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Thermal Storage Using Metallic Phase Change Materials for Bus Heating - State of the Art of Electric Buses and Requirements for the Storage System

Kraft, Werner and Stahl, Veronika and Vetter, Peter (2020) Thermal Storage Using Metallic Phase Change Materials for Bus Heating - State of the Art of Electric Buses and Requirements for the Storage System. Energies. Multidisciplinary Digital Publishing Institute (MDPI). doi: 10.3390/en13113023. ISSN 1996-1073.

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Official URL: https://www.mdpi.com/1996-1073/13/11/3023

Abstract

Battery-powered electric buses currently face the challenges of high cost and limited range, especially in winter conditions, where interior heating is required. To face both challenges, the use of thermal energy storage based on metallic phase change materials for interior heating, also called thermal high-performance storage, is considered. By replacing the battery capacity through such an energy storage system, which is potentially lighter, smaller, and cheaper than the batteries used in buses, an overall reduction in cost and an increase of range in winter conditions could be reached. Since the use of thermal high-performance storage as a heating system in a battery-powered electric bus is a new approach, the requirements for such a system first need to be known to be able to proceed with further steps. To find these requirements, a review of the relevant state of the art of battery-powered electric buses, with a focus on heating systems, was done. Other relevant aspects were vehicle types, electric architecture, battery systems, and charging strategies. With the help of this review, requirements for thermal high-performance storage as a heating system for a battery-powered electric bus were produced. Categories for these requirements were the thermal capacity and performance, long-term stability, mass and volume, cost, electric connection, thermal connection, efficiency, maintenance, safety, adjustment, and ecology.

Item URL in elib:https://elib.dlr.de/135498/
Document Type:Article
Title:Thermal Storage Using Metallic Phase Change Materials for Bus Heating - State of the Art of Electric Buses and Requirements for the Storage System
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Kraft, WernerWerner.Kraft (at) dlr.dehttps://orcid.org/0000-0002-1971-2353
Stahl, VeronikaVeronika.Stahl (at) dlr.dehttps://orcid.org/0000-0002-1866-3369
Vetter, PeterPeter.Vetter (at) dlr.deUNSPECIFIED
Date:11 June 2020
Journal or Publication Title:Energies
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
DOI :10.3390/en13113023
Publisher:Multidisciplinary Digital Publishing Institute (MDPI)
Series Name:MDPI Energies Special Issue: Energy Storage Systems for Electric Vehicles
ISSN:1996-1073
Status:Published
Keywords:electric buses; thermal energy storage; latent heat storage; metallic phase change material; cabin heating
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Road Transport
DLR - Research area:Transport
DLR - Program:V ST Straßenverkehr
DLR - Research theme (Project):V - NGC Antriebssystem und Energiemanagement
Location: Stuttgart
Institutes and Institutions:Institute of Vehicle Concepts
Deposited By: Kraft, Werner
Deposited On:20 Jul 2020 10:51
Last Modified:06 Nov 2020 09:19

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