Institut de Chimie Moléculaire et des Matériaux d'Orsay

Equipe de Recherche et d'Innovation en Electrochimie pour l'Energie (ERIEE)

Research Topics:

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Development of innovative spectroscopies




pulsed electrochemical impedance spectroscopy

  • experimental developments

  • modeling








Experimental setup for pulsed electrochemical impedance spectroscopy





Excitation/response pairs measured
on Pd-H/H2SO4 interfaces



Data modelling



gas-phase impedance spectroscopies

  • experimental developments
  • measurements of experimental transfer functions
  • modeling
  • application to hydrogen storage in hydride forming materials
  • application to hydrogen permeation



Experimental setup for the
measurement of gas-phase
sorption impedances.



Experimental setup for the measurement of gas-phase permeation impedances.



Moeling of gas-phase impedances

[P. Millet, HDR, Université Paris-Sud, 2004]


Some related scientific publications

  • P. Millet, Fourier analysis of hydrogen sorption by metals and intermetallic compounds, thesis to obtain the accreditation for research supervision in chemical sciences, University Paris Sud, 2004

  • P. Millet, P. Dantzer, Impedance of metal hydride electrodes. Rate of phase transformation limited by nucleation and growth mechanisms, Electrochem. Com., 1 (1999) 163-166

  • P. Millet, M. Srour, R. Faure and R. Durand, A study of the hydrogen absorption and desorption reactions in palladium electrodes using the potential step method, Electrochem. Com., 3 (2001) 478-482

  • P. Millet and P. Dantzer, Hydriding kinetics analysis by the frequency response method. Application to the ZrNi-H2(g) system, J. Alloys Comp., 330-332 (2002) 476-482

  • P. Millet, Thermodynamic paths in the two-phase domain of the PdH system and a method for kinetic analysis, Electrochem. Com., 7 (2005) 40-44

  • P. Millet, Pneumato-chemical impedance spectroscopy : (I) principles, J. Phys. Chem., 109 (2005) 24016 – 24024

  • P. Millet, Pneumato-chemical impedance spectroscopy : (II) dynamics of hydrogen sorption by metals, J. Phys. Chem., 109 (2005) 24025-24030

  • P. Millet, S.A. Grigoriev, Pneumato-chemical impedance spectroscopy for analyzing hydrogen sorption and desorption reactions in metal hydride systems, Int. Sci. J. Altern. En. and Eco., 47-3 (2007) 25-31

  • P. Millet, C. Decaux, R. Ngameni, M. Guymont, Experimental requirements for measuring pneumato-chemical impedances, Rev. Sci. Instrum. 78 (2007) 123902-1 to 123902-11

  • C. Lebouin, Y. Soldo, E. Siebert, P. Millet, M. Maret, R. Faure, Electrochemically elaborated palladium nanofilms on Pt(111): characterization and hydrogen insertion study, J. Electroanal. Chem, 626 (2009) 59-65.

  • P. Millet, R. Ngameni, Non-harmonic electro-chemical and pneumato-chemical impedance spectroscopies for analyzing the hydriding kinetics of palladium, Electrochimica Acta, 56 (23) (2011) 7907-7915

  • R. Ngameni, P. Millet, Derivation of the diffusion impedance of multi-layer cylinders.Application to the electrochemical permeation of hydrogen through Pd and PdAg hollow cylinders, Electrochimica Acta, 131 (2014) 52-59