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:
Jan. 16, 2018
Filed:
May. 28, 2013
Johnson Matthey Public Limited Company, London, GB;
Université DE Montréal, Montréal, CA;
LA Corporation DE L'ecole Polytechnique DE Montreal, Montréal, CA;
Michel Gauthier, La Prairie, CA;
Dean MacNeil, Ottawa, CA;
Joseph Wontcheu, Laval, CA;
Patrice Chartrand, Montréal, CA;
Guoxian Liang, St-Hyacinthe, CA;
Johnson Matthey Public Limited Company, London, GB;
Universite de Montreal, Montreal, Quebec, CA;
La Corporation de L'Ecole Polytechnique de Montreal, Montreal, Quebec, CA;
Abstract
There is provided a process for preparing a crystalline electrode material, the process comprising: providing a liquid bath comprising the electrode material in a melted state; and introducing a precursor of the electrode material into the liquid bath, wherein the electrode material comprises lithium, a metal and phosphate. There is also provided a crystalline electrode material, comprising lithium substituted by less than 0.1 atomic of Na or K; Fe and/or Mn, substituted by less than 0.1 atomic ratio of: (a) Mg, Ca, Al and B, (b) Nb, Zr, Mo, V and Cr, (c) Fe(III), or (d) any combinations thereof; and PO, substituted by less than 20% atomic weight of an oxyanion selected from SO, SiO, BO, PO, and any combinations thereof, the material being in the form of particles having a non-carbon and non-olivine phase on at least a portion of the surface thereof.