Abstract: A battery state measurement system includes a server device configured to analyze a state of a battery. The service device includes a communication unit configured to receive a plurality of pieces of characteristic data indicating characteristics associated with change of the battery state based on physical quantity data indicating a physical quantity associated with the battery state and a diagnosis unit configured to analyze a deterioration state of the battery on the basis of the plurality of pieces of characteristic data.

Abstract: An output control device of a lithium ion battery includes an output control unit that controls an output of the lithium ion battery, and a computation unit that transmits a command to the output control unit, the computation unit calculates a distribution of a current and/or a potential within the electrode thickness of the negative electrode of the lithium ion battery by using a heterogeneous reaction model in the thickness direction of the electrode, and compares the distribution with a specified range in the negative electrode, and/or calculates a distribution of a current and/or a potential within the electrode thickness of the positive electrode of the lithium ion battery by using a heterogeneous reaction model in the thickness direction of the electrode, and compares the distribution with a specified range in the positive electrode, and transmits a command to the output control unit on the basis of a result of the comparison, and the output control unit controls an output voltage and/or an output curre

Abstract: A battery state analysis system includes a server device configured to analyze a state of a battery. The server device includes: a communication unit configured to receive a plurality of pieces of characteristic data; and a diagnosis unit configured to prepare a deterioration model by modeling resistance deterioration rates of a plurality of batteries and to analyze a deterioration state of the battery on the basis of a result of comparison between the deterioration model and the plurality of pieces of characteristic data. The diagnosis unit is configured to generate training data indicating the resistance deterioration rates by processing the resistance deterioration rates of the plurality of batteries using an experimental design method on acquired in advance, to remove an error by processing the training data using a variance analysis method, and to prepare the deterioration model by performing surface fitting on the training data on the basis of a deterioration transition expression.

Abstract: A pulse extraction device that can finely divide a waveform representing the charge amount (SOC) is provided. A pulse extraction device includes a pulse extraction part configured to extract a pulse based on a change point at which an increase or decrease changes in time series data of a charge amount of a secondary battery.

Abstract: An output control device for a lithium-ion battery includes: a voltage measuring unit configured to measure an output voltage of the lithium-ion battery; a current measuring unit configured to measure an output current of the lithium-ion battery; a storage unit configured to store measurement results from the voltage measuring unit and the current measuring unit; a calculation unit configured to calculate a voltage and a current which are to be output from the lithium-ion battery on the basis of the measurement results from the voltage measuring unit and the current measuring unit; and a control unit configured to perform feedback control of the output current and the output voltage of the lithium-ion battery on the basis of a calculation result from the calculation unit.

Abstract: A measurement device including an impedance calculator configured to perform following processes S1 to S5 is provided: S1: preparing a Bode diagram; S2: extracting a peak from the Bode diagram; increasing the number of RC parallel circuits by +1, and fitting a mountain shape which is able to be represented by an RC parallel circuit centered on the peak; S3: subtracting a Bode diagram component which is able to be represented by the fitted RC parallel circuit from the Bode diagram of the measurement results; S4: ending identification of the number of RC parallel circuits when a peak is not extracted from the Bode diagram and repeating the processes (S2) and S(3) when a peak is extracted; and S5: reporting the total number of RC parallel circuits.

Abstract: A control device includes a total characteristic value calculation part configured to calculate a total characteristic value showing a total characteristic change of a battery, a local characteristic value estimation part configured to estimate a local characteristic value showing a local characteristic change of the battery, and a current controller configured to control a current flowing to the battery on the basis of a ratio between the total characteristic value and the local characteristic value.

Abstract: A measurement device of a negative electrode SEI formation amount of a lithium ion battery includes a charge/discharge controller configured to perform charge/discharge control of the lithium ion battery, a voltage measurement part configured to measure a discharge voltage of the lithium ion battery, a current measurement part configured to measure a discharge current of the lithium ion battery, a discharge time measurement part configured to measure a discharge time of the lithium ion battery, a storage configured to store measurement results of the voltage measurement part, the current measurement part and the discharge time measurement part, and a calculation part configured to calculate a negative electrode SEI formation amount of the lithium ion battery.

Abstract: A battery characteristic estimation device includes a first calculation part configured to calculate a first electrical characteristic value of a secondary battery on the basis of frequency-dependent data that is data of an output voltage of the secondary battery changed by a frequency of alternating current applied to the secondary battery, a second calculation part configured to calculate a second electrical characteristic value of the secondary battery on the basis of transient response data that is data of the output voltage of the secondary battery attenuated by a change in direct current applied to the secondary battery, and an estimation part configured to estimate an electrical characteristic value of the secondary battery on the basis of the first electrical characteristic value and the second electrical characteristic value.

Abstract: Provided is a battery type determining device including: an output controller configured to instruct a current application circuit to apply a specific current to a battery having a current collector and a wound body or laminate; a magnetic field characteristic measurer configured to measure a magnetic field characteristic generated in the battery when the current is applied from the output controller; a storage unit configured to store a specified value of the magnetic field characteristic in accordance with a type of the battery; and a determiner configured to compare the specified value with a measured value of the magnetic field characteristic measurer to determine the type of the battery, wherein the magnetic field characteristic measurer measures a magnetic field generated by an electric current flowing through the current collector of the battery.

Abstract: A battery type determination device according to an embodiment includes: an output controller configured to instruct a current application circuit to apply a specific current to a target battery; a voltage response measurer configured to measure a voltage response of the target battery with respect to the current applied using the output controller; a calculator configured to obtain an inductance value of the target battery on the basis of a current value applied using the output controller and a voltage value measured by the voltage response measurer; and a determiner configured to determine a type of the target battery on the basis of a specified value of an inductance according to the type of the target battery and an inductance value of the target battery obtained using the calculator.

Abstract: An evaluation apparatus acquires present output information and degree of decrease information for each secondary battery as well as minimum output information for secondary use place and expiration period information for each application, and, in a case where an expiration period is defined for an application of a secondary use place, calculates a maximum output for each secondary battery at a time when the expiration period ends, and uses the calculated maximum output to evaluate a relative degree of adaptation of a plurality of secondary batteries to the application.

Abstract: Disclosed are a novel compound having a higher angiogenic effect than that of a known peptide-based angiogenic agent, and an angiogenic agent including the novel compound. The compound is represented by the following formula [1]: Cyclic(Cys-O2Oc-SVV(F/Y)GLRG-Cys)-NH2 (wherein the number of oxyethylene units, represented by O2Oc, is within the range of 2 to 6), the following formula [II]: Cyclic(O2Oc-SVV(F/Y)GLRQ)-NH2 [II] (wherein the number of oxyethylene units, represented by O2Oc, is within the range of 2 to 6), or the following formula [III]: O2Oc-SVV(F/Y)GLR-NH2 [III] (wherein the number of oxyethylene units, represented by O2Oc, is within the range of 2 to 6).

Abstract: A battery management control system includes: a battery, including: a battery cell; a battery cell monitor, detecting information on the battery cell; and a manager, controlling input/output of electric power to/from the battery cell based on the information; and a controller. One of the manager and the controller includes a first map specifying a first upper limit of the electric power and a second map specifying a second limit lower than the first limit. The controller calculates a first electric power value based on the first map and requests the first electric power value. When the manager controls the input/output of the electric power to/from the battery cell based on the first electric power value, and the information satisfies a deterioration determination condition, the manager determines that the battery cell is deteriorated, and the controller calculates a second electric power value based on the second map.

Abstract: A lithium ion rechargeable cell that is constructed by the steps of forming a cell unit (1) by packing an electrode group (10), in which plate-like positive and negative electrodes (12 and 14) and a plate-like separator (16) are superposed in layers, in a cell case (20) and sealing the electrode group together with an electrolyte; and forming a module by aligning and packing a plurality of cell units in a module case. The cell case is made of a laminated film (22). A porous spacer (30) made of insulating material is interposed in between the entire circumferential surface or partial surface of the electrode group and the laminated film.

Abstract: A lithium ion rechargeable cell that is constructed by the steps of forming a cell unit (1) by packing an electrode group (10), in which plate-like positive and negative electrodes (12 and 14) and a plate-like separator (16) are superposed in layers, in a cell case (20) and sealing the electrode group together with an electrolyte; and forming a module by aligning and packing a plurality of cell units in a module case. The cell case is made of a laminated film (22). A porous spacer (30) made of insulating material is interposed in between the entire circumferential surface or partial surface of the electrode group and the laminated film.

Abstract: A method of displaying a remaining battery capacity of a battery pack including battery cells, includes: monitoring at least voltage of the battery cells; outputting voltage information on the voltage; determining whether or not the battery pack is fully charged; when it is determined that the battery pack is fully charged, defining a lowest-voltage battery cell among the battery cells; estimating a charging rate of the lowest-voltage battery cell at a time when the battery pack is fully charged based on a charging rate map and the voltage information; calculating a correction coefficient for making a correction so that the estimated charging rate becomes a maximum value of the remaining battery capacity at a time when the remaining battery capacity is displayed; calculating a charging rate to be displayed, based on a charging rate at the time when the remaining battery capacity is displayed and the correction coefficient; and displaying the calculated charging rate on a display.

Abstract: A battery management control system includes: a battery, including: a battery cell; a battery cell monitor, detecting information on the battery cell; and a manager, controlling input/output of electric power to/from the battery cell based on the information; and a controller. One of the manager and the controller includes a first map specifying a first upper limit of the electric power and a second map specifying a second limit lower than the first limit. The controller calculates a first electric power value based on the first map and requests the first electric power value. When the manager controls the input/output of the electric power to/from the battery cell based on the first electric power value, and the information satisfies a deterioration determination condition, the manager determines that the battery cell is deteriorated, and the controller calculates a second electric power value based on the second map.