Abstract: A precursor compound for manufacturing a lithium transition metal based oxide powder usable as an active positive electrode material in lithium-ion batteries, the precursor being either one of a metal-bearing M?-hydroxide, -oxyhydroxide or -carbonate, with M?=Ni1-x-y-zMnxCOyAz with x>0, y>0, 0.70?1-x-y-z?0.95 and 0?z<0.1, the precursor comprising having a core comprising a metal-bearing compound M?c and a shell comprising a metal-bearing compound M?s, wherein M?c=Ni1-xc-yc-zcMnxcCOycAzc with 0<xc?0.2, 0<yc?0.2, 0?zc<0.1 and 0.75?1-x-y-z?0.95, and M?s=Ni1-xs-ys-zsMnxsCOysAzs with 0<xs?0.25, 0.75<ys?0.95, 0?zs<0.1 and 0?1-xs-ys-zs?0.10.

Abstract: A submicron sized Si based powder having an average primary particle size between 20 nm and 200 nm, wherein the powder has a surface layer comprising SiOx, with 0<x<2, the surface layer having an average thickness between 0.5 nm and 10 nm, and wherein the powder has a total oxygen content equal or less than 3% by weight at room temperature. The method for making the powder comprises a step where a Si precursor is vaporized in a gas stream at high temperature, after which the gas stream is quenched to obtain Si particles, and the Si particles are quenched at low temperature in an oxygen containing gas.

Abstract: The present invention relates to a composite metal oxide which comprises 80 to 97 wt %, in relation to the weight of the composite metal oxide, of one or more oxides of cerium and 3 to 20 wt %, in relation to the composite metal oxide of a metal oxide comprising tin oxide (SnO2) and lanthanum oxide (La2O3) and/or aluminum oxide (Al2O3), a composite material for the storage of nitrogen oxides which comprises such composite metal oxide and palladium, as well as an exhaust gas system containing said composite material.

Abstract: A precursor compound for manufacturing a lithium transition metal based oxide powder usable as an active positive electrode material in lithium-ion batteries, the precursor being either one of a metal-bearing M?-hydroxide, -oxyhydroxide or -carbonate, with M?=Ni1-x-y-zMnxCOyAz with x>0, y>0, 0.70?1-x-y-z?0.95 and 0?z<0.1, the precursor comprising having a core comprising a metal-bearing compound M?c and a shell comprising a metal-bearing compound M?s, wherein M?c=Ni1-xc-yc-zcMnxcCOycAzc with 0<xc?0.2, 0<yc?0.2, 0?zc<0.1 and 0.75?1-x-y-z?0.95, and M?s=Ni1-xs-ys-zsMnxsCOysAzs with 0<xs?0.25, 0.75<ys?0.95, 0?zs<0.1 and 0?1-xs-ys-zs?0.10.

Abstract: The present invention relates to a composite metal oxide which comprises 80 to 97 wt %, in relation to the weight of the composite metal oxide, of one or more oxides of cerium and 3 to 20 wt %, in relation to the composite metal oxide of a metal oxide comprising tin oxide (SnO2) and lanthanum oxide (La2O3) and/or aluminum oxide (AI2O3), a composite material for the storage of nitrogen oxides which comprises such composite metal oxide and palladium, as well as an exhaust gas system containing said composite material.

Abstract: The present invention relates to positive electrode active materials in rechargeable lithium-ion batteries having a difference in cobalt concentration between the center and the edge of particle.

Abstract: A submicron sized Si based powder having an average primary particle size between 20 nm and 200 nm, wherein the powder has a surface layer comprising SiOx, with 0<x<2, the surface layer having an average thickness between 0.5 nm and 10 nm, and wherein the powder has a total oxygen content equal or less than 3% by weight at room temperature. The method for making the powder comprises a step where a Si precursor is vaporized in a gas stream at high temperature, after which the gas stream is quenched to obtain Si particles, and the Si particles are quenched at low temperature in an oxygen containing gas.

Abstract: A production method for a composite of fine particles (A) and carbon particles (B), including the steps of: mixing fine particles (A) formed of a substance comprising at least one kind of Si, Sn, Al, Ge and In; and molten pitch, to obtain a mixture (1); pulverizing the mixture (1) to obtain a pulverized product (2a); dry-mixing the pulverized product (2a) and carbon particles (B) to obtain a mixture (3a); and firing the mixture (3a), followed by pulverization; or including the steps of: adding carbon particles (B) to the mixture (1), followed by dry mixing and pulverizing, to obtain a pulverized product (2b); and firing the pulverized product (2b), followed by pulverization.

Abstract: A particulate precursor compound for manufacturing a lithium transition metal (M)-oxide powder for use as an active positive electrode material in lithium-ion batteries, wherein (M) is NixMnyCozAv, A being a dopant, wherein 0.33?x?0.60, 0.20?y?0.33, and 0.20?z?0.33, v?0.05, and x+y+z+v=1, the precursor comprising Ni, Mn and Co in a molar ratio x:y:z and having a specific surface area BET in m2/g and a sulfur content S expressed in wt %, wherein formula (I).

Abstract: Composite powder for use in an anode of a lithium ion battery, whereby the particles of the composite powder comprise silicon-based domains in a matrix, whereby the individual silicon-based domains are either free silicon-based domains that are not or not completely embedded in the matrix or are fully embedded silicon-based domains that are completely surrounded by the matrix, whereby the percentage of free silicon-based domains is lower than or equal to 4 weight % of the total amount of Si in metallic or oxidized state in the composite powder.

Abstract: This invention relates to a negative electrode material for lithium-ion batteries comprising silicon and having a chemically treated or coated surface influencing the zeta potential of the surface. The active material consists of particles or particles and wires comprising a core comprising silicon, wherein the particles have a positive zeta potential in an interval between pH 3.5 and 9.5, and preferably between pH 4 and 9.5. The core is either chemically treated with an amino-functional metal oxide, or the core is at least partly covered with OySiHx groups, with 1<x<3, 1?y?3, and x>y, or is covered by adsorbed inorganic nanoparticles or cationic multivalent metal ions or oxides.

Abstract: An electrode assembly for a rechargeable Li-ion battery, comprising a current collector provided with an electrode composition comprising carboxymethyl cellulose (CMC) binder material and silicon powder provided with a layer of SiO2 or silicon suboxides SiOx, with 0<x?2, such that the oxygen content of said silicon is between 3 and 18% by weight.

Abstract: A submicron sized Si based powder having an average primary particle size between 20 nm and 200 nm, wherein the powder has a surface layer comprising SiOx, with 0<x<2, the surface layer having an average thickness between 0.5 nm and 10 nm, and wherein the powder has a total oxygen content equal or less than 3% by weight at room temperature. The method for making the powder comprises a step where a Si precursor is vaporized in a gas stream at high temperature, after which the gas stream is quenched to obtain Si particles, and the Si particles are quenched at low temperature in an oxygen containing gas.

Abstract: A submicron sized Si based powder having an average primary particle size between 20 nm and 200 nm, wherein the powder has a surface layer comprising SiOx, with 0<x<2, the surface layer having an average thickness between 0.5 nm and 10 nm, and wherein the powder has a total oxygen content equal or less than 3% by weight at room temperature. The method for making the powder comprises a step where a Si precursor is vaporized in a gas stream at high temperature, after which the gas stream is quenched to obtain Si particles, and the Si particles are quenched at low temperature in an oxygen containing gas.

Abstract: A particulate precursor compound for manufacturing a lithium transition metal (M)-oxide powder for use as an active positive electrode material in lithium-ion batteries, wherein (M) is NixMnyCozAv, A being a dopant, wherein 0.33?x?0.60, 0.20?y?0.33, and 0.20?z?0.33, v?0.05, and x+y+z+v=1, the precursor comprising Ni, Mn and Co in a molar ratio x:y:z and having a specific surface area BET in m2/g and a sulfur content S expressed in wt %, wherein formula (I).

Abstract: A carbonate precursor compound of a lithium manganese based oxide powder for a positive electrode of a rechargeable battery, the oxide having the general formula Li1+vM1?vO2, wherein ?0.03?v?0.25, wherein M is a composition comprising at least 50 mol % of manganese, and wherein the carbonate precursor compound has a secondary particle size D50 expressed in ?m, and a tap density TD expressed in g/cm3, with either 1?TD?(2.78*D50)/(D50+7.23) and the compound having a particle size distribution having a span S?1.8 with S=(D90?D10)/D50; or 1?TD?(2.78*D50)/(D50+7.50).

Abstract: Composite powder for use in an anode of a lithium ion battery, whereby the particles of the composite powder comprise silicon-based domains in a matrix, whereby the individual silicon-based domains are either free silicon-based domains that are not or not completely embedded in the matrix or are fully embedded silicon-based domains that are completely surrounded by the matrix, whereby the percentage of free silicon-based domains is lower than or equal to 4 weight % of the total amount of Si in metallic or oxidized state in the composite powder.

Abstract: This invention relates to a negative electrode material for lithium-ion batteries comprising silicon and having a chemically treated or coated surface influencing the zeta potential of the surface. The active material consists of particles or particles and wires comprising a core comprising silicon, wherein the particles have a positive zeta potential in an interval between pH 3.5 and 9.5, and preferably between pH 4 and 9.5. The core is either chemically treated with an amino-functional metal oxide, or the core is at least partly covered with OySiHx groups, with 1<x<3, 1?y?3, and x>y, or is covered by adsorbed inorganic nanoparticles or cationic multivalent metal ions or oxides.

Abstract: The invention relates to An active material for a rechargeable lithium ion battery, comprising metal (M) based particles and a silicon oxide SiOx with 0<x<2, wherein said SiOx is an intimate mixture of amorphous silicon (Si) and crystalline silicon dioxide (SiO2); wherein the metal (M) is preferably selected from the group consisting of Si, Sn, In, Al, Fe and combinations thereof.

Abstract: A carbonate precursor compound of a lithium manganese based oxide powder for a positive electrode of a rechargeable battery, the oxide having the general formula Li1+vM1?vO2, wherein ?0.03?v?0.25, wherein M is a composition comprising at least 50 mol % of manganese, and wherein the carbonate precursor compound has a secondary particle size D50 expressed in ?m, and a tap density TD expressed in g/cm3, with either ?TD?(2.78*D50)/(D50+7.23) and the compound having a particle size distribution having a span S?1.8 with S=(D90?D10)/D50; or 1?TD?(2.78*D50)/(D50+7.50).