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Leaving Water in Sodium-Ion Batteries Nearly Doubles Their Energy Storage
Key Takeaways
- Keeping water in sodium-ion battery cathodes nearly doubles energy storage capacity
- Water expands cathode layers, giving sodium ions more room to move during charging
- Hydrated batteries maintained stability for over 400 charge cycles
- Material also works as a desalination electrode, potentially producing fresh water
- Could lower manufacturing costs by eliminating energy-intensive drying steps
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DT Editorial Team··4 min read·via newatlas.com