Abstract
A new device and method is described for enhancing the power output and thermodynamic efficiency of batteries and fuel cells. In addition to the anode and cathode, the new device introduces a third electrode together with an auxiliary circuit which is run in the electrolytic mode and permits battery or fuel cell operation under previously inaccessible anode-cathode potential differences. The new device and method introduces a new controllable variable in fuel cell and battery operation. It significantly reduces overpotential and causes up to 700% enhancement in solid oxide fuel cell power output and also an enhancement in overall thermodynamic efficiency. © 2004 The Electrochemical Society. All rights reserved.
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