Enhancing smart charging in electric vehicles by addressing paused and delayed charging problems
Nico Brinkel1, Thijs van Wijk2, Anoeska Buijze3
1Copernicus Institute of Sustainable Development, Utrecht University, Princetonlaan 8a, 3584 CB, Utrecht, The Netherlands. n.b.g.brinkel@uu.nl.
Nature Communications
|June 25, 2024
Summary
Many electric vehicle models cannot pause charging due to a sleep mode issue, hindering smart charging benefits. Addressing this technical limitation could double smart charging potential and reduce grid congestion.
Area of Science:
- Electrical Engineering
- Sustainable Energy Systems
- Automotive Technology
Background:
- Smart charging for electric vehicles (EVs) offers grid benefits like reduced congestion and lower costs.
- Current EV models often lack the technical capacity for smart charging due to issues with handling charging pauses or delays.
- Interrupted charging can cause EVs to enter a sleep mode, preventing charging resumption and undermining smart charging strategies.
Purpose of the Study:
- To investigate the technical limitations preventing effective smart charging implementation in electric vehicles.
- To quantify the impact of these limitations on smart charging potential.
- To propose solutions for policymakers and manufacturers to enable widespread smart charging adoption.
Main Methods:
- Technical charging tests were conducted on various electric vehicle models.
- Model simulations were used to assess the potential benefits of overcoming charging interruption issues.
- Analysis of legal and practical solutions was performed.
Main Results:
- Approximately one-third of the tested electric vehicle models exhibit problems with charging pauses and delays.
- Eliminating these charging interruption issues could potentially double the overall smart charging potential.
- The study identified specific EV models susceptible to this technical limitation.
Conclusions:
- A significant portion of current electric vehicles are not equipped for optimal smart charging due to charging interruption issues.
- Resolving these technical barriers is crucial for maximizing the benefits of smart charging for grid management and cost savings.
- The research provides actionable recommendations for industry stakeholders and policymakers to facilitate smart charging integration.
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