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    Stacked battery components and configurations
    3.
    发明授权
    Stacked battery components and configurations 有权

    公开(公告)号：US11043703B1

    公开(公告)日：2021-06-22

    申请号：US16108522

    申请日：2018-08-22

    申请人： Apple Inc.

    发明人： Qingcheng Zeng ,  Donald G. Dafoe

    IPC分类号： H01M10/42 ,  H01M10/04 ,  H01M10/44

    摘要： Batteries according to embodiments of the present technology may include a first battery cell including a first body characterized by a first length and a first width, and a first tab extending from an edge of the first body. The first tab may be characterized by a width less than the first width of the first body. The batteries may also include a second battery cell stacked below the first battery cell. The second battery cell may include a second body characterized by a second length and a second width, and a second tab extending from an edge of the second body. The second tab may be characterized by a width less than the second width of the second body. The second tab may also be characterized by a width greater than the width of the first tab providing an extension of the second tab protruding from below the first tab.

    Current collector structures for rechargeable battery
    4.
    发明授权
    Current collector structures for rechargeable battery 有权

    公开(公告)号：US10923728B1

    公开(公告)日：2021-02-16

    申请号：US16007534

    申请日：2018-06-13

    申请人： Apple Inc.

    发明人： Qingcheng Zeng

    IPC分类号： H01M4/66 ,  H01M4/75

    摘要： Energy storage devices, battery cells, and batteries of the present technology include a current collector including a polymer film coupled with a plurality of wires of a metal-containing material. The current collector may include a first region and a second region. The first region may be characterized by an extension of the metal-containing material. The polymer film may be contained within the second region of the current collector. Additionally, the plurality of wires may extend from the extension of the metal-containing material along the polymer film.

    Stacked battery components and configurations
    5.
    发明授权
    Stacked battery components and configurations 有权

    公开(公告)号：US11699815B1

    公开(公告)日：2023-07-11

    申请号：US17353059

    申请日：2021-06-21

    申请人： Apple Inc.

    发明人： Qingcheng Zeng ,  Donald G. Dafoe

    IPC分类号： H01M10/42 ,  H01M10/04 ,  H01M10/44

    CPC分类号： H01M10/4207 ,  H01M10/0413 ,  H01M10/4257 ,  H01M10/441 ,  H01M2010/4271

    摘要： Batteries according to embodiments of the present technology may include a first battery cell including a first body characterized by a first length and a first width, and a first tab extending from an edge of the first body. The first tab may be characterized by a width less than the first width of the first body. The batteries may also include a second battery cell stacked below the first battery cell. The second battery cell may include a second body characterized by a second length and a second width, and a second tab extending from an edge of the second body. The second tab may be characterized by a width less than the second width of the second body. The second tab may also be characterized by a width greater than the width of the first tab providing an extension of the second tab protruding from below the first tab.

    Metallized current collector devices and materials
    6.
    发明授权
    Metallized current collector devices and materials 有权

    公开(公告)号：US10916741B1

    公开(公告)日：2021-02-09

    申请号：US16049250

    申请日：2018-07-30

    申请人： Apple Inc.

    发明人： Donald G. Dafoe ,  Andrew C. Chu ,  Christopher T. Campbell ,  Tobias Zeilinger ,  Kenzo Nagai ,  Qingcheng Zeng

    IPC分类号： H01M2/08 ,  H01M4/64 ,  H01M2/32 ,  H01M2/02

    摘要： Energy storage devices, battery cells, and batteries of the present technology may include a first current collector and a second current collector. At least one of the first current collector and the second current collector may be a non-metal current collector. The battery cell may include a seal between an edge region of the first current collector and an edge region of the second current collector. The seal may contact a first surface of the first current collector and a first surface of the second current collector. The battery cell may also include a metal material coupled with the non-metal current collector on a second surface of the non-metal current collector opposite the first surface.

    Battery cell interconnect and methods of manufacture thereof
    7.
    发明授权
    Battery cell interconnect and methods of manufacture thereof 有权

    公开(公告)号：US10686178B1

    公开(公告)日：2020-06-16

    申请号：US15702660

    申请日：2017-09-12

    申请人： Apple Inc.

    发明人： Jonathan L. Hall ,  Luke A. Wilhelm ,  Qingcheng Zeng ,  Mujeeb Ijaz ,  Donald G. Dafoe

    IPC分类号： H01M2/20 ,  H01M10/647 ,  H01M10/625 ,  H01M10/6554 ,  H01M2/10 ,  H01M2/02

    摘要： A battery cell includes a cathode casing forming all or a majority of the external can of the battery cell. The battery further includes an anode tab covering at least a portion of a face of the battery cell and an insulating layer for electrically isolating the anode tab from the cathode casing. A plurality of such battery cells may be arranged within a battery pack in contact with each other, and may be held in compression. A conduction enhancement layer may be applied between the anode tab of a first cell and the cathode casing of a second cell within the battery pack. One or more heat dissipation elements may be arranged within the battery pack, in contact with the battery cells.

    Battery housings for accommodating swelling of electrode assemblies
    8.
    发明授权
    Battery housings for accommodating swelling of electrode assemblies 有权

    公开(公告)号：US10658632B1

    公开(公告)日：2020-05-19

    申请号：US16117096

    申请日：2018-08-30

    申请人： Apple Inc.

    发明人： Qingcheng Zeng ,  Donald G. Dafoe ,  Kenzo Nagai

    IPC分类号： H01M4/02 ,  H01M2/04 ,  H01M2/08

    摘要： Battery housings and batteries are presented for accommodating swelling of an electrode assembly. In one aspect, a battery includes an electrode assembly that includes a cathode and an anode. The battery also includes a receptacle that includes at least one feedthrough disposed through one or more sides of the receptacle. A lid is sealed to the receptacle. The receptacle, the at least one feedthrough, and the lid form a sealed volume in which the electrode assembly and an electrolyte are disposed. The lid is configured to displace from a first position to a second position in response to a swelling of the electrode assembly within the sealed volume. The receptacle is configured to strain less than the lid during the swelling of the electrode assembly. The second position of the lid may correspond to an expanded volume of the electrode assembly that is 15% greater than an initial volume.

    Bi-metal battery tab
    10.
    发明授权
    Bi-metal battery tab 有权

    公开(公告)号：US10396339B1

    公开(公告)日：2019-08-27

    申请号：US15093675

    申请日：2016-04-07

    申请人： Apple Inc.

    发明人： Qingcheng Zeng ,  Donald G. Dafoe ,  Andrew Chu ,  Ashley S. Harvey ,  Junwei Jiang

    IPC分类号： H01M2/30 ,  H01M2/26

    摘要： A bi-metal tab includes an internal tab segment that can be coupled to a battery cell terminal within an interior of the cell and an external tab segment that can be coupled to an element external to the cell. One tab segment includes a pin tab segment that comprises a pin, and another tab segment includes a socket tab segment comprised of a separate metal material, that comprises a socket. The socket can be at least partially enclosed, on at least two opposing sides, by the structure of the socket tab segment, and the socket and pin of the separate segments can be configured to couple, to form the tab, where at least two surfaces of the pin are in flush contact with the socket tab segment structure. A protection layer that restricts electronic transport across the tab based on exposure to particular physical conditions can be included between the tab segments.