Abstract: To perform charge/discharge control of a storage battery at an appropriate timing. In a battery controller, a battery information acquisition unit acquires information on the storage battery. A degradation progression rate calculation unit calculates a degradation progression rate of the storage battery based on the information acquired by the battery information acquisition unit. A limit value setting unit sets a limit value for controlling charge/discharge of the storage battery based on the degradation progression rate calculated by the degradation progression rate calculation unit. A timing determination unit determines a timing at which the limit value needs to be output based on the information acquired by the battery information acquisition unit. A limit value output unit outputs the limit value to a host controller based on the timing determined by the timing determination unit.

Abstract: A current of a storage battery is appropriately controlled depending on the situation. In a battery controller, a battery information acquiring unit acquires information on the storage battery. A first allowable current calculating unit calculates a first allowable current of a battery module in accordance with a rated value of a component through which a current flows by charging or discharging of the battery module. A second allowable current calculating unit calculates a second allowable current of the battery module in accordance with an SOC of the battery module on the basis of the information acquired by the battery information acquiring unit. A third allowable current calculating unit calculates a third allowable current of the battery module in accordance with an SOH of the battery module on the basis of the information acquired by the battery information acquiring unit.

Abstract: An image processing apparatus includes circuitry that converts user voices that are input into a string of characters reflecting a statement made with the user voices, retrieves one or more items of information related to the string, stores the information being retrieved associated with identification information indicating a retrieval time when the information is retrieved, draws a graphical image including the information being stored on a projection target image to be projected by a projector, and controls the projector to project the projection target image including the graphical image, the graphical image having a size that is determined in accordance with the identification information associated with the information included in the graphical image being projected.

Abstract: Provided are: an electric storage device having improved reliability in charging a storage battery; and a charging method. This electric storage device is provided with: an SOC calculation section which calculates a charge rate when a battery voltage reached a predetermined value, in the cases where the battery voltage reached the predetermined value when a lithium ion storage battery is being charged; a voltage difference calculation section, which calculates a battery voltage difference corresponding to a difference between the charge rate and a charge rate at which lithium is deposited; a charge complete voltage calculation means, which calculates a charge complete voltage by adding the voltage difference to the battery voltage obtained when the battery voltage reached the predetermined value; and a charge control means, which completes the charging of the lithium ion storage battery in the cases where the battery voltage reached the charge complete voltage.

Abstract: Provided is a lithium battery system which utilizes at least one lithiumbattery capable of being charged and discharged, and includes at least a charger or a power converter capable of charging the lithium battery. When charging the lithium battery by the charger or the power converter, a charging end voltage at which the charging of the lithium battery is ended is set in accordance with a magnitude of a current during the charging, and the charger or the power converter is controlled based on the set charging end voltage. Thus, it is possible to expand the chargeable voltage range of the lithium battery system practically even in applications requiring a large current for charging.

Abstract: In order to provide a charge/discharge technology for controlling an assembled battery system without promoting degradation or reduction in the lifetime of the assembled battery system, the assembled battery system includes a function for controlling charge and discharge power of a plurality of units each including a secondary battery and a power converter as one unit, the plurality of units being electrically connected in parallel to each other. When each unit performs charge or discharge by at least one or more times, charge and discharge of the unit are controlled so as not to be performed until a predetermined pause time period elapses.

Abstract: Provided are: an electric storage device having improved reliability in charging a storage battery; and a charging method. This electric storage device is provided with: an SOC calculation section which calculates a charge rate when a battery voltage reached a predetermined value, in the cases where the battery voltage reached the predetermined value when a lithium ion storage battery is being charged; a voltage difference calculation section, which calculates a battery voltage difference corresponding to a difference between the charge rate and a charge rate at which lithium is deposited; a charge complete voltage calculation means, which calculates a charge complete voltage by adding the voltage difference to the battery voltage obtained when the battery voltage reached the predetermined value; and a charge control means, which completes the charging of the lithium ion storage battery in the cases where the battery voltage reached the charge complete voltage.

Abstract: Even if requirements for any scale of system constructions occur, a battery system of flexibly responding to the requirements is provided. The battery system comprising a battery module having a plurality of battery cells being connected, a battery pack having a plurality of battery modules being connected either in series or in parallel or both in series and in parallel, and a battery block having a plurality of battery packs being connected either in series or in parallel or both in series and in parallel. They are mutually layered. In the battery system, the battery module, the battery pack, and the battery block are previously prepared as variations of layered basic units. In response to requirements for any scale of system constructions, the basic units are combined accordingly.

Abstract: A battery pack that reduces a temperature difference between single cells and can increase a battery capacity per volume and a container provided with the same are provided. A battery pack 100, includes: a battery module 10 including a plurality of single cells 1 arranged in parallel in a line; and a partition member 20 provided on a side surface of the battery module 10 and forming a flow channel 21 through which a gas for exchanging heat with the plurality of single cells 1 is flowable, and the partition member 20 is provided so that the gas flowing through the flow channel 21 and at least two single cells 1 exchange heat and is inclined with respect to a direction orthogonal to an arrangement direction of the plurality of single cells 1 arranged in parallel in a line.

Abstract: There is provided a battery system made up by connecting multiple battery units in parallel with each other, the battery units having multiple battery banks, respectively, and multiple switching circuits connected in series to the battery banks, respectively. A switching circuit is made up by connecting a first circuit connected in series to a precharge resistor having a known resistance value, in parallel with a second circuit having a second switch. Timing for turning the second switch into the on state under an equal-current condition when the connection-target battery unit is connected to the battery system is controlled by a controller for controlling the respective outputs of the plural battery units.

Abstract: A battery system (201) includes a battery module (314) in which plural battery cells (310) are connected in series, a battery pack (203) in which the battery modules (314) are connected in series, parallel or series-parallel, and a battery block (212) in which the battery packs (203) are connected in series, parallel or series-parallel, which are mutually layered. In the battery system (201), a structure is adopted in which the battery module (314), the battery pack (203) and the battery block (212) are previously prepared as hierarchical variations of basic units, and these basic units are appropriately combined according to a required scale. According to the battery system of the invention, even when a system construction request of any scale occurs, the request can be flexibly dealt with.

Abstract: When detecting a fault of a master control device, a slave control device refers to master-device-line information, and obtains line information to establish a connection with the other master control device. The slave control device transmits connection request information to the master control device extracted from the other master control devices. The other master control device determines whether or not it is connectable with the slave control device that has transmitted the connection request information, and transmits a determination result as connectability information. The slave control device switches a communication line to the other master control device when the received connectability information indicates the connectable status.

Abstract: A first battery pack (252-1) comprises a battery module (314) which includes a plurality of battery cells (310) connected in series between a positive terminal (352) and a negative terminal (353), ground-fault resistances (45) each of which appears between a grounding point (23) and an inter-battery connection point (311) between adjoining ones of the battery cells (310), a booster unit (11) which is provided to the positive terminal (352) and outputs boosted electric potential acquired by boosting high electric potential of the battery module (314), a protective resistance (25) and a ground fault detecting resistance (27) which are provided in series between a third connection point (19) (on the output side of the booster unit (11)) and the grounding point (23), and a ground fault detecting unit (41) which detects the presence/absence of a ground fault in the battery module (314) based on the result of comparison between preset threshold electric potential (Vref) and electric potential of an inter-resistance

Abstract: A lithium-ion rechargeable battery module having a plurality of lithium-ion battery cells, arranged that battery cells located at an high temperature portion of the module are electrically connected in parallel with battery cells located at a low temperature portion of the module. The battery cells at the high temperature portion have a higher electric resistance at 20° C. and a better high-temperature storage characteristic at 50° C. than those of the battery cells located at the low temperature portion.

Abstract: When detecting a fault of a master control device, a slave control device refers to master-device-line information, and obtains line information to establish a connection with the other master control device. The slave control device transmits connection request information to the master control device extracted from the other master control devices. The other master control device determines whether or not it is connectable with the slave control device that has transmitted the connection request information, and transmits a determination result as connectability information. The slave control device switches a communication line to the other master control device when the received connectability information indicates the connectable status.

Abstract: An objective of the invention is to deal with difference of the internal resistance of batteries. A battery system (1) including a plurality of battery modules (3) connected, wherein the higher the temperature of the location where the battery module (3) is located becomes, the larger the resistance value of a distribution cable (11) is made. In a chassis (2), the distribution cable (11) located where the temperature is high is made longer and the distribution cable (11) located where the temperature is low is made shorter. More specifically, the distribution cable (11) connected to a battery group (4) located on the upper part of the chassis is made longer and the distribution cable (11) connected to a battery group (4) located on the lower part of the chassis is made shorter. Further, the length of the distribution cable (11) may be adjusted by arranging the output terminal (21) on the lowermost part of the chassis (2).

Abstract: In order to provide a charge/discharge technology for controlling an assembled battery system without promoting degradation or reduction in the lifetime of the assembled battery system, the assembled battery system includes a function for controlling charge and discharge power of a plurality of units each including a secondary battery and a power converter as one unit, the plurality of units being electrically connected in parallel to each other. When each unit performs charge or discharge by at least one or more times, charge and discharge of the unit are controlled so as not to be performed until a predetermined pause time period elapses.

Abstract: Provided is a battery system which can ensure high safety even when the battery system is constructed using a mechanical relay. The battery system includes: a battery module where a plurality of battery cells are connected to each other in series; a switching circuit which is connected to the battery module in series; a control unit which controls the switching circuit; and a welding diagnosis circuit which diagnoses welding of the switching circuit, wherein the switching circuit is constituted by connecting a first relay switch and a second relay switch in series, and the welding diagnosis circuit includes a voltage measuring device which measures a voltage between the first relay switch and the second relay switch.

Abstract: Provided is a battery system which can easily identify a portion where a fuse is blown when the fuse is blown even in a large-scale battery system where a plurality of batteries are connected in series. The battery system includes a battery pack including a series circuit where a plurality of battery modules are connected to each other in series, the battery module including a fuse which is connected in series to a battery cell, and a light emitting diode which is connected in parallel to the fuse and has an anode thereof connected to a positive pole side of the battery cell; and a switching element which is connected in parallel to the series circuit.

Abstract: There is provided a battery system made up by connecting multiple battery units in parallel with each other, the battery units having multiple battery banks, respectively, and multiple switching circuits connected in series to the battery banks, respectively. A switching circuit is made up by connecting a first circuit connected in series to a precharge resistor having a known resistance value, in parallel with a second circuit having a second switch. Timing for turning the second switch into the on state under an equal-current condition when the connection-target battery unit is connected to the battery system is controlled by a controller for controlling the respective outputs of the plural battery units.