1 option
Impact of Range Extender Engine Configuration on Powertrain Performance and Vehicle Integration Dumarey USA
- Format:
- Book
- Conference/Event
- Author/Creator:
- Hoth, Alexander, author.
- Conference Name:
- SAE Energy and Propulsion Conference (2025-10-14 : Ypsilanti, Michigan, United States)
- Language:
- English
- Physical Description:
- 1 online resource cm
- Place of Publication:
- Warrendale, PA SAE International 2025
- Summary:
- The light-duty transportation sector is experiencing a worldwide push towards reduced carbon intensity. One pathway that has been developed focuses on replacing internal combustion engine (ICE)-based vehicles with full-electric battery electric vehicles (BEV), which offer local carbon dioxide (CO2)-free mobility. However, batteries offer a limited mobility range and can require long recharging times, leading to a limited range perception among some vehicle operators. A range-extended electric vehicle (REEV) utilizes a small ICE to mitigate the range concerns of BEVs, while also enabling a battery size reduction with its associated improvements in cost, weight, and manufacturing-related CO2 intensity.A previous study by the authors discussed evaluation criteria for range extender engines (REx) and compared additive technology options to enable cost-, efficiency, or power-optimized REEV applications using a modular approach. This study contrasts the dedicated REx with associated modular additive technology packages against a commercially available ICE vehicle and a BEV. This study furthermore investigates the impact of REx configurations on vehicle powertrain parameters, including battery sizing, total system cost, energy split, and combined vehicle range. A range extender powertrain was found to offer a total cost of ownership (TCO) benefit compared to conventional ICE powertrains and offers significant vehicle weight advantages over current high-range BEVs. A cost-optimized REx was found to be optimal for low-power drive cycles and those with high percentages of electric driving. The high-efficiency REx offered a cost advantage for high-power drive cycles, long daily commutes, or where battery recharging infrastructure is limited
- Notes:
- Vendor supplied data
- Publisher Number:
- 2025-01-0386
- Access Restriction:
- Restricted for use by site license
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