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Sustainability
Volume 13
Issue 3
10.3390/su13031377
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Article

Harvesting Waste Thermal Energy Using a Surface-Modified Carbon Fiber-Based Thermo-Electrochemical Cell

by
Denis Artyukhov
1,
Nikolay Kiselev
1,2,3,
Nikolay Gorshkov
1,
Natalya Kovyneva
1,
Olga Ganzha
1,
Maria Vikulova
1,
Alexander Gorokhovsky
1,
Peter Offor
4,5,
Elena Boychenko
2,3 and
Igor Burmistrov
1,2,3,*
1
Department of Chemistry and Chemical Technology of Materials, Yuri Gagarin State Technical University of Saratov, 410054 Saratov, Russia
2
Department of Functional Nanosystems and High-Temperature Materials, National University of Science and Technology «MISiS», 119049 Moscow, Russia
3
Engineering Center, Plekhanov Russian University of Economics, 117997 Moscow, Russia
4
Metallurgical and Materials Engineering Department, University of Nigeria, Nsukka 410001, Nigeria
5
Africa Centre of Excellence for Sustainable Power and Energy Development (ACE-SPED), University of Nigeria, Nsukka 410001, Nigeria
*
Author to whom correspondence should be addressed.
Sustainability 2021, 13(3), 1377; https://doi.org/10.3390/su13031377
Submission received: 8 December 2020 / Revised: 22 January 2021 / Accepted: 25 January 2021 / Published: 28 January 2021
(This article belongs to the Special Issue Environmental Sustainability of Current Waste Management Practices)
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Abstract

An important direction in the development of energy saving policy is harvesting and conversion into electricity of low-grade waste heat. The present paper is devoted to the improvement of the efficiency of thermo-electrochemical cells based on carbon fiber electrodes and potassium ferri-/ferrocyanide redox electrolyte. The influence of the carbon fiber electrode surface modification (magnetron deposition of silver and titanium or infiltration implantation of nanoscale titanium oxide) on the output power and parameters of the impedance equivalent scheme of a thermo-electrochemical cell has been studied. Two kinds of cell designs (a conventional electrochemical cell with a salt bridge and a coin cell-type body) were investigated. It was found that the nature of the surface modification of electrodes can change the internal resistance of the cell by three orders of magnitude. The dependence of the equivalent scheme parameters and output power density of the thermoelectric cell on the type of electrode materials was presented. It was observed that the maximum power for carbon fiber modified with titanium metal and titanium oxide was 25.2 mW/m2 and the efficiency was 1.37%.
Keywords: thermo-electrochemical cell; waste heat harvesting; carbon fiber; surface modification; efficiency thermo-electrochemical cell; waste heat harvesting; carbon fiber; surface modification; efficiency

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MDPI and ACS Style

Artyukhov, D.; Kiselev, N.; Gorshkov, N.; Kovyneva, N.; Ganzha, O.; Vikulova, M.; Gorokhovsky, A.; Offor, P.; Boychenko, E.; Burmistrov, I. Harvesting Waste Thermal Energy Using a Surface-Modified Carbon Fiber-Based Thermo-Electrochemical Cell. Sustainability 2021, 13, 1377. https://doi.org/10.3390/su13031377

AMA Style

Artyukhov D, Kiselev N, Gorshkov N, Kovyneva N, Ganzha O, Vikulova M, Gorokhovsky A, Offor P, Boychenko E, Burmistrov I. Harvesting Waste Thermal Energy Using a Surface-Modified Carbon Fiber-Based Thermo-Electrochemical Cell. Sustainability. 2021; 13(3):1377. https://doi.org/10.3390/su13031377

Chicago/Turabian Style

Artyukhov, Denis, Nikolay Kiselev, Nikolay Gorshkov, Natalya Kovyneva, Olga Ganzha, Maria Vikulova, Alexander Gorokhovsky, Peter Offor, Elena Boychenko, and Igor Burmistrov. 2021. "Harvesting Waste Thermal Energy Using a Surface-Modified Carbon Fiber-Based Thermo-Electrochemical Cell" Sustainability 13, no. 3: 1377. https://doi.org/10.3390/su13031377

APA Style

Artyukhov, D., Kiselev, N., Gorshkov, N., Kovyneva, N., Ganzha, O., Vikulova, M., Gorokhovsky, A., Offor, P., Boychenko, E., & Burmistrov, I. (2021). Harvesting Waste Thermal Energy Using a Surface-Modified Carbon Fiber-Based Thermo-Electrochemical Cell. Sustainability, 13(3), 1377. https://doi.org/10.3390/su13031377

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