A rechargeable battery includes an electrode assembly, the electrode assembly including a first electrode plate, a second electrode plate, and a separator interposed between the first electrode plate and the second electrode plate, a first collector plate, a case in which the electrode assembly is r
A rechargeable battery includes an electrode assembly, the electrode assembly including a first electrode plate, a second electrode plate, and a separator interposed between the first electrode plate and the second electrode plate, a first collector plate, a case in which the electrode assembly is received, a cap plate sealing the case, a first electrode terminal electrically connected to the first electrode plate, the first electrode terminal including a first terminal bolt electrically connected to the first collector plate and passing through the cap plate, and a first terminal nut, the first terminal nut being engaged with the first terminal bolt so as to be riveted thereto.
대표청구항▼
1. A rechargeable battery, comprising: an electrode assembly, the electrode assembly including a first electrode plate, a second electrode plate, and a separator interposed between the first electrode plate and the second electrode plate;a first collector plate;a case in which the electrode assembly
1. A rechargeable battery, comprising: an electrode assembly, the electrode assembly including a first electrode plate, a second electrode plate, and a separator interposed between the first electrode plate and the second electrode plate;a first collector plate;a case in which the electrode assembly is received;a cap plate sealing the case;a first electrode terminal electrically connected to the first electrode plate, the first electrode terminal including a first terminal bolt electrically connected to the first collector plate and passing through the cap plate, the first terminal bolt including a thread on an outer circumferential surface thereof; anda first terminal nut, the first terminal nut including a thread on an inner surface thereof, the thread of the first terminal nut being engaged with the thread on the first terminal bolt, the first terminal nut also being engaged with the first terminal bolt so as to be riveted thereto, andfurther comprising:a second collector plate;a second electrode terminal electrically connected to the second electrode plate, the second electrode terminal including a second terminal bolt electrically connected to the second collector plate and passing through the cap plate, the second terminal bolt including a thread on an outer circumferential surface thereof;a connection plate between the second terminal bolt and the cap plate, the connection plate directly contacting the second terminal bolt; anda second terminal nut, the second terminal nut including a thread on an inner surface thereof, the thread of the second terminal nut being engaged with the thread on the second terminal bolt, the second terminal nut also being engaged with the first terminal bolt so as to be riveted thereto. 2. The rechargeable battery as claimed in claim 1, wherein the first terminal bolt is made of copper. 3. The rechargeable battery as claimed in claim 1, wherein an upper part of the first terminal bolt has a nickel coating. 4. The rechargeable battery as claimed in claim 1, wherein the first terminal bolt includes a rivet recess at a top end thereof. 5. The rechargeable battery as claimed in claim 4, wherein the first terminal bolt includes an extension part at an outer circumference of the rivet recess. 6. The rechargeable battery as claimed in claim 5, wherein the first terminal nut includes a receiving part at an interior upper part thereof, the extension part of the first terminal bolt being coupled to the receiving part. 7. The rechargeable battery as claimed in claim 1, wherein the first terminal nut is made of aluminum. 8. The rechargeable battery as claimed in claim 1, wherein the second terminal bolt is made of aluminum. 9. The rechargeable battery as claimed in claim 1, wherein the second terminal bolt includes a rivet recess at a top end thereof. 10. The rechargeable battery as claimed in claim 9, wherein the second terminal bolt includes an extension part at an outer circumference of the rivet recess. 11. The rechargeable battery as claimed in claim 10, wherein the second terminal nut includes a receiving part at an interior upper part thereof, the extension part of the second terminal bolt being coupled to the receiving part. 12. The rechargeable battery as claimed in claim 1, wherein the second terminal nut is made of aluminum. 13. The rechargeable battery as claimed in claim 1, further comprising a first gasket between the first terminal bolt and the cap plate and a second gasket between the second terminal bolt and the cap plate.
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