Resolved Question: Chemistry Car Battery Question?

10 August 2010, 1:58 pm

My teacher gave us this question on a lab and I have no clue how to start it, mostly because we've never talked about horsepower. Can anyone help? The Chevy Volt is shaping up to be one of the first consumer electric vehicles. It has a 150 horsepower electric motor under the hood. This car is envisioned to be powered by lithium ion batteries, however, there are technical issues that still need to be overcome with these batteries. If Chevy were to switch to off the shelf 12V car batteries, how many batteries would be needed to have this car go 40 miles? How many for 100 miles? At 10 cents for a KWh, how much would it cost to go 100 miles? How does this compare to a gasoline car that gets 30 mpg? Thanks! My teacher gave us the problem exactly as it is above, with no other information, and refuses to answer any questions--he just says "figure it out yourself". ):... Read More »

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