Enabling fast charging – Vehicle considerations

Meintz, Andrew; Zhang, Jiucai; Vijayagopal, Ram; Kreutzer, Cory; Ahmed, Shabbir; Bloom, Ira; Burnham, Andrew; Carlson, Richard Barney; Dias, Fernando; Dufek, Eric J.; Francfort, J.E.; Hardy, Keith; Jansen, Andrew N.; Keyser, M.; Markel, Anthony; Michelbacher, Christopher; Mohanpurkar, Manish; Pesaran, A.; Scoffield, Don; Shirk, Matthew; Stephens, Thomas; Tanim, Tanvir R.

doi:10.1016/j.jpowsour.2017.07.093

Cited by 158 publications

(79 citation statements)

References 6 publications

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“…Since EVs are still not capable of charging at speeds similar to traditional gas refueling ICE vehicles, long queues and long waiting times may develop at fast charging stations during peak traffic rush hours [14]. The authors in [12] and [20] therefore proposed ultra-fast charging (UFC) technology to reach the charging speeds of traditional ICE vehicles.…”

Section: A Level 3 DC Fast/rapid Public Charging Technologymentioning

confidence: 99%

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Using Electric Vehicles and Demand Side Response to Unlock Distribution Network Flexibility

Sonder

Cipcigan

Ugalde‐Loo

2019

2019 IEEE Milan PowerTech

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The transportation sector is one of the largest sources of greenhouse gas emissions. This has encouraged governments worldwide to fund the development of ultra-low carbon emission vehicles and replace internal combustion engine (ICE) vehicles with electric vehicles (EVs). Among EV drivers, 'range anxiety' is one of the main issues resulting from long charging durations. The reduction of charging duration by the introduction of DC fast/rapid charging stations is widely discussed in the literature. However, high charging demands due to fast charging stations may cause some challenges for power networks. In this paper, the impacts of different types of fast chargers on a UK generic distribution network are investigated. The most suitable and robust connection points of the network where fast chargers can be deployed are identified without affecting the stability and security of the system. The main findings show that network losses increase, voltages operate beyond strict limits, and system equipment becomes overloaded with increased fast charging activities in the network. Therefore, critical network points are reinforced with distributed generation units (DG) and static VAr compensator (SVC) devices to improve the system reliability and mitigate the impacts of such challenges.

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Section: A Level 3 DC Fast/rapid Public Charging Technologymentioning

confidence: 99%

“…Increasing the capacity of batteries is one way of addressing this issue; however, this increases the vehicle's weight and price. Therefore, reducing the long charging duration by introducing DC fast/rapid chargers, and improving charging infrastructures are considered as the most effective solutions in the literature [11]- [14].…”

Section: Introductionmentioning

confidence: 99%

Using Electric Vehicles and Demand Side Response to Unlock Distribution Network Flexibility

Sonder

Cipcigan

Ugalde‐Loo

2019

2019 IEEE Milan PowerTech

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“…Furthermore, an updated pulse charging process combined with a galvanostatic charge-discharge (GCD) mode can improve the cycling performance of LIBs [43]. Currently, some fast-charging algorithms are still in development, which could decrease the charging time while protecting the health of the battery [44][45][46]. However, for practical battery systems, it was still suggested that the CC-CV charging protocol with an appropriate charging current and charging voltage was the best choice, since it provided good overall performance.…”

Section: Charge Protocolmentioning

confidence: 99%

Challenges of Fast Charging for Electric Vehicles and the Role of Red Phosphorus as Anode Material: Review

Zhao¹,

Wang²,

Chen³

et al. 2019

Preprint

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Electric vehicles (EVs) are being endorsed as the uppermost successor to fuel-powered cars, with timetables for banning the sale of petrol-fueled vehicles announced in many countries. However, the range and charging times of EVs are still considerable concerns. Fast charging could be a solution to consumers' range anxiety and the acceptance of EVs. Nevertheless, it is a complicated and systematized challenge to realize the fast charging of EVs because it includes the coordinated development of battery cells, including electrode materials, EV battery power systems, charging piles, electric grids, etc. This paper aims to serve as an analysis for the development of fast-charging technology, with a discussion of the current situation, constraints and development direction of EV fast-charging technologies from the macroscale and microscale perspectives of fast-charging challenges. It is emphasized that to essentially solve the problem of fast charging, the development of new battery materials, especially anode materials with improved lithium ion diffusion coefficients, is the key. It is highlighted that red phosphorus is the most promising anode that can simultaneously satisfy the double standards of high-energy density and fast-charging performance to a maximum degree.

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“…The use of rechargeable batteries (mainly lithium and sodium based rechargeable batteries) to electrical vehicles and grid energy storage in recent years calls for high energy density, greater battery cycle life and safety characteristics [1][2][3] . To meet the above requirements, significant efforts are being focused on materials modification, developing promising new materials and new chemistry for the next generation of rechargeable batteries.…”

Section: Introductionmentioning

confidence: 99%

The application of synchrotron X-ray techniques to the study of rechargeable batteries

Gong

Yang

2018

Journal of Energy Chemistry

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Enabling fast charging – Vehicle considerations

Cited by 158 publications

References 6 publications

Using Electric Vehicles and Demand Side Response to Unlock Distribution Network Flexibility

Using Electric Vehicles and Demand Side Response to Unlock Distribution Network Flexibility

Challenges of Fast Charging for Electric Vehicles and the Role of Red Phosphorus as Anode Material: Review

The application of synchrotron X-ray techniques to the study of rechargeable batteries

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