A Potential Cathode Material for Rechargeable Potassium-Ion Batteries Inducing Manganese Cation and Oxygen Anion Redox Chemistry: Potassium-Deficient ${\mathrm{K}}_{0.4}\mathrm{F}{\mathrm{e}}_{0.5}\mathrm{M}{\mathrm{n}}_{0.5}{\mathrm{O}}_2$

Titus Masese, Kazuki Yoshii, Kohei Tada +11

Potassium-ion ($\mathrm{K}$-ion) rechargeable batteries; considered to be lucrative low-cost battery options for large-scale and capacious energy storage systems, have been garnering tr…