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DrQuine
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re: A123's new battery tech goes to extremes
DrQuine   6/16/2012 4:39:48 PM
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Anything that improves reliability, lifecycle cost, and efficiency will be appreciated. The battery maintenance overhead for existing electric vehicles is considerable (cooling systems, heating systems, power shifting). Sometimes they seem to have a mind of their own if you stand next to them when they are parked.

GREATTerry
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re: A123's new battery tech goes to extremes
GREATTerry   6/14/2012 12:41:32 AM
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It is difficult to have technology advancement in battery so even a small step ahead indeed is very encouraging. A123 did a great job by extending the battery life even at high temperature. Even if cost of the battery is lowered much, this can help the whole industry (and the EV industry) a lot by replacing battery packs less frequently. Again if cooling system can be cut down, the cost of the whole system is reduced. More is that the total reliability can even be improved by fewer components!

goafrit
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re: A123's new battery tech goes to extremes
goafrit   6/13/2012 8:36:40 PM
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This is the game changer we have all been waiting for. The new wave of electric cars will be driven by new battery technologies. This seems to be moving in that direction.

elPresidente
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re: A123's new battery tech goes to extremes
elPresidente   6/13/2012 5:29:25 PM
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Marketerspeak for "it's expensive" coupled with the use the word COULD: "reducing or eliminating the need for a thermal management system could reduce “total cost of ownership” over the life of a battery", In a larger system, the cooling/heating system is a fraction of the system cost. Clearly this battery tech is a loser, IMO, if it can't bring costs down, doesn't last with temperature cycling (mysteriously missing), or if it doesn't carry more Wh/kg. Tax boondoggle it looks like to me.

John_Galt
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re: A123's new battery tech goes to extremes
John_Galt   6/13/2012 2:11:50 PM
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Sounds promising - hope there is a follow-up story on the results of the -30C testing. A twenty per cent increase at -30 is oddly phrased as current Lithium secondary battery technolgy doesn't have any meaningful capacity at -30.



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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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