Sep

14

Refuelable Zinc Air Battery Returns as a Fuel Cell

September 14, 2010 | 22 Comments

Fifteen years ago John Cooper, PhD working at Lawrence Livermore National Lab had worked out a zinc air battery that could be refueled so to speak. Actually what Mr. Cooper had invented was a zinc air fuel cell power unit based on the properties of the zinc air battery.  It remains a vastly intriguing high […]

Nov

6

Progress on Zinc-Air Batteries

November 6, 2009 | 3 Comments

ReVolt, a Swiss company, plans to sell small “button cell” batteries for hearing aids starting next year.  ReVolt has developed rechargeable zinc-air batteries that can store three times the energy of lithium ion batteries, by volume, while costing only half as much.  The company plans to incorporate its technology into ever-larger batteries, introducing cell-phone and […]

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