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US 2026/0094944 A1Published application
Secondary battery and method of manufacturing secondary battery
AssigneeSamsung SDI Co., Ltd.
InventorsKyungtae KIM, Sungjoon CHO
Life of this patent
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Abstract
A secondary battery includes a first can having a first screw thread formed on an outer circumferential surface of the first can, an electrode assembly accommodated in the first can, and a second can having a second screw thread corresponding to the first screw thread formed on an inner circumferential surface of the second screw thread. The second screw thread corresponding to the first screw thread such that the second can be screwed to the first can to seal an opening of the first can.
Claims20
A secondary battery comprising:
- a first can having a first screw thread formed on an outer circumferential surface thereof;
- an electrode assembly accommodated in the first can;
- and
- a second can having a second screw thread formed on an inner circumferential surface of the second can, with the second screw thread corresponding to the first screw thread,
- wherein the first can and the second can are screwed together by the first and second screw threads to thereby seal an opening of the first can.
2 more elements
A method for manufacturing a secondary battery, the method comprising:
- coating an insulating material on an outer circumferential surface of a first can;
- coating an insulating material on an inner circumferential surface of a second can;
- forming a first screw thread by cutting the insulating material of the first can and forming a second screw thread by cutting the insulating material of the second can, with the second thread being formed to correspond to the first screw thread;
- inserting an electrode assembly into the first can;
- and
- rotating the first can to screw the first can to the second can while the first screw thread and the second screw thread are engaged to each other.
3 more elements
Dependencies are inferred from the claim text.