Patents by Inventor HeonPyo Hong
HeonPyo Hong 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).
-
Patent number: 11462735Abstract: A carbonate precursor compound for manufacturing a lithium metal (M)-oxide powder usable as an active positive electrode material in lithium-ion batteries, M comprising 20 to 90 mol % Ni, 10 to 70 mol % Mn and 10 to 40 mol % Co, the precursor further comprising a sodium and sulfur impurity, wherein the sodium to sulfur molar ratio (Na/S) is 0.4<Na/S<2. Thes lithium metal (M)-oxide powder has a particle size distribution with 10 ?m?D50?20 ?m, a specific surface with 0.9?BET?5, the BET being expressed in g/cm2, the powder further comprises a sodium and sulfur impurity, wherein the sum (2*Nawt)+Swt of the sodium (Nawt) and sulfur (Swt) content expressed in wt % is more than 0.4 wt % and less than 1.6 wt %, and wherein the sodium to sulfur molar ratio (Na/S) is 0.4<Na/S<2.Type: GrantFiled: July 25, 2019Date of Patent: October 4, 2022Assignees: Umicore, Umicore Korea Ltd.Inventors: Jens Paulsen, Heonpyo Hong, JinDoo Oh
-
Patent number: 11380882Abstract: A method for producing a M-carbonate precursor of a Li-M oxide cathode material in a continuous reactor, wherein M=NixMnyCozAn, A being a dopant, with x>0, y>0, 0?z?0.35, 0?n?0.02 and x+y+z+n=1, the method comprising the steps of: —providing a feed solution comprising Ni-, Mn-, Co- and A-ions, and having a molar metal content M? feed, —providing an ionic solution comprising either one or both of a carbonate and a bicarbonate solution, the ionic solution further comprising either one or both of Na- and K-ions, —providing a slurry comprising seeds comprising M?-ions and having a molar metal content M? seeds, wherein M?=Nix?Mny?Coz?A?n?, A? being a dopant, with 0?x??1, 0?y??1, 0?z??1, 0?n??1 and x?+y?+z?+n?=1, and wherein the molar ratio M? seeds/M? feed is between 0.001 and 0.Type: GrantFiled: September 30, 2015Date of Patent: July 5, 2022Assignees: UMICORE, UMICORE KOREA LTD.Inventors: Jin Hu, HeonPyo Hong, Jens Paulsen, JinDoo Oh, Daniël Nelis, Eric Robert
-
Publication number: 20190386303Abstract: A carbonate precursor compound for manufacturing a lithium metal (M)-oxide powder usable as an active positive electrode material in lithium-ion batteries, M comprising 20 to 90 mol % Ni, 10 to 70 mol % Mn and 10 to 40 mol % Co, the precursor further comprising a sodium and sulfur impurity, wherein the sodium to sulfur molar ratio (Na/S) is 0.4<Na/S<2. Thes lithium metal (M)-oxide powder has a particle size distribution with 10 ?m?D50?20 ?m, a specific surface with 0.9?BET?5, the BET being expressed in g/cm2, the powder further comprises a sodium and sulfur impurity, wherein the sum (2*Nawt)+Swt of the sodium (Nawt) and sulfur (Swt) content expressed in wt % is more than 0.4 wt % and less than 1.6 wt %, and wherein the sodium to sulfur molar ratio (Na/S) is 0.4<Na/S<2.Type: ApplicationFiled: July 25, 2019Publication date: December 19, 2019Inventors: Jens Paulsen, Heonpyo Hong, JinDoo Oh
-
Patent number: 10490807Abstract: A lithium metal oxide powder for use as a cathode material in a rechargeable battery, consisting of Li metal oxide core particles having a general formula Li1+d(NixMnyCozZrkM?m)i?dO2±eAr; wherein Al2O3 is attached to the surface of the core particles; wherein 0?d?0.08, 0.2?x?0.9, 0<y?0.7, 0<z?0.4, 0?m?0.02, 0<k?0.05, e<0.02, 0?f?0.02 and x+y+z+k+m=1; M? consisting of either one or more elements from the group Al, Mg, Ti, Cr, V, Fe and Ga; A consisting of either one or more elements from the group F, P, C, CI, S, Si, Ba, Y, Ca, B, Sn, Sb, Na and Zn; and wherein the Al2O3 content in the powder is between 0.05 and 1 wt %.Type: GrantFiled: March 3, 2015Date of Patent: November 26, 2019Assignees: Umicore, Umicore Korea Ltd.Inventors: Liang Zhu, Jens Paulsen, Hyo Sun Ahn, HeonPyo Hong
-
Patent number: 10411258Abstract: A carbonate precursor compound for manufacturing a lithium metal (M)-oxide powder usable as an active positive electrode material in lithium-ion batteries, M comprising 20 to 90 mol % Ni, 10 to 70 mol % Mn and 10 to 40 mol % Co, the precursor further comprising a sodium and sulfur impurity, wherein the sodium to sulfur molar ratio (Na/S) is 0.4<Na/S<2. The lithium metal (M)-oxide powder has a particle size distribution with 10 ?m?D50?20 ?m, a specific surface with 0.9?BET?5, the BET being expressed in g/cm2, the powder further comprises a sodium and sulfur impurity, wherein the sum (2*Nawt)+Swt of the sodium (Nawt) and sulfur (S wt) content expressed in wt % is more than 0.4 wt % and less than 1.6 wt %, and wherein the sodium to sulfur molar ratio (Na/S) is 0.4<Na/S<2.Type: GrantFiled: September 30, 2015Date of Patent: September 10, 2019Assignees: UMICORE, UMICORE KOREA LTD.Inventors: Jens Paulsen, HeonPyo Hong, JinDoo Oh
-
Patent number: 10147945Abstract: The invention discloses an olivine cathode material comprising Li, M and PO 4, having a non-stoichiometric composition wherein: —the phosphor stoichiometry PO 4:[(Li+M)/2] is between 0.940 and 1.020, —the lithium to metal ratio Li:M is between 1.040 and 1.150, and wherein M=Fe?x?z? Mn x D z?, with 0.10<x<0.90, z?>0, D being a dopant comprising either one or both of Cr and Mg. In one embodiment PO 4:[(Li+M)/2] is between 0.960 and 1.000, resulting in an even better performing material. Performance is improved even more in another embodiment wherein PO 4:[(Li+M)/2] is less than 1.000. Improvements in performance are also obtained for either an embodiment wherein the lithium to metal ratio Li:M is between 1.070 and 1.120; or an embodiment wherein the manganese to iron ratio Mn/(Mn+Fe) is between 0.25 and 0.75; or for another embodiment wherein z?<0.05.Type: GrantFiled: March 8, 2013Date of Patent: December 4, 2018Assignees: Umicore, Umicore Korea Ltd.Inventors: DaeHyun Kim, Jens Paulsen, HeonPyo Hong
-
Patent number: 9876226Abstract: Aluminum dry-coated and heat treated cathode material precursors. A particulate precursor compound for manufacturing an aluminum coatedlithium transition metal (M)-oxide powder usable as an active positive electrode material in lithium-ion batteries includes a transition metal (M)-oxide core and a non-amorphous aluminum oxide coating layercovering the core. By providing a heat treatment process for mixed metal precursors that may be combined with an aluminum dry-coating process, novel aluminum containing precursors that may be used to form high quality nickel based cathode materials are obtained. The aluminum dry-coated and heat treated precursors include particles have, compared to prior art precursors, relatively low impurity levels of carbonate and/or sulfide, and can be produced at lower cost.Type: GrantFiled: August 4, 2011Date of Patent: January 23, 2018Assignee: UmicoreInventors: Jens Paulsen, JiHye Kim, HeonPyo Hong
-
Publication number: 20170309909Abstract: A carbonate precursor compound for manufacturing a lithium metal (M)-oxide powder usable as an active positive electrode material in lithium-ion batteries, M comprising 20 to 90 mol % Ni, 10 to 70 mol % Mn and 10 to 40 mol % Co, the precursor further comprising a sodium and sulfur impurity, wherein the sodium to sulfur molar ratio (Na/S) is 0.4<Na/S<2. Theslithium metal (M)-oxide powder has a particle size distribution with 10 ?m?D50?20 ?m, a specific surface with 0.9?BET?5, the BET being expressed in g/cm2, the powder further comprises a sodium and sulfur impurity, wherein the sum (2* Nawt)+Swt of the sodium (Nawt) and sulfur (S wt) content expressed in wt % is more than 0.4 wt % and less than 1.6 wt %, and wherein the sodium to sulfur molar ratio (Na/S) is 0.4<Na/S<2.Type: ApplicationFiled: September 30, 2015Publication date: October 26, 2017Applicants: Umicore Korea Ltd., UmicoreInventors: Jens PAULSEN, HeonPyo HONG, JinDoo OH
-
Publication number: 20170309894Abstract: A method for producing a M-carbonate precursor of a Li-M oxide cathode material in a continuous reactor, wherein M=NixMnyCozAn, A being a dopant, with x>0, y>0, 0?z?0.35, 0?n?0.02 and x+y+z+n=1, the method comprising the steps of: —providing a feed solution comprising Ni-, Mn-, Co- and A-ions, and having a molar metal content M? feed, —providing an ionic solution comprising either one or both of a carbonate and a bicarbonate solution, the ionic solution further comprising either one or both of Na- and K-ions, —providing a slurry comprising seeds comprising M?-ions and having a molar metal content M? seeds, wherein M?=Nix?Mny?Coz?A?n?, A? being a dopant, with 0?x??1, 0?y??1, 0?z??1, 0?n??1 and x?+y?+z?+n?=1, and wherein the molar ratio M? seeds/M? feed is between 0.001 and 0.Type: ApplicationFiled: September 30, 2015Publication date: October 26, 2017Inventors: Jin HU, HeonPyo HONG, Jens PAULSEN, JinDoo OH, Daniël NELIS, Eric ROBERT
-
Patent number: 9614226Abstract: A lithium transition metal oxide powder for use in a rechargeable battery is disclosed, where the surface of the primary particles of said powder is coated with a first inner and a second outer layer, the second outer layer comprising a fluorine-containing polymer, and the first inner layer consisting of a reaction product of the fluorine-containing polymer and the primary particle surface. An example of this reaction product is LiF, where the lithium originates from the primary particles surface. Also as an example, the fluorine-containing polymer is either one of PVDF, PVDF-HFP or PTFE.Type: GrantFiled: October 19, 2010Date of Patent: April 4, 2017Assignee: UmicoreInventors: Jens Paulsen, Randy De Palma, HeonPyo Hong, KyuBo Kim
-
Publication number: 20170069907Abstract: A lithium metal oxide powder for use as a cathode material in a rechargeable battery, consisting of Li metal oxide core particles having a general formula Li1+d (Nix Mny Coz Zrk M?m)i?d 02±e Ar; wherein Al203 is attached to the surface of the core particles; wherein 0?d?0.08, 0.2?x?0.9, 0<y?0.7, 0<z?0.4, 0?m?0.02, 0<k?0.05, e<0.02, 0?f?0.02 and x+y+z?k+m=1; M? consisting of either one or more elements from the group Al, Mg, Ti, Cr, V, Fe and Ga; A consisting of either one or more elements from the group F, P, C, CI, S, Si, Ba, Y, Ca, B, Sn, Sb, Na and Zn; and wherein the Al203 content in the powder is between 0.05 and 1 wt %.Type: ApplicationFiled: March 3, 2015Publication date: March 9, 2017Inventors: Liang ZHU, Jens PAULSEN, Hyo Sun AHN, HeonPyo HONG
-
Patent number: 9543581Abstract: A particulate precursor compound for manufacturing an aluminum doped lithium transition metal (M)-oxide powder usable as an active positive electrode material in lithium-ion batteries includes a transition metal (M)-hydroxide or (M)-oxyhydroxide core and a non-amorphous aluminum oxide coating layer covering the core. By providing an aluminum dry-coating process where the particulate precursor core compound is mixed with alumina powder in one or more procedures, higher doping levels of aluminum compared to the known prior art may be achieved. The crystal structure of the alumina is maintained during the coating procedures and the core of each mixed transition metal precursor particle is surrounded by a coating layer containing crystalline alumina nano particles. The aluminum concentration in the particulate precursor decreases as the size of the core increases.Type: GrantFiled: August 4, 2011Date of Patent: January 10, 2017Assignee: UmicoreInventors: Jens Paulsen, JiHye Kim, HeonPyo Hong
-
Publication number: 20160218356Abstract: A water-based lithium ion battery cathode slurry comprising a cathode active material comprising a lithium transition metal oxide powder wherein the lithium transition metal oxide powder consists of agglomerates of primary particles, the primary particles comprising a coating layer comprising a polymer is proposed. The polymer is preferably a fluorine-containing polymer comprising at least 50 wt % of fluorine. The coating layer preferably comprises a first inner and a second outer coating layer, the flourine-containing polymer and the surface of the primary particles. The reaction product preferably comprises LiF.Type: ApplicationFiled: August 22, 2014Publication date: July 28, 2016Inventors: Jens PAULSEN, HeonPyo HONG, Hyo Sun AHN
-
Publication number: 20160006035Abstract: The invention discloses an olivine cathode material comprising Li, M and PO 4, having a non-stoichiometric composition wherein: —the phosphor stoichiometry PO 4:[(Li+M)/2] is between 0.940 and 1.020, —the lithium to metal ratio Li:M is between 1.040 and 1.150, and wherein M=Fe?x?z? Mn x D z?, with 0.10<x<0.90, z?>0, D being a dopant comprising either one or both of Cr and Mg. In one embodiment PO 4:[(Li+M)/2] is between 0.960 and 1.000, resulting in an even better performing material. Performance is improved even more in another embodiment wherein PO 4:[(Li+M)/2] is less than 1.000. Improvements in performance are also obtained for either an embodiment wherein the lithium to metal ratio Li:M is between 1.070 and 1.120; or an embodiment wherein the manganese to iron ratio Mn/(Mn+Fe) is between 0.25 and 0.75; or for another embodiment wherein z?<0.05.Type: ApplicationFiled: March 8, 2013Publication date: January 7, 2016Inventors: DaeHyun KIM, Jens PAULSEN, HeonPyo HONG
-
Patent number: 8852452Abstract: A lithium transition metal oxide powder for use in a rechargeable battery is disclosed, where the surface of the primary particles of said powder is coated with a LiF layer, where this layer consists of a reaction product of a fluorine-containing polymer and the primary particle surface. The lithium of the LiF originates from the primary particles surface. Examples of the fluorine-containing polymer are either one of PVDF, PVDF-HFP or PTFE. Examples of the lithium transition metal oxide are either one of —LiCodMeO2, wherein M is either one of both of Mg and Ti, with e<0.02 and d+e=1; —Li1+aM?1?aO2±bM1kSm with ?0.03<a<0.06, b<0.02, M? being a transition metal compound, consisting of at least 95% of either one or more elements of the group Ni, Mn, Co and Ti; M1 consisting of either one or more elements of the group Ca, Sr, Y, La, Ce and Zr, with 0?k?0.1 in wt %; and 0<m<0.6, m being expressed in mol %; and —LiaNixCOyM?zO2±eAf, with 0.9<a?<1.1, 0.5?x?0.9, 0<y?0.4, 0<z?0.35, e<0.Type: GrantFiled: October 19, 2010Date of Patent: October 7, 2014Assignee: UmicoreInventors: Jens Paulsen, Randy De Palma, HeonPyo Hong, KyuBo Kim
-
Publication number: 20130209885Abstract: A particulate precursor compound for manufacturing an aluminum doped lithium transition metal (M)-oxide powder usable as an active positive electrode material in lithium-ion batteries includes a transition metal (M)-hydroxide or (M)-oxy-hydroxide core and a non-amorphous aluminum oxide coating layer covering the core. By providing an aluminum thy-coating process where the particulate precursor core compound is mixed with alumina powder in one or more procedures, higher doping levels of aluminum compared to the known prior art may be achieved. The crystal structure of the alumina is maintained during the coating procedures and the core of each mixed transition metal precursor particle is surrounded by a coating layer containing crystalline alumina nano particles. The aluminum concentration in the particulate precursor decreases as the size of the core increases.Type: ApplicationFiled: August 4, 2011Publication date: August 15, 2013Inventors: Jens Paulsen, JiHye Kim, HeonPyo Hong
-
Publication number: 20130175469Abstract: Aluminum dry-coated and heat treated cathode material precursors. A particulate precursor compound for manufacturing an aluminum coated lithium transition metal (M)-oxide powder usable as an active positive electrode material in lithium-ion batteries includes a transition metal (M)-oxide core and a non-amorphous aluminum oxide coating layer covering the core. By providing a heat treatment process for mixed metal precursors that may be combined with an aluminum thy-coating process, novel aluminum containing precursors that may be used to form high quality nickel based cathode materials are obtained. The aluminum dry-coated and heat treated precursors include particles have, compared to prior art precursors, relatively low impurity levels of carbonate and/or sulfide, and can be produced at lower cost.Type: ApplicationFiled: August 4, 2011Publication date: July 11, 2013Inventors: Jens Paulsen, JiHye Kim, HeonPyo Hong
-
Patent number: 8343390Abstract: A powderous lithium transition metal oxide having a layered crystal structure Li1+aM1?aO2±bM?kSm with ?0.03<a<0.06, b?0, 0?m?0.6, m being expressed in mol %, M being a transition metal compound, consisting of at least 95% of either one or more elements of the group Ni, Mn, Co and Ti; M? being present on the surface of the powderous oxide, and consisting of either one or more elements of the group Ca, Sr, Y, La, Ce and Zr, wherein: either k=0 and M=Ni1?c?dMncCOd, with 0<c<1, and 0<d<1; or 0.015<k<0.15, k being expressed in wt % of said lithium transition metal oxide; characterized in that for said powderous oxide, the X-ray diffraction peak at 44.5±0.3 degree, having as index 104, measured with K alpha radiation, has a FWHM value of ?0.1 degree. By optimizing the sintering temperature of the metal oxide the FWHM value can be minimized.Type: GrantFiled: August 3, 2009Date of Patent: January 1, 2013Assignee: UmicoreInventors: Jens Martin Paulsen, Thomas Lau, HeonPyo Hong, JiHye Kim
-
Publication number: 20120270104Abstract: A lithium transition metal oxide powder for use in a rechargeable battery is disclosed, where the surface of the primary particles of said powder is coated with a first inner and a second outer layer, the second outer layer comprising a fluorine-containing polymer, and the first inner layer consisting of a reaction product of the fluorine-containing polymer and the primary particle surface. An example of this reaction product is LiF, where the lithium originates from the primary particles surface. Also as an example, the fluorine-containing polymer is either one of PVDF, PVDF-HFP or PTFE. Examples of the lithium transition metal oxide are either one of —LiCOdMeO2, wherein M is either one or both of Mg and Ti, with e<0.02 and d+e=1; —Li+aM?1?aO2±bM1kSm with ?0.03?a?0.06, b<0.02, M? being a transition metal compound, consisting of at least 95% of either one or more elements of the group Ni, Mn, Co, Mg and Ti; M1 consisting of either one or more elements of the group Ca, Sr, Y, La, Ce and Zr, with 0?k?0.Type: ApplicationFiled: October 19, 2010Publication date: October 25, 2012Inventors: Jens Paulsen, Randy De Palma, HeonPyo Hong, KyuBo Kim
-
Publication number: 20120261610Abstract: A lithium transition metal oxide powder for use in a rechargeable battery is disclosed, where the surface of the primary particles of said powder is coated with a LiF layer, where this layer consists of a reaction product of a fluorine-containing polymer and the primary particle surface. The lithium of the LiF originates from the primary particles surface. Examples of the fluorine-containing polymer are either one of PVDF, PVDF-HFP or PTFE. Examples of the lithium transition metal oxide are either one of —LiCodMeO2, wherein M is either one of both of Mg and Ti, with e<0.02 and d+e=1; —Li1+aM?1?aO2±bM1kSm with ?0.03<a<0.06, b<0.02, M? being a transition metal compound, consisting of at least 95% of either one or more elements of the group Ni, Mn, Co and Ti; M1 consisting of either one or more elements of the group Ca, Sr, Y, La, Ce and Zr, with 0?k?0.1 in wt %; and 0<m<0.6, m being expressed in mol %; and —LiaNixCOyM?zO2±eAf, with 0.9<a?<1.1, 0.5?x?0.9, 0<y?0.4, 0<z?0.35, e<0.Type: ApplicationFiled: October 19, 2010Publication date: October 18, 2012Inventors: Jens Paulsen, Randy De Palma, HeonPyo Hong, KyuBo Kim