Fuel Cell Technologies Compared

There are many fuel cell technologies being developed, but ETI’s Metal Hydride Fuel Cells (MHFC) offer many

Proton Exchange Membrane (PEM):

Advantages: Disadvantages:
  • High Power
  • Low Temperature
  • Quick Start-Up
  • Expensive Catalysts
  • Sensative to fuel impurities
  • Solid Electrolyte corrosion
  • Electrolyte management. problems

Solid Oxide (SOFC):

Advantages: Disadvantages:
  • High efficiency
  • Can use a variety of catalysts
  • Suitable for CHP & CHHP
  • Fuel flexability
  • Solid Electrolyte
  • Hybrid/GT cycle
  • High Temperature corrosion & breakdown of cell components
  • High Temperature operation requires long start up time & limits

ETI’s Alkaline Nickel Metal Hydride Fuel Cells:

Advantages: Disadvantages:
  • Cathode reaction faster in Alkaline electrolyte: Instant starts lead to higher performance
  • Low cost components: Plastic meshes, Non-platinum catalysts, Carbon powders, Nickel screens and tabs
  • Low Temp Performance
  • Stores & Releases energy like a battery: capable for power bridging & transients
  • Sensative to CO2 and Sulphur in fuel and air
  • Electrolyte Managment

Product Inquiry
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Contact ETI by mail at:
Energy Technologies, Inc.
219 Park Avenue East
Mansfield, OH 44902-1845

Contact ETI by phone or fax:
Voice: 419-522-4444
FAX: 419-522-4466