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Micro-Sized Battery Promises to Deliver Power That Is Anything But

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Elizabeth M
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Liquid metal
Elizabeth M   5/29/2013 6:22:20 AM
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Interesting story, Cabe, especially the use of liquid metal. Funny that its use is coming into play in both one of the smallest-sized batteries created to date and one of the largest being proposed by an MIT-based startup: http://www.designnews.com/author.asp?section_id=1386&doc_id=259497

Ann R. Thryft
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Re: Liquid metal
Ann R. Thryft   5/29/2013 6:57:32 PM
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I agree, Elizabeth, that is an interesting coincidence.

Cabe Atwell
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Re: Liquid metal
Cabe Atwell   5/29/2013 11:48:19 PM
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We consume all the world's rare-earth elements more ravenously every day. It's a shame tech like this has to go through so many hoops before it makes a public debut.

C

Elizabeth M
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Re: Liquid metal
Elizabeth M   5/30/2013 4:36:59 AM
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I wonder if it also points to the start of a new trend in battery design? Guess we'll just have to see what researchers come up with next!

Amclaussen
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Well said Cabe.
Amclaussen   5/30/2013 11:27:55 AM
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Article says: "there is a general tradeoff when designing for battery capability -- either you get a high-capacity, low-power battery, or, a high-power, low-capacity battery..." Well said. Up to now, that has been almost a law! Let's see how this subject evolves in the near future (I hope!). I dream of a set of powerful electric hand tools powered by still more powerful, compact and lightweight batteries that can be recharged in a couple of minutes. Present day LiIon's are a step above NiMetal, which were only a moderate improvment over the NiCads.

Amclaussen.

Ann R. Thryft
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Re: Liquid metal
Ann R. Thryft   5/30/2013 1:01:27 PM
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Elizabeth, I echo your hope. I've seen so many new battery technologies proposed or introduced over the last few decades without turning into a new trend in battery design that I don't get as excited as I used to. Let's hope this one is truly different.

Watashi
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Re: Well said Cabe.
Watashi   5/30/2013 2:15:20 PM
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How about a smart phone that only needs charged once every couple of months!

But, I'd probably just end up losing the charger if I needed it that infrequently.

Amclaussen
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Re:Murphy's Law
Amclaussen   5/30/2013 2:41:48 PM
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EXACTLY: I cannot find the battery charger for my video camera, that I seldom use.

Murphy was right of course, but he was an optimist too.

SiliconGraybeard
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Silver
Wait - That Can't Be Right??
SiliconGraybeard   5/30/2013 6:14:28 PM
Wait - that can't be right, can it? "30 times farther"?

RF requires 3 dB more power to go twice the distance. 30 times farther is close to 5 doublings or 2^5. 30 dB more power is 1000x the power.

a.saji
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Silver
Re: Well said Cabe.
a.saji   5/31/2013 1:14:16 AM
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@watashi: Im not sure if its practical since the battery power is designed based on the usage not on the time frame. So the more you use the quicker it dies.   

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