Dual Role of Ti3C2Tx MXene in Li–S Batteries: Cathode Additive and Separator Modifier for Enhanced Performance. - Bonilla, Álvaro; Gentile, Antonio; Ferrara, Chiara; Picciacchia, Federico; Gómez‐Cámer, Juan Luis; Tosoni, Sergio; Caballero, Álvaro; Ruffo, Riccardo (Advanced Functional Materials, 2026)