Researchers at the University of Twente, Wuhan University of Technology and Forschungszentrum Jülich have identified nickel niobate (NiNb2O6) as a promising candidate to make lithium-ion battery anodes. The material allows for ten times faster charging rates than conventional graphite anodes while maintaining the battery’s lifetime. An additional advantage is that the manufacturing process isn’t complicated.
NiNb2O6owes its attractive properties to its open and regular crystal structure, featuring channels for charge transport. Even after many cycles of ultrafast charging, it returns to its original state. On the flip side, being more compact than graphite, it has a higher volumetric energy density. This renders the current version of the material more suitable for stationary energy storage applications. Electrically powered heavy transport would also be an option.