US 12,148,934 B2
Metal composite oxide and production method thereof, and electrode for solid oxide fuel cell
Hironao Matsuda, Osaka (JP); Minoru Yoneda, Osaka (JP); Norimune Hirata, Osaka (JP); and Kazuya Miyasaka, Osaka (JP)
Assigned to SAKAI CHEMICAL INDUSTRY CO., LTD., Osaka (JP)
Appl. No. 17/440,506
Filed by SAKAI CHEMICAL INDUSTRY CO., LTD., Osaka (JP)
PCT Filed Mar. 17, 2020, PCT No. PCT/JP2020/011745
§ 371(c)(1), (2) Date Sep. 17, 2021,
PCT Pub. No. WO2020/196101, PCT Pub. Date Oct. 1, 2020.
Claims priority of application No. 2019-057298 (JP), filed on Mar. 25, 2019.
Prior Publication US 2022/0173410 A1, Jun. 2, 2022
Int. Cl. H01M 4/90 (2006.01); H01M 4/88 (2006.01); H01M 8/1213 (2016.01); H01M 8/12 (2016.01)
CPC H01M 4/9033 (2013.01) [H01M 4/8825 (2013.01); H01M 4/8882 (2013.01); H01M 8/1213 (2013.01); H01M 2008/1293 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A method for producing a metal composite oxide, the method comprising steps of:
preparing a slurry by mixing different kinds of metal compounds in a powder form, a dispersion medium, and a dispersant, and
baking the different kinds of metal compounds after the dispersion medium in the slurry is removed, wherein
the slurry further includes a polyalkylene oxide having a viscosity average molecular weight of 150,000 or more.