POSITIVE ELECTRODE ACTIVE MATERIAL, ELECTRODE, AND BATTERY
Application
US20260081155A1
Kind: A1
Mar 19, 2026
Assignee
TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventors
Takanori MAHARA, Tatsuya Eguchi, Takeshi Kimijima
Abstract
A positive electrode active material comprises powder. The powder includes secondary particles. Each of the secondary particles includes primary particles. Each of the primary particles includes an olivine-type phosphate compound. In an SEM image of the powder, a proportion of the secondary particles each having an open pore to the secondary particles each having a maximum Feret diameter of 5 μm or more is 40% or more.
CPC Classifications
H01M 4/5825
C01B 25/45
C01P 2002/50
C01P 2004/50
C01P 2004/51
C01P 2004/64
C01P 2006/40
Filing Date
2025-09-04
Application No.
19318869