Patents by Inventor Victor Roev

Victor Roev 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: 20170092973
    Abstract: An electrolyte for a lithium air battery includes a compound represented by Formula 1 wherein the definitions of A and R1-R10 are disclosed herein. Also a lithium air battery including an anode, a cathode, and at least one selected from the herein-described electrolyte and a reaction product thereof.
    Type: Application
    Filed: May 23, 2016
    Publication date: March 30, 2017
    Inventors: Dongjoon Lee, Eunha Park, Kihyun Kim, Taeyoung Kim, Victor ROEV, Hyunpyo Lee, Heungchan Lee, Dongmin Im
  • Publication number: 20170047629
    Abstract: A metal-air battery including: a negative electrode metal layer; a negative electrode electrolyte layer disposed on the negative electrode metal layer; a positive electrode layer disposed on the negative electrode electrolyte layer, the positive electrode layer comprising a positive electrode material which is capable of using oxygen as an active material; and a gas diffusion layer disposed on the positive electrode layer, wherein the negative electrode electrolyte layer is between the negative electrode metal layer and the positive electrode layer; wherein the negative electrode metal layer, the negative electrode electrolyte layer, and the positive electrode layer are disposed on the gas diffusion layer so that the positive electrode layer contacts a lower surface and an opposite upper surface of the gas diffusion layer, and wherein one side surface of the gas diffusion layer is exposed to an outside.
    Type: Application
    Filed: October 27, 2016
    Publication date: February 16, 2017
    Inventors: Min-sik PARK, Tae-young KIM, Dong-joon LEE, Sang-bok MA, Dong-min IM, Victor ROEV
  • Publication number: 20170047628
    Abstract: A metal-air battery including: a negative electrode metal layer; a negative electrode electrolyte layer disposed on the negative electrode metal layer; a positive electrode layer disposed on the negative electrode electrolyte layer, the positive electrode layer comprising a positive electrode material which is capable of using oxygen as an active material; and a gas diffusion layer disposed on the positive electrode layer, wherein the negative electrode electrolyte layer is between the negative electrode metal layer and the positive electrode layer; wherein the negative electrode metal layer, the negative electrode electrolyte layer, and the positive electrode layer are disposed on the gas diffusion layer so that the positive electrode layer contacts a lower surface and an opposite upper surface of the gas diffusion layer, and wherein one side surface of the gas diffusion layer is exposed to an outside.
    Type: Application
    Filed: October 27, 2016
    Publication date: February 16, 2017
    Inventors: Min-sik PARK, Tae-young KIM, Dong-joon LEE, Sang-bok MA, Dong-min IM, Victor ROEV
  • Patent number: 9509027
    Abstract: A metal-air battery including: a negative electrode metal layer; a negative electrode electrolyte layer disposed on the negative electrode metal layer; a positive electrode layer disposed on the negative electrode electrolyte layer, the positive electrode layer comprising a positive electrode material which is capable of using oxygen as an active material; and a gas diffusion layer disposed on the positive electrode layer, wherein the negative electrode electrolyte layer is between the negative electrode metal layer and the positive electrode layer; wherein the negative electrode metal layer, the negative electrode electrolyte layer, and the positive electrode layer are disposed on the gas diffusion layer so that the positive electrode layer contacts a lower surface and an opposite upper surface of the gas diffusion layer, and wherein one side surface of the gas diffusion layer is exposed to an outside.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: November 29, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min-sik Park, Tae-young Kim, Dong-joon Lee, Sang-bok Ma, Dong-min Im, Victor Roev
  • Patent number: 9431658
    Abstract: A positive electrode for a lithium battery including a protected negative electrode containing a lithium metal or a lithium alloy, wherein the positive electrode contains a positive electrode active material, a polyoxometalate compound, and a conductive material. Also provided is a lithium battery including the positive electrode.
    Type: Grant
    Filed: April 9, 2014
    Date of Patent: August 30, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won-sung Choi, Dong-min Im, Victor Roev, Young-gyoon Ryu, Dong-joon Lee, Seung-sik Hwang
  • Patent number: 9312583
    Abstract: A protected anode for lithium air batteries and a lithium air battery including the protected anode are provided. The protected anode includes: an anode intercalates and deintercalates lithium ions; a lithium ion-conductive solid electrolyte membrane; and a polymer electrolyte disposed between the anode and the ion-conductive solid electrolyte membrane, wherein the polymer electrolyte includes a lithium ion-conductive polymer, a compound represented by Formula 1 having a number average molecular weight from about 300 to about 1,000, and a lithium salt, and an amount of the compound of Formula 1 is from about 10 parts to about 25 parts by weight based on 100 parts by weight of the polymer electrolyte: In Formula 1, R1 to R6, and n are the same as defined in the specification.
    Type: Grant
    Filed: April 25, 2013
    Date of Patent: April 12, 2016
    Assignees: SAMSUNG ELECTRONICS CO., LTD., NATIONAL UNIVERSITY CORPORATION MIE UNIVERSITY
    Inventors: Dong-joon Lee, Dong-min Im, Victor Roev, Sang-bok Ma, Min-sik Park, Osamu Yamamoto, Nobuyuki Imanishi, Won-sung Choi, Yasuo Takeda
  • Publication number: 20160079590
    Abstract: A cathode for a lithium air battery, the cathode including: an organic-inorganic composite material including a coating layer on at least one portion of a surface thereof, wherein the coating layer includes a positively charged silane compound and an ionic bond forming anion. Also a lithium air battery including the same, and a method of manufacturing the cathode.
    Type: Application
    Filed: June 16, 2015
    Publication date: March 17, 2016
    Inventors: Victor ROEV, Hyunjin Kim, Taeyoung Kim, Dongmin Im
  • Publication number: 20160079641
    Abstract: A composite electrode includes a gel electrolyte including a solvent, a lithium salt, and an inorganic particle; and an electrode member including at least one of an electrode active material and a conducting material, wherein the gel electrolyte is in a form of a gel.
    Type: Application
    Filed: March 4, 2015
    Publication date: March 17, 2016
    Inventors: Hyunjin Kim, Victor Roev, Taeyoung Kim, Dongmin Im, Wonsung Choi
  • Patent number: 9263779
    Abstract: A lithium air battery module including a lithium air battery cell including a first electrolyte; an additional electrolyte disposed non-adjacent the first electrolyte; and a housing which accommodates the lithium air battery cell and the additional electrolyte.
    Type: Grant
    Filed: April 1, 2013
    Date of Patent: February 16, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-joon Lee, Dong-min Im, Young-gyoon Ryu, Victor Roev, Sang-bok Ma, Min-sik Park
  • Publication number: 20160043408
    Abstract: A composite for a lithium air battery, wherein the composite is represented by Formula 1: MCxN(1?x) ??Formula 1 wherein M in Formula 1 is at least one selected from a metal element and a metalloid element, and 0<x<1.
    Type: Application
    Filed: August 5, 2015
    Publication date: February 11, 2016
    Inventors: Soonchul Kwon, Dongjin Ham, Victor ROEV, Dongmin Im
  • Patent number: 9225192
    Abstract: The apparatus of charging a rechargeable battery includes a voltage detector which detects a voltage value between terminals of a rechargeable battery, a current generator which generates current for charging the rechargeable battery and outputs the generated current to the terminals of the rechargeable battery, and a controller which controls the current generator based on the voltage value detected by the voltage detector. The current generator outputs a first current for which a direction thereof between the terminals of the rechargeable battery is constant, in a charging period of the rechargeable battery, wherein the first current comprises direct current, and a second current for which a direction thereof between the terminals of the rechargeable battery is periodically reversed, in an intermittent period of the rechargeable battery.
    Type: Grant
    Filed: April 24, 2013
    Date of Patent: December 29, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-joon Lee, Dong-min Im, Victor Roev, Sang-bok Ma, Won-sung Choi, Min-sik Park
  • Patent number: 9225015
    Abstract: A lithium air battery including a negative electrode comprising lithium, a positive electrode using oxygen as a positive active material, and an organic electrolyte including an organic compound capable of intercalating and deintercalating electrons involved in an electrochemical reaction.
    Type: Grant
    Filed: July 31, 2012
    Date of Patent: December 29, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-joon Lee, Dong-min Im, Young-gyoon Ryu, Victor Roev, Min-sik Park, Sang-bok Ma
  • Publication number: 20150349365
    Abstract: An electrolyte for a lithium air battery and lithium air battery including the electrolyte are provided.
    Type: Application
    Filed: May 27, 2015
    Publication date: December 3, 2015
    Inventors: Dongjoon Lee, Dongmin Im, Kihyun Kim, Taeyoung Kim, Victor ROEV, Sangbok Ma, Minsik Park, Wonsung Choi
  • Patent number: 9178254
    Abstract: A lithium air battery including: a negative electrode including lithium; a positive electrode using oxygen as a positive active material; and an organic electrolyte, wherein the organic electrolyte includes a metal-ligand complex.
    Type: Grant
    Filed: December 6, 2011
    Date of Patent: November 3, 2015
    Assignees: SAMSUNG ELECTRONICS CO., LTD., NATIONAL UNIVERSITY CORPORATION MIE UNIVERSITY
    Inventors: Dong-joon Lee, Victor Roev, Young-gyoon Ryu, Dong-min Im, Yasuo Takeda, Osamu Yamamoto, Nobuyuki Imanishi
  • Patent number: 9054383
    Abstract: A porous carbonaceous composite material, a positive electrode and lithium air battery including the porous carbonaceous composite material, and a method of preparing the porous carbonaceous composite material. The porous carbonaceous composite material includes a carbon nanotube (CNT); and a modified carbonaceous material doped with a heterogeneous element, wherein the ratio of the number of surface oxygen atoms to the number of surface carbon atoms ranges upward from about 2 atom %.
    Type: Grant
    Filed: September 7, 2012
    Date of Patent: June 9, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Victor Roev, Dong-min Im, Anass Benayad
  • Publication number: 20150155566
    Abstract: A composite electrode for a lithium air battery including: i) a polymerization product of a first heteroatom-containing ionic liquid or ii) a mixture of a second heteroatom-containing ionic liquid and a polymer ionic liquid represented by Formula 1:
    Type: Application
    Filed: November 24, 2014
    Publication date: June 4, 2015
    Inventors: Taeyoung Kim, Victor ROEV, Kihyun Kim, Sangbok Ma, Minsik Park, Dongjoon Lee, Myungjin Lee, Dongmin Im, Wonsung Choi
  • Publication number: 20150140452
    Abstract: A metal-air battery including: a negative electrode metal layer; a negative electrode electrolyte layer disposed on the negative electrode metal layer; a positive electrode layer disposed on the negative electrode electrolyte layer, the positive electrode layer comprising a positive electrode material which is capable of using oxygen as an active material; and a gas diffusion layer disposed on the positive electrode layer, wherein the negative electrode electrolyte layer is between the negative electrode metal layer and the positive electrode layer; wherein the negative electrode metal layer, the negative electrode electrolyte layer, and the positive electrode layer are disposed on the gas diffusion layer so that the positive electrode layer contacts a lower surface and an opposite upper surface of the gas diffusion layer, and wherein one side surface of the gas diffusion layer is exposed to an outside.
    Type: Application
    Filed: June 20, 2014
    Publication date: May 21, 2015
    Inventors: Min-sik PARK, Tae-young KIM, Dong-joon LEE, Sang-bok MA, Dong-min IM, Victor ROEV
  • Publication number: 20140356736
    Abstract: A positive electrode for a lithium battery including a protected negative electrode containing a lithium metal or a lithium alloy, wherein the positive electrode contains a positive electrode active material, a polyoxometalate compound, and a conductive material. Also provided is a lithium battery including the positive electrode.
    Type: Application
    Filed: April 9, 2014
    Publication date: December 4, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Won-sung CHOI, Dong-min IM, Victor ROEV, Young-gyoon RYU, Dong-joon LEE, Seung-sik HWANG
  • Publication number: 20140234733
    Abstract: An air battery cathode including an organic-inorganic composite material including lyophobic nanopores, the organic-inorganic composite material including a porous metal oxide, and a lyophobic layer on a surface of a pore of the porous metal oxide and having a contact angle of greater than about 90°; and a binder. Also a lithium air battery including the cathode, and a method of manufacture the cathode.
    Type: Application
    Filed: February 20, 2014
    Publication date: August 21, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Victor ROEV, Dong-min IM, Sang-bok MA, Won-sung CHOI, Min-sik PARK, Dong-joon LEE
  • Publication number: 20140178777
    Abstract: A protected anode including: an anode including lithium or capable of reversibly incorporating lithium ions; and a lithium ion-conductive protective layer on the anode and including a ceramic composite represented by Formula 1: Li1+aAlbGe2?cMdP3+eO12+f??Formula 1 wherein M is at least one element selected from titanium (Ti), zirconium (Zr), and germanium (Ge), 0?a?1, 0?b?1, 0?c?1, 0?d?0.5, 0?e?0.1, and 0?f?1.
    Type: Application
    Filed: December 15, 2013
    Publication date: June 26, 2014
    Applicant: National University Corporation Mie University
    Inventors: Dong-joon LEE, Dong-min IM, Victor ROEV, Sang-bok MA, Min-sik PARK, Osamu YAMAMOTO, Nobuyuki IMANISHI, Won-sung CHOI, Yasuo TAKEDA