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    Porous Structure Si Cu Composite Electrode of Lithium Ion Battery and Preparation Method Thereof
    51.
    发明申请
    Porous Structure Si Cu Composite Electrode of Lithium Ion Battery and Preparation Method Thereof 审中-公开

    公开(公告)号：US20190288294A1

    公开(公告)日：2019-09-19

    申请号：US16428100

    申请日：2019-05-31

    申请人： BEIJING UNIVERSITY OF TECHNOLOGY

    发明人： Ting Huang ,  Mengya Cui ,  Rongshi Xiao ,  Wuxiong Yang ,  Qiang Wu

    IPC分类号： H01M4/76 ,  H01M10/0525 ,  H01M4/38 ,  H01M4/66 ,  H01M4/04 ,  H01M4/1395 ,  H01M4/36 ,  H01M4/134

    摘要： The present disclosure discloses a porous structure Si/Cu composite electrode of a lithium ion battery and a preparation method thereof. The composite electrode comprises an active substance, a bulk porous Cu and a current collector, wherein the active substance Si is embedded into the bulk porous Cu, and the bulk porous Cu is in metallurgical bonding with the current collector and plays a dual role of “binder” and “conductive agent”, which not only relieves the pulverization and the shedding of the active substance Si particles but also improves electron transmission efficiency; and meanwhile, the porous structure increases the contact area between the active substance Si and electrolyte and increases the reaction efficiency of lithium insertion combination. The method of preparing the composite electrode comprises: with Si, Cu and Al powders as raw materials, preparing a Si—Cu—Al precursor alloy on the Cu current collector by powder metallurgy and diffusion welding technology; and removing Al element in the Si—Cu—Al precursor alloy by using a chemical de-alloying method to obtain a Si/Cu composite electrode with a porous-structure.

    Double-tilt in-situ nanoindentation platform for transmission electron microscope
    52.
    发明授权
    Double-tilt in-situ nanoindentation platform for transmission electron microscope 有权

    公开(公告)号：US10410822B2

    公开(公告)日：2019-09-10

    申请号：US15510627

    申请日：2016-11-11

    申请人： BEIJING UNIVERSITY OF TECHNOLOGY

    发明人： Xiaodong Han ,  Zhipeng Li ,  Shengcheng Mao ,  Xiaodong Wang ,  Chunqiang Zhuang ,  Jianfei Zhang ,  Qingsong Deng ,  Yadi Zhai ,  Taonan Zhang ,  Ze Zhang

    IPC分类号： H01J37/20 ,  G01N23/02 ,  H01J37/26

    摘要： A double-tilt in-situ nanoindentation platform for TEM (transmission electron microscope) belongs to the field of in-situ characterization of the mechanical property-microstructure relationship of materials at the nano- and atomic scale. The platform is consisted of adhesive area, support beams, bearing beams, sample loading stage and mini indenter. The overall structure of the platform is prepared by semiconductor microfabrication technology. The in-situ nanoindentation experiment can be driven by bimetallic strip, V-shaped electro-thermal beam, piezoelectric ceramics, electrostatic comb or shape memory alloys et. al. The sample is obtained by focused ion beam cutting. The integrated platform can be placed in the narrow space on the front end of the TEM sample holder, giving rise to the condition of double-axis tilt. The driving device drives the mini indenter to carry out in-situ nanoindentation, in-situ compression and in-situ bending and the like of the materials in TEM. The deformation process of material can be in-situ observed in sub angstrom, atomic and nano scale to study the deformation mechanism of material, which can further reveal the relationship of microstructure-mechanical properties of the material.

    Prefabricated and flexible earthquake-resistant self-resetting structure associated with a subway station
    54.
    发明申请
    Prefabricated and flexible earthquake-resistant self-resetting structure associated with a subway station 审中-公开

    公开(公告)号：US20190048554A1

    公开(公告)日：2019-02-14

    申请号：US15566629

    申请日：2017-02-22

    申请人： Beijing University of Technology

    发明人： Xiuli Du ,  Hongtao Liu ,  Chengshun Xu ,  Zili Wang

    IPC分类号： E02D29/00 ,  E04H9/02 ,  E02D29/045 ,  E04B1/98

    CPC分类号： E02D29/04 ,  E02D29/045 ,  E04B1/98 ,  E04H9/021 ,  E04H9/027

    摘要： The present disclosure discloses a self-reset flexible earthquake-resistant system of the prefabricated subway station, comprising prefabricated component prestressed tendon, waterproof rubber, and rubber bearing. The main structure of station is built by connection between prestressed tendon and prefabricated component, it changes the connection methods of connection node from consolidation joint to hinged joint which makes the subway station into a flexible system, while at the same time, self-reset function is realized by prestressed tendon; “T” and “” system is combined with rubber waterproof tape, and rubber bearing which is installed in connection site of prefabricated component, multi-protection measures of waterproof is realized, earthquake-resistant effect is also realized. Connection problem with the prefabricated component can be solved by the self-reset flexible earthquake-resistant system of the prefabricated subway station; underground station structure is changed into the flexible system through releasing bending moment in connection site of the prefabricated component, deforming ability of subway station is improved, the earthquake-resistant ability of underground subway station is improved.

    Method of constructing navigation map by robot using mouse hippocampal place cell model
    55.
    发明授权
    Method of constructing navigation map by robot using mouse hippocampal place cell model 有权

    公开(公告)号：US10175662B2

    公开(公告)日：2019-01-08

    申请号：US15783908

    申请日：2017-10-13

    申请人： Beijing University of Technology

    发明人： Naigong Yu ,  Yunhe Yuan ,  Xiaojun Jiang ,  Ti Li ,  Lue Fang ,  Ziwei Luo

    IPC分类号： B25J9/16 ,  G05B13/04 ,  G06N3/04 ,  G05D1/02 ,  G05B13/02

    摘要： A robot constructs a navigation map based on the cognitive mechanism of rat hippocampus. The robot collects current self-motion cues and color depth map information through exploring the environment; self-motion cues form spatial environment codes gradually through path integral and feature extraction of spatial cells in hippocampus, place field of place cells is gradually formed during exploring the process and covers the whole environment to form a cognitive map. Further, Kinect collects scene view and color depth map information of the current position in right ahead direction as an absolute reference, proceeding path closed-loop detection to correct the errors of the path integral. At a close-loop point, the system proceeds reset of spatial cells discharging activity to correct the errors of the path integral. The final point in navigation map includes coding information of place cells series, corresponding visual cues and position topological relationship.

    Extraction and Representation method of State Vector of Sensing Data of Internet of Things
    57.
    发明申请
    Extraction and Representation method of State Vector of Sensing Data of Internet of Things 审中-公开

    公开(公告)号：US20180192245A1

    公开(公告)日：2018-07-05

    申请号：US15479317

    申请日：2017-04-05

    申请人： Beijing University of Technology

    发明人： Zhiming DING ,  Fujie REN

    IPC分类号： H04W4/02 ,  H04W4/00

    CPC分类号： H04W4/023 ,  H04L67/12 ,  H04W4/08

    摘要： The present invention discloses an extraction and representation method of state vector of sensing data of Internet of Things, extracting and representing sensing sampling data of state vector through the method. receiving sampling data and performing vector extraction on sampling data, sampling data vector representing as a time function of f(t), adding time tstart, end time tend and unit time of vector activity of unitime, the last vector being current active vector for each component of each active sensing device; performing query of sensing sampling data, and then extracting and representing state vector, storing sensing data information with state vector, reducing update frequency of data storage and improving accuracy of interpolation query information. User inputs query time t for interpolation query, in vector sequence, obtaining vector activity corresponding time t using binary search, taking t into vector function to obtain sampling component value of monitoring object at t moment.

    Large horizontal device for continuous methane fermentation and method thereof
    59.
    发明授权
    Large horizontal device for continuous methane fermentation and method thereof 有权

    公开(公告)号：US09879211B2

    公开(公告)日：2018-01-30

    申请号：US15510806

    申请日：2015-07-21

    申请人： Beijing University of Technology

    发明人： Hong Yang

    IPC分类号： C12M1/107 ,  C12M1/00

    CPC分类号： C12M21/04 ,  C12M21/16 ,  C12M23/34 ,  C12M27/18 ,  C12M27/20 ,  C12M29/00 ,  C12M45/06 ,  C12M45/20 ,  Y02E50/343 ,  Y02W10/23

    摘要： A large-type horizontal device and a method for continuous methane fermentation. The whole distribution of a fermentation compartment uses a U-shape plane layout, which is a snap-back type and uses a material propeller. The material propeller has two axes and two blades and is constantly occluded with counter rotation. The irreversible propulsion of materials can be realized through counter rotation of two occluded blades. The propeller is set at the bottom of the main partition of the fermentation compartment. The propel ability of propeller can be changed through changing of rotation speed. Counter rotation of two occluded blades can realize material propeller without material reverting. The inlet and outlet entrances of the reactor in the disclosure are near to the ground and can be operated conveniently. The homogeneous output of materials and entire plug-flow can be realized at the same time without material mixing in the whole process.