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It's the Batteries, Stupid!

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... Tesla's (Panasonic) cells .......

Die Batterien sind laut Daimler zur Überbrückung gedacht - bis die Evonik-Tochter Li-Tec eigene Batterien liefern kann.
"Die Tesla-Batterien sind die derzeit beste Lösung, wenn man jetzt mit der Produktion reiner Elektrofahrzeuge beginnen will", sagte ein Daimler-Sprecher auf Nachfrage der Automobilwoche.

Daimler zufolge soll eine hohe dreistellige Zahl an Batterien und Ladeeinheiten von Tesla bezogen werden.


Google Translation.

The batteries can be designed to bridge, according to Daimler deliver - until the Evonik subsidiary Li-Tec own batteries.

"The Tesla batteries are currently the best solution if you now want to begin the production of pure electric vehicles," a Daimler spokesman said on demand from the automotive week.

Daimler According to a high three-digit number of batteries and units of Tesla are available.
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if TM and Daimer have a "quid pro quo" contract TM may get the Li-Tec technology if they ready.

The two companies have collaborated on electric powertrain technology for over a year, but the final version of Tesla’s Smart car battery pack is still under development. Tesla and Daimler did not announce pricing or terms of the deal

Daimler AG and Evonik Industries AG got a Joint-Venture for
mass-production of Li-Tec Battery Packs - founding the "Accumotive"
Company.
 
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a few benefits:

- Flat packs , better fits
- less cells
- better heating / cooling , cause they flat

[YOUTUBE]m81jn8MnPXk[/YOUTUBE]

Very interesting. Durability in harsh thermal environments looks impressive, as does the discharge/recharge cycle figure in the thousands.
If they can match that to high energy and power densities, it's a winner - I suspect however that this may be why they are sticking with Tesla's system for now.
 
Very interesting. Durability in harsh thermal environments looks impressive, as does the discharge/recharge cycle figure in the thousands.
If they can match that to high energy and power densities, it's a winner - I suspect however that this may be why they are sticking with Tesla's system for now.
Based on some of the claims in the video, I have to wonder if this is the "different chemistry" that is supposed to make up the Model S 300 mile battery.
 

The numbers in the article aren't intenally consistent. Itt says that the 2009 cost is $1000/kWh. Then it says the Roadster battery cost $33,000. Since the Roadster battery is (roughly) 53kWh, it would be $53K at their battery price, or the price of batteries was really more like $600/kWh.

I believe the latter ($600/kWh in 2009). That's then consistent with both the Obama target of $300 in 2015 and the LG comment that they want to cut the price in half by then.

$300/kWh batteries in 2015 would still be kind of steep for low priced BEVs; the Roadster pack would still cost over $15K. If it gets to $100/kWh, however, then ICEs are heading for niche-market status, especially if they can increase the energy density by a comparable amount. That would mean $5K for a 200 mile pack for a small call, and for $15k you could get 400 miles for a pretty big vehicle or more like 6-700 for a Roadster class machine. Seattle to San Francisco on a charge would pretty much kill range anxiety.
 
Future Tech: Solid State Electrolytes for Li-Ion

Just stumbled across this tidbit - it seems Florida startup Planar Energy has recently been making some waves with its new vacuum-free roll-to-roll process for producing solid-state Li-Ion electrolytes.

They're claiming their technology could enable development of solid-state Li-Ion batteries with 2-3x more energy capacity (and at half the price) of existing technologies. They've got a long way to go yet (building samples, cycle testing, etc.) but this tech could be really promising for Tesla et al. a few years down the road...

New Energy & Fuel Article
Technology Review Article
 
Just stumbled across this tidbit - it seems Florida startup Planar Energy has recently been making some waves with its new vacuum-free roll-to-roll process for producing solid-state Li-Ion electrolytes.

They're claiming their technology could enable development of solid-state Li-Ion batteries with 2-3x more energy capacity (and at half the price) of existing technologies. They've got a long way to go yet (building samples, cycle testing, etc.) but this tech could be really promising for Tesla et al. a few years down the road...

New Energy & Fuel Article
Technology Review Article
FYI: The above feels like spam, but I'll leave it since it appears relevant.