PROTON EXCHANGE MEMBRANE FUEL CELL WITH A BELLOWS-SHAPED MEMBRANE ELECTRODE ASSEMBLY DEVICE

    公开(公告)号:US20190305341A1

    公开(公告)日:2019-10-03

    申请号:US16448106

    申请日:2019-06-21

    摘要: The disclosure relates to a proton exchange membrane fuel cell. The fuel cell includes: a container, wherein the container includes a reacting room, a fuel room connected to the reacting room through a fuel inputting hole, a fuel inputting door located on the fuel inputting hole, a waste collecting room connected to the reacting room through a waste outputting hole, a waste outputting door located on the waste outputting hole; a membrane electrode assembly located in the reacting room, wherein the membrane electrode assembly device defines a bellows and a pipe connected to the bellows and extending out of the reacting room, the reacting room is divided into a first electrode space outside the bellows and a second electrode space inside the bellows, the volume of the first electrode space and the second electrode space can be changed by deforming the bellows.

    Fuel cell system and start-up method thereof

    公开(公告)号:US10431835B2

    公开(公告)日:2019-10-01

    申请号:US14939795

    申请日:2015-11-12

    发明人: Keitaro Yamamori

    摘要: The present disclosure provides a fuel cell system which comprises: a target output reaching time estimation unit configured to estimate a target output reaching time that requires for a fuel cell after start-up at a below-freezing temperature to become capable of providing an expected output desired or expected by a user of the fuel cell system or a predetermined output according to the expected output, based on the water content in the fuel cell and the temperature inside the fuel cell at the time of start-up at a below-freezing temperature; and a target output reaching time notification unit that notifies the user of the time estimated by the target output reaching time estimation unit.

    FUEL CELL SYSTEM AND OXIDE LAYER REMOVAL METHOD

    公开(公告)号:US20190280317A1

    公开(公告)日:2019-09-12

    申请号:US16288412

    申请日:2019-02-28

    摘要: A fuel cell system includes a removal treatment execution unit configured to execute an oxide layer removal treatment that removes an oxide layer generated on a catalyst of a fuel cell. The removal treatment execution unit is configured to execute the oxide layer removal treatment by adjusting a voltage of the fuel cell to be within a predetermined second voltage range lower than a predetermined first voltage range that is lower than an open-circuit voltage, when an operation of the fuel cell system shifts from a first operation, where a current value of the fuel cell is zero and the flow rate is controlled to maintain the voltage of the fuel cell within the first voltage range, to a second operation, where the current value is larger than zero and the flow rate is controlled in response to an output request to the fuel cell.

    FUEL CELL SYSTEM MOUNTED ON VEHICLE AND CONTROL METHOD THEREOF

    公开(公告)号:US20190275899A1

    公开(公告)日:2019-09-12

    申请号:US16287534

    申请日:2019-02-27

    发明人: Junichi MATSUO

    摘要: A fuel cell system mounted on a vehicle comprises a fuel cell; a secondary battery; a drive motor configured to serve as a motor to generate a driving force and as a generator to generate regenerative power; an auxiliary machine configured to consume the regenerative power; an accelerator pedal sensor; a shift position sensor; a vehicle speed sensor; and a controller. The controller determines that the vehicle is in a first state when the vehicle has a negative vehicle speed, a move forward request is given to the vehicle and an accelerator pedal is depressed or when the vehicle has a positive vehicle speed, the move backward request is given to the vehicle and the accelerator pedal is depressed. When a predetermined first condition including a condition that the vehicle is in the first state is satisfied, the controller performs an auxiliary machine consumption process that causes the auxiliary machine to consume the regenerative power that includes a required power for the drive motor calculated by using a depression amount of the accelerator pedal.

    Fuel cell system and method for its operation

    公开(公告)号:US10333152B2

    公开(公告)日:2019-06-25

    申请号:US15234688

    申请日:2016-08-11

    摘要: A fuel cell system and a method of operating the same is provided that is capable of reducing degradation of a cathode catalyst of a fuel cell. A fuel cell system is provided that includes a fuel cell having a catalyst used for an anode, wherein a carrier of the catalyst is composed of a material with a property where electric resistance in an oxygen containing atmosphere is greater than electric resistance in a hydrogen atmosphere; and a control device configured to control the fuel cell, when supply of fuel gas is stopped during stoppage of operation of the fuel cell, to consume all or part of the fuel gas in a fuel gas chamber, followed by introducing oxygen containing gas into the fuel gas chamber.