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What kind of performance would the Tesla have
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lutach
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What kind of performance would the Tesla have - 01.11.2010, 05:36 PM

I posted something in the Tesla blog (http://www.teslamotors.com/blog4/?p=68) where they posted something about the heavy battery pack they use. Funny thing is, they only posted the bottom half of it. This is what I posted:

"If Tesla only knew about higher rate of discharge batteries, they wouldn't need a pack that weighs 1000 pounds. It seems the rookies have a lot to learn. I have access to similar capacity cells that has the capability of 60-100C rate of discharge and 10 second burst of up to 200C above 2 volts (Not A123 Systems). The Panasonic cells might not even be able to pull 10 or 20C rate of discharge. The datasheet only shows info of 2C rate of discharge, so the Tesla pack would realistic be only capable of 300A. Now lets give it the benefit of the doubt it puts out 5-8C rate of discharge at above 2 volts and that's around the 800A+ they claimed it made in a video I saw. If only the customers knew a bit more about these things, I bet the Tesla could've been even better. Money can make you a car, but knowledge can go further. Tesla (Elon Musk), try using better cells instead of Laptop cells and see how faster your Tesla will be, because it'll be able to hold its voltage higher while putting out more power. You can even get faster charging times as well when a more powerful charger becomes available.

Want to know what I'll be using for my car?

A motor that has been tested for 500HP at 20,000rpms, 300Nm and only weighs 150 pounds. A race tested 2 speed sequential transmission. A lithium battery capable of over 1000A of continuous discharge at 3.2 volts. On top of that, a better and more powerful motor can be built since the inverter is capable of delivering 1500HP. I'll also use some other technology that will just make the electric vehicles look better then any I.C. vehicle on the market.

Use better batteries Tesla and you will see better performance."

I attached the datasheet for the cell they use for you guys to see. Do you know why they need 6831 of them (69 in parallel and 99 in series)? I know, it's because the cell is not capable of a high discharge rate. Are they offended that I called them rookies? Man, if I'm going to dish out $100G+ for a car, I would at least need a better cell instead of a laptop grade cell.
Attached Files
File Type: pdf Panasonic_LiIon_CGR18650E.pdf (507.5 KB, 766 views)
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