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POSITIVE ELECTRODE AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

Application US20260088282A1 Kind: A1 Mar 26, 2026

Assignee

SAMSUNG SDI CO., LTD.

Inventors

Sejeong PARK, Boram LEE, Songyul OH

Abstract

Disclosed are positive electrodes and rechargeable lithium batteries. The positive electrode includes a current collector, a first active material layer on the current collector, and a second active material layer on the first active material layer. The first active material layer includes a first particle including a layered positive electrode active material, a second particle including an olivine-based active material, a first conductive material; and a first binder. The second active material layer includes the second particle, a second conductive material, and a second binder. An amount of the first particle in the first active material layer is equal to or greater than about 70% and equal to or less than about 90%.

CPC Classifications

H01M 4/366 H01M 4/131 H01M 4/136 H01M 4/505 H01M 4/525 H01M 4/5825 H01M 4/622 H01M 4/624 H01M 2004/021 H01M 2004/028 H01M 10/0525

Filing Date

2025-09-19

Application No.

19334032