Rechargeable battery having a plate terminal and a bolt terminal
First Claim
Patent Images
1. A rechargeable battery, comprising:
- an electrode assembly;
a case including a cavity, the electrode assembly being in the cavity;
a cap plate coupled with an opening of the case; and
an electrode terminal extending through a terminal hole of the cap plate, the electrode terminal being electrically insulated from the cap plate and electrically connected to the electrode assembly, wherein the electrode terminal includesa plate terminal on an external surface of the cap plate and including a screw portion, anda bolt terminal including a first bolt extending at least partially in and being screwed to the screw portion of the plate terminal, the bolt terminal further including a second bolt connected to the first bolt and protruding outside the plate terminal and outside the rechargeable battery, a diameter of the second bolt being less than a diameter of the first bolt, wherein the plate terminal includes a raised spot that is deformed when the first bolt is coupled with the screw portion, the raised spot extending above the first bolt, and wherein the raised spot includes a rivet to further fasten the first bolt and the plate terminal.
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Abstract
A rechargeable battery including an electrode assembly; a case including a cavity, the electrode assembly being in the cavity; a cap plate coupled with an opening of the case; and an electrode terminal extending through a terminal hole of the cap plate, the electrode terminal being electrically insulated from the cap plate and electrically connected to the electrode assembly, wherein the electrode terminal includes a plate terminal disposed on an external surface of the cap plate, and a bolt terminal extending at least partially in and being secured to the plate terminal.
10 Citations
13 Claims
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1. A rechargeable battery, comprising:
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an electrode assembly; a case including a cavity, the electrode assembly being in the cavity; a cap plate coupled with an opening of the case; and an electrode terminal extending through a terminal hole of the cap plate, the electrode terminal being electrically insulated from the cap plate and electrically connected to the electrode assembly, wherein the electrode terminal includes a plate terminal on an external surface of the cap plate and including a screw portion, and a bolt terminal including a first bolt extending at least partially in and being screwed to the screw portion of the plate terminal, the bolt terminal further including a second bolt connected to the first bolt and protruding outside the plate terminal and outside the rechargeable battery, a diameter of the second bolt being less than a diameter of the first bolt, wherein the plate terminal includes a raised spot that is deformed when the first bolt is coupled with the screw portion, the raised spot extending above the first bolt, and wherein the raised spot includes a rivet to further fasten the first bolt and the plate terminal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A rechargeable battery, comprising:
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a case; an electrode assembly in the case; a cap plate coupled with the case; and an electrode terminal extending through a terminal hole of the cap plate, the electrode terminal being electrically insulated from the cap plate and electrically connected to the electrode assembly, the electrode terminal including; a plate terminal on an external surface of the cap plate and including a screw portion, and a bolt terminal including a first bolt extending at least partially in and being screwed to the screw portion of the plate terminal, the bolt terminal further including a second bolt connected to the first bolt and protruding outside the plate terminal and outside the rechargeable battery, a diameter of the second bolt being less than a diameter of the first bolt, the plate terminal including a raised spot that is deformed when the first bolt is coupled with the screw portion, the raised spot extending above the first bolt, and the raised spot further including a bus bar receiving groove below an external surface of the plate terminal.
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13. A rechargeable battery, comprising:
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an electrode assembly; a case including a cavity, the electrode assembly being in the cavity; a cap plate coupled with an opening of the case; and an electrode terminal extending through a terminal hole of the cap plate, the electrode terminal being electrically insulated from the cap plate and electrically connected to the electrode assembly, wherein the electrode terminal includes a plate terminal on an external surface of the cap plate and including a screw portion, and a bolt terminal including a first bolt extending at least partially in and being screwed to the screw portion of the plate terminal, the bolt terminal further including a second bolt connected to the first bolt and protruding outside the plate terminal and outside the rechargeable battery, a diameter of the second bolt being less than a diameter of the first bolt, wherein the plate terminal includes a raised spot that is deformed when the first bolt is coupled with the screw portion, the raised spot extending above the first bolt.
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Specification
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Current AssigneeRobert Bosch GmbH, Samsung SDI Company Limited
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Original AssigneeRobert Bosch GmbH, Samsung SDI Company Limited
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InventorsKim, Duk-Jung
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Primary Examiner(s)DOUYETTE, KENNETH J
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Application NumberUS13/565,063Publication NumberTime in Patent Office1,160 DaysField of Search429/179, 429/161, 429/180, 429/211US Class Current1/1CPC Class CodesH01M 50/147 Lids or coversH01M 50/176 for prismatic or rectangula...H01M 50/55 on the same side of the cellH01M 50/553 Terminals adapted for prism...H01M 50/562 characterised by the materialH01M 50/567 by fixing means, e.g. screw...Y02E 60/10 Energy storage using batteries
