US 11,757,151 B2
Cathode material for lithium-air battery and method of manufacturing cathode using same
Sam Ick Son, Suwon (KR); Young Joon Bae, Seoul (KR); Hyeok Jun Park, Seoul (KR); Ki Suk Kang, Seoul (KR); Young Min Ko, Seoul (KR); and Sung Kwan Park, Seoul (KR)
Assigned to Hyundai Motor Company, Seoul (KR); Kia Motors Corporation, Seoul (KR); and Seoul National University R&DB Foundation, Seoul (KR)
Filed by Hyundai Motor Company, Seoul (KR); Kia Motors Corporation, Seoul (KR); and Seoul National University R&DB Foundation, Seoul (KR)
Filed on Nov. 17, 2020, as Appl. No. 16/950,426.
Claims priority of application No. 10-2020-0073305 (KR), filed on Jun. 17, 2020.
Prior Publication US 2021/0399365 A1, Dec. 23, 2021
Int. Cl. H01M 4/133 (2010.01); H01M 4/38 (2006.01); H01M 4/62 (2006.01); H01M 4/1393 (2010.01); H01M 4/583 (2010.01); H01M 12/08 (2006.01)
CPC H01M 12/08 (2013.01) [H01M 4/133 (2013.01); H01M 4/1393 (2013.01); H01M 4/382 (2013.01); H01M 4/583 (2013.01); H01M 4/622 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A cathode, comprising:
a current collector; and
a cathode slurry layer formed on the current collector and comprising a cathode material,
wherein the cathode material comprises a carbon material, an electrolyte, a solvent component and a binder,
wherein the electrolyte comprises a lithium salt and an ionic liquid,
a mass ratio of the carbon material and the electrolyte is 1:2-20,
an amount of the solvent component is 50 to 250 mL per g of the carbon material, and
wherein the cathode slurry layer has a thickness of 700 to 1000 μm.