A rechargeable battery is disclosed. In one embodiment, the battery includes: i) a first current collecting plate, ii) a plurality of electrode assemblies electrically connected in parallel with each other via the first current collecting plate, wherein each of the electrode assemblies comprises two
A rechargeable battery is disclosed. In one embodiment, the battery includes: i) a first current collecting plate, ii) a plurality of electrode assemblies electrically connected in parallel with each other via the first current collecting plate, wherein each of the electrode assemblies comprises two opposing ends and an outer side formed between the two ends, and wherein the first current collecting plate is electrically connected to one of the two ends of the electrode assemblies and iii) a can configured to accommodate the first current collecting plate and the plurality of electrode assemblies, wherein the can comprises at least one non-linear portion, and wherein an inner surface of the non-linear portion faces the outer side of at least one electrode assembly.
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1. A rechargeable battery, comprising: a first current collecting plate; a plurality of electrode assemblies electrically connected in parallel with each other via the first current collecting plate, wherein each of the electrode assemblies comprises two opposing ends and an outer surface of each el
1. A rechargeable battery, comprising: a first current collecting plate; a plurality of electrode assemblies electrically connected in parallel with each other via the first current collecting plate, wherein each of the electrode assemblies comprises two opposing ends and an outer surface of each electrode assembly formed between the two ends, and wherein the first current collecting plate is electrically connected to one of the two ends of the electrode assemblies;a plurality of first electrode tabs and a plurality of second electrode tabs respectively connected to the electrode assemblies, wherein each of the first and second electrode tabs comprises first and second ends opposing each other, wherein the first ends of the first tabs are connected to the outer surface of the respective electrode assembly, wherein the second ends of the first tabs are connected to the first current collecting plate, wherein the plurality of first electrode tabs and the plurality of second electrode tabs respectively are located at opposite ends of the corresponding electrode assembly and wherein each of the second ends of each second electrode tab is connected only to the innermost portion of the corresponding electrode assembly; and a can configured to accommodate the first current collecting plate and the plurality of electrode assemblies. 2. The battery of claim 1, wherein each of the electrode assemblies has a cylindrical shape. 3. The battery of claim 1, wherein the can comprises at least one non-linear portion, and wherein an inner surface of the non-linear portion faces the outer surface of at least one electrode assembly. 4. The battery of claim 3, wherein the non-linear portion comprises at least one curved side. 5. The battery of claim 4, wherein the curvature of the at least one curved side is substantially similar to that of the outer surface of each electrode assembly. 6. The battery of claim 4, wherein the at least one curved side contacts the outer surface of at least one electrode assembly. 7. The battery of claim 1, further comprising a second current collecting plate electrically connected to the other ends of the electrode assemblies. 8. The battery of claim 7, wherein each of the electrode assemblies comprises a positive electrode, a negative electrode and a separator interposed between the positive and negative electrodes, and wherein the positive and negative electrodes are electrically connected to the first and second current collecting plates, respectively. 9. The battery of claim 8, wherein each of the positive and negative electrodes comprises a coated region and an uncoated region, and wherein the width of the positive electrode coated region is less than the width of the negative electrode coated region. 10. The battery of claim 1, further comprising: a cap plate configured to close the can;an electrode terminal formed on the cap plate; anda connection member configured to electrically connect the electrode terminal and the first current collecting plate, wherein the connection member is further configured to support the electrode assemblies so that the electrode assemblies do not move in the can. 11. The battery of claim 10, wherein the can comprises two opposing ends, wherein the cap plate is located on one end, wherein the electrode terminal is configured to perform as one of the positive and negative terminals of the battery, and wherein the other end of the can is configured to perform as the other terminal of the battery. 12. The battery of claim 1, wherein the electrode assemblies are arranged so as to form a single row inside the can. 13. The battery of claim 1, wherein the electrode assemblies are arranged so as to form a plurality of rows inside the can. 14. A rechargeable battery, comprising: a first current collecting plate;a plurality of cylinder-type electrode assemblies electrically connected in parallel with each other via the first current collecting plate, wherein each of the electrode assemblies comprises two opposing ends and a cylindrical outer surface, wherein the first current collecting plate is electrically connected to one of the two ends of the electrode assemblies, respectively, and wherein the electrode assemblies are not surrounded by an adhesive medium;a plurality of electrode tabs respectively connected to the electrode assemblies, wherein each of the electrode tabs comprises first and second ends opposing each other, wherein the first end is connected to the cylindrical outer surface of the respective electrode assembly, wherein the second ends are connected to the first current collecting plate, wherein the first and second ends of each electrode tab are located at opposite ends of the corresponding electrode assembly, and wherein each of the second ends of each electrode tab is connected only to the innermost portion of the corresponding electrode assembly; anda can configured to accommodate the first current collecting plate and the plurality of cylinder-type electrode assemblies, wherein the can is configured to sufficiently tightly support the electrode assemblies so that the electrode assemblies do not move inside the can. 15. The battery of claim 14, further comprising a second current collecting plate electrically connected to the other ends of the electrode assemblies. 16. The battery of claim 15, wherein the can comprises two opposing ends, and wherein the battery further comprises a cap plate configured to close one end of the can, and wherein the second current collecting plate is directly connected to the other end of the can. 17. The battery of claim 14, further comprising: a cap plate configured to close the can;an electrode terminal formed on the cap plate; anda connection member configured to electrically connect the electrode terminal and the first current collecting plate, wherein the connection member is further configured to support the electrode assemblies so that the electrode assemblies do not move in the can. 18. The battery of claim 14, wherein the can comprises two curved sides, wherein each curved side has a curvature, and wherein the two curvatures are different. 19. The battery of claim 14, wherein the electrode assemblies are arranged so as to form a plurality of rows. 20. The battery of claim 14, wherein each of the electrode assemblies comprises a positive electrode, a negative electrode and a separator interposed between the positive and negative electrodes, wherein each of the positive and negative electrodes comprises a coated region and an uncoated region, and wherein the width of the positive electrode coated region is less than the width of the negative electrode coated region. 21. A rechargeable battery, comprising: a first current collecting plate;a second current collecting plate;a plurality of electrode assemblies electrically connected in parallel with each other via the first and second current collecting plates, wherein each of the electrode assemblies comprises two opposing ends and an outer surface of each electrode assembly formed between the two ends, and wherein the first and second current collecting plates are electrically connected to the two ends of the electrode assemblies; a plurality of electrode tabs respectively connected to the electrode assemblies, wherein each of the electrode tabs comprises first and second ends opposing each other, wherein the first end is connected to the outer surface of the respective electrode assembly, wherein the second ends are connected to one of the first and second current collecting plates, wherein the first and second ends of each electrode tab are located at opposite ends of the corresponding electrode assembly, and wherein each of the second ends of each electrode tab is connected only to the innermost portion of the corresponding electrode assembly; a can, comprising two opposing ends, configured to accommodate the two current collecting plates and the plurality of electrode assemblies, wherein the can comprises at least one non-linear portion, and wherein an inner surface of the non-linear portion faces the outer surface of at least one electrode assembly; anda cap plate configured to close one end of the can, wherein one of the two current collecting plates is directly connected to the other end of the can. 22. The battery of claim 1, wherein the first current collecting plate does not directly contact any of the electrode assemblies. 23. A rechargeable battery, comprising: a first current collecting plate;a plurality of electrode assemblies electrically connected in parallel with each other via the first current collecting plate, wherein each of the electrode assemblies comprises two opposing ends and an outer surface of each electrode assembly formed between the two ends, and wherein the first current collecting plate is electrically connected to one of the two ends of the electrode assemblies;a plurality of electrode tabs respectively connected to the electrode assemblies, wherein each of the electrode tabs comprises first and second ends opposing each other, wherein the first end is connected to the outer surface of the respective electrode assembly, wherein the second ends are connected to the first current collecting plate, and wherein the first and second ends of each electrode tab are located at opposite ends of the corresponding electrode assembly;a can configured to accommodate the first current collecting plate and the plurality of electrode assemblies; anda sector pin disposed in the innermost portion of each electrode assembly, wherein each of the second ends of each electrode tab is connected only to the sector pin.
Kim, Jong Hee; Kim, Dongmyung; Yoon, Hyungook; Kim, Yong Jeong; Sung, Joo-Hwan; Chu, Seung W.; Yoon, Sung-Pil; Lee, Dohyun, Jelly-roll having active material layer with different loading amount.
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