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US 12,113,235 B2Granted
Cylindrical battery and method for manufacturing the same
AssigneeLG Energy Solution, Ltd.
InventorHan A Noh
Life of this patent
Estimating the term…
Abstract
A cylindrical battery includes a metal can, an electrode assembly mounted in the metal can, and a cap assembly located at an upper end of the metal can, the cap assembly including a top cap, a safety vent, and a current shut-off member. A hole mark is formed on the safety vent.
Claims18
A cylindrical battery, comprising:
- a metal can;
- an electrode assembly mounted in the metal can;
- and
- a cap assembly located at an upper end of the metal can, the cap assembly including:
- a top cap;
- a safety vent;
- and
- a current shut-off member,
- wherein a hole mark is formed on the safety vent,
- wherein a notch is formed at the hole mark, and
- wherein the hole mark is a dye that is applied to the notch.
8 more elements
A cylindrical battery, comprising:
- a metal can;
- an electrode assembly mounted in the metal can;
- and
- a cap assembly located at an upper end of the metal can, the cap assembly including:
- a top cap;
- a safety vent;
- and
- a current shut-off member,
- wherein a hole mark is formed on the safety vent,
- wherein the top cap comprises an exhaust hole, and
- wherein the hole mark is applied with a dye that is visible by naked eyes through the exhaust hole.
8 more elements
A cylindrical battery, comprising:
- a metal can;
- an electrode assembly mounted in the metal can;
- and
- a cap assembly located at an upper end of the metal can, the cap assembly including:
- a top cap having two or more exhaust holes;
- a safety vent;
- and
- a current shut-off member,
- wherein a hole mark is formed on the safety vent,
- wherein a notch is formed at the hole mark,
- wherein the top cap comprises two or more exhaust holes, and
- wherein the hole mark is provided as two or more hole marks corresponding to the exhaust holes.
9 more elements
Dependencies are inferred from the claim text.