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    PROCESS FOR PREPARING A SOLID ELECTROLYTE BASED ON POLYCARBONATES AND A COMPOSITE ELECTRODE COMPRISING SUCH A SOLID ELECTROLYTE
    5.
    发明申请
    PROCESS FOR PREPARING A SOLID ELECTROLYTE BASED ON POLYCARBONATES AND A COMPOSITE ELECTRODE COMPRISING SUCH A SOLID ELECTROLYTE 有权

    公开(公告)号：US20220416298A1

    公开(公告)日：2022-12-29

    申请号：US17806428

    申请日：2022-06-10

    申请人： COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES

    发明人： Huu-Dat NGUYEN ,  Lionel PICARD

    IPC分类号： H01M10/0565 ,  C08G64/30 ,  H01M4/139 ,  H01M4/04 ,  H01M10/052

    摘要： A process for preparing a solid electrolyte or a composite electrode incorporating a solid electrolyte, configured for an electrochemical system, may involve: (i) synthesizing, in a solvent medium, at least one (co)polymer by ring-opening (co)polymerization (ROP) of at least one 5-8-membered cyclic carbonate and, optionally, of at least one 5-8-membered lactone, catalyzed by Brønsted superacid(s) and initiated by compound(s) comprising hydroxide group(s); (ii) adding to the reaction medium a sufficient amount of an alkali metal or alkaline earth metal hydride, e.g., LiH, to neutralize all the catalyst and obtain an alkali metal or alkaline earth metal salt and to protect the terminal hydroxyl group(s) of the (co)polymer(s); (iii) optionally adding to the mixture from (ii) salt(s) of the alkali metal or alkaline earth metal, e.g., a lithium salt; and (iv) forming a solid electrolyte by evaporation of the solvent medium or a composite electrode incorporating the solid electrolyte.

    METAL-OXYGEN BATTERY
    8.
    发明申请
    METAL-OXYGEN BATTERY 审中-公开

    公开(公告)号：US20180269549A1

    公开(公告)日：2018-09-20

    申请号：US15761285

    申请日：2016-09-19

    申请人： COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES

    发明人： Sebastien SOLAN ,  Lionel PICARD

    IPC分类号： H01M12/08 ,  H01M10/052 ,  H01M10/0569 ,  H01M10/0568 ,  H01M4/02

    CPC分类号： H01M12/08 ,  H01M4/02 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2300/0034 ,  H01M2300/004 ,  Y02E60/128

    摘要： The present invention concerns a metal-oxygen battery containing, as the electrolyte, a monophasic electrolytic solvent medium having at least an alkali metal or alkaline earth metal supporting salt, preferably a lithium salt; a fluorocarbon solvent having an oxygen solubility at least equal to 30% v/v; 10 to 60% by volume of at least fluorinated solubilising agent; and a carbonate solvent. The fluorinated solubilising agent is different from the fluorocarbon solvent; is chosen from the mono-, poly- and perfluorinated, saturated, unsaturated and/or aromatic, linear, branched and/or cyclic hydrocarbon compounds; and has 4 to 18 carbon atoms with the carbon chain having at least one polar end unit and can be interrupted by one or more heteroatoms of oxygen and sulfur atoms and radicals —N(R1)-, —B(R1)- and —P(R1R2)- in which R1 a d R2, identical or different, represent a hydrogen atom or a C1 to C4 alkyl radical.