Research network on electrochemical energy storage,
Research center on batteries and supercapacitors

Researches explained

For 7 years, RS2E researchers have been publishing several papers on the phenomenon of anionic redox. This oxidation-reduction phenomenon is added to the “classical” cationic redox, in particular in the “Li-rich” materials and leads theoretically to higher energy density batteries. Their lifetime could be increaded by 20%.

A team of RS2E researchers used theoretical tools to understand the mechanisms and the limitations of the anionic redox process
Simply changing the solvent of an pseudocapacitive system can drastically impact the performances of a Mxene Ti3C2 electrode
Despite being promising cost-wise, sodium-ion batteries were not able to overpass lithium ones in terms of specific energy until now. To fill the gap, RS2E researchers (Collège de France/LRCS) with the help of Argonne National Laboratory tried to use the Na3V2(PO4)2F3 (or NVPF) electrode at its full potential by harnessing the third sodium which was considered as impossible before. This activation is done via the formation of a disordered material and improves the NVPF electrochemical performances.
Researchers from PHENIX (Paris) and CIRIMAT (Toulouse) published in Physical Review X their works on the use of capacitive technologies to create osmotic energy.


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