![]() ![]() “Ultracapacitors are the skeleton of an energy system” “With coconut, you can’t really tune this density or the size of the pores,” Madiberk says. Trouble is, depending on the weather and the time of its harvest, a charred coconut will have a varying density of pores. Of course, the more densely the carbon is covered by correctly sized pores, the more energy it can store for a given gram of material. When a coconut is charred, it produces carbon that, if thinly spread on a sheet of foil and exposed to electrically charged ions, can store the ions in its pores. The company last week received a EUR 15 million loan to continue its R&D from the European Investment Bank, backed by the EU budget guarantee of the Investment Plan for Europe. Until an inorganic - and much more efficient - alternative was developed by Skeleton Technologies. By and large, all of them have thus far been made of activated carbon generated by charring discarded coconut shells. By 2024 it’s expected to rise to EUR 6 billion. This coconut issue is, in fact, a multi-billion euro problem, when you consider the size of the market for supercapacitors, devices for storing energy. What’s truly surprising, however, is that a company in this northern country is solving the big coconut problem.
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