Studies on the electrochemical and safety performances of a 20 Ah-level iron-based phosphate sodium-ion pouch cell

Key Points

• The study reveals strong electrochemical performance of the 20 Ah sodium-ion pouch cell, exhibiting enhanced capacity retention over cycling.
• Key metrics include a voltage range of 3.0 to 4.0 volts, coupled with over 80% capacity retention after 300 cycles.
• Observational analysis evaluates both electrochemical and safety performance under various operational conditions, ensuring reliability.
• Findings support the viability of iron-based phosphate sodium-ion cells for future energy storage solutions, with further testing advised.