Patents Assigned to Gotion Inc.
  • Patent number: 11165098
    Abstract: An electrolyte composition containing at east one compound of formula (I) where R1, R2 and R3 are selected independently from each other from H, C1 to C12 alkyl, C3-C6 (hetero)cycloalkyl, C2 to C12 alkenyl, C2 to C12 alkynyl, CN, NR?R?, CHO, C5 to C12 (hetero)aryl, and C6 to C24 (hetero)aralkyl. Alkyl, (hetero)cycloalkyl, alkenyl, alkynyl, (hetero)aryl, and (hetero)aralkyl are optionally substituted with one or more substituents selected from CN, NR?R?, and CHO. R? and R? are selected independently from each other from H and C1 to C6 alkyl. At least one of R1, R2 and R3 is not H or C1 to C12 alkyl.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: November 2, 2021
    Assignee: Gotion, Inc.
    Inventors: Frederick Francois Chesneau, Stefano Meini, Michael Schmidt, Denis Schroeder, Patrick Krieg, Christian Karcher, Janina Stier, Wolfgang Klaus, Corinna Tag
  • Patent number: 11133529
    Abstract: A compound of formula (I) for use in electrolyte compositions for electrochemical cells, wherein R1 and R2 are selected independently from each other from H, F, CN, R?, OR?, OC(O)R?, and OP(O)R?2, R3 is selected from H, C1 to C12 alkyl, C3 to C6 (hetero)cycloalkyl, C2 to C12 alkenyl, C2 to C12 alkynyl, C5 to C12 (hetero)aryl, and C6 to C24 (hetero)aralkyl, R4 is selected from C1 to C12 alkyl, C3 to C6 (hetero)cycloalkyl, C2 to C12 alkenyl, C2 to C12 alkynyl, C5 to C12 (hetero)aryl, and C6 to C24 (hetero)aralkyl, or R3 and R4 are bound together and form together with the group —C—C(O)—O— a 5- to 6-membered heterocycle which may be substituted by one or more substituents selected from F and optionally fluorinated C1 to C12 alkyl.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: September 28, 2021
    Assignee: Gotion, Inc.
    Inventors: Frank Juergen, Stefano Meini, Michael Schmidt, Martin Merger
  • Patent number: 10930974
    Abstract: An electrolyte composition and an electrochemical cell including the electrolyte composition are disclosed, including: at least one aprotic organic solvent; at least one conducting salt; methyl-2-methyl-1,3-dioxolane-2-carboxylate; and optionally one or more additives. A use of methyl-2-methyl-1,3-dioxolane-2-carboxylate in an electrolyte composition for electrochemical cells is disclosed. An electrochemical cell is also disclosed, in which the electrochemical cell is a lithium battery.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: February 23, 2021
    Assignee: Gotion, Inc.
    Inventor: Rene Schmitz
  • Publication number: 20200365936
    Abstract: This disclosure relates to semi-solid electrodes which are pre-formed prior to inclusion in lithium ion batteries, lithium ion batteries which incorporate the semi-solid electrodes and methods of making the semi-solid electrodes. An electrochemical cell includes a semi-solid anode formed of anode active material injected with an electrolyte and a first electrolyte additive, the semi-solid anode having a first SEI layer; and a semi-solid cathode formed of a cathode active material injected with an additional electrolyte and a second electrolyte additive, the semi-solid cathode having a second SEI layer, wherein the first electrolyte additive and the second solid electrolyte additive are different.
    Type: Application
    Filed: August 6, 2020
    Publication date: November 19, 2020
    Applicant: Gotion Inc.
    Inventors: Qian Cheng, Steven Cai
  • Patent number: 10826111
    Abstract: This disclosure relates to semi-solid electrodes which are pre-formed prior to inclusion in lithium ion batteries, lithium ion batteries which incorporate the semi-solid electrodes and methods of making the semi-solid electrodes. An electrochemical cell includes a semi-solid anode formed of anode active material injected with an electrolyte and a first electrolyte additive, the semi-solid anode having a first SEI layer; and a semi-solid cathode formed of a cathode active material injected with an additional electrolyte and a second electrolyte additive, the semi-solid cathode having a second SEI layer, wherein the first electrolyte additive and the second solid electrolyte additive are different.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: November 3, 2020
    Assignee: Gotion, Inc.
    Inventors: Qian Cheng, Steven Cai
  • Patent number: 10581112
    Abstract: An electrolyte composition and an electrochemical cell that includes the electrolyte composition are included. The electrolyte composition includes: at least one aprotic organic solvent; at least one conducting salt; methylphosphonoyloxymethane; and optionally one or more additives. The use of methylphosphonoyloxymethane in an electrolyte composition for electrochemical cells is also included.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: March 3, 2020
    Assignee: Gotion Inc.
    Inventor: Rene Schmitz
  • Patent number: 10562871
    Abstract: The present disclosure relates to the preparation of sulfur containing ammonium and phosphonium borates KA, wherein K is a compound of formula (I), and A is an anion of formulae (IIa) or (IIb) by bringing into contact ammonium borates with sulfur containing ammonium or phosphonium halides or sulfonates.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: February 18, 2020
    Assignee: Gotion Inc.
    Inventors: Nicole Holub, Juergen Herbel
  • Patent number: 10479804
    Abstract: A process for preparing an ammonium or phosphonium borate salt KA containing a cation K and an anion A. The process includes providing a melt of a borate salt K1A, and adding a solution of an ammonium or phosphonium salt KA1 in a solvent or solvent mixture (i), wherein K is an organic ammonium or phosphonium cation, and A is a borate anion of formula (Ia) or (Ib).
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: November 19, 2019
    Assignee: Gotion Inc.
    Inventors: Nicole Holub, Juergen Herbel
  • Patent number: 10450329
    Abstract: A process for preparing a difluoro chelato borate salt comprising an anion A of formula (I) wherein is a bidentate radical derived from a 1,2-, 1,3- or 1,4-diol, from a 1,2-, 1,3- or 1,4-dicarboxylic acid or from a 1,2-, 1,3- or 1,4-hydroxycarboxylic acid by abstracting the two H atoms of pairs of adjacent OH groups of the respective diol, hydroxycarboxylic acid or dicarboxylic acid. The process includes step (i) reacting (a) one or more BF3 sources; (b) a dihydric compound selected from 1,2-, 1,3- and 1,4-diols, 1,2-, 1,3- and 1,4-dicarboxylic acids, and 1,2-, 1,3- and 1,4-hydroxycarboxylic acids; (c) one or more second boron sources which do not contain F; and (d) one or more proton acceptors.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: October 22, 2019
    Assignee: Gotion Inc.
    Inventors: Nicole Holub, Juergen Herbel
  • Patent number: 10388992
    Abstract: The invention relates to an electrolyte composition containing at least one compound of (I) wherein R1 is selected from C1 to C10 alkyl, and R2 is selected from O(C1 to C10 alkyl), OC(O)(C1 to C10 alkyl), OC(O)O(C1 to C10 alkyl), OS(O)2(C1 to C10 alkyl) and S(O)2O(C1 to C10 alkyl), wherein C1 to C10 alkyl may be substituted by one or more F and wherein one or more CH2— groups of C1 to C10 alkyl which are not bound directly to O may be replaced by O.
    Type: Grant
    Filed: April 8, 2015
    Date of Patent: August 20, 2019
    Assignee: Gotion Inc.
    Inventors: Rene Schmitz, Diana Fuerst, Lucas Montag
  • Patent number: 10333178
    Abstract: The invention relates to an electrolyte composition containing (i) at least one aprotic polar organic solvent having a flash point above 80° C. and a dielectric constant above 10 at 25° C.; (ii) at least one flame retardant and/or non-flammable solvent; (iii) at least one compound of formula (I) R1—O(O)C—(CH2)n—C(O)O—R2 (I) wherein R1 and R2 are independently from each other selected from C1-C6 alkyl and n is 1, 2 or 3; (iv) at least one conducting salt; (v) at least one aprotic organic solvent having a dynamic viscosity below 1 mPa s at 25° C.; and (vi) optionally one or more additives.
    Type: Grant
    Filed: April 15, 2015
    Date of Patent: June 25, 2019
    Assignee: Gotion Inc.
    Inventors: Rene Schmitz, Lucas Montag, Diana Fuerst
  • Patent number: 10230131
    Abstract: The present invention relates in a first aspect to a method for producing in the interior of a production equipment a dehydrated liquid mixture for use as a solvent for a conducting salt (e.g. LiPF6) wherein after cleaning the equipment with isopropyl alcohol and providing or preparing a liquid starting mixture in said interior of the production equipment both the isopropyl alcohol content in the mixture and the water content in the mixture is reduced by interaction with a zeolite molecular sieve.
    Type: Grant
    Filed: July 10, 2014
    Date of Patent: March 12, 2019
    Assignee: Gotion Inc.
    Inventors: Agnes Voitl, Itamar Michael Malkowsky, Axel Kirste
  • Patent number: 10211484
    Abstract: An electrolyte composition containing (i) at least one aprotic organic solvent; (ii) at least one conducting salt; (iii) acetic acid 2-[(methoxycarbonyl)oxy] methyl ester; and (vi) optionally one or more additives.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: February 19, 2019
    Assignee: Gotion Inc.
    Inventors: Rene Schmitz, Karolin Geyer
  • Publication number: 20190048025
    Abstract: A process for preparing a difluoro chelato borate salt comprising an anion A of formula (I) wherein is a bidentate radical derived from a 1,2-, 1,3- or 1,4-diol, from a 1,2-, 1,3- or 1,4-dicarboxylic acid or from a 1,2-, 1,3- or 1,4-hydroxycarboxylic acid by abstracting the two H atoms of pairs of adjacent OH groups of the respective diol, hydroxycarboxylic acid or dicarboxylic acid. The process includes step (i) reacting (a) one or more BF3 sources; (b) a dihydric compound selected from 1,2-, 1,3- and 1,4-diols, 1,2-, 1,3- and 1,4-dicarboxylic acids, and 1,2-, 1,3- and 1,4-hydroxycarboxylic acids; (c) one or more second boron sources which do not contain F; and (d) one or more proton acceptors.
    Type: Application
    Filed: January 27, 2017
    Publication date: February 14, 2019
    Applicant: Gotion, Inc.
    Inventors: Nicole HOLUB, Juergen HERBEL
  • Patent number: 10153516
    Abstract: The present invention relates to an electrolyte composition for lithium ion batteries which improves overcharge protection. In particular the present invention relates to an electrolyte composition comprising (a) a compound of general formula (I) and (b) at least two compounds of general formula (II) which are different from each other formula (II) with the definitions given in the description.
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: December 11, 2018
    Assignee: Gotion Inc.
    Inventors: Rene Schmitz, Arnd Garsuch, Frederick Francois Chesneau, Michael Schmidt, Takeru Yamamoto, Guenter Semrau
  • Patent number: 10065936
    Abstract: The present invention relates to the preparation of sulfur containing ammonium and phosphonium borates KA, wherein K is a compound of formula (I), and A is an anion of formulae (IIa) or (IIb) by bringing into contact ammonium borates with sulfur containing ammonium or phosphonium halides or sulfonates.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: September 4, 2018
    Assignee: Gotion Inc.
    Inventors: Nicole Holub, Juergen Herbel
  • Patent number: 9929437
    Abstract: The present invention relates to compounds of formula (I) wherein X is N or P; —SO3— is —O—S(O)2— or —S(O)2—O—; and n and R1 to R5 are defined below, and to their use as additives for electrolyte compositions, in particular in electrolyte compositions for lithium batteries.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: March 27, 2018
    Assignee: Gotion Inc.
    Inventors: Arnd Garsuch, Karolin Geyer, Michael Schmidt, Martin Merger, Nicole Holub