A Functionally Graded Cathode Architecture for Extending the Cycle‐Life of Potassium‐Oxygen Batteries

Abstract Invited for this month's cover picture is the group of Prof. Vishnu Baba Sundaresan. The cover picture shows a functionally‐graded cathode for potassium‐oxygen batteries, regulating K + ‐ion and oxygen transport at the trilayer electrolyte‐cathode‐air interface. Read the full text of the article at 10.1002/batt.201900025