US 12,009,516 B2
Fast charging lithium-ion battery
Deng-Tswen Shieh, Hsinchu (TW); Sheng-Fa Yeh, Miaoli (TW); Shih-Chieh Liao, Taoyuan (TW); Ching-Yu Chen, Ji'an Township (TW); and Hao-Tzu Huang, Taichung (TW)
Assigned to INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Hsinchu (TW)
Filed by INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Hsinchu (TW)
Filed on Sep. 18, 2020, as Appl. No. 17/026,021.
Claims priority of provisional application 62/901,814, filed on Sep. 18, 2019.
Claims priority of application No. 109117553 (TW), filed on May 26, 2020.
Prior Publication US 2021/0083279 A1, Mar. 18, 2021
Int. Cl. H01M 4/48 (2010.01); H01M 4/36 (2006.01); H01M 4/485 (2010.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01)
CPC H01M 4/485 (2013.01) [H01M 4/366 (2013.01); H01M 10/0525 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01)] 4 Claims
OG exemplary drawing
 
1. A fast charging lithium-ion battery, comprising:
a positive electrode plate, comprising a positive active material layer and a positive current collector, wherein the positive active material layer essentially consists of lithium nickel cobalt manganite;
a negative electrode plate, comprising a negative active material layer and a negative current collector, wherein the negative active material layer comprises titanium niobium oxide, lithium titanate or a combination thereof;
a separator disposed between the positive electrode plate and the negative electrode plate;
an electrolyte, contacting the positive electrode plate and the negative electrode plate,
wherein the negative active material layer has an effective area corresponding to and overlapping the positive electrode plate on one surface of the negative current collector, the negative active material layer has a thickness on the one surface of the negative current collector, and a ratio of the effective area to the thickness is between 2.87×105 mm to 2.01×106 mm, the thickness has a range of 38.3 μm to 100 μm.