Secondary battery
    52.
    发明授权

    公开(公告)号:US12191529B2

    公开(公告)日:2025-01-07

    申请号:US17712967

    申请日:2022-04-04

    Abstract: A secondary battery includes a power generation element including a plurality of electrodes. The electrodes are stacked on each other in a stacking direction with a separator interposed therebetween. Each of the electrodes includes a current collector led out in a first direction intersecting the stacking direction. Each of a plurality of current collectors led out in the first direction includes an end part, and the end part includes a first bent part that is bent in a second direction intersecting the first direction. Each of a plurality of first bent parts overlaps and is in contact with an adjacent first bent part in the second direction. At least one of the first bent parts terminates at a middle point on an end face along the second direction of the power generation element.

    Method for producing a power storage device

    公开(公告)号:US12191438B2

    公开(公告)日:2025-01-07

    申请号:US18063688

    申请日:2022-12-09

    Inventor: Tomonori Maeda

    Abstract: A method for producing a power storage device includes: compressively deforming in which case long-side walls of the power storage device after initial charging and aging but before permanent sealing are pressed toward an electrode body to compress the electrode body and further plastically deform at least one of the case long-side walls so that the case long-side walls continue to press the electrode body even after the pressing is released; after this compressively deforming, hermetically permanently sealing the case of the power storage device in which the inside of the case is in communication with the outside; and releasing the pressing applied in the compressively deforming.

    Tape removal apparatus
    55.
    发明授权

    公开(公告)号:US12187563B2

    公开(公告)日:2025-01-07

    申请号:US17917819

    申请日:2021-07-06

    Abstract: A tape removal apparatus is configured for automatically removing a tape attached to an electrode roll in order to fix the electrode roll. The tape removal apparatus includes a sensing unit configured to sense the tape attached to the electrode roll, an injection unit configured to inject air toward the tape, a support unit configured to support a non-adhesive portion of the tape, and a gripper configured to fix the non-adhesive portion of the tape together with the support unit.

    POST-FABRICATION CURING OF SUPPORT SYSTEM FOR BATTERIES, FABRICATION TECHNIQUES AND APPLICATIONS FOR THE SAME

    公开(公告)号:US20250006974A1

    公开(公告)日:2025-01-02

    申请号:US18216384

    申请日:2023-06-29

    Applicant: Lyten, Inc.

    Abstract: Methods of fabricating electrochemical cells employing polymeric support systems rather than metal-based materials as a protective mechanism against mechanical and electrical damage include assembling components of the electrochemical cell. In addition to an anode, a cathode, and a porous separator, the components include a continuous network of precursors of a polymer support system. The continuous network is arranged in continuous pathway(s) extending throughout the interior of the electrochemical cell. Batteries may be provided with the continuous network of precursors in place, i.e., uncured, and curing may be performed post-fabrication and/or sale. Alternatively, curing may be performed during fabrication (or prior to sale), resulting in a continuous network of polymeric pathways extending throughout the volume of the cell and providing mechanical strength, e.g., by penetrating and physically coupling the various components of the cell. Curing may be performed using various mechanisms, including thermal, kinetic, chemical, and optical.

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