Wednesday, 27 Feb, 2008 Science
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Body Heat to Power Electronic Devices Soon

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Using body heat instead of batteries to power various devices is no longer a dream. German scientists developed a circuit that can be used to produce electricity from body heat.

A new way of generating electricity from body heat was discovered by researchers at the Fraunhofer Institute for Integrated Circuits IIS in Germany together with scientists at the Fraunhofer Institute for Physical Measurement Techniques (IPM) and the Fraunhofer Institute for Manufacturing Engineering and Applied Materials Research IFAM.

Their method is based on the principle of thermoelectric generators (TEG)produced from semiconductor elements. The temperature difference between hot and cold environment contributes to generation of electricity with the help of TEGs.

Usually, the difference of several tens of degrees is necessary to generate electricity. But when comparing body temperature and environment temperature, the difference is just a few degrees which is enough to generate only low voltages. In order to produce electricity for electronic devices one or two volts are necessary, while TEG extract about 200 millivolts.

The scientists developed a completely new way of generating electricity, creating circuits that work on 200 millivolts. This discovery led to creation of electronic system that produces energy from body heat. Researchers are making further improvements for various applications.

Electricity would be possible to produce anywhere a temperature difference takes place.

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Comments:

36 votes

//11 Nov 10, 2010 04:49 AM | posted by: azzir
hai
40 votes

//10 Aug 21, 2010 06:38 PM | posted by: nim
According to me its working is much similiar to silicon photovoltic cells
40 votes

//9 Aug 13, 2010 06:44 PM | posted by: jithin
my thought into reality............... congrats!
40 votes

//8 May 17, 2010 07:56 PM | posted by: Samuel abimbola lagos nigeria
Am an upcoming mechanical engineer of federal university minna we too will invent soon but cudos to the People making exploit and inventing things thanks for making life easier for the whole world
36 votes

//7 Jan 19, 2010 01:25 PM | posted by: raxtika bhabii
->wo0w..amazing isnt it?? but it looks like its expensive right?
and was it harmless to human?im just worrying..heheeheh
40 votes

//6 Dec 08, 2008 06:00 AM | posted by: Lotchie Almendral
Wow! it's my big pleasure to know that our body is one source of electricity..... im lotchie almendral....... from philippines
42 votes

//5 Oct 10, 2008 07:56 AM | posted by: bilalkhan
i am a pakistani and i appreachead all the makers they built a very amazing circuit i think it full filll some amount of electricity
49 votes

//4 Mar 22, 2008 04:08 PM | posted by: jerry
it was excellent... really it was amazing...
our body will surely become a electronic equipment in forecoming days....
49 votes

//3 Feb 29, 2008 10:56 PM | posted by: joe
yes if they could adapt that to work with the bionic contacts that would be crazy
45 votes

//2 Feb 29, 2008 07:25 PM | posted by: Hazey
YES!! This is just one step in the direction towards electronic fabrics that have all sorts of goodies powered by our bodies!!
41 votes

//1 Feb 28, 2008 10:39 AM | posted by: alcotrazz [InfoMANIAC]
wow, that's great! there always so much energy we're wasting!!! soon, when oil runs out, we'll need more alternative ways to gain energy!

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