Charging infrastructure for plug-in electric vehicles (PEVs) is a widespread topic of discussion. Several experts suggest investments are necessary to develop charging infrastructure outside the home, e. g. at public or semipublic locations, while others advise against this. In this paper we analyze the impact of upgrading charging infrastructure on potential PEV-usage. We use two large data sets of driving behavior from the United States and Germany to study the technical possibility of replacing a conventional car with a battery electric vehicle (BEV) and the share of distance driven in electric mode for plug-in hybrid electric vehicles (PHEVs) in different charging infrastructure scenarios.As the last section showed, there is a high share of driving profiles (> 65 %) that could technically be covered by battery electric vehicles with small batteries (net capacity C < 10 kWh) if there is charging infrastructure available at home. By replacing cars with plug-in hybrid electric vehicles with an average-sized battery (net capacity of C = 10 kWh), the majority (> 60 %) of all driving profiles for the US and Germany could be driven with high electric driving shares (> 80 %) and low infrastructure development. Thus we conclude: For the introduction of plug-in electric vehicles into the US or German market, high shares of vehicles can be operated as PEVs using home-charging only. It is possible to increase the market shares of BEVs or the electric driving shares of PHEVs by installing additional infrastructure in semipublic or public locations. A higher power rate at private locations does not have a significant impact. However, the analysis presented here is from a technical point of view as mentioned in section 1. An economic analysis that also addresses the payments for charging infrastructure as well as the total costs of ownership should also be taken into account. This might indicate that smaller batteries are also feasible. It would also be of interest for further research to look at driving profiles with a longer observation horizon, which could also include holiday trips, or at the actual availability of home-charging infrastructure. Considering other countries might also be instructive.
Vehicle charging infrastructure demand for the introduction of plug-in electric vehicles in Germany and the US
EVS, Electric Vehicle Symposium, 26 ; 887-894
2012
8 Seiten, 3 Bilder, 2 Tabellen, 15 Quellen
Aufsatz (Konferenz)
Englisch
Fraunhofer Publica | 2012
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