Rechargeable battery
AssigneeSamsung SDI Co., Ltd.
InventorTae-Yong Kim
Life of this patent
Estimating the term…
Abstract
A rechargeable battery includes an electrode assembly, a case, a cap assembly, and an arc interrupter. The electrode assembly includes an anode, a cathode, and a separator interposed between the anode and the cathode. The case houses the electrode assembly and has an opening for the electrode assembly, and the cap assembly is coupled to the opening of the case and is electrically connected to the electrode assembly. The arc interrupter includes an interrupting member movably disposed in the cap assembly and a driving member connected to the interrupting member to transfer the interrupting member.
Claims18
A cap assembly of a rechargeable battery comprising:
- a sub plate;
- a vent plate that contacts the sub plate and that separates from the sub plate under a predetermined pressure condition;
- and
- an arc interrupter including an interrupting member that moves into a position between the vent plate and the sub plate when the vent plate separates from the sub plate
- wherein the vent plate includes a protruding portion that contacts the sub plate and that separates from the sub plate under a predetermined pressure condition of the rechargeable battery, and wherein the arc interrupter further includes a driving member connected to the interrupting member to move the interrupting member into a position between the protruding portion of the vent plate and the sub plate when the protruding portion of the vent plate separates from the sub plate;
- and
- wherein the driving member includes a material that changes shape according to temperature such that the driving member transmits a biasing force to the interrupting member when the temperature of the driving member exceeds a predetermined temperature.
A rechargeable battery comprising:
- an electrode assembly;
- a case housing the electrode assembly and having an opening for the electrode assembly;
- and
- a cap assembly including
- a sub plate that is electrically connected to an electrode assembly of the rechargeable battery;
- a vent plate including a protruding portion that contacts the sub plate and that separates from the sub plate under a predetermined pressure condition of the rechargeable battery;
- and
- an arc interrupter including an interrupting member movably disposed in the cap assembly and a driving member connected to the interrupting member to move the interrupting member into a position between the protruding portion of the vent plate and the sub plate when the protruding portion of the vent plate separates from the sub plate.
A rechargeable battery comprising:
- an electrode assembly including an anode, a cathode, and a separator interposed between the anode and the cathode;
- a case housing the electrode assembly and having an opening for the electrode assembly;
- a cap assembly coupled to the opening of the case and electrically connected to the electrode assembly;
- and
- an arc interrupter including an interrupting member movably disposed in the cap assembly and a driving member connected to the interrupting member to transfer the interrupting member.
Dependencies are inferred from the claim text.