Patents by Inventor Gerbrand Ceder

Gerbrand Ceder 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: 20200328421
    Abstract: A sodium-ion battery includes an electrode having a crystalline active material represented by formula units that intercalate and/or deintercalate charge carriers during operation of the battery. In some instances, the active material that experiences a volume change of less than 6.0%, 4.0%, or even 2.0% when the active material intercalates charge carriers during operation of the battery.
    Type: Application
    Filed: April 10, 2019
    Publication date: October 15, 2020
    Inventors: Gerbrand Ceder, Haegyeom Kim
  • Publication number: 20200308000
    Abstract: A compound of Formula I: NaxMnaMb(PO4-?)3??(I) wherein M is V, Nb, Ga, Cr, Ti, Zr, or a combination thereof, a is equal to or greater than 0.8 to equal to or less than 1.5, b is equal to or greater than 0.5 to equal to or less than 1.2, x is greater than 0 to equal to or less than 4, ? is equal to or greater than 0 to equal to or less than 1, and a sum of a and b is 2.
    Type: Application
    Filed: November 6, 2019
    Publication date: October 1, 2020
    Applicants: Samsung Electronics Co., Ltd., The Regents of the University of California
    Inventors: Yan Wang, Dong-Hwa Seo, Jingyang Wang, Gerbrand Ceder
  • Publication number: 20200220159
    Abstract: A positive electrode for a solid-state lithium battery, the positive electrode including: a positive active material; and a first solid electrolyte, wherein a ratio ? of an average particle diameter of the positive active material to an average particle diameter of the first solid electrolyte is 3???40, wherein the positive active material has an average particle diameter of 1 nm to 30 ?m, and wherein the first solid electrolyte has an average particle diameter of 0.1 ?m to 4 ?m.
    Type: Application
    Filed: July 2, 2019
    Publication date: July 9, 2020
    Applicants: Samsung Electronics Co., Ltd., The Regents of the University of California
    Inventors: Qingsong Tu, Tan Shi, Gerbrand Ceder, Lincoln Miara
  • Publication number: 20200194790
    Abstract: The present invention relates to fluorine substituted cation-disordered lithium metal oxides for high capacity lithium-ion battery electrodes suitable for use in lithium-ion rechargeable batteries having a general formula: Li1+xM1?xO2?yFy, wherein 0.05?x?0.3 and 0<y?0.3 and M is a transition metal, such as Ti, V, Cr, Mn, Fe, Co, Ni, Zr, Nb, Mo, Sn, Sb, and combinations thereof. The fluorine-substituted cation-disordered materials of the present invention demonstrate improved electrochemical performance, showing high capacity and high voltage. The present invention also relates to methods of making the fluorine-substituted cation-disordered materials.
    Type: Application
    Filed: April 5, 2018
    Publication date: June 18, 2020
    Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Gerbrand CEDER, Jinhyuk LEE
  • Publication number: 20200144662
    Abstract: Provided is a lithium-conductive solid-state electrolyte material that comprises a sulfide compound of a composition that does not deviate substantially from a formula of Li9S3N. The compound's conductivity is greater than about 1×10?7 S/cm at about 25° C. and is in contact with a negative electroactive material. Also provided is an electrochemical cell that includes an anode layer, a cathode layer, and the electrolyte layer between the anode and cathode layers. In an example, the material's activation energy can be no greater than about 0.52 eV at about 25° C.
    Type: Application
    Filed: December 19, 2019
    Publication date: May 7, 2020
    Inventors: Lincoln J. Miara, Naoki Suzuki, William D. Richards, Yan E. Wang, Jae Chul Kim, Gerbrand Ceder
  • Publication number: 20200112048
    Abstract: A sodium-ion battery includes an electrode having a crystalline active material represented by formula units that intercalate and/or deintercalate more than two charge carriers during operation of the battery. In some instances, the active material that experiences a volume change of less than 6.0%, 4.0%, or even 2.0% when the active material intercalates more than two charge carriers during operation of the battery.
    Type: Application
    Filed: February 5, 2018
    Publication date: April 9, 2020
    Inventors: Matteo Bianchini, Gerbrand Ceder
  • Publication number: 20200099042
    Abstract: A lithium metal oxide suitable for use as a cathode material in a rechargeable battery having a general formula of: LixMzM?zOuFy, where x is 1.80<x<2.20, y=1, and more specifically 1.90<x<2.10, with 1.80<u<2.20. Preferably, 1.90<u<2.10, and 0.80<y<1.20, or more specifically, 0.90<y<1.10. The lithium metal oxide has a cation-disordered rocksalt structure, wherein M is a transition metal selected from a first group consisting of Ni, Mn, Co, Fe, and combinations thereof. M? is a transition metal selected from a second group consisting of Ti, Zr, Nb, Mo, Sn, Hf, Te, Sb, and combinations thereof. M has a first oxidation state q and M? has a second oxidation state q?, with (q/z)+(q?/z?)=+3, preferably +2.7?q/z)+(q?/z?)?+3.3.
    Type: Application
    Filed: June 7, 2018
    Publication date: March 26, 2020
    Inventors: GERBRAND CEDER, JINHYUK LEE
  • Patent number: 10566653
    Abstract: Provided is a lithium-conductive solid-state electrolyte material that comprises a sulfide compound of a composition that does not deviate substantially from a formula of Li9S3N. The compound's conductivity is greater than about 1×10?7 S/cm at about 25° C. and is in contact with a negative electroactive material. Also provided is an electrochemical cell that includes an anode layer, a cathode layer, and the electrolyte layer between the anode and cathode layers. In an example, the material's activation energy can be no greater than about 0.52 eV at about 25° C.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: February 18, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., MASSACHUSETTS INSTITUTE OF TECHNOLOGY
    Inventors: Lincoln J. Miara, Naoki Suzuki, William D. Richards, Yan E. Wang, Jae Chul Kim, Gerbrand Ceder
  • Patent number: 10446872
    Abstract: A solid electrolyte material represented by Formula 1: L1+2x(M1)1?x(M2)(M3)4??Formula 1 wherein 0.25<x<1, L is at least one element selected from a Group 1 element, M1 is at least one element selected from a Group 2 element, a Group 3 element, a Group 12 element, and a Group 13 element, M2 is at least one element selected from a Group 5 element, a Group 14 element, and a Group 15 element, and M3 is at least one element selected from a Group 16 element, and wherein the solid electrolyte material has an I-4 crystal structure.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: October 15, 2019
    Assignees: SAMSUNG ELECTRONICS CO., LTD., MASSACHUSETTS INSTITUTE OF TECHNOLOGY
    Inventors: Gerbrand Ceder, Jaechul Kim, Lincoln Miara, William Richards, Tomoyuki Tsujimura, Yan Wang, Naoki Suzuki
  • Patent number: 10431822
    Abstract: The present invention generally relates to P2-type layered materials for electrochemical devices such as Na-ion batteries with high rate performance, and methods of making or using such materials. In some embodiments, the P2-type layered material has the chemical formula NaX(MnQFeRCoT)O2. The P2-type layered material may be synthesized, for example, by a solid state reaction. In some cases, the P2-type layered material may be used as an electrode in an electrochemical device. The electrochemical device may have higher initial discharge capacities at various charge/discharge rates in galvanostatic testing compared with the initial discharge capacities of other P2-type layered materials.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: October 1, 2019
    Assignee: Massachusetts Institute of Technology
    Inventors: Gerbrand Ceder, Lei Liu
  • Publication number: 20190280326
    Abstract: A sodium-ion battery includes an electrode and a passivation layer on the electrode material.
    Type: Application
    Filed: March 8, 2019
    Publication date: September 12, 2019
    Inventors: Gerbrand Ceder, YaoSen Tian, YingZhi Sun, Daniel C. Hannah, Shou-Hang Bo
  • Patent number: 10324138
    Abstract: Embodiments of a method, a system, and non-transitory computer readable storage media evaluating electrochemical qualities for interphase products. The disclosed embodiments perform a selection of a plurality of chemical phases for a solid electrolyte and at least one of the anode and cathode to be received. Thermodynamic data is received for the plurality of chemical phases. The retrieved thermodynamic data is received to evaluate a respective electrochemical quality for at least one of an interface between the solid electrolyte and the anode, and an interface between the solid electrolyte and the cathode.
    Type: Grant
    Filed: November 15, 2016
    Date of Patent: June 18, 2019
    Assignee: MASSACHUSETTES INSTITUTE OF TECHNOLOGY
    Inventors: William D. Richards, Lincoln J. Miara, Yan E. Wang, Jae Chul Kim, Gerbrand Ceder
  • Publication number: 20190140265
    Abstract: A positive electrode active material includes a core and a coating disposed on at least a portion of a surface of the core. The core includes a lithium metal oxide, a lithium metal phosphate, or a combination thereof. The coating includes a compound according to the formula LimM1nXp, wherein M1, X, m, n and p are as defined herein. Also, an electrochemical cell including the positive electrode active material, and methods for the manufacture of the positive electrode active material and the electrochemical cell.
    Type: Application
    Filed: May 3, 2018
    Publication date: May 9, 2019
    Inventors: Lincoln Miara, Yan Wang, Tomoyuki Tsujimura, Yuichi Aihara, William Richards, Gerbrand Ceder
  • Publication number: 20190088940
    Abstract: Embodiments related to cation-disordered lithium metal oxide compounds, their methods of manufacture, and use are described. In one embodiment, a cation-disordered lithium metal oxide includes LiaMbM?cO2 with a greater than 1. M includes at least one redox-active species with a first oxidation state n and an oxidation state n? greater than n, and M is chosen such that a lithium-M oxide having a formula LiMO2 forms a cation-disordered rocksalt structure. M? includes at least one charge-compensating species that has an oxidation state y that is greater than n.
    Type: Application
    Filed: August 25, 2016
    Publication date: March 21, 2019
    Applicant: Massachusetts Institute of Technology
    Inventors: Gerbrand Ceder, Jinhyuk Lee, Dong-Hwa Seo
  • Publication number: 20190088945
    Abstract: A disordered rocksalt lithium metal oxide and oxyfluoride as in manganese-vanadium oxides and oxyfluorides well suited for use in high capacity lithium-ion battery electrodes such as those found in lithium-ion rechargeable batteries. A lithium metal oxide or oxyfluoride example is one having a general formula: LixM?aM?bO2-yFy, with the lithium metal oxide or oxyfluoride having a cation-disordered rocksalt structure of one of (a) or (b), with (a) 1.09?x?1.35, 0.1?a?0.7, 0.1?b?0.7, and 0?y<0.7; M? is a low valent transition metal and M? is a high-valent transition metal; and (b) 1.1?x?1.33, 0.1?a?0.41, 0.39?b?0.67, and 0?y?0.3; M? is Mn; and M? is V or Mo. The oxides or oxyfluorides balance accessible Li capacity and transition metal capacity. An immediate application example is for high energy density Li-cathode battery materials, where the cathode energy is a key limiting factor to overall performance. The second structure (b) is optimized for maximal accessible Li capacity.
    Type: Application
    Filed: September 18, 2018
    Publication date: March 21, 2019
    Applicants: The Regents of the University of California, Massachusetts Institute Of Technology
    Inventors: Gerbrand CEDER, HuiWen JI, Zhengyan LUN, William RICHARDS, Daniil Kitchaev
  • Patent number: 10177406
    Abstract: Solid electrolyte materials as well as their applications and methods of manufacture are disclosed. In one embodiment, a solid electrolyte material has a formula of A3+?Cl1??B?O, where ? is greater than 0. In the above formula, A is at least one of Li and Na, and B is at least one of S, Se, and N. In another embodiment, a solid electrolyte material is a crystal structure having the general formula A3XO, where A is at least one of Li and Na. Additionally, X is Cl, at least a portion of which is substituted with at least one of S, Se, and N. The solid electrolyte material also includes interstitial lithium ions and/or interstitial sodium ions located in the crystal structure.
    Type: Grant
    Filed: May 16, 2016
    Date of Patent: January 8, 2019
    Assignees: SAMSUNG ELECTRONICS CO., LTD., MASSACHUSETTS INSTITUTE OF TECHNOLOGY
    Inventors: Lincoln J. Miara, William D. Richards, Yan E. Wang, Jae Chul Kim, Gerbrand Ceder
  • Publication number: 20180351207
    Abstract: A solid electrolyte material is of the formula A7±2xP3X((11±x)?y)Oy wherein wherein A is Li or Na, wherein X is S, Se, or a combination thereof, provided that when M is Li, X is Se, and wherein 0?x?0.25 and 0?y?2.5. Also, an electrochemical cell including the solid electrolyte material, and methods for the manufacture of the solid electrolyte material and the electrochemical cell.
    Type: Application
    Filed: April 30, 2018
    Publication date: December 6, 2018
    Inventors: Yan Wang, Lincoln Miara, Gerbrand Ceder, William D. Richards
  • Publication number: 20180294533
    Abstract: An energy storage device configured to exchange energy with an external device includes a container having walls, a lid covering the container and having a safety pressure valve, a negative electrode disposed away from the walls of the container, a positive electrode in contact with at least a portion of the walls of the container, and an electrolyte contacting the negative electrode and the positive electrode at respective electrode/electrolyte interfaces. The negative electrode, the positive electrode and the electrolyte include separate liquid materials within the container at an operating temperature of the battery.
    Type: Application
    Filed: June 8, 2018
    Publication date: October 11, 2018
    Inventors: David J. Bradwell, Gerbrand Ceder, Luis A. Ortiz, Donald R. Sadoway
  • Patent number: 9997808
    Abstract: An energy storage device configured to exchange energy with an external device includes a container having walls, a lid covering the container and having a safety pressure valve, a negative electrode disposed away from the walls of the container, a positive electrode in contact with at least a portion of the walls of the container, and an electrolyte contacting the negative electrode and the positive electrode at respective electrode/electrolyte interfaces. The negative electrode, the positive electrode and the electrolyte include separate liquid materials within the container at an operating temperature of the battery.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: June 12, 2018
    Assignee: Massachusetts Institute of Technology
    Inventors: David J. Bradwell, Gerbrand Ceder, Luis Ortiz, Donald R. Sadoway
  • Patent number: 9966629
    Abstract: A sodium-conductive solid-state electrolyte material includes a compound of the composition Na10MP2S12, wherein M is selected from Ge, Si, and Sn. The material may have a conductivity of at least 1.0×10?5 S/cm at a temperature of about 300K and may have a tetragonal microstructure, e.g., a skewed P1 crystallographic structure. Also provided are an electrochemical cell that includes the sodium-conductive solid-state electrolyte material and a method for producing the sodium-conductive solid electrolyte material via controlled thermal processing parameters.
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: May 8, 2018
    Assignees: SAMSUNG ELECTRONICS CO., LTD., MASSACHUSETTS INSTITUTE OF TECHNOLOGY
    Inventors: William D. Richards, Shyue Ping Ong, Yifei Mo, Gerbrand Ceder, Lincoln Miara, Tomoyuki Tsujimura, Yan Wang, Young-Gyoon Ryu, Naoki Suzuki, Ichiro Uechi