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iCruiser External Battery Pack – The Perfect Battery Booster for Keeping Your Gadget Alive For Another Week
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Guest posted by Sophia.
University of southern California researchers suggest us a more productive use of graphene solar panels.
Can you imagine people powering their cell phone or music/video device while jogging under the sun?
A University of Southern California team has produced flexible transparent carbon atom films that may have great potential for a brand new variety of solar cells.
In a paper recently published in the journal ACS Nano, researchers stated that organic photovoltaic (OPV) cells have been proposed as a method to get low price energy due to their ease of manufacture, lightweight, and compatibility with flexible substrates.
This work shows that graphene, a highly conductive and highly transparent type of carbon made up of atoms-thick sheets of carbon atoms, has high potential to fill this role.
While graphene’s existence has been known for many years, it has only been studied extensively since 2004 due to the impossibility of manufacturing it in high quality and quantity.
The University of southern California team has produced graphene/polymer sheets ranging in sizes nearly 150 square centimeters that in turn can be used to create dense arrays of flexible organic photovoltaic (OPV) cells.
These organic photovoltaic (OPV) devices convert solar radiation to electricity, but not as efficiently as silicon cells.
The energy provided by sunlight on a sunny day is around 1,000 watts per meter square, for every 1,000 watts of sunlight that hits a square meter part of the standard silicon solar cell, 14 watts of electricity will be generated, Organic solar cells are less efficient; their conversion rate for that same 1,000 watts of sunlight in the graphene-based solar cell would be only 1.3 watts.
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