TERNARY SALTS ELECTROLYTE FOR A PHOSPHO-OLIVINE POSITIVE ELECTRODE

    公开(公告)号:US20220246987A1

    公开(公告)日:2022-08-04

    申请号:US17158742

    申请日:2021-01-26

    Inventor: Meinan HE Mei CAI

    Abstract: An electrochemical cell according to various aspects of the present disclosure includes a positive electrode, a negative electrode, a separator, and an electrolyte. The positive electrode includes a positive electroactive material. The positive electroactive material includes a phospho-olivine compound. The negative electrode includes lithium metal. The separator is between the positive electrode and the negative electrode. The separator is electrically insulating and ionically conductive. The electrolyte includes a ternary salt and a solvent. The ternary salt includes LiPF6, LiFSI, and LiClO4.

    NICKEL-CONTAINING POSITIVE ELECTRODE SLURRIES HAVING REDUCED OR ELIMINATED GELATION AND HIGH-ENERGY-DENSITY POSITIVE ELECTRODES FOR ELECTROCHEMICAL CELLS

    公开(公告)号:US20220238861A1

    公开(公告)日:2022-07-28

    申请号:US17158737

    申请日:2021-01-26

    Abstract: An electrode precursor or slurry according to various aspects of the present disclosure includes a blended electroactive material and a binder solution. The blended electroactive material includes a first electroactive material and a second electroactive material. The first electroactive material includes nickel. The first electroactive material is selected from the group consisting of LiNixCoyMnzO2 where x is greater than 0.6, LiNixCoyAlzO2 where x is greater than 0.6, LiNixCoyMnzAlαO2 where x is greater than 0.6, or any combination thereof. The second electroactive material includes a phosphor-olivine compound at less than or equal to about 30 weight percent of the blended electroactive material. The binder solution including a polymeric binder and a solvent including N-methyl-2-pyrrolidone. In various aspects, the present disclosure provides a high-nickel-content positive electrode formed from the slurry. In various aspects, the present disclosure provides an electrochemical cell including the positive electrode and a lithium metal negative electrode.

    GELATION REAGENT FOR FORMING GEL ELECTROLYTE AND METHODS RELATING THERETO

    公开(公告)号:US20210194054A1

    公开(公告)日:2021-06-24

    申请号:US16725550

    申请日:2019-12-23

    Abstract: The present technology relates to gel electrolytes for using in lithium-ion electrochemical cells and methods of forming the same. For example, the method may include adding one or more gelation reagents to an electrochemical cell including one or more liquid electrolyte precursors. The one or more gelation reagents include one or more initiators and one or more crosslinking agents. Each of the one or more initiators may be one of a thermal initiator and an actinic/electron beam initiator. Each of the one or more crosslinking agents may be one of a tridentate alkane and a tetradentate alkane having one or more substitutes including a terminal group represented by:

    THERMAL INSULATION COMPONENTS AND METHODS OF MANUFACTURING THERMAL INSULATION COMPONENTS

    公开(公告)号:US20210187903A1

    公开(公告)日:2021-06-24

    申请号:US16725807

    申请日:2019-12-23

    Abstract: A thermal insulation component according to various aspects of the present disclosure includes a matrix, a crosslinking precursor, and a crosslinking initiator. The matrix includes a thermal insulation material having a thermal conductivity of less than or equal to about 5 W/mK. The crosslinking precursor is embedded in the matrix. The crosslinking precursor includes at least one of an acrylate functional group or a methacrylate functional group. The crosslinking initiator is embedded in the matrix. The crosslinking initiator is configured to decompose to initiate crosslinking of the crosslinking precursor. In certain aspects, the present disclosure also provides an electronics assembly including an electronic component and a thermal insulation material in thermal communication with the electronic component. In certain aspects, the present disclosure also provides methods of manufacturing the thermal insulation component.

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