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US 2026/0302572 A1Published application
Secondary battery and manufacturing method thereof
AssigneeSamsung SDI Co., Ltd.
InventorsSoyun KIM, Byunghuy CHO, Junho BYEON
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Abstract
A secondary battery includes: an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode; a case accommodating the electrode assembly, and having an electrolyte injection hole penetrating one side of the case for injecting an electrolyte therein; and a sealing plate on the one side of the case to seal the electrolyte injection hole. The case and the sealing plate include a same metallic material as each other.
Claims20
A secondary battery comprising:
- an electrode assembly comprising a first electrode, a second electrode, and a separator between the first electrode and the second electrode;
- a case accommodating the electrode assembly, and having an electrolyte injection hole penetrating one side of the case for injecting an electrolyte therein;
- and
- a sealing plate on the one side of the case to seal the electrolyte injection hole,
- wherein the case and the sealing plate comprise a same metallic material as each other.
2 more elements
A method of manufacturing a secondary battery, comprising:
- preparing an electrode assembly comprising a first electrode, a second electrode, and a separator disposed between the first electrode and the second electrode;
- preparing a case having an electrolyte injection hole formed on one side of the case;
- inserting the electrode assembly through an open side of a body of the case;
- coupling a cover of the case to the open side of the body;
- injecting an electrolyte into the case through the electrolyte injection hole;
- and
- sealing the electrolyte injection hole by disposing a sealing plate on the one side of the case,
- wherein the case and the sealing plate comprise a same metallic material as each other.
5 more elements
Dependencies are inferred from the claim text.