Basf Se Corporation

Other

Aleksei Volkov

Oliver Wagner

Klaus Leitner

Jordan Keith Lampert

Thomas Michael Ryll

Ivana Krkljus

Ji-Yong Shin

Simon Schroedle

Martin Schulz-Dobrick

Jordan K Lampert

Carsten Sueling

Markus Hoelzle

Christoph Erk

Jacob Haag

Michael Eder

Carsten Süling

Bernhard Mientus

Simon SCHRÖDLE

Kai DÖRING

The present invention is directed towards a process for making a lithiated transition metal oxide, said process comprising the following steps:

Process for making lithiated transition metal oxides

Process for making a particulate material of general formula (I),Li(NiCoMnM)O&#x2003;&#x2003;(I)

Process for making cathode materials for lithium ion batteries

The present invention is directed towards a process for making a particulate material according to the general formula (I): NiCOMnM(O)(OH), wherein M is selected from Al and Ti, x is in the range of from 0.01 to 0.9, y is in the range of from 1.1 to 1.99, a is in the range of from 0.3 to 0.85, b is in the range of from 0.05 to 0.4, c is in the range of from 0.1 to 0.5, d is in the range of from 0.001 to 0.03, with a+b+c+d=1 said process comprising the following steps: (a) providing an aqueous slurry of particles of aluminum hydroxide or titanium dioxide, (b) adding an aqueous solution of water-soluble salts of nickel, cobalt and manganese and a solution of alkali metal hydroxide to the slurry according to step (a), thereby co-precipitating a layer of a mixed hydroxide of nickel and cobalt and manganese hydroxide on the particles according to step (a), (c) removing particles of (NiCOMnAl)(OH)or (NiCOMnTi)(OH)so obtained and drying them in the presence of oxygen.

Process for making a cathode active material and a precursor therefore, cathode active material and its use

Process for making a particulate material of general formula (I), wherein the integers are defined as follows: M is selected from Al and Ti, x is in the range of from 0.015 to 0.03, a is in the range of from 0.3 to 0.6, b is in the range of from 0.05 to 0.35, c is in the range of from 0.2 to 0.5, d is in the range of from 0.001 to 0.03, with a+b+c+d=1 said process comprising the following steps: (a) co-precipitating a mixed hydroxide of nickel, cobalt and manganese from a solution of water-soluble salts of nickel, cobalt and manganese by contacting such solution with a solution of alkali metal hydroxide, (b) adding an aqueous solution of an aluminate or titanate and thereby co-precipitating a layer of a mixed hydroxide of nickel and cobalt and manganese and aluminum or titanium on the particles formed in step (a), (c) removing particles of (NiCoMnAl)(OH)or (NiCoMnTi)(OH)so obtained and drying them in the presence of oxygen, (d) mixing the particles obtained in step (c) with at least one Li compound selected from LiO, LiOH and LiCO, (e) calcining the mixture obtained according to step (d) at a temperature in the range of from 920 to 950&#xb0; C.

Electrode materials comprising (a) at least one compound of general formula (I) Li[NiCOMnM1]O(I) the integers being defined as follows: x is in the range of from 0.01 to 0.05, a is in the range of from 0.3 to 0.6, b is in the range of from zero to 0.35, c is in the range of from 0.2 to 0.6, d is in the range of from zero to 0.05, a+b+c+d=1 Mis at least one metal selected from Ca, Zn, Fe, Ti, Ba, Al, (b) at least one compound of general formula (II) LiFeM2PO(II) y is in the range of from zero to 0.8 Mis at least one element selected from Ti, Co, Mn, Ni, V, Mg, Nd, Zn and Y, that contains at least one further iron-phosphorous compound, in form of a solid solution in compound (b) or in domains, (c) carbon in electrically conductive modification.

Electrode material including lithium transition metal oxide, lithium iron phosphate, further iron-phosphorous compound. and carbon, and lithium battery including the same

Electrode material comprising (a) at least one compound of general formula (I) LiFeMPO(I) y is in the range of from zero to 0.4 Mis at least one element selected from Co, Mn, Ni, V, Mg, Nd, Zn and Y, that contains at least one further iron-phosphorous compound, and in the range of from 0.05 to 0.25% by weight of sulphur and in the range of from 0.003 to 0.5% by weight of Ti, (b) carbon in electrically conductive modification.

Electrode materials, their manufacture and use

Electrode materials comprising (a) at least one component of general formula (I) Li[NiCOMnM1]O(I) the integers being defined as follows: x is in the range of from 0.01 to 0.05, a is in the range of from 0.3 to 0.6, b is in the range of from zero to 0.35, c is in the range of from 0.2 to 0.6, d is in the range of from zero to 0.05, a+b+c+d=1 Mis at least one metal selected from Ca, Zn, Fe, Ti, Ba, Al, (b) at least one component of general formula (II) LiFeMPO.m lithium phosphate (II) y is in the range of from zero to 0.8 Mis at least one element selected from Co, Mn, Ni, V, Mg, Nd, Zn, and Y, m is selected from 0.01 to 0.15 (c) carbon in electrically conductive modification.

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Ludwigshafen, Germany

Aleksei Volkov