Nearly 20 billion eggs are consumed in Germany alone, every year. The eggshells offer an interesting potential: They are suitable as effective, sustainable storage material, and so for the construction, they’re cost-effective and at the same time a good lithium-ion capacitor. The idea of sensibly recycling bio waste is an exciting topic. Professor Maximilian Fichtner from the Helmholtz Institute Ulm (HIU) says: “Surprisingly, there are always new examples in which natural substances have good to very good prerequisites for the production of materials for electrochemical storage.”
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