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James Burgess

James Burgess

James Burgess studied Business Management at the University of Nottingham. He has worked in property development, chartered surveying, marketing, law, and accounts. He has also…

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Using Viruses to Create Electricity

Using Viruses to Create Electricity

Objects with piezoelectric properties can convert mechanical energy into electrical energy, meaning that electricity can be cleanly produced just by thought movement. Scientists have been trying to find a way to use this phenomenon to create large amounts of electricity for decades, but most materials that can be used to create piezoelectric devices are highly toxic, somewhat limiting their widespread use.

Scientists at the US Department of Energy’s Lawrence Berkeley National Laboratory have developed a method to create electricity via a piezoelectric material that is not toxic. They have created a film of non-human viruses measuring one square centimeter, which have piezoelectric properties, and when placed between two gold plates and pressurized can create a charge equal to 25% of a standard AA battery.

Using viruses means that the desired properties can be easily engineered, the virus can then be easily replicated in large quantities, and simply applied onto thin films.

The scientists found that the harmless virus M13 had piezoelectric properties, but had to genetically engineer it to create a larger voltage than normal. Seung-Wuk Lee, a faculty scientist in Berkeley Lab’s Physical Biosciences Division and a UC Berkeley associate professor of bioengineering, said that “the M13 bacteriophage has a length of 880 nanometers and a diameter of 6.6 nanometers. It’s coated with approximately 2700 charged proteins that enable scientists to use the virus as a piezoelectric nanofiber. More research is needed, but our work is a promising first step toward the development of personal power generators, actuators for use in nano-devices, and other devices based on viral electronics.”

It is the first example of a piezoelectric generator which uses a biological source. The team were able to create enough electricity to power a small liquid crystal display, just by tapping their fingers on the small generator. They suggest that it could lead to electronic devices, such as phones, music players, etc. that could charge as you walk around with them in a pocket

Lee hopes that “the tools of biotechnology will enable large-scale production of genetically modified viruses, piezoelectric materials based on viruses could offer a simple route to novel microelectronics in the future.”

By. James Burgess of Oilprice.com



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  • Janet on June 22 2012 said:
    Whilst Richard tells you the truth, it's not the whole truth. Probably I won't either but I can take you at least one small step fuhertr. The extra downside would be that you need a fair sized battery capacity (with maintenance and occasional replacement) to give you a supply when the sun's not shining.But there is a smart solution provided your electricity supplier agrees with it - and many of them do. You anyway have to convert the power to 120 or 240vac. If you can arrange to connect your generation in parallel with your normal domestic supply, you can sell the electric company any excess power you generate. So you simply let your solar cells run whenever possible and pay (or get paid) for the generation difference. It does depend on sunshine rates and the size of your installation but if you're not using much during daytime the balance will quite likely fall in your favour and the cost / benefit profile can radically improve. A friend uses this system in Switzerland and he negotiated the same tariff for both his export and import.
  • witchyheart on May 17 2012 said:
    hmmm... wow! if the virus can produce electricity, it may also produce oil! just saying... I wonder if I would be still alive if this thing happens for home use.
  • Neil Clapp on May 16 2012 said:
    The article uses the terms "virus" and "bacteria" as though they were the same. Please 'splain. It also mentions a "charge" equal to 25% of that of a "AA battery". Does this translate to 0.375 volt if the AA cell (battery consists of more than one cell) has a nominal output of 1.5 volts? Or is the AA thing a capacitor with a certain charge? Jes' askin'.
  • muthooo on May 15 2012 said:
    interesting

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