公开(公告)号：US20240297310A1

公开(公告)日：2024-09-05

申请号：US18549609

申请日：2022-03-07

申请人： U&S ENERGY, INC.

发明人： Kyung Joon KIM ,  Seung Ho CHOI ,  Young Hun JIN

IPC分类号： H01M4/66 ,  H01M50/583 ,  H01M50/586

CPC分类号： H01M4/667 ,  H01M4/661 ,  H01M50/583 ,  H01M50/586 ,  H01M2200/103

摘要： A current collector for an electrode according to an embodiment of the present invention may include a base film, and a conductive material provided on at least one of upper and lower surfaces of the base film, in which the conductive material is divided into two or more parts in a length or width direction of the base film.

公开(公告)号：US20230402616A1

公开(公告)日：2023-12-14

申请号：US17641999

申请日：2020-09-07

申请人： U&S ENERGY, INC.

发明人： Kyung Joon KIM ,  Seung Ho CHOI ,  Young Hun JIN

IPC分类号： H01M4/66 ,  H01M50/566

CPC分类号： H01M4/667 ,  H01M4/661 ,  H01M4/668 ,  H01M50/566

摘要： A current collector for a positive electrode according to the present invention may include a base film, a conductive material provided on at least one of upper and lower surfaces of the base film, a metal piece provided on the upper or lower surface of the base film and electrically connected to the conductive material, and a lead tab joined to any one of the metal piece, the conductive material, and the base film and electrically connected to the conductive material, in which the conductive material is positioned between the metal piece and the base film or between the lead tab and the base film, and in which the lead tab is welded to one of the metal pieces provided on the upper and lower surfaces of the base film or welded to the metal piece provided on one surface of the base film that faces the lead tab.

公开(公告)号：US20210273231A1

公开(公告)日：2021-09-02

申请号：US17258571

申请日：2019-07-18

申请人： U & S ENERGY, INC.

发明人： Kyung Joon KIM

IPC分类号： H01M4/66 ,  H01M50/536

摘要： The current collector for electrodes according to an embodiment of the present invention includes a polymer film; at least one metal element provided on at least one surface of the polymer film; a conductive material provided on surfaces of the polymer film and the metal element; and a lead tab which is bonded or connected to the metal element.

公开(公告)号：US20230027109A1

公开(公告)日：2023-01-26

申请号：US17783343

申请日：2020-11-17

申请人： U&S ENERGY, INC.

发明人： Kyung Joon KIM ,  Seung Ho CHOI ,  Young Hun JIN

IPC分类号： H01M4/66 ,  H01M10/42 ,  H01M10/052 ,  H01M50/581

摘要： Proposed is a current collector for a positive electrode that substitutes for metal foil and includes a polymer film made of a nonmetal, nonconductor material, and an aluminum conductive material configured to define an outermost surface of the current collector for a positive electrode by being formed or applied, with a thickness of 0.25 to 0.6 μm, onto at least one of upper and lower surfaces of the polymer film, in which the conductive material serves as an electrochemical fuse or performs a function of blocking or reducing short-circuit current in the event of an internal short circuit or an external short circuit.

公开(公告)号：US20220093930A1

公开(公告)日：2022-03-24

申请号：US17424689

申请日：2020-01-29

申请人： U&S ENERGY, INC.

发明人： Kyung Joon KIM ,  Seung Ho CHOI

IPC分类号： H01M4/66 ,  H01M50/531 ,  H01M50/581

摘要： A current collector for electrodes according to an embodiment of the present disclosure may include a polymer film, and a conductive material provided on at least one surface of upper and lower surfaces of the polymer film, wherein the conductive material may have a function of an electrochemical fuse or a function of blocking a short-circuit current.

公开(公告)号：US12095097B2

公开(公告)日：2024-09-17

申请号：US17424806

申请日：2020-02-10

申请人： U&S ENERGY, INC.

发明人： Kyung Joon Kim ,  Seung Ho Choi

IPC分类号： H01M4/66 ,  H01M4/04 ,  H01M10/0587 ,  H01M50/533 ,  H01M50/536 ,  H01M50/538

CPC分类号： H01M4/667 ,  H01M4/0404 ,  H01M4/661 ,  H01M10/0587 ,  H01M50/533 ,  H01M50/536 ,  H01M50/538

摘要： A current collector for electrodes according to the present disclosure may include: a polymer film; a metal piece provided on at least one of upper and lower surfaces of the polymer film or one side of at least one of edges of the polymer film; an adhesive portion provided on surfaces of the polymer film and the metal piece to cover a boundary portion of the polymer film and the metal piece; and a conductive material formed on the surfaces of the polymer film, the metal piece, and the adhesive portion.

公开(公告)号：US20230170492A1

公开(公告)日：2023-06-01

申请号：US17919161

申请日：2021-11-05

申请人： U&S ENERGY, INC.

发明人： Kyung Joon KIM ,  Seung Ho CHOI ,  Young Hun JIN

IPC分类号： H01M4/66 ,  H01M10/42

CPC分类号： H01M4/668 ,  H01M10/4235

摘要： According to an embodiment of the present invention, a current collector for an electrode comprises a polymer film, and a conductive material provided on at least one surface of an upper surface or a lower surface of the polymer film, wherein the conductive material may include a relatively small thickness portion and a relatively large thickness portion.

公开(公告)号：US11777102B2

公开(公告)日：2023-10-03

申请号：US17424689

申请日：2020-01-29

申请人： U&S ENERGY, INC.

发明人： Kyung Joon Kim ,  Seung Ho Choi

IPC分类号： H01M4/66 ,  H01M50/531 ,  H01M50/581

CPC分类号： H01M4/661 ,  H01M50/531 ,  H01M50/581 ,  H01M2200/103

摘要： A current collector for electrodes according to an embodiment of the present disclosure may include a polymer film, and a conductive material provided on at least one surface of upper and lower surfaces of the polymer film, wherein the conductive material may have a function of an electrochemical fuse or a function of blocking a short-circuit current.

公开(公告)号：US20220085382A1

公开(公告)日：2022-03-17

申请号：US17424806

申请日：2020-02-10

申请人： U&S ENERGY, INC.

发明人： Kyung Joon KIM ,  Seung Ho CHOI

IPC分类号： H01M4/66 ,  H01M4/04 ,  H01M50/533 ,  H01M10/0587 ,  H01M50/536

摘要： A current collector for electrodes according to the present disclosure may include: a polymer film; a metal piece provided on at least one of upper and lower surfaces of the polymer film or one side of at least one of edges of the polymer film; an adhesive portion provided on surfaces of the polymer film and the metal piece to cover a boundary portion of the polymer film and the metal piece; and a conductive material formed on the surfaces of the polymer film, the metal piece, and the adhesive portion.