Lithiumsalz von Carboxymethylcellulose, Herstellungsverfahren Dafür, Negativelektrode und Wiederaufladbare Lithiumbatterie damit

Details

Veröffentlichungs-Nr.

EP4790783

Anmeldetag

6. Juni 2025

Veröffentlichung

12. August 2026

Rechtsraum

EP

IPC

H01M10/0525

Abstract

Disclosed are a carboxylmethyl cellulose lithium salt, a method of manufacturing the carboxylmethyl cellulose lithium salt, a negative electrode including the carboxylmethyl cellulose lithium salt, and a rechargeable lithium battery. The method of manufacturing a carboxylmethyl cellulose lithium salt includes performing an alkalization reaction of cellulose and lithium hydroxide, performing an etherification reaction with a halogen-containing acetic acid or a salt thereof, wherein an amine derivative is added during the alkalization reaction or the etherification reaction, and an amount of the halogen-containing acetic acid or a salt thereof added relative to the lithium hydroxide is controlled to a given amount.

Anmelder

Firma

SAMSUNG SDI CO., LTD.

Land

🇰🇷 Südkorea

Fachgebiete