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Direct electrochemical method for cooling and refrigeration.
Author(s) : GERLACH D. W., NEWELL T. A.
Summary
The heat absorbed or rejected during electrochemical reactions can be directly used for cooling. The electrical energy consumed or produced by an electrochemical reaction is equal to the Gibbs free energy change of the reaction, which consists of the enthalpy of reaction minus the reversible heat effect. At constant temperature, the reversible heat effect is heat transferred to the environment. A reversible electrochemical cell that absorbs heat when voltage is applied will release the same amount of heat when the voltage is reversed. The equilibrium thermodynamics of this ideal electrochemical cycle have been analysed, and the theoretical ideal COP equals the Carnot COP. Basic modelling of the losses involved indicates technical feasibility. Preliminary proof of concept tests have demonstrated a cooling effect.
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Details
- Original title: Direct electrochemical method for cooling and refrigeration.
- Record ID : 2004-1014
- Languages: English
- Source: 21st IIR International Congress of Refrigeration: Serving the Needs of Mankind.
- Publication date: 2003/08/17
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