Electrode materials
Sodium-ion technology: principle, positioning and electrode materials

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Electrode materials


Sodium-ion technology: principle, positioning and electrode materials

Authors : Sébastien CAHEN, Claire HÉROLD, Lucie SPEYER, Tanguy SOUDANT, Valérie PRALONG

Publication date: September 10, 2025 | Lire en français

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2. Electrode materials

Whatever the electrode considered, Na-ion technology benefits from the extensive work that has gone into developing Li-ion batteries since they were first marketed in 1991. Na-ion technology uses very similar negative and positive electrode materials, whether sodium or lithium .

Three main families of materials can be found at the negative electrode: insertion materials, alloying materials and conversion materials. These are differentiated by the sodation mechanisms...

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