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:
Nov. 18, 2025
Filed:
Nov. 20, 2018
A123 Systems Llc, Novi, MI (US);
Lixin Wang, Belmont, MA (US);
Weidong Zhou, Winchester, MA (US);
Anil Parmar, Marlboro, MA (US);
Fu Zhou, Sichuan, CN;
Derek C. Johnson, Fort Collins, CO (US);
A123 SYSTEMS LLC, Novi, MI (US);
Abstract
Methods and systems are provided for a battery cathode material comprising greater than or equal to 60% nickel content, the cathode material having at least one metal doped therein. In one example, a method comprises doping the at least one metal into the cathode material using water as a solvent, wherein the at least one metal has an ionic radii greater than 60 picometers. The at least one metal may be selected from strontium (Sr), barium (Ba), rubidium (Rb), cesium (Cs), zirconium (Zr), niobium (Nb), molybdenum (Mo), technetium (Tc), ruthenium (Ru), tungsten (W), platinum (Pt), neodymium (Nd), yttrium (Y), and cerium (Ce).