Abstract: Provided is a management system that can effectively manage a power supply device when the power supply device of an electric moving body is used for secondary use. A power supply device management system 1 includes: an electric moving body 100 including power supply devices 110 and 111, a communication unit 120, and a control unit 130; and a server device 300, in which a first identification number is assigned to each module unit in the power supply devices 110 and 111, and the server device 300 includes a communication section 310 that can communicate with the communication unit 120, and a storage unit 320 that stores characteristic information and failure history of the power supply devices 110 and 111, together with the first identification number.

Abstract: A battery information providing device includes an acquisition part configured to acquire a battery charging rate of a battery, which is mounted on a vehicle and which stores electric power for traveling the vehicle, and device battery information related to a device battery which is included in a device, which is an object to which the electric power is supplied, connected to the vehicle, and an estimation part configured to estimate a state of the battery after the electric power stored in the battery has been supplied to the device battery on the basis of the battery charging rate and the device battery information, and configured to output battery-related information related to the estimated state of the battery to an information output part.

Abstract: To prevent a driver from being given incorrect information regarding the estimation of a degradation state of a secondary battery. An electric vehicle (1) running by driving a motor by electric power of a secondary battery (2), includes a first estimation unit (10A) that estimates a degradation state of the secondary battery (2), a second estimation unit (10B) that estimates the degradation state of the secondary battery (2) by a method different from that of the first estimation unit (10A), a display unit (7) that displays estimation results by the first and second estimation units (10A, 10B), and a display control unit (8) that controls display of the display unit (7). The display control unit (8) switches between and displays the estimation result by the first estimation unit (10A) and the estimation result by the second estimation unit (10B) on the display unit (7).

Abstract: An information provision device and an information provision system that can reduce user anxiety when the charge amount of a battery has decreased are provided. A vehicle 100 is provided with a charge amount determination unit 611 that determines whether a charge amount of a battery 40 is less than a predetermined threshold; a minimum remaining travel distance calculation unit 613 that calculates a minimum remaining travel distance on the basis of error information for the vehicle 100 when the charge amount of the battery 40 is less than the predetermined threshold; and a display control unit 616 that displays, on a display unit 64 of a display device 60, charging equipment information related to charging equipment 300 present within a distance that can be traveled to in accordance with the minimum remaining travel distance.

Abstract: A display control apparatus includes: an acquisition part that acquires usage situation information of a battery which stores electric power for traveling of a vehicle; an evaluation part that evaluates a state change amount of the battery based on the usage situation information acquired by the acquisition part; a specifying part that specifies one or more factors of a state change of the battery based on the usage situation information acquired by the acquisition part; and a display control part that allows a display part to display a first image indicating a ratio at which a factor of the state change contributes to the state change amount for each factor of the state change.

Abstract: To prevent incorrect information from being given to a driver regarding the estimation of a degradation state of a secondary battery. A diagnostic device (100) for diagnosing a battery (40) provided in an electric vehicle (10), includes an estimation unit (301) that estimates a degradation state of the battery (40); a derivation unit (302) that derives an index value indicating validity of data used for the estimation of the degradation state; and a notification unit (303) that notifies, when accuracy of an estimated value is determined to be low based on the index value, a cause of a decrease in the accuracy of the estimated value.

Abstract: A system comprises an acceleration information acquisition unit configured to acquire information indicating an acceleration of a vehicle; a shaft output information acquisition unit configured to acquire information indicating a shaft output of a rotating electrical machine; a position information acquisition unit configured to acquire information indicating a position of the vehicle; and a determination unit configured to determine a state of a road on which the vehicle has run, based on the acceleration of the vehicle, the shaft output, and the position of the vehicle. A method comprises acquiring information indicating an acceleration of a vehicle; acquiring information indicating a shaft output of a rotating electrical machine; acquiring information indicating a position of the vehicle; and determining a state of a road on which the vehicle has run, based on the acceleration of the vehicle, the shaft output, and the position of the vehicle.

Abstract: A facility information provision apparatus may include a vehicle information acquisition unit configured to acquire vehicle information relating to a vehicle that is capable of feeding power, a facility information acquisition unit configured to acquire facility information indicating whether each of a plurality of facilities requires power, a facility specification unit configured to specify at least two target facilities that require the power based on the facility information, and an output unit configured to output information relating to the at least two target facilities specified by the facility specification unit, to a display unit included in the vehicle that is capable of feeding the power and that is shown in the vehicle information.

Abstract: A battery state determination system is a battery state determination system including an in-vehicle device and a server device, the in-vehicle device includes an acquisition part acquires physical quantity data showing a physical quantity related to a state of a battery mounted in a vehicle, an observation part that observes a feature related to a state change of the battery on the basis of the physical quantity data at a plurality of different observation times, and a transmission part that transmits a plurality of pieces of feature data which expresses the feature observed each observation time to the server device, and the server device includes a reception part that receives the plurality of pieces of feature data transmitted from the in-vehicle device, and a diagnosis part that diagnoses a deterioration state of the battery on the basis of the plurality of pieces of feature data.

Abstract: A management apparatus that controls charging and discharging between an electric power system and a secondary battery which is mounted on a vehicle and which stores electric power used for traveling of the vehicle includes: an acquisition part that acquires at least one of registration information indicating a use acceptance of the electric power and information indicating a use application of the electric power; and a management part that controls a supply of the electric power from the secondary battery to the electric power system in accordance with the presence or absence of the registration information or the use application of the electric power.

Abstract: Provided is an information providing system capable of promoting reuse of secondary batteries. An information providing system includes a supplementing target device and a server. The supplementing target device includes: a power calculating unit configured to calculate maximum required power; an air temperature acquiring unit configured to acquire past air temperature data; and a supplementing target information requesting unit configured to transmit, to the server, supplementing target information.

Abstract: A vehicle power supply control system includes a communicator configured to receive an emergency notification for notifying that an emergency situation has occurred and a controller configured to control charging and discharging of a secondary battery that supplies electric power to an electric motor for outputting a travel driving force of a vehicle. The controller is configured to perform control for extending an electric power supply range in the secondary battery in a case where the communicator has received the emergency notification.

Abstract: A battery state determination system includes a first in-vehicle device and a server device, the first in-vehicle device includes a first acquisition part that acquires physical quantity data related to a state of a battery, a first diagnostic part that performs deterioration diagnosis on the battery at a first operation cycle on the basis of the physical quantity data, and a first transmission part that transmits the physical quantity data and the diagnostic results of deterioration diagnosis to the server device, and the server device includes a reception part that receives the physical quantity data or the diagnostic result of the deterioration diagnosis from the first in-vehicle device, and a server-side processing part that performs a processing other than the deterioration diagnosis at an operation cycle which is longer than the first operation cycle on the basis of the diagnostic result of the deterioration diagnosis and/or the physical quantity data.

Abstract: Provided is an information provision system capable of reducing secondary damage in the case of a disaster. The information provision system includes: a vehicle; and an information provision apparatus communicatively connected to the vehicle and configured to provide information to the vehicle. The information provision apparatus includes an acquirer that acquires fire-related information indicating information about fire, a fire detector that detects an occurrence of fire based on the fire-related information, and a fire information generator that generates, in response to the detection of the occurrence of fire by the fire detector, fire avoidance information for avoiding the fire, and transmits the fire avoidance information to the vehicle. The vehicle includes an information receiver that receives the fire avoidance information, and a display controller that causes a display to display the fire avoidance information.

Abstract: A hydrogen production apparatus includes a water electrolysis unit, a storage unit, a supply unit, and an electrical equipment unit. A first ventilation flow path causes air to flow through an electrical equipment chamber and a storage chamber, which is formed by at least one of a water electrolysis chamber, a storage chamber, and a supply chamber. A second ventilation flow path causes air to flow through at least one of the water electrolysis chamber, the storage chamber, and the supply chamber that is not the storage chamber. The electrical equipment chamber is positioned farthest upstream in the first ventilation flow path, and the first ventilation flow path and the second ventilation flow path are separated from each other.

Abstract: An electric power adjustment system includes: a power storage system that is configured to store electric power; a reversible fuel cell system that is configured to generate electric power through a chemical reaction in a fuel cell using hydrogen which is supplied from a hydrogen station configured to store hydrogen and supply the generated electric power to the power storage system and that is configured to produce hydrogen through water electrolysis in the fuel cell and supply the produced hydrogen to the hydrogen station; a power adjustment device that is configured to adjust a flow of electric power which is exchanged between the power storage system and the reversible fuel cell system; and a power management device that is configured to manage the flow of electric power in the power adjustment device.

Abstract: A control device includes a communication unit configured to communicate with a management device that stores output limit information of an energy source used by a control device of a vehicle when the energy source is mounted on the vehicle, and a control unit configured to control output of the energy source on the basis of an output limit pattern based on the output limit information received by the communication unit from the management device.

Abstract: A vehicle monitoring device includes a communication part that communicates with one or more vehicles, an acquisition part configured to acquire identification information of the vehicle and starting information of a driving source of the vehicle from the vehicle using the communication part, and a processing part configured to extract a specified vehicle, a driving source of which is not started for a predetermined period or more, on the basis of the starting information and to perform a process corresponding to the specified vehicle.

Abstract: A hydrogen station includes a state management apparatus that is connected to each of a plurality of systems and manages the states of the plurality of systems, and a safety control apparatus that is formed separately from the main equipment and is connected to the state management apparatus. The state management apparatus performs first watchdog control to check operations of the plurality of systems and the safety control apparatus performs second watchdog control to check an operation of the state management apparatus. The state management apparatus or the safety control apparatus cuts off the power supply from the safety control apparatus to the main equipment if an abnormality is recognized by the second watchdog control, even if the first watchdog control indicates correct operation.

Abstract: An information provision device and an information provision system that can reduce user anxiety when the charge amount of a battery has decreased are provided. A vehicle 100 is provided with a charge amount determination unit 611 that determines whether a charge amount of a battery 40 is less than a predetermined threshold; a minimum remaining travel distance calculation unit 613 that calculates a minimum remaining travel distance on the basis of error information for the vehicle 100 when the charge amount of the battery 40 is less than the predetermined threshold; and a display control unit 616 that displays, on a display unit 64 of a display device 60, charging equipment information related to charging equipment 300 present within a distance that can be traveled to in accordance with the minimum remaining travel distance.