Breaking the limits of Ruddlesden–Popper cathodes to achieve a game-changer for proton-conducting solid oxide fuel cells

Abstract

The high-entropy R–P cathode, La 0.4 Pr 0.4 Nd 0.4 Ba 0.4 Sr 0.4 NiO 4+ x (LPNBSN), merges record-breaking performance with exceptional durability for H-SOFCs—a critical leap toward sustainable energy technologies.