Patents by Inventor Cooper Chang

Cooper Chang 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: 20240106024
    Abstract: The invention presents a battery module, which includes a battery holder for accommodating and fixing a plurality of battery cells and a heat-sink structure. The heat-sink structure includes at least one metal plate and at least one heat conductor. The metal plate is configured in a gap between the plurality of battery cells. The heat conductor is configured on the left or right sides of the metal plate, and is an elastic member. When the metal plate is configured in the gap between the battery cells, part of the heat conductor will be compressed by the metal plate and the battery cells, and closely adhere onto the battery cells. When the battery cells are charged and discharged, heat generated by charging and discharging of the battery cells will be conducted to the metal plate through the heat conductors, and then will be taken away through the metal plate.
    Type: Application
    Filed: July 11, 2023
    Publication date: March 28, 2024
    Inventor: Cooper Chang
  • Publication number: 20230411712
    Abstract: The invention provides a battery equipment discharge balancing method, wherein a battery module of the battery equipment includes a plurality of battery blocks connected in parallel, and each battery block includes a plurality of battery cells connected in series. During the discharging process, the voltage of each battery cell is measured to generate a plurality of battery cell voltages. When any one of battery cell voltages reaches a cut-off discharge voltage, it is determined that the battery module is fully discharged. Thereafter, a minimum battery cell voltage in each battery block is obtained respectively to generate a plurality of cut-off battery cell voltages. The discharge ratio of each battery block in the next discharge process is adjusted according to the cut-off battery cell voltages respectively, so as to increase the discharge capacity and service life of the battery module.
    Type: Application
    Filed: February 23, 2023
    Publication date: December 21, 2023
    Inventor: Cooper Chang
  • Publication number: 20230402676
    Abstract: This disclosure provides a battery module having a modified heat pipe structure. The battery module includes a battery fixed holder for accommodating and fixing a plurality of battery cells. The modified heat pipe structure includes a metal pipe, which is defined with a thermal conduction section, a container section, and a connection section thereon. The thermal conduction section is a vacuum-pumped sealed tube, includes a wick structure and a working fluid thereinside, and transfers a heat through a process of evaporation and a condensation of the working fluid. The container section is placed in a gap between the adjacent battery cells, and stores the heat generated by the battery cells in charging or discharging. The connection section is provided with one end connected to the container section, and provided with other end connected to one end of the thermal conduction section by passing through the battery fixed holder vertically.
    Type: Application
    Filed: March 23, 2023
    Publication date: December 14, 2023
    Inventor: Cooper Chang
  • Publication number: 20230344036
    Abstract: The disclosure provides a battery device comprising a plurality of battery cells and at least one heat dissipation container. The heat dissipation container includes a frame and two thin films. The frame includes a perforation portion. The thin films are connected to the frame, and cover the perforation portion of the frame to form an enclosed space between the thin films and the frame. A liquid of water or aqueous solution is placed in the enclosed space. A bottom of each of the battery cells is adjacent to the corresponding thin film of the heat dissipation container. When the temperature of one of the battery cells is too high, the thin film of the heat dissipation container will damage to generate a broken hole. Then, the liquid will spray out of the heat dissipation container, and contact the battery cell to reduce the temperature of the battery cell.
    Type: Application
    Filed: December 8, 2022
    Publication date: October 26, 2023
    Inventor: Cooper Chang
  • Publication number: 20230327228
    Abstract: This disclosure provides a battery system including a shell, a battery module, a fluid channel, and a plurality of tubes. The shell includes a fluid extraction port and a fluid extraction port. The battery module is disposed in the shell, and includes a battery fixed holder for accommodating a plurality of battery cells. The fluid channel is disposed above the battery fixed holder, and communicated with the fluid injection device. Each of the tubes is having an upper opening in the fluid channel, and having a side opening facing the battery cores. The fluid channel is communicated with a space where the battery cells are located via the tubes. A fluid is injected into the fluid channel via the fluid injection port, flows to the space where the battery cells are located via the tubes, and then is exhausted from the fluid extraction port.
    Type: Application
    Filed: December 7, 2022
    Publication date: October 12, 2023
    Inventor: Cooper Chang
  • Patent number: 11469458
    Abstract: The invention provides a battery monitoring system comprising a battery monitoring device and at least one battery pack in storage. The battery pack comprises at least one battery core, a controller, and a temperature sensor. When the controller of the battery pack senses that a temperature of the battery core is higher than a safe temperature value, it issues an alarm signal, and directly transmits the alarm signal to the battery monitoring device in a short distance wireless communication, or transmits the alarm signal to the battery monitoring device via a multi-hop transmission of multiple battery packs in the short distance wireless communication. The alarm signal received by the battery monitoring device will be displayed on an alarm notification unit. Accordingly, the battery monitoring system can instantly monitor the temperature of the battery pack in storage to reduce the probability of burning or exploding of the battery pack.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: October 11, 2022
    Assignee: STL TECHNOLOGY CO., LTD.
    Inventor: Cooper Chang
  • Patent number: 11189893
    Abstract: The present invention provides a battery module, including a plurality of battery cells, a plurality of conductive sheets, and at least one plastic protective layer, wherein each conductive sheet is connected in series or in parallel with a plurality of battery cells. The plastic protective layer is formed on the partial surface of the conductive sheet by injection molding to prevent the electrolyte leaked from the defective battery cell from contacting the conductive sheet, causing rise in temperature of the battery cell and causes melt or explosion of the battery cell, which is helpful to improve the safety of the battery module.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: November 30, 2021
    Assignee: STL TECHNOLOGY CO., LTD.
    Inventor: Cooper Chang
  • Publication number: 20210257600
    Abstract: A connection module for protecting battery cells includes a plurality of conductive sheets, a plurality of conductive wires, or a conductive mesh. The conductive sheets are connected with at least one battery cell. The conductive wires or the conductive mesh is connected to the conductive sheets. An electrical conductivity of the conductive wires or the conductive mesh is higher than that of the conductive sheets. When the battery cells connected to the conductive sheets damages, it may cause an electrolyte ejected from the battery cells, or a large current passing through the conductive wires or the conductive mesh, such that the conductive wires or the conductive mesh is burned and melted to achieve the purpose of protecting other battery cells.
    Type: Application
    Filed: July 4, 2020
    Publication date: August 19, 2021
    Inventors: Cooper Chang, Ching-Po Lin
  • Publication number: 20210175643
    Abstract: A conductive cell frame for connecting a plurality of battery cells is disclosed. The conductive cell frame includes a first conductive portion and a plurality of second conductive portions, and the upper surface of each second conductive portion is connected to the first conductive portion through a eutectic portion. The lower surface of each second conductive portion is provided with at least one protruding welding portion, wherein the second conductive portion is connected to the housing of the battery cell through the protruding welding portion. The first conductive portion and the second conductive portion are made of different materials, wherein the resistance of the second conductive portion is greater than the resistance of the first conductive portion.
    Type: Application
    Filed: May 14, 2020
    Publication date: June 10, 2021
    Inventor: Cooper Chang
  • Publication number: 20210143388
    Abstract: The present invention provides a battery module, including a plurality of battery cells, a plurality of conductive sheets, and at least one plastic protective layer, wherein each conductive sheet is connected in series or in parallel with a plurality of battery cells. The plastic protective layer is formed on the partial surface of the conductive sheet by injection molding to prevent the electrolyte leaked from the defective battery cell from contacting the conductive sheet, causing rise in temperature of the battery cell and causes melt or explosion of the battery cell, which is helpful to improve the safety of the battery module.
    Type: Application
    Filed: March 12, 2020
    Publication date: May 13, 2021
    Inventor: Cooper Chang
  • Publication number: 20210135302
    Abstract: The invention provides a battery monitoring system comprising a battery monitoring device and at least one battery pack in storage. The battery pack comprises at least one battery core, a controller, and a temperature sensor. When the controller of the battery pack senses that a temperature of the battery core is higher than a safe temperature value, it issues an alarm signal, and directly transmits the alarm signal to the battery monitoring device in a short distance wireless communication, or transmits the alarm signal to the battery monitoring device via a multi-hop transmission of multiple battery packs in the short distance wireless communication. The alarm signal received by the battery monitoring device will be displayed on an alarm notification unit. Accordingly, the battery monitoring system can instantly monitor the temperature of the battery pack in storage to reduce the probability of burning or exploding of the battery pack.
    Type: Application
    Filed: March 27, 2020
    Publication date: May 6, 2021
    Inventor: Cooper Chang