Data on the current-voltage dependents of nickel hollow microspheres based thermo-electrochemical in alkaline electrolyte

Бурмистров, И. Н.; Gorshkov, Nikolay; Kiselev, Nikolay; Artyukhov, Denis; Kolesnikov, Еvgeny; Khaidarov, B. B.; Yudni, Andrey; Karunakaran, Gopalu; Cho, Eun‐Bum; Кузнецов, Денис; Gorokhovsky, Alexander

doi:10.1016/j.dib.2020.105770

Cited by 2 publications

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“…The highest reported Seebeck coefficient of 9.9 mV/K has been demonstrated for a thermocell containing acetone and iso-propanol as the redox couple, when the vaporization entropy of acetone increases the total entropy change in the conversion of iso-propanol to acetone [13]. The highest hypothetical Seebeck coefficient for aqueous electrolyte-based thermocells (4.5 mV/K) and, accordingly, high open-circuit voltage values of up to 0.2 V have been presented in studies [14,15].…”

Section: Introductionmentioning

confidence: 92%

Section: Figure 1bmentioning

confidence: 99%

“…Nyquist plots (Figure 3a-e) have the shape of a semicircle and are equivalent to the parallel connection of capacitance and resistance [15]. In a TEC with an electrolyte containing Fe ions in the heterovalent state, the reaction proceeds on the surface of the hot electrode, The impedance of a TEC consists of Rs-electrolyte resistance; CPEdl(c), CPEdl(h)constant phase elements for cold and hot electrodes that correspond to capacities of an electrical double layer at the electrode-electrolyte interface.…”

Section: Figure 1bmentioning

confidence: 99%

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

et al. 2021

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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%.

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Section: Introductionmentioning

confidence: 92%

Section: Figure 1bmentioning

confidence: 99%

Section: Figure 1bmentioning

confidence: 99%

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