ELECTROLYTE SOLUTION FOR A LITHIUM ION CELL

    公开(公告)号:US20210013545A1

    公开(公告)日:2021-01-14

    申请号:US16921323

    申请日:2020-07-06

    Abstract: An electrolyte solution for a lithium-ion cell includes at least one organic carbonate solvent, at least one lithium salt including a non-coordinating anion and at least one polyfluorinated alkoxy olefin according to the general formula I, the general formula II, or the general formula III: I: RaRbC═CH—O—R, II: RaRbC═CH—O—CHRa′Rb′, III: RaRbC═CH—O—Rc—O—CH═CRa′Rb′, wherein Ra and Ra′ are each independently a fluorinated alkyl group having 1 or 2 carbon atoms, Rb and Rb′ are each independently F, Cl, Br or H, and R is CnHxFy, wherein n is an integer from 1 to 6, x and y are each independently integers from 0 to 13, and x+y=2n+1 or x+y=2n−1, and Rc is CkH(2k+1), wherein k is an integer from 2 to 4.

    POLYIMIDE FOR FLEXIBLE DISPLAYS, FLEXIBLE DISPLAYS, AND METHODS FOR MAKING FLEXIBLE DISPLAYS

    公开(公告)号:US20190127529A1

    公开(公告)日:2019-05-02

    申请号:US16173090

    申请日:2018-10-29

    Abstract: A polyimide polymer includes one or more aromatic dianhydride monomers and one or more aromatic diamine monomers as recited herein. A method for making a flexible display device includes preparing a polyimide solution including a polyimide polymer dissolved in a solvent, coating a substrate with the polyimide solution, heating the coating to evaporate the solvent and form a polyimide layer, forming a display device layer on the polyimide layer, dicing through the display device layer and through the polyimide polymer layer, and delaminating the layer from the substrate to form the flexible display device. A flexible display device can include a polyimide polymer backing layer and a display device disposed on the polyimide polymer backing layer, the polyimide polymer including one or more aromatic dianhydride monomers and one or more aromatic diamine monomers as recited herein.

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