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Is The Elusive 'Ideal' Electric-Car Battery Hiding In Plain Sight?


meyersnole
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From my timeline today.

 

Is The Elusive 'Ideal' Electric-Car Battery Hiding In Plain Sight?

 

 

Nothing really earth shattering in the article, just a nice summation of where the battery tech is at and how Tesla's push to leverage existing technology (the same that Ford is using) might be the best approach. 

 

One bit of information I did gather was that IBM walked away from Li-Air this year. I did not hear that this approach was struggling. Good news is that battery prices continue to drop, and chemistry keeps improving range if only a little bit at a time. 

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The funny thing is, the original Tesla was make out of laptop batteries, yeah like 7000+ of them as said above, 18650 part number I saw the battery in the Tesla showroom in Natick Mall one time.  Those batteries came in two capacities, I forget the exact number but they might have been 1800mah or 2000mah, and when you bought the car, if you got it with the lower capacity cells you paid like 80k and if you wanted it with the higher capacity cells it was like 100k.  

 

-=>Raja.

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The funny thing is, the original Tesla was make out of laptop batteries, yeah like 7000+ of them as said above, 18650 part number I saw the battery in the Tesla showroom in Natick Mall one time.  Those batteries came in two capacities, I forget the exact number but they might have been 1800mah or 2000mah, and when you bought the car, if you got it with the lower capacity cells you paid like 80k and if you wanted it with the higher capacity cells it was like 100k.  

 

-=>Raja.

I thought all Teslas were built with the 85 kWh pack and it's just software which limits the pack use if you have the 70 kWh model.

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  • 1 month later...

Hybrid - I think was talking about the Tesla Roadster, not any Model S.  That said, the Model S 70kWh models have less cells in them.  You can tell because they can't supercharge quite as fast due to the lower pack volts(?).  Lots of fun info at this page on Tesla Tap:  http://teslatap.com/undocumented/- According to that page, the 40kWh version was the only one software limited.

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Hybrid - I think was talking about the Tesla Roadster, not any Model S.  That said, the Model S 70kWh models have less cells in them.  You can tell because they can't supercharge quite as fast due to the lower pack volts(?).  Lots of fun info at this page on Tesla Tap:  http://teslatap.com/undocumented/- According to that page, the 40kWh version was the only one software limited.

Not sure any 40kw models of the sedan were ever built.  My buddy ordered one but received the 60kw model instead.  His car is limited to the 40kw range by TESLA using software.

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  • 2 years later...

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