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Stretchable Lithium-Ion Battery Could Power Athletes & Patients
5/1/2013

This is the design for a stretchable Li-ion battery that sandwiches electrode disks connected via self-similar, S-shaped metal wires between a pair of thin silicon substrates.   (Source: Nature.com)
This is the design for a stretchable Li-ion battery that sandwiches electrode disks connected via self-similar, S-shaped metal wires between a pair of thin silicon substrates.
(Source: Nature.com)

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Cabe Atwell
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Re: Interesting innovations
Cabe Atwell   5/17/2013 4:10:36 PM
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Once the Flextronics are cheap enough, we will see it in everything I am sure.

C

Elizabeth M
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Re: Interesting innovations
Elizabeth M   5/13/2013 4:19:34 AM
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Ah, interesting, I wouldn't think bendy technology would be so durable offhand but now that I think about it and you mention it, I guess you're right. It could take more of a beating than hard-shelled technology that can crack, break or shatter. So this is the design wave of the future, then, for devices...?

Cabe Atwell
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Re: Interesting innovations
Cabe Atwell   5/10/2013 4:51:10 PM
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Debera & Jack,

I saw the Samsung demo at CES 2013 back in January. With tech ideas like this, it always takes a while for the generational increments to catch up to concepts. Think concept cars versus the ones actually produced.

As Apple stops buying chips and things from Samsung, Samsung will need a new cash cow. Since I am sure they are patenting their bendable tech, keeping it out of Apple's hands, they will have to push the flexibility angle.

I look forward to more rugged tech as a result.

C

Cabe Atwell
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Re: Interesting innovations
Cabe Atwell   5/10/2013 4:47:46 PM
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Elizabeth,

Quite the opposite of delicate, the bendable tech could take more of a beating. Durability will be the most coveted feature. In the future, we will not need phone cases and screen protectors.

Combine this with insulating the circuitry from water, a recent trend, and we will all be happy.

C

Elizabeth M
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Re: Interesting innovations
Elizabeth M   5/6/2013 4:59:47 AM
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Apple makes a bendable watch? Interesting. Is a bendable iPhone on the way? Now that would be cool...though a bit delicate, I imagine!

Debera Harward
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Re: Interesting innovations
Debera Harward   5/4/2013 5:16:04 AM
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Cabe , i didnt knew that samsung is using stretchable lithium ion batteries and producing flexible screens before your post .No doubt these batteries are the very next technology although a lot of work has to be done in it.These stretchable batteries can also be used to power the bionic eyes

Jack Rupert, PE
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Re: Interesting innovations
Jack Rupert, PE   5/3/2013 5:12:20 PM
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Cabe - I didn't know that Samsung (or anybody for that matter) had a bendable display like that until I saw your post and googled it.  The general nature of flexible design has a lot of cool possibilities going forward.

Cabe Atwell
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Re: Interesting innovations
Cabe Atwell   5/3/2013 2:35:52 PM
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Flexible devices are the next step. I see it mostly used in keeping the device safe from damage. But unique designed gadget are sure to immerge.

Samsung makes bendable displays... Apple makes a bendable watch.

C

Cabe Atwell
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Re: STRETCHABLE LI- ION BATTERY
Cabe Atwell   5/3/2013 2:30:52 PM
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Bob,

The project was funded by the "Initiative for Sustainability and Energy at Northwestern University." In house, quite possibly the best way to get financing.

C

bobjengr
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Platinum
STRETCHABLE LI- ION BATTERY
bobjengr   5/3/2013 1:22:33 PM
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  Good post Cabe.  I can certainly see how this could improve the lives of many individuals.  From looking at your illustration, it would appear the weight is minimal with materials that are seemingly "off the shelf".   Do you have any information on how this is funded; i.e. private, Federal, etc.?   The reason for asking, I see many federally funded programs being cut over the next few years and this appears to me to be a very worthwhile investigation.  It would be a pity if it got cut.

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