Unraveling H+/Zn2+ Sequential Conversion Reactions in Tellurium Cathodes for Rechargeable Aqueous Zinc Batteries

↔ Te and Te ↔ ZnTe, are explicitly revealed within the electrochemical window of routine aqueous Zn electrolytes. The mechanism elucidated here complements the understanding of energy-dense Te centers and propels the exploration of high-capacity electrodes for multivalent battery chemistries.