interview > eberhard > eberhard 10
Eberhard 10 (0:36)
Topic(s): Efficiency / Electric & Hybrid
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it's all about driving range—it's about batteries. I mean
driving range all about batteries. And the reason we chose to use lithium-ion
batteries as opposed to either lead acid or even nickel metal hydrate that were
used in all electric cars ever before. It's the energy density, how much
energy can you fit in a given amount of space and weight. Lithium-ion batteries
are about four times the energy density of the previous car batteries and
that's phenomenal difference. That's like a four times bigger gas
tank, so that's for the driving range comes from. It comes at a price
that—I think that the driving range is one the most important things to
electric cars to become acceptable.
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Created April 2008