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US 9,318,736 B2Granted
Secondary battery
AssigneeSamsung SDI Co., Ltd.
InventorMin-Hyung Guen
Life of this patent
Estimating the term…
Abstract
A secondary battery includes an electrode assembly; a cap plate and a case accommodating the electrode assembly; an electrode terminal protruding above the cap plate; a current collecting member that electrically connects the electrode assembly to the electrode terminal; and a fuse unit on the current collecting member and configured to block a current beyond a preset blocking point, wherein the fuse unit includes a fracture unit surrounding a through hole in the current collecting member; and a blocking point control unit formed as a notch on the fracture unit.
Claims18
A secondary battery comprising:
- an electrode assembly;
- a cap plate and a case accommodating the electrode assembly;
- an electrode terminal protruding above the cap plate;
- a current collecting member that electrically connects the electrode assembly to the electrode terminal;
- and
- a fuse unit on the current collecting member and configured to block a current beyond a preset blocking point, wherein the fuse unit comprises:
- a fracture unit surrounding a through hole in the current collecting member;
- and
- a blocking point control unit formed as a plurality of notches on the fracture unit, wherein the blocking point control unit is on an inner surface of the fracture unit defining the through hole.
6 more elements
A secondary battery comprising:
- an electrode assembly;
- a cap plate and a case accommodating the electrode assembly;
- an electrode terminal protruding above the cap plate;
- a current collecting member that electrically connects the electrode assembly to the electrode terminal;
- and
- a fuse unit that is formed on the current collecting member to block a current beyond a preset blocking point, wherein the fuse unit comprises:
- a fracture unit surrounding a through hole in the current collecting member;
- and
- a blocking point control unit formed as an opening on the fracture unit, wherein the blocking point control unit is spaced from the through hole and from each perimeter edge of the current collecting member.
6 more elements
Dependencies are inferred from the claim text.