公开(公告)号：US20250058638A1

公开(公告)日：2025-02-20

申请号：US18807272

申请日：2024-08-16

Applicant: CELLULA ROBOTICS, LTD.

Inventor： James Eric Jackson ,  Reuben Meikle ,  Chris Kaminski ,  Orrin Malacko

IPC: B60L3/00 ,  B60L58/32 ,  B63G8/00 ,  H01M8/04007 ,  H01M8/04119 ,  H01M8/0444 ,  H01M8/04858 ,  H01M8/04955 ,  H01M8/10

Abstract: An autonomous underwater vehicle (AUV) including a hydrogen fuel cell is provided. The fuel cell control computer is a separate, stand-alone control system that interfaces with a vehicle control computer (VCC) to ensure safe operation of the fuel cell system. Relay logic for disabling the fuel cell enables the VCC to determine if the fuel cell has shut down, ensuring that the AUV system does not send power to the fuel cell system if there are unsafe conditions.

公开(公告)号：US20240178421A1

公开(公告)日：2024-05-30

申请号：US18548271

申请日：2022-03-01

Applicant: CERES INTELLECTUAL PROPERTY COMPANY LIMITED

Inventor： Alexander MCNICOL ,  Oliver POSTLETHWAITE ,  Jonathan David HARMAN ,  Stefano MICUCCI ,  Farzad BARARI ,  Anupama PILLAI ,  Michael James MCLORN

IPC: H01M8/04746 ,  C01B3/38 ,  H01M4/90 ,  H01M8/04089 ,  H01M8/04223 ,  H01M8/04225 ,  H01M8/04228 ,  H01M8/04302 ,  H01M8/04303 ,  H01M8/0432 ,  H01M8/04701 ,  H01M8/04858 ,  H01M8/04955 ,  H01M8/0612 ,  H01M8/0637 ,  H01M8/12 ,  H01M8/126 ,  H01M8/2425

CPC classification number: H01M8/04753 ,  C01B3/38 ,  H01M4/9033 ,  H01M8/04097 ,  H01M8/04225 ,  H01M8/04228 ,  H01M8/04268 ,  H01M8/04302 ,  H01M8/04303 ,  H01M8/0432 ,  H01M8/04701 ,  H01M8/0488 ,  H01M8/0491 ,  H01M8/04955 ,  H01M8/0618 ,  H01M8/0637 ,  H01M8/126 ,  H01M8/2425 ,  C01B2203/0233 ,  C01B2203/067 ,  C01B2203/0894 ,  H01M2008/1293

Abstract: A fuel cell system (200, 300) and a method for operating the fuel cell system (200, 300). The fuel cell system (200, (1300) comprising an anode inlet (226) and an anode outlet (227); means for heating the stack (205); an anode off gas recirculation loop (240) configured to provide a gas flow path to recirculate anode off gas from the anode outlet (227) to the anode inlet (226); and a controller (290). The method comprising, at start-up of the fuel cell system (200, 300); heating the stack (205) to a first threshold temperature; providing an unreformed hydrocarbon fuel to the anode inlet (226) at a first fuel flow rate from a fuel supply (225) when but not before the stack (205) is above the first threshold temperature; recirculating anode off gas from the anode outlet (227) to the anode inlet (226) while providing unreformed fuel to the anode inlet (226); and drawing a current from the fuel cell system (200, 300) while recirculating the anode off gas.

公开(公告)号：US20240047721A1

公开(公告)日：2024-02-08

申请号：US18229436

申请日：2023-08-02

Applicant: HYUNDAI MOBIS CO., LTD.

Inventor： Se Hoon SONG

IPC: H01M8/04955 ,  H01M8/04701 ,  H01M8/0432 ,  H01M8/04007 ,  H01M8/04119

CPC classification number: H01M8/04955 ,  H01M8/04738 ,  H01M8/0432 ,  H01M8/04037 ,  H01M8/04126

Abstract: A fuel cell system of this disclosure includes a fuel cell stack; a water supply unit to selectively supply cooling water or heated water to a cooler of the fuel cell stack, and including a heater for heating the cooling water; an air cutoff valve to supply air to an anode of the fuel cell stack and drain a residue from the anode; an anode pressure regulator to drain the residue from the air cutoff valve and control a pressure of the anode; sensors to measure an operating temperature of the fuel cell stack, an outside air temperature, and an atmospheric pressure; and a controller to calculate a target pressure for the anode, control the air cut-off valve, control the anode pressure regulator, and stop an operation of the heater when a stack voltage of the fuel cell stack is lower than a predetermined reference voltage.

公开(公告)号：US11855317B2

公开(公告)日：2023-12-26

申请号：US17432571

申请日：2020-02-11

Applicant: cellcentric GmbH & Co. KG

Inventor： Simon Erbach

IPC: H01M8/04 ,  H01M8/04228 ,  H01M8/04089 ,  H01M8/0432 ,  H01M8/0444 ,  H01M8/04303 ,  H01M8/04955

CPC classification number: H01M8/04228 ,  H01M8/0432 ,  H01M8/0447 ,  H01M8/04089 ,  H01M8/04303 ,  H01M8/04462 ,  H01M8/04955 ,  H01M2250/20

Abstract: A method for shutting down a fuel cell system (2) having at least one fuel cell (3), which fuel cell comprises an anode chamber (10) and a cathode chamber (6), wherein after the shut-down hydrogen remains in the anode chamber (10) of the fuel cell (3) in order to prevent carbon corrosion and to ensure a hydrogen protection time. The invention is characterized in that when the hydrogen in the anode chamber (10) is largely used up directly or after a specified number of subsequent meterings of hydrogen at least into the anode chamber (10), the hydrogen protection time is actively terminated by air being actively admitted into the cathode chamber (6), the fuel cell (3) being actively cooled before air is actively admitted into the cathode chamber (6).

公开(公告)号：US20230378496A1

公开(公告)日：2023-11-23

申请号：US17986054

申请日：2022-11-14

Applicant: HYUNDAI MOTOR COMPANY ,  KIA CORPORATION

Inventor： Seon Hak Kim ,  Kyu Il Lee ,  Da Kyung Kim

IPC: H01M8/04223 ,  H01M8/04228 ,  H01M8/0432 ,  H01M8/04291 ,  H01M8/04955 ,  H01M8/04828

CPC classification number: H01M8/04253 ,  H01M8/04228 ,  H01M8/0432 ,  H01M8/04291 ,  H01M8/04955 ,  H01M8/04828 ,  H01M2250/20

Abstract: A system and a method of draining residual water of a fuel cell for a vehicle are proposed. The system includes a fuel cell; an outdoor temperature sensor measuring an outdoor temperature; a drainer draining residual water in the fuel cell; and a controller previously controlling the drainer to drain the residual water in the fuel cell before parking of the vehicle is completed or an operation of the fuel cell is terminated, when a parking available situation is detected during driving of the vehicle in a state where the outdoor temperature is equal to or less than a reference temperature.

公开(公告)号：US11811110B2

公开(公告)日：2023-11-07

申请号：US18182892

申请日：2023-03-13

Applicant: ESS TECH, INC.

Inventor： Yang Song ,  Timothy J. McDonald ,  Thiago Groberg

IPC: H01M8/04 ,  H01M8/04537 ,  H01M8/18 ,  H01M8/04955 ,  H01M8/04858

CPC classification number: H01M8/04611 ,  H01M8/04582 ,  H01M8/04932 ,  H01M8/04955 ,  H01M8/188

Abstract: Systems and methods for operating an electric energy storage device are described. The systems and methods may generate a state of charge estimate that is based on negative electrode plating. An overall state of charge may be determined from the state of charge estimate that is based on negative electrode plating and a state of charge estimate that is not based on negative electrode plating.

公开(公告)号：US11784330B2

公开(公告)日：2023-10-10

申请号：US16903352

申请日：2020-06-16

Applicant: HYUNDAI MOTOR COMPANY ,  KIA MOTORS CORPORATION

Inventor： Sung Bum Choi ,  Choong Woon Lim

IPC: H01M8/04029 ,  H01M8/04007 ,  H01M8/04955 ,  H01M8/04701

CPC classification number: H01M8/04029 ,  H01M8/04074 ,  H01M8/04723 ,  H01M8/04955 ,  H01M2250/20

Abstract: Disclosed is a fuel cell control system including: a fuel cell supplied with each of hydrogen and oxygen and configured to generate electric power by means of a chemical reaction therein; a cooling system having a heat-exchange device capable of exchanging heat with external air, the cooling system being configured such that cooling water circulates therein and exchanges heat with the fuel cell; a temperature sensing unit configured to sense a fuel cell temperature or a cooling water temperature in the cooling system; and a cooling control unit configured to control the cooling system so as to additionally cool the fuel cell when the fuel cell stops generating electric power, if the fuel cell temperature or the cooling water temperature sensed by the temperature sensing unit while the fuel cell generates electric power is equal to or higher than a preconfigured performance degradation temperature.

公开(公告)号：US20230317986A1

公开(公告)日：2023-10-05

申请号：US17973021

申请日：2022-10-25

Applicant: Hyundai Motor Company ,  Kia Corporation

Inventor： Won Sik Jeong ,  Jae Gwang Lee

IPC: H01M8/04302 ,  H01M8/04225 ,  H01M8/04228 ,  H01M8/04303 ,  H01M8/04537 ,  H01M8/04858 ,  H01M16/00 ,  H01M10/44 ,  H01M8/04955

CPC classification number: H01M8/04302 ,  H01M8/04225 ,  H01M8/04228 ,  H01M8/04303 ,  H01M8/04619 ,  H01M8/0494 ,  H01M16/006 ,  H01M10/44 ,  H01M8/04955

Abstract: An apparatus for controlling a cold start and a cold shutdown (CSD) of a fuel cell system and a method thereof are provided. A monitoring device may individually monitor at least one of an amount of accumulated power and/or an accumulated driving time of one or more fuel cell stacks. A controller may select a representative fuel cell stack among the one or more fuel cell stacks, based on the amount of accumulated power and/or the amount of accumulated driving time, performs a cold start of the representative fuel cell stack, and perform cold starts of the remaining fuel cell stacks, using power of the representative fuel cell stack after the cold start of the selected representative fuel cell stack is completed. The apparatus makes power used for a cold start and a CSD highly efficient.

公开(公告)号：US11777118B2

公开(公告)日：2023-10-03

申请号：US17743125

申请日：2022-05-12

Applicant: HYUNDAI MOTOR COMPANY ,  KIA CORPORATION

Inventor： Sung Do Kim ,  Joo Yeon Kim ,  Min Su Kang ,  Chang Seok You

IPC: H01M8/04 ,  H01M8/04303 ,  H01M8/04225 ,  H01M8/04228 ,  H01M8/04313 ,  H01M8/04955 ,  H01M8/04302

CPC classification number: H01M8/04303 ,  H01M8/04225 ,  H01M8/04228 ,  H01M8/04302 ,  H01M8/04313 ,  H01M8/04955 ,  H01M2250/20

Abstract: Disclosed herein is a method of controlling start/stop of a parallel fuel cell system, which, when controlling stop of a parallel fuel cell system in which two or more fuel cell systems are connected in parallel, considers operating state information of each fuel cell system, such as a current speed value of an air compressor and an opening degree of an air-exhaust-side air pressure valve of a fuel cell stack. Accordingly, the method can calculate a delay time for performing fuel cell system stop control for the two or more fuel cell systems, and sequentially perform the fuel cell system stop control for the two or more fuel cell systems based on the calculated delay time. Therefore, it is possible to minimize output delay of each fuel cell system and to achieve deterioration prevention and efficiency improvement of the fuel cell stack by fuel cell system start/stop control.

公开(公告)号：US20230307675A1

公开(公告)日：2023-09-28

申请号：US17973168

申请日：2022-10-25

Applicant: Hyundai Motor Company ,  Kia Corporation

Inventor： Ju Hae Jung ,  Yong Min Kim ,  Hyun Bae Dong ,  Sun Hee Jo

IPC: H01M8/04858 ,  H01M8/04537 ,  H01M8/04302 ,  H01M8/04225 ,  H01M8/04955

CPC classification number: H01M8/0494 ,  H01M8/04619 ,  H01M8/04302 ,  H01M8/04225 ,  H01M8/04955

Abstract: A fuel cell generation system control apparatus performs a method for controlling power of a fuel cell generation system. A monitoring device monitors power of the one or more fuel cell modules. A controller compensates for power of one or more first fuel cell modules by one or more second fuel cell modules, based on the monitored power, and performs power control of the one or more fuel cell modules. The fuel cell generation system control apparatus addresses a problem in which power of the fuel cell generation system is reduced as there is a change in external environment or an increase in driving time upon power control of a multi-module fuel cell system.