Browse Publications Technical Papers 2018-01-0427

Charger Sizing for Long-Range Battery Electric Vehicles 2018-01-0427

The falling cost of lithium ion batteries combined with an ongoing need to reduce greenhouse gas emissions is driving the proliferation of affordable long-range battery electric vehicles (BEVs). However, an inherent challenge with longer-range BEVs is the increased time required to fully charge the battery using standard 120/240 V AC power outlets. One approach to address this issue involves moving to higher power onboard AC chargers; however, household and utility wiring may not allow for the full capability of these higher power chargers. This study explores the typical time available for vehicle charging during an overnight stop based on real-world customer “MyFord Mobile” (MFM) data collected from Ford electrified vehicles. Through this approach, the available overnight time for recharging and required energy to be added to the battery are evaluated under the influence of typical daily driving distances, extreme ambient temperatures, and value charging time windows.


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