Successful energy storage technology is one of the key requirements needed for using renewable energies. Over the past decades, the development of lithium-ion batteries (LΙΒs) has greatly promoted portable electronic equipment and electric vehicles, but there remains a large supply-demand gap, in particular for large scale energy storage. Sodium-ion batteries (NΙΒs) are considered promising alternatives for LIBs due to the abundance of sodium resources. The phosphate-based polyanion materials have shown significant interest in terms of their stability, high ionic mobility, security, and structural versatility. However, these materials still pose application challenges because of their restricted energy density and low intrinsic electronic conductivity. A lot of work is required prior to their widespread application as commercial NΙΒ cathode materials. In the present paper, the authors have focused on the methods used to elaborate sodium manganese phosphate by discussing the results obtained including the structures and morphology of ΝaΜnΡO4 produced according to the literature.

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