Toyota's Breakthrough in Fluoride-Ion Batteries for Electric Vehicles

2x EV range: Toyota's solid-state battery cathode beats lithium energy 🔗

Researchers have used a new cathode material for all-solid-state fluoride-ion batteries (FIBs) that provides double the capacity of typical lithium-ion cathodes.

Toyota's collaboration with researchers has led to a significant advancement in all-solid-state fluoride-ion batteries, utilizing copper nitride (Cu3N) as a cathode material. This new cathode demonstrates a reversible capacity of approximately 550 mAh/g, which is more than double that of conventional lithium-ion batteries. The fluoride-ion batteries are expected to enhance electric vehicle (EV) driving ranges from 600 km to 1,200 km. This breakthrough addresses previous limitations in fluoride-ion technology, potentially paving the way for safer and more efficient energy storage solutions in the future.

What is the main advantage of the new fluoride-ion batteries developed by Toyota?

The new fluoride-ion batteries have a reversible capacity of approximately 550 mAh/g, which is more than double that of traditional lithium-ion batteries, allowing for longer driving ranges for electric vehicles.

How does the copper nitride cathode improve battery performance?

Copper nitride allows for a multielectron-transferred fluorination process, leading to increased energy density and durability, enabling the batteries to withstand many charge/discharge cycles.

What potential applications are suggested for the fluoride-ion batteries?

These batteries are expected to be practical for electric vehicles, potentially doubling their driving range and improving safety due to the use of solid electrolytes.