Positivelektrodenaktivmaterial und Herstellungsverfahren Dafür, Positivelektrodenfolie, Batterie und Elektrische Vorrichtung

Details

Veröffentlichungs-Nr.

EP4742317

Anmeldetag

30. Oktober 2023

Veröffentlichung

9. Januar 2025

Rechtsraum

EP

IPC

H01M4/36

Abstract

The present application discloses a positive electrode active material and a preparation method thereof, a positive electrode plate, a battery, and an electric apparatus, where the positive electrode active material includes a sodium manganese oxide, the sodium manganese oxide includes a first phase and a second phase, the first phase includes alternating first sodium ion layers and first transition metal layers, and the second phase includes alternating second sodium ion layers and second transition metal layers. In the first phase, an interlayer spacing between adjacent first transition metal layers in a direction perpendicular to a (001) crystal plane is d<1>, in the second phase, an interlayer spacing between adjacent second transition metal layers in the direction perpendicular to the (001) crystal plane is d<2>, and d<1>-d<2> ranges from 0.01 nm to 0.02 nm.

Anmelder

Firma

Contemporary Amperex Technology Co., Limited

Land

🇨🇳 China

Fachgebiete