of liquid fuel is a mixture of methanol and water, but other liquid fuels can also be used, especially, other alcohols, including ethanol. For the conversion, the liquid fuel is evaporated in an evaporator and converted in a reformer for catalytic conversion of the fuel vapour to syngas prior to entering the fuel cell. HTPEM fuel cells are advantageous in being tolerant to relatively high CO concentration and are therefore not requiring PrOx reactors between the reformer and the fuel cell stack, why simple, lightweight and inexpensive reformers can be used, which minimizes the overall size and weight of the system in line with the purpose of providing compact fuel cell systems, for example for automobile industry.
For receiving the liquid fuel, the evaporator has an upstream liquid conduit to the liquid fuel supply and is configured for evaporating the liquid fuel to fuel vapour which is then fed into the reformer through a vapour conduit between the downstream side of the evaporator and the upstream side of the reformer. In addition, the reformer has a downstream syngas conduit to the fuel cell through which syngas is provided to the fuel cell.
In order to reach the temperature relevant for the conversion process in the reformer, for example around 280 degrees centigrade, a burner is optionally employed, although, also electrical heating can be used. For example, the exhaust gas of a burner is used for heating the walls of the reformer, typically by flow of the hot gas along the outer walls of the reformer. A cooling-liquid circuit is provided for cooling the fuel cell by cooling-liquid. The cooling-liquid circuit comprises a first heat exchanger configured for cooling of the cooling-liquid prior to entering the fuel cell. The cooling-liquid circuit comprises a cooling-liquid circulation channel serially connecting the fuel cell, the first heat exchanger and a valve in a manner that the cooling-liquid flows in circulation. In addition, the cooling-liquid circuit comprising a bypass channel connecting an upstream and a downstream of the first heat exchanger by bypassing the first heat exchanger. This bypass channel is bypassing the valve and passing through an evaporator heat exchanger inside the evaporator and transferring heat from the cooling-liquid to the liquid fuel for evaporation of the liquid fuel in the evaporator. A substantial amount of heat from the cooling-liquid is used for evaporation of liquid fuel. This way, a part of the necessary reduction in temperature for the cooling-liquid is caused by the evaporator. Another part of heat is removed by flow of cooling liquid through the first heat exchanger and the valve. However, as the heat loss in the first heat exchanger is efficient, the flow through the first heat exchanger and valve is substantially lower than the flow of cooling liquid through the bypass channel and the evaporator. For example, the flow through the valve is less than half of the flow through the evaporator. Therefore, also, the dimensioning of the first heat exchanger and valve can be kept small.
For example, the temperature of the cooling-liquid is 170 degrees centigrade at the exit of the fuel cell stack and needs to be cooled to 160 degrees centigrade. This drop of 10 degrees is mainly achieved with the evaporator. However, minor adjustments of a few degrees are made finally, for example downstream of the evaporator, by controlled addition in the bypass channel of cooling-liquid that has passed through the first heat exchanger. For this purpose, optionally, cooling-liquid is cooled to a temperature in the range of 60 to 120 degrees centigrade in the first heat exchanger. Only a small portion of cooling-liquid at 60 degrees centigrade has to be added to a cooling-liquid at about 160 degrees in order to cause a small temperature drop of a few degrees.
This implies that the cooling-liquid circulation channel, the heat exchanger and the valve can be kept relatively compact and with low weight, which also reduces production costs and transport costs of the system. Especially, due to the serial configuration of the cooling-liquid circulation channel, the valve can be provided as a two-way valve. Such two way valve is in contrast to the aforementioned prior art, where a three way valve is necessary for the flow.
For example, the first heat exchanger comprises an air blown cooler configured for blowing air on the cooler for transfer of heat from the cooling-liquid in the first heat exchanger to the air.
It is for sake of clarity pointed out here that all temperatures herein are given in degrees centigrade.
SHORT DESCRIPTION OF THE DRAWINGS
The invention will be explained in more detail with reference to the drawing, where FIG. 1 illustrates a fuel cell system with a cooling circuit
DETAILED DESCRIPTION / PREFERRED EMBODIMENT FIG. 1 illustrates a fuel cell system with a cooling circuit that cools the fuel cell and heats liquid fuel for evaporation.
The fuel cell system comprises a fuel cell stack for which liquid fuel, for example a mixture of methanol and water is supplied from the fuel supply tank. In liquid conduit P-8, the liquid fuel is guided into the evaporator, in which the temperature of the liquid fuel is raised in the fuel heat exchange conduit P-10 until evaporation of the fuel. The vapour is fed into a reformer that converts the vapour catalytically into syngas, for example by using a catalyser, optionally comprising copper. Syngas mainly consist of hydrogen and carbon dioxide and a small content of water mist and carbon monoxide. The syngas is supplied through a syngas conduit (not shown) to the fuel cell stack anode side of the proton electrolyte membrane, while oxygen, typically from air, is supplied to the cathode side of the proton electrolyte membrane.
In order to reach the temperature relevant for the conversion process in the reformer, for example around 280 degrees centigrade, a burner is advantageously employed, typically, using anode waste gas for burning. For example, the exhaust gas of the burner has a temperature of 350-400 degrees centigrade and is used for heating the walls of the reformer, typically by guiding the exhaust gas along an outer wall of the reformer.
For evaporation, cooling-liquid at a high temperature in the range of 120 to 200 degrees centigrade, for example at 170 degrees centigrade, is guided from the exit portion of the fuel cell stack through cooling-liquid channel P-2, a pump, and a further cooling-liquid channel P-3 into the cooling-liquid heat exchange conduit P-5 inside the evaporator, the cooling-liquid heat exchange conduit P-5 being in thermal connection with the fuel heat exchange conduit P-10 for transfer of heat from the cooling-liquid to the liquid fuel for evaporation thereof, which causes a drop in the temperature of the cooling liquid. This drop brings the cooling-liquid close to the temperature needed at the entrance of the fuel cell stack and only minor adjustments of the temperature are necessary for precise control of the cooling-liquid temperature at the entrance of the fuel cell stack.
For example, the temperature of a high temperature PEM fuel cell stack is 170 degrees centigrade, and in the evaporator, the temperature drops close to 160 degrees, which is the temperature needed at the entrance of the fuel cell stack.
Accordingly, the flow of cooling-liquid through the evaporator is dominant and only a minor part of the cooling-liquid is led through a first heat exchanger by heat exchanger channel P-4 which branches off the further cooling-liquid channel P-3. The cooling-liquid through the first heat exchanger is cooled down to a lower temperature, typically in the range of 60-120 degrees centigrade. Only a relatively small volume of cooling-liquid through channels P6 and P-7 downstream of the first heat exchanger is necessary to add to the cooling-liquid in cooling-liquid heat exchange conduit P-5 inside the evaporator, the small amount being precisely controlled and adjusted through valve V-l, which advantageously is a two-way valve. For controlled and precise adjustment of the temperature of the cooling-liquid flowing into the fuel cell stack after combination from cooling-liquid heat exchange conduit P-5 and channels P-7 downstream of the first heat exchanger, a system controller (not shown) is provided which measures the temperature at the entrance of the fuel cell stack and regulates the flow of cooling-liquid through the valve V-l.
As an example, the following parameters apply. For a HTPEM stack delivering 5 kW, typical dimensions are 0.5 m x 0.25 m x 0.14 m. The flow through the valve is less than half of the flow through the evaporator, which corresponds to 33% of the total flow through the first heat exchanger and the valve. Typically, the flow through the first heat exchanger and the valve is less than 25% of the total flow. For example, the total flow of cooling liquid is 12 1/min. A flow of 2 1/min through the first heat exchanger and the valve would suffice for the desired temperature reduction of the cooling liquid. This implies that the remaining 10 1/min would flow through the evaporator. Thus, the flow through the first heat exchanger and the first valve is less than 20% of the total flow of cooling liquid, which is only a minor fraction. This implies that the first heat exchanger as well as the valve can be made small. Examples of weight and dimensions of the first heat exchanger and the valve are 1 kg and within 100x100x300 mm. For example, the entire fuel cell stack with burner, evaporator and reformer have a weight of around 20 kg, and an entire fuel cell system including electronics, cooling-liquid pump, first heat exchanger and valve weighs in the order of 40-45 kg. Even a few kg saving by reducing the size and weight of the heat exchanger and valve implies a substantial increase of the efficacy in terms of W/kg. This efficacy increase relatively to the weight is important in cases where low weight and high power is essential, such as in automobiles and aircrafts.
For these reasons, the branched cooling-liquid system is an important contribution in increase of overall efficacy relatively to the weight.

Claims (11)

1. Et brændselscellesystem omfattende: en brændselscelle; en flydende-brændstof-forsyning for at tilvejebringelse flydende brændstof; en fordamper udformet til fordampning af det flydende brændstof til brændstofdamp og med en opstrøms væskeledning til den flydende-brændstof-forsyning til modtagelse af det flydende brændstof; en reformer udformet til katalytisk omdannelse af brændstofdampen til syngas, hvor reformeren har en opstrøms dampledning til fordamperen til modtagelse af brændstofdampe og en nedstrøms syntesegas-ledning til brændselscellen til at levere syngas til brændselscellen; et kølevæskekredsløb til køling af brændselscellen ved hjælp af kølevæske, hvor køle-væskekredsløbet omfatter en første varmeveksler udformet til køling af kølevæsken før indløb i brændselscellen; hvor kølevæskekredsløbet omfatter en kølevæske-cirkulations-kanal, der serielt forbinder brændselscellen, den første varmeveksler og en ventil således, at kølevæsken cirkulerer gennem brændselscellen, varmeveksleren og ventilen; hvor kølevæskekredsløbet omfatter en bypass-kanal mellem opstrøms og nedstrøms i forhold til første varmeveksler ved derved at omgå den første varmeveksler; kendetegnet ved, at bypass-kanalen omgår ventilen og passerer gennem en fordampervarmeveksler indeni fordamperen for at overføre varme fra kølevæsken til det flydende brændstof og for at bevirke fordampning af det flydende brændstof i fordamperen.A fuel cell system comprising: a fuel cell; a liquid-fuel supply for providing liquid fuel; an evaporator designed to evaporate the liquid fuel for fuel vapor and with an upstream liquid line for the liquid-fuel supply for receiving the liquid fuel; a reformer designed for catalytic conversion of the fuel vapor to syngas, wherein the reformer has an upstream steam line to the vaporizer to receive fuel vapors and a downstream synthesis gas line to the fuel cell to supply syngas to the fuel cell; a coolant circuit for cooling the fuel cell by means of coolant, the coolant circuit comprising a first heat exchanger designed to cool the coolant prior to entry into the fuel cell; wherein the coolant circuit comprises a coolant circulation channel serially connecting the fuel cell, the first heat exchanger and a valve such that the coolant circulates through the fuel cell, heat exchanger and valve; wherein the coolant circuit comprises a bypass channel between upstream and downstream relative to the first heat exchanger, thereby bypassing the first heat exchanger; characterized in that the bypass duct bypasses the valve and passes through an evaporator heat exchanger inside the evaporator to transfer heat from the coolant to the liquid fuel and to cause evaporation of the liquid fuel in the evaporator. 2. Et brændselscellesystem ifølge krav 1, hvor bypass-kanalen er konfigureret til en højere strømning af kølevæske end strømningen i kølevæske-cirkulations-kanalen gennem den første varmeveksler og ventilen.A fuel cell system according to claim 1, wherein the bypass duct is configured for a higher flow of coolant than the flow of coolant circulation duct through the first heat exchanger and the valve. 3. Et brændselscellesystem ifølge krav 2, hvor bypass-kanalen er konfigureret til mindst to gange højere strømning afkølevæske end kølevæske-cirkulations-kanalen.A fuel cell system according to claim 2, wherein the bypass duct is configured for at least two times higher coolant flow than the coolant circulation duct. 4. Et brændselscellesystem ifølge et hvilket som helst af de foregående krav, hvor ventilen er en tovejs ventil.A fuel cell system according to any one of the preceding claims, wherein the valve is a two-way valve. 5. Et brændselscellesystem ifølge et hvilket som helst af de foregående krav, hvor brændselscellen er en høj temperatur PEM brændselscelle konfigureret til drift ved en temperatur i området fra 120-200 grader Celsius.A fuel cell system according to any one of the preceding claims, wherein the fuel cell is a high temperature PEM fuel cell configured to operate at a temperature in the range of 120-200 degrees Celsius. 6. Et brændselscellesystem ifølge et hvilket som helst af de foregående krav, hvor den første varmeveksler omfatter en køler med luftblæsning udformet til at blæse luft på køleren til overførsel af varme fra kølevæske i den første varmeveksler til luften.A fuel cell system according to any one of the preceding claims, wherein the first heat exchanger comprises an air blower cooler designed to blow air on the cooler for transferring heat from coolant in the first heat exchanger to the air. 7. Fremgangsmåde til drift af et brændselscellesystem ifølge et hvilket som helst af de foregående krav, hvor fremgangsmåden omfatter tilvejebringelse af en strømning gennem ventilen på mindre end halvdelen af strømmen gennem fordamperen.A method of operating a fuel cell system according to any one of the preceding claims, wherein the method comprises providing a flow through the valve of less than half of the flow through the evaporator. 8. Fremgangsmåde ifølge krav 7, hvori brændselscellen er en høj temperatur PEM brændselscelle, og fremgangsmåden omfatter betjening af brændselscellen ved en temperatur i området fra 120-200 grader celsius.The method of claim 7, wherein the fuel cell is a high temperature PEM fuel cell and the method comprises operating the fuel cell at a temperature in the range of 120-200 degrees Celsius. 9. Fremgangsmåde ifølge krav 8, hvor fremgangsmåden omfatter betjening af brændselscellen ved en temperatur i området fra 160-170 grader celsius, måling af temperaturen af kølevæsken ved indgangen af brændselscellen, og justering af temperaturen for kølevæsken ved indgangen af brændselscellen til 160 grader celsius ved kontrolleret tilsætning af en del af kølevæsken fra den første varmeveksler til kølevæsken i bypass-kanalen.The method of claim 8, wherein the method comprises operating the fuel cell at a temperature in the range of 160-170 degrees Celsius, measuring the temperature of the coolant at the input of the fuel cell, and adjusting the temperature of the coolant at the input of the fuel cell to 160 degrees Celsius. controlled addition of a portion of the coolant from the first heat exchanger to the coolant in the bypass duct. 10. Fremgangsmåde ifølge krav 9, hvor den kontrollerede tilføjelse af en del af kølevæsken fra første varmeveksler til kølevæsken i bypass-kanalen er lavet ved en ned-strøms ende af fordamperen.The method of claim 9, wherein the controlled addition of a portion of the coolant from the first heat exchanger to the coolant in the bypass duct is made at a downstream end of the evaporator. 11. Fremgangsmåde ifølge krav 8 eller 9 eller 10, hvor fremgangsmåden omfatter afkøling af væsken i den første varmeveksler til en temperatur i området fra 60 til 120 grader celsius.The method of claim 8 or 9 or 10, wherein the method comprises cooling the liquid in the first heat exchanger to a temperature in the range of 60 to 120 degrees Celsius.
DKPA201670121A 2016-03-02 2016-03-02 System and method for adjusting the temperature of cooling-liquid for a fuel cell DK178852B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DKPA201670121A DK178852B1 (en) 2016-03-02 2016-03-02 System and method for adjusting the temperature of cooling-liquid for a fuel cell
PCT/DK2017/050058 WO2017148487A1 (en) 2016-03-02 2017-03-02 System and method for adjusting the temperature of cooling-liquid for a fuel cell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DKPA201670121A DK178852B1 (en) 2016-03-02 2016-03-02 System and method for adjusting the temperature of cooling-liquid for a fuel cell

Publications (2)

Publication Number Publication Date
DK178852B1 DK178852B1 (en) 2017-03-27
DK201670121A1 true DK201670121A1 (en) 2017-03-27

Family

ID=58266328

Family Applications (1)

Application Number Title Priority Date Filing Date
DKPA201670121A DK178852B1 (en) 2016-03-02 2016-03-02 System and method for adjusting the temperature of cooling-liquid for a fuel cell

Country Status (2)

Country Link
DK (1) DK178852B1 (en)
WO (1) WO2017148487A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113079706B (en) * 2018-11-20 2024-05-28 蓝界科技控股公司 Fuel cell system, use thereof and method of operation
DK180361B1 (en) 2019-10-17 2021-02-04 Blue World Technologies Holding ApS Fuel cell system with a multi-stream heat exchanger, its use and method of its operation
DK180518B1 (en) * 2019-10-17 2021-06-03 Blue World Technologies Holding ApS Fuel cell system with a combined fuel evaporation and cathode gas heater unit, its use and method of its operation
DK180671B1 (en) 2020-04-07 2021-11-25 Blue World Technologies Holding ApS Fuel cell system, use of it, and method of its operation
CN112297766B (en) * 2020-10-30 2022-11-29 东风小康汽车有限公司重庆分公司 Heat management system of automobile and automobile

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000340245A (en) * 1999-05-28 2000-12-08 Honda Motor Co Ltd Fuel cell system
US20060172164A1 (en) * 2005-02-03 2006-08-03 Denso Corporation Fuel cell and fuel cell system
DE102007054299A1 (en) * 2007-11-09 2009-05-14 Volkswagen Ag Cooling system for use in fuel cell vehicle, has coolant pump for conveying coolant, and cooling circuit comprising electrical heater for heating coolant, where cooling circuit includes bypass line for bypassing radiator
US20090208782A1 (en) * 2008-02-20 2009-08-20 Sebastian Lienkamp Apparatus for optimized cooling of a drive unit and a fuel cell in a fuel cell vehicle

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07101614B2 (en) * 1985-06-10 1995-11-01 アメリカ合衆国 Fuel cell integrated with steam reformer
JP3118982B2 (en) * 1992-09-29 2000-12-18 富士電機株式会社 Fuel cell power generator
JPH08293314A (en) * 1995-04-20 1996-11-05 Nippon Telegr & Teleph Corp <Ntt> Fuel cell generating device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000340245A (en) * 1999-05-28 2000-12-08 Honda Motor Co Ltd Fuel cell system
US20060172164A1 (en) * 2005-02-03 2006-08-03 Denso Corporation Fuel cell and fuel cell system
DE102007054299A1 (en) * 2007-11-09 2009-05-14 Volkswagen Ag Cooling system for use in fuel cell vehicle, has coolant pump for conveying coolant, and cooling circuit comprising electrical heater for heating coolant, where cooling circuit includes bypass line for bypassing radiator
US20090208782A1 (en) * 2008-02-20 2009-08-20 Sebastian Lienkamp Apparatus for optimized cooling of a drive unit and a fuel cell in a fuel cell vehicle

Also Published As

Publication number Publication date
DK178852B1 (en) 2017-03-27
WO2017148487A1 (en) 2017-09-08

Similar Documents

Publication Publication Date Title
DK178852B1 (en) System and method for adjusting the temperature of cooling-liquid for a fuel cell
US11380914B2 (en) Fuel cell system and method for its operation
EP2174374B1 (en) Fuel cell system and method of operating the fuel cell system
US11891188B2 (en) Fuel tank inerting system and method
EP3179547B1 (en) Hydrogen generation system
JP2004111397A (en) Humidification of reactant stream in fuel cell
CN114586206B (en) Fuel cell system with combined fuel evaporation and cathode gas heater unit, use thereof and method of operating the same
CN113079706B (en) Fuel cell system, use thereof and method of operation
CN114631209B (en) Fuel cell system with multi-stream heat exchanger, use thereof and method for operating the same
JP2006128001A (en) Fuel cell evaluation testing device
EP3073559B1 (en) Fuel-cell system
JP2013258061A (en) Fuel cell system
DK180247B1 (en) Fuel cell system, its use and method of its operation
DK180638B1 (en) Fuel cell system with wire mesh for water condensation in exhaust
JP2017027682A (en) Fuel battery system
ES2429738B1 (en) Hydrocarbon and / or alcohol reforming system and associated procedure
KR20140080029A (en) Fuel cell system