Johnson Matthey Public Limited Company

Clariant (Canada) Inc.

Universitéde Montreal

La Corporation De L'ecole Polytechnique De Montreal

Jasmin Dufour

Guoxian Liang

Michel Gauthier

Christophe Michot

Nathalie Ravet

Michael Holzapfel

Patrice Chartrand

Denis Geoffroy

Pierre Sauriol

Mickael Dollé

Majid Talebi-Esfandarani

Steeve Rousselot

Dolle Mickael

Mickael DollÉ

There is provided a process for producing LiMXO, comprising the steps of reacting a source of lithium, a source of M, and a source of X together, in a melted state at a reaction temperature between 900 to 1450 C, in the presence of an excess of (A) a solid-solid reducing couple having an oxygen partial process at equilibrium (pO) comprised between 10and 10atm at said reaction temperature according to an Ellingham-Richardson diagram for oxides, or (B) one component of the solid-solid reducing couple together with a gas-gas reducing couple having an oxygen partial pressure equilibrium (pO) between 10and 10atm at said reaction temperature according to an Ellingham-Richardson diagram of oxides, and under thermic equilibrium and thermodynamic equilibrium. There is also provided a LiMXOmelt-solidified product free from off-composition impurities.

Processes for producing LiMXOand products thereof

An alkali metal oxyanion cathode material comprising particles, where the particles carry, on at least a portion of the particle surface, carbon deposit by pyrolysis is described. The particles have the general formula A:M:M':XO4 where the average valency of M is +2 or greater; A is at least one alkali metal selected from Li, Na and K; M is at least Fe and/or Mn; and M&#x2032; is a metal of valency of 2+ or more.

Alkali metal oxyanion electrode material having a carbon deposited by pyrolysis and process for making same

The present invention relates to a process for the synthesis of a carbon-deposited alkali metal oxyanion cathode material comprising particles, wherein said particles carry, on at least a portion of the particle surface, carbon deposited by pyrolysis, said process comprising a dry high-energy milling step performed on precursors of said carbon-deposited alkali metal oxyanion prior to a solid-state thermal reaction.

Carbon-deposited alkali metal oxyanion electrode material and process for preparing same

A process for preparing an alkali metal oxyanion electrode material having a carbon coating deposited by a thermal treatment, said process comprising a thermal step under a humidified atmosphere of: (i) said alkali metal oxyanion electrode material having a carbon coating deposited by a thermal treatment; (ii) precursors of said alkali metal oxyanion electrode material and an organic precursor of carbon; or (iii) said alkali metal oxyanion electrode material and an organic precursor of carbon, wherein said thermal step is performed at a temperature in the range of about 300&#xb0; C. to about 950&#xb0; C.

Method for heat treating a carbon coated alkali metal oxyanion electrode material

A process for preparing a formulation comprising a carbon-deposited lithium metal phosphate, as precursor of a lithium ion battery electrode coating slurry.

Battery grade cathode coating formulation

Growing community of inventors

Lemoyne, Canada

Jasmin Dufour