US 11,721,829 B2
Rechargeable battery
Donghyuk Chang, Yongin-si (KR); Bokhyun Ka, Yongin-si (KR); Kyeuyoon Sheem, Yongin-si (KR); and Jinhyon Lee, Yongin-si (KR)
Assigned to SAMSUNG SDI CO., LTD., Yongin-si (KR)
Appl. No. 16/465,869
Filed by SAMSUNG SDI CO., LTD., Yongin-si (KR)
PCT Filed Dec. 8, 2017, PCT No. PCT/KR2017/014374
§ 371(c)(1), (2) Date May 31, 2019,
PCT Pub. No. WO2018/106054, PCT Pub. Date Jun. 14, 2018.
Claims priority of application No. 10-2016-0167783 (KR), filed on Dec. 9, 2016.
Prior Publication US 2019/0305356 A1, Oct. 3, 2019
Int. Cl. H01M 10/04 (2006.01); H01M 4/13 (2010.01); H01M 10/42 (2006.01); H02J 7/00 (2006.01)
CPC H01M 10/0459 (2013.01) [H01M 4/13 (2013.01); H01M 10/04 (2013.01); H01M 10/0431 (2013.01); H01M 10/42 (2013.01); H02J 7/0045 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A rechargeable battery, comprising:
an electrode assembly formed by disposing an electrode plate at opposite sides of a separator and spirally winding the separator and the electrode plate; and
a pouch configured to accommodate the electrode assembly therein and to draw out an electrode tab connected to the electrode plate to the outside thereof,
wherein the electrode plate includes:
a double-sided coated region including an active material on opposite sides of a substrate forming a current collector; and
a single-sided coated region including an active material on a single surface of the same substrate as the double-sided coating region, and
wherein resistance of the single-sided coated region is higher than that of the double-sided coated region.