Patents Examined by Wyatt P McConnell
  • Patent number: 11984610
    Abstract: A battery pack can include a bay having a first bay wall and a second bay wall. The battery pack can include a battery cell having a top portion and a bottom portion. The top portion of the battery cell can face the first bay wall of the bay and the bottom portion of the battery cell can face a second bay wall of the bay.
    Type: Grant
    Filed: December 28, 2022
    Date of Patent: May 14, 2024
    Assignee: Rivian IP Holdings, LLC
    Inventors: Jonathan Christopher Wilson, Kyle Butterfield, Yann Marie Philippe Pissonnier, Leon Decordiva Brown
  • Patent number: 11978905
    Abstract: The present application discloses a secondary battery, an apparatus comprising the secondary battery, a process for the preparation of the secondary battery, and a binder composition. The secondary battery comprises a binder for bonding a first substance and a second substance, the binder comprising a polymer obtained by crosslinking a binder composition, wherein the binder composition comprises a cross-linkable polymer matrix and a cross-linking agent, the cross-linkable polymer matrix comprises one or more of monomer units represented by formula (I), and the cross-linking agent comprises a compound represented by formula (II). The secondary battery provided by the present application has an effectively improved cycle life.
    Type: Grant
    Filed: May 17, 2022
    Date of Patent: May 7, 2024
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventor: Ze Zhong
  • Patent number: 11978902
    Abstract: A method for preparing an anode, including the step of adding an auxiliary agent with Si—C and Si—O bonds. The method for preparing the anode can reduce defects on a surface of the anode to produce a high-quality anode.
    Type: Grant
    Filed: December 25, 2019
    Date of Patent: May 7, 2024
    Assignee: NINGDE AMPEREX TECHNOLOGY LIMITED
    Inventor: Kefei Wang
  • Patent number: 11973217
    Abstract: The present disclosure provides a negative electrode active material that can realize excellent low temperature characteristics. An negative electrode active material for a lithium ion secondary battery disclosed herein includes a carbon material that is able to reversibly occlude and release lithium ions and a carbon coating layer that is formed on a surface of the carbon material, and the carbon coating layer contains carbon atoms and phosphorus atoms. In addition, in the carbon coating layer, when a peak of a P2p spectrum measured through X-ray photoelectron spectroscopy (XPS) is subjected to waveform separation, it has a peak at a position at which the binding energy is 131 eV.
    Type: Grant
    Filed: December 3, 2021
    Date of Patent: April 30, 2024
    Assignee: PRIME PLANET ENERGY & SOLUTIONS, INC.
    Inventor: Shinsuke Matsuhara
  • Patent number: 11973188
    Abstract: A non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte. The non-aqueous electrolyte contains a lithium salt and a carboxylic acid, and the lithium salt includes lithium difluorophosphate. The content of the carboxylic acid in the non-aqueous electrolyte is 5 ppm or more and 900 ppm or less with respect to the mass of the non-aqueous electrolyte.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: April 30, 2024
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yasuko Nozaki, Tasuku Ishiguro, Tomohisa Okazaki
  • Patent number: 11973220
    Abstract: The invention relates to active electrode materials and to methods for the manufacture of active electrode materials. Such materials are of interest as active electrode materials in lithium-ion or sodium-ion batteries. The invention provides an active electrode material expressed by the general formula M1aM22-aM3bNb34-bO87-c-dQd.
    Type: Grant
    Filed: June 15, 2023
    Date of Patent: April 30, 2024
    Assignee: Echion Technologies Limited
    Inventors: Alexander Groombridge, Zhihong Cai, Daniel Martin, Prince Babbar
  • Patent number: 11967704
    Abstract: The present disclosure is directed to a negative electrode active material for lithium secondary batteries, to a method for preparing the same, and to a lithium secondary battery including the same, the negative electrode active material including a porous core in which scaly silicon fragments are connected in an entangled manner; and a shell layer covering the core, where the shell layer includes a carbon-based material and silicon, and the shell layer has a thickness in a range of more than 10 to less than 60% with respect to an average particle diameter D50 of the negative electrode active material.
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: April 23, 2024
    Assignee: Hansol Chemical Co., Ltd.
    Inventors: Seman Kwon, Soonho Hong, Hyeonwoo Shim, Sunghwan Kang, Byunghoon Park
  • Patent number: 11967708
    Abstract: Disclosed are a lithium ion battery negative electrode material and a preparation method therefor. The negative electrode material comprises SiOy (0.2<y<0.9) and an M compound, wherein M is a metal. The method of the present application comprises: subjecting a raw material comprising a SiOx material and the metal M to a redox reaction, wherein the O/Si ratio, i.e. x, of the SiOx (0.5<x<1.5) material is adjusted to y (0.2<y<0.9), and at the same time, the metal M is oxidized to obtain the M compound.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: April 23, 2024
    Assignee: BTR NEW MATERIAL GROUP CO., LTD.
    Inventors: Tengyu Liang, Chunlei Pang, Jianguo Ren, Min Yue
  • Patent number: 11962021
    Abstract: The present invention is directed to a battery pack including improved temperature sensing features. The battery pack includes a plurality of battery cells, a battery cell holder holding the battery cells in a fixed position relative to each other, a printed circuit board attached to the battery cell holder and a thermistor attached to the printed circuit board in a position between the printed circuit board and at least one of the plurality of battery cells to sense a temperature of at least one of the plurality of battery cells. The printed circuit board includes a cutout to retain heat in the thermistor.
    Type: Grant
    Filed: December 3, 2020
    Date of Patent: April 16, 2024
    Assignee: BLACK & DECKER INC.
    Inventors: Nathan J. Cruise, Alexander R. Barton, Ralphy A. Louis
  • Patent number: 11958759
    Abstract: A ternary oxide based composite cathode material for a lithium-sulfur battery and a preparation method thereof are provided wherein the composite cathode material includes: sulfur and LiNi0.8Co0.15Al0.05O2 or LiNixCoyMn1-x-yO2 (0<x<1, 0<y<1, 0<x+y<1), wherein a sulfur content is 50 wt. %-80 wt. %. The host has adsorption and catalytic effects on polar polysulfides, which can fix sulfur and promote electrochemical reactions, thereby preparing lithium-sulfur battery with high capacity and high stability.
    Type: Grant
    Filed: January 19, 2019
    Date of Patent: April 16, 2024
    Assignee: NANKAI UNIVERSITY
    Inventors: Xueping Gao, Lu Wang, Guoran Li, Sheng Liu
  • Patent number: 11955643
    Abstract: Provided is a current collector with an easily adhesive layer including an easily adhesive layer that is provided on at least one surface of a current collector, in which the easily adhesive layer includes a polymer having a solubility of 1 g/100 g or higher in toluene at 25° C. Provided are also an electrode, an all-solid state secondary battery, an electronic apparatus, and an electric vehicle that include the current collector with an easily adhesive layer, and methods of manufacturing the current collector with an easily adhesive layer, the electrode, and the all-solid state secondary battery.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: April 9, 2024
    Assignee: FUJIFILM Corporation
    Inventors: Shin Ozawa, Hiroshi Isojima
  • Patent number: 11949120
    Abstract: A battery includes a battery element, a housing body, and a valve device. The housing body is constituted by at least one laminate including at least a base material layer, a barrier layer, and a heat-sealable resin layer layered in that order and houses the battery element. The valve device is in communication with the inside of the housing body. A joined edge portion in which the mutually facing heat-sealable resin layers are fused together is formed in a peripheral edge portion of the housing body. The valve device includes a first portion and a second portion. A valve mechanism configured to reduce the internal pressure of the housing body if the internal pressure is increased due to gas generated in the housing body is formed in the first portion. An air passage configured to guide gas generated in the housing body toward the valve mechanism is formed in the second portion. The first portion is located on an outer side of an edge of the joined edge portion.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: April 2, 2024
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Youichi Mochizuki, Atsuko Takahagi, Rikiya Yamashita, Miho Sasaki
  • Patent number: 11950353
    Abstract: Disclosed is a battery management system circuit, including: a substrate; a first resistor part disposed on the substrate and including a plurality of resistors; a second resistor part disposed on the substrate and including a plurality of resistors; and a first perforation formed by piercing the substrate between the first resistor part and the second resistor part, and the first perforation diffuses heat generated by the first resistor part and the second resistor part.
    Type: Grant
    Filed: March 9, 2020
    Date of Patent: April 2, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Ki Young Lee, Wongon Kim
  • Patent number: 11942640
    Abstract: Provided is a negative electrode active material for a lithium secondary battery which includes: a silicon-silicon oxide-magnesium silicate composite comprising a silicon oxide (SiOx, 0<x?2) matrix; and silicon (Si) crystal grains, MgSiO3 crystal grains and Mg2SiO4 crystal grains present in the silicon oxide matrix, wherein the MgSiO3 crystal grains have a crystal size of 5-30 nm and the Mg2SiO4 crystal grains have a crystal size of 20-100 nm in the silicon-silicon oxide-magnesium silicate composite, and the content ratio of MgSiO3 crystal grains to Mg2SiO4 crystal grains is 2:1-1:1 on the weight basis. A method for preparing the negative electrode active material for a lithium secondary battery is also provided.
    Type: Grant
    Filed: January 20, 2020
    Date of Patent: March 26, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Il-Geun Oh, Dong-Hyuk Kim, Yong-Ju Lee
  • Patent number: 11932554
    Abstract: A more efficient and lower cost method for producing electrochemically stable, and thus safe from thermal runaway, high electrochemical capacity coated lithium nickelate is disclosed. The coated nickelate hydroxide particles are formed from a mixed metal sulfate solution (MMS) serving as the starting material that is obtained from recycled lithium ion and/or nickel metal hydride batteries. The coating of the particles includes a relatively small amount of cobalt/manganese oxide forming the surface of the nickelate particles, while the core of the particles includes a relatively large amount of nickel in relation to the weight of the coating. Battery cathode electrodes may be manufactured by using the obtained coated lithium nickelate particles as the cathode active material (CAM) in forming the battery cathodes.
    Type: Grant
    Filed: March 15, 2023
    Date of Patent: March 19, 2024
    Assignee: American Hyperform, Inc.
    Inventor: William Novis Smith
  • Patent number: 11929485
    Abstract: A secondary battery includes a positive electrode, a negative electrode, and an electrolyte. The positive electrode includes a positive electrode active material layer that includes a positive electrode active material, a fluorine-based binder having a melting point from 152° C. to 166° C., a conductive assistant having a specific surface area from 1000 m2/g to 1500 m2/g, and a vinylpyrrolidone-based polymer.
    Type: Grant
    Filed: February 18, 2021
    Date of Patent: March 12, 2024
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Nobuyuki Iwane, Hiroshi Horiuchi
  • Patent number: 11923554
    Abstract: An extruded hollow plate and an electric vehicle battery casing formed by combining the extruded hollow plates. The extruded hollow plate has a plate-shaped body having a constant cross-section, a cavity is provided inside the plate-shaped body, a protrusion and/or a groove is provided at an end of the body, the protrusion is bent downward, the groove opens upwards as a hook, and the arc surfaces forming the protrusion and the groove each comprise at least two involute surfaces. Compared with the existing battery box manufacturing process of friction stir welding, the combining and bonding connection manner has the significant advantages of rapid production speed, a low device cost, high flatness, etc.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: March 5, 2024
    Inventor: Yi Ma
  • Patent number: 11923543
    Abstract: A nonaqueous electrolyte secondary battery according to an embodiment of the present invention includes a positive electrode, a negative electrode, and a nonaqueous electrolyte, wherein the negative electrode contains, as a negative electrode active material, graphite particles having a volume per mass, of pores having a diameter of 2 nm or less determined by the DFT method from nitrogen adsorption isotherm, of 0.3 mm3/g or less.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: March 5, 2024
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yoshio Kato, Yoshinori Kida, Masahiro Shiraga
  • Patent number: 11916197
    Abstract: An electrolyte solution additive for a secondary battery, a non-aqueous electrolyte solution including the same, and a lithium secondary battery including the same are disclosed herein. To be specific, the above non-aqueous electrolyte solution includes the electrolyte solution additive comprising the compound represented by Formula 1: wherein, in Formula 1, R1 and R2 are each independently an unsubstituted or substituted alkylene group having 1 to 5 carbon atoms, and L is a direct bond, —O—, —COO—, —RO—, or —R?COO—, wherein R and R? are each independently an alkylene group having 1 to 10 carbon atoms. The additive has an excellent effect of scavenging a decomposition product generated from a lithium salt.
    Type: Grant
    Filed: March 24, 2022
    Date of Patent: February 27, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Jeong Woo Oh, Chul Haeng Lee, Sung Guk Park
  • Patent number: 11916192
    Abstract: A multilayer solid-state electrolyte, solid-state battery cells including the same, and methods of making the electrolyte and the battery cells are disclosed. The multi-layer solid-state electrolyte includes a solid bulk electrolyte layer comprising carbon-doped lithium phosphorus oxynitride (LiPON) or WO3+x (where 0?x?1), and a solid anode interface layer comprising LiPON or a metal oxide that forms a stable complex oxide with lithium oxide and conducts lithium ions when lithiated. The anode interface layer has a thickness less than that of the bulk electrolyte layer. The method of making the multi-layer solid-state electrolyte includes depositing one of the solid bulk electrolyte layer and the solid anode interface layer on an active layer of a battery cell, then depositing the other layer on the one layer. As for the solid-state electrolyte, the anode interface layer has a thickness less than that of the bulk electrolyte layer.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: February 27, 2024
    Assignee: Ensurge Micropower ASA
    Inventors: Zhongchun Wang, Arvind Kamath