Fluorine‐Rich Covalent Organic Framework to Boost Electrochemical Kinetics and Storages of K⁺ Ions for Potassium‐Ion Battery (Adv. Energy Mater. 26/2023)

Potassium-Ion Batteries In article number 2300442, Ji-Won Jung, Jihan Kim, Il-Doo and co-workers show that fluorinated arenes in covalent organic frameworks enhance their electrochemical activity stabilize the electrode-electrolyte interfaces, enabling a breakthrough design for electrodes with significantly increased ion storage capacity greatly improved cyclic stability. The unique role of F atoms operational mechanism potassium-ion batteries is meticulously examined through in-depth studies supported by detailed analyses simulations.