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Integración de procesamiento en seco y presodación previa para baterías de iones de sodio de alta energía

Nan Qin¹, Yifan Li¹, Haotian Yang¹

¹Clean Energy Automotive Engineering Center and school of automotive studies, Tongji University, Shanghai, China.

Nature communications

|December 13, 2025

Resumen

El procesamiento en seco permite la presodación eficiente de sales ricas en sodio para baterías de iones de sodio, mejorando la densidad de energía y la vida útil sin disolventes costosos. Este método supera las limitaciones de las técnicas tradicionales de recubrimiento con lechada para mejorar el rendimiento de la batería.

Sus antecedentes:

La presodación previa con sales sacrificiales ricas en sodio mejora la densidad de energía de las baterías de iones de sodio.
Los métodos de recubrimiento con lechada enfrentan desafíos como altos costos de disolventes y mal contacto eléctrico, lo que limita la efectividad de la presodación previa en electrodos gruesos.

Conclusiones:

El procesamiento en seco es una estrategia viable y sostenible para la fabricación de baterías de iones de sodio de alta energía.
Explotar los efectos mecánicos y térmicos del procesamiento en seco es crucial para una presodación eficiente y la mejora del rendimiento.
Este enfoque ofrece una alternativa rentable y respetuosa con el medio ambiente a los métodos tradicionales de recubrimiento con lechada.

Palabras clave:

baterías de iones de sodio presodación previa procesamiento en seco densidad de energía almacenamiento de energía

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