公开(公告)号：US20230020115A1

公开(公告)日：2023-01-19

申请号：US17953223

申请日：2022-09-26

Applicant: NINGDE AMPEREX TECHNOLOGY LIMITED

Inventor： Junhui HOU

IPC: H01M50/536 ,  H01M50/533 ,  H01M4/70 ,  H01M50/172

Abstract: An electrochemical apparatus includes a first electrode plate and a first tab. The first electrode plate includes a current collector and an active material layer disposed on the current collector. The current collector includes a first surface, a first side and a second side opposite to the first side; the first surface is provided with a first blank region and the first tab is electrically connected to the first blank region and protrudes from the first side. A first tab adhesive is provided on the first tab, where the first tab adhesive includes a first adhesive layer, and the first adhesive layer includes a third side facing toward the second side. A minimum distance D1 mm between the third side and the second side and a distance W mm between the first side and the second side satisfy D1

公开(公告)号：US20230023216A1

公开(公告)日：2023-01-26

申请号：US17958119

申请日：2022-09-30

Applicant: NINGDE AMPEREX TECHNOLOGY LIMITED

Inventor： Xuecheng LI ,  Junhui HOU

IPC: H01M50/198 ,  H01M50/105 ,  H01M10/058 ,  H01M50/533

Abstract: A battery cell includes an electrode assembly and a packaging bag for accommodating the electrode assembly, where the battery cell further includes a first adhesive layer and a second adhesive layer, and the first adhesive layer is adhered to a side of the electrode assembly; and the second adhesive layer is disposed on an outermost surface of the electrode assembly to bond the packaging bag and the electrode assembly, and the first adhesive layer is disposed between the electrode assembly and the second adhesive layer. A battery is further provided, including a housing and the foregoing battery cell, where the battery cell is accommodated in the housing.

公开(公告)号：US20230017239A1

公开(公告)日：2023-01-19

申请号：US17956687

申请日：2022-09-29

Applicant: NINGDE AMPEREX TECHNOLOGY LIMITED

Inventor： Xuecheng LI ,  Junhui HOU

IPC: H01M50/105 ,  H01M50/584 ,  H01M50/14

Abstract: A battery cell includes an electrode assembly and a packaging bag for accommodating the electrode assembly and a first adhesive layer and a second adhesive layer. One end of the first adhesive layer and one end of the second adhesive layer are both adhered to the first surface of the electrode assembly, and the other end of the first adhesive layer and the other end of the second adhesive layer both extend to the bottom of the electrode assembly and are adhered to a second surface opposite the first surface, a surface on which a terminating end of the electrode assembly is defined as the first surface; and a third adhesive layer, one end of the third adhesive layer is adhered to the first adhesive layer, and the other end of the third adhesive layer is adhered to the second adhesive layer.