US 12,249,738 B1
Rechargeable lithium battery
Pilsang Yun, Yongin-si (KR); Do-Yu Kim, Yongin-si (KR); Hyunbeom Kim, Yongin-si (KR); Sangin Park, Yongin-si (KR); and Yongchan You, Yongin-si (KR)
Assigned to Samsung SDI Co., Ltd., Yongin-si (KR)
Filed by SAMSUNG SDI CO., LTD., Yongin-si (KR)
Filed on Dec. 1, 2022, as Appl. No. 18/060,791.
Claims priority of application No. 10-2021-0172279 (KR), filed on Dec. 3, 2021.
Int. Cl. H01M 50/578 (2021.01); H01M 4/02 (2006.01); H01M 4/36 (2006.01); H01M 4/525 (2010.01); H01M 4/58 (2010.01); H01M 10/052 (2010.01); H01M 10/0567 (2010.01); H01M 50/117 (2021.01); H01M 50/124 (2021.01); H01M 50/157 (2021.01); H01M 50/164 (2021.01)
CPC H01M 50/578 (2021.01) [H01M 4/366 (2013.01); H01M 4/525 (2013.01); H01M 4/5825 (2013.01); H01M 10/052 (2013.01); H01M 10/0567 (2013.01); H01M 50/117 (2021.01); H01M 50/1243 (2021.01); H01M 50/157 (2021.01); H01M 50/164 (2021.01); H01M 2004/028 (2013.01); H01M 2200/20 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A rechargeable lithium battery comprising
a positive electrode;
a negative electrode;
a separator between the positive electrode and the negative electrode;
an electrolyte comprising vinylene carbonate; and
a case accommodating the positive electrode, the negative electrode, the separator, and the electrolyte, the case comprising a coating portion on at least a portion of an interior thereof, the coating portion containing lithium borate particles.