Patents by Inventor Jian Jun Li

Jian Jun 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).

  • Patent number: 9219276
    Abstract: A cathode composite material includes a cathode active material particle having a surface and a continuous aluminum phosphate layer. The continuous aluminum phosphate layer is coated on the surface of the cathode active material particle. The present disclosure also relates to a lithium ion battery including the cathode composite material.
    Type: Grant
    Filed: May 13, 2011
    Date of Patent: December 22, 2015
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Xian-Kun Huang, Xiang-Ming He, Chang-Yin Jiang, Dan Wang, Jian Gao, Jian-Jun Li
  • Patent number: 9203087
    Abstract: A cathode composite material includes a cathode active material particle having a surface and a continuous aluminum phosphate layer coated on the surface of the cathode active material particle. A material of the cathode active material particle is layered type lithium nickel manganese oxide. The present disclosure also relates to a lithium ion battery and a method for making the cathode composite material.
    Type: Grant
    Filed: May 13, 2011
    Date of Patent: December 1, 2015
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Xian-Kun Huang, Xiang-Ming He, Chang-Yin Jiang, Dan Wang, Jian Gao, Jian-Jun Li
  • Patent number: 9172082
    Abstract: The present disclosure relates to an electrode composite material. The electrode composite material includes a number of electrode composite material particles. Each of the plurality of electrode composite material particles includes an electrode active material particle and a doped aluminum phosphate layer coated on a surface of the electrode active material particle. A material of the doped aluminum phosphate layer is a semiconducting doped aluminum phosphate.
    Type: Grant
    Filed: April 29, 2011
    Date of Patent: October 27, 2015
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Xian-Kun Huang, Xiang-Ming He, Chang-Yin Jiang, Dan Wang, Jian Gao, Jian-Jun Li
  • Patent number: 9172110
    Abstract: A solid electrolyte includes an interpenetrating polymer network, a plasticizer and a lithium salt. The plasticizer and the lithium salt are dispersed in the interpenetrating polymer network. The interpenetrating polymer network includes CH2—CH2—On segments, and is formed by polymerizing a first monomer R1—OCH2—CH2—OnR2 with a second monomer R3—OCH2—CH2—OmR4 under an initiator. The “R1”, “R2” or “R3” respectively includes —C?C— group or —C?C— group. The “R4” includes an alkyl group or a hydrogen atom. The “m” and “n” are integers. A molecular weight of the first monomer or a molecular weight of the second monomer is greater than or equal to 100, and less than or equal to 800. The first monomer is less than or equal to 50% of the second monomer by weight. The lithium salt is less than or equal to 10% the second monomer by weight. A lithium based battery using the solid electrolyte is also provided.
    Type: Grant
    Filed: October 16, 2012
    Date of Patent: October 27, 2015
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Li Wang, Xiang-Ming He, Jian-Jun Li, Jian Gao, Chang-Yin Jiang
  • Patent number: 9159988
    Abstract: A method for making a current collector of an electrochemical battery is disclosed. In the method, a current collecting metal substrate and a solid graphite source are provided. A graphite/graphene layer is formed on at least one surface of the current collecting metal substrate, by rubbing the at least one surface of the current collecting metal substrate with the solid graphite source. A method for making an electrode of an electrochemical battery is also disclosed.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: October 13, 2015
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Xiang-Ming He, Jian-Jun Li, Li Wang, Jian Gao
  • Publication number: 20150288497
    Abstract: The present invention relates to a device and a method for transmitting a reference signal in a multi-antenna system. The present specification discloses a method for receiving a reference signal, the method comprising the steps of: receiving, from a base station, first channel state information (CSI) reference signal (CSI-RS) configuration information including individual parameters necessary when a terminal receives a first CSI-RS from a horizontally adjacent horizontal representative antenna among the all of the transmission antennas of the base station and second CSI-RS configuration information including individual parameters necessary when the terminal receives a second CSI-RS from a vertically adjacent vertical representative antenna; and receiving the respective first and second CSI-RSs from the base station on the basis of the first CSI-RS configuration information and the second CSI-RS configuration information.
    Type: Application
    Filed: October 17, 2013
    Publication date: October 8, 2015
    Applicant: Pantech Co., Ltd.
    Inventors: Jian Jun Li, Kyoung Min Park
  • Patent number: 9122112
    Abstract: The present disclosure provides a liquid crystal lens, a controlling method thereof and a 3D display using the same. The liquid crystal lens includes a pair of electrode structures which are arranged apart from each other; and a liquid crystal layer which is arranged between the pair of electrode structures and includes a plurality of liquid crystal molecules aligned in an initial aligning direction in which the liquid crystal layer has a non-lens effect. The pair of electrode structures are arranged to generate a first electric field which is used to change aligning directions of the liquid crystal molecules to make the liquid crystal layer have a lens effect. The pair of electrode structures are further arranged to generate a second electric field which is used to make the liquid crystal molecules revert to the initial aligning direction.
    Type: Grant
    Filed: August 30, 2013
    Date of Patent: September 1, 2015
    Assignee: SuperD Co., Ltd.
    Inventors: Chih-Wei Chen, Po-Chuan Chen, Yi-Pai Huang, Jian-Jun Li
  • Patent number: 9123942
    Abstract: A method for making a separator of a lithium ion battery is provided. In the method, a modifier, and a porous membrane are provided. The modifier is a mixture of a phosphorus source having a phosphate radical, a trivalent aluminum source, and a metallic oxide provided in a liquid phase solvent. The modifier is coated on a surface of the porous membrane to form a coating layer. The coated porous membrane is dried to form a modifier layer disposed on the surface of the porous membrane.
    Type: Grant
    Filed: February 16, 2012
    Date of Patent: September 1, 2015
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Xiang-Ming He, Wei-Hua Pu, Li-Chun Zhang, Jian-Guo Ren, Jian-Jun Li, Jian Gao
  • Patent number: 9099689
    Abstract: A method for making current collector is described. In the method, a substrate, a graphene film, and a plastic support film are provided. The substrate has a surface. The graphene film is disposed on the surface of the substrate. The graphene film disposed on the surface of the substrate and the plastic support film are laminated to form a substrate-graphene-plastic support film composite structure. The substrate is removed.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: August 4, 2015
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Xiang-Ming He, Li Wang, Jian-Jun Li, Jian Gao, Jian-Wei Guo
  • Patent number: 9054379
    Abstract: A cathode composite material includes a cathode active material particle having a surface, and a continuous aluminum phosphate layer coated on the surface of the cathode active material particle. A material of the cathode active material particle is spinel type lithium manganese oxide. The present disclosure also relates to a lithium ion battery and a method for making the cathode composite material.
    Type: Grant
    Filed: May 13, 2011
    Date of Patent: June 9, 2015
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Xian-Kun Huang, Xiang-Ming He, Chang-Yin Jiang, Dan Wang, Jian Gao, Jian-Jun Li
  • Patent number: 9054380
    Abstract: A method for making a lithium battery cathode material is disclosed. A mixed solution including a solvent, an iron salt material, and a phosphate material is provided. An alkaline solution is added into the mixed solution until the mixed solution has a pH value ranging from about 1.5 to 5. The iron salt react with the phosphate material to form a plurality of iron phosphate precursor particles which are added in a mixture of a lithium source solution and a reducing agent to form a lithium iron phosphate precursor slurry. The lithium iron phosphate precursor slurry is heat-treated.
    Type: Grant
    Filed: December 27, 2010
    Date of Patent: June 9, 2015
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Gai Yang, Chang-Yin Jiang, Jian Gao, Jie-Rong Ying, Jian-Jun Li, Xiang-Ming He
  • Patent number: 9034693
    Abstract: A method of manufacturing an integrated circuit package includes: forming a substrate including: forming a core layer, and forming vias in the core layer; forming a conductive layer having a predetermined thickness on the core layer and having substantially twice the predetermined thickness in the vias; and forming connections between an integrated circuit die and the conductive layer.
    Type: Grant
    Filed: September 28, 2011
    Date of Patent: May 19, 2015
    Assignee: ST ASSEMBLY TEST SERVICES LTD.
    Inventors: Il Kwon Shim, Kwee Lan Tan, Jian Jun Li, Dario S. Filoteo, Jr.
  • Patent number: 9029018
    Abstract: A method for making a lithium battery cathode material is disclosed. A mixed solution including a solvent, an iron salt material, a vanadium source material and a phosphate material is provided. An alkaline solution is added in the mixed solution to make the mixed solution have a pH value ranging from about 1.5 to 5. The iron salt, the vanadium source material and the phosphate material react with each other to form a plurality particles of iron phosphate precursor doped with vanadium which are added in a mixture of a lithium source solution and a reducing agent to form a slurry of lithium iron phosphate precursor doped with vanadium. The slurry of lithium iron phosphate precursor doped with vanadium is heat-treated.
    Type: Grant
    Filed: December 27, 2010
    Date of Patent: May 12, 2015
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Gai Yang, Chang-Yin Jiang, Jian Gao, Jie-Rong Ying, Jian-Jun Li, Xiang-Ming He
  • Patent number: 9017872
    Abstract: A lithium titanate composite material includes lithium titanate particles and an AlPO4/C composite layer disposed on a surface of the lithium titanate particles. The AlPO4/C composite layer includes aluminum phosphate and carbon. The lithium titanate composite material, as an anode active material, can be applied to a lithium ion battery to increase its electrochemical stability.
    Type: Grant
    Filed: May 3, 2011
    Date of Patent: April 28, 2015
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Xian-Kun Huang, Xiang-Ming He, Chang-Yin Jiang, Dan Wang, Jian Gao, Jian-Jun Li
  • Patent number: 9017873
    Abstract: A lithium titanate composite material includes a lithium titanate particle and a double layered structure coated on a surface of the lithium titanate particle. The double layered structure includes a carbon layer directly disposed on the surface of the lithium titanate particle, and an AlPO4 layer disposed on an outer surface of the carbon layer. The lithium titanate composite material, as an anode active material, can be applied to a lithium ion battery to increase its electrochemical stability.
    Type: Grant
    Filed: May 3, 2011
    Date of Patent: April 28, 2015
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Xian-Kun Huang, Xiang-Ming He, Chang-Yin Jiang, Dan Wang, Jian Gao, Jian-Jun Li
  • Patent number: 9017639
    Abstract: In the method for making graphene, an electrolyte solution is formed by dissolving an electrolyte lithium salt in an organic solvent. Lithium ions are separated out from the electrolyte lithium salt in the electrolyte solution. Metal lithium and graphite are disposed in the electrolyte solution, and the metal lithium and the graphite are in contact with each other. In the electrolyte solution, lithium ions and organic solvent molecules jointly insert between adjacent layers of the graphite to form a graphite intercalation compound. The graphene is peeled off from the graphite intercalation compound.
    Type: Grant
    Filed: July 20, 2012
    Date of Patent: April 28, 2015
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Xiang-Ming He, Li Wang, Jian-Jun Li, Jian-Wei Guo, Wen-Ting Sun, Jian-Guo Ren
  • Publication number: 20150111100
    Abstract: A method for making an electrode active material of a lithium ion battery is provided. A sulfur grafted poly(pyridinopyridine) is synthesized. The sulfur grafted poly(pyridinopyridine) includes a poly(pyridinopyridine) matrix and a plurality of poly-sulfur groups dispersed in the poly(pyridinopyridine) matrix. The electrically conductive polymer is coated on a surface of the sulfur grafted poly(pyridinopyridine). An electrode active material of a lithium ion battery is also provided.
    Type: Application
    Filed: November 4, 2013
    Publication date: April 23, 2015
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., TSINGHUA UNIVERSITY
    Inventors: XIANG-MING HE, LI WANG, JIAN-JUN LI, JIAN GAO
  • Publication number: 20150086461
    Abstract: A method for making lithium iron phosphate is provided. A lithium chemical compound, a ferrous chemical compound, and a phosphate-radical chemical compound are mixed in an organic solvent to form a mixture. The mixture is solvothermal reacted in a solvothermal reactor at a predetermined temperature. A protective gas is introduced into the solvothermal reactor during the solvothermal reaction to increase a pressure in the solvothermal reactor to a level higher than a self-generated pressure of the solvothermal reaction.
    Type: Application
    Filed: November 15, 2013
    Publication date: March 26, 2015
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., TSINGHUA UNIVERSITY
    Inventors: LI WANG, XIANG-MING HE, JI-XIAN WANG, JIAN GAO, JIAN-JUN LI
  • Patent number: 8980470
    Abstract: A lithium ion battery comprises a shell, a cell disposed in the shell, and two lugs connected to the cell. Each of the lugs comprises a conductive foil with a surface and a PTC layer disposed on the surface of the conductive foil. The lugs conduct currents between the lithium ion battery and an outer circuit.
    Type: Grant
    Filed: April 19, 2011
    Date of Patent: March 17, 2015
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Jian-Jun Li, Xiang-Ming He, Min Chen, Li-Juan Feng
  • Patent number: 8980140
    Abstract: The present disclosure relates to a method for making an electrode composite material. In the method, a trivalent aluminum source, a doped element source, and electrode active material particles are provided. The trivalent aluminum source and the doped element source are dissolved in a solvent to form a solution having trivalent aluminum ions and doped ions. The electrode active material particles are mixed with the solution having the trivalent aluminum ions and doped ions to form a mixture. A phosphate radical containing solution is added to the mixture to react with the trivalent aluminum ions and doped ions, thereby forming a number of electrode composite material particles. The electrode composite material particles are heated.
    Type: Grant
    Filed: April 29, 2011
    Date of Patent: March 17, 2015
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Xian-Kun Huang, Xiang-Ming He, Chang-Yin Jiang, Dan Wang, Jian Gao, Jian-Jun Li