Aktives Kathodenmaterial

Details

Veröffentlichungs-Nr.

EP4810446

Anmeldetag

13. März 2026

Veröffentlichung

23. September 2026

Rechtsraum

EP

IPC

C01G53/00

Abstract

Provided is a cathode active material (100) configured to decrease the rate of resistance increase that is due to battery charge and discharge, the cathode active material (100) comprising at least one element selected from the group consisting of a Ni element, a Co element and a Mn element, wherein the cathode active material is in a form of two or more stacked primary particles; wherein the primary particles are single crystals that have a crystal structure belonging to space group R-3m; wherein the two or more stacked primary particles as the cathode active material include at least a first particle (10) and a second particle (20), and the first and second particles are sequentially connected; and wherein the first particle and the second particle are stacked so that the 003 plane of the first particle and that of the second particle are in parallel.

Anmelder

Firma

Toyota Jidosha Kabushiki Kaisha

Land

🇯🇵 Japan

Fachgebiete