In a conventional fuel cell, platinum is embedded in porous carbon electrodes. ACAL's design replaces this with a solution containing low-cost molybdenum and vanadium as the catalyst. The resulting fuel cell works as well as a conventional one but should cost 40 percent less, the company says.
The new system's power density could reach 1.5 watts per square centimeter, says Andrew Creeth, ACAL's co-founder and chief technology officer. "We believe that we're getting close to a marketable product," he says. Read full from TechnologyReview
