Rechargeable battery and module thereof
AssigneeSamsung SDI Co., Ltd.
InventorsSe-Jong PARK, Yong-Sam KIM, Sung-Kab KIM
Life of this patent
Estimating the term…
Abstract
A rechargeable battery includes an electrode assembly that performs charging and discharging operations, a case that accommodates the electrode assembly therein, a cap plate coupled to the case, an electrode terminal connected to the electrode assembly and mounted in a terminal hole of the cap plate, and an insulation member that coats the case. The insulation member has a protruding portion that protrudes from an external circumference of the cap plate along a surface of the cap plate. The protruding portion has an exhaust groove on at least one side thereof.
Claims17
A rechargeable battery, comprising:
- an electrode assembly that performs charging and discharging operations;
- a case that accommodates the electrode assembly therein;
- a cap plate coupled to the case;
- an electrode terminal connected to the electrode assembly and mounted in a terminal hole of the cap plate;
- and
- an insulation member that coats the case,
- wherein the insulation member has a protruding portion that protrudes from an external circumference of the cap plate along a surface of the cap plate, and
- the protruding portion has an exhaust groove on at least one side thereof.
A rechargeable battery module, comprising:
- at least two unit cells adjacent to each other in a first direction, each unit cell of the at least two unit cells including an electrode terminal in a terminal hole of a cap plate coupled to a case and an insulation member coating the case;
- and
- a bus bar that connects the electrode terminal of one of the two unit cells and the electrode terminal of the other of the two unit cells,
- wherein the insulation member has a protruding portion that protrudes from an outer circumference of the cap plate along a surface thereof, and
- the protruding portion including an exhaust groove at a side thereof in a second direction intersecting the first direction.
Dependencies are inferred from the claim text.