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    ELECTRODE ASSEMBLY, SECONDARY BATTERY, AND METHOD OF MANUFACTURE
    11.
    发明申请
    ELECTRODE ASSEMBLY, SECONDARY BATTERY, AND METHOD OF MANUFACTURE 有权

    公开(公告)号：US20220069421A1

    公开(公告)日：2022-03-03

    申请号：US17525397

    申请日：2021-11-12

    Applicant: Enovix Corporation

    Inventor： Jeremie J. DALTON ,  Robert S. BUSACCA ,  Ashok LAHIRI ,  RAMASUBRAMANIAN RAMASUBRAMANIAN ,  Bruno A. VALDES ,  Kim Han LEE ,  Anthony CALCATERRA ,  Benjamin L. CARDOZO

    IPC: H01M50/474

    Abstract: Secondary batteries and methods of manufacture thereof are provided. A secondary battery can comprise an electrode layer comprising a population of spacer structures comprising a material other than the electrode active material, wherein (a) the spacer population occupies a total volume within the electrode layer within the range of about 0.1% to about 35% of the volume, VE, of the electrode layer, and (b) a member of the spacer population is located within each subvolume of the electrode layer comprising (i) at least 25% of the volume, VE, of the electrode layer, and (ii) bounded on all sides by (aa) the unit cell portion of the electrode current collector, (bb) the separator layer, (cc) the top surface of the electrode layer, (dd) the bottom surface of the electrode layer, (ee) the first end surface of the electrode layer, and (ff) the second end surface of the electrode layer.

    ELECTRODE ASSEMBLY STRUCTURE, SECONDARY BATTERY, AND METHODS OF MANUFACTURE
    14.
    发明公开
    ELECTRODE ASSEMBLY STRUCTURE, SECONDARY BATTERY, AND METHODS OF MANUFACTURE 审中-公开

    公开(公告)号：US20230395935A1

    公开(公告)日：2023-12-07

    申请号：US18235180

    申请日：2023-08-17

    Applicant: Enovix Corporation

    Inventor： William H. CHANDLER, JR. ,  Robert S. BUSACCA ,  Bruno A. VALDES ,  Kim Han LEE ,  Anthony CALCATERRA ,  Miles A. M. KOOL ,  Robert KINCHEN

    IPC: H01M50/403 ,  H01M50/289 ,  H01M50/204

    CPC classification number: H01M50/403 ,  H01M50/289 ,  H01M50/204

    Abstract: A method for manufacturing a structure comprising and electrode assembly having a porous electrically insulating material, and first and second endplates, is provided. The electrode assembly comprises a population of unit cells stacked in series in a stacking direction, opposing first and second longitudinal end surfaces separated along the stacking direction. First and second endplates are separated in the stacking direction and overlie the first and second longitudinal end surfaces. According to embodiments of the structure, (i) each unit cell comprises an electrode structure, a counter-electrode structure, and an electrically insulating separator between the electrode and counter-electrode structures, (ii) the electrode structures, counter-electrode structures and electrically insulating separators within each unit cell have opposing first and second vertical end surfaces separated in a vertical direction, and (iii) the vertical direction is orthogonal to the stacking direction. The method comprises providing a porous electrically insulating material to the electrode assembly using a stencil.

    SPACERS FOR PROVIDING PROTECTION OF ELECTROCHEMICAL BATTERY ENCLOSURES AND SYSTEMS AND METHODS THEREFOR
    16.
    发明申请
    SPACERS FOR PROVIDING PROTECTION OF ELECTROCHEMICAL BATTERY ENCLOSURES AND SYSTEMS AND METHODS THEREFOR 有权

    公开(公告)号：US20220399612A1

    公开(公告)日：2022-12-15

    申请号：US17838733

    申请日：2022-06-13

    Applicant: Enovix Corporation

    Inventor： Robert S. BUSACCA ,  Aditya MANDALAM ,  Jeffrey Glenn BUCK ,  Anthony CALCATERRA ,  Kim Han LEE ,  Prajanya Sunil KENDREKAR

    IPC: H01M50/403 ,  H01M50/449 ,  H01M50/569

    Abstract: A secondary battery includes an electrode assembly disposed within a constraint. The electrode assembly comprises a population of unit cells comprising an electrode current collector layer, an electrode layer, a separator layer, a counter-electrode layer, and a counter-electrode current collector layer in stacked succession. A subset of the unit cell population includes extended spacer members between the electrode current collector layer and the counter-electrode current collector layer. One of the spacer members is spaced in a transverse direction from the other extended spacer member, at least a portion of the counter-electrode active material of the counter-electrode layer being located between the spacer members such that the portion of the counter-electrode active material and the spacer members lie in a common plane defined by x and z axes, wherein each of the extended spacer members extend a distance SD in the x-axis direction beyond an x-axis edge of the constraint.

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