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Korean Researchers Invent Bendable Battery
2/7/2013

Researchers at the Ulsan National Institute of Science and Technology in Korea have developed, what they claim to be, the world's first imprintable and bendable lithium-ion battery. The move should hasten the adoption of mobile devices with flexible displays, such as Samsung's Youm flexible OLED, and potentially other flexible devices that are beginning to emerge.
Researchers at the Ulsan National Institute of Science and Technology in Korea have developed, what they claim to be, the world's first imprintable and bendable lithium-ion battery. The move should hasten the adoption of mobile devices with flexible displays, such as Samsung’s Youm flexible OLED, and potentially other flexible devices that are beginning to emerge.

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Corona Rich
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Old Glory
Corona Rich   2/8/2013 9:47:38 AM
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Next, laminate a sheet of piezo polymer onto a flexible battery and let it fly proudly in the breeze. 

 

The battery would never run down!

T3485
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First printable - maybe, but not first bendable.
T3485   2/8/2013 11:13:43 AM
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Bendable LiPo rechargeable cells are rather old news. http://www.powerstream.com/thin-lithium-ion.htm

Ann R. Thryft
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Re: First touchscreens, now flexibility
Ann R. Thryft   2/8/2013 11:44:49 AM
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Mydesign, good point about durability. I don't know about the battery technology, since that's somewhat newer, but I began covering flexible electronics about 15 years ago in the technology's early days. That tech is pretty well established--just hasn't been visible until now since many of its earlier uses were inside consumer and other devices: like sport watches, for instance, and other small devices containing electronics. That's how we got circuit boards inside the small stuff. Point is, I think a) the durability problems have been pretty well solved by now for flex circuits, and b) they mostly go into short-lived products.

Watashi
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Re: First touchscreens, now flexibility
Watashi   2/8/2013 1:44:29 PM
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Couple this with the flexible solar panels and LEDs that are in development and you could have a tent with pre-installed lighting and convenience outlets!

apresher
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Battery technology
apresher   2/8/2013 2:24:00 PM
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Just wondering if anyone knows about any significant work being done with the miniaturization of battery technology?  Obvious product designs are managing energy usage like never before, and there is an emphasis on efficiency.  I would think that smaller sizes would be a way to help achieve the goal of making mobile devices more portable wearable.

Charles Murray
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Re: Battery technology
Charles Murray   2/8/2013 6:04:16 PM
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Good question, Al. Maybe one of readers knows of miniaturization work. I do know that all electronics manufacturers are knocking themselves out to reduce MCU current consumption, and therby reduce the number of batteries that are needed. I'm constantly hearing about devices that get taken down from two or three coin cells to a single coin cell.

bobjengr
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Re: First touchscreens, now flexibility
bobjengr   2/10/2013 2:39:27 PM
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Great post Elizabeth.  Also, I can see real application to RFID devices that are gaining greater use as complements and replacements for barcodes systems.  These devices are dropping in costs and improving in effectiveness.   Flexible battery technology is important and I would not be surprised if some form of commercialization is around the corner.   

 

Elizabeth M
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Re: First touchscreens, now flexibility
Elizabeth M   2/11/2013 9:56:25 AM
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Thanks, bobjengr. I didn't think of that, either, but RFID is definitely another application of this technology as it increases in use. That is another technology that has been simmering for years and has taken a bit of time to catch on but you're right, it seems to be making real moves now.

Mydesign
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Re: Bendable Technology
Mydesign   2/11/2013 10:46:49 PM
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"It seems for awhile that device design was going in the direction of thinner, smaller and more sleek"

Elizabeth, you are right. Think about an era where you are folding and carrying laptop/SLR camera in your pouch. Amazing and more convenient.

Mydesign
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Re: First touchscreens, now flexibility
Mydesign   2/11/2013 10:49:58 PM
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"they mostly go into short-lived products."

Ann, if they are targeting only short-lived products then its fine, otherwise durability is a major concern. I personally feels that such advantages has to pass to all level of electronic application, irrespective of it's a short/long lived products.

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