Electrochemical Method of Obtaining of Electric Current from Thermal Energy Using Graphite Electrodes

• Authors: S. Yegeubayeva , A. Bayeshov , A. Bayeshova
• Languages of publication: EN

Abstracts

EN

Here we present the possibility of using the electrochemical processes to convert solar thermal energy or geothermal energy into electricity, based on fundamental and experimental research. Laboratory setup for converting thermal energy into electrical energy is the glass electrolyzer consisting of two electrode spaces connected with electrolytic bridge. The influence of the temperature difference between the electrode formation spaces on the EMF and the short circuit current (SCC) between graphite electrodes in aqueous solutions was studied. In solution of 100 g/l of sodium hydroxide the values of the EMF, SCC and oxidation-reduction potential are 80.0 mV, 44.1 μA and 95 mV, respectively. These values are substantially higher than those of the acidic and neutral solutions. This is due to the fact that in the alkaline solution the oxidation of hydroquinone, 1,4-benzoquinone is reversible and provides good reproducible electrode potential, which depends on the pH. The coefficient of conversion of thermal energy into electrical energy is 1.14 mV/deg.

Keywords

EN

88.05.Ec; 88.10.-g

Discipline

• 88.05.Ec: Renewable energy targets
• 88.10.-g: Geothermal energy(see also 91.35.Dc Heat flow; geothermy)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2015
• Volume: 128
• Issue: 2B
• Pages: B-455-B-457

Dates

published

2015-8

Contributors

author

S. Yegeubayeva

• Kazakh-British Technical University, Almaty, 050000, Kazakhstan

author

A. Bayeshov

• D.V. Sokolskii Institute of Organic Catalysis and Electrochemistry, Almaty, 050000, Kazakhstan

author

A. Bayeshova

• D.V. Sokolskii Institute of Organic Catalysis and Electrochemistry, Almaty, 050000, Kazakhstan

References

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Identifiers

DOI

10.12693/APhysPolA.128.B-455