Patents by Inventor Jakob Weiland Høj
Jakob Weiland Høj has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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High tap density lithium positive electrode active material, intermediate and process of preparation
Patent number: 11444279Abstract: A lithium positive electrode active material intermediate including less than 80 wt % spinel phase and a net chemical composition of LixNiyMn2-yO4-? wherein 0.9?x?1.1; 0.4?y?0.5; and 0.1??. Further, a process for the preparation of a lithium positive electrode active material with high tap density for a high voltage secondary battery where the cathode is fully or partially operated above 4.4 V vs. Li/Li+, comprising the steps of a)heating a precursor in a reducing atmosphere at a temperature of from 300° C. to 1200° C. to obtain a lithium positive electrode active material intermediate; b)heating the product of step a. in a non-reducing atmosphere at a temperature of from 300° C. to 1200° C.; wherein the mass of the product of step b. increases by at least 0.25% compared to the mass of the product of step a.Type: GrantFiled: April 3, 2020Date of Patent: September 13, 2022Assignee: HALDOR TOPSØE A/SInventors: Jon Fold Von Bülow, Søren Dahl, Jonathan Højberg, Jakob Weiland Høj -
Publication number: 20220013771Abstract: The present invention relates to a lithium positive electrode active material for a high voltage secondary battery, where the lithium positive electrode active material comprises at least 94 wt % spinel. The spinel has a net chemical composition of LixNiyMn2-yO4, wherein: 0.95?x?1.05; 0.43?y?0.47; and wherein the lithium positive electrode active material has a capacity of at least 138 mAh/g, wherein y is determined by means of a method selected from the group consisting of electrochemical determination, X-ray diffraction and scanning transmission electron microscopy (STEM) in combination with energy dispersive X-ray spectroscopy (EDS). The invention also relates to a process for preparation of a lithium positive electrode active material for a high voltage secondary battery of the invention as well as a secondary battery comprising a lithium positive electrode active material according to the invention.Type: ApplicationFiled: December 18, 2019Publication date: January 13, 2022Applicant: HALDOR TOPSØE A/SInventors: Jonathan HØJBERG, Jakob Weiland HØJ, Christian Fink ELKJÆR, Søren DAHL, Lars Fahl LUNDEGAARD
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Publication number: 20220013762Abstract: The invention relates to a lithium positive electrode active material for a high voltage secondary battery: the lithium positive electrode active material comprising at least 94 wt % spinel, where the spinel has a net chemical composition of LixNiyMn2-yO4, wherein: 0.95?x?1.05; 0.43?y?0.47. The lithium positive electrode active material is made up of particles characterized by one or more of the following parameter ranges: the particles have average aspect ratio below 1.6, the particles have a roughness below 1.35, particles have a circularity above 0.55. Then invention also relates to a process for the preparation of the lithium positive electrode active material as well as a secondary battery comprising the lithium positive electrode active material.Type: ApplicationFiled: December 18, 2019Publication date: January 13, 2022Applicant: HALDOR TOPSØE A/SInventors: Jonathan HØJBERG, Jakob Weiland HØJ, Christian Fink ELKJÆR, Lars Fahl LUNDEGAARD, Søren DAHL
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Publication number: 20210399298Abstract: The present invention relates to a lithium positive electrode active material for a high voltage secondary battery, where the lithium positive electrode active material comprising a spinel, and the spinel has a chemical composition of LixNiyMn2-yO4, wherein: 0.95?x?1.05; and 0.43?y?0.47. The lithium positive electrode active material is synthesized from precursors containing Li, Ni, and Mn in a ratio Li:Ni:Mn:X:Y:2?Y, wherein: 0.95?X?1.05; and 0.42?Y<0.5. The present invention also relates to a process of preparing the lithium positive electrode active material as well as a secondary battery comprising the lithium positive electrode active material.Type: ApplicationFiled: December 18, 2019Publication date: December 23, 2021Applicant: HALDOR TOPSØE A/SInventors: Jonathan HØJBERG, Jakob Weiland HØJ, Christian Fink ELKJÆR, Lars Fahl LUNDEGAARD, Søren DAHL
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Publication number: 20210130190Abstract: The invention relates to a lithium positive electrode active material for a high voltage secondary battery, where the cathode is fully or partially operated above 4.4 V vs. Li/Li+. The lithium positive electrode active material comprises at least 95 wt % spinel having a chemical composition of LixNiyMn2-y-zDzO4, wherein 0.9?x?1.1, 0.4?y?0.5, 0.02?z?0.2, wherein D is a dopant chosen between the following elements: Co, Cu, Ti, Zn, Mg, Fe or combinations thereof. The lithium positive electrode active material is a powder composed of secondary particles formed by primary particles, wherein said lithium positive electrode active material has a tap density of at least 1.9 g/cm3. The invention also relates to process for preparing the lithium positive electrode active material of the invention and a secondary battery comprising the lithium positive electrode active material of the invention.Type: ApplicationFiled: May 6, 2019Publication date: May 6, 2021Applicant: HALDOR TOPSØE A/SInventors: Jonathan HØJBERG, Søren DAHL, Jakob Weiland HØJ, Christian Fink ELKJÆR
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HIGH TAP DENSITY LITHIUM POSITIVE ELECTRODE ACTIVE MATERIAL, INTERMEDIATE AND PROCESS OF PREPARATION
Publication number: 20200243858Abstract: A lithium positive electrode active material intermediate including less than 80 wt % spinel phase and a net chemical composition of LixNiyMn2-yO4-? wherein 0.9?x?1.1; 0.4?y?0.5; and 0.1??. Further, a process for the preparation of a lithium positive electrode active material with high tap density for a high voltage secondary battery where the cathode is fully or partially operated above 4.4 V vs. Li/Li+, comprising the steps of a)heating a precursor in a reducing atmosphere at a temperature of from 300° C. to 1200° C. to obtain a lithium positive electrode active material intermediate; b)heating the product of step a. in a non-reducing atmosphere at a temperature of from 300° C. to 1200° C.; wherein the mass of the product of step b. increases by at least 0.25% compared to the mass of the product of step a.Type: ApplicationFiled: April 3, 2020Publication date: July 30, 2020Applicant: HALDOR TOPSØE A/SInventors: Jon Fold VON BÜLOW, Søren DAHL, Jonathan HØJBERG, Jakob Weiland HØJ -
Patent number: 10702855Abstract: Method of preparing monolithic SCR catalyst with a plurality of gas flow channels comprising the steps of (a) providing a monolithic shaped substrate with a plurality of parallel gas flow channels; (b) coating the substrate with a wash coat slurry comprising vanadium oxide precursor compounds and titania and optionally tungsten oxide precursor compounds; and (c) drying the thus coated substrate with a drying rate of 5 mm/min or less along flow direction through the gas flow channels; and (d) activating the dried coated substrate by calcining.Type: GrantFiled: November 17, 2016Date of Patent: July 7, 2020Assignee: UMICORE AG & CO. KGInventors: Jakob Weiland Høj, Peter Østergaard Vistisen
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High tap density lithium positive electrode active material, intermediate and process of preparation
Patent number: 10651467Abstract: A lithium positive electrode active material intermediate comprising less than 80 wt % spinel phase and a net chemical composition of LixNiyMn2-yO4-? wherein 0.9?x?1.1; 0.4?y?0.5; and 0.1??; where the lithium positive electrode active material intermediate has been heat treated in a reducing atmosphere at a temperature of from 300° C. to 1200° C. A process for the preparation of a lithium positive electrode active material with high tap density for a high voltage secondary battery where the cathode is fully or partially operated above 4.4 V vs. Li/Li+, comprising the steps of a) heating a precursor in a reducing atmosphere at a temperature of from 300° C. to 1200° C. to obtain a lithium positive electrode active material intermediate; b) heating the product of step a. in a non-reducing atmosphere at a temperature of from 300° C. to 1200° C.Type: GrantFiled: August 24, 2016Date of Patent: May 12, 2020Assignee: HALDOR TOPSØE A/SInventors: Jon Fold Von Bülow, Søren Dahl, Jonathan Højberg, Jakob Weiland Høj -
Patent number: 10601041Abstract: A lithium positive electrode active material including at least 95 wt % spinel having a chemical composition of LixNiyMn2-y-z1-z2D1z1D2z2O4, wherein 0.9?x?1.1, 0.4?y?0.5, 0.005?z1?0.2, 0?z2?0.2, wherein D1 and D2 are dopants chosen between the following elements: Co, Cu, Ti, Zn, Mg, Fe or combinations thereof. D1 and D2 are different dopants, and the lithium positive electrode active material is a powder composed of material particles, wherein the distribution of dopant D1 is non-uniform along a radial axis of the material particles and the distribution of the dopant D2 is substantially uniform along the radial axis of the material particles. Also, a process for preparing the lithium positive electrode active material and a secondary battery comprising the lithium positive electrode active material.Type: GrantFiled: April 1, 2019Date of Patent: March 24, 2020Assignee: HALDOR TOPSØE A/SInventors: Jonathan H∅jberg, Jakob Weiland Høj, Søren Dahl, Christian Fink ElkjÆr
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Patent number: 10525447Abstract: Method for the preparation of a catalyst comprising vanadium pentoxide supported on a metal oxide catalyst carrier comprising the steps of a) providing particles of crystalline vanadium pentoxide and particles of a metal oxide catalyst carrier; b) solid state mixing the particles and dispersing the vanadium pentoxide particles on surface of the metal oxide carrier particles; and c) anchoring the dispersed vanadium pentoxide particles on surface of the metal oxide carrier particles by calcination at a temperature above 500° C., characterized in that sintering of the vanadium pentoxide particles is suppressed by addition of an anti-sintering metal oxide component, such as tungsten trioxide, during the anchoring in step c).Type: GrantFiled: July 10, 2017Date of Patent: January 7, 2020Assignee: Umicore AG & Co. KGInventors: Jakob Weiland Høj, Pär L. T. Gabrielsson, Claus S. Jørgensen
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Publication number: 20190348674Abstract: A lithium positive electrode active material including at least 95 wt % spinel having a chemical composition of LixNiyMn2-y-z1-z2D1z1D2z2O4, wherein 0.9?x?1.1, 0.4?y?0.5, 0.005?z1?0.2, 0?z2?0.2, wherein D1 and D2 are dopants chosen between the following elements: Co, Cu, Ti, Zn, Mg, Fe or combinations thereof. D1 and D2 are different dopants, and the lithium positive electrode active material is a powder composed of material particles, wherein the distribution of dopant D1 is non-uniform along a radial axis of the material particles and the distribution of the dopant D2 is substantially uniform along the radial axis of the material particles. Also, a process for preparing the lithium positive electrode active material and a secondary battery comprising the lithium positive electrode active material.Type: ApplicationFiled: April 1, 2019Publication date: November 14, 2019Applicant: HALDOR TOPSØE A/SInventors: Jonathan HØJBERG, Jakob Weiland HØJ, Søren DAHL, Christian Fink ELKJÆR
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Publication number: 20190173084Abstract: The invention relates to a cathode active material for a high voltage secondary battery with a cathode arranged for being fully or mainly operated above 4.4 V vs. Li/Li+, wherein the cathode active material is an oxide that comprises sulfate as a capacity fade reducing compound. The invention also relates to a cathode active material for a high voltage secondary battery having the composition LixMyMn2?yO4?v(SO4)z, where 0.9?x?1.1, 0.4?y?0.5, 0<z?0.1, 0?v?z and M is a transition metal chosen from the group consisting of Ni, Mg, Ti, V, Cr, Fe, Co, Cu, Zn, Al, Ga, Rb, Ge, Mo, Nb, Zr, Si and combinations thereof, wherein the cathode active material comprises sulfate as a capacity fade reducing compound. Furthermore, the invention relates to a secondary battery comprising the cathode active material according to the invention, and to a method for preparing the cathode active materials of the invention.Type: ApplicationFiled: August 21, 2017Publication date: June 6, 2019Applicant: HALDOR TOPSØE A/SInventors: Søren DAHL, Jakob Weiland HØJ, Jonathan HØJBERG, Line Holten KOLLIN
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Publication number: 20190126244Abstract: Method for the preparation of a catalyst comprising vanadium pentoxide supported on a metal oxide catalyst carrier comprising the steps of a) providing particles of crystalline vanadium pentoxide and particles of a metal oxide catalyst carrier; b) solid state mixing the particles and dispersing the vanadium pentoxide particles on surface of the metal oxide carrier particles; and c) anchoring the dispersed vanadium pentoxide particles on surface of the metal oxide carrier particles by calcination at a temperature above 500° C., characterized in that sintering of the vanadium pentoxide particles is suppressed by addition of an anti-sintering metal oxide component, such as tungsten trioxide, during the anchoring in step c).Type: ApplicationFiled: July 10, 2017Publication date: May 2, 2019Applicant: Umicore AG & Co. KGInventors: Jakob Weiland Høj, Pär L.T. Gabrielsson, Claus S. Jørgensen
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HIGH TAP DENSITY LITHIUM POSITIVE ELECTRODE ACTIVE MATERIAL, INTERMEDIATE AND PROCESS OF PREPARATION
Publication number: 20190006668Abstract: A lithium positive electrode active material intermediate comprising less than 80 wt % spinel phase and a net chemical composition of LixNiyMn2-yO4-? wherein 0.9?x?1.1; 0.4?y?0.5; and 0.1??; where the lithium positive electrode active material intermediate has been heat treated in a reducing atmosphere at a temperature of from 300° C. to 1200° C. A process for the preparation of a lithium positive electrode active material with high tap density for a high voltage secondary battery where the cathode is fully or partially operated above 4.4 V vs. Li/Li+, comprising the steps of a) heating a precursor in a reducing atmosphere at a temperature of from 300° C. to 1200° C. to obtain a lithium positive electrode active material intermediate; b) heating the product of step a. in a non-reducing atmosphere at a temperature of from 300° C. to 1200° C.Type: ApplicationFiled: August 24, 2016Publication date: January 3, 2019Applicant: HALDOR TOPSOE A/SInventors: Jon Fold VON BÜLOW, Søren DAHL, Jonathan HØJBERG, Jakob Weiland HØJ -
Publication number: 20180333698Abstract: Method of preparing monolithic SCR catalyst with a plurality of gas flow channels comprising the steps of (a) providing a monolithic shaped substrate with a plurality of parallel gas flow channels; (b) coating the substrate with a wash coat slurry comprising vanadium oxide precursor compounds and titania and optionally tungsten oxide precursor compounds; and (c) drying the thus coated substrate with a drying rate of 5 mm/min or less along flow direction through the gas flow channels; and (d) activating the dried coated substrate by calcining.Type: ApplicationFiled: November 17, 2016Publication date: November 22, 2018Applicant: UMICORE AG & CO. KGInventors: Jakob Weiland HØJ, Peter Østergaard VISTISEN
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Publication number: 20180318796Abstract: Method of preparing a monolithic SCR catalyst with a plurality of gas flow channels comprising the steps of (a) providing a monolithic shaped substrate with a plurality of parallel gas flow channels; (b) coating the substrate with a washcoat slurry comprising titania; (c) drying and calcining the washcoat slurry; (d) impregnating the dried and calcined washcoat with an 10 aqueous impregnation solution comprising a precursor of a vanadium oxide; (e) drying the thus coated and impregnated washcoat at a drying rate of 5 mm/min or less along flow direction through the gas flow channels; and 15 (f) activating the dried, coated and impregnated washcoat by calcining.Type: ApplicationFiled: November 17, 2016Publication date: November 8, 2018Inventors: Jakob Weiland Høj, Peter Østergaard Vistisen
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Patent number: 7431904Abstract: The present invention relates to a catalyst support material and catalysts made therefrom having improved resistance towards erosion. The catalyst support contains at least 20% by weight of TiO2 being present mainly in the anatase form. Furthermore, the catalyst support contains diatomaceous earth in an amount of at least 2% and less than 80% by weight of the catalyst support. In one embodiment catalysts made from said catalyst support contain oxides or sulfates of base metals from the group of V, W, Mn, Nb, Mo, Ni, Fe or Cu. Another option is a catalyst prepared from said catalyst support containing Pt or Pd. Said catalysts are used for treatment of a flue gas. More specifically the catalyst supports prepared according to the present invention and showing improved resistance towards erosion are used in flue gas containing a large amount of particulate matter and for selective catalytic reduction of nitrous oxides.Type: GrantFiled: October 14, 2004Date of Patent: October 7, 2008Assignee: Haldor Topsoe A/SInventors: Jakob Weiland Høj, Claus S. Jørgensen