US 12,394,792 B2
Two dimensional (2D) transition metal dichalcogenide (TMD) materials and alloys as catalysts for cathode in lithium-sulfur (Li-S) batteries
Wonbong Choi, Coppell, TX (US)
Assigned to University of North Texas, Denton, TX (US)
Filed by University of North Texas, Denton, TX (US)
Filed on Apr. 10, 2023, as Appl. No. 18/132,871.
Application 18/132,871 is a continuation of application No. 17/219,523, filed on Mar. 31, 2021, granted, now 11,652,206.
Claims priority of provisional application 63/005,177, filed on Apr. 3, 2020.
Prior Publication US 2023/0246187 A1, Aug. 3, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H01M 4/04 (2006.01); H01M 4/13 (2010.01); H01M 4/133 (2010.01); H01M 4/38 (2006.01); H01M 4/44 (2006.01); H01M 4/58 (2010.01); H01M 4/02 (2006.01)
CPC H01M 4/5815 (2013.01) [H01M 4/0426 (2013.01); H01M 4/0428 (2013.01); H01M 4/133 (2013.01); H01M 4/38 (2013.01); H01M 4/44 (2013.01); H01M 2004/028 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A method of making a lithium-sulfur (Li—S) battery cathode, wherein the Li—S battery cathode, the method comprising:
providing a substrate, the substrate comprising carbon material;
providing one or more metal sources for one or more metals;
sputtering the one or more metals onto the carbon material to form a top layer on the substrate, wherein composition of the top layer varies based on deposition power and deposition time;
transferring the substrate having the top layer to a chemical vapor deposition (CVD) chamber; and
sulfurizing the top layer to form a two-dimensional (2D) transition metal dichalcogenides (TMD) layer on the substrate.