Researchers have developed a novel battery cathode material composed of iron, chlorine, and lithium that exhibits a trifecta of desirable properties. The material is inherently conductive, facilitating efficient electron transport. It also effectively stores lithium ions, contributing to high energy density. Furthermore, the material possesses self-healing capabilities, potentially extending battery lifespan and improving safety by mitigating the effects of damage or degradation. This innovative material holds promise for advancing battery technology and enabling more efficient and durable energy storage solutions.