Producing electrode material, comprises (a) mixing (A) at least one phosphorus compound, (B) at least one lithium compound, (C) at least one carbon source, (D1) at least one water-soluble iron compound in which iron is present in +2 or +3 oxidation state, ...

A positive active material for a rechargeable lithium battery comprises a compound represented by the following Chemical Formula 1 and has a peak at a 2θ value of between 40.0 degrees and 41.0 degrees in an X-ray diffraction (XRD) pattern. [Chemical Formu...

The invention relates to a process for preparing an at least partially lithiated transition metal oxyanion-based lithium-ion reversible electrode material, which comprises providing a precursor of said lithium-ion reversible electrode material, heating sai...

It is to provide a process for producing a phosphate compound capable of producing a phosphate compound excellent in the properties and the reliability, efficiently at a low cost. [0002] A first compound having a composition of MPO(wherein M is at least on...

A particulate positive electrode material for lithium ion cells is prepared by dispersing manganese(II) sulfate, iron(II) sulfate, and lithium phosphate and/or lithium hydrogenphosphate in water to form a slurry, effecting hydrothermal reaction in an autoc...

Provided is a cathode mix for lithium secondary batteries, comprising a cathode active material having a composition represented by the following Formula I: LiFe(P 1-X O 4 ) (I) wherein a molar fraction (1-x) of phosphorus (P) is in the range of 0.910 to 0...

The present invention relates to a method for removing a particulate contaminant material from a particulate mixed lithium metal phosphate material, comprising the steps of providing a particulate mixed lithium metal phosphate material, including a particu...

A method for producing a cathode material for a secondary battery, characterized in that it comprises admixing a compound liberating a phosphate ion in a solution (phosphoric acid H3PO4, phosphorus pentoxide PO5, ammonium dihydrogenphosphate NH4H2PO4 and t...

The invention provides novel lithium-mixed metal materials which, upon electrochemical interaction, release lithium ions, and are capable of reversibly cycling lithium ions. The invention provides a rechargeable lithium battery which comprises an electrode...

In a method for producing a positive electrode active material including a mixing step of mixing a plurality of substances to give a precursor and a sintering step of sintering and reacting said precursor obtained by said mixing step, in which these substa...