Patents by Inventor Mingchen Li

Mingchen 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).

  • Publication number: 20240175927
    Abstract: A method for calculating a terminal voltage of a lithium battery based on an electrochemical model, an apparatus, and a medium are provided. The method includes: constructing the electrochemical model of the lithium battery, and dividing the lithium-ion battery into three domains comprising an anode domain, a separator domain, and a cathode domain; numerically simulating the electrochemical model in the three domains respectively using the Chebyshev spectral method, and respectively obtaining distribution data of a liquid-phase potential, overpotential, and open-circuit voltage of the anode and the cathode; obtaining solid-phase potential distribution data of the anode and the cathode, based on discrete data of the liquid-phase potential, overpotential, and open-circuit voltage of the anode and the cathode; and obtaining the terminal voltage of the lithium battery based on the solid-phase potential distribution data of the anode and cathode.
    Type: Application
    Filed: November 28, 2023
    Publication date: May 30, 2024
    Applicant: Shanghai Makesens Energy Storage Technology Co., Ltd.
    Inventors: Mingchen JIANG, Qian LI, Liangchang WEI, Danfei GU, Siyuan CHEN, Xiao YAN, Enhai ZHAO
  • Publication number: 20240135060
    Abstract: The invention provides a method and system for decoupling electric field of electrochemical model based on a parallel targeting method. The method includes selecting a negative or positive electrode region as a calculation region; selecting a solid or liquid phase current as an observed quantity, and a solid and liquid phase potential as a costate variable; inserting nodes between two endpoints of the calculation region, and determining a target value of the observed quantity of each node; constructing N calculation units; respectively performing a target shooting on the N calculation units; and determining whether a distance between the target shooting value of the observed quantity of the end point of each calculation unit and the target value of the observed quantity of the node corresponding to the end point of the calculation unit is within a preset range.
    Type: Application
    Filed: October 12, 2023
    Publication date: April 25, 2024
    Inventors: Mingchen Jiang, Danfei Gu, Siyuan Chen, Qian Li, Liangchang Wei, Xiao Yan, Enhai Zhao
  • Publication number: 20240133958
    Abstract: The invention discloses a method for step parameter identification based on an electrochemical model, including: identifying a first type of electrochemical parameters through a reduced-order electrochemical model by utilizing different preset charge-discharge rate data; determining a first type of target electrochemical parameters identified by the reduced-order electrochemical model through extrapolation; the first type of target electrochemical parameters including an approximate value of the first type of electrochemical parameters or the first type of electrochemical parameters at a specific rate; identifying the first type of electrochemical parameters, which includes solid-phase lithium concentration and exchange current, through a full-order electrochemical model by taking the first type of target electrochemical parameters as actual values of the first type of electrochemical parameters of the full-order electrochemical model; and identifying a second type of electrochemical parameters, which include
    Type: Application
    Filed: September 22, 2023
    Publication date: April 25, 2024
    Inventors: Danfei Gu, Qian Li, Siyuan Chen, Mingchen Jiang, Jie Zhang, Xiao Yan, Enhai Zhao
  • Publication number: 20230213550
    Abstract: The present disclosure provides a method and system for quantifying a degree of blending of virgin and aged asphalt in HRAM. The method includes the following steps: first, constructing a relational equation between the microscale modulus of recycled asphalt in a fully blended state and the content of the aged asphalt; measuring the microscale modulus of the recycled asphalt, the microscale modulus of the aged asphalt, the microscale modulus of the virgin asphalt, and the content of the aged asphalt in the HRAM in situ; inputting the dates above into the relational equation to obtain the microscale modulus of the recycled asphalt in the fully blended state; and based on the microscale modulus of the recycled asphalt measured in situ and the microscale modulus of the recycled asphalt in the fully blended state, obtaining the degree of blending of the virgin and aged asphalt in the HRAM.
    Type: Application
    Filed: May 28, 2022
    Publication date: July 6, 2023
    Inventors: Liping LIU, Mingchen LI, Lijun SUN, Lingxiao LIU
  • Patent number: 11655189
    Abstract: The present invention provides a method for preparing a hot-mixed asphalt mixture, and relates to the technical field of road engineering. In the present invention, asphalt and aggregates are preheated separately, where the aggregates include coarse aggregates and fine aggregates; the coarse aggregates, part of the fine aggregates and asphalt that are preheated are subjected to a first mixing to obtain a first mixture; the remaining fine aggregates are added to the first mixture for a second mixing to obtain a second mixture; and a mineral powder is added to the second mixture for a third mixing, and discharging is conducted to obtain a hot-mixed asphalt mixture.
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: May 23, 2023
    Assignee: TONGJI UNIVERSITY
    Inventors: Liping Liu, Lijun Sun, Qingbing Lu, Mingchen Li
  • Patent number: 11571669
    Abstract: Disclosed is a method for determining a mixing temperature of an asphalt mixture which includes the following steps: S100, obtaining a test result of surface energy of hot-melt asphalt; S200, obtaining, according to a calculation formula for total adhesion work and in combination with the test result of the surface energy of the hot-melt asphalt, total adhesion work of an asphalt and aggregate interface at different mixing temperatures; S300, determining a temperature range corresponding to peak values of the total adhesion work of the asphalt and aggregate interface; and S400, calculating a median value of the temperature range determined in S300, so as to determine an optimum mixing temperature of the asphalt mixture.
    Type: Grant
    Filed: June 11, 2021
    Date of Patent: February 7, 2023
    Assignee: Tongji University
    Inventors: Liping Liu, Lijun Sun, Qingbing Lu, Mingchen Li
  • Publication number: 20210402360
    Abstract: Disclosed is a method for determining a mixing temperature of an asphalt mixture which includes the following steps: S100, obtaining a test result of surface energy of hot-melt asphalt; S200, obtaining, according to a calculation formula for total adhesion work and in combination with the test result of the surface energy of the hot-melt asphalt, total adhesion work of an asphalt and aggregate interface at different mixing temperatures; S300, determining a temperature range corresponding to peak values of the total adhesion work of the asphalt and aggregate interface; and S400, calculating a median value of the temperature range determined in S300, so as to determine an optimum mixing temperature of the asphalt mixture.
    Type: Application
    Filed: June 11, 2021
    Publication date: December 30, 2021
    Inventors: Liping Liu, Lijun Sun, Qingbing Lu, Mingchen Li
  • Publication number: 20210114932
    Abstract: The present invention provides a method for preparing a hot-mixed asphalt mixture, and relates to the technical field of road engineering. In the present invention, asphalt and aggregates are preheated separately, where the aggregates include coarse aggregates and fine aggregates; the coarse aggregates, part of the fine aggregates and asphalt that are preheated are subjected to a first mixing to obtain a first mixture; the remaining fine aggregates are added to the first mixture for a second mixing to obtain a second mixture; and a mineral powder is added to the second mixture for a third mixing, and discharging is conducted to obtain a hot-mixed asphalt mixture.
    Type: Application
    Filed: August 10, 2020
    Publication date: April 22, 2021
    Inventors: Liping Liu, Lijun Sun, Qingbing Lu, Mingchen Li