Patents Examined by Ankith R Sripathi
  • Patent number: 11949072
    Abstract: Electrolytes and electrolyte additives for energy storage devices comprising cyanate based compounds are disclosed. The energy storage device comprises a first electrode and a second electrode, wherein at least one of the first electrode and the second electrode is a Si-based electrode, a separator between the first electrode and the second electrode, an electrolyte comprising at least two electrolyte co-solvents, wherein at least one electrolyte co-solvent comprises a cyanate based compound.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: April 2, 2024
    Assignee: Enevate Corporation
    Inventors: Liwen Ji, Benjamin Yong Park, Younes Ansari, Hong Zhao
  • Patent number: 11942622
    Abstract: Compositions and methods for the fabrication of electrode and porous lithium-garnet electrolyte scaffolds for use in solid state batteries and other devices are provided. The methods produce porous structures using phase inversion or high shear compaction processes to fabricate a solid-state battery electrode material from LLZO electrolytes. Engineered electrode structures with a porous scaffold of solid electrolyte material provide lower interfacial resistances and a mechanical support for a thin solid electrode layer improving performance.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: March 26, 2024
    Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Michael Tucker, Fengyu Shen
  • Patent number: 11935999
    Abstract: A lithium secondary battery, in which, by using different electrolytes in a positive electrode and a negative electrode, and using a gel polymer electrolyte, in which a small amount of an electrolyte liquid is impregnated into a polymer matrix, between the negative electrode and the separator, the stability and performance of the electrode may be improved, and therefore, the performance and lifetime of the lithium secondary battery may be enhanced.
    Type: Grant
    Filed: February 14, 2018
    Date of Patent: March 19, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Byoungkuk Son, Minchul Jang, Eunkyung Park, Junghun Choi, Changhun Park
  • Patent number: 11888130
    Abstract: Disclosed are a secondary battery, an active material, a method for preparing the same, and a lithium secondary battery including the same. In an embodiment, provided is a secondary battery including a positive electrode, a negative electrode and an electrolyte, wherein the secondary battery further includes a reaction-inducing substance located in any one of the positive electrode, the negative electrode and the electrolyte, wherein the reaction-inducing substance forms a reaction product by consuming thermal energy when exposed to a predetermined temperature or higher in a use environment of the secondary battery, thereby improving thermal safety of the secondary battery.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: January 30, 2024
    Assignee: L&F CO., LTD.
    Inventors: Sung Kyun Chang, Sang Hoon Jeon, Jun Ho Shin, Ji Woo Oh, Hee Won Jung, Hye-Rim Bae, Chang Hyun Lee, Doe Hyoung Kim
  • Patent number: 11881597
    Abstract: A battery module blocks current when the temperature rises, a battery pack includes the battery module, and a vehicle includes the battery pack. The battery module includes a bus bar having an approximately thin plate shape compared to a length and a width and having linear grooves provided in a left surface and a right surface along a longitudinal direction, respectively; and battery cells respectively located on the left surface and the right surface of the bus bar, physically contacting with their respective electrode leads inserted into the grooves, and electrically connected to each other with the bus bar interposed therebetween, and wherein sizes of the grooves increase in a thickness direction at a certain temperature or higher to release a physical contact between the electrode leads and the bus bar such that an electrical connection between the battery cells is released.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: January 23, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventor: Han-Young Lee
  • Patent number: 11870103
    Abstract: An electrode assembly according to the present disclosure includes one or more unit cells each equipped with a pair of electrodes having different polarities with a separator interposed therebetween, an electrode mixture coated on one or both surfaces of the pair of electrodes, and electrode tabs located on the edges of the respective electrodes and not coated with the electrode mixture, and the electrode tabs include an electrode parallel connection tab and an electrode lead connection tab, and any one or more of the electrode parallel connection tab and the electrode lead connection tab are formed on the electrodes, and an outermost electrode is a negative electrode.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: January 9, 2024
    Assignee: LiBEST INC.
    Inventors: Joo Seong Kim, Jin Hong Ha, Gil Ju Lee
  • Patent number: 11870036
    Abstract: A non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same are disclosed herein. In some embodiments, a non-aqueous electrolyte solution for a lithium secondary battery includes an organic solvent, LiPF6 as a first lithium salt, a second lithium salt excluding the LiPF6, an oligomer represented by Formula 1, as a first additive, and a mixed additive of lithium difluorophosphate (LiDFP), fluorobenzene (FB), and tetravinylsilane (TVS), as a second additive.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: January 9, 2024
    Inventors: Gwang Yeon Kim, Chul Haeng Lee, Kyoung Ho Ahn, Jeong Woo Oh
  • Patent number: 11848454
    Abstract: Batteries according to embodiments of the present technology may include an electrode stack including a separator positioned between an anode and a cathode. The batteries may include an electrolyte. The batteries may include an enclosure extending about the electrode stack and containing the electrolyte. The enclosure may include a rigid housing defining a volume in which the electrode stack and the electrolyte are contained. The rigid housing may define a flange extending about the rigid housing. The enclosure may include a lid extending across the rigid housing. The lid may be characterized by a length and a width, and the lid may define a protrusion extending beyond the length or width on a side of the lid at a location corresponding to a predetermined strain location.
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: December 19, 2023
    Assignee: Apple Inc.
    Inventors: Abhishek P. Shiwalkar, Christopher R. Pasma
  • Patent number: 11837718
    Abstract: A negative electrode for a lithium secondary battery and a lithium secondary battery including the negative electrode are disclosed. The negative electrode includes a negative electrode current collector, a first negative electrode active material layer present on the negative electrode current collector, and a second negative electrode active material layer present on the first negative electrode active material layer. The first negative electrode active material layer includes two or more kinds of first negative electrode active materials, and the second negative electrode active material layer includes a second negative electrode active material having swelling that is smaller than that of the first negative electrode active material layer. Therefore, the surface of the negative electrode does not exhibit deformation during pre-lithiation.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: December 5, 2023
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Jun Hyuk Song, Oh Byong Chae, Eun Kyung Kim, Sang Wook Woo
  • Patent number: 11784322
    Abstract: A metal seawater fuel cell includes a single cell or a battery pack which is composed of more than two single cells connected in series or in parallel or in series and parallel through circuits. The single cell has a metal anode arranged oppositely in a sealed single cell housing, a cathode carrying a hydrogen evolution catalyst, and a diaphragm arranged between the metal anode and the cathode, the bottom and the top of the single cell housing are respectively provided with fluid flow channels, and both ends of the fluid flow channels are respectively provided with openings communicated with the interior and exterior of the housing. The metal anode and/or single cell housing is placed in a closed transitional housing. The transitional housing is a degradable material or can be mechanically damaged by a driving device driven and started by a control device.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: October 10, 2023
    Assignee: Dalian Institute of Chemical Physics, Chinese Academy of Sciences
    Inventors: Erdong Wang, Min Liu, Zhao Yan, Gongquan Sun
  • Patent number: 11749837
    Abstract: In a battery pack disclosed herein, a plurality of single cells are aligned in an alignment direction. In this battery pack, a spacer is disposed in a gap between adjacent ones of the single cells, and a convex rib is formed on the spacer. In a flat surface of each single cell, a region where the rib is in contact is a confined region, and a region where the rib is not in contact is a non-confined region. In the non-confined region within the battery case, an internal pressure adjusting bag filled with a gas is housed. In addition, gas supplying means (soluble part) for supplying the gas held in the internal pressure adjusting bag to an internal space of the battery case is provided. Thus, a negative pressure within the single cell is removed, and deterioration of high-rate performance otherwise caused by outflow of an electrolyte can be prevented.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: September 5, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Keiichiro Kobayashi
  • Patent number: 11721801
    Abstract: A silicon-based electrode forms an interface with a layer pair being: 1. a thin, semi-dielectric layer made of a lithium (Li) compound, e.g. lithium fluoride, LiF, disposed on and adheres to the electrode surface of the silicon-based electrode and 2. an molten-ion conductive layer of a lithium containing salt (lithium salt layer) disposed on the semi-dielectric layer. One or more device layers can be disposed on the layer pair to make devices such as energy storage devices, like batteries. The interface has a low resistivity that reduces the energy losses and generated heat of the devices.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: August 8, 2023
    Assignee: International Business Machines Corporation, Armonk
    Inventors: John Collins, Teodor Krassimirov Todorov, Ali Afzali-Ardakani, Joel P. de Souza, Devendra K. Sadana
  • Patent number: 11705599
    Abstract: This disclosure relates to a battery accommodation module is configured to accommodate a plurality of batteries. The battery accommodation module includes a base container and at least one add-on container. The base container has a first accommodation space configured to accommodate one of the plurality of batteries. The at least one add-on container has a second accommodation space configured to accommodate another one of the plurality of batteries. One of the at least one add-on container is detachably engaged with the base container to cover the first accommodation space.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: July 18, 2023
    Assignees: INVENTEC (PUDONG) TECHNOLOGY CORPORATION, INVENTEC CORPORATION
    Inventor: Chi-Cheng Hsiao
  • Patent number: 11646473
    Abstract: The present disclosure provides an electrode assembly including a first electrode sheet, the first electrode sheet includes a first current collector and a first tab. The first tab extends from a surface of the first electrode sheet and electrically connected with the first current collector, a plurality of tabs are provided and the number of the first tabs is q. The plurality of first tabs include a first breakable tab, the first breakable tab includes a breakable part and a first insulating layer, the first insulating layer wraps the breakable part, the breakable part includes a first segment and a second segment, the first segment is connected with the second segment, and an included angle between the first segment and the second segment is less than 90°. The number of first breakable tabs is p, and p/q?1/2.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: May 9, 2023
    Assignee: NINGDE AMPEREX TECHNOLOGY LIMITED
    Inventor: Jing Jiang
  • Patent number: 11641047
    Abstract: A method for manufacturing a cylindrical battery having multiple tabs is provided in which the cylindrical battery includes an electrode assembly, a cylindrical pouch case, an electrode tab protruding to an upper end of the electrode assembly, and an electrode lead welded and electrically connected to the electrode tab, with the electrode tab being plural. The method includes disposing the plurality of electrode tabs on the electrode assembly; winding the electrode assembly into a cylindrical shape; connecting the electrode lead to the plurality of electrode tabs disposed on the upper end of the electrode assembly; inserting the electrode assembly into the cylindrical pouch case to produce a battery cell; connecting, to the cylindrical pouch case, a gas collecting part for collecting gas generated due to charging and discharging of the electrode; and forming a guide part for preventing deformation of the battery cell in the cylindrical pouch case.
    Type: Grant
    Filed: January 2, 2020
    Date of Patent: May 2, 2023
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Hyojin Park, Joon Sung Bae
  • Patent number: 11563257
    Abstract: Systems, methods, and apparatus for a structurally cross-tied energy cell are disclosed. In one or more embodiments, a battery comprises a plurality of battery cells, each comprising an anode layer and a cathode layer. The battery further comprises a plurality of anode cross ties electrically connected to at least some of the anode layers of the battery. Further, the battery comprises a plurality of cathode cross ties electrically connected to at least some of the cathode layers of the battery. In one or more embodiments, the anode cross ties and the cathode cross ties run through all of the battery cells of the battery. In at least one embodiment, the anode cross ties and the cathode cross ties are manufactured from an electrical conductor material. In some embodiments, the anode cross ties and the cathode cross ties each comprise conductive protrusions, which are located external to the battery.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: January 24, 2023
    Assignee: The Boeing Company
    Inventor: Roger D. Bernhardt
  • Patent number: 11557750
    Abstract: A method for manufacturing an electrode for an all solid battery including the steps of coating a current collector with a slurry including an active material, a conductive material, and a polyimide-based binder; and melting a solid electrolyte having a melting temperature of 50° C. to 500° C. and applying it onto the coating layer and an electrode manufactured therefrom.
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: January 17, 2023
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Da Young Sung, Se Ho Park, Minchul Jang, Suk Il Youn, Byoungkuk Son, Eunkyung Park
  • Patent number: 11522224
    Abstract: The present invention relates to an electrolyte for a lithium secondary battery and a lithium secondary battery including the same, the electrolyte including a lithium salt, an additive containing a compound represented by Formula 1, and an organic solvent.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: December 6, 2022
    Inventors: Hyun Seung Kim, Chui Haeng Lee, Yu Ha An, Jeong Woo Oh
  • Patent number: 11489221
    Abstract: The disclosure relates to a power battery and a battery module. The power battery includes: a case including two openings opposite to each other; an electrode assembly formed by winding a positive electrode sheet, a negative electrode sheet, and a separator disposed around a winding axis, the electrode assembly being disposed in the case, and two opposite ends of the electrode assembly along the winding axis being respectively disposed corresponding to the two openings; a first cap assembly covering one of the two openings, the first cap assembly including a liquid injection hole communicating with an interior of the case; a second cap assembly covering the other opening, the second cap assembly including a through hole communicating with the interior of the case; in a length direction, the liquid injection hole and the through hole are located on a same side of a central axis of the case.
    Type: Grant
    Filed: April 17, 2018
    Date of Patent: November 1, 2022
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventors: Yong Zhou, Zhijun Guo, Peng Wang
  • Patent number: 11424433
    Abstract: A method for manufacturing an electrode having an irregular shape through a simple process while minimizing the amount of wasted electrode active material is provided. The method results in first to third coating areas formed to be spaced apart from each other on a collector, a plurality of fourth coating areas formed between the first coating area and the second coating area, and a plurality of fifth coating areas formed between the second coating area and the third coating area. The plurality of fourth coating areas and the plurality of fifth coating areas are dislocated from each other when viewed from one side in a width direction of the collector.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: August 23, 2022
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Taek Soo Lee, Jung Min Yang, Sang Hoon Choy, Cheol Woo Kim