METHOD FOR CALCULATING WETNESS FACTOR OF ACTIVE MATERIAL, AND METHOD FOR MANUFACTURING COATING ACTIVE MATERIAL

Japanese Patent JP2022063586

A

To appropriately calculate the wetness factor of active material to coat liquid.SOLUTION: A method for calculating the wetness factor of active material to coat liquid includes a first step, a second step, a third step, and a fourth step. The first step includes adding a phosphor to the coat liquid to obtain a fluorescent solution. The second step includes obtaining an evaluation sample including the fluorescent solution and the active material. The third step includes obtaining a fluorescent image of the evaluation sample and a laser reflection image in the same visual field as the fluorescent image by using a confocal laser microscope. The fourth step includes calculating the wetness factor of the active material in the evaluation sample based on an area α in which the fluorescent solution specified from the fluorescent image is present, an area β in which the active material specified from the laser reflection image is present, and an area γ in which the area α and the area β specified from the fluorescent image and the laser reflection image overlap each other.SELECTED DRAWING: Figure 1

KUBOTA MASARU
MURAISHI KAZUO
ISHIGAKI YUKI
KITAYOSHI MASANORI
KUSANO YOSHIMI
YONEKURA HIROTAKA
TANI MASAAKI

JP2020171926A

April 22, 2022

October 12, 2020

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TOYOTA MOTOR CORP
TOYOTA CENTRAL RES & DEV

H01M4/485; H01M4/36

Aoki Atsushi
Shinji Mihashi
Junichi Tsuruta
Koichi Ito
Nobuo Sekine
Tsutomu Kono
Jun Iwata

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