Patents Assigned to Gotion Inc.
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Patent number: 11502329Abstract: 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: GrantFiled: August 6, 2020Date of Patent: November 15, 2022Assignee: Gotion, Inc.Inventors: Qian Cheng, Steven Cai
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Patent number: 11165098Abstract: 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: GrantFiled: April 8, 2016Date of Patent: November 2, 2021Assignee: Gotion, Inc.Inventors: Frederick Francois Chesneau, Stefano Meini, Michael Schmidt, Denis Schroeder, Patrick Krieg, Christian Karcher, Janina Stier, Wolfgang Klaus, Corinna Tag
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Patent number: 11133529Abstract: 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: GrantFiled: September 13, 2016Date of Patent: September 28, 2021Assignee: Gotion, Inc.Inventors: Frank Juergen, Stefano Meini, Michael Schmidt, Martin Merger
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Patent number: 10930974Abstract: 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: GrantFiled: September 29, 2016Date of Patent: February 23, 2021Assignee: Gotion, Inc.Inventor: Rene Schmitz
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Publication number: 20200365936Abstract: 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: ApplicationFiled: August 6, 2020Publication date: November 19, 2020Applicant: Gotion Inc.Inventors: Qian Cheng, Steven Cai
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Patent number: 10826111Abstract: 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: GrantFiled: April 24, 2018Date of Patent: November 3, 2020Assignee: Gotion, Inc.Inventors: Qian Cheng, Steven Cai
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Patent number: 10581112Abstract: 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: GrantFiled: February 21, 2017Date of Patent: March 3, 2020Assignee: Gotion Inc.Inventor: Rene Schmitz
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Patent number: 10562871Abstract: 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: GrantFiled: August 31, 2018Date of Patent: February 18, 2020Assignee: Gotion Inc.Inventors: Nicole Holub, Juergen Herbel
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Patent number: 10479804Abstract: 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: GrantFiled: January 27, 2017Date of Patent: November 19, 2019Assignee: Gotion Inc.Inventors: Nicole Holub, Juergen Herbel
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Patent number: 10450329Abstract: 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: GrantFiled: January 27, 2017Date of Patent: October 22, 2019Assignee: Gotion Inc.Inventors: Nicole Holub, Juergen Herbel
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Patent number: 10388992Abstract: 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: GrantFiled: April 8, 2015Date of Patent: August 20, 2019Assignee: Gotion Inc.Inventors: Rene Schmitz, Diana Fuerst, Lucas Montag
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Patent number: 10333178Abstract: 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: GrantFiled: April 15, 2015Date of Patent: June 25, 2019Assignee: Gotion Inc.Inventors: Rene Schmitz, Lucas Montag, Diana Fuerst
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Patent number: 10230131Abstract: 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: GrantFiled: July 10, 2014Date of Patent: March 12, 2019Assignee: Gotion Inc.Inventors: Agnes Voitl, Itamar Michael Malkowsky, Axel Kirste
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Patent number: 10211484Abstract: 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: GrantFiled: November 3, 2015Date of Patent: February 19, 2019Assignee: Gotion Inc.Inventors: Rene Schmitz, Karolin Geyer
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Publication number: 20190048025Abstract: 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: ApplicationFiled: January 27, 2017Publication date: February 14, 2019Applicant: Gotion, Inc.Inventors: Nicole HOLUB, Juergen HERBEL
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Patent number: 10153516Abstract: 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: GrantFiled: March 26, 2015Date of Patent: December 11, 2018Assignee: Gotion Inc.Inventors: Rene Schmitz, Arnd Garsuch, Frederick Francois Chesneau, Michael Schmidt, Takeru Yamamoto, Guenter Semrau
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Patent number: 10065936Abstract: 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: GrantFiled: February 5, 2016Date of Patent: September 4, 2018Assignee: Gotion Inc.Inventors: Nicole Holub, Juergen Herbel
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Patent number: 9929437Abstract: 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: GrantFiled: March 31, 2015Date of Patent: March 27, 2018Assignee: Gotion Inc.Inventors: Arnd Garsuch, Karolin Geyer, Michael Schmidt, Martin Merger, Nicole Holub