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    Hybrid power system
    1.
    发明授权
    Hybrid power system 有权

    公开(公告)号：US11757109B2

    公开(公告)日：2023-09-12

    申请号：US17789105

    申请日：2020-11-25

    申请人： Ceres Intellectual Property Company Limited

    发明人： Youpeng Chen ,  Chao Yu

    IPC分类号： H01M8/04014 ,  H01M8/04111 ,  H01M8/04082 ,  H01M8/0612 ,  H01M8/1231 ,  H01M8/04007 ,  H01M8/04701 ,  H01M8/12

    CPC分类号： H01M8/04022 ,  H01M8/04067 ,  H01M8/04111 ,  H01M8/04201 ,  H01M8/04738 ,  H01M8/0618 ,  H01M8/1231 ,  H01M2008/1293 ,  H01M2250/20 ,  H01M2250/407

    摘要： The invention provides a hybrid power system, which integrates an internal combustion engine with a solid oxide fuel cell (SOFC) stack and provides power for the vehicle through the internal combustion engine at first in the preheating stage of the SOFC stack, thereby solving the problem that an SOFC stack is unable to provide power for the vehicle in the preheating stage. At the same time, the internal combustion engine burns fuel gas, outputs high temperature exhaust gas, heats the heat exchanger with the high temperature exhaust gas, then discharges the exhaust gas from an exhaust turbine and inhales air from the outside of the system. The air first passes through an air preheater, then passes through a heat exchanger and then enters the inside of the SOFC stack, preheats the air preheater through an air pipeline and then is discharged. After multiple cycles, the preheating of the SOFC stack is completed. As the air preheater is connected to the heat exchanger in series to heat the air, the heating speed of the air entering the SOFC stack is raised, the preheating time is shortened and a quick start of the SOFC stack is achieved so that the SOFC stack can be used to achieve the purpose of providing power for the vehicle efficiently.

    SOFC COOLING SYSTEM, FUEL CELL AND HYBRID VEHICLE
    2.
    发明申请
    SOFC COOLING SYSTEM, FUEL CELL AND HYBRID VEHICLE 有权

    公开(公告)号：US20220407091A1

    公开(公告)日：2022-12-22

    申请号：US17764614

    申请日：2020-09-30

    申请人： Ceres Intellectual Property Company Limited

    发明人： Longkai Jiang ,  Youpeng Chen ,  Weilong Song ,  Yaxin Du ,  Meng Cao

    IPC分类号： H01M8/04029 ,  H01M8/04007 ,  H01M8/0432 ,  H01M8/0438 ,  H01M8/04537 ,  H01M8/04701 ,  H01M8/04746

    摘要： The invention provides an SOFC cooling system. For the feature that not all components work in the full operation process of an SOFC, a DC step-down transformer DCDC, a fan and a condenser are connected in parallel, and a solenoid valve is installed in each parallel pipeline for controlling on/off of each pipeline according to a corresponding signal. Compared with the traditional SOFC cooling system, the constant-flow serial cooling system will reduce pressure losses and the power of a water pump; a solenoid valve is installed in each parallel pipeline for controlling on/off of each branch according to a corresponding signal; considering the cooling requirements of SOFC during start-up, power generation and shutdown, all components are cooled in parallel through reasonable design of each parallel pipeline, consequently to improve the cooling effect and reduce the energy consumption; the invention also discloses a fuel cell and hybrid vehicle.

    HYBRID POWER SYSTEM
    4.
    发明申请
    HYBRID POWER SYSTEM 有权

    公开(公告)号：US20230030363A1

    公开(公告)日：2023-02-02

    申请号：US17789105

    申请日：2020-11-25

    申请人： Ceres Intellectual Property Company Limited

    发明人： Youpeng Chen ,  Chao Yu

    IPC分类号： H01M8/04014 ,  H01M8/04111 ,  H01M8/04082 ,  H01M8/0612 ,  H01M8/1231 ,  H01M8/04007 ,  H01M8/04701

    摘要： The invention provides a hybrid power system, which integrates an internal combustion engine with a solid oxide fuel cell (SOFC) stack and provides power for the vehicle through the internal combustion engine at first in the preheating stage of the SOFC stack, thereby solving the problem that an SOFC stack is unable to provide power for the vehicle in the preheating stage. At the same time, the internal combustion engine burns fuel gas, outputs high temperature exhaust gas, heats the heat exchanger with the high temperature exhaust gas, then discharges the exhaust gas from an exhaust turbine and inhales air from the outside of the system. The air first passes through an air preheater, then passes through a heat exchanger and then enters the inside of the SOFC stack, preheats the air preheater through an air pipeline and then is discharged. After multiple cycles, the preheating of the SOFC stack is completed. As the air preheater is connected to the heat exchanger in series to heat the air, the heating speed of the air entering the SOFC stack is raised, the preheating time is shortened and a quick start of the SOFC stack is achieved so that the SOFC stack can be used to achieve the purpose of providing power for the vehicle efficiently.

    CAR POWER SUPPLY SYSTEM AND SOLID OXIDE FUEL CELL VEHICLE
    5.
    发明申请
    CAR POWER SUPPLY SYSTEM AND SOLID OXIDE FUEL CELL VEHICLE 有权

    公开(公告)号：US20220344748A1

    公开(公告)日：2022-10-27

    申请号：US17763539

    申请日：2020-09-25

    申请人： Ceres Intellectual Property Company Limited

    发明人： Xiaowen Sun ,  Yanbo Wang ,  Youpeng Chen ,  Changming Hu ,  Jin-Li Pei ,  Lei Sun ,  Yaxin Du

    IPC分类号： H01M16/00 ,  H01M10/052 ,  H01M8/04955 ,  B60L58/30 ,  B60L50/75 ,  H01M8/04303

    摘要： The present application discloses a car power supply system and a solid oxide fuel cell vehicle. The car power supply system specifically comprises a first battery, a vehicle control unit (VCU), a lithium battery management system, a solid oxide fuel cell control unit, a second battery, a first relay and a second relay. If a solid oxide fuel cell controlled by the solid oxide fuel cell control unit provided by the present application cannot stop working within a short time, the first relay restores the first battery to power the VCU and the lithium battery management system after a start switch stops power supply by the first battery, so that the solid oxide fuel cell control unit is powered by the second battery to make the cell work normally and realize power off, thereby preventing the problem that the solid oxide fuel cell cannot work due to rapid power failure of the vehicle.

    CONTROL METHOD AND SYSTEM OF A FUEL CELL ELECTRIC VEHICLE STACK
    7.
    发明申请
    CONTROL METHOD AND SYSTEM OF A FUEL CELL ELECTRIC VEHICLE STACK 有权

    公开(公告)号：US20220402363A1

    公开(公告)日：2022-12-22

    申请号：US17638280

    申请日：2020-10-09

    申请人： Ceres Intellectual Property Company Limited

    发明人： Lei Sun ,  Chao Yu ,  Youpeng Chen ,  Gangyi Hu

    IPC分类号： B60L3/00 ,  B60L58/30 ,  H01M8/04537 ,  H01M8/04664 ,  H01M8/04746 ,  H01M8/04955

    摘要： A control method and system of a fuel cell electric vehicle stack. The control method comprises obtaining insulation resistance of the stack, comprising at least two sub-stacks connected in parallel; and disconnecting a sub-stack with insulation failure from a DC bus and then causing the stack to enter a failure mode when it is determined that the insulation resistance of the stack is smaller than a first preset threshold. The stack is determined to have an insulation failure when it is determined that the insulation resistance of the stack is smaller than the first preset threshold. The sub-stack with the insulation failure is located and disconnected the sub-stack with insulation failure from a DC bus, and the stack is then caused to run in a failure mode to perform failure protection, avoid deterioration of the insulation failure and burnout of the stack and improve the safety performance of the stack.