About 57 results
https://drivepatents.com/patents/1398231 · 25 Feb 2026
The present disclosure relates to a positive electrode active material comprising at least one secondary particle comprising an agglomerate of primary macro particles, a method for preparing the same and a lithium secondary battery comprising the same.Acco...
https://drivepatents.com/patents/1399297 · 18 Feb 2026
A cathode active material for a lithium secondary battery according to an embodiment of the present invention includes a lithium composite oxide, and a lithium-aluminum-sulfur-boron oxide formed on a surface of the lithium composite oxide. A lithium second...
https://drivepatents.com/patents/1399266 · 4 Feb 2026
A cathode active material for a lithium secondary battery according to exemplary embodiments may include lithium metal oxide particles; and a coating layer which is formed on surfaces of the lithium metal oxide particles and contains a first metal and a se...
https://drivepatents.com/patents/1388967 · 28 Jan 2026
A positive electrode active material (5) comprises an active material particle (1) and a coating film (2). The coating film (2) covers at least part of a surface of the active material particle (1). The coating film (2) includes a first compound or a secon...
https://drivepatents.com/patents/1398233 · 31 Dec 2025
The present invention provides a method for manufacturing a high-nickel positive electrode active material comprising the steps of preparing a raw material containing nickel and cobalt; separating a liquid intermediate by leaching a metal component in the ...
https://drivepatents.com/patents/1394566 · 26 Nov 2025
The present application provides a layered oxide and a preparation method thereof, a positive electrode sheet, a secondary battery, a battery module, a battery pack and an electrical apparatus. The layered oxide includes an oxide with the general formula N...
https://drivepatents.com/patents/1396923 · 29 Oct 2025
The present disclosure relates to a positive electrode active material comprising at least one secondary particle comprising an agglomerate of primary macro particles, a method for preparing the same and a lithium secondary battery comprising the same. [00...
https://drivepatents.com/patents/1394123 · 17 Sep 2025
A cobalt-free positive electrode material, a preparation method therefor, and an application thereof. The preparation method comprises: mixing a lithium source, a cobalt-free precursor NixMny(OH)2, a nickel source, and a manganese source, performing primar...
https://drivepatents.com/patents/1400469 · 3 Sep 2025
Embodiments of the present invention provide a cathode active material for a lithium secondary battery. The cathode active material for a lithium secondary battery includes lithium-transition metal composite oxide particles, and a coating formed on each of...
https://drivepatents.com/patents/1397579 · 18 Jun 2025
The present invention relates to a positive electrode active material which may improve high-temperature life characteristics and high-temperature storage characteristics of a lithium secondary battery, and a positive electrode and a lithium secondary batt...