Measurement of Electrical Resistance of Liquid Electrolytes and Materials Containing Them

Autor:	Halina A. Pukhir, N. N. Grinchik, Mikhail A. Chumachenko, Olga V. Boiprav, Kirill V. Dobrego
Rok vydání:	2020
Předmět:	Materials science Electrical resistance and conductance Conductometry Electrical resistivity and conductivity business.industry Electrode Optoelectronics Electrolyte Conductivity Electrochemistry business Voltage
Zdroj:	Journal of Electromagnetic Analysis and Applications. 12:7-14
ISSN:	1942-0749 1942-0730
DOI:	10.4236/jemaa.2020.122002
Popis:	Measurement of the electrical conductivity of electrolytes and heterogeneous materials containing them is accompanied by numerous physical and electrochemical processes, complicating measuring and interpretation of data. As a result, the measurement of the electrical conductivity of such a system is a difficult and not finally resolved problem. The new method of resistance measurement of the electrolytic systems is substantiated and tested on example of heterogeneous electrolytic system “lignin-calcium chloride water solution” in this article. The method is based on measurement of resistance of the electrolytic system at different voltages (DC) on the cell and the consequent approximation of the acquired data taking into consideration volume charges and potential barriers arising on the boarders of electrodes and electrolytic materials. Extrapolation of the resistance to the limiting small current lets one obtain a characteristic value of the active resistance of the electrolytic system. The method is technically simple, inexpensive and has several advantages compared to the methods based on AC measurements.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::ae4c9070a0094acc0e840d88aa47832b https://doi.org/10.4236/jemaa.2020.122002 Zobrazit plný text záznamu