Recent Progress of Layered Transition Metal Oxide Cathodes for Sodium‐Ion Batteries

Abstract Sodium‐ion batteries (SIBs) are attracting increasing attention and considered to be a low‐cost complement or an alternative to lithium‐ion batteries (LIBs), especially for large‐scale energy storage. Their application, however, is limited because of the lack of suitable host materials to reversibly intercalate Na + ions. Layered transition metal oxides (Na x MO 2 , M = Fe, Mn, Ni, Co, Cr, Ti, V, and their combinations) appear to be promising cathode candidates for SIBs due to their simple structure, ease of synthesis, high operating potential, and feasibility for commercial production. In the present work, the structural evolution, electrochemical performance, and recent progress of Na x MO 2 as…

• NN
  National Natural Science Foundation of China

  Awards: 51572199, 51772218
• AR
  Australian Renewable Energy Agency