Aging of commercial sodium-ion batteries with layered oxides: how to measure and analyze it?

Key Points

• The aim is to improve understanding of aging mechanisms in sodium-ion batteries for better performance and commercial viability.
• Investigated aging of sodium-ion batteries with a focus on electrode performance.
• Measured the degradation of layered oxide materials in batteries.
• Analyzed data to link aging effects to electrode structure and chemistry.
• Identified key factors contributing to the aging of sodium-ion batteries.
• Quantified performance loss linked to electrode material degradation.
• Provided insights that can aid in the commercialization of sodium-ion battery technologies.