US 11,777,107 B2
Gas-solid reduction process for preparation of platinum-containing catalysts for fuel cells
Arthur E. Koschany, Shanghai P.R. (CN); Rajesh Bashyam, Delta (CA); and Zhai Jun, Shanghai (CN)
Assigned to HYZON MOTORS INC., Honeoye Falls, NY (US)
Filed by HYZON MOTORS INC., Honeoye Falls, NY (US)
Filed on Sep. 28, 2021, as Appl. No. 17/486,989.
Claims priority of provisional application 63/084,167, filed on Sep. 28, 2020.
Prior Publication US 2022/0102736 A1, Mar. 31, 2022
Int. Cl. H01M 8/04 (2016.01); H01M 4/92 (2006.01); B22F 9/22 (2006.01)
CPC H01M 4/926 (2013.01) [B22F 9/22 (2013.01); B22F 2301/25 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for manufacturing a catalyst for a fuel cell, comprising:
mixing a platinum precursor and a carbon material to form a mixture;
heating the mixture to form a porous solid;
milling the porous solid to form a powder; and
reacting the powder with a reducing agent, thereby forming the catalyst, the catalyst including platinum particles disposed on carbon particles.