Basf Se Corporation

Advanced Lithium Electrochemistry Co., Ltd.

Brian Roberts

Hartmut Hibst

Jordan Keith Lampert

Kirill Bramnik

Simon Schroedle

Jordan Lampert

Simon SCHRÖDLE

The present invention relates to a process for the preparation of particles comprising at least one compound according to general formula (I) MaMbMcOoNnFf (I) wherein M, M, MO, N, F, a, b, c, o, n and f have the following meanings: M1 at least one alkaline metal, M2 at least one transition metal in oxidation state +2, M3 at least one non-metal chosen form S, Se, P, As, Si, Ge and/or B, O oxygen, N nitrogen, F fluorine, a 0.8-4.2, b 0.8-1.9, c 0.8-2.2, o 1.0-8.4, n 0-2.0 and f 0-2.0, wherein a, b, c, o, n and f are chosen to ensure electroneutrality of the compound according to general formula (I), and carbon, comprising at least the following steps: (A) providing an essentially aqueous mixture comprising at least one compound comprising M, at least one compound comprising Mhaving at least partially an oxidation state higher than +2, optionally at least one compound comprising M, at least one compound comprising N, if present, and/or at least one compound comprising F, if present, at least one polysaccharide comprising glucose having a molecular weight M of at least 50000 g/mol as carbon precursor and at least one reducing agent, (B) drying the mixture provided in step (A), in order to obtain a solid particle and (C) calcining the solid particle obtained from step (B) at a temperature of 300 to 950&#xb0; C.

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The present application relates to a process for the preparation of compounds of general formula (I)LiMFeMPMO&#x2003;&#x2003;(I),

Process for the preparation of crystalline lithium-, iron- and phosphate-comprising materials

The present invention relates to a process for the preparation of compounds of general formula (I)LiMVM(PO)&#x2003;&#x2003;(I)wherein M, M, a, b, c and x have the following meanings:

Process for the preparation of porous crystalline lithium-, vanadium and phosphate-comprising materials

The present invention relates to a Process for the preparation of compounds of general formula (I), LiMbFeMPMO, wherein M, M, M, a, b, c, d and e: M: Na, K, Rb and/or Cs, M: Mn, Mg, Ca, Ti, Co, Ni, Cr, V, M: Si, S, a: 0.8-1.9, b: 0-0.3, c: 0-0.9, d: 0.8-1.9, e: 0-0.5, x: 1.0-8, depending on the amount and oxidation state of Li, M, Fe, M, P, M, wherein compounds of general formula (I) are neutrally charged, comprising the following steps (A) providing a mixture comprising at least one lithium-comprising compound, at least one iron-comprising compound, in which iron has the oxidation state +3, and at least one M-comprising compound, if present, and/or at least one M-comprising compound, if present, and/or least one M-comprising compound, if present, and at least one reducing agent which is oxidized to at least one compound comprising at least one phosphorous atom in oxidation state +5, (B) optionally drying the mixture provided in step (A), in order to obtain a solid compound and (C) calcining the solid compound obtained from step (A) or (B) at a temperature of 300 to 1000&#xb0; C.

The present invention relates to a process for the preparation of compounds of general formula (I) LiMVM(PO)(I) with M: Na, K, Rb and/or Cs, M: Ti, Zr, Nb, Cr, Mn, Fe, Co, Ni, Al, Mg and/or Sc, a: 1.5-4.5, b: 0-0.6, c: 0-1.98 and x: number to equalize the charge of Li and V and Mand/or M, if present, wherein a&#x2212;b is &#x3e;0, by providing an essentially aqueous mixture comprising at least one lithium-comprising compound, at least one vanadium-comprising compound in which vanadium has the oxidation state +5 and/or +4, and at least one M-comprising compound, if present, and/or at least one M-comprising compound, if present, and at least one reducing agent which is oxidized to at least one compound comprising at least one phosphorous atom in oxidation state +5, drying and calcining.

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South Euclid, OH, United States of America

Brian Roberts