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old account Frank Eory
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re: Lithium ion battery gets nanowire boost
old account Frank Eory   4/16/2013 6:07:08 PM
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This is exciting news. After all the research papers about silicon nanowire anodes, it looks like somebody finally has a commercially viable solution.

Trident1
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re: Lithium ion battery gets nanowire boost
Trident1   4/17/2013 7:20:45 AM
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This sounds to good to be true. What´s the catch?

DarkMatter0
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re: Lithium ion battery gets nanowire boost
DarkMatter0   4/17/2013 3:51:55 PM
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Most likely the cost.

cramcram
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re: Lithium ion battery gets nanowire boost
cramcram   4/17/2013 4:51:32 PM
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The catch? 1) 10X the energy density == 10X the fun extinguishing the flames. 2) Nanowire and automobile don't seem to be compatible words. Think: pothole.

Etmax
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re: Lithium ion battery gets nanowire boost
Etmax   4/18/2013 2:03:07 AM
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Or mobile phone, think drop!! My guess is it will be heavily potted eliminating that failure mode.

FredK49
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re: Lithium ion battery gets nanowire boost
FredK49   4/17/2013 3:38:50 PM
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The Amprius diagram mentions power density, but the article mentions energy density. I wonder if there's some misunderstanding.

prousseau
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re: Lithium ion battery gets nanowire boost
prousseau   4/17/2013 8:55:56 PM
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I agree with you, plus I don't understand how energy density is increased 10x with low resistance wire, seems like that would help more on peak power (or the carbon solution is really realy crappy eating up to 90% of total energy. If it is power, then the benefits are much more limited. Hmmm!

Francois R
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re: Lithium ion battery gets nanowire boost
Francois R   4/17/2013 3:49:13 PM
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Very positive news... So, lets put this in our agenda for next year, and see what realy happened.

Andrzej11
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re: Lithium ion battery gets nanowire boost
Andrzej11   4/17/2013 4:11:36 PM
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A Tesla with ten times the current range. Now we're talking!

SimulinkJocky
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re: Lithium ion battery gets nanowire boost
SimulinkJocky   4/17/2013 5:46:10 PM
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The caption does say power density, but it quotes an energy density of 4200 mAh/g. I suspect that whoever wrote the caption isn't an engineer or physicist. I predict that there will still be people who have difficulty keeping their cell phone charged :-)

Etmax
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re: Lithium ion battery gets nanowire boost
Etmax   4/18/2013 2:04:39 AM
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RE "I suspect that whoever wrote the caption isn't an engineer or physicist.", when is that ever the case :-)

CtrlAltDel
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re: Lithium ion battery gets nanowire boost
CtrlAltDel   4/18/2013 12:39:27 PM
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anyone notice "Amprius is manufacturing its new batteries in China". So was this from government funded research so we can help China create more jobs ? This is only enriching the individual researcher and not return on investment to the American taxpayer.

jeremybirch
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re: Lithium ion battery gets nanowire boost
jeremybirch   4/18/2013 2:03:19 PM
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if the gold cathode is in the battery - that might be a tad expensive Plenty of other developments reported on the theme of increasing the surface area of the electrodes using nanotechnologies (eg http://www.bbc.co.uk/news/technology-22191650) Not sure about the comments on fragility - surely at that scale the viscosity of the electrolyte will considerably cushion any shock as long as the plates at either end are held rigidly with respect to each other?

selinz
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re: Lithium ion battery gets nanowire boost
selinz   4/21/2013 7:02:18 PM
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If the technology works, we will simply find the end result in Amazon... and CAD, spinoffs usually only are worried about becoming profitable, not saving US manufacturing...

DrQuine
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re: Lithium ion battery gets nanowire boost
DrQuine   4/24/2013 12:40:43 AM
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We seem to see a "breakthrough" technology in battery design and solar cell efficiency every few weeks. I can't wait until we can make use of these new technologies. Affordable electric cars with 1,000 mile ranges, computers with 24 hour batteries, and off-the-grid home power systems have been a long time coming.



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