September 29-30, 2020
2020 TechNet Ft. Bragg
Fort Bragg, North Carolina

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