Part 4/12:
Early sodium-ion batteries suffered from energy density limitations, hindering their competitiveness against established lithium-ion technology. However, CATL's innovations have poised sodium-ion variants to challenge and even surpass lithium-ion batteries in certain key aspects. The introduction of advanced materials, such as the Prussian Blue cathode, promises to enhance energy capacity significantly. Some projections suggest that these new sodium-ion batteries could achieve up to 200 watt-hours per kilogram, positioning them on par with the best lithium-iron phosphate (LFP) batteries currently available.