Patents by Inventor Dongdong Li
Dongdong 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).
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Publication number: 20240120496Abstract: The invention provides a lithium-ion battery electrode piece and a lithium-ion battery including the same. The electrode piece includes an electrode active material layer disposed on the surface of the current collector and a protective layer disposed on the surface of the electrode active material layer. The protective layer is composed of metal oxide layers and conductive layers alternately stacked in the horizontal direction. The area ratio of the metal oxide layers to the conductive layers is 4:1-1:4, and the thickness ratio is 0.5:1-1:1. According to the invention, by regulating the shape and ratio of the high temperature stability material and the conductive active material on the electrode piece in the process of coating the protective layer, the amount of the two coating materials is precisely controlled to implement the precise regulation of the high temperature stability and rate performance of the electrode piece.Type: ApplicationFiled: December 9, 2022Publication date: April 11, 2024Applicant: CALB Co., Ltd.Inventors: Xianglong Zhou, Zhimin Wang, Kui Li, Xuyi Shan, Yanlong Li, Dongdong Li
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Publication number: 20240121177Abstract: This application discloses a path determining method and apparatus. The method includes: receiving a packet; and selecting a target path from a plurality of equal-cost paths in a first group of equal-cost multi-path (ECMP) entries in a forwarding table based on a first equal-cost multi-path ECMP identifier, and forwarding the packet based on the target path, where the first ECMP identifier indicates that at least one valid equal-cost path exists in the plurality of equal-cost paths in the first group of ECMP entries; and the first group of ECMP entries is a last-level ECMP entry in a plurality of levels of ECMP entries in the forwarding table. An ECMP identifier of each group of ECMP entries in each level of ECMP entries in the forwarding table may be used to determine whether a valid equal-cost path exists in the group of ECMP entries.Type: ApplicationFiled: December 19, 2023Publication date: April 11, 2024Inventors: Dongdong Li, Fei Yan
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Publication number: 20240117826Abstract: The present disclosure provides a pilot proportional control valve apparatus, an automatic calibration method, engineering machinery and a storage medium, and relates to the technical field of engineering machinery, wherein the pilot proportional control valve apparatus including a hydraulic system and a controller; the hydraulic system including: a plurality of proportional pressure reducing valves, a calibration reversing valve, and a pressure sensor; the calibration reversing valve including a plurality of reversing units, an output end of each proportional pressure reducing valve being respectively connected with an input end of one corresponding reversing unit; the pressure sensor being arranged in a detection oil path; the controller performing calibration processing on the proportional pressure reducing valve according to a pilot oil detection pressure and an output pressure value of the proportional pressure reducing valve.Type: ApplicationFiled: September 27, 2021Publication date: April 11, 2024Applicant: XUZHOU XCMG EXCAVATOR MACHINERY CO., LTDInventors: Zhike SONG, Jiawen GENG, Shuicong LI, Dongdong NIU, Lu WANG
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Patent number: 11955323Abstract: The present invention provides a device for blocking plasma backflow in a process chamber to protect an air inlet structure, comprising an air inlet nozzle tightly connected to an air inlet flange. The inner cavity of the air inlet nozzle is provided with an air inlet guide body, wherein the air inlet guide body has an upper structure, a middle structure, and a lower structure, the upper, middle, and lower structures are an integrated structure, the upper, middle, and lower structures are all cylindrical, the cross-sectional diameter of the upper structure is smaller than that of the middle structure, a gas gathering area is arranged between the middle structure and the lower structure, and the middle structure and the lower structure are connected by the gas gathering area.Type: GrantFiled: February 29, 2020Date of Patent: April 9, 2024Assignee: JIANGSU LEUVEN INSTRUMENTS CO. LTDInventors: Na Li, Dongdong Hu, Xiaobo Liu, Haiyang Liu, Shiran Cheng, Song Guo, Zhihao Wu, Kaidong Xu
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Publication number: 20240100598Abstract: The present invention relates to a Si-containing high-strength and low-modulus medical titanium alloy, and an additive manufacturing method and use thereof. The additive manufacturing method comprises alloy ingredient design, powder preparation, model construction and substrate preheating, and additive manufacturing molding; wherein the Si-containing high-strength and low-modulus medical titanium alloy is designed in the ingredient proportion of Ti 60-70 at. %, Nb 16-24 at. %, Zr 4-14 at. %, Ta 1-8 at. %, Si 0.1-5 at. %.Type: ApplicationFiled: October 29, 2020Publication date: March 28, 2024Inventors: Yuanyuan Li, Chao Yang, Xuan Luo, Dongdong Li, Yanguo Qin, Ning Li
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SILICON-BASED ANODE MATERIAL FOR SECONDARY BATTERY AND PREPARATION METHOD THEREOF, SECONDARY BATTERY
Publication number: 20240105924Abstract: A silicon-based anode material for secondary batteries, a preparation method thereof and a secondary battery are provided. The silicon-based anode material includes: an inner core including an Si particle and silicon oxide SiOx1, where 0<x1<2, a first shell layer including a compound of the general formula MySiOz (0<y?4, 0<z?5, and z?x1) and a C particle, wherein the first shell layer covers the inner core, and the contents of M and C in the first shell layer gradually increase from a side thereof close to the inner core to another side thereof far away from the inner core; and a second shell layer including a carbon film layer or a composite film layer formed by a carbon film layer and a conductive additive, the second shell layer covers the first shell layer. The first charge-discharge cycle capability of the silicon-based anode material is improved, and the manufacturing cost is reduced.Type: ApplicationFiled: December 4, 2023Publication date: March 28, 2024Applicant: SHANGHAI SHANSHAN TECH CO., LTD.Inventors: Yuhu Wu, Fei Ma, Dongdong Liu, Liangqin Wei, Zhihong Wu, Xiaoyang Ding, Fengfeng Li -
Patent number: 11933713Abstract: The present disclosure provides a determining device for the weathering resistant capability of clastic rocks in a tunnel based on feldspar features, which overcomes the shortcomings of current evaluation methods, is easy to operate, can be used to detect the type, content, and crystal structure of feldspar in a rock stratum, and integrates the information by combining a computer deep learning method to determine the weathering resistant capability of clastic rocks containing different types of feldspar in a tunnel, with high accuracy.Type: GrantFiled: December 10, 2020Date of Patent: March 19, 2024Assignee: SHANDONG UNIVERSITYInventors: Shucai Li, Zhenhao Xu, Ruiqi Shao, Fumin Liu, Huihui Xie, Tengfei Yu, Peng Lin, Dongdong Pan
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Publication number: 20240085448Abstract: The present invention provides a speed measurement method and apparatus using a plurality of cameras. The speed measurement method includes: S1: calibrating positions of the respective cameras in a camera group, which are on a mobile platform at fixed relative positions; S2: obtaining a sequence of synchronized images from the respective cameras in the camera group, and recording time stamps thereof; and S3: performing a registration on the images captured by the respective cameras in the camera group and, if a registration result of two of the images is greater than a first threshold, calculating a position transformation matrix for the two images, and then calculating a position transformation matrix for the mobile platform based on the positional relationships between the cameras that captured the two images, and finally calculating a speed information of the mobile platform based on the position transformation matrix and an interval between times when the two images were captured.Type: ApplicationFiled: March 22, 2022Publication date: March 14, 2024Inventors: Xiaolin ZHANG, Lei WANG, Dongdong YANG, Hong LIANG, Jiamao LI
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Publication number: 20240085035Abstract: An air guide ring for an air conditioner outdoor unit is provided. The air guide ring includes an air guide ring body. An air guide channel is defined in the air guide ring body. The air guide ring body includes a first limiting portion and a second limiting portion. The first limiting portion and the second limiting portion are configured to fit with a fixing member of the air conditioner outdoor unit and to implement bi-directional limiting, so as to prevent inward contraction deformation and outward expansion deformation of the air guide ring body from occurring.Type: ApplicationFiled: November 24, 2023Publication date: March 14, 2024Applicants: GD MIDEA HEATING & VENTILATING EQUIPMENT CO., LTD., HEFEI MIDEA HEATING & VENTILATING EQUIPMENT CO., LTD.Inventors: Mingren WANG, Dongdong YU, Shengsheng LIAO, Langshui HUANG, Ruhui LI, Weihong LUO, Tao ZHANG, Lihe CHEN
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Publication number: 20240076985Abstract: For the problem of difficult roof anchor withdrawal at the end of a working face, a static crushing directional anchor withdrawal method at the end of a large-mining-height working face is provided. The method includes the following steps: designing key parameters of boreholes for static crushing, including a borehole position, a spacing between boreholes, a borehole depth, and a borehole diameter at the end of a working face; then determining parameters of a static crushing agent grouting technology device for the construction of a static crushing process; and carrying out an anchor withdrawal operation at the end.Type: ApplicationFiled: May 23, 2023Publication date: March 7, 2024Inventors: Xuandong LI, Fuqi WANG, Zhixiang LI, Jun WU, Chao GAO, Bin TIAN, Jiangning WANG, Yuanda REN, Dongdong WANG, Longfei WANG, Hua ZHANG, Jianhua CHEN, Zhenghu MO, Xiaogang LI
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Patent number: 11922843Abstract: A flexible display panel and a preparation method therefor, and a display device and a display module are provided. The flexible display panel includes a planar area, a first bending area, a second bending area and a corner bending area. The corner bending area is connected to a corner of the planar area and is connected between the first bending area and the second bending area, and is provided with a plurality of first hole groups, where the corner bending area is bent with a width of a first hole group in middle of the corner bending area increasing and a width of a first hole group in an edge area on a side of the corner bending area away from the planar area decreasing.Type: GrantFiled: June 18, 2021Date of Patent: March 5, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yaming Wang, Liqiang Chen, Dongdong Zhao, Zuojia Wang, Xueyan Liu, Xu Li
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Publication number: 20230418677Abstract: The present disclosure describes a system and method for preempting a long-running process with a higher priority process in a machine learning system, such as a hardware accelerator. The machine learning hardware accelerator can be a multi-chip system including semiconductor chips that can be application-specific integrated circuits (ASIC) designed to perform machine learning operations. An ASIC is an integrated circuit (IC) that is customized for a particular use.Type: ApplicationFiled: December 21, 2020Publication date: December 28, 2023Inventors: Temitayo Fadelu, Ravi Narayanaswami, JiHong Min, Dongdong Li, Suyog Gupta, Jason Jong Kyu Park
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Patent number: 11855288Abstract: A low-swelling graphite anode material, a preparation method thereof, and a lithium ion battery including the graphite anode material. The preparation method of the graphite anode material includes: (1) mixing a graphite raw material with a modifier, and then performing heating modification; (2) performing heat treatment on the modified graphite under a protective atmosphere; and (3) performing post-treatment on the heat-treated graphite to obtain the graphite anode material. The graphite anode material has an extremely low swelling rate, excellent cycle performance, and outstanding rate performance, an swelling rate being 24.3% or lower, a normal temperature 10C/1C discharge capacity retention rate being greater than 90%, and a capacity retention rate after charging and discharging for 300 times being 91% or greater.Type: GrantFiled: August 1, 2019Date of Patent: December 26, 2023Assignee: BTR NEW MATERIAL GROUP CO., LTDInventors: Haihui Zhou, Dongdong Li, Xiujun Pan
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Publication number: 20230307874Abstract: A temperature detection assembly includes an elastic thermal conductivity component, a temperature sensor and a retainer. The elastic thermal conductivity component is formed with a mounting hole and is adapted to be inserted into an installation slot formed on a housing of a connector. The temperature sensor is inserted in the mounting hole of the elastic thermal conductivity component and is adapted to detect the temperature of a connection terminal of the connector. The retainer is adapted to be installed on the housing of the connector and to fix the elastic thermal conductivity component in the installation slot.Type: ApplicationFiled: March 28, 2023Publication date: September 28, 2023Applicants: Tyco Electronics (Suzhou) Ltd., Tyco Electronics (Shanghai) Co., Ltd.Inventors: Wei (Weiser) Zhao, Kaixuan (Evan) Jiang, Feisong Ma, Dongdong Li, Rancher Chen
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Publication number: 20230227484Abstract: A pyrimidine compound as an AXL inhibitor is provided. The structure of the pyrimidine compound is as shown in general formula I, and the definition of each substituent is as described in the description. The present invention further provides a preparation method for the pyrimidine compound. The pyrimidine compound of the present invention has significant AXL inhibitory activity, and can be used as an AXL inhibitor.Type: ApplicationFiled: May 28, 2021Publication date: July 20, 2023Applicant: NANJING CHIA TAI TIANQING PHARMACEUTICAL CO., LTD.Inventors: Changyou MA, Linlin ZHANG, Dongdong LI, Youzhi WU, Haiwei FENG, Qiuhua ZHOU, Junjie PEI, Jian WU, Dan XU, Chunxia ZHU, Zhoushan TIAN
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Publication number: 20230223282Abstract: The present disclosure provides a heater and a heating base. The heater is used in a semiconductor process apparatus and includes a heating body and a base configured to support the heating body. The base includes a base body and a plate connected to each other. The base body is opposite to the heating body and arranged at an interval. The plate is arranged between the base body and the heating body and is fixedly connected to the heating body. An elastic bending structure is arranged on at least one of the plate, the base body, or the connection place between the plate and the base body. The elastic bending structure is configured to cause the plate and the heating body to remain connected by generating elastic deformation when the plate and the base body expand and deform.Type: ApplicationFiled: February 24, 2023Publication date: July 13, 2023Inventor: Dongdong LI
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Patent number: 11641360Abstract: According to one aspect of the concepts and technologies disclosed herein, a role-based access control (“RBAC”) system can mark all granular roles in a granular role group as non-tested to create a non-tested granular role set. The RBAC system can randomly select a granular role from the non-tested granular role set. The RBAC system can assign both the non-tested granular role set and a tested-keep granular role set to the granular role group. Each granular role in the tested-keep granular role set has been tested an approved for inclusion in the complete granular role set. The RBAC system can determine whether a user assigned to the granular role group has access to a protected function. In response to determining that the user does not have access to the protected function, the RBAC system can mark the granular role for inclusion in the tested-keep granular role set.Type: GrantFiled: June 30, 2020Date of Patent: May 2, 2023Assignee: AT&T Intellectual Property I, L.P.Inventor: Dongdong Li
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Publication number: 20230098016Abstract: The present disclosure relates to the field of medicinal chemistry, in particular to a phenyl triazole MLL1-WDR5 protein-protein interaction inhibitor (I) and a preparation method thereof, and pharmacodynamics experiments prove that the compound of the present disclosure has relatively strong MLL1-WDR5 protein-protein interaction inhibition activity.Type: ApplicationFiled: September 14, 2022Publication date: March 30, 2023Inventors: Qidong YOU, Xiaoke GUO, Dongdong LI, Weilin CHEN, Zhihui WANG
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Publication number: 20230085102Abstract: A compressor return air dryness detection method includes: obtaining an exhaust air pressure, a return air pressure, a working frequency, an exhaust air temperature, and a return air temperature of a compressor; determining a return air saturation temperature corresponding to the return air pressure; calculating a temperature difference value based on the return air temperature and the return air saturation temperature; and in accordance with a determination that the temperature difference value is smaller than a predetermined threshold value, calculating a return air dryness of the compressor based on the exhaust air pressure, the return air pressure, the working frequency, and the exhaust air temperature.Type: ApplicationFiled: November 22, 2022Publication date: March 16, 2023Inventors: Chunyuan ZHENG, Bin LUO, Yunxiao DING, Dongdong LI, Fangcheng GUO, Bin LI, Jintong WU
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Patent number: 11581539Abstract: A natural graphite-based modified composite material, a preparation method therefor, and a lithium ion battery comprising the modified composite material. The natural graphite-based modified composite material comprises natural graphite and non-graphitized carbon coated on the inner and outer surfaces of the natural graphite. The preparation method comprises: (1) subjecting spherical natural graphite to isotropic treatment; (2) performing granularity control and shaping treatment; (3) subjecting the inner surface and the outer surface of the material obtained in step (2) to simultaneous modification; and (4) performing carbonization, so as to obtain a natural graphite-based modified composite material.Type: GrantFiled: November 29, 2018Date of Patent: February 14, 2023Assignee: BTR NEW MATERIAL GROUP CO., LTD.Inventors: Xingyang Liu, Haihui Zhou, Dongdong Li, Chengkun Zhou, Jianguo Ren, Youyuan Huang, Min Yue