Basf Se Corporation

Advanced Lithium Electrochemistry Co., Ltd.

Basf Schweiz Ag

Jordan Keith Lampert

Hartmut Hibst

Brian Roberts

Simon Schroedle

Martin Schulz-Dobrick

Klaus Leitner

Joerg Heilek

Bastian Ewald

Arnd Garsuch

Jörg Heilek

Kirill Bramnik

Itamar Michael Malkowsky

Ivan Petrovic

Aleksei Volkov

Olaf Kutzki

Ivana Krkljus

Markus Herklotz

Mark Schweter

Robert Glaum

Helmut Ehrenberg

Katharina Gerber

Frieder Scheiba

Simon SCHRÖDLE

Olaf Kutski

A mixture useful as an electrolyte in lithium ion batteries and use thereof are provided. Lithium ion batteries with good performance, especially good cyclability after prolonged operation are obtained. The mixture contains an aprotic organic solvent, a cyclic compound containing C-C-alkyl, C-C-alkoxy, C-C-cycloalkyl, benzyl or C-C-aryl, water, optionally an additive and a lithium salt.

Mixtures and use thereof in lithium ion batteries

The present invention relates to a process for producing electrode materials, which comprises the following steps:

Process for producing electrode materials

A process for producing electrode materials, which comprises treating a mixed oxide which comprises lithium and at least one transition metal as cations with at least one oxygen-containing organic compound of sulfur or phosphorus or a corresponding alkali metal or ammonium salt of an oxygen-containing organic compound of sulfur or phosphorus, or a fully alkylated derivative of an oxygen-containing compound of sulfur or phosphorus.

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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Electrochemical cells and use thereof

The present invention relates to a process for the preparation of compounds of general formula (I) LiMQMPMO(l), wherein Q has the oxidation state +2 and M, M, M,a, b, c, d, e and x are: Q: Fe, Mn, Co, Ni, M: Na, K, Rb and/or Cs, M: Mg, Al, Ca, Ti, Co, Ni, Cr, V, Fe, Mn, wherein Q and M2 are different from each other,M: Si, S, F 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, 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 Q-comprising compound, in which Q has at least partially an oxidation state higher than +2, 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, and (B) heating the mixture obtained in step (A) at a temperature of 100 to 500&#xb0; C. and at an autogeneous pressure to reduce Q to oxidation state +2 and to obtain a compound of general formula (I).

Synthesis of lithium-metal-phosphates under hydrothermal conditions

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

A process for preparing modified mixed transition metal oxides, which comprises treating a precursor of a mixed oxide which comprises lithium and at least two transition metals as cations with at least one substance which is selected from compounds of phosphorus, silicon, titanium, boron or aluminum having at least one phenoxy or alkoxy group or at least one halogen.

Process for preparing modified mixed transition metal oxides

The present invention relates to a process for the preparation of compounds of general formula (I) LiMFeMPMO, wherein Fe has the oxidation state +2 and M, M, M, a, b, c, d, e and x are: M: Na, K, Rb and/or Cs, M: Mn, Mg, Al, Ca, Ti, Co, Ni, Cr, V, M: Si, S, F 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, 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 0, 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 compound comprising at least one phosphorous atom in oxidation state +5, and (B) heating the mixture obtained in step (A) at a temperature of 100 to 500&#xb0; C. and at an autogeneous pressure to obtain a compound of general formula (I).

Synthesis of lithium-iron-phosphates under hydrothermal conditions

Process for preparing lithium mixed metal oxides which comprise essentially lithium, manganese, cobalt and nickel as metal atoms and have a stoichiometric ratio of lithium to the total transition metals of greater than 1, which comprises

Process for preparing lithium mixed metal oxides and their use as cathode material

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

A compound of the general formula (I)AMPO&#x2003;&#x2003;(I)in which the variables are each defined as follows:

Electrode material and use thereof for production of electrochemical cells

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) LMFeMPMO(I), wherein Fe has the oxidation state +2 and M, M, M, a, b, c, d, e and x are: M: Na, K, Rb and/or Cs, M: Mn, Mg, Al, Ca, Ti, Co, Ni, Cr, V, M: Si, S, F a: 0.8-1.9, b: 0-0.3, c: 0-0.9, 15 d: 0.8-1.9, e: 0-0.5, x: 1.0-8, depending on the amount and oxidation state of Li, M, 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, and (B) heating the mixture obtained in step (A) at a temperature of 100 to 500&#xb0; C. and at an autogeneous pressure to reduce Fe to oxidation state +2 and to obtain a compound of general Formula (I).

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Ludwigshafen, Germany

Jordan Keith Lampert