Patents by Inventor Li Jiang

Li Jiang 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).

  • Method for transferring nanomaterials
    Patent number: 10414141
    Abstract: A method of transferring nanomaterials with sugar, the method including: depositing a colloidal sugar layer on a first substrate; pressing a second substrate and a nanomaterial layer located on the second substrate on the colloidal sugar layer, wherein the nanomaterial layer is adhered to the colloidal sugar layer; solidifying the colloidal sugar layer into a solid sugar layer; tearing the second substrate; locating a fourth substrate on the nanomaterial layer; placing the first substrate, the solid sugar layer, the nanomaterial layer and the fourth substrate in a solvent, wherein the solid sugar layer is dissolved in the solvent, and the nanomaterial layer is detached from the first substrate and attached to the fourth substrate.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: September 17, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Li-Na Zhang, Xiao-Rui Zhang, Xiao-Hua Gu, Kai-Li Jiang, Shou-Shan Fan
  • Method for calculating surface electric field distribution of nanostructures
    Patent number: 10408871
    Abstract: The disclosure relates to a method for calculating surface electric field distribution of nanostructures. The method includes the following steps of: providing a nanostructure sample located on an insulated layer of a substrate; spraying first charged nanoparticles to the insulated surface; blowing vapor to the insulated surface and imaging the first charged nanoparticles via an optical microscope, recording the width w between the first charged nanoparticles and the nanostructure sample, and obtaining the voltage U of the nanostructure sample by an equation.
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: September 10, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Jiang-Tao Wang, Xiang Jin, Peng Liu, Yang Wei, Kai-Li Jiang, Shou-Shan Fan
  • Proton exchange membrane fuel cell with a bellows-shaped membrane electrode assembly device
    Patent number: 10396373
    Abstract: The disclosure relates to a proton exchange membrane fuel cell. The fuel cell includes: a container, wherein the container includes a reacting room, a fuel room connected to the reacting room through a fuel inputting hole, a fuel inputting door located on the fuel inputting hole, a waste collecting room connected to the reacting room through a waste outputting hole, a waste outputting door located on the waste outputting hole; a membrane electrode assembly located in the reacting room, wherein the membrane electrode assembly device defines a bellows and a pipe connected to the bellows and extending out of the reacting room, the reacting room is divided into a first electrode space outside the bellows and a second electrode space inside the bellows, the volume of the first electrode space and the second electrode space can be changed by deforming the bellows.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: August 27, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Li-Na Zhang, Kai-Li Jiang, Shou-Shan Fan
  • Device for in-situ measuring electrical properties of carbon nanotube array
    Patent number: 10386316
    Abstract: A device for in-situ measuring electrical properties of a carbon nanotube array comprises a chamber, a substrate, a first electrode, a connecting wire, a second electrode, a support structure, and a measuring meter. The substrate, the first electrode, the connecting wire, the second electrode, and the support structure are located inside of the chamber. The measuring meter is located outside of the chamber, and the measuring meter is electrically connected to the first electrode and the second electrode. The first electrode defines a cavity, and the substrate is suspended in the cavity by interaction of the support structure, the second electrode, and the connecting wire.
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: August 20, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Jiang-Tao Wang, Xiang Jin, Peng Liu, Yang Wei, Kai-Li Jiang, Shou-Shan Fan
  • Lithium ion battery electrode
    Patent number: 10388963
    Abstract: A lithium ion battery electrode includes an electrode material layer. The lithium ion battery electrode further includes a current collector. The current collector is located on a surface of the electrode material layer. The current collector is a carbon nanotube layer. The carbon nanotube layer consists of a number of carbon nanotubes.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: August 20, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Jia-Ping Wang, Ke Wang, Kai-Li Jiang, Shou-Shan Fan
  • Erosion and wear resistant sonoelectrochemical probe
    Patent number: 10386320
    Abstract: The present invention, in one set of embodiments, provides methods and systems for integrating conducting diamond electrodes into a high power acoustic resonator. More specifically, but not by way of limitation, in certain embodiments of the present invention, diamond electrodes may be integrated into a high power acoustic resonator to provide a robust sensing device that may provide for acoustic cleaning of the electrodes and increasing the rate of mass transport to the diamond electrodes. The diamond electrodes may be used as working, reference or counter electrodes or a combination of two or more of such electrodes. In certain aspects, the high power acoustic resonator may include an acoustic horn for focusing acoustic energy and the diamond electrodes may be coupled with the acoustic horn.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: August 20, 2019
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Clive E. Hall, Li Jiang, Timothy G. J. Jones, Andrew Meredith, Nathan S. Lawrence, Markus Pagels
  • Method for making carbon nanotube composite structure
    Patent number: 10385173
    Abstract: A method for making a carbon nanotube composite structure includes providing a polymer substrate having a first surface and a second surface opposite to the first surface. A first carbon nanotube layer including a plurality of carbon nanotubes is placed on the first surface to form a preformed structure, wherein the carbon nanotube layer and the polymer substrate are stacked with each other. The preformed structure is scanned with a laser according to a predetermined pattern. The treated preformed structure includes a first part and a second part. The first part is scanned by the laser, and the second part is not scanned by the laser. The first part includes a plurality of first carbon nanotubes, and the second part includes a plurality of second carbon nanotubes. The plurality of second carbon nanotubes is removed.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: August 20, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Kai-Li Jiang, Peng Liu, Wen Ning, Jia-Ping Wang, Shou-Shan Fan
  • Electrostatic sensing device
    Patent number: 10386983
    Abstract: An electrostatic sensing device comprises an electrostatic sensing module and a control unit electrically connected to the electrostatic sensing module. The electrostatic sensing module comprises a first electrostatic sensing element comprising opposite ends, and two first electrodes. The two first electrodes are separately located on and electrically connected to the two opposite ends of the first electrostatic sensing element. The first electrostatic sensing element is a single walled carbon nanotube or a few-walled carbon nanotube. The control unit electrically is configured to apply a direct voltage to the first electrostatic sensing element and measure a current/resistance of the first electrostatic sensing element.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: August 20, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Xin-He Wang, Dong-Qi Li, Jiang-Tao Wang, Wen-Yun Wu, Yu-Jun He, Peng Liu, Qing-Yu Zhao, Kai-Li Jiang, Shou-Shan Fan
  • Apparatus and method for forming organic light emitting diode
    Patent number: 10388880
    Abstract: A method for forming an organic light emitting diode is provided. A substrate and an evaporating source are provided. A first electrode is formed on a surface of the substrate. The evaporating source is spaced from the first electrode. The carbon nanotube film structure is heated to gasify an organic light emitting material and form an organic light emitting layer on a surface of the first electrode. A second electrode is formed on a surface of the organic light emitting layer.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: August 20, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yang Wei, Hao-Ming Wei, Kai-Li Jiang, Shou-Shan Fan
  • Electrostatic sensing device
    Patent number: 10386982
    Abstract: An electrostatic sensing device comprises an electrostatic sensing module and a control unit electrically connected to the electrostatic sensing module. The electrostatic sensing module comprises a first electrostatic sensing element comprising opposite ends, and two first electrodes. The two first electrodes are separately located on and electrically connected to the two opposite ends of the first electrostatic sensing element. The first electrostatic sensing element is a single walled carbon nanotube or a few-walled carbon nanotube. The control unit electrically is configured to apply a direct voltage to the first electrostatic sensing element and measure a current/resistance of the first electrostatic sensing element.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: August 20, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Xin-He Wang, Dong-Qi Li, Jiang-Tao Wang, Wen-Yun Wu, Yu-Jun He, Peng Liu, Qing-Yu Zhao, Kai-Li Jiang, Shou-Shan Fan
  • Lithium ion battery electrode
    Patent number: 10388957
    Abstract: The present disclosure relates to a lithium ion battery electrode. The lithium ion battery electrode comprises a current collector and at least one electrode material layers stacked on the current collector. Each of the at least one electrode material layers comprises an electrode active material layer, a conductive agent, an adhesive material, and a carbon nanotube layered structure. The conductive agent and the adhesive material are dispersed in the electrode active material layer. The carbon nanotube layered structure is located on the electrode active material layer, and at least part of the carbon nanotube layered structure is embedded in the electrode active material layer. The electrode active material layer is located between the current collector and the carbon nanotube layered structure.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: August 20, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Ling-Jia Yan, Jia-Ping Wang, Kai-Li Jiang, Shou-Shan Fan
  • METHOD FOR MAKING ORGANIC LIGHT EMITTING DIODE
    Publication number: 20190252615
    Abstract: A method for making an organic light emitting diode includes providing a first carbon nanotube composite structure having a first surface and a second surface opposite to the first surface. The first carbon nanotube composite structure includes a polymer and a plurality of first carbon nanotubes dispersed in the polymer. A preform structure includes a support body, an anode electrode, a hole transport layer, and an organic light emitting layer stacked on each other in that order. The preform structure is located on the first surface, wherein the first surface is in direct contact with the organic light emitting layer. A cathode electrode is formed on the second surface.
    Type: Application
    Filed: April 24, 2019
    Publication date: August 15, 2019
    Inventors: WEN NING, PENG LIU, KAI-LI JIANG, SHOU-SHAN FAN
  • Photoelectric conversion device
    Patent number: 10381568
    Abstract: A photoelectric conversion device including a photoelectric conversion module, wherein the photoelectric conversion module includes a carbon nanotube structure and a cover structure, the carbon nanotube structure includes a carbon nanotube, the carbon nanotube includes two metallic carbon nanotube segments and one semiconducting carbon nanotube segment between the two metallic carbon nanotube segments, the cover structure covers only a portion of the semiconducting carbon nanotube segment, the part area is a covered area.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: August 13, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Jiang-Tao Wang, Peng Liu, Kai-Li Jiang, Shou-Shan Fan
  • Gravity-based light pressure calibrating device and corresponding method
    Patent number: 10378990
    Abstract: A gravity-based light pressure calibrating device includes a vacuum chamber, a calibration platform, and laser emitters and laser beam expanders, laser beam expanders changing a point light source to an area light source.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: August 13, 2019
    Assignee: Northwestern Polytechnical University
    Inventors: Aiming Shi, Li Jiang
  • Method for making organic light emitting diode
    Patent number: 10374158
    Abstract: A method for making an organic light emitting diode includes providing a first carbon nanotube composite structure having a first surface and a second surface opposite to the first surface. The first carbon nanotube composite structure includes a polymer and a plurality of first carbon nanotubes dispersed in the polymer. A preform structure includes a support body, an anode electrode, a hole transport layer, and an organic light emitting layer stacked on each other in that order. The preform structure is located on the first surface, wherein the first surface is in direct contact with the organic light emitting layer. A cathode electrode is formed on the second surface.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: August 6, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Wen Ning, Peng Liu, Kai-Li Jiang, Shou-Shan Fan
  • Method for making polymer solar cell
    Patent number: 10374182
    Abstract: A method for making a polymer solar cell includes placing a carbon nanotube array into a polymer solution. The carbon nanotube array includes a plurality of carbon nanotubes. The polymer solution is cured to form a polymer layer. The polymer layer includes a first polymer surface and a second polymer surface opposite to the first polymer surface. Each of the plurality of carbon nanotubes includes a first carbon nanotube portion and a second carbon nanotube portion, the first carbon nanotube portion is embedded in the polymer layer, and the second carbon nanotube portion is exposed from the polymer layer. The second carbon nanotube portion is tilted on the first polymer surface to form a carbon nanotube layer. A cathode electrode is formed on a surface of the carbon nanotube layer away from the polymer layer. An anode electrode is formed on the second polymer surface.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: August 6, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Wen Ning, Peng Liu, Kai-Li Jiang, Shou-Shan Fan
  • METHOD FOR TRANSFERRING TWO-DIMENSIONAL NANOMATERIALS
    Publication number: 20190232632
    Abstract: The present invention relates to a method for transferring two-dimensional nanomaterials.
    Type: Application
    Filed: January 20, 2019
    Publication date: August 1, 2019
    Inventors: LIN CONG, WEI ZHAO, JIN ZHANG, YU-CHIEN TSAI, KAI-LI JIANG, SHOU-SHAN FAN
  • METHOD FOR PREPARING SUSPENDED TWO-DIMENSIONAL NANOMATERIALS
    Publication number: 20190232631
    Abstract: The present invention relates to a method for transferring two-dimensional nanomaterials.
    Type: Application
    Filed: January 20, 2019
    Publication date: August 1, 2019
    Inventors: LIN CONG, WEI ZHAO, JIN ZHANG, YU-CHIEN TSAI, KAI-LI JIANG, SHOU-SHAN FAN
  • METHOD FOR TRANSFERRING TWO-DIMENSIONAL NANOMATERIALS
    Publication number: 20190232630
    Abstract: The present invention relates to a method for transferring two-dimensional nanomaterials. The method comprises the following steps: S1, providing a first substrate and a two-dimensional nanomaterial layer on a surface of the first substrate; S2, covering the two-dimensional nanomaterial layer with a carbon nanotube film structure; S3, obtaining a composite structure comprising the two-dimensional nanomaterial layer and the carbon nanotube film structure by removing the first substrate with a corrosion solution; S4, cleaning the composite structure by placing the composite structure on a surface of a cleaning solution; S5, picking up the composite structure from the cleaning solution with a target substrate, by contacting the target substrate with the two-dimensional nanomaterial layer of the composite structure; and S6, removing the carbon nanotube film structure from the composite structure.
    Type: Application
    Filed: January 20, 2019
    Publication date: August 1, 2019
    Inventors: LIN CONG, WEI ZHAO, JIN ZHANG, YU-CHIEN TSAI, KAI-LI JIANG, SHOU-SHAN FAN
  • TRANSMISSION ELECTRON MICROSCOPE MICRO-GRID AND METHOD FOR MAKING THE SAME
    Publication number: 20190237294
    Abstract: The present invention relates to a transmission electron microscope (TEM) micro-grid and a method for preparing the TEM micro-grid. The TEM micro-grid comprises a porous silicon nitride substrate and a graphene layer located on a surface of the porous silicon nitride substrate. The porous silicon nitride substrate comprises a plurality of through holes. The graphene layer covers the plurality of through holes. The method for preparing the TEM micro-grid provided in the present disclosure uses a carbon nanotube film structure to transfer a graphene layer to a surface of a porous silicon nitride substrate.
    Type: Application
    Filed: January 20, 2019
    Publication date: August 1, 2019
    Applicants: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: LIN CONG, WEI ZHAO, JIN ZHANG, YU-CHIEN TSAI, KAI-LI JIANG, SHOU-SHAN FAN