	US 12,347,867 B2
	Electrode mixture production method, electrode mixture, electrode, and lithium-ion battery
Masaru Kubota, Okazaki (JP); Kazuki Muraishi, Toyota (JP); and Aiko Nagano, Nisshin (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed by TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed on Sep. 15, 2022, as Appl. No. 17/945,642.
Claims priority of application No. 2021-154788 (JP), filed on Sep. 22, 2021.
Prior Publication US 2023/0088894 A1, Mar. 23, 2023
Int. Cl. H01M 4/62 (2006.01); H01M 4/36 (2006.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01)

CPC H01M 4/628 (2013.01) [H01M 4/366 (2013.01); H01M 2004/021 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 10/0525 (2013.01)]

6 Claims

1. A method for producing an electrode mixture, comprising:

dropletizing a slurry containing an active material and a coating liquid to obtain slurry droplets;

gas-flow drying the slurry droplets in a heating gas to obtain a first precursor and a second precursor; and

firing the first precursor and the second precursor to obtain a first particle and a second particle, wherein

the first precursor contains the active material and a component from the coating liquid,

the second precursor is free of the active material and contains a component from the coating liquid,

the first particle has the active material and a coating layer covering at least a portion of a surface of the active material, and

the second particle is free of the active material and contains a component same as that constituting the coating layer.