Comments on: Battery http://gm-volt.com/2007/01/20/battery/ Real-time news, information, and discussion about the Chevrolet Volt. Sun, 12 Feb 2012 23:09:01 +0000 hourly 1 http://wordpress.org/?v=3.3.1 By: Florian http://gm-volt.com/2007/01/20/battery/#comment-29 Florian Mon, 29 Jan 2007 18:46:47 +0000 http://www.gm-volt.com/2007/01/20/battery/#comment-29 Hi, I found your blog via google by accident and have to admit that youve a really interesting blog :-) Just saved your feed in my reader, have a nice day :) Hi,
I found your blog via google by accident and have to admit that youve a really interesting blog :-)
Just saved your feed in my reader, have a nice day :)

]]> By: Papiscott http://gm-volt.com/2007/01/20/battery/#comment-25 Papiscott Fri, 26 Jan 2007 23:27:59 +0000 http://www.gm-volt.com/2007/01/20/battery/#comment-25 Does anyone know the design specifications for the battery in the current GM Volt design. In other words - at what battery capability will we meet the needs of the GM Volt? In particular: required total capacity : 16 KWh?? energy density: ?? power density: ?? temperature range: -20 F to 120 F ?? recharge cycles: 5000 ?? cost : ?? The numbers I listed are just values I have read from other sources. I don't know the real numbers. Also I realize that the design of the GM Volt may change to accommodate different numbers should a more “viable battery” become available. Does anyone know the design specifications for the battery in the current GM Volt design. In other words – at what battery capability will we meet the needs of the GM Volt? In particular:

required total capacity : 16 KWh??
energy density: ??
power density: ??
temperature range: -20 F to 120 F ??
recharge cycles: 5000 ??
cost : ??

The numbers I listed are just values I have read from other sources. I don’t know the real numbers. Also I realize that the design of the GM Volt may change to accommodate different numbers should a more “viable battery” become available.

]]> By: GM VOLT » Battery Developments http://gm-volt.com/2007/01/20/battery/#comment-18 GM VOLT » Battery Developments Tue, 23 Jan 2007 21:05:53 +0000 http://www.gm-volt.com/2007/01/20/battery/#comment-18 [...] It is increasingly clear that the heart of this car, the debate surrounding it, and other potential cars for this market comes down to the Lthium-ion battery.  Weve had some interesting comments about prohibitive costs; see it here. [...] [...] It is increasingly clear that the heart of this car, the debate surrounding it, and other potential cars for this market comes down to the Lthium-ion battery.  Weve had some interesting comments about prohibitive costs; see it here. [...]

]]> By: Tony Belding http://gm-volt.com/2007/01/20/battery/#comment-15 Tony Belding Tue, 23 Jan 2007 13:54:24 +0000 http://www.gm-volt.com/2007/01/20/battery/#comment-15 Based on my understanding of li-ion battery technology, the battery in the Volt could and should be real -- it's just not suitable for a production vehicle in terms of price and durability. We may be looking at a $16,000 battery pack with a 20,000 mile lifespan. That's fine for a show car, but not acceptable for something you sell to the public. Martin Eberhard offered a surprising but cogent point in his latest blog. He noted that the Volt would actually flog its batteries a lot harder than the Tesla Roadster does. Every time you drive 40 miles in a Volt you'd be subjecting it to a complete deep-discharge cycle. If you drive a Tesla 40 miles, the battery pack is still at 84%. His conclusion. . . Today's Li-ion battery technology is good enough for the Tesla Roadster, but not yet durable enough to make the Volt practical. Based on my understanding of li-ion battery technology, the battery in the Volt could and should be real — it’s just not suitable for a production vehicle in terms of price and durability. We may be looking at a $16,000 battery pack with a 20,000 mile lifespan. That’s fine for a show car, but not acceptable for something you sell to the public.

Martin Eberhard offered a surprising but cogent point in his latest blog. He noted that the Volt would actually flog its batteries a lot harder than the Tesla Roadster does. Every time you drive 40 miles in a Volt you’d be subjecting it to a complete deep-discharge cycle. If you drive a Tesla 40 miles, the battery pack is still at 84%. His conclusion. . . Today’s Li-ion battery technology is good enough for the Tesla Roadster, but not yet durable enough to make the Volt practical.

]]> By: Aziz http://gm-volt.com/2007/01/20/battery/#comment-14 Aziz Mon, 22 Jan 2007 17:28:10 +0000 http://www.gm-volt.com/2007/01/20/battery/#comment-14 This angle of the car reminds me of my old mercedes C coupe. This is an exact copy. This angle of the car reminds me of my old mercedes C coupe. This is an exact copy.

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