Unraveling the Degradation Mechanism of Sodium Iron Hexacyanoferrate Cathode in Sodium Ion Batteries

Key Points

• Sodium iron hexacyanoferrate cathodes exhibit a significant degradation mechanism that affects battery efficiency.
• The study uncovers key factors, including structural Fe(CN)64- vacancies, that contribute to the degradation process.
• Understanding these mechanisms can lead to improvements in the performance and longevity of sodium ion batteries.
• Investigating this degradation process is essential as sodium ion batteries become more viable for energy storage solutions.