Patents Examined by Angela J. Martin
  • Patent number: 10693195
    Abstract: Provided is a rechargeable battery. The rechargeable battery includes an electrode assembly, an electrolyte immersing the electrode assembly therein, a case assembly accommodating the electrode assembly and the electrolyte, and an absorbing member disposed in the electrode assembly to absorb stress applied to the inside of the electrode assembly when the electrode assembly is expanded.
    Type: Grant
    Filed: November 4, 2015
    Date of Patent: June 23, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Jin Uk Do, Ju Bin Kim, Sang Sok Jung
  • Patent number: 10693150
    Abstract: A stack is provided for manufacturing bipolar plates for fuel cells. Each bipolar plate includes two sheets that are in a superimposed position relative to each and separated by a layer of filler material between the two sheets. The stack includes, in an alternately arranged manner, bipolar plates and intermediate plates. At least one of the intermediate plates has a plurality of slots passing through the intermediate plate in a direction of a thickness of the intermediate plate.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: June 23, 2020
    Assignee: Compagnie Generale des Etablissements Michelin
    Inventor: Claude Blanc
  • Patent number: 10693121
    Abstract: Embodiments of the present invention are directed toward a rechargeable battery including: an electrode assembly including a first electrode and a second electrode, each of which includes an electrode plate and an electrode uncoated region; a case for accommodating the electrode assembly and having an opening; a cap assembly coupled to the opening to seal the case; and a current collecting member between the cap assembly and the electrode assembly and respectively coupled to an electrode uncoated region of the first electrode and an electrode uncoated region of the second electrode. The current collecting member includes a first current collector that faces one side of the cap assembly, a second current collector that contacts the electrode uncoated region, and a connecting portion that is shifted toward one side of the first current collector and connects the first and second current collectors.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: June 23, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sang-Kyoon Park, Yong-Chul Seo, Seung-Ho Kwak
  • Patent number: 10686189
    Abstract: The present invention provides a negative electrode material for a non-aqueous electrolyte secondary battery, comprising negative electrode active material particles containing a silicon compound expressed by SiOx at least partially coated with a carbon coating where 0.5?x?1.6. The negative electrode active material particles have a negative zeta potential and exhibiting fragments of CyHz compound in an outermost surface layer of the silicon compound when subjected to TOF-SIMS. This negative electrode material can increase the battery capacity and improve the cycle performance and battery initial efficiency. The invention also provides a negative electrode active material layer, a negative electrode, and a non-aqueous electrolyte secondary battery using this material, and a method of producing this material.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: June 16, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hiromichi Kamo, Kohta Takahashi, Takakazu Hirose, Masahiro Furuya, Hiroki Yoshikawa
  • Patent number: 10686209
    Abstract: An electrode assembly is prepared by stacking and winding a first electrode, a second electrode, and a separator disposed between the first and second electrodes. The electrode assembly is curved to the center of an axis that is substantially parallel to a length direction of the electrode assembly, and the separator has a coated layer of a thermoplastic polymer on at least one side thereof. A battery cell including the electrode assembly, and a method of preparing the battery cell have also been disclosed. The battery cell including the electrode assembly may have a high strength.
    Type: Grant
    Filed: August 9, 2013
    Date of Patent: June 16, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Cheon-Soo Kim, Ho-Seong Kim
  • Patent number: 10665902
    Abstract: A battery cell with a magnesium and beta alumina current collector includes a magnesium core with a beta alumina covering and bare magnesium collectors. The preferred embodiment uses a two chamber battery cell with a ceramic separator, where the cathode chamber contains the current collector and a compound of 38% common salt (NaCl) containing 80 micrograms of Iodine (I) per gram of common salt (NaCl), 18% Iron (Fe), 15% Zinc, (Zn), 16% Copper (Cu), 5% Nickel (Ni) and 4% Silver (Ag), and the anode chamber contains a compound of 38% common salt (NaCl) containing 80 micrograms of Iodine (I) per gram of common salt (NaCl).
    Type: Grant
    Filed: June 19, 2015
    Date of Patent: May 26, 2020
    Inventor: Catalin Tutunaru
  • Patent number: 10665864
    Abstract: The present disclosure is directed to preventing generation of side reactions at a negative electrode, inhibiting an increase in resistance, and improving productivity. An electrode assembly is provided including: a negative electrode including a negative electrode current collector having a negative electrode tab at one end, and a negative electrode active material layer formed on a surface thereof; a positive electrode including a positive electrode current collector having a positive electrode tab at one end, and a positive electrode active material layer formed on a surface thereof; and a separator interposed between the positive and negative electrodes, and including a coating layer containing a conductive material and a polymer binder on the top surface of the negative electrode active material layer, wherein the coating layer is spaced apart from the top end, where the negative electrode tab is formed, and the bottom end by a predetermined distance.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: May 26, 2020
    Assignee: LG Chem, Ltd.
    Inventor: Hyuk-Su Kim
  • Patent number: 10658633
    Abstract: A battery includes a first electrode plate, a second electrode plate, a separator interposed between the first and second electrode plates, a closed-end cylindrical metal case accommodating these three elements, and a sealing member sealing an opening of the metal case with an insulating member interposed therebetween. The first and second electrode plates are wound with the separator interposed therebetween to form a wound electrode group. A center axis portion of the wound electrode group is substantially the same as a center axis of a cylinder of the metal case, and contains no power-generating element. A first current collector lead coupled to the first electrode plate extends toward the opening of the metal case, and joined to an inner sidewall surface of the metal case. A second current collector lead coupled to the second electrode plate extends toward the opening of the metal case, and joined to the sealing member.
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: May 19, 2020
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Kenjin Masumoto, Akira Kakinuma, Keisuke Yoneda, Junya Nishimori
  • Patent number: 10644343
    Abstract: A dummy cell laminated on a fuel cell stack and configured not to perform power generation includes: a common appearance portion having an appearance common with an appearance of a power generation cell used in the fuel cell stack and configured to perform power generation; and a non-common appearance portion having an appearance different from the appearance of the power generation cell.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: May 5, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroki Okabe, Kazumi Sugita, Chisato Kato
  • Patent number: 10629914
    Abstract: The present disclosure is directed to preventing generation of side reactions at a negative electrode, inhibiting an increase in resistance, and improving productivity. An electrode assembly is provided including: a negative electrode including a negative electrode current collector having a negative electrode tab at one end, and a negative electrode active material layer formed on a surface thereof; a positive electrode including a positive electrode current collector having a positive electrode tab at one end, and a positive electrode active material layer formed on a surface thereof; and a separator interposed between the positive and negative electrodes, and including a coating layer containing a conductive material and a polymer binder on the top surface of the negative electrode active material layer, wherein the coating layer is spaced apart from the top end, where the negative electrode tab is formed, and the bottom end by a predetermined distance.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: April 21, 2020
    Inventor: Hyuk-Su Kim
  • Patent number: 10629904
    Abstract: A positive electrode active material includes: a composite particle that includes a particle containing a lithium transition metal composite oxide of Li and Co and a layer that is provided on a surface of the particle and includes an oxide of Li, Ni and Mn. Ni and Mn have a concentration distribution centered on the center from a surface of the composite particle, in a depth range in which a ratio d (%) satisfies 0.04%?d?0.20%, a mole fraction rn of Ni and a mole fraction rm of Mn are within ranges of 0.05?rn and 0.05?rm, respectively, and a ratio rn2/rn1 and a ratio rm2/rm1 are within ranges of 0.85?rn2/rn1?1.0 and 0.85?rm2/rm1?1.0, respectively.
    Type: Grant
    Filed: July 6, 2015
    Date of Patent: April 21, 2020
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Yuki Niwata, Shingo Nakasato, Asuki Yanagihara, Yosuke Hosoya
  • Patent number: 10622614
    Abstract: A cell structure for a secondary battery includes an electrode assembly including a plurality of electrodes, a plurality of electrode tabs extending from the electrodes to an outside of the electrode assembly, and a plurality of lead tabs electrically connected to the electrode tabs and contacting the electrode assembly. In the cell structure, a part of each of the lead tabs is folded, and the electrode tabs are inserted into the folded part of each of the lead tabs.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: April 14, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD
    Inventors: Dongjin Ham, Seungsik Hwang, Jaeman Choi, Moonseok Kwon, Minsang Song
  • Patent number: 10593911
    Abstract: A flexible micro-battery construction which can be contorted in three dimensions while maintaining operation and providing biocompatibility and useful power necessary for small medical and other devices is provided.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: March 17, 2020
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Lawrence Edward Weinstein, Leonard Pagliaro, Jonathan Howarth, Jean-Francois Audebert, Taylor Xu
  • Patent number: 10581051
    Abstract: The invention provides for a reduction in the period of time necessary for recycling a separator winding core around which a nonaqueous electrolyte secondary battery separator is wound. The separator winding core is described by the Munsell color system as (i) a lightness of not less than 3.0 but not more than 9.2 and (ii) a chroma of not less than 0.5.
    Type: Grant
    Filed: October 9, 2017
    Date of Patent: March 3, 2020
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Junji Suzuki, Takamasa Egawa
  • Patent number: 10553911
    Abstract: A battery pack and a battery driving apparatus are disclosed. In one aspect, the battery pack includes a battery comprising at least one battery cell, and a terminal unit configured to be connected to an external apparatus. The battery pack further includes a controller configured to control the battery, be deactivated in a shut down mode, and wake up from the shut-down mode when a voltage is applied to the terminal unit and a wake-up switch configured to electrically connect the battery and the terminal unit.
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: February 4, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Huntae Ro
  • Patent number: 10547073
    Abstract: A fuel cell assembly includes a fuel cell stack including a plurality of fuel cells, an incoming oxidizing gas flow path configured to deliver an oxidizing gas to the plurality of fuel cells, and a chromium-getter material located in the incoming oxidizing flow path. A fuel cell includes an electrolyte, a cathode electrode on a first side of the electrolyte, an anode electrode on a second side of the electrolyte, and a chromium-getter material on the cathode electrode.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: January 28, 2020
    Assignee: BLOOM ENERGY CORPORATION
    Inventors: Manoj Pillai, James Wilson, Tad Armstrong, Chung-Dee Pong, James Chang, Matthias Gottmann, Tulin Akin
  • Patent number: 10541417
    Abstract: The purpose of the present invention is to provide an electrode active material layer exhibiting excellent mechanical strength. This electrode material for a non-aqueous electrolyte secondary battery includes at least an electrode active material, a carbon-based conductive auxiliary agent, and a binder. The carbon-based conductive auxiliary agent has a linear structure, and includes ultra-fine fibrous carbon having an average fibre diameter of more than 200 nm but not more than 900 nm. The electrode material configures an electrode active material layer in which the maximum tensile strength (?M) in a planar direction and the tensile strength (?T) in an in-plane direction orthogonal to the maximum tensile strength (?M) satisfy relational expression (a), namely ?M/?T?1.6.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: January 21, 2020
    Assignee: TEIJIN LIMITED
    Inventors: Kazuki Yachi, Shinya Komura, Asami Kanematsu, Takahiro Daido
  • Patent number: 10535846
    Abstract: A secondary battery having reinforced stability and durability is provided. The secondary battery includes a case having an opening; an electrode assembly in the case with an electrolyte, a cap plate sealing the opening of the case, a terminal assembly electrically connected to the electrode assembly and protruding through the cap plate, and an insulation bag between the electrode assembly and the case to receive the electrode assembly and to hermetically seal the electrolyte.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: January 14, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Dukjung Kim
  • Patent number: 10530004
    Abstract: A first end plate that constitutes a fuel cell stack is provided with an oxidant gas supply manifold member that connects an oxidant gas inlet communication hole and a circular external pipe. The oxidant gas supply manifold member has a non-circular opening portion that communicates with the oxidant gas inlet communication hole and a circular opening portion that communicates with the circular external pipe. The non-circular opening portion is disposed within an area covered by the circular opening portion.
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: January 7, 2020
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Tadashi Nishiyama, Yuta Ikeda, Masaharu Suzuki
  • Patent number: 10529975
    Abstract: One embodiment includes forming surface-modifying phases on a surface of a functional electrode via atomic layer deposition and controlling the chemistry of constituent phases, the crystalline nature of the constituent phases and the thickness of the surface-modifying phase via the atomic layer deposition such that the thickness is between about 2 nm to about 200 nm. The surface-modifying phases enhances the performance of electrocatalytic activity of the functional electrode and the device.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: January 7, 2020
    Assignee: West Virginia University
    Inventors: Xueyan Song, Yun Chen, Kirk Gerdes, Shiwoo Lee