Performance of Passive and Active Balancing Systems of Lithium Batteries in Onerous Mine Environment

Wojciech Kurpiel, Przemysław Deja, Bartosz Polnik, Marcin Skóra, Bogdan Miedziński, Marcin Habrych, Grzegorz Debita, Monika Zamłyńska and Przemysław Falkowski-Gilski
Additional contact information
Wojciech Kurpiel: KOMAG Institute of Mining Technology, Pszczynska St. 37, 44-101 Gliwice, Poland
Przemysław Deja: KOMAG Institute of Mining Technology, Pszczynska St. 37, 44-101 Gliwice, Poland
Bartosz Polnik: KOMAG Institute of Mining Technology, Pszczynska St. 37, 44-101 Gliwice, Poland
Marcin Skóra: KOMAG Institute of Mining Technology, Pszczynska St. 37, 44-101 Gliwice, Poland
Bogdan Miedziński: Faculty of Electrical Engineering, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego St. 27, 50-370 Wroclaw, Poland
Marcin Habrych: Faculty of Electrical Engineering, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego St. 27, 50-370 Wroclaw, Poland
Grzegorz Debita: Faculty of Management, General Tadeusz Kosciuszko Military University of Land Forces, Czajkowskiego St. 109, 51-147 Wroclaw, Poland
Monika Zamłyńska: Faculty of Management, General Tadeusz Kosciuszko Military University of Land Forces, Czajkowskiego St. 109, 51-147 Wroclaw, Poland
Przemysław Falkowski-Gilski: Faculty of Electronics, Telecommunications and Informatics, Gdansk University of Technology, Narutowicza St. 11/12, 80-233 Gdansk, Poland

Energies, 2021, vol. 14, issue 22, 1-15

Abstract: To use lithium-iron-phosphate battery packs in the supply systems of any electric mining equipment and/or machines, the required conditions of work safety must be met. This applies in particular to coal mines endangered by fire and/or explosion. To meet the spark-safety conditions, the cells (together with the battery management system—BMS) must be isolated from the influence of the environment, and therefore placed in special fire-tight housings. This significantly degrades the heat dissipation, thus affecting the operating conditions of the cell-packs. Therefore, their usage without the so-called BMS is not recommended, as shown in the authors’ preliminary research. In practice, various BMS are used, most often with the so-called passive balancing. However, their application in mines is uncertain, due to the effect of heating under operation. When it comes to active BMS, they usually possess a quite complex structure and hence, are relatively expensive. Therefore, the authors conducted research for two specially developed active and one commercial passive BMS cooperating with selected lithium-iron-phosphate (LiFePO 4 ) batteries when used in a suspended mining vehicle type PCA-1. The tests were carried out under environmental temperatures ranging from +5 °C to +60 °C. The effect of mismatching (12.5% to 37.5% of total cells number) of the cell parameters on the temperature distribution and voltage fading at the terminals of individual cells was checked. As a result of the investigations, the practical usefulness of the developed active BMS was determined, enabling the extension of the lithium-iron-phosphate battery life under onerous mine conditions, for a single recharge, which is a novelty. On the basis of the obtained results, appropriate practical conclusions were formulated.

Keywords: lithium-iron-phosphorous cell; mine application; battery management system; active balancing system (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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