Patents by Inventor Geoffroy Hautier
Geoffroy Hautier 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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Patent number: 11916190Abstract: A method for producing a solid electrolyte for an all-solid state battery, the solid electrolyte having the following chemical formula XM2(PS4)3, where X is lithium (Li), sodium (Na), silver (Ag) or magnesium (Mg0,5) and M is titanium (Ti), zirconium (Zr), germanium (Ge), silicon (Si), tin (Sn) or a mixture of X and aluminium (X+Al) and the method including: mixing powders so as to obtain a powder mixture; pressing a component with powder mixture; and sintering component for a period of time equal to or greater than 100 hours so as to obtain the solid electrolyte. The solid electrolyte exhibits the peaks in positions of 2?=13.64° (±1°), 13.76° (±1°), 14.72° (±1°), 15.36° (±1°), 15.90° (±1°), 16.48° (±1°), 17.42° (±1°), 17.56° (±1°), 18.58° (±1°), and 22.18° (±1°) in a X-ray diffraction measurement using CuK? line. The disclosure is also related to a method of producing a solid electrolyte.Type: GrantFiled: March 26, 2018Date of Patent: February 27, 2024Assignee: TOYOTA MOTOR EUROPEInventors: Yuki Katoh, Geoffroy Hautier, Davide Di Stefano, Yaroslav Filinchuk
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Patent number: 11370670Abstract: The present invention relates to a compound represented by the general formula Li2+2xM1?xZS4, wherein 0.3?x?0.9; wherein M is one or more elements selected from the group consisting of Pb, Mg, Ca, Ge and Sn; and wherein Z is one or more elements selected from the group consisting of Ge, Si, Sn and Al. The present invention also relates to a method for preparing the material of the present invention, comprising the steps of: (a) providing a mixture of lithium sulfide Li2S, sulfides MS and ZS2, in a stoichiometric ratio ensuring Li2+2xM1?xZS4 to be obtained, wherein M, Z and x are as defined above; (b) pelletizing the mixture prepared in step (a); (c) heating at a maximum plateau temperature. In still another aspect, the present invention relates to a use of the compound of the present invention as a solid electrolyte, in particular in an all solid-state lithium battery.Type: GrantFiled: July 5, 2017Date of Patent: June 28, 2022Assignee: TOYOTA MOTOR EUROPEInventors: Yuki Katoh, Geoffroy Hautier, Anna Miglio
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Patent number: 11063293Abstract: A compound represented by the general formula Li(Ti1-xZrx)2(PS4)3, wherein 0.01?x?0.25, and found to have high ionic conductivity; a use of the compound as a solid electrolyte, in particular in an all solid-state lithium battery.Type: GrantFiled: October 28, 2016Date of Patent: July 13, 2021Assignee: TOYOTA MOTOR EUROPEInventors: Yuki Katoh, Geoffroy Hautier, Anna Miglio
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Publication number: 20210155494Abstract: The present invention relates to a compound represented by the general formula Li2+2xM1-xZS4, wherein 0.3?x?0.9; wherein M is one or more elements selected from the group consisting of Pb, Mg, Ca, Ge and Sn; and wherein Z is one or more elements selected from the group consisting of Ge, Si, Sn and Al. The present invention also relates to a method for preparing the material of the present invention, comprising the steps of: (a) providing a mixture of lithium sulfide Li2S, sulfides MS and ZS2, in a stoichiometric ratio ensuring Li2+2xM1-xZS4 to be obtained, wherein M, Z and x are as defined above; (b) pelletizing the mixture prepared in step (a); (c) heating at a maximum plateau temperature. In still another aspect, the present invention relates to a use of the compound of the present invention as a solid electrolyte, in particular in an all solid-state lithium battery.Type: ApplicationFiled: July 5, 2017Publication date: May 27, 2021Inventors: Yuki KATOH, Geoffroy HAUTIER, Anna MIGLIO
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Patent number: 10957901Abstract: This disclosure provides a positive electrode active lithium-excess metal oxide with composition LixMyO2 (0.6?y?0.85 and 0?x+y?2) for a lithium secondary battery with a high reversible capacity that is insensitive with respect to cation-disorder. The material exhibits a high capacity without the requirement of overcharge during the first cycles.Type: GrantFiled: August 30, 2017Date of Patent: March 23, 2021Assignee: Massachusetts Institute of TechnologyInventors: Gerbrand Ceder, Jinhyuk Lee, Alexander Urban, Xin Li, Sangtae Kim, Geoffroy Hautier
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Publication number: 20210005925Abstract: A solid electrolyte material for a solid state battery (10) having the following chemical formula XM2(PS4)3, where P is phosphorus, S is sulfur and X is lithium (Li), sodium (Na), silver (Ag) or magnesium (Mg0.5) and M is titanium (Ti), zirconium (Zr), germanium (Ge), silicon (Si), tin (Sn) or a mixture of X and aluminium (X+Al) and exhibiting peaks in positions of 2?=13.64° (±1°), 16.48° (±1°) and 22.18° (±1°) in a X-ray diffraction measurement using CuK? line, where IA is the intensity in arbitrary units of the peak at 13.64° (±1°) and IB is the intensity in arbitrary units of a peak at 23.34° (±1°), (IA?IB)/(IA+IB)>0. The disclosure is also related to a solid electrolyte comprising the solid electrolyte material and a solid state battery comprising the solid electrolyte.Type: ApplicationFiled: March 26, 2018Publication date: January 7, 2021Inventors: Yuki KATOH, Geoffroy HAUTIER, Davide DISTEFANO, Yaroslav FILINCHUK
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Publication number: 20200411904Abstract: A method for producing a solid electrolyte for an all-solid state battery, the solid electrolyte having the following chemical formula XM2(PS4)3, where X is lithium (Li), sodium (Na), silver (Ag) or magnesium (Mg0.5) and M is titanium (Ti), zirconium (Zr), germanium (Ge), silicon (Si), tin (Sn) or a mixture of X and aluminium (X+Al) and the method including: mixing powders so as to obtain a powder mixture; pressing a component with powder mixture; and sintering component for a period of time equal to or greater than 100 hours so as to obtain the solid electrolyte. The solid electrolyte exhibits the peaks in positions of 2?=13.64° (±1°), 13.76° (±1°), 14.72° (±1°), 15.36° (±1°), 15.90° (±1°), 16.48° (±1°), 17.42° (±1°), 17.56° (±1°), 18.58° (±1°), and 22.18° (±1°) in a X-ray diffraction measurement using CuK? line. The disclosure is also related to a method of producing a solid electrolyte.Type: ApplicationFiled: March 26, 2018Publication date: December 31, 2020Applicant: TOYOTA MOTOR EUROPEInventors: Yuki KATOH, Geoffroy HAUTIER, Davide DI STEFANO, Yaroslav FILINCHUK
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Publication number: 20200185699Abstract: A method (100) for producing a sintered component being a solid electrolyte and/or an electrode including sulfur for an all-solid state battery, the method including mixing powders (102) so as to obtain a powder mixture, at least one of the powders comprising sulfur, pressing (106) a component with the powder mixture and sintering (108) the component under a partial pressure of sulfur comprised between 150 Pa and 0.2 MPa so as to obtain a sintered component comprising sulfur, the sintered component exhibiting the peaks in positions of 2?=15.08° (±0.50°), 15.28° (±0.50°), 15.92° (±0.50°), 17.5° (±0.50°), 18.24° (±0.50°), 20.30° (±0.50°, 23.44° (±0.50°), 24.48° (±0.50°), and 26.66° (±0.50°) in a X-ray diffraction measurement using CuK? line.Type: ApplicationFiled: August 4, 2017Publication date: June 11, 2020Applicant: TOYOTA MOTOR EUROPEInventors: Yuki KATOH, Geoffroy HAUTIER, Anna MIGLIO
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Publication number: 20190229369Abstract: A compound represented by the general formula Li(Ti1-xZrx)2(PS4)3, wherein 0.01?x?0.25, and found to have high ionic conductivity; a use of the compound as a solid electrolyte, in particular in an all solid-state lithium battery.Type: ApplicationFiled: October 28, 2016Publication date: July 25, 2019Applicant: TOYOTA MOTOR EUROPEInventors: Yuki KATOH, Geoffroy HAUTIER, Anna MIGLIO
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Publication number: 20180053934Abstract: This disclosure provides a positive electrode active lithium-excess metal oxide with composition LixMyO2 (0.6?y?0.85 and 0?x+y?2) for a lithium secondary battery with a high reversible capacity that is insensitive with respect to cation-disorder. The material exhibits a high capacity without the requirement of overcharge during the first cycles.Type: ApplicationFiled: August 30, 2017Publication date: February 22, 2018Inventors: Gerbrand Ceder, Jinhyuk Lee, Alexander Urban, Xin Li, Sangtae Kim, Geoffroy Hautier
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Patent number: 9780363Abstract: This disclosure provides a positive electrode active lithium-excess metal oxide with composition LixMyO2 (0.6?y?0.85 and 0?x+y?2) for a lithium secondary battery with a high reversible capacity that is insensitive with respect to cation-disorder. The material exhibits a high capacity without the requirement of overcharge during the first cycles.Type: GrantFiled: October 2, 2013Date of Patent: October 3, 2017Assignee: Massachusetts Institute of TechnologyInventors: Gerbrand Ceder, Jinhyuk Lee, Alexander Urban, Xin Li, Sangtae Kim, Geoffroy Hautier
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Patent number: 9172090Abstract: The present invention generally relates to certain lithium materials, including lithium manganese borate materials. Such materials are of interest in various applications such as energy storage. Certain aspects of the invention are directed to lithium manganese borate materials, for example, having the formula LixMny(BO3). In some cases, the lithium manganese borate materials may include other elements, such as iron, magnesium, copper, zinc, calcium, etc. The lithium manganese borate materials, according to one set of embodiments, may be present as a monoclinic crystal system. Such materials may surprisingly exhibit relatively high energy storage capacities, for example, at least about 96 mA h/g. Other aspects of the invention relate to devices comprising such materials, methods of making such materials, kits for making such materials, methods of promoting the making or use of such materials, and the like.Type: GrantFiled: May 5, 2011Date of Patent: October 27, 2015Assignee: Massachusetts Institute of TechnoloyInventors: Gerbrand Ceder, Jae Chul Kim, ByoungWoo Kang, Charles J. Moore, Geoffroy Hautier
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Patent number: 9159991Abstract: This invention relates generally to electrode materials, electrochemical cells employing such materials, and methods of synthesizing such materials. The electrode materials have a crystal structure with a high ratio of Li to metal M, which is found to improve capacity by enabling the transfer of a greater amount of lithium per metal, and which is also found to improve stability by retaining a sufficient amount of lithium after charging. Furthermore, synthesis techniques are presented which result in improved charge and discharge capacities and reduced particle sizes of the electrode materials.Type: GrantFiled: March 18, 2013Date of Patent: October 13, 2015Assignee: Massachusetts Institute of TechnologyInventors: Gerbrand Ceder, Anubhav Jain, Geoffroy Hautier, Jae Chul Kim, Byoungwoo Kang, Robert Daniel
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Patent number: 8999282Abstract: The present invention generally relates to carbophosphates and other compounds. Such compounds may be used in batteries and other electrochemical devices, or in other applications such as those described herein. One aspect of the invention is generally directed to carbophosphate compounds, i.e., compounds containing carbonate and phosphate ions. For example, according to one set of embodiments, the compound has a formula Ax(M)(PO4)a(CO3)b, where M comprises one or more cations. A may include one or more alkali metals, for example, lithium and/or sodium. In some cases, x is greater than about 0.1, a is between about 0.1 and about 5.1, and b is between about 0.1 and about 5.1. In certain embodiments, the compound may have a unit cell atomic arrangement that is isostructural to unit cells of the minerals sidorenkite, bonshtedtite, bradleyite, crawfordite, or ferrotychite.Type: GrantFiled: February 22, 2011Date of Patent: April 7, 2015Assignee: Massachusetts Institute of TechnologyInventors: Gerbrand Ceder, Hailong Chen, Robert E. Doe, Geoffroy Hautier, Anubhav Jain, ByoungWoo Kang
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Publication number: 20150023857Abstract: One embodiment provides a method, comprising: calculating, using at least one computer, a distance to a hull for an alloy XxY1-x in the range 0.01?x?0.99, where X and Y are perovskite materials; determining, using the at least one computer, a preferred phase for the alloy in the range 0.01?x?0.99; and selecting an alloy composition having the distance to the hull being less than 0.1 eV/atom and for which the preferred phase in at least a portion of the range 0.01?x?0.99 is a tetragonal phase. Piezoelectric materials as selected by the method are also provided.Type: ApplicationFiled: July 15, 2014Publication date: January 22, 2015Applicants: Massachusetts Institute of Technology, Central Michigan University, Robert Bosch LLC Research and Technology CenterInventors: Rickard Roberto ARMIENTO, Gerbrand CEDER, Marco FORNARI, Geoffroy HAUTIER, Boris KOZINSKY
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Publication number: 20140246619Abstract: In general, the invention relates to electrode materials, e.g., novel cathode materials with high density, low cost, and high safety. A voltage design strategy based on the mixing of different transition metals in crystal structures known to be able to accommodate lithium in insertion and delithiation is presented herein. By mixing a metal active on the +2/+3 couple (e.g., Fe) with an element active on the +3/+5 or +3/+6 couples (e.g., V or Mo), high capacity multi-electron cathodes are designed in an adequate voltage window.Type: ApplicationFiled: January 10, 2014Publication date: September 4, 2014Applicant: Massachusetts Institute of TechnologyInventors: Geoffroy Hautier, Anubhav Jain, Timothy Keith Mueller, Gerbrand Ceder
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Publication number: 20140099549Abstract: This disclosure provides a positive electrode active lithium-excess metal oxide with composition LixMyO2 (0.6?y?0.85 and 0?x+y?2) for a lithium secondary battery with a high reversible capacity that is insensitive with respect to cation-disorder. The material exhibits a high capacity without the requirement of overcharge during the first cycles.Type: ApplicationFiled: October 2, 2013Publication date: April 10, 2014Applicant: Massachusetts Institute of TechnologyInventors: Gerbrand Ceder, Jinhyuk Lee, Alexander Urban, Xin Li, Sangtae Kim, Geoffroy Hautier
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Publication number: 20130273425Abstract: This invention relates generally to electrode materials, electrochemical cells employing such materials, and methods of synthesizing such materials. The electrode materials have a crystal structure with a high ratio of Li to metal M, which is found to improve capacity by enabling the transfer of a greater amount of lithium per metal, and which is also found to improve stability by retaining a sufficient amount of lithium after charging. Furthermore, synthesis techniques are presented which result in improved charge and discharge capacities and reduced particle sizes of the electrode materials.Type: ApplicationFiled: March 18, 2013Publication date: October 17, 2013Inventors: Gerbrand Ceder, Anubhav Jain, Geoffroy Hautier, Jae Chul Kim, Byoungwoo Kang, Robert Daniel
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Publication number: 20130099174Abstract: The present invention generally relates to certain lithium materials, including lithium manganese borate materials. Such materials are of interest in various applications such as energy storage. Certain aspects of the invention are directed to lithium manganese borate materials, for example, having the formula LixMny(BO3). In some cases, the lithium manganese borate materials may include other elements, such as iron, magnesium, copper, zinc, calcium, etc. The lithium manganese borate materials, according to one set of embodiments, may be present as a monoclinic crystal system. Such materials may surprisingly exhibit relatively high energy storage capacities, for example, at least about 96 mA h/g. Other aspects of the invention relate to devices comprising such materials, methods of making such materials, kits for making such materials, methods of promoting the making or use of such materials, and the like.Type: ApplicationFiled: May 5, 2011Publication date: April 25, 2013Applicant: MASSACHUSETTS INSTITUTE OF TECHNOLOGYInventors: Gerbrand Ceder, Jae Chul Kim, ByoungWoo Kang, Charles J. Moore, Geoffroy Hautier
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Patent number: 8399130Abstract: This invention relates generally to electrode materials, electrochemical cells employing such materials, and methods of synthesizing such materials. The electrode materials have a crystal structure with a high ratio of Li to metal M, which is found to improve capacity by enabling the transfer of a greater amount of lithium per metal, and which is also found to improve stability by retaining a sufficient amount of lithium after charging. Furthermore, synthesis techniques are presented which result in improved charge and discharge capacities and reduced particle sizes of the electrode materials.Type: GrantFiled: August 16, 2010Date of Patent: March 19, 2013Assignee: Massachusetts Institute of TechnologyInventors: Gerbrand Ceder, Anubhav Jain, Geoffroy Hautier, Jae Chul Kim, Byoungwoo Kang, Robert Daniel