Woodstock for EV lovers: Lithium iron phosphate produces biggest buzz

We first attended the Electric Vehicle Symposium 13 years ago (AW, Dec. 26, 1994), when an electric-powered future was being forced on the auto-motive industry by the state of California with its zero-emissions-vehicle mandate. That mandate fizzled (long story), but the number of electric-vehicle makers and suppliers seems to have risen regardless (another long story), spurred this time by commerce instead of government.

This year’s EVS23 in Anaheim–yep, they’ve been doing this since 1984–was sort of a Woodstock for EVs. There were electric bicycles, scooters, skateboards, cars and even full-size Class 7 trucks running on nothing more than the juice that comes out of a wall socket.

Batteries still seem to be the toughest part of the equation. While the first General Motors EV1s ran on lead-acid batteries, the next ones went twice as far on nickel metal hydride. NiMH is still used, but many EV makers have moved on to lithium-ion batteries. Another battery company swore that nickel zinc was the answer to everything. Lithium iron (no, not ion) phosphate was being used in everything from electric bicycles to new Shelby Mustangs and real, live Shelby Cobras made by a San Diego company called HST Automotive. HST also says it is working on an all-electric carbon-fiber supercar. The mighty Smith Electric Vehicle Class 7 truck gets up to 150 miles of range from the sodium-nickel-chloride, or Z5, batteries under its bed.

autoweek.com

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