Enabling the Electrochemical Performance of Maricite-NaMnPO₄ and Maricite-NaFePO₄ Cathode Materials in Sodium-Ion Batteries

Table 1

Elemental stoichiometry of pristine m-NaMnPO₄ and m-NaFePO₄ powders.

	Elements	Na	Fe	Mn	P	O
m-NaMnPO4	Mass fraction	12.80 (±0.2)	—	30.80 (±0.2)	18.20 (±0.2)	36.80 (±0.4)
	Stoichiometric ratio	1.0	—	1.01	1.05	4.13
m-NaFePO4	Mass fraction	13.36 (±0.06)	30.90 (±0.1)	—	17.30 (±0.1)	35.50 (±0.3)
	Stoichiometric ratio	1.0	0.95	—	0.97	3.83