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Posts Tagged: Issue 60 – April-June 2022

A closer look at brushed AC motors in EVs

Everything old is new again: BMW’s fifth-generation eDrive features a wound-field synchronous AC motor Brushed DC (and AC/DC universal) motors are much maligned for a number of reasons, but one of the chief—if, perhaps, somewhat exaggerated—complaints is that the graphite brushes, and the segmented copper commutator they ride on, wear out over time, all the while producing… Read more »

ONE’s hybrid battery pack combines the best aspects of two chemistries to deliver 600 miles of EV range

Q&A with ONE CTO Dr. Steven Kaye. There is a wide range of characteristics that describe the performance of any given battery chemistry: energy density, specific energy, specific power, discharge efficiency, self-discharge rate, cycle life, calendar life, and—not the least important—cost.  Some types of Li-ion chemistries are really good in a few characteristics but fall… Read more »

2022 Ford F-150 Lightning First Drive: Ford’s most valued model is now electric

Ford knows trucks, and demand for its F-150 Lightning shows truck buyers may not be as afraid of EVs as many think. The 2022 Ford F-150 Lightning pickup truck may be the first real mass-market electric vehicle sold in the US. Used by individual owners and businesses alike, pickups are a massive part of the… Read more »