The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 14, 2026
Filed:
Mar. 08, 2019
Basf SE, Ludwigshafen am Rhein, DE;
Manuel Alejandro Mendez Agudelo, Ludwigshafen, DE;
Maraike Ahlf, Ludwigshafen, DE;
Heino Sommer, Ludwigshafen, DE;
Jacob Haag, Beachwood, OH (US);
Hannes Wolf, Ludwigshafen, DE;
Johannes David Hoecker, Ludwigshafen, DE;
BASF SE, Ludwigshafen, DE;
Abstract
An electrochemical cell has a cathode active material selected from mixed lithium transition metal oxides containing Mn and at least one second transition metal; lithium intercalating mixed oxides containing Ni, Al and at least one second transition metal; and lithium metal phosphates, wherein the outer surface of the particulate cathode active material is at least partially coated with an oxide selected from transition metal oxides, lanthanide oxides, and oxides of metals and half metals of groups 2, 13, and 14 of the periodic system; and an electrolyte composition containing at least one silyl ester phosphonate of formula (I) and at least one silyl ester phosphonate of formula (II)