Title: A study on determination of component sizing capacity for range performance, cost and CO₂ production of an extended-range electric vehicle

Authors: Mustafa Umut Karaoğlan; Nusret Sefa Kuralay; Can Özgür Çolpan

Addresses: Department of Mechanical Engineering, Dokuz Eylul University, Izmir, Turkey ' Department of Mechanical Engineering, Dokuz Eylul University, Izmir, Turkey ' Department of Mechanical Engineering, Dokuz Eylul University, Izmir, Turkey

Abstract: Extended-range electric vehicles, which are equipped with a generator including a small gasoline engine as a range extender unit, have become attractive because of their high range and low battery cost potentials. In this study, firstly, the effects of the capacity of the generator module and the battery on the vehicle range, the battery weight, and the battery cost are calculated to determine the design alternatives of the powertrain taking into account the design constraints. Then, vehicle powertrain with each applicable design alternatives, which consist of feasible parameters as battery type, battery capacity, generator power output, and fuel tank capacity, is simulated for ECE-15 drive cycle requirements to determine the vehicle range, the total cost, and the CO₂ production. After carrying out a single-objective optimisation procedure, the results yielded the optimum design parameters as follows; 100 Ah-15.36 kWh battery and 2 kW generator power output for the maximum vehicle range, 100 Ah-15.36 kWh battery and 1.7 kW generator power output for the minimum cost, and 40 Ah-15.36 kWh battery and 1.7 kW generator power output for the minimum CO₂ production.

Keywords: extended range; electric vehicle; design optimisation; powertrain simulation.

DOI: 10.1504/IJGW.2021.116712

International Journal of Global Warming, 2021 Vol.24 No.3/4, pp.326 - 341

Received: 02 Dec 2019
Accepted: 16 Jun 2020
Published online: 30 Jul 2021 *

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