The Solid State and Materials Research Group has come up with a lithium-ion capacitor using electrodes produced from wood particles that are discarded as waste in sawmills. This biomass is very easily available across the Basque Country, and sustainable, inexpensive processes have been used to produce electrodes. The results reveal that the materials derived from biomass have excellent properties for obtaining eco-friendly, cost-effective systems designed to store high-power energy.
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