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    Method of producing alkali metal or alkali-ion batteries having high volumetric and gravimetric energy densities
    61.
    发明授权
    Method of producing alkali metal or alkali-ion batteries having high volumetric and gravimetric energy densities 有权

    公开(公告)号：US10026995B2

    公开(公告)日：2018-07-17

    申请号：US14998514

    申请日：2016-01-15

    Applicant: Nanotek Instruments, Inc.

    Inventor： Aruna Zhamu ,  Bor Z. Jang

    IPC: H01M10/00 ,  H01M10/0585 ,  H01M10/054 ,  H01M10/0525 ,  H01M4/80

    Abstract: A process for producing an alkali metal battery, comprising: (a) preparing multiple conductive porous layers (having at least 80% by volume of pores), multiple wet anode layers of an anode active material mixed with a liquid electrolyte, and multiple wet cathode layers of a cathode active material mixed with a liquid electrolyte; (b) stacking and consolidating a desired number of the porous layers and a desired number of wet anode layers to form an anode electrode; (c) placing a porous separator layer in contact with the anode electrode; (d) preparing a cathode electrode in a similar manner than anode; and (e) assembling all the components in a housing to produce the battery; wherein the anode active material has a material mass loading no less than 20 mg/cm2 in the anode and/or the cathode active material has a material mass loading no less than 30 mg/cm2 in the cathode electrode.

    Hybrid Solid State Electrolyte for Lithium Secondary Battery
    64.
    发明申请
    Hybrid Solid State Electrolyte for Lithium Secondary Battery 审中-公开

    公开(公告)号：US20180166759A1

    公开(公告)日：2018-06-14

    申请号：US15375508

    申请日：2016-12-12

    Applicant: Nanotek Instruments, Inc.

    Inventor： Aruna Zhamu ,  Bor Z. Jang

    IPC: H01M12/06 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/058 ,  H01M12/02

    CPC classification number: H01M12/06 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/058 ,  H01M12/02 ,  H01M2300/0082

    Abstract: Provided is a solid state electrolyte for a rechargeable lithium battery, comprising a lithium ion-conducting polymer matrix or binder and a lithium ion-conducting inorganic species dispersed in or chemically bonded by the polymer matrix or binder, wherein the lithium ion-conducting inorganic species is selected from a mixture of a sodium-conducting species or sodium salt and a lithium-conducting species or lithium salt selected from Li2CO3, Li2O, Li2C2O4, LiOH, LiX, ROCO2Li, HCOLi, ROLi, (ROCO2Li)2, (CH2OCO2Li)2, Li2S, LixSOy, or a combination thereof, wherein X=F, Cl, I, or Br, R=a hydrocarbon group, x=0-1, y=1-4; and wherein the polymer matrix or binder is in an amount from 1% to 99% by volume of the electrolyte composition. Also provided are a process for producing this solid state electrolyte and a lithium secondary battery containing such a solid state electrolyte.

    Process for producing highly oriented humic acid films and highly conducting graphitic films derived therefrom
    65.
    发明授权
    Process for producing highly oriented humic acid films and highly conducting graphitic films derived therefrom 有权

    公开(公告)号：US09988273B2

    公开(公告)日：2018-06-05

    申请号：US15240543

    申请日：2016-08-18

    Applicant: Nanotek Instruments, Inc.

    Inventor： Aruna Zhamu ,  Bor Z Jang

    IPC: C01B32/182 ,  C01B31/04 ,  C09K5/14 ,  H01B1/04 ,  C07D413/14

    CPC classification number: C01B32/20 ,  C01B31/04 ,  C07D413/14 ,  C09K5/14 ,  H01B1/04

    Abstract: A process for producing a highly oriented humic acid (HA) film, comprising: (a) preparing a dispersion of HA or chemically functionalized HA (CHA) sheets dispersed in a liquid medium, wherein HA sheets contain an oxygen content higher than 5% by weight or CHA sheets contain non-carbon element content higher than 5% by weight; (b) dispensing and depositing HA or CHA dispersion onto a surface of a supporting substrate to form a wet layer, under an orientation-inducing stress; (c) removing liquid medium from the wet layer to form a dried HA or CHA layer having hexagonal carbon planes and an inter-planar spacing d002 of 0.4 nm to 1.3 nm as determined by X-ray diffraction; and (d) thermally reducing the dried HA or CHA layer at a first heat treatment temperature higher than 80° C. for a sufficient period of time to produce the film containing reduced HA or CHA.

    PROCESS FOR PRODUCING MONOLITHIC FILM OF INTEGRATED HIGHLY ORIENTED HALOGENATED GRAPHENE SHEETS OR MOLECULES
    69.
    发明申请
    PROCESS FOR PRODUCING MONOLITHIC FILM OF INTEGRATED HIGHLY ORIENTED HALOGENATED GRAPHENE SHEETS OR MOLECULES 审中-公开

    公开(公告)号：US20180016150A1

    公开(公告)日：2018-01-18

    申请号：US15705890

    申请日：2017-09-15

    Applicant: Nanotek Instruments, Inc.

    Inventor： Aruna Zhamu ,  Bor Z. Jang

    IPC: C23C16/06

    CPC classification number: C01B32/194 ,  C23C16/06

    Abstract: A process for producing an integrated layer (10 nm to 500 μm) of highly oriented halogenated graphene sheets, comprising: (a) preparing a graphene oxide (GO) dispersion having GO sheets dispersed in a fluid medium; (b) dispensing and depositing a layer of GO dispersion onto a surface of a supporting substrate under a shear stress condition that induces orientation of GO sheets to form a wet layer of GO on the supporting substrate; (c) introducing a halogenating agent into the wet layer of graphene oxide and effecting a chemical reaction between the halogenating agent and GO sheets to form a wet layer of halogenated graphene, C6ZxOy, wherein Z is a halogen element selected from F, Cl, Br, I, or a combination thereof, x=0.01 to 6.0, y=0 to 5.0, and x+y≦6.0; and (d) removing the fluid medium.

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