WO2012127361A4 - A system and method for recirculating hydrogen and bleeding of impurities from fuel cell stack - Google Patents

A system and method for recirculating hydrogen and bleeding of impurities from fuel cell stack Download PDF

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Publication number
WO2012127361A4
WO2012127361A4 PCT/IB2012/051174 IB2012051174W WO2012127361A4 WO 2012127361 A4 WO2012127361 A4 WO 2012127361A4 IB 2012051174 W IB2012051174 W IB 2012051174W WO 2012127361 A4 WO2012127361 A4 WO 2012127361A4
Authority
WO
WIPO (PCT)
Prior art keywords
hydrogen
fuel cell
cell stack
control unit
impurities
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/IB2012/051174
Other languages
French (fr)
Other versions
WO2012127361A1 (en
Inventor
Bhut Bhaveshkumar DHIRAJLAL
Somalingayya Gurupadayya MATH
Yogesha Sankenhalli ANNEGOWDA
Raja MUNUSAMY
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.)
Tata Motors Ltd
Original Assignee
Tata Motors 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 Tata Motors Ltd filed Critical Tata Motors Ltd
Publication of WO2012127361A1 publication Critical patent/WO2012127361A1/en
Publication of WO2012127361A4 publication Critical patent/WO2012127361A4/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H01M8/04082—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
    • H01M8/04097—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with recycling of the reactants
    • 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
    • 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
    • H01M8/04126—Humidifying
    • 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
    • H01M8/04164—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 by condensers, gas-liquid separators or filters
    • 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
    • H01M8/04179—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 by purging or increasing flow or pressure of reactants
    • 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
    • H01M8/04231—Purging of the reactants
    • 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
    • H01M8/04313—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
    • H01M8/04388—Pressure; Ambient pressure; Flow of anode reactants at the inlet or inside the 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
    • H01M8/04298—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
    • H01M8/045—Humidity; Ambient humidity; Water content of anode reactants at the inlet or inside the 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
    • H01M8/04298—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
    • H01M8/04514—Humidity; Ambient humidity; Water content of anode exhausts
    • 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
    • H01M8/04858—Electric variables
    • H01M8/04865—Voltage
    • H01M8/0488—Voltage 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
    • H01M8/10—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)
  • Sustainable Development (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Fuel Cell (AREA)

Abstract

The present disclosure provides a system for recirculating hydrogen and bleeding of impurities in hydrogen subsystem of polymer electrolyte fuel cell of a vehicle, said system comprises; an electronic control unit of the vehicle, a hydrogen storage and delivery subsystem interfaced with the electronic control unit to store and supply the hydrogen to a fuel cell stack through a solenoid valve and a humidification system; a hydrogen recirculation blower connected to the fuel cell stack and a hydrogen circulation line; a nitrogen storage and delivery sub system interfaced with the electronic control unit to store and supply the nitrogen to a fuel cell stack through a solenoid valve and the humidification system; a hydrogen purging and diffusing system provided in between the fuel cell stack and hydrogen recirculation blower, wherein said hydrogen purging and diffusing system facilities removal of condensed water and other impurities from the fuel cell stack.

Claims

17 AMENDED CLAIMS received by the International Bureau on 18 September 2012 (18.09.2012).
1 . A system (1 ) for recirculating hydrogen and bleeding of impurities in hydrogen subsystem of polymer electrolyte fuel cell of a vehicle, said system comprises;
an electronic control unit (2) of the vehicle;
a hydrogen storage and delivery subsystem (3) interfaced with the electronic control unit (2) to store and supply the hydrogen to a fuel cell stack (4) through a solenoid valve (9b) and a humidification system (7);
a hydrogen recirculation blower (5) connected to the fuel cell stack (4) and a hydrogen circulation line (6);
a nitrogen storage and delivery sub system ( 10) interfaced with the electronic control unit (2) to store and supply the nitrogen to a fuel cell stack (4) through a solenoid valve (9a) and the humidification system (7);
characterized in that,
a hydrogen purging and diffusing system (8) provided in a bypass path placed between the fuel cell stack (4) and hydrogen recirculation blower (5) for removal of condensed water and other impurities from the fuel cell stack (4) using gravity, wherein the hydrogen purging and diffusing system comprises;
a bleed valve (1 1) for continuously removing the condensed water during operation of the hydrogen subsystem of the polymer electrolyte fuel cell; and
a solenoid valve (9c) for removing the accumulated impurities in the fuel cell stack (4) through a purge diffuser ( 12) provided with fan.
2. The system as claimed claim I , wherein a check valve ( 13) is provided in between the hydrogen recirculation blower (5) and the hydrogen circulation line (6) to increase the pressure of recirculating hydrogen and to allow the unidirectional flow of the recirculating hydrogen.
3. The system as claimed in claim 1 , wherein plurality of pressure transducers are provided in the fuel cell stack (4) for measuring a pressure of hydrogen in the stack (4). 18
4. The system as claimed in claim 1 , wherein plurality of thermal and humidity sensors are provided at predetermined locations, and said sensors are interfaced with the electronic control unit (2) to provide level of temperature and humidity of the fuel cell stack (4).
5. A method for recirculating hydrogen and bleeding of impurities in hydrogen subsystem of polymer electrolyte fuel cell of a vehicle, said method comprising acts of;
checking a mode of operation of a vehicle by means of driver input; wherein said mode comprises startup mode, run mode, emergency mode and shut down mode;
opening a solenoid valves (9a and 9c) to flush out entrapped air from a fuel cell stack (4) when start up time measured by an electronic control unit (2) during the startup mode is less than preset time limit;
opening a solenoid valves (9b and 9c) when the start up time is more than the preset limit and voltage of fuel stack (4) measured by the electronic control unit (2) is less than preset voltage limit to supply hydrogen to a fuel cell stack (4) to prevent starvation of hydrogen during the run mode;
opening the solenoid valves (9a and 9c) flush out hydrogen from a fuel cell stack (4) when a temperature of the stack (4) measured by the electronic control unit (2) during the shutdown mode is less than preset temperature level; wherein an excess hydrogen is recirculated from a fuel cell stack (4) through a humidification system (7) using a hydrogen recirculation blower (5) for improving an efficacy of hydrogen;
characterized in that,
draining condensed water prevent in the fuel cell stack (4) continuously through a bleed valve (1 1 ) using gravity, wherein the draining of the condensed 19
water is performed during operation of the hydrogen subsystem of the polymer electrolyte fuel cell.
6. The method as claimed in claim 5, wherein opening of solenoid valve (9a and 9c) to flush out hydrogen from the fuel cell stack (4) during the emergency mode.
7. The method as claimed in claim 5, wherein the preset limits of startup time, fuel cell stack (4) voltage and fuel cell stack temperature are stored in the electronic control unit (2).
8. A vehicle comprising a system (1 ) for recirculating hydrogen and bleeding of impurities in hydrogen subsystem of polymer electrolyte fuel cell as claimed, in claim 1 .
9. A system ( 1 ) for recirculating hydrogen and bleeding of impurities in hydrogen subsystem of polymer electrolyte fuel cell of a vehicle and a method for recirculating hydrogen and bleeding of impurities in hydrogen subsystem of polymer electrolyte fuel cell of a vehicle are substantially as herein above described and as illustrated in accompanying drawings.
PCT/IB2012/051174 2011-03-23 2012-03-13 A system and method for recirculating hydrogen and bleeding of impurities from fuel cell stack Ceased WO2012127361A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN863/MUM/2011 2011-03-23
IN863MU2011 2011-03-23

Publications (2)

Publication Number Publication Date
WO2012127361A1 WO2012127361A1 (en) 2012-09-27
WO2012127361A4 true WO2012127361A4 (en) 2012-11-15

Family

ID=46085096

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PCT/IB2012/051174 Ceased WO2012127361A1 (en) 2011-03-23 2012-03-13 A system and method for recirculating hydrogen and bleeding of impurities from fuel cell stack

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101822245B1 (en) * 2015-12-14 2018-01-26 현대자동차주식회사 Control method of cooling pump for fuel cell system
CN112259759B (en) * 2020-10-25 2021-10-01 江苏清能动力科技有限公司 Fuel cell engine
CN114335626B (en) * 2021-12-29 2024-06-14 山东国创燃料电池技术创新中心有限公司 A fuel cell hydrogen circulation system and hydrogen and water discharge method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5366818A (en) * 1991-01-15 1994-11-22 Ballard Power Systems Inc. Solid polymer fuel cell systems incorporating water removal at the anode
JP2004349068A (en) * 2003-05-21 2004-12-09 Nissan Motor Co Ltd Fuel cell system
JP4882198B2 (en) * 2003-09-25 2012-02-22 日産自動車株式会社 Fuel cell system
JP2006099993A (en) * 2004-09-28 2006-04-13 Nissan Motor Co Ltd FUEL CELL SYSTEM AND FUEL CELL SYSTEM FAILURE DIAGNOSIS DEVICE
US20070065711A1 (en) * 2005-09-21 2007-03-22 Gopal Ravi B Air independent power production

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