Patents Examined by Scott J Chmielecki
  • Patent number: 12034173
    Abstract: A housing element of a battery is disclosed, wherein the housing element (1) is designed to be connected to a further housing element so as to form a common interior space designed for receiving a plurality of battery cells of a battery module, wherein the housing element (1) forms a temperature-control structure (2) on a first side (10) and a covering element (3) is connected to the housing element (1) in such a way that the covering element (3) delimits a flow duct (4), through which temperature-control fluid can flow, in a fluid-tight manner and the temperature-control structure (2) is designed such that the temperature-control fluid can flow around it, wherein furthermore a first element (5) of a battery controller is arranged on the covering element (3) in a thermally conductive manner.
    Type: Grant
    Filed: February 28, 2022
    Date of Patent: July 9, 2024
    Assignee: Robert Bosch GmbH
    Inventors: Benjamin Kopp, Markus Schmitt
  • Patent number: 12027688
    Abstract: A method of manufacturing a negative electrode for lithium secondary batteries. With the method, a negative electrode for lithium secondary batteries having excellent cycle performance may be manufactured by performing a process of compressing the negative electrode after pre-lithiation of the negative electrode so that the porosity of the negative electrode after the pre-lithiation is maintained within a certain range.
    Type: Grant
    Filed: October 10, 2019
    Date of Patent: July 2, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Oh Byong Chae, Sang Wook Woo, Ye Ri Kim
  • Patent number: 12027696
    Abstract: The invention discloses a ternary positive electrode material coated with nitride/graphitized carbon nanosheets and preparation method thereof. The ternary positive electrode material coated with nitride/graphitized carbon nanosheets includes a ternary positive electrode material matrix and a coating layer; the coating layer is composed of nitride and graphitized carbon; and the graphitized carbon is formed in situ in the coating process of the nitride. Compared with a physical mixing method, the in-situ generated carbon layer is connected to the material matrix more tightly, and the formed conductive network is denser. So that the rate performance of the material is improved to the maximum extent. The preparation method is simple and easy to realize industrial production. And the obtained ternary positive electrode material coated with nitride/graphitized carbon nanosheets has excellent rate performance and cycling stability.
    Type: Grant
    Filed: October 26, 2023
    Date of Patent: July 2, 2024
    Assignees: GEM CO., LTD., GEM (HUBEI) NEW ENERGY MATERIALS CO., LTD.
    Inventors: Kaihua Xu, Rui He, Weifeng Ding, Yunhe Zhang, Xiang Zhang, Kun Zhang
  • Patent number: 12021365
    Abstract: A laminated busbar assembly includes one or more busbars that are configured to be electrically coupled to a plurality of battery cells, one or more insulative layers arranged adjacent to the one or more busbars, and a steel layer arranged between the one or more busbars and the plurality of battery cells. The steel layer is configured to shield the one or more busbars from a thermal event associated with one or more battery cells of the plurality of battery cells. The thermal event may include a debris, hot gas, sparks, embers, or other emanations. Each of the battery cells each include a respective venting end, where electrical terminals are located, that face the steel layer. The laminated busbar is a stack of layers that can include two busbars that form a DC bus, with insulation arranged between the busbars and between the steel layer and the proximal busbar.
    Type: Grant
    Filed: March 6, 2023
    Date of Patent: June 25, 2024
    Assignee: Rivian IP Holdings, LLC
    Inventors: Ehsan Baseri, Kyle Butterfield
  • Patent number: 12015124
    Abstract: A solid-state battery including a battery element that includes one or more battery constitutional units, each battery constitutional unit including a positive electrode layer and a negative electrode layer facing each other and a solid electrolyte layer arranged between the positive electrode layer and the negative electrode layer; a first protective layer covering an upper surface of the battery element; and a second protective layer covering a lower surface of the battery element, wherein the first and second protective layers include an insulating substance other than resin.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: June 18, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Makoto Yoshioka, Kenichi Bando
  • Patent number: 12009473
    Abstract: An electrode structure for use in an energy storage device comprising a population of electrodes, a population of counter-electrodes and a microporous separator separating members of the electrode population from members of the counter-electrode population. Each member of the electrode population comprises an electrode active material layer and an electrode current conductor layer, and each member of the electrode population has a bottom, a top, a length LE, a width WE and a height HE, wherein the ratio of LE to each of WE and HE is at least 5:1, the ratio of HE to WE is between 0.4:1 and 1000:1, and the electrode current collector layer of each member of the electrode population has a length LC that is measured in the same direction as and is at least 50% of length LE.
    Type: Grant
    Filed: February 1, 2023
    Date of Patent: June 11, 2024
    Assignee: Enovix Corporation
    Inventors: Harrold J. Rust, III, Ashok Lahiri, Murali Ramasubramanian, Robert M. Spotnitz, Robert A. Cole, Gunther A. Koblmiller, Nirav S. Shah, Brian E. Brusca, Christopher G. Castledine, Laurie J. Lauchlan, James D. Wilcox
  • Patent number: 12002961
    Abstract: The present disclosure relates to an electrode for a lithium secondary battery which includes: an electrode current collector; a primer coating layer disposed on at least one surface of the electrode current collector and including a binder and a conductive material; and an electrode active material layer disposed on the primer coating layer, wherein the binder includes poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) containing vinylidene fluoride (VDF)-derived repeating units and hexafluoropropylene (HFP)-derived repeating units, the content of HFP-derived repeating units in PVDF-HFP is 2-13 wt %, and the primer coating layer has a thickness of 0.8-10 ?m.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: June 4, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Jun-Soo Park, Bum-Young Jung
  • Patent number: 11996555
    Abstract: A ternary cathode material, a preparation method thereof, and a lithium ion battery are provided. The ternary cathode material comprises a micron-sized single-crystalline particle structure of LiNi1-x-y-zCoxMnyMzO2, wherein 0.6<1-x-y-z<1.0, 0<x<0.2, 0<y<0.3, and 0<z<0.1; and the single-crystalline particle structure comprises a central area and surface layer area, wherein the molar ratio of elements in the central area meets Ni:Co:Mn:M=a1:x1:y1:z1, and the molar ratio of elements in the surface layer area meets Ni:Co:Mn:M=a2:x2:y2:z2, in which 0.85?a1<1.0, 0<x1?0.1, 0<y1?0.15, 0?z1?0.05, 0.3?a2?0.7, 0.2?x2, y2?0.4, and 0?z2?0.05, provided that z1 and z2 are not simultaneously zero, and a1/(a1+x1+y1+z1)>a2/(a2+x2+y2+z2); and M comprises at least one selected from Al, Mg, Ti, Ga, Nb, Zr, W, Mo and Ta.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: May 28, 2024
    Assignee: BYD COMPANY LIMITED
    Inventors: Yongqing Gan, Shicai Li, Dongjie Hu, Xiao Shi, Wei Song
  • Patent number: 11984564
    Abstract: Embodiments described herein relate to electrochemical cells with dendrite prevention mechanisms. In some aspects, an electrochemical cell can include an anode disposed on an anode current collector, a cathode disposed on a cathode current collector, the cathode having a first thickness at a proximal end of the cathode and a second thickness at a distal end of the cathode, the second thickness greater than the first thickness, a first separator disposed on the anode, a second separator disposed on the cathode, an interlayer disposed between the first separator and the second separator, the interlayer including electroactive material and having a proximal end and a distal end, and a power source electrically connected to the proximal end of the cathode and the proximal end of the interlayer, the power source configured to maintain a voltage difference between the cathode and the interlayer below a threshold value.
    Type: Grant
    Filed: December 18, 2023
    Date of Patent: May 14, 2024
    Assignee: 24M Technologies, Inc.
    Inventors: Junzheng Chen, Naoki Ota, Chad Alan Hartzog, Xiaoming Liu, Michelle Robyn Brouwer, Anthony D'Angelo, Daniel Salazar, Timothy Allen Hans, Junhua Song
  • Patent number: 11978910
    Abstract: Provided are an electrode assembly, a battery cell, a battery, and an electrical device. The electrode assembly includes first electrode plates and a second electrode plate that are of opposite polarities. The second electrode plate and two first electrode plates are stacked and wound to form the electrode assembly. The second electrode plate is located between the two first electrode plates. Each of the first electrode plates includes a first composite current collector and a first active material layer. The first active material layer is disposed on a surface that is of the first composite current collector and that is oriented back from the second electrode plate. The first composite current collector is configured to dielectrically isolate the first active material layer from the second electrode plate and allow passage of ions transmitted between the first active material layer and the second electrode plate.
    Type: Grant
    Filed: September 21, 2023
    Date of Patent: May 7, 2024
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Changsheng He, Mingjian Liu, Keqiang Li, Xiaosong Liu, Bin Xie, Zhiyang Wu
  • Patent number: 11978871
    Abstract: Provided is a battery that includes a battery module having a battery cell, and a cooler including an inlet part through which refrigerant flows in from outside, and an outlet part through which the refrigerant flows out, and configured to cool the battery module as the refrigerant circulates inside the cooler. The cooler includes an inlet side flow passage that communicates with the inlet part and is provided at a position overlapping a heating region, and an outlet side flow passage that communicates with the inlet side flow passage and the outlet part, and is provided at a position overlapping a non-heating region.
    Type: Grant
    Filed: February 28, 2022
    Date of Patent: May 7, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Satoko Tofukuji
  • Patent number: 11978859
    Abstract: Provided is a non-aqueous electrolyte solution for a lithium secondary battery containing a lithium salt, an organic solvent and a phosphoric acid-based additive of Formula 1 below, which significantly improves the high temperature stability of the lithium secondary battery: wherein R is described herein.
    Type: Grant
    Filed: November 8, 2022
    Date of Patent: May 7, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Haeun Kim, Jeongwoo Oh, Chul Haeng Lee
  • Patent number: 11978922
    Abstract: The present disclosure is applicable to the technical field related to a secondary battery, and relates to, for example, a separator structure for the secondary battery, a method for preparing the same, and the secondary battery using the same. A separator structure disposed inside a secondary battery includes a porous support body including a first face and a second face, and a cellulose nano fiber subjected to an ionic surface treatment located on at least one of the first face and the second face of the support body.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: May 7, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Eunja Lim, Hongcheol Lee, Eunseck Kang, Juchul Lee, Koun Park, Misun Lee
  • Patent number: 11973206
    Abstract: A safety device comprises a first heat dissipation part, a second heat dissipation part and a connecting part. The connecting part is arranged between the first heat dissipation part and the second heat dissipation part, and at least one heat locking hole disposed thereon. The heat locking hole of the connecting part can reduce a diffusion speed of heat of the connecting part, so that the heat is concentrated between the first heat locking hole and the second heat locking hole, and thus the connecting part can be fused in time at a high temperature.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: April 30, 2024
    Assignee: Globe (Jiangsu) Co., Ltd
    Inventors: Chuanjun Liu, Ming Luo, Huage Wang, Xian Zhuang
  • Patent number: 11973244
    Abstract: A battery module includes a cell stack; a bus bar frame assembly having a front bus bar frame configured to cover one longitudinal side of the cell stack, a rear bus bar frame configured to cover another longitudinal side of the cell stack, and an upper cover configured to cover at least a portion of an upper surface of the cell stack; and a module frame coupled to the bus bar frame assembly, wherein the front bus bar frame includes at least one first upper guide formed to protrude at an upper end thereof and at least one first side guide formed to protrude at a side portion thereof, and the rear bus bar frame includes at least one second upper guide formed to protrude at an upper end thereof and at least one second side guide formed to protrude at a side portion thereof.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: April 30, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Young-Ho Lee, Jun-Yeob Seong, Jong-Ha Jeong
  • Patent number: 11952466
    Abstract: The present application relates to a binder compound of formula (I), a method for preparing the same, and an electrode sheet comprising the same. In formula (I), R1, R2, and R3 each independently represents an unsubstituted or substituted linear or branched alkyl with 1-6 carbon atoms, or an unsubstituted or substituted aryl with 6-20 carbon atoms; R4 represents —COOM; R5 represents a bridging oxo or bridging imino; each M independently represents one of Li, Na, K, Rb, and Cs; Z represents a linear or branched alkylene with 1-6 carbon atoms; m is an integer selected from 7,600 to 47,000; n is an integer selected from 1,520 to 94,000; and m/n=0.1-10.
    Type: Grant
    Filed: October 18, 2023
    Date of Patent: April 9, 2024
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Jianghui Lin, Yanjie Zhao, Xing Li, Haizu Jin
  • Patent number: 11955627
    Abstract: A novel anode for a zinc battery is proposed, in which zinc is provided as a coat of zinc powder onto a tin substrate, which is in turn laid over a copper substrate for a current collector. Alternatively, the coat of zinc powder is laid over titanium as the current collector. Such configurations mitigate zinc corrosion and hydrogen production.
    Type: Grant
    Filed: January 20, 2022
    Date of Patent: April 9, 2024
    Assignee: CITY UNIVERSITY OF HONG KONG
    Inventors: Chunyi Zhi, Qing Li
  • Patent number: 11955624
    Abstract: The present disclosure relates to blended cathode materials for use as a positive electrode material of a rechargeable electrochemical cell (or secondary cell) (such as a lithium-ion secondary battery) and also relates to a secondary battery including a cathode having the blended cathode materials. In particular, disclosed are blends of lithium vanadium fluorophosphate (LVPF) or a derivative thereof with one or more conventional cathode active materials in certain weight ratios thereof.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: April 9, 2024
    Assignee: SAFT AMERICA
    Inventors: Xilin Chen, Frank Cao
  • Patent number: 11929490
    Abstract: The present disclosure relates to an anode for a lithium secondary battery, wherein an anode material layer is formed on at least one surface of an anode current collector, and the anode material layer includes large-particle graphite, a small-particle silicon-based material, and fine-particle graphite, and satisfies the following conditions 1 to 3: [Condition 1] Average diameter D50 of the large-particle graphite (D1): 1 to 50 ?m [Condition 2] Average diameter D50 of the small-particle silicon-based material (D2): 0.155D1 to 0.414D1 [Condition 3] Average diameter D50 of the fine-particle graphite (D3): 0.155D1 to 0.414D1, or 0.155D2 to 0.414D2.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: March 12, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Junghyun Choi, Hyeon Min Song, Joo Hwan Sung, Han Sol Park, Minsu Cho, Sunghae Park, Jingoo Kwak, Younguk Park, Sue Jin Kim, Jinsu Jang
  • Patent number: 11916195
    Abstract: An electrolyte solution containing a compound (1) represented by the formula (1), (wherein R101 and R102 are each individually a substituent such as a C1-C7 alkyl group, and the substituent optionally contains at least one divalent to hexavalent hetero atom in a structure or optionally has a structure obtained by replacing at least one hydrogen atom by a fluorine atom or a C0-C7 functional group) and at least one compound (11) selected from compounds such as a compound represented by formula (11-1) (wherein R111 and R112 are the same as or different from each other and are each a hydrogen atom or the like, and R113 is an alkyl group free from a fluorine atom or the like):
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: February 27, 2024
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Masakazu Kinoshita, Tomoya Hidaka, Toshiharu Shimooka, Shigeaki Yamazaki, Hisako Nakamura, Takaya Yamada, Yuuki Suzuki, Yoshiko Kuwajima, Kenzou Takahashi, Akiyoshi Yamauchi, Kotaro Hayashi