US 12,148,915 B2
Composition for forming an active material composite, an active material composite, and a method for producing an active material composite
Takahiro Kaseyama, Funabashi (JP); Tatsuya Hatanaka, Funabashi (JP); and Yuki Shibano, Funabashi (JP)
Assigned to NISSAN CHEMICAL CORPORATION, Tokyo (JP)
Appl. No. 17/290,425
Filed by NISSAN CHEMICAL CORPORATION, Tokyo (JP)
PCT Filed Oct. 3, 2019, PCT No. PCT/JP2019/039118
§ 371(c)(1), (2) Date Apr. 30, 2021,
PCT Pub. No. WO2020/090344, PCT Pub. Date May 7, 2020.
Claims priority of application No. 2018-206981 (JP), filed on Nov. 2, 2018.
Prior Publication US 2021/0384489 A1, Dec. 9, 2021
Int. Cl. H01M 4/36 (2006.01); H01M 4/04 (2006.01); H01M 4/485 (2010.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 4/62 (2006.01); H01M 10/0525 (2010.01)
CPC H01M 4/362 (2013.01) [H01M 4/04 (2013.01); H01M 4/485 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 4/622 (2013.01); H01M 4/625 (2013.01); H01M 10/0525 (2013.01)] 20 Claims
 
1. A composition for forming an active material composite comprising at least one active material selected from a metal, a metalloid, a metal alloy, a metal oxide, a metalloid oxide, a metal phosphate, a metal sulfide, and a metal nitride, a conductive material, a solvent, and at least one dispersant selected from a vinyl polymer comprising a pendant oxazoline group and a triarylamine-based hyperbranched polymer, wherein amount of oxazoline monomer in monomer ingredients used to prepare the vinyl polymer comprising a pendant oxazoline group is at least 10% by mass.