Patents by Inventor Jianlin Li

Jianlin Li 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: 20250076197
    Abstract: Provided are a fault diagnosis apparatus and method based on fluorescence multivariate correction analysis of transformer oil, relating to the field of transformer fault diagnosis technology. Thus, the problem of large volume and weight of the apparatus, high costs, and inconvenience to use caused when in the related art, a fluorescence spectrometer is directly used to acquire the fluorescence spectrum of transformer oil is solved. The monochromatic excitation light of an optimal excitation wavelength generated by a fluorescence excitation source is used to excite the transformer oil in a fluorescence excitation detection apparatus to generate fluorescence. The fluorescence excitation detection apparatus generates the fluorescence according to the input monochromatic excitation light and inputs the fluorescence to a fluorescence signal acquisition and analysis apparatus.
    Type: Application
    Filed: September 8, 2023
    Publication date: March 6, 2025
    Applicants: STATE GRID ANHUI ELECTRIC POWER RESEARCH INSTITUTE, STATE GRID ANHUI ELECTRIC POWER CO., LTD., HEFEI INSTITUTES OF PHYSICAL SCIENCE, CHINESE ACADEMY OF SCIENCES
    Inventors: Yue Zhao, Jia Xie, Fengxiang Ma, Yumei Song, Feng Zhu, Anjing Wang, Wei Liu, Shan Zhu, Jiong Qi, Zien Liu, Taiyun Zhu, Jun Cao, Jianlin Li, Chao Luo, Qingtao Chen, Chen Hang
  • Patent number: 12189097
    Abstract: Embodiments of the present disclosure disclose an optical imaging system, comprising, sequentially from an object side to an image side along an optical axis: a prism, reflecting light incident to the prism along a first direction, to cause the light to emerge from the prism along a second direction, and a stop, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens sequentially from the prism to an image side along the second direction, each of the first lens to the seventh lens has a refractive power. A total effective focal length f of the optical imaging system and an entrance pupil diameter EPIC of the optical imaging system satisfy: f/EPD<1.4.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: January 7, 2025
    Assignee: Zhejiang Sunny Optics Co., Ltd
    Inventors: Jianlin Li, Yang Li, Tianxiang Xing, Lingbo He, Lin Huang, Fujian Dai, Liefeng Zhao
  • Patent number: 12131709
    Abstract: A dynamic backlight control method, a dynamic backlight module, and a storage medium are provided in the present application. A lamp bead of the dynamic backlight module includes a green chip and at least two blue chips. The dynamic backlight control method includes: receiving a source signal; and when the source signal is a pure blue signal, turning off the green chip, and driving more than two of the blue chips to output blue light.
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: October 29, 2024
    Assignee: HUIZHOU VISION NEW TECHNOLOGY CO., LTD.
    Inventors: Yuqi Yang, Jinlong Liu, Jianlin Li
  • Publication number: 20240355997
    Abstract: A method of making an electrode includes the step of mixing active material particles, radiation curable resin precursors, and electrically conductive particles to create an electrode precursor mixture. The electrode precursor mixture is electrostatically sprayed onto a current collector to provide an electrode preform. The electrode preform is heated and calendered to melt the resin precursor such that the resin precursor surrounds the active particles and electrically conductive particles. Radiation is applied to the electrode preform sufficient to cure the radiation curable resin precursors into resin.
    Type: Application
    Filed: April 26, 2024
    Publication date: October 24, 2024
    Inventors: ZHIJIA DU, CHRISTOPHER JAMES JANKE, JIANLIN LI, DAVID L. WOOD, III, CLAUS DANIEL
  • Publication number: 20240332542
    Abstract: A composite current collector for an electrode is provided. The composite current collector includes a plurality of directionally aligned carbon fibers, a polymer matrix material, and conductive material dispersed in the polymer matrix material. The directionally aligned carbon fibers are impregnated with the polymer matrix material including the dispersed conductive material which may be carbon nanotubes, VGCF, graphene platelets, or carbon black. The polymer matrix material forms a thin film that fills interstitial spaces between the directionally aligned carbon fibers. The polymer matrix material may be, for example, one of poly(L-lactide-co-?-caprolactone) and polyvinylidene fluoride (PVDF). The composite current collector may be free of metal, and the thin film may have a thickness in a range of 5-50 ?m. A method of making the composite current collector, and an electrode including the composite current collector and an electrode material coated on the composite current collector are also provided.
    Type: Application
    Filed: March 12, 2024
    Publication date: October 3, 2024
    Inventors: Jianlin Li, Jaswinder K. Sharma
  • Patent number: 12068472
    Abstract: A method for the regeneration of cathode material from spent lithium-ion batteries is provided. The method includes dissolving a lithium precursor in a polyhydric alcohol to form a solution. Degraded cathode material containing lithium metal oxides are dispersed into the solution under mechanical stirring, forming a mixture. The mixture is heat treated within a reactor vessel or microwave oven. During this heat treatment, lithium is intercalated into the degraded cathode material. The relithiated electrode material is collected by filtration, washing with solvents, and drying. The relithiated electrode material is then ground with a lithium precursor and thermally treated at a relatively low temperature for a predetermined time period to obtain regenerated cathode material.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: August 20, 2024
    Assignee: UT-BATTELLE, LLC
    Inventors: Ilias Belharouak, Yaocai Bai, Rachid Essehli, Jianlin Li
  • Publication number: 20240204276
    Abstract: A method of upcycling cathode active materials is provided. The method includes mixing two or more precursor materials at ambient temperature to form a first eutectic mixture. The method further includes mixing a cathode active material with the first eutectic mixture to form a second eutectic mixture. The method further includes subjecting the second eutectic mixture to a two-step calcination process. The two-step calcination process includes first calcining the second eutectic mixture at a first temperature for a first period of time to obtain an intermediate material and second, calcining the intermediate material at a second temperature for a second period of time to obtain an upcycled cathode active material. The second temperature is higher than the first temperature, and the upcycled cathode active material has a composition that is different than a composition of the cathode active material. A cathode active material formed by the method is also provided.
    Type: Application
    Filed: December 12, 2023
    Publication date: June 20, 2024
    Inventors: Jianlin Li, Mengya Li, William B. Hawley
  • Patent number: 11996557
    Abstract: A method for relithiating cathode material from spent lithium-based batteries, the method comprising: (i) mixing delithiated cathode material and a lithium salt with an ionic liquid in which the lithium salt is at least partially soluble to form an initial mixture; (ii) heating the initial mixture to a temperature of 100° C. to 300° C. to result in relithiation of the delithiated cathode material; and (iii) separating the ionic liquid from the relithiated cathode material; wherein, in embodiments, the cathode material is a lithium metal oxide, wherein the metal is selected from the group consisting of Ni, Co, Fe, Mn, Al, Zr, Ti, Nb, and combinations thereof, or wherein the cathode material has the formula LiNixMnyCozO2, wherein x>0, y>0, z>0, and x+y+z=1; wherein, in some embodiments, the ionic liquid has a nitrogen-containing cationic portion, such as an imidazolium ionic liquid.
    Type: Grant
    Filed: May 4, 2022
    Date of Patent: May 28, 2024
    Assignee: UT-Battelle, LLC
    Inventors: Huimin Luo, Sheng Dai, Tao Wang, Ilias Belharouak, Jianlin Li, Yaocai Bai
  • Patent number: 11984577
    Abstract: A method of making an electrode includes the step of mixing active material particles, radiation curable resin precursors, and electrically conductive particles to create an electrode precursor mixture. The electrode precursor mixture is electrostatically sprayed onto a current collector to provide an electrode preform. The electrode preform is heated and calendered to melt the resin precursor such that the resin precursor surrounds the active particles and electrically conductive particles. Radiation is applied to the electrode preform sufficient to cure the radiation curable resin precursors into resin.
    Type: Grant
    Filed: March 29, 2022
    Date of Patent: May 14, 2024
    Assignee: UT-BATTELLE, LLC
    Inventors: Zhijia Du, Christopher James Janke, Jianlin Li, David L. Wood, III, Claus Daniel
  • Patent number: 11916206
    Abstract: A method of recycling lithium-ion batteries is disclosed. The method includes isolating a composite electrode that comprises an electrode material adhered to a current collector with a polyvinylidene difluoride (PVDF) binder from a spent lithium-ion battery. The method also includes contacting the composite electrode in a polyol fluid capable of releasing the PVDF binder from the current collector without substantially altering either component. The composite electrode may be a cathode or an anode. The method also includes rapidly delaminating the electrode material from the current collector to give a free electrode material and a free current collector, and recovering each of the free electrode material and the free current collector from the mixture. The free electrode material may be reused to prepare another composite electrode, as well as a lithium-ion battery comprising the same, which are also disclosed.
    Type: Grant
    Filed: February 16, 2021
    Date of Patent: February 27, 2024
    Assignee: UT-BATTELLE, LLC
    Inventors: Ilias Belharouak, Yaocai Bai, Jianlin Li, Rachid Essehli
  • Publication number: 20230361264
    Abstract: A method of manufacturing a hybrid bilayer-coated electrode is provided. The method includes providing a current collector. The method also includes forming a first layer on the current collector, and forming a second layer on top of the first layer by freeze casting a slurry onto the first layer. A hybrid bilayer-coated electrode is also disclosed. The hybrid bilayer-coated electrode includes a current collector. A first layer is formed on a surface of the current collector. A second layer is formed on top of the first layer such that the first layer is sandwiched between the current collector and the second layer. The second layer is formed by freeze casting, and the first layer is formed by other than freeze casting. The second layer has a tortuosity that is less than a tortuosity of the first layer.
    Type: Application
    Filed: April 27, 2023
    Publication date: November 9, 2023
    Inventors: Jianlin Li, Dhrupadkumar P. Parikh
  • Patent number: 11791477
    Abstract: A method of making a solid oxide fuel cell (SOFC) includes the steps of providing a first SOFC layer laminate tape comprising a first SOFC layer composition attached to a flexible carrier film layer, providing a second SOFC laminate tape comprising a second SOFC layer composition attached to a flexible carrier film layer, and providing a third SOFC layer laminate tape comprising a third SOFC layer composition attached to a flexible carrier film layer. The first SOFC layer laminate tape, the second SOFC layer laminate tape, and the third SOFC layer laminate tape are assembled on rolls positioned along a roll-to-roll assembly line. The laminate tapes are sequentially laminated and calendered and the flexible carrier films removed to provide a composite SOFC precursor laminate that can be sintered and combined with a cathode to provide a completed SOFC. An assembly for making composite SOFC precursor laminates is also disclosed.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: October 17, 2023
    Assignees: UT-BATTELLE, LLC, REDOX POWER SYSTEMS, LLC
    Inventors: Jianlin Li, Dhrupadkumar P. Parikh, Thomas Langdo, Sean R. Bishop, Bryan M. Blackburn
  • Publication number: 20230317022
    Abstract: A dynamic backlight control method, a dynamic backlight module, and a storage medium are provided in the present application. A lamp bead of the dynamic backlight module includes a green chip and at least two blue chips. The dynamic backlight control method includes: receiving a source signal; and when the source signal is a pure blue signal, turning off the green chip, and driving more than two of the blue chips to output blue light.
    Type: Application
    Filed: July 1, 2021
    Publication date: October 5, 2023
    Applicant: HUIZHOU VISION NEW TECHNOLOGY CO., LTD.
    Inventors: Yuqi Yang, Jinlong Liu, Jianlin Li
  • Patent number: 11676548
    Abstract: The disclosure discloses a light source unit, a backlight module and a display device, wherein the light source unit comprises a printed circuit board and a plurality of light source groups, the plurality of light source groups are arranged on the printed circuit board, and each light source group at least comprises a red light source, a green light source and a blue light source; the plurality of light source groups are divided into a plurality of regions, and each region is independently controlled. According to the disclosure, the light source groups are divided into regions, and the display signals of the light source groups in each region are controlled through independent control switches, so that the backlight LED light source can be lighted regionally in high brightness and high color gamut region, and the energy consumption is reduced.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: June 13, 2023
    Assignee: Shenzhen TCL New Technology Co., Ltd.
    Inventors: Minna Yang, Jianlin Li
  • Publication number: 20220376240
    Abstract: A method for relithiating cathode material from spent lithium-based batteries, the method comprising: (i) mixing delithiated cathode material and a lithium salt with an ionic liquid in which the lithium salt is at least partially soluble to form an initial mixture; (ii) heating the initial mixture to a temperature of 100° C. to 300° C. to result in relithiation of the delithiated cathode material; and (iii) separating the ionic liquid from the relithiated cathode material; wherein, in embodiments, the cathode material is a lithium metal oxide, wherein the metal is selected from the group consisting of Ni, Co, Fe, Mn, Al, Zr, Ti, Nb, and combinations thereof, or wherein the cathode material has the formula LiNixMnyCozO2, wherein x>0, y>0, z>0, and x+y+z=1; wherein, in some embodiments, the ionic liquid has a nitrogen-containing cationic portion, such as an imidazolium ionic liquid.
    Type: Application
    Filed: May 4, 2022
    Publication date: November 24, 2022
    Inventors: Huimin Luo, Sheng Dai, Tao Wang, Ilias Belharouak, Jianlin Li, Yaocai Bai
  • Publication number: 20220328800
    Abstract: A method for the regeneration of cathode material from spent lithium-ion batteries is provided. The method includes dissolving a lithium precursor in a polyhydric alcohol to form a solution. Degraded cathode material containing lithium metal oxides are dispersed into the solution under mechanical stirring, forming a mixture. The mixture is heat treated within a reactor vessel or microwave oven. During this heat treatment, lithium is intercalated into the degraded cathode material. The relithiated electrode material is collected by filtration, washing with solvents, and drying. The relithiated electrode material is then ground with a lithium precursor and thermally treated at a relatively low temperature for a predetermined time period to obtain regenerated cathode material.
    Type: Application
    Filed: June 30, 2021
    Publication date: October 13, 2022
    Inventors: Ilias Belharouak, Yaocai Bai, Rachid Essehli, Jianlin Li
  • Publication number: 20220216454
    Abstract: A method of making an electrode includes the step of mixing active material particles, radiation curable resin precursors, and electrically conductive particles to create an electrode precursor mixture. The electrode precursor mixture is electrostatically sprayed onto a current collector to provide an electrode preform. The electrode preform is heated and calendered to melt the resin precursor such that the resin precursor surrounds the active particles and electrically conductive particles. Radiation is applied to the electrode preform sufficient to cure the radiation curable resin precursors into resin.
    Type: Application
    Filed: March 29, 2022
    Publication date: July 7, 2022
    Inventors: ZHIJIA DU, CHRISTOPHER JAMES JANKE, JIANLIN LI, DAVID L. WOOD, III, CLAUS DANIEL
  • Publication number: 20220206273
    Abstract: Embodiments of the present disclosure disclose an optical imaging system, comprising, sequentially from an object side to an image side along an optical axis: a prism, reflecting light incident to the prism along a first direction, to cause the light to emerge from the prism along a second direction, and a stop, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens sequentially from the prism to an image side along the second direction, each of the first lens to the seventh lens has a refractive power. A total effective focal length f of the optical imaging system and an entrance pupil diameter EPIC of the optical imaging system satisfy: f/EPD<1.4.
    Type: Application
    Filed: December 9, 2021
    Publication date: June 30, 2022
    Inventors: Jianlin Li, Yang Li, Tianxiang Xing, Lingbo He, Lin Huang, Fujian Dai, Liefeng Zhao
  • Publication number: 20220185693
    Abstract: An improved method of forming a transition metal layered oxide material for alkali-ion battery cathodes include combining an alkali-containing precursor and at least one transition metal precursor or other metal precursor at a low temperature of less than 100° C. to form a liquid eutectic alloy mixture. The mixture is then heated at a temperature between 300° C. to 500° C. to pre-calcinate the mixture, and subsequently the pre-calcinated mixture is subjected to a final calcination at a temperature of 500° C. to 1000° C. to obtain a crystalline oxide material. A P2-type or O3-type cathode may be formed with the layered oxide material, and a sodium-ion battery cell may include the so-formed P2-type or O3-type cathode.
    Type: Application
    Filed: December 13, 2021
    Publication date: June 16, 2022
    Inventors: Jianlin Li, Yaocai Bai, Mengya Li, David Wood
  • Patent number: D1067450
    Type: Grant
    Filed: September 15, 2023
    Date of Patent: March 18, 2025
    Assignee: SHENZHEN LINGQIU TECHNOLOGY CO., LTD.
    Inventor: Jianlin Li