Patents by Inventor Boris A. Trofimov
Boris A. Trofimov 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: 9276290Abstract: In one aspect, a rechargeable lithium battery comprising a non-aqueous electrolyte including an organic solvent; a lithium salt and a substituted 2-fluoroalkoxy-1,3,2-dioxaphospholane 2-oxide is provided. The 2-fluoroalkoxy-1,3,2-dioxaphospholane 2-oxide can be a compound represented by the following Chemical Formula 1.Type: GrantFiled: November 17, 2011Date of Patent: March 1, 2016Assignee: Samsung SDI Co., Ltd.Inventors: Sang-Il Han, Woo-Cheol Shin, Jung-Yi Yu, Tae-Hyun Bae, Mi-Hyun Lee, Denis Chernyshov, Alexey Tereshchenko, Pavel Shatunov, Boris A. Trofimov, Nina K. Gusarova
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Patent number: 8632917Abstract: An organic electrolyte solution includes a lithium salt; an organic solvent including a high permittivity solvent and a low boiling solvent; and a vinyl-based compound represented by Formula 1 below, wherein m and n are each independently integers of 1 to 10; X1, X2, and X3 each independently represent O, S, or NR9; and R1, R2, R3, R4, R5, R6, R7, R8, and R9 are represented in the detailed description. The organic electrolyte solution of the present invention and a lithium battery using the same suppress degradation of an electrolyte, providing improved cycle properties and life span thereof.Type: GrantFiled: February 29, 2012Date of Patent: January 21, 2014Assignee: Samsung SDI Co., Ltd.Inventors: Seok-soo Lee, Young-gyonn Ryu, Seung-sik Hwang, Dong-joon Lee, Boris A. Trofimov
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Publication number: 20120244445Abstract: In one aspect, a rechargeable lithium battery comprising a non-aqueous electrolyte including an organic solvent; a lithium salt and a substituted 2-fluoroalkoxy-1,3,2-dioxaphospholane 2-oxide is provided. The 2-fluoroalkoxy-1,3,2-dioxaphospholane 2-oxide can be a compound represented by the following Chemical Formula 1.Type: ApplicationFiled: November 17, 2011Publication date: September 27, 2012Applicant: Samsung SDI Co., LTd.Inventors: Sang-Il Han, Woo-Cheol Shin, Jung-Yi Yu, Tae-Hyun Bae, Mi-Hyun Lee, Denis Chernyshov, Alexey Tereshchenko, Pavel Shatunov, Boris A. Trofimov, Nina K. Gusarova
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Publication number: 20120164543Abstract: An organic electrolyte solution includes a lithium salt; an organic solvent including a high permittivity solvent and a low boiling solvent; and a vinyl-based compound represented by Formula 1 below, wherein m and n are each independently integers of 1 to 10; X1, X2, and X3 each independently represent O, S, or NR9; and R1, R2, R3, R4, R5, R6, R7, R8, and R9 are represented in the detailed description. The organic electrolyte solution of the present invention and a lithium battery using the same suppress degradation of an electrolyte, providing improved cycle properties and life span thereof.Type: ApplicationFiled: February 29, 2012Publication date: June 28, 2012Applicant: SAMSUNG SDI CO., LTD.Inventors: Seok-soo Lee, Young-gyonn Ryu, Seung-sik Hwang, Dong-joon Lee, Boris A. Trofimov
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Patent number: 8148007Abstract: An organic electrolyte solution includes a lithium salt; an organic solvent including a high permittivity solvent and a low boiling solvent; and a vinyl-based compound represented by Formula 1 below, wherein m and n are each independently integers of 1 to 10; X1, X2, and X3 each independently represent O, S, or NR9; and R1, R2, R3, R4, R5, R6, R7, R8, and R9 are represented in the detailed description. The organic electrolyte solution of the present invention and a lithium battery using the same suppress degradation of an electrolyte, providing improved cycle properties and life span thereof.Type: GrantFiled: June 27, 2008Date of Patent: April 3, 2012Assignee: Samsung SDI Co., Ltd.Inventors: Seok-soo Lee, Young-gyonn Ryu, Seung-sik Hwang, Dong-joon Lee, Boris A. Trofimov
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Patent number: 8062796Abstract: Organic electrolytic solutions are provided. One solution includes a lithium salt, an organic solvent including a first solvent having high permittivity and a second solvent having a low boiling point, and a phosphate compound. By using the phosphate based compound, the organic electrolytic solution and the lithium battery including the organic electrolytic solution are flame resistant and have excellent charge/discharge properties. As a result, the lithium battery is highly stable and reliable and has good charge/discharge efficiency.Type: GrantFiled: August 22, 2006Date of Patent: November 22, 2011Assignee: Samsung SDI Co., Ltd.Inventors: Jae-gu Yoon, Seok-gwang Doo, Seung-sik Hwang, Kyu-sung Park, Nina K. Gusarova, Boris A. Trofimov
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Patent number: 7851090Abstract: An organic electrolytic solution is provided which includes a lithium salt, an organic solvent including a first solvent having high permittivity and a second solvent having a low boiling point, and a phosphine oxide compound The phosphine oxide compound imparts flame resistance and good charge/discharge properties, thereby producing a lithium battery that is highly stable and reliable and that has good charge/discharge efficiency.Type: GrantFiled: August 22, 2006Date of Patent: December 14, 2010Assignee: Samsung SDI Co., Ltd.Inventors: Jin-hwan Park, Seok-gwang Doo, Dong-min Im, Gue-sung Kim, Nina K. Gusarova, Boris A. Trofimov
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Patent number: 7579118Abstract: An organic electrolytic solution includes a lithium salt; an organic solvent including a high dielectric constant solvent and a low boiling point solvent; and an additive of a hetero ring compound including a cyano group and an alkenyl group as substituents. The organic electrolytic solution and the lithium battery employing the organic electrolytic solution suppress the reduction decomposition of a polar solvent to improve the capacity retention ratio of the battery. Thus, the charge/discharge efficiency and lifespan of the battery can be improved.Type: GrantFiled: June 21, 2006Date of Patent: August 25, 2009Assignee: Samsung SDI Co., Ltd.Inventors: Seok-soo Lee, Han-su Kim, Young-gyoon Ryu, Boris Trofimov, Galing Myachina
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Publication number: 20090111029Abstract: An organic electrolyte solution including: a lithium salt; an organic solvent including a high permittivity solvent and a low boiling solvent; and a silane-based compound represented by Formula 1 below: In Formula 1, m and n are each independently integers of from 1 to 30; and R1, R2, R3, R4, R5, R6, R7, and R8 are represented in the detailed description of the present invention. The organic electrolyte solution can be included in a lithium battery, so as to suppress the degradation of an electrolyte, and to improve cycle properties and life span of the battery.Type: ApplicationFiled: June 30, 2008Publication date: April 30, 2009Inventors: Seok-soo Lee, Boris A. Trofimov, Young-gyoon Ryu, Seung-sik Hwang, Dong-joon Lee
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Publication number: 20090111028Abstract: An organic electrolyte solution includes a lithium salt; an organic solvent including a high permittivity solvent and a low boiling solvent; and a vinyl-based compound represented by Formula 1 below, wherein m and n are each independently integers of 1 to 10; X1, X2, and X3 each independently represent O, S, or NR9; and R1, R2, R3, R4, R5, R6, R7, R8, and R9 are represented in the detailed description. The organic electrolyte solution of the present invention and a lithium battery using the same suppress degradation of an electrolyte, providing improved cycle properties and life span thereof.Type: ApplicationFiled: June 27, 2008Publication date: April 30, 2009Applicant: Samsung SDI Co., Ltd.Inventors: Seok-soo Lee, Young-gyonn Ryu, Seung-sik Hwang, Dong-joon Lee, Boris A. Trofimov
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Patent number: 7517612Abstract: An organic electrolytic solution for a lithium-sulfur battery that provides high discharge capacity and longer cycle life to the battery, and a lithium-sulfur battery including the organic electrolytic solution are provided.Type: GrantFiled: August 27, 2004Date of Patent: April 14, 2009Assignee: Samsung SDI Co., Ltd.Inventors: Young-Gyoon Ryu, Myung-Dong Cho, Sang-Mock Lee, Boris A. Trofimov
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Patent number: 7494745Abstract: An organic electrolytic solution and a lithium battery employing the same are provided. The organic electrolytic solution includes: a lithium salt; an organic solvent containing a high dielectric constant solvent and a low boiling point solvent; and a carbonate or oxalate derivative having at least one substituted or unsubstituted cyano group. The organic electrolytic solution and the lithium battery employing the same have improved reductive decomposition stability, thereby decreasing an irreversible capacity after a first cycle and improving the charge/discharge efficiency and lifespan of the battery. The lithium battery has non-varying chemical properties at room temperature and a uniform thickness after standard charging, and thus has high reliability.Type: GrantFiled: November 23, 2005Date of Patent: February 24, 2009Assignee: Samsung SDI Co., Ltd.Inventors: Han-Su Kim, Myung-Dong Cho, Dong-Min Im, Boris A. Trofimov, Albina Mikhalev
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Patent number: 7410731Abstract: An organic electrolytic solution and a lithium battery employing the same are provided. The organic electrolytic solution includes: a lithium salt; an organic solvent containing a high dielectric constant solvent and a low boiling point solvent; and a dicarboxylic acid derivative having at least one substituted silyl group. The organic electrolytic solution and the lithium battery employing the same have improved reductive decomposition stability, thereby decreasing an irreversible capacity after a first cycle and improving the charge/discharge efficiency and lifespan of the battery. The lithium battery has non-varying chemical properties at room temperature and a uniform thickness after standard charging, and thus has high reliability.Type: GrantFiled: February 1, 2006Date of Patent: August 12, 2008Assignee: Samsung SDI Co., Ltd.Inventors: Jae-gu Yoon, Han-su Kim, Dong-min Im, Galina Myachina, Boris A. Trofimov, Doo-yeon Lee, Myung-dong Cho
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Patent number: 7338735Abstract: An organic electrolytic solution for a lithium-sulfur battery that can improve discharge capacity and cycle life of the battery, and a lithium-sulfur battery using the organic electrolytic solution are provided. The electrolytic solution includes a lithium salt, an organic solvent, and further a phosphine sulfide-based compound represented by formula (I) below: wherein R1, R2 and R3 are the same or different from each other, and each represents one selected from the group consisting of a substituted or unsubstituted C1-C30 alkyl group, a substituted or unsubstituted C6-C30 aryl group, a substituted or unsubstituted C1-C30 alkoxy group and a substituted or unsubstituted C8-C30 aralkenyl group. The electrolytic solution including the phosphine sulfide-based compound represented by Formula (I) can suppress production of lithium sulfides so that a reduction in battery capacity can be prevented.Type: GrantFiled: August 27, 2004Date of Patent: March 4, 2008Assignee: Samsung SDI Co., Ltd.Inventors: Young-Gyoon Ryu, Myung-Dong Cho, Sang-Mock Lee, Boris A. Trofimov
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Patent number: 7252908Abstract: The present invention relates to an electrolytic solution for a lithium battery and a lithium battery using the same. The organic electrolytic solution includes a lithium salt, a mixed organic solvent comprising a high dielectric constant solvent and a low boiling-point solvent, and an additive. The additive used in the electrolytic solution is a heterocyclic compound of Formula (1): where R1, R2 and R3 may each independently be a C1-C10 linear or branched alkyl group; R4 may be a C1-C10 linear or branched alkylene group; X may be a heterocyclic ring containing N and O whereby a tetraallkyl orthosilicate functional group may be linked to N. The lithium battery using the organic electrolytic solution of the present invention is highly reliable and maintains a constant thickness during a charge/discharge cycle.Type: GrantFiled: September 27, 2004Date of Patent: August 7, 2007Assignee: Samsung SDI Co., Ltd.Inventors: Hansu Kim, Myung-Dong Cho, Hyo-Sug Lee, Boris A. Trofimov
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Publication number: 20070048623Abstract: An organic electrolytic solution is provided which includes a lithium salt, an organic solvent including a first solvent having high permittivity and a second solvent having a low boiling point, and a phosphine oxide compound The phosphine oxide compound imparts flame resistance and good charge/discharge properties, thereby producing a lithium battery that is highly stable and reliable and that has good charge/discharge efficiency.Type: ApplicationFiled: August 22, 2006Publication date: March 1, 2007Inventors: Jin-hwan Park, Seok-gwang Doo, Dong-min Im, Gue-sung Kim, N. Gusarova, Boris Trofimov
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Publication number: 20070048622Abstract: Organic electrolytic solutions are provided. One solution includes a lithium salt, an organic solvent including a first solvent having high permittivity and a second solvent having a low boiling point, and a phosphate compound. By using the phosphate based compound, the organic electrolytic solution and the lithium battery including the organic electrolytic solution are flame resistant and have excellent charge/discharge properties. As a result, the lithium battery is highly stable and reliable and has good charge/discharge efficiency.Type: ApplicationFiled: August 22, 2006Publication date: March 1, 2007Inventors: Jae-gu Yoon, Seok-gwang Doo, Seung-sik Hwang, Kyu-sung Park, N.K. Gusarova, Boris Trofimov
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Publication number: 20060292451Abstract: An organic electrolytic solution includes a lithium salt; an organic solvent including a high dielectric constant solvent and a low boiling point solvent; and an additive of a hetero ring compound including a cyano group and an alkenyl group as substituents. The organic electrolytic solution and the lithium battery employing the organic electrolytic solution suppress the reduction decomposition of a polar solvent to improve the capacity retention ratio of the battery. Thus, the charge/discharge efficiency and lifespan of the battery can be improved.Type: ApplicationFiled: June 21, 2006Publication date: December 28, 2006Inventors: Seok-soo Lee, Han-su Kim, Young-gyoon Ryu, Boris Trofimov, Galing Myachina
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Publication number: 20060172200Abstract: An organic electrolytic solution and a lithium battery employing the same are provided. The organic electrolytic solution includes: a lithium salt; an organic solvent containing a high dielectric constant solvent and a low boiling point solvent; and a dicarboxylic acid derivative having at least one substituted silyl group. The organic electrolytic solution and the lithium battery employing the same have improved reductive decomposition stability, thereby decreasing an irreversible capacity after a first cycle and improving the charge/discharge efficiency and lifespan of the battery. The lithium battery has non-varying chemical properties at room temperature and a uniform thickness after standard charging, and thus has high reliability.Type: ApplicationFiled: February 1, 2006Publication date: August 3, 2006Inventors: Jae-gu Yoon, Han-su Kim, Dong-min Im, Galina Myachina, Boris Trofimov, Doo-yeon Lee, Myung-dong Cho
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Publication number: 20060147807Abstract: An organic electrolytic solution and a lithium battery employing the same are provided. The organic electrolytic solution includes: a lithium salt; an organic solvent containing a high dielectric constant solvent and a low boiling point solvent; and a carbonate or oxalate derivative having at least one substituted or unsubstituted cyano group. The organic electrolytic solution and the lithium battery employing the same have improved reductive decomposition stability, thereby decreasing an irreversible capacity after a first cycle and improving the charge/discharge efficiency and lifespan of the battery. The lithium battery has non-varying chemical properties at room temperature and a uniform thickness after standard charging, and thus has high reliability.Type: ApplicationFiled: November 23, 2005Publication date: July 6, 2006Inventors: Han-Su Kim, Myung-Dong Cho, Dong-Min Im, Boris Trofimov, A. I. Mikhalev