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Ensuring thermal comfort in the cabin of an electric vehicle at extremely low atmospheric temperatures (down to -45°C).

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Titel: Ensuring thermal comfort in the cabin of an electric vehicle at extremely low atmospheric temperatures (down to -45°C).
Autoren: Shvetsov AV; North- Eastern Federal University, Yakutsk, Russia.; Togliatti State University, Togliatti, Russia.; Moscow Polytechnic University, Moscow, Russia., Shvetsova SV; Moscow Polytechnic University, Moscow, Russia.
Quelle: PloS one [PLoS One] 2025 Dec 02; Vol. 20 (12), pp. e0337212. Date of Electronic Publication: 2025 Dec 02 (Print Publication: 2025).
Publikationsart: Journal Article
Sprache: English
Info zur Zeitschrift: Publisher: Public Library of Science Country of Publication: United States NLM ID: 101285081 Publication Model: eCollection Cited Medium: Internet ISSN: 1932-6203 (Electronic) Linking ISSN: 19326203 NLM ISO Abbreviation: PLoS One Subsets: MEDLINE
Imprint Name(s): Original Publication: San Francisco, CA : Public Library of Science
MeSH-Schlagworte: Heating*/instrumentation , Heating*/methods , Automobiles* , Cold Temperature*, Electric Power Supplies ; Humans ; Temperature ; Hot Temperature
Abstract: Ensuring thermal comfort for the driver and passengers in vehicles, including electric vehicles, when traveling on intercity roads, in sparsely populated northern regions with low traffic, in winter, at extremely low atmospheric temperatures is a critical factor. In this paper, we propose a method of providing additional or alternative heat to the cabin of an electric car, at atmospheric temperatures up to -45°C. To implement this method we developed, a backup electric heater for the cabin of an electric vehicle, which can provide autonomous heat generation for heating people in the cabin, even if the EV itself is completely inoperable. The backup heater is designed to use lithium-iron-phosphate batteries in its structure, which are safer than lithium-ion batteries. An experiment was conducted, as a result of which data were obtained on the discharge rate of the backup heater batteries when operating in three different air temperature ranges (from -20°C to -25°C, from -30°C to -35°C and from -40°C to -45°C) and the temperatures level reached in different parts of the EV cabin. Next, we compared the developed method with other known solutions and analyzed possible applications the backup heater.
(Copyright: © 2025 Shvetsov, Shvetsova. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.)
Entry Date(s): Date Created: 20251202 Date Completed: 20251202 Latest Revision: 20251204
Update Code: 20251204
PubMed Central ID: PMC12671781
DOI: 10.1371/journal.pone.0337212
PMID: 41329647
Datenbank: MEDLINE
Beschreibung
Abstract:Ensuring thermal comfort for the driver and passengers in vehicles, including electric vehicles, when traveling on intercity roads, in sparsely populated northern regions with low traffic, in winter, at extremely low atmospheric temperatures is a critical factor. In this paper, we propose a method of providing additional or alternative heat to the cabin of an electric car, at atmospheric temperatures up to -45°C. To implement this method we developed, a backup electric heater for the cabin of an electric vehicle, which can provide autonomous heat generation for heating people in the cabin, even if the EV itself is completely inoperable. The backup heater is designed to use lithium-iron-phosphate batteries in its structure, which are safer than lithium-ion batteries. An experiment was conducted, as a result of which data were obtained on the discharge rate of the backup heater batteries when operating in three different air temperature ranges (from -20°C to -25°C, from -30°C to -35°C and from -40°C to -45°C) and the temperatures level reached in different parts of the EV cabin. Next, we compared the developed method with other known solutions and analyzed possible applications the backup heater.<br /> (Copyright: © 2025 Shvetsov, Shvetsova. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.)
ISSN:1932-6203
DOI:10.1371/journal.pone.0337212