Negativelektrode und Sekundärbatterie

Details

Veröffentlichungs-Nr.

EP4345941

Aktenzeichen

EP23199867

Anmeldetag

26. September 2023

Veröffentlichung

3. April 2024

Rechtsraum

EP

IPC

H01M4/133H01M4/134H01M4/1393H01M4/1395H01M4/36H01M4/38H01M4/52H01M4/02

Abstract

Disclosed (or Provided) are a negative electrode for a secondary battery, including: a current collector; a first negative electrode active material layer provided on the current collector; and a second negative electrode active material layer provided on the first negative electrode active material layer, in which the first and second negative electrode active material layers include a silicon-based active material and natural graphite, the natural graphite has an average particle diameter (D50) of 10 µm or less, and the OI (004/110) of the first and second negative electrode active material layers is 8 or less, and a secondary battery including the same.

Anmelder

Firma

LG Energy Solution, Ltd.

Land

🇰🇷 Südkorea

Fachgebiete