Lithium-Ionen-Batterie

Details

Veröffentlichungs-Nr.

EP4752946

Anmeldetag

25. November 2025

Veröffentlichung

3. Juni 2026

Rechtsraum

EP

Abstract

Disclosed is a lithium-ion battery. The lithium-ion battery comprises a cell and an electrolyte, wherein the cell comprises a positive electrode plate, a separator, and a negative electrode plate that are stacked, wherein the positive electrode plate body has a first surface and a second surface opposite to each other in a thickness direction, and the positive electrode plate has a plurality of protruding portions on the first surface and recessed portions corresponding to the protruding portions on the second surface; and the electrolyte comprises A wt % of a sulfur-containing additive, which comprises at least one of a sulfonate, a sulfate, and a sulfite, with the lithium-ion battery satisfying 0.3≤H/T≤6 and 0.1≤A≤6; where H is the height of the protruding portion, in µm; and T is the thickness of the separator, in µm. The lithium-ion battery has both good electrochemical performance and safety.

Anmelder

Firma

Zhuhai CosMX Battery Co., Ltd.

Land

🇨🇳 China