The concept of using fruits as batteries has been around for a very long
time - but a team at University of Nottingham Malaysia Campus are taking
it to a whole different level.
A lemon battery is a device that features in many school projects. The energy for the battery
is not in the lemon as such - the electricity is generated by the chemical
reaction from electrodes placed in the lemon that react with the fruit's citric
A team of researchers at University of Nottingham Malaysia Campus (UNMC) is
approaching the "fruit" battery from an entirely different angle.
According to an article on SciDev.Net;
bamboo, coconut shells and the skin of durian fruit can be turned activated
carbon; which among other things is used in the construction of batteries known as 'supercapacitors'.
Supercapitors are energy storage devices able to deliver large amounts of energy
in a short space of time and can be recharged much faster than deep
cycle batteries. Supercapacitors also have a far longer serviceable life
than other current battery technologies; meaning less battery related waste.
The researchers believe the process will cut the material cost of producing
battery components by up to 30 per cent. As activated carbon is often made from
coal, using fruit and other crop waste materials will provide a cleaner,
renewable source of material, with the potential of generating income for
UNMC has also recently officially
opened a super capacitor pilot plant at The University of Nottingham Malaysia Campus
site. The Sahz-Nottingham NANO Super-capacitor Pilot Plant
will produce supercapacitors for solar
energy storage, mobile and electric vehicle applications. The products will
be commercialised under the Enerstora brand.