37 research outputs found

    The Interest of Diazonium Chemistry for Aqueous Lithium-Ion Battery

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    International audienceAqueous Li-Ion rechargeable batteries (ARLB) could be a promising candidate for a low cost and potentially green battery technology with medium energy level. Nevertheless, their practical interest is mainly linked to the increase of their nominal voltage beyond the water electrochemical stability window. This paper deals with the use of the diazonium chemistry for increasing water reduction overvoltage through the films formed on the electrode surface though their reduction. According to the chemistry chosen, we have put in evidence that the use of difunctional diazonium doesn't limit the performances of the positive LFP electrode on aqueous electrolyte and allows increasing from 200 mV to 400 mV the water reduction overpotential

    High Specific Li-ion cells based on high voltage materials

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    This paper presents the results obtain in the frame of the ESA TRP: High specific Li-ion cells based on high voltage materials. As there is a need of high energy cells for Space application, a low TRL study was performed by Saft, CEA and ADS in order to developed high energy cells prototypes with a space proven cell mechanical design. The program was divided into 3 main parts. 1) Bibliographic study on the most promising active materials, 2nd a laboratory 2) Laboratory scale study of the selected active materials 3) Realization and electrochemical evaluation of format D prototype cell

    High Specific Li-ion cells based on high voltage materials

    No full text
    This paper presents the results obtain in the frame of the ESA TRP: High specific Li-ion cells based on high voltage materials. As there is a need of high energy cells for Space application, a low TRL study was performed by Saft, CEA and ADS in order to developed high energy cells prototypes with a space proven cell mechanical design. The program was divided into 3 main parts. 1) Bibliographic study on the most promising active materials, 2nd a laboratory 2) Laboratory scale study of the selected active materials 3) Realization and electrochemical evaluation of format D prototype cell
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