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courbe en fond

Students and postdocs


Hélène Tonnoir

Hélène
Tonnoir

  • PhD

Tél. : 03 22 82 57 87


Main Research Activities

Understanding of the sodium-ion storage mechanism in hard carbons. Material synthesis and characterization, study of the correlations between the type of precursor, the structure, the micro texture and the electrochemical performances of hard carbons.

Academic Training

Master degree, Graduate School of Chemistry, Biology and Physics of Bordeaux (ENSCBP – Bordeaux INP), Department of Chemistry and Physical Process Engineering, Specialization Energy Storage and Conversion, 2017-2020.


Professional skills

Synthesis, Electrochemistry, Structural and microstructural characterizations.

Running Projects

Ministerial Thesis


Coupling Liquid Electrochemical TEM and Mass-Spectrometry to Investigate Electrochemical Reactions Occurring in a Na-Ion Battery Anode

Kevyn Gallegos-Moncayo, Nicolas Folastre, Milan Toledo, Hélène Tonnoir, François Rabuel, Grégory Gachot, Da Huo, Arnaud Demortière

Small Methods, 2024

CVD-coated carbon xerogels for negative electrodes of Na-ion batteries

Berke Karaman, Hélène Tonnoir, Da Huo, Bryan Carré, Alexandre F. Léonard, Jimena Castro Gutiérrez, Marie-Laure Piedboeuf, Alain Celzard, Vanessa Fierro, Carine Davoisne, Raphaël Janot and Nathalie Job

Carbon, 2024

Pyrolysis temperature dependence of sodium storage mechanism in non-graphitizing carbons

Héène Tonnoir, Da Huo, Carine Davoisne, Alain Celzard, Vanessa Fierro, Damien Saurel, Mimoun El Marssi, Manal Benyoussef, Philippe Meunier, Raphaêl Janot

Carbon, 2023

Tannin-based hard carbons as high-performance anode materials for sodium-ion batteries

H. Tonnoir, D. Huo, R.L.S. Canevesi, V. Fierro, A. Celzard, R. Janot

Materials Today Chemistry, 2022

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