Patents Assigned to SIGMA LITHIUM LIMITED
  • ALKALI METAL MATERIALS
    Publication number: 20230052539
    Abstract: There is disclosed a method of making a surface-modified alkali metal material for electrochemical use, the method comprising bringing a barrier agent into frictional contact with an alkali metal substrate to form a tribochemical barrier layer on the substrate. Also disclosed is a surface-modified alkali metal material for electrochemical use, the material comprising an alkali metal substrate bearing a tribochemical barrier layer.
    Type: Application
    Filed: January 13, 2021
    Publication date: February 16, 2023
    Applicant: SIGMA LITHIUM LIMITED
    Inventors: Vladimir KOLOSNITSYN, Elena KARASEVA, Gleb IVANOV
  • Method of forming a metallic lithium coating
    Patent number: 11296310
    Abstract: A method of forming a lithium coating on a substrate, the method comprising: melting a solid lithium target to form a molten lithium target; agitating the molten lithium target; vaporising at least part of the agitated molten lithium target to form a vaporised material; and condensing the vaporised material on a substrate to form a lithium coating.
    Type: Grant
    Filed: August 2, 2017
    Date of Patent: April 5, 2022
    Assignee: SIGMA LITHIUM LIMITED
    Inventors: Vladimir Kolosnitsyn, Sergey Mochalov, Azat Nurgaliev, Aleksei Ivanov, Elena Kuzmina, Elena Karaseva
  • Composite materials
    Patent number: 10468665
    Abstract: A permeable composite material for making an electrode for an electrochemical cell, the composite material comprising: a support defining pores; and alkali metal deposited on the support within a plurality of said pores. An electrode comprising the composite material is also described, as are methods of making the material and cells and assemblies comprising the electrode.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: November 5, 2019
    Assignee: SIGMA LITHIUM LIMITED
    Inventors: Gleb Ivanov, Sergey Mochalov, Azat Nurgaliev, Aleksei Ivanov, Elena Kuzmina, Elena Karaseva, Vladimir Kolosnitsyn
  • METHOD OF FORMING A METALLIC LITHIUM COATING
    Publication number: 20190190002
    Abstract: A method of forming a lithium coating on a substrate, the method comprising: melting a solid lithium target to form a molten lithium target; agitating the molten lithium target; vaporising at least part of the agitated molten lithium target to form a vaporised material; and condensing the vaporised material on a substrate to form a lithium coating.
    Type: Application
    Filed: August 2, 2017
    Publication date: June 20, 2019
    Applicant: Sigma Lithium Limited
    Inventors: Vladimir KOLOSNITSYN, Sergey MOCHALOV, Azat NURGALIEV, Aleksei IVANOV, Elena KUZMINA, Elena KARASEVA
  • COMPOSITE MATERIALS
    Publication number: 20180013126
    Abstract: A permeable composite material for making an electrode for an electrochemical cell, the composite material comprising: a support defining pores; and alkali metal deposited on the support within a plurality of said pores. An electrode comprising the composite material is also described, as are methods of making the material and cells and assemblies comprising the electrode.
    Type: Application
    Filed: January 29, 2016
    Publication date: January 11, 2018
    Applicant: SIGMA LITHIUM LIMITED
    Inventors: Gleb IVANOV, Sergey MOCHALOV, Azat NURGALIEV, Aleksei IVANOV, Elena KUZMINA, Elena KARASEVA