Domain, Specialties : CHEMISTRY
Keywords: Synthesis, batteries
Research Unit: NIMBE / LEDNA
Summary
The integration of a reference electrode into a battery allows the electrochemical potential of a given electrode to be measured without affecting the battery’s performance. This potential measurement provides insight into the battery’s aging mechanisms, thereby enabling its performance to be optimized. The aim of this Master’s 2 research project is to synthesize electrode materials that can be used in Na-ion batteries.
Full description
Due to the growing demand for mobile energy storage, particularly in the automotive sector, research is focusing both on new battery technologies offering new prospects in terms of storage capacity and safety, and on diagnostic measures to detect battery aging mechanisms. In this context, it is particularly interesting to develop reference electrode materials for Na-ion batteries.
The LEDNA team at NIMBE is devoted to s synthese different types of nanomaterials to address societal challenges in the energy, environment, and health sectors. As part of its research activities, the laboratory is developing several synthesis methods for obtaining customized nanoparticles (control of the chemical composition, size, and morphology of the nanoparticles). As part of this project, a state-of-the-art analysis will be carried out to determine the relevant materials for the application. These will be synthesized using various processes such as microwave-assisted solvothermal synthesis in air or under an inert atmosphere.
The synthesized materials will be finely characterized using conventional techniques such as powder X-ray diffraction (crystallographic structure) and SEM analysis (particle size and morphology). Cyclic voltammetry measurements will complete this panel to study the electrochemical properties of these materials. The materials with the best properties will be used by the project partners as the active material for the production of reference electrodes and tested electrochemically.
This project is being carried out in collaboration with several partners with complementary expertise, particularly in electrochemical cell instrumentation and post-mortem battery characterization (CEA/LITEN in Grenoble). Meetings between the various partners will take place during the internship.
References:
[1] L. Baggetto, et al., J. Phys. Chem. C, 118 (2014), pp. 7856-7864
[2] L. Baggetto et al., Electrochem. Commun. 2013, 34, 41– 44
[3] Y. Zhu, et al., Nanoscale, 5 (2013), pp. 780-787
[4] Z. Jian, et al. Electrochem. Commun., 14 (2012) 86-89.
[5] X. Zhang, et al. Nanoscale, 2019, 11, 2556.
[6] T. Akçay, et al., ACS Applied Energy Materials 2021 4 (11), 12688-12695
Location
CEA-Saclay, France
Internship conditions
- Internship duration: 6 months
- Level of study: Bac+5
- Training: Master 2
- Continuation in PhD thesis: No
- Application deadline: 5 janvier 2026
Experimental skills
Language : English
Useful methods and technics:
Inorganic synthesis (by microwave, sol-gel, combustion), XRD, SEM, IR, BET, electrochemistry
Links
Web site of the laboratory: https://iramis.cea.fr/en/nimbe/ledna/
Supervisor
Suzy SURBLE
Phone: 01 69 08 69 16
Email :
Head of the laboratory NIMBE / LEDNA
Suzy SURBLE
Phone: 01 69 08 69 16