The new carbon-based material for sodium-ion batteries can be extracted from apples. Credit: KIT/HIU
A carbon-based active material produced from apple leftovers and a material of layered oxides might help reduce the costs of future energy storage systems. Both were found to have excellent electrochemical properties and stand for the environmentally compatible and sustainable use of resources. Sodium-ion batteries are not only far more powerful than nickel-metal hydride or lead acid accumulators, but also represent an alternative to lithium-ion technology, as the initial materials needed are highly abundant, accessible, and low cost. Hence, sodium-ion batteries are a very promising technology for stationary energy storage systems.
Schematic structure of the layered oxides produced...
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