NAIT Fuel Cell Applied Research Project

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NAIT Fuel Cell Applied Research Project
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NAIT Fuel Cell Applied Research Project

• WELCOME !

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Partners

• ATCO Gas
• Alberta Energy Research Institute
• Climate Change Central
• Northern Alberta Institute of Technology
• Western Economic Diversification
• US Department of Energy

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Project Cost

• 3.25 Millions

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Objectives of the Project

• Student Training
• Power Engineering
• Building Environmental System Technology
• Instrumentation
• Electrical
• Others
• Public Awareness
• Schools
• Professional Association
• Applied Research
• DR Naggash

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Fuel Cell Applications

• Transportation
• Combined Heat Power (CHP)
• Emergency Power
• Electronic Equipment

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What is a Fuel Cell?

• A Simple Fuel Cell Consists of
• Anode (-)
• Electrolyte
• Cathode ()

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Fuel Cell Data

• Phosphoric Acid Fuel Cell ( PAFC)
• Computer grade power
• 200 kW/235kVA
• 200Amps

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• Heat Rejection

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Energy Production

• Electrical 225 KW (gross)
• 200 KW (net)
• Heat 264 KW (gross)
• 230 KW (net)
• Efficiency Overall 80.5
• Electrical 74

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Energy Monitoring

• Gas Supply
• Electrical Generation
• High Temperature Heat Recovery
• Low Temperature Heat Recovery

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Fuel Cell ProcessDesulfurizer

• Desulfurizer (chemical filter type) removes
  traces of sulphur, mainly mercaptan

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Fuel Cell ProcessFuel Reformer

• Generates steam at
• 160 psi and 800 0C
• Steam
• Methane fuel (CH4)
• Carbon Dioxide (CO2) to atmosphere
• Hydrogen gas (H2) to cell stack
• Unused hydrogen gas from cell stack

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Phosphoric Acid Fuel CellPressurized Fuel System
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Fuel Cell ProcessStack

• 273 plates ( platinum, carbon material)
• Each plates produces 0.8 volts
• Electrolyte phosphoric acid
• Electrons flow from anode to cathode to produce
  electricity
• Protons, electrons and oxygen combine to produce
  heat

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Fuel Cell Electrical Data

• Fuel cell stack produces 180 Vdc
• Transformed within the unit to 480 Vac
• Transformed to 600 Vac for use in Naits
  Electrical System

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Fuel Cells Power Conditioning Diagram
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Fuel Cell Thermal Data

• Fuel consumption approx. 50 m3/hr. of Nat. Gas
• Produces 1 Million BTUs/hr. or 264 kW/hr. of heat
  _at_ approx. 100 0C

• Thermal Recovery Loops
• High Temperature
• 100 0C
• Low Temperature
• 75 0C

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Energy Distribution

• 30 H2 to reformer
• 35 to power generation
• 20 to high temperature heat recovery
• 15 to low temperature heat recovery

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Energy Distribution

• Power produced supplies approx. 8 of NAITs
  electrical power demand

• Heat recovered is used to heat
• Swimming pool
• Domestic hot water
• Boiler make-up water

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Fuel Cell Emissions

• 50 reduction in CO2
• 99 reduction in NOx, SOx, CO, ashes, ect.
• Noise 60dBA _at_ 30 ft

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Operational Experiences Since Nov. 2003 Jan
2007

• System availability 92
• Clean power exported 5 000 MWh
• Thermal energy exported 3955 MWh
• Peak efficiency measured 80.5
• Net thermal efficiency 63
• CO2 emissions reduced 4523 Tonnes

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Domestic Unit

• 5 kW Solid Oxide Fuel Cell (SOFC)
• Installed in Jan 2006

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New Acquisition

• 1 kW Proton Exchange Membrane (PEM) fuel cell
  (Ballard type) for lab. activities

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New Acquisition

• Hy-ExpertTM Instructor Fuel Cell System
• 9 experiments

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Future Plans

• Basic research with different types of fuels
• Liquid methanol
• Diesel
• Propane
• Etc
• Comparison with other methods of Power Generation
• Steam turbine
• Diesel
• Gas turbine
• Etc..

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NAITs Fuel Cell Lab Tour
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Questions and Answers
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Additional Information

• Fuel Cell Coordinator
• Denis Côté
• [phone]
• [phone](fax)
• denisc_at_nait.ca
• Web site www.nait.ca/fuelcell