About 64 results
https://drivepatents.com/patents/978224 · 19 Feb 2014
The present invention relates to a sulphate containing mixed lithium-iron phosphate of formula €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ Li x Fe 1-y M y (PO 4 ) u (SO 4 ) v wherein M is a metal selected from the group Co, Ni, Mn, Al, Mg, Sn, Pb, Nb B, Cu, C...
https://drivepatents.com/patents/978222 · 19 Feb 2014
The present invention relates to a sulphate containing mixed Lithium-manganese iron phosphate of formula LiFeMnM(PO)(SO) wherein M is a metal selected from the group Co, Ni, Al, Mg, Sn, Pb, Nb B, Cu, Cr, Mo, Ru, V, Ga, Ca, Sr, Ba, Ti, Zr, Cd and mixtures t...
https://drivepatents.com/patents/978880 · 5 Feb 2014
To solve the problem of low electrical conductivity and low lithium ion diffusivity derived from the crystal structure of an electrode active material having one-dimensional ion diffusivity, the electrode material for a secondary battery includes crystal p...
https://drivepatents.com/patents/978741 · 5 Feb 2014
In an aspect, a positive active material for a rechargeable lithium battery that includes a lithium composite oxide including a Fe-containing compound phase and a Li-containing compound phase, a method of preparing the same, and a rechargeable lithium batt...
https://drivepatents.com/patents/979950 · 8 Jan 2014
Provided is an electrode active material that is obtained by coating a surface of each particle of Li w A x DO 4 (provided that, A represents at least one selected from the group consisting of Mn and Co, D represents one or more selected from the group con...
https://drivepatents.com/patents/981476 · 27 Nov 2013
The present invention provides a positive active material including a lithium-containing compound represented by the following Chemical Formula (1) and a rechargeable lithium battery (100) including said positive active material. LiFeMM'PO (1)
https://drivepatents.com/patents/987789 · 7 Aug 2013
A process for producing a lithium vanadium phosphate-carbon composite includes a first step that includes mixing a lithium source, a tetravalent or pentavalent vanadium compound, a phosphorus source, and a conductive carbon material source that produces ca...
https://drivepatents.com/patents/988703 · 17 Jul 2013
The present invention relates to a positive electrode active material for a lithium secondary battery having improved thermal stability, a method for producing the positive electrode active material, and a lithium secondary battery containing the same. The...
https://drivepatents.com/patents/988987 · 10 Jul 2013
Provided is a method for producing a lithium metal phosphate, and the method comprises initiating and allowing to proceed, in the presence of a polar solvent, a conversion reaction of a lithium ion (Li) source such as lithium hydroxide, a divalent transiti...
https://drivepatents.com/patents/989548 · 19 Jun 2013
Preparing a lithium metal phosphate comprises: (a) providing a dry mixture comprising a lithium compound, a metal compound, where the metal is iron and/or manganese, and a phosphate; (b) converting the dry mixture to lithium metal phosphate; (c) wet millin...