Patents by Inventor Min Yue

Min Yue 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).

  • Patent number: 12258274
    Abstract: Provided are a preparation method of a long-cycle modified graphite-based composite material and a lithium ion battery containing the material. The method including: (1) mixing a graphite material and a coating modifier; (2) placing the mixture into a self-pressurized reaction device, then placing the device in a heating apparatus to perform a self-pressurized impregnation experiment, during which temperature is controlled to increase in such a manner that the coating modifier is gradually liquefied after reaching a softening point, to completely impregnate the graphite material under self-pressurizing and to be distributed on a surface of the graphite material; (3) cooling; and (4) performing a heat treatment in an inert atmosphere to obtain the modified graphite-based composite material.
    Type: Grant
    Filed: February 18, 2019
    Date of Patent: March 25, 2025
    Assignee: BTR NEW MATERIAL GROUP CO., LTD.
    Inventors: Xiujun Pan, Dongdong Li, Haihui Zhou, Jianguo Ren, Youyuan Huang, Min Yue
  • Publication number: 20250096270
    Abstract: Provided are an anode material with a surface joined to an adhesive, a preparation method therefor, and use thereof. The anode material with a surface joined to an adhesive includes the anode material and the adhesive joined to the surface of the anode material, where the adhesive includes a first polymer and a second polymer, polymerized monomers of the first polymer include any one or a combination of at least two of an acrylate monomer, an acrylamide monomer, an acrylonitrile monomer, or a styrene monomer, the second polymer is a two-component polymer, and the anode material includes any one of a silicon-carbon anode material, a silicon-oxygen anode material, an artificial graphite anode material, or a natural graphite anode material.
    Type: Application
    Filed: July 19, 2023
    Publication date: March 20, 2025
    Inventors: Min YUE, Ning DU, Luqi WANG, Qingfu DENG
  • Patent number: 12255323
    Abstract: A preparation method obtains silicon oxide/carbon composite negative electrode material and a lithium-ion battery. The silicon oxide/carbon composite negative electrode material is a secondary particle, and mainly consists of a SiOx/C material. The SiOx/C material includes SiOx particles and a carbon layer with which the surfaces of the SiOx particles are coated. The SiOx particles include Si crystallites. The preparation method includes: 1) synthesizing a silicon oxide bulk; 2) performing crushing to obtain micro-level or nano-level SiOx particles; 3) mixing with a carbon binder; 4) granulating; 5) modification and carbonization; and 6) post-processing.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: March 18, 2025
    Assignee: BTR NEW MATERIAL GROUP CO., LTD.
    Inventors: Jingwei Wang, Chunlei Pang, Tengyu Liang, Jianguo Ren, Min Yue, Xueqin He
  • Publication number: 20250070138
    Abstract: A negative electrode material of a lithium ion secondary battery includes a carbon coating layer and a core layer. The core layer comprises lithium polysilicate and silicon oxide. A preparation method for the negative electrode material and a use therefor are described. The negative electrode material has high first coulomb efficiency, long cycle performance, excellent rate performance, and high safety.
    Type: Application
    Filed: November 8, 2024
    Publication date: February 27, 2025
    Inventors: Lijuan QU, Chunlei PANG, Jianguo REN, Youyuan HUANG, Min YUE
  • Patent number: 12195824
    Abstract: The present invention relates to a method and device for preparing an ultrathin metal lithium foil. With regard to the problems of lithium preparation processes in the prior art having a high lithium preparation reaction temperature, a low lithium recovery rate, low purity in collected lithium foils, a complicated process operation, etc., the present invention provides a method for preparing an ultrathin metal lithium foil, wherein firstly, a complex lithium salt is prepared, the complex lithium salt and a reducing agent are then subjected to a vacuum thermal reduction reaction so as to generate a metal vapor, the metal vapor is then subjected to vacuum distillation, and finally, vacuum evaporation is used to prepare the ultrathin metal lithium foil of the present invention.
    Type: Grant
    Filed: November 1, 2021
    Date of Patent: January 14, 2025
    Assignee: SHENZHEN YANYI NEW MATERIALS CO., LTD.
    Inventors: Kai Yang, Shi-Qi Zhang, Wei-Jing Feng, Xiao-Fei Zhang, Chao Qian, Min Yue, Bo Liu
  • Patent number: 12166210
    Abstract: Provided is a negative electrode material of a lithium ion secondary battery. The negative electrode material includes a carbon coating layer and a core layer. The core layer includes lithium polysilicate and silicon oxide, and silicon is uniformly embedded in the lithium polysilicate and/or in the silicon oxide. The negative electrode material has high first coulomb efficiency, long cycle performance, excellent rate performance and high safety.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: December 10, 2024
    Assignee: BTR New Material Group Co., Ltd.
    Inventors: Lijuan Qu, Chunlei Pang, Jianguo Ren, Youyuan Huang, Min Yue
  • Publication number: 20240297345
    Abstract: A lithium bis(fluorosulfonyl)imide, a preparation method therefor and an application thereof, wherein iminodisulfonic acid is synthesized by using sulfur trioxide and ammonia as raw materials, the iminodisulfonic acid is chlorinated by means of thionyl chloride to obtain bis(chlorosulfonyl)imide, and then fluorination and lithiation are performed in sequence to obtain the lithium bis(fluorosulfonyl)imide. The method has excellent yield and purity; and compared with a traditional process, the method has the advantages of simple raw materials, less generation of three wastes, green environmental protection, fewer side reactions, low cost and the like, and is easy to industrialize.
    Type: Application
    Filed: November 5, 2021
    Publication date: September 5, 2024
    Inventors: Min YUE, Yi YU, Xianbing HU
  • Publication number: 20240279259
    Abstract: Disclosed are lithium difluoro-bis(oxalate)phosphate, a preparation method therefor, and an application thereof. The preparation method comprises the following steps: (1) mixing oxalyl chloride and lithium hexafluorophosphate with a nonaqueous solvent, adding siloxane, and reacting to obtain a lithium difluoro-bis(oxalate)phosphate solution; and (2) adding a poor solvent into the lithium difluoro-bis(oxalate)phosphate solution for crystallization treatment to obtain the lithium difluoro-bis(oxalate)phosphate. According to the present application, raw materials such as lithium hexafluorophosphate, oxalyl chloride, and hexamethyldisiloxane are used for preparing the difluoro-bis(oxalate)phosphate, and the method of the present application is few in side reaction, few in impurities, high in product purity, and suitable for industrial production.
    Type: Application
    Filed: May 20, 2022
    Publication date: August 22, 2024
    Applicant: SHENZHEN YANYI NEW MATERIALS CO., LTD.
    Inventors: Min YUE, Yi Yu
  • Publication number: 20240186480
    Abstract: The present invention relates to a multi-layer lithium metal battery negative electrode, and a preparation method and preparation device therefor. The multi-layer lithium metal battery negative electrode comprises a current collector, a lithium metal layer, a fast ion conductor layer and a functional protection layer. The present invention also relates to a method for preparing the multi-layer lithium metal battery negative electrode, the method characterized by comprising the following steps: (1) a step of evaporating a lithium metal; (2) a step of evaporating a fast ion conductor; and (3) a step of coating a protective material and a polymer solid electrolyte. In addition, the present invention relates to a device for preparing the multi-layer lithium metal battery negative electrode.
    Type: Application
    Filed: November 5, 2021
    Publication date: June 6, 2024
    Applicant: SHENZHEN YANYI NEW MATERIALS CO., LTD.
    Inventors: Min YUE, Shiqi ZHANG, Weijing FENG, Kai YANG, Chao QIAN
  • 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
  • Publication number: 20240099920
    Abstract: A method for controlling a device for automatically adjusting an airway opening body position is provided. The device includes a horizontal base plate, a head support block, a back support plate, a neck support apparatus, a head cover assembly, and a programmable logic controller (PLC). The neck support apparatus is positioned between the head support block and the back support plate. The PLC is configured to controls a stroke of an electric cylinder according to the following equations: ?=1.235?+?, and ?=KX+B+C, where ? is a body position angle, the body position angle is an angle between a positive projection line of a connecting line from a mandibular angle to an external acoustic meatus on a symmetrical surface of a human body and the back support plate, and ? is a preset value ranging from 90° to 100°.
    Type: Application
    Filed: November 14, 2022
    Publication date: March 28, 2024
    Inventors: XIANG-MEI YANG, MIN-YUE SUN, HONG-MEI CHEN, YAN LUO, JUN WU, JUAN HUANG, DONG-MEI LI, QING ZENG, JING ZHOU, JING WEN, JIN-JIN GUO
  • Patent number: 11929484
    Abstract: Disclosed in the present application is a compound, comprising nano silicon, a lithium-containing compound and a carbon coating, or comprising nano silicon, silicon oxide, a lithium-containing compound, and a carbon coating. The method comprises: (1) solid-phase mixing of carbon coated silicon oxide with a lithium source; and (2) preforming heat-treatment of the pre-lithium precursor obtained in step (1) in a vacuum or non-oxidising atmosphere to obtain a compound. The method is simple, and has low equipment requirements and low costs; the obtained compound has a stable structure and the structure and properties do not deteriorate during long-term storage, a battery made of cathode material containing said compound exhibits high delithiation capacity, high initial coulombic efficiency, and good recycling properties, the charging capacity is over 1920 mAh/g, the discharging capacity is over 1768 mAh/g, and the initial capacity is over 90.2%.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: March 12, 2024
    Assignee: BTR NEW MATERIAL GROUP CO., LTD.
    Inventors: Chunlei Pang, Lijuan Qu, Jianguo Ren, Min Yue
  • Publication number: 20240072304
    Abstract: Lithium difluorophosphate, a preparation method therefor, and an application thereof. Lithium hexafluorophosphate and silicon tetrachloride are utilized to generate lithium difluorotetrachloro phosphate, then lithium difluorotetrachloro phosphate reacts with lithium carbonate to obtain a mixture of lithium difluorophosphate and lithium chloride, and then the mixture is purified to obtain high-purity lithium difluorophosphate. The method has simple steps, low cost, short reaction time, and a high conversion rate.
    Type: Application
    Filed: November 5, 2021
    Publication date: February 29, 2024
    Inventors: Min YUE, Tianming FENG, Yi YU, Xianming WANG
  • Patent number: 11909035
    Abstract: The present application provides a composite negative electrode material of a lithium ion battery, a preparation method thereof and the use thereof in a lithium ion battery. The composite negative electrode material includes a SiOx-based active material and a polycarbonate coating layer coated on a surface of the SiOx-based active material. The method includes: (1) preparing a monomer solution of unsaturated carbonate; (2) polymerizing the monomer in presence of a polymerization catalyst to obtain a polymer solution; and (3) adding a SiOx-based active material, water and a polymer catalyst to the polymer solution, and further polymerizing to coat the SiOx-based active material, to obtain the composite negative electrode material.
    Type: Grant
    Filed: February 18, 2019
    Date of Patent: February 20, 2024
    Assignee: BTR NEW MATERIAL GROUP CO., LTD.
    Inventors: Zhiqiang Deng, Chunlei Pang, Jianguo Ren, Youyuan Huang, Min Yue
  • Publication number: 20240055660
    Abstract: Disclosed are a hexafluorophosphate, phosphorus pentafluoride, a preparation method therefor and an application thereof. The preparation method for the hexafluorophosphate comprises the following steps: mixing a phosphoric acid solution of phosphorus pentoxide, sulfur trioxide and a fluoride in an inert gas atmosphere, sequentially performing evaporation concentration, dissolution, filtration and drying after the reaction, and obtaining the hexafluorophosphate. The method for preparing phosphorus pentafluoride from the hexafluorophosphate obtained by the preparation method provided by the present application comprises the following steps: mixing the hexafluorophosphate and a catalyst solution, carrying out catalytic reaction, and sequentially performing condensation, pressurized liquefaction and adsorption-based impurity removal, and obtaining phosphorus pentafluoride.
    Type: Application
    Filed: December 27, 2022
    Publication date: February 15, 2024
    Applicant: SHENZHEN YANYI NEW MATERIALS CO., LTD.
    Inventors: Min YUE, Chunhui ZHANG
  • Publication number: 20240011124
    Abstract: The present invention relates to a method and device for preparing an ultrathin metal lithium foil. With regard to the problems of lithium preparation processes in the prior art having a high lithium preparation reaction temperature, a low lithium recovery rate, low purity in collected lithium foils, a complicated process operation, etc., the present invention provides a method for preparing an ultrathin metal lithium foil, wherein firstly, a complex lithium salt is prepared, the complex lithium salt and a reducing agent are then subjected to a vacuum thermal reduction reaction so as to generate a metal vapor, the metal vapor is then subjected to vacuum distillation, and finally, vacuum evaporation is used to prepare the ultrathin metal lithium foil of the present invention.
    Type: Application
    Filed: November 1, 2021
    Publication date: January 11, 2024
    Applicant: SHENZHEN YANYI NEW MATERIALS CO., LTD.
    Inventors: Kai YANG, Shi-Qi ZHANG, Wei-Jing FENG, Xiao-Fei ZHANG, Chao QIAN, Min YUE, Bo LIU
  • Patent number: 11791461
    Abstract: Disclosed is a composite silicon negative electrode material. The composite silicon negative electrode material comprises a nano silicon (1), a nano composite layer (5) coated on the surface of the nano silicon, and a conductive carbon layer (4) uniformly coated outside the nano composite layer (5). The nano composite layer (5) is a silicon oxide (2) and a metal alloy (3).
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: October 17, 2023
    Assignee: BTR NEW MATERIAL GROUP CO., LTD.
    Inventors: Peng He, Sheng Li, Min Yue, Eming Guo
  • Publication number: 20230290949
    Abstract: A lithium-ion battery positive electrode lithium supplement additive, a preparation method, and a lithium-ion battery are provided. The additive has an Li2NiO2 purity that is greater than 95%, a total residual alkali less than 3%, an initial charge gram capacity of 420-465 mAh/g, and an irreversible capacity of 260-340 mAh/g. The method includes: preparing a composite lithium salt, mixing the composite lithium salt with a nickel source, sintering and crushing same, and obtaining the lithium-ion battery positive electrode lithium supplement additive. The additive is added to a positive electrode active material of the positive electrode of the lithium-ion battery. The Li2NiO2 obtained has a purity of greater than 95%, the total residual alkali is less than 3%, the initial charge gram capacity is 420-465 mAh/g, and the irreversible capacity is 260-340 mAh/g.
    Type: Application
    Filed: October 9, 2020
    Publication date: September 14, 2023
    Applicant: SHENZHEN YANYI NEW MATERIALS CO., LTD.
    Inventors: Min YUE, Fan XIA, Junqi CHEN
  • Patent number: 11757089
    Abstract: A carbon matrix composite material, a preparation method therefor and a battery comprising the same. The carbon matrix composite material comprises micron-sized soft carbon, micron-sized hard carbon, a nano-active material, a first carbon coating layer and a second carbon coating layer, wherein the first carbon coating layer is coated on a surface of the nano-active material to form composite particles; the composite particles are dispersed on the surfaces of the soft carbon and the hard carbon, and in the second carbon coating layer; and the second carbon coating layer coats soft carbon, the hard carbon and the composite particles.
    Type: Grant
    Filed: September 30, 2018
    Date of Patent: September 12, 2023
    Assignee: BTR NEW MATERIAL GROUP CO., LTD.
    Inventors: Peng He, Eming Guo, Jianguo Ren, Youyuan Huang, Min Yue
  • Publication number: 20230144631
    Abstract: Provided is a surface probe-based quantitative PCR testing system, comprising: (a) a solid phase carrier; (b) a specific primer pair of a sequence to be tested, which comprises a first primer and a second primer; and (c) a quenching probe. Further provided are a method for quantitative PCR testing and a kit.
    Type: Application
    Filed: March 24, 2021
    Publication date: May 11, 2023
    Applicant: FLASHDX SHENZHEN INC.
    Inventor: Min YUE