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World Electric Vehicle Journal, Volume 11, Issue 3

September 2020 - 14 articles

Cover Story: The primary frequency regulation service has been demonstrated to be technically feasible and economically profitable in different studies. When providing this service, the electric vehicle battery can degrade faster than when just used for driving, representing an additional cost for the user. For this reason, service profitability is evaluated considering the cost of degradation from service provision, independently from driving. Degradation due to frequency regulation of a 40 kWh lithium-ion NMC battery pack over 5 years is an additional 1–2% to the 7–12% capacity reduction. The method is applied in case studies in Denmark and Japan by considering historical frequencies and the frequency regulation market price in Denmark. View this paper.
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Articles (14)

  • Review
  • Open Access
23 Citations
12,454 Views
23 Pages

The New Neighbor across the Street: An Outlook for Battery Electric Vehicles Adoption in Brazil

  • Jorge Enrique Velandia Vargas,
  • Joaquim E. A. Seabra,
  • Carla K. N. Cavaliero,
  • Arnaldo C. S. Walter,
  • Simone P. Souza and
  • Daniela G. Falco

As the automotive industry steers towards electromobility and electric vehicle adoption surges, Brazil and other Latin-American countries remain laggards. The Brazilian scenario exhibits unique features, such as a powerful automotive sector with larg...

  • Article
  • Open Access
4 Citations
3,248 Views
11 Pages

A Health Indicator for the Online Lifetime Estimation of an Electric Vehicle Power Li-Ion Battery

  • Bin Yu,
  • Haifeng Qiu,
  • Liguo Weng,
  • Kailong Huo,
  • Shiqi Liu and
  • Haolu Liu

With the further development of the electric vehicle (EV) industry, the reliability of prediction and health management (PHM) systems has received great attention. The original Li-ion battery life prediction technology developed by offline training d...

  • Review
  • Open Access
22 Citations
6,207 Views
23 Pages

To solve the problems of the decreased reliability and safety of battery pack due to the inconsistency between batteries after single batteries are grouped is of great significance to find an appropriate sorting method of single batteries. This study...

  • Article
  • Open Access
2 Citations
4,353 Views
9 Pages

Widespread adoption of electric vehicles (EVs) requires additional safety countermeasures to prevent DC injection from EVs into the AC grid via Electric Vehicle Supply Equipment (EVSE). Moreover, for energy purchase, and even more so for vehicle-to-g...

  • Article
  • Open Access
66 Citations
10,990 Views
43 Pages

Bus operators around the world are facing the transformation of their fleets from fossil-fuelled to electric buses. Two technologies prevail: Depot charging and opportunity charging at terminal stops. Total cost of ownership (TCO) is an important met...

  • Article
  • Open Access
20 Citations
6,758 Views
14 Pages

By taking a cylindrical LiFePO4 power battery as the research object, the cycle performance test was conducted under different charging current aging paths in a preset low-temperature environment and combined with EIS results to analyze the dynamic c...

  • Article
  • Open Access
16 Citations
4,274 Views
24 Pages

The extended-range electric vehicle (E-REV) can solve the problems of short driving range and long charging time of pure electric vehicles, but it is necessary to control the engine working points and allocate the power of the energy sources reasonab...

  • Article
  • Open Access
1 Citations
3,638 Views
12 Pages

Precise motor speed regulation control is essential to achieve a good gear shifting quality of the integrated motor-transmission (IMT) system, in which the relative speed between outgoing shaft and the gearwheel to be engaged can be eliminated direct...

  • Article
  • Open Access
12 Citations
5,045 Views
25 Pages

Compressed Driving Cycles Using Markov Chains for Vehicle Powertrain Design

  • Maximilian Zähringer,
  • Svenja Kalt and
  • Markus Lienkamp

In recent years, topics of digitalisation, urbanisation and sustainability are shaping future developments in the automotive industry and pose new challenges to the individual areas of vehicle development. In the design and simulation of multiple com...

  • Article
  • Open Access
10 Citations
3,819 Views
18 Pages

This paper presents an aggregate current-harmonic load model using power exponential functions and built from actual measurement data during the individual charging of four different fully electric vehicles. The model is based on individual emitted c...

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World Electr. Veh. J. - ISSN 2032-6653