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US 2026/0074403 A1Published application
Secondary battery with shortened electrolyte impregnation path and manufacturing method thereof
AssigneeSamsung SDI Co., Ltd.
InventorJaeil Seong
Life of this patent
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Abstract
A secondary battery, including an electrode assembly including a plurality of electrode plates, a battery can accommodating the electrode assembly, the battery can having a first surface corresponding to a side portion of the electrode assembly and a second surface corresponding to a surface of one of the plurality of electrode plates of the electrode assembly, and at least one injection hole in the second surface of the battery can.
Claims20
A secondary battery, comprising:
- an electrode assembly comprising a plurality of electrode plates;
- a battery can accommodating the electrode assembly, the battery can having a first surface corresponding to a side portion of the electrode assembly and a second surface corresponding to a surface of one of the plurality of electrode plates of the electrode assembly;
- and
- at least one injection hole in the second surface of the battery can.
1 more element
A method of manufacturing a secondary battery, the method comprising:
- providing an electrode assembly comprising a plurality of electrode plates;
- providing a battery can having a first surface corresponding to a side portion of the electrode assembly and a second surface corresponding to a surface of the electrode plate of the electrode assembly and having at least one injection hole formed in the second surface;
- assembling the electrode assembly with the battery can and injecting an electrolyte through the injection hole;
- and
- sealing the injection hole using an injection hole sealing member.
2 more elements
A secondary battery injection hole sealing member, comprising:
- a first adhesive part adhered to a battery can in an area comprising an injection hole for electrolyte injection in the battery can;
- a first welding part welded to the battery can in an area surrounding the first adhesive part;
- and
- a second adhesive part adhered to the battery can in an area surrounding the first welding part.
1 more element
Dependencies are inferred from the claim text.