US 11,923,548 B2
Electro catalyst composition with redox buffer metal oxides for bi-functional air electrode
Narayanam Seshubabu, Faridabad (IN); Vakakuzhiyil Gopinathan Anju, Faridabad (IN); Naduhatty Selai Raman, Faridabad (IN); Shailendra Kumar Sharma, Faridabad (IN); and Sankara Sri Venkata Ramakumar, Faridabad (IN)
Assigned to INDIAN OIL CORPORATION LIMITED, Mumbai (IN)
Filed by Indian Oil Corporation Limited, Mumbai (IN)
Filed on Sep. 2, 2021, as Appl. No. 17/446,763.
Claims priority of application No. 202021038027 (IN), filed on Sep. 3, 2020.
Prior Publication US 2022/0069316 A1, Mar. 3, 2022
Int. Cl. H01M 4/90 (2006.01); H01M 4/86 (2006.01); H01M 12/08 (2006.01)
CPC H01M 4/9016 (2013.01) [H01M 12/08 (2013.01); H01M 2004/8689 (2013.01)] 11 Claims
OG exemplary drawing
 
1. An electrocatalyst composition comprising redox buffer metals represented by formula (1) (MnxOy)(Co)n+/CeiZrjO2, wherein x=1 to 5, y=2 to 8, n=2 to 3, i=0.01 to 0.75 and j=0.1 to 0.95, and wherein cerium-zirconium is in a range of 0.1 to 5 wt%, and a weight ratio of cerium to zirconium is in a range of 0 to 1.