Patents Assigned to Tsinghua University
  • Device for making carbon nanotube arrays
    Patent number: 10787364
    Abstract: A device for making a carbon nanotube array includes a chamber, a gas diffusing unit, and a gas transporting pipe. The chamber defines a first inlet and a second inlet spaced apart from each other. The gas diffusing unit is in the chamber, and the gas diffusing unit is a hollow structure and defines a space, a first through hole, and an outlet. The gas transporting pipe has a first end and a second end opposite to the first end. The first end extends out of the chamber from the second inlet, and the second end is in the chamber and connected to the first through hole. The present application also relates to a method for making the carbon nanotube array.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: September 29, 2020
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Liang Liu, Qi Cai, Shou-Shan Fan
  • Lithium-sulfur battery separator
    Patent number: 10790493
    Abstract: A lithium-sulfur battery includes a cathode, an anode, a lithium-sulfur battery separator and an electrolyte. The lithium-sulfur battery separator includes a pristine seperator (PSL) and a functional layer (FL). The FL is located on a surface of the PSL. The FL includes a plurality of graphene sheets and a plurality of MoP2 nanoparticles uniformly mixed with each other.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: September 29, 2020
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yu-Feng Luo, Jia-Ping Wang, Shou-Shan Fan
  • Method for making lithium ion battery anode
    Patent number: 10790497
    Abstract: A method for making lithium ion battery anode includes: scrapping a carbon nanotube array to obtain a carbon nanotube source, and adding the carbon nanotube source into water to form a carbon nanotube dispersion; providing a transition metal nitrate, adding the transition metal nitrate to the carbon nanotube dispersion to form a mixture of a carbon nanotube floccule and a transition metal nitrate solution; freeze-drying the mixture of the carbon nanotube floccule and the transition metal nitrate solution under vacuum condition to form a lithium ion batter anode preform; and, heat-treating the lithium ion battery anode preform to form the lithium ion battery anode.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: September 29, 2020
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yu-Feng Luo, Jia-Ping Wang, Kai-Li Jiang, Shou-Shan Fan
  • Method for making three dimensional complementary metal oxide semiconductor carbon nanotube thin film transistor circuit
    Patent number: 10790335
    Abstract: A method for making a metal oxide semiconductor carbon nanotube thin film transistor circuit. A p-type carbon nanotube thin film transistor and a n-type carbon nanotube thin film transistor are formed on an insulating substrate and stacked with each other. The p-type carbon nanotube thin film transistor includes a first semiconductor carbon nanotube layer, a first drain electrode, a first source electrode, a functional dielectric layer, and a first gate electrode. The n-type carbon nanotube thin film transistor includes a second semiconductor carbon nanotube layer, a second drain electrode, a second source electrode, a first insulating layer, and a second gate electrode. The first drain electrode and the second drain electrode are electrically connected with each other. The first gate electrode and the second gate electrode are electrically connected with each other.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: September 29, 2020
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yu-Dan Zhao, Qun-Qing Li, Xiao-Yang Xiao, Guan-Hong Li, Yuan-Hao Jin, Shou-Shan Fan
  • Gathering and sampling device and inspection apparatus
    Patent number: 10782211
    Abstract: A sampling device and an inspection apparatus are disclosed. In one aspect, an example gathering and sampling device includes a cylindrical outer housing and an inner housing disposed within the cylindrical outer housing, a cyclone chamber is formed between the cylindrical outer housing and the inner housing to generate a cyclone by injecting a gas flow into the cyclone chamber. The gathering and sampling device further includes an outer chamber body, and a plurality of gas injection orifices formed in the first inner housing end opening of the inner housing and configured to inject a gas towards a substantial center of a circular region defined by an end face of the first outer housing end opening of the cylindrical outer housing.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: September 22, 2020
    Assignees: Tsinghua University, Nuctech Company Limited
    Inventors: Qingjun Zhang, Yuanjing Li, Ziran Zhao, Ge Li, Biao Cao, Qiufeng Ma, Linxia Tan
  • Light detector
    Patent number: 10784444
    Abstract: A light detection element including: a carbon nanotube structure; a first electrode and a second electrode, electrically connected to the carbon nanotube structure; wherein the carbon nanotube structure includes at least one carbon nanotube, the carbon nanotube includes two metallic carbon nanotube segments and one semiconducting carbon nanotube segment between the two metallic carbon nanotube segments, one of the two metallic carbon nanotube segments is electrically connected to the first electrode, the other one of the two metallic carbon nanotube segments is electrically connected to the second electrode.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: September 22, 2020
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Jiang-Tao Wang, Peng Liu, Kai-Li Jiang, Shou-Shan Fan
  • Blackbody radiation source
    Patent number: 10782189
    Abstract: The present invention relates to a blackbody radiation source. The blackbody radiation source comprises a blackbody radiation cavity and a plurality of carbon nanotubes. The blackbody radiation cavity comprises an inner surface. A carbon nanotube array located on the inner surface of the blackbody radiation cavity. The carbon nanotube array comprises a plurality of carbon nanotubes, and an extending direction of each carbon nanotube is substantially perpendicular to the inner surface. The carbon nanotube array comprises a first surface and a second surface. The first surface is in contact with the inner surface and the second surface is far away from the inner surface. The plurality of carbon nanotubes extend from the first surface to the second surface. A plurality of microstructures are formed on the second surface of the carbon nanotube array.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: September 22, 2020
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yang Wei, Guang Wang, Shou-Shan Fan
  • Method for making polymer solar cell
    Patent number: 10784454
    Abstract: A method for making a polymer solar cell includes the following steps: placing a portion of a carbon nanotube layer into a polymer solution, wherein the carbon nanotube layer includes a plurality of carbon nanotubes; curing the polymer solution to form a polymer layer including a first polymer surface and a second polymer surface opposite to the first polymer surface, wherein the portion of the carbon nanotube layer is embedded in the polymer layer, and another portion of the carbon nanotube layer is exposed from the polymer layer; and forming a cathode electrode on a surface of the carbon nanotube layer away from the polymer layer, and forming an anode electrode on the first polymer surface, wherein the anode electrode is spaced apart from the carbon nanotube layer.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: September 22, 2020
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Wen Ning, Peng Liu, Kai-Li Jiang, Shou-Shan Fan
  • Shield cover for radiation source machine and security inspection apparatus
    Patent number: 10784008
    Abstract: The present disclosure relates to a shield cover for a radiation source machine and a security inspection apparatus. The shield cover for a radiation source machine comprises: a frame body provided with a receiving chamber for receiving the radiation source machine, an end opening and an ray exit through which rays are emitted out from the radiation source machine; an end cover disposed at the end opening of the frame body and provided with a sealed chamber communicating with the receiving chamber; and a connecting member disposed between the end cover and the frame body and provided with an opening for communicating the sealed chamber of the end cover with the receiving chamber of the frame body, and the end cover being movably connected to the frame body by the connecting member such that a distance of the end cover from the end opening of the frame body is adjustable.
    Type: Grant
    Filed: October 21, 2018
    Date of Patent: September 22, 2020
    Assignees: Nuctech Company Limited, Tsinghua University
    Inventors: Long Zhang, Li Zhang, Mingzhi Hong, Jinning Liang
  • Movable ray inspection system and ray inspection method for a container
    Patent number: 10782246
    Abstract: A movable ray inspection system used to be mounted in a container yard to inspect an object within a container is provided. The movable ray inspection system includes: a ray generator device configured to emit a ray, a ray receiving device configured to receive the ray, and at least one chamber for receiving the ray generator device and the ray receiving device therein. Each of the at least one chamber is configured to be a standard container or a chamber which has a same shape, a same size and a same structure as a standard container such that the movable ray inspection system is adapted to be stacked in the container yard.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: September 22, 2020
    Assignees: Nuctech Company Limited, Tsinghua University
    Inventors: Chunguang Zong, Ying Li, Hejun Zhou, Quanwei Song, Jianmin Li, Yulan Li, Yuanjing Li, Li Zhang, Zhiqiang Chen
  • APPARATUS FOR CHARGING ELECTRIC VEHICLE
    Publication number: 20200290469
    Abstract: A charging apparatus includes a heat exchange pipeline, and a refrigerant liquid output pipe and a refrigerant liquid input pipe, which are connected to the heat exchange pipe. The charging apparatus can ensure a vehicle battery can be charged at an optimal temperature range, thereby reducing a charging time of the charging apparatus.
    Type: Application
    Filed: May 31, 2020
    Publication date: September 17, 2020
    Applicant: Tsinghua University
    Inventors: LAN-GUANG LU, YA-LUN LI, MING-GAO OUYANG, JIU-YU DU, JIAN-QIU LI, XU-NING FENG, XUE-BING HAN
  • Polymer solar cell
    Patent number: 10777761
    Abstract: A polymer solar cell includes an anode electrode, a photoactive layer, and a cathode electrode stacked on each other in that order. The photoactive layer includes a polymer layer and a plurality of carbon nanotubes dispersed in the polymer layer. 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 out of the polymer layer and directly contacts the cathode electrode.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: September 15, 2020
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Wen Ning, Peng Liu, Kai-Li Jiang, Shou-Shan Fan
  • Fuel cell electrode and fuel cell using the same
    Patent number: 10777822
    Abstract: A fuel cell electrode comprises a three-dimensional porous composite structure comprising a porous structure comprising a plurality of metal ligaments and a plurality of pores; and at least one carbon nanotube structure embedded in the porous structure and comprising a plurality of carbon nanotubes joined end to end by van der Waals attractive force, wherein the plurality of carbon nanotubes are arranged along a same direction.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: September 15, 2020
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Hong-Ying Fu, Wen-Zhen Li
  • Method for transferring carbon nanotube array
    Patent number: 10774474
    Abstract: A transfer method for carbon nanotube array is provided. A carbon nanotube array is located on a first substrate. A pressure is applied to the carbon nanotube array to form a carbon nanotube paper. A second substrate with a bonding layer is placed on the carbon nanotube paper, and the bonding layer is located between the second substrate and the carbon nanotube array. The second substrate is peeled off, and the carbon nanotubes of the carbon nanotube paper vertically aligned and form the carbon nanotube array under forces of the first substrate and the second substrate. The carbon nanotubes of the carbon nanotube array are substantially perpendicular to the surface of the second substrate.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: September 15, 2020
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Guang Wang, Yang Wei, Shou-Shan Fan
  • Scrubbing and sampling device, card reader apparatus and gate apparatus
    Patent number: 10775278
    Abstract: It is disclosed a scrubbing and sampling device, a card reader apparatus and a gate apparatus. The scrubbing and sampling device includes: a scrubbing and sampling portion including a first wheel and a second wheel, which are respectively capable of rotating around respective rotating axes, and a scrubbing conveyor belt tensioned by the first wheel and the second wheel and driven by rotation of the first wheel and the second wheel, to move between them; and an desorbing portion configured to desorb properties of an sample that is conveyed into the desorbing portion. The scrubbing conveyor belt is configured to move through the desorbing portion such that the desorbing portion desorbs the sample on the scrubbing conveyor belt when the scrubbing conveyor belt enters the desorbing portion.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: September 15, 2020
    Assignees: Tsinghua University, NUCTECH COMPANY LIMITED
    Inventors: Qingjun Zhang, Yuanjing Li, Ziran Zhao, Ge Li, Qiufeng Ma
  • Transmission electron microscope micro-grid and method for making the same
    Patent number: 10777378
    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: Grant
    Filed: January 20, 2019
    Date of Patent: September 15, 2020
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Lin Cong, Wei Zhao, Jin Zhang, Yu-Chien Tsai, Kai-Li Jiang, Shou-Shan Fan
  • Hybrid network system, communication method and network node
    Patent number: 10778738
    Abstract: A hybrid network system, a communication method and a network node are provided.
    Type: Grant
    Filed: September 7, 2015
    Date of Patent: September 15, 2020
    Assignee: Tsinghua University
    Inventors: Weimin Zheng, Wenguang Chen, Wei Xue, Jidong Zhai, Kang Chen
  • Method for computing support of itemset candidate based on graph structure data and application thereof
    Patent number: 10776372
    Abstract: The present disclosure provides a method for computing a support of an itemset candidate based on graph structure data, a method for determining a frequent itemset using the same, and a method for determining a frequent itemset based on a prefix tree. The method for computing a support of an itemset candidate based on graph structure data comprises: converting data in a database to graph structure data (S101); obtaining an itemset candidate from the database (S102); obtaining a connected component corresponding to the itemset candidate in the graph structure data (S103); determining the number of vertices included in the connected component (S104); and determining the number of vertices as the support of the itemset candidate (S105).
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: September 15, 2020
    Assignee: Research Institute of Tsinghua University in Shenzhen
    Inventors: Yeh-Ching Chung, Rui Zhang, Wenguang Chen
  • METHOD FOR SAMPLING GROUNDWATER
    Publication number: 20200284697
    Abstract: The disclosure provides a method for sampling groundwater. The method includes extracting groundwater from a monitoring well in a first flow rate; monitoring groundwater level in real-time, and calculating a decrease of the groundwater level during the extracting in the first flow rate based on the real-time monitored groundwater level; when the decrease of the groundwater level is equal to a first value, extracting groundwater from the monitoring well in a second flow rate, the second flow rate being smaller than the first flow rate; and when the groundwater level is in an equilibration state, extracting groundwater from the monitoring well and using the extracted groundwater at this time as a representative groundwater.
    Type: Application
    Filed: March 2, 2020
    Publication date: September 10, 2020
    Applicant: Tsinghua University
    Inventors: DE-YI HOU, YI-DONG WANG, GUANG-HE LI, XU ZHANG, FANG ZHANG
  • Method and device for reconstructing CT image and storage medium
    Patent number: 10769821
    Abstract: A method and device for reconstructing a CT image and a storage medium are disclosed. CT scanning is performed on an object to be inspected to obtain projection data on a first scale. Projection data on a plurality of other scales is generated from the projection data on the first scale. Projection data on each scale is processed on the corresponding scale by using a first convolutional neural network to obtain processed projection data, and a back-projection operation is performed on the processed projection data to obtain a CT image on the corresponding scale. CT images on the plurality of scales are fused to obtain a reconstructed image of the object to be inspected.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: September 8, 2020
    Assignees: Nutech Company Limited, Tsinghua University
    Inventors: Yuxiang Xing, Li Zhang, Jianmin Li, Zhiqiang Chen, Jianping Gu