Patents by Inventor Jens Paulsen

Jens Paulsen 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).

  • Publication number: 20200006769
    Abstract: A crystalline precursor compound for manufacturing a lithium transition metal based oxide powder usable as an active positive electrode material in lithium-ion batteries, the precursor having a general formula M(O)x(OH)2-x-y(CO3)y, with 0<x?1, 0<y<0.03 and M=NiaMnbCocAd. A being a dopant, with 0.30?a<0.90, 0.10?b<0.40, 0.10?c<0.40, d<0.05 and a+b+c+d=1, the precursor having a Na content less than 200 ppm, a S content less than 250 ppm, the precursor having a specific surface area with a BET value expressed in m2/g and a tap density TD expressed in g/cm3, with a ratio BET/TD>30.104 cm5/g2.
    Type: Application
    Filed: March 14, 2017
    Publication date: January 2, 2020
    Inventors: Jens PAULSEN, Daniël NELIS, Jin HU, Liang ZHU, Eric ROBERT
  • Publication number: 20190386303
    Abstract: 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: Application
    Filed: July 25, 2019
    Publication date: December 19, 2019
    Inventors: Jens Paulsen, Heonpyo Hong, JinDoo Oh
  • Patent number: 10490807
    Abstract: 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: Grant
    Filed: March 3, 2015
    Date of Patent: November 26, 2019
    Assignees: Umicore, Umicore Korea Ltd.
    Inventors: Liang Zhu, Jens Paulsen, Hyo Sun Ahn, HeonPyo Hong
  • Patent number: 10411258
    Abstract: 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: Grant
    Filed: September 30, 2015
    Date of Patent: September 10, 2019
    Assignees: UMICORE, UMICORE KOREA LTD.
    Inventors: Jens Paulsen, HeonPyo Hong, JinDoo Oh
  • Publication number: 20190207246
    Abstract: A rechargeable lithium ion battery including: a positive electrode including coated particles, wherein each particle includes a core and a coating disposed thereon, wherein the core consists of Li, M, and O, and the coating includes Li, M, O, and Al2O3; wherein: M is (Niz(Ni1/2Mn1/2)yCox)1?kAk; 0.15?z?0.50; 0.17?x?0.30; 0.35?y?0.75; 0<k<0.1; x+y+z=1; and A includes Al and optionally at least one additional metal dopant selected from Mg, Zr, W, Ti, Cr, V, Nb, B, and Ca, and combinations thereof; and wherein the Li and M are present in the core in a molar ratio of Li to M of at least 0.95 and no greater than 1.
    Type: Application
    Filed: May 5, 2017
    Publication date: July 4, 2019
    Inventors: Jeffrey R. Dahn, Rajalakshmi Senthil Arumugam, Jens Paulsen, Xin Xia, Jing Zhang
  • Patent number: 10333135
    Abstract: A lithium transition metal oxide powder for a positive electrode material in a solid-state lithium ion battery, the powder consisting of particles having a core and a surface layer consisting of an inner and an outer layer, wherein the powder has a D50 between 35 and 60 ?m, wherein the core has the general formula LixCoO2 with 0.99<x<1.04 and wherein the inner surface layer comprises LiyNi1?a?bMnaCobO2, with 0<y<1, 0.3<a<0.8 and 0<b<0.3; and wherein the outer surface layer consists of discrete monolithic sub-micron sized particles having the general formula Li1+z(Ni1?m?nMnmCon)1?zO2, with 0?z?0.05, 0<m?0.50 and 0<n?0.70, preferably 0<n?0.30.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: June 25, 2019
    Assignees: UMICORE, UMICORE KOREA LTD.
    Inventors: Jens Paulsen, Xin Xia, Song-Yi Han, Jing Zhang
  • Publication number: 20190123347
    Abstract: The invention provides a positive electrode material for lithium ion batteries, comprising a lithium transition metal-based oxide powder having a general formula Li1+a ((Niz(Ni0.5Mn0.5)y Cox)1?kAk)1?aO2, wherein A is a dopant, with ?0.025?a?0.025, 0.15?x?0.22, 0.42?z?0.52, 1.075<z/y<1.300, x+y+z=1 and k?0.01. Different embodiments provide the following features: the lithium transition metal-based oxide powder has a carbon content ?1000 ppm or even ?400 ppm; the lithium transition metal-based oxide powder has a sulfur content between 0.05 and 1.0 wt %; a dopant A is Zr, and the powder further comprises up to 1 wt % of a coating comprising a boron compound and WO3.
    Type: Application
    Filed: December 18, 2018
    Publication date: April 25, 2019
    Inventors: JiHye Kim, Jens Paulsen, AReum Park, Dae-Hyun Kim, Hee-Sung Gil
  • Publication number: 20190109327
    Abstract: A positive electrode for a rechargeable battery comprising at least 95% active cathode material with an electrode loading of at least 6 mg/cm2, and preferably at least 10 mg/cm2, and an electrode porosity of less than 2%, and preferably less than 1%. The active cathode material may comprise a bimodal composition wherein at least 70% consists of a first lithium cobalt based oxide powder having an average particle size (D50) of at least 25 ?m and a BET value <0.2 m2/g, and a second lithium transition metal oxide based powder having the formula Li1+bN1?bO2, wherein 0.10?b?0.25, and N=NixMnyCo2Ad, wherein 0.10?x?0.40, 0.30?y?0.80, 0?z?0.20 and 0?d?0.10, A being a dopant, the second powder having an average particle size (D50) of less than 10 ?m.
    Type: Application
    Filed: December 6, 2018
    Publication date: April 11, 2019
    Inventors: Jens Paulsen, HyeYun Yang
  • Publication number: 20190074511
    Abstract: A crystalline precursor compound is described for manufacturing a lithium transition metal based oxide powder usable as an active positive electrode material in lithium-ion batteries, the precursor having a general formula Li1?a((Niz(Ni1/4 Mn1/4)y M?x)1?kAk)1+a02, wherein x+y+z=1, 0<x?0.2, 0.55<z?0.90, M? is either one or both of Co and Al, A is a dopant, 0?k?0.1, and 0.05?a?0.40, wherein the precursor an integrated intensity ratio I003/I104<1, wherein I003 and I104 are the peak intensities of the Bragg peaks (003) and (104) of the XRD pattern of the crystalline precursor compound. Also a method is described for manufacturing a positive electrode material having a general formula Li1?aM1?a?O2, with M=(Niz(Ni1/2 Mn1/2)y M?x)1?k Ak), wherein x+y+z=1, 0<x?0.2, 0.55<z?0.90, M? is either one or both of Co and Al, A is a dopant, 0?k?0.1 and 0.01<a?<0.10 by sintering the crystalline precursor compound in an oxidizing CO2-free atmosphere at a temperature T between 750 and 950° C.
    Type: Application
    Filed: August 25, 2016
    Publication date: March 7, 2019
    Inventors: Maxime BLANGERO, DongGun PARK, Jens PAULSEN, Jing ZHANG
  • Publication number: 20190051899
    Abstract: The invention provides a dual component lithium-rich layered oxide positive electrode material for a secondary battery, the material consisting of a single-phase lithium metal oxide with space group R-3m and having the general formula Li1+bN1?bO2, wherein 0.155?b?0.25 and N=NixMnyCOzZrcAd, with 0.10?x?0.40, 0.30?y?0.80, 0<z?0.20, 0.005?c?0.03, and 0?d?0.10, and wherein x+y+z+c+d=1, with A being a dopant comprising at least one element, and the material further consisting of a Li2ZrO3 component.
    Type: Application
    Filed: September 22, 2016
    Publication date: February 14, 2019
    Inventors: Xin XIA, Song-Yi HAN, Ji-Hye KIM, Jens PAULSEN
  • Patent number: 10193134
    Abstract: A sodium transition metal cathode material for a rechargeable sodium battery having a P2 layered bronze crystal structure, comprising at least 55 mol % manganese, wherein the manganese valence state is at least 3.75. The material undergoes a structural transformation to a secondary cathode material by extraction of sodium during the 1st charge of a rechargeable sodium battery comprising the sodium cathode material. The material has either a composition NaxMO2 where M=Mn1-y-zLiyAz where z<0.2 and y<0.33 and 0.66<x<0.95, and wherein A consists of either one of more elements of the group Ti, Fe, Ni, Mg and Co, or a composition NaxMO2 where M=LiaMn1-a-b-cMgbAc where 0<a<0.2, c<0.2 and 0.2<a+b<0.46 and 0.66<x<0.95, and wherein A consists of either one of more elements of the group Ti, Fe, Ni and Co.
    Type: Grant
    Filed: February 24, 2014
    Date of Patent: January 29, 2019
    Assignees: UMICORE, UMICORE KOREA LTD., TOKYO UNIVERSITY OF SCIENCE FOUNDATION
    Inventors: Jens Paulsen, Shinichi Komaba, Ryo Hara, Naoaki Yabuuchi, Masataka Kajiyama
  • Patent number: 10193151
    Abstract: A positive electrode for a rechargeable battery comprising at least 95% active cathode material with an electrode loading of at least 6 mg/cm2, and preferably at least 10 mg/cm2, and an electrode porosity of less than 2%, and preferably less than 1%. The active cathode material may comprise a bimodal composition wherein at least 70% consists of a first lithium cobalt based oxide powder having an average particle size (D50) of at least 25 ?m and a BET value <0.2 m2/g, and a second lithium transition metal oxide based powder having the formula Li1+bN1?bO2, wherein 0.10?b?0.25, and N=NixMnyCo2Ad, wherein 0.10?x?0.40, 0.30?y?0.80, 0<z?0.20 and 0?d?0.10, A being a dopant, the second powder having an average particle size (D50) of less than 10 ?m.
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: January 29, 2019
    Assignees: Umicore, Umicore Korea Ltd.
    Inventors: Jens Paulsen, HyeYun Yang
  • Publication number: 20190020019
    Abstract: The invention provides a positive electrode material for lithium ion batteries, comprising a lithium transition metal-based oxide powder having a general formula Li1+a((Niz(Ni0.5Mn0.5)y Cox)1?kAk)1?aO2, wherein A is a dopant, with ?0.025?a?0.025, 0.18?x?0.22, 0.42?z?0.52, 1.075<z/y<1.625, x+y+z=1 and k?0.01. Different embodiments provide the following features: the lithium transition metal-based oxide powder has a carbon content ?1000 ppm or even ?400 ppm; the lithium transition metal-based oxide powder has a sulfur content between 0.05 and 1.0 wt %; the powder further comprises between 0.15 and 5 wt % of a LiNaSO4 secondary phase.
    Type: Application
    Filed: June 26, 2018
    Publication date: January 17, 2019
    Inventors: JiHye Kim, Jens Paulsen, AReum Park, Dae-Hyun Kim, Hee-Sung Gil
  • Patent number: 10173896
    Abstract: An olivine cathode material having the formula LiaFe1?x?y?zMnxD(y+z)(PO4)c, wherein a, c, x, y and z represent molar amounts, wherein D=Mg and/or Cr, wherein y represent the amount of Mg and z represents the amount of Cr, wherein 1.04<a<1.15; wherein 0.97<(2*c/(a+1))<1.07; wherein 0.6<x<1?y?z; wherein 0<y+z<0.1. These material show improved cathode properties in lithium based rechargeable batteries.
    Type: Grant
    Filed: August 13, 2014
    Date of Patent: January 8, 2019
    Assignees: UMICORE, UMICORE KOREA LTD.
    Inventors: DaeHyun Kim, Jens Paulsen, Jing Zhang
  • Publication number: 20180351174
    Abstract: A crystalline precursor compound is described for manufacturing a lithium transition metal based oxide powder usable as an active positive electrode material in lithium-ion batteries, the precursor having a general formula Li1?a ((Niz(Ni1/2 Mn1/2)y Cox)1?k Ak)1+a O2, wherein x+y+z=1, 0.1?x?0.4, 0.25?z?0.55, A is a dopant, 0?k?0.1, and 0.04?a?0.50, wherein the pre cursor has a crystalline size L expressed in nm, with 77?(67*z)?L?97?(67*z). Also a method is described for manufacturing a positive electrode material having a general formula Li1?a? ((Niz (Ni1/2 Mn1/2)y Ak)1?a? O2, wherein x+y+z=1, 0.1?x?0.4, 0.25?z?0.55, A is a dopant, 0?k?0.1, and 0.01?a??0.10 by sintering the crystalline precursor compound in an oxidizing atmosphere at a temperature T between 800 and 1000° C., for a time t between 6 and 36 hrs.
    Type: Application
    Filed: August 25, 2016
    Publication date: December 6, 2018
    Inventors: Jens PAULSEN, JiHye KIM, Jin-Doo OH, Jing ZHANG
  • Patent number: 10147945
    Abstract: 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: Grant
    Filed: March 8, 2013
    Date of Patent: December 4, 2018
    Assignees: Umicore, Umicore Korea Ltd.
    Inventors: DaeHyun Kim, Jens Paulsen, HeonPyo Hong
  • Patent number: 10090518
    Abstract: A method for preparing a positive electrode material for a rechargeable lithium battery, comprising the steps of: —providing a Li metal (M) oxide electroactive material, —providing an inorganic oxidizing chemical compound, —providing a chemical that is a Li-acceptor, —mixing the Li metal (M) oxide, the oxidizing compound and the Li-acceptor, and —heating the mixture at a temperature between 200 and 800° C. in an oxygen comprising atmosphere. In an embodiment the positive electrode material comprises a Li metal (M) oxide electroactive material, and between 0.15 and 5 wt % of a LiNaS04 secondary phase. The Li metal oxide may have the general formula Li1+a?M1?aO2, with a?<a and 0.9?(1+a?)/(1?a)?1.15, and M=Ni1?x?yM?xCoy, with M?=Mni?zAIz, 0?z?1, 0.1?y?0.4 and x+y?0.5.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: October 2, 2018
    Assignees: Umicore, Umicore Korea, Ltd.
    Inventors: Dae-Hyun Kim, Jens Paulsen
  • Publication number: 20180269476
    Abstract: A powderous lithium metal oxide material having a cubic structure with space group Fd-3m and having the formula Li1?a[(NibMna1?b)1?xTixAy]2+aO4 with 0.005?x?0.018, 0?y?0.05, 0.01?a?0.03, 0.18?b?0.28, wherein A is one or more elements from the group of the metal elements excluding Li, Ni, Mn and Ti.
    Type: Application
    Filed: August 29, 2016
    Publication date: September 20, 2018
    Inventors: Xin XIA, Jens PAULSEN, Song-Yi HAN
  • Publication number: 20180254525
    Abstract: A lithium secondary cell having an operating voltage ?4.35 sV, comprising a cathode comprising a doped L1CoO2 active material, an anode comprising graphite, and an electrolyte comprising a carbonate-based solvent, a lithium salt and both a succinonitrile (SN) and a lithium bis(oxalato)borate (LiBOB) additive wherein during the discharge at 45° C. from a state of charge (SOC) of 100% at 4.5V to a SOC of 0 at 3V at a C/10 rate the difference of the SOC at 4.42V and 4.35V is at least 7% but less than 14%, and wherein the active material is doped by at least 0.5 mole % of either one or more of Mn, Mg and Ti.
    Type: Application
    Filed: September 15, 2016
    Publication date: September 6, 2018
    Inventors: Xin XIA, Maxime BLANGERO, Jing ZHANG, Wenlong YANG, Jens PAULSEN
  • Patent number: 10069140
    Abstract: A bimodal lithium transition metal oxide based powder for a rechargeable battery, comprising: a first lithium transition metal oxide based powder, either comprising a material having a layered crystal structure consisting of the elements Li, a metal M and oxygen, wherein the Li content is stoichiometrically controlled, wherein the metal M has the formula M=Co1?aM?a, with 0?a?0.05, and wherein M? is either one or more metals of the group consisting of Al, Ga and B; or comprising a core material and a surface layer, the core having a layered crystal structure consisting of the elements Li, a metal M and oxygen, wherein the Li content is stoichiometrically controlled, wherein the metal M has the formula M=Co1?aM?a, with 0?a?0.
    Type: Grant
    Filed: November 28, 2013
    Date of Patent: September 4, 2018
    Assignees: Umicore, Umicore Korea, Ltd.
    Inventors: Jens Paulsen, HyeYun Yang