Transition-metal fluorides are being explored as alternative lithium-ion battery cathodes, with a focus on overcoming limitations like inefficient kinetics and electrolyte incompatibility. Here, the authors introduce chromium fluorides as cathode material, demonstrating enhanced rate capability and stability, which could significantly expand the options for high-energy conversion in next-generation batteries.
- Joel Casella
- Jȩdrzej Morzy
- Yaroslav E. Romanyuk