Battery cell and battery, apparatus, preparation method and preparation apparatus related to same
AssigneeContemporary Amperex Technology Co., Limited
InventorsBinjie TANG, Yongqiang ZHANG, Xiaoming GE, Wenzhu XU
Life of this patent
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Abstract
A battery cell includes a case having an opening and an end cover configured to cover the opening. The end cover comprises an end cover body and a support body. The end cover body is configured to be welded and fixed to the case. The support body is disposed on a bottom surface of the end cover body and is disposed along an edge of the end cover body in a circumferential direction. The support body is configured to abut against an inner side surface of the case.
Claims17
A battery cell, comprising:
- a case having an opening;
- and
- an end cover configured to cover the opening;
- wherein the end cover comprises an end cover body and a support body, the end cover body is configured to be welded and fixed to the case, the support body is disposed on a bottom surface of the end cover body and is disposed along an edge of the end cover body in a circumferential direction, and the support body is configured to abut against an inner side surface of the case.
A preparation method for a battery cell, comprising:
- providing a case having an opening;
- and
- providing an end cover configured to cover the opening;
- wherein the end cover comprises an end cover body and a support body, the end cover body is configured to be welded and fixed to the case, the support body is disposed on a bottom surface of the end cover body and is disposed along an edge of the end cover body in a circumferential direction, and the support body is configured to abut against an inner side surface of the case.
A preparation apparatus for a battery cell, comprising:
- a case preparation apparatus configured to prepare a case, the case having an opening;
- and
- an end cover preparation apparatus configured to prepare an end cover, the end cover being configured to cover the opening;
- wherein the end cover comprises an end cover body and a support body, the end cover body is configured to be welded and fixed to the case, the support body is disposed on a bottom surface of the end cover body and is disposed along an edge of the end cover body in a circumferential direction, and the support body is configured to abut against an inner side surface of the case.
Dependencies are inferred from the claim text.