US 12,002,957 B2
ε-VOPO4 cathode for lithium ion batteries
Carrie Siu, Philadelphia, PA (US); and M. Stanley Whittingham, Vestal, NY (US)
Assigned to The Research Foundation for The State University of New York, Binghamton, NY (US)
Filed by The Research Foundation for The State University of New York, Binghamton, NY (US)
Filed on Jul. 18, 2023, as Appl. No. 18/354,493.
Application 17/670,470 is a division of application No. 16/291,617, filed on Mar. 4, 2019, granted, now 11,251,430, issued on Feb. 15, 2022.
Application 18/354,493 is a continuation of application No. 17/670,470, filed on Feb. 13, 2022, granted, now 11,715,829, issued on Aug. 1, 2023.
Claims priority of provisional application 62/638,893, filed on Mar. 5, 2018.
Prior Publication US 2023/0361297 A1, Nov. 9, 2023
Int. Cl. H01M 4/58 (2010.01); C01B 25/37 (2006.01); H01M 4/02 (2006.01); H01M 4/136 (2010.01); H01M 4/1397 (2010.01); H01M 4/62 (2006.01); H01M 10/0525 (2010.01)
CPC H01M 4/5825 (2013.01) [C01B 25/372 (2013.01); H01M 4/136 (2013.01); H01M 4/1397 (2013.01); H01M 4/623 (2013.01); H01M 4/625 (2013.01); H01M 10/0525 (2013.01); C01P 2002/72 (2013.01); C01P 2002/90 (2013.01); C01P 2004/03 (2013.01); C01P 2004/04 (2013.01); H01M 2004/021 (2013.01); H01M 2004/028 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A lithium battery, comprising:
a cathode formed with ε-VOPO4, particles and electrically conductive carbon particles, on a current collector, wherein the ε-VOPO4 has a dual lithium ion exchange characteristic, having a capacity of at least 275 mAh/g at a discharge rate of C/20;
a lithium metal anode; and
an electrolyte adapted to operate at a charging voltage of at least 4.5 V.