Abstract: A lithium precipitation detection method may include: sending, when a battery management module in the battery pack determines that a change in a charging voltage of the battery pack meets a predetermined condition, a charging request containing a first current to a charging pile for charging, and controlling the battery pack to be charged with the first current for a first predetermined duration and a second predetermined duration, where the first predetermined duration is equal to the second predetermined duration; obtaining, by the battery management module, a first voltage change amount within the first predetermined duration and a second voltage change amount within the second predetermined duration; and determining, when the battery management module determines that a difference between the second voltage change amount and the first voltage change amount is greater than a predetermined voltage threshold, that lithium precipitation occurs in the battery pack.

Abstract: A lithium precipitation detection method may include: sending, when a battery management module in the battery pack determines that a change in a charging voltage of the battery pack meets a predetermined condition, a charging request containing a first current to a charging pile for charging, and controlling the battery pack to be charged with the first current for a first predetermined duration and a second predetermined duration, where the first predetermined duration is equal to the second predetermined duration; obtaining, by the battery management module, a first voltage change amount within the first predetermined duration and a second voltage change amount within the second predetermined duration; and determining, when the battery management module determines that a difference between the second voltage change amount and the first voltage change amount is greater than a predetermined voltage threshold, that lithium precipitation occurs in the battery pack.

Abstract: Embodiments of the present application provide a method for charging a power battery and a battery management system, which can effectively improve the charging speed of the power battery on the basis of ensuring the safety performance of the power battery. The method for charging a power battery is applied to a battery management system for the power battery. The method includes: determining a negative electrode potential safety threshold according to a battery state parameter of the power battery, the battery state parameter comprising at least one of the state of charge (SOC), the temperature, and the state of health (SOH) of the power battery; and adjusting a charging request current for the power battery based on a negative electrode potential of the power battery and the negative electrode potential safety threshold during a charging process for the power battery.

Abstract: A method for charging a power battery includes determining a first charging current for the power battery, determining, according to a temperature of the power battery, whether to perform thermal management of the power battery, determining, in response to determining to perform the thermal management of the power battery, a thermal management current according to the first charging current and charging pile power, and sending the first charging current and the thermal management current to a charging pile. The first charging current is used for charging the power battery and the thermal management current is used for performing the thermal management of the power battery.

Abstract: Embodiments of the present application provide a method for charging a power battery and a battery management system. The method may be applied to a battery management system for the power battery, and the method may comprise acquiring a charging mode of the power battery; determining a negative electrode potential safety threshold for the power battery according to the charging mode of the power battery; acquiring a negative electrode potential of the power battery during a charging process for the power battery; and adjusting a charging current for the power battery based on the negative electrode potential of the power battery and the negative electrode potential safety threshold.

Abstract: An embodiment of this application provides a charging control method and device and a power management controller. The charging control method includes: determining whether battery status of a battery pack meets preset conditions, where the battery pack includes a plurality of battery cells, and the preset conditions are: the battery pack has been left standing for a preset duration, and an open-circuit voltage of each battery cell in the battery pack falls within a preset range; and charging the battery pack based on a charging policy corresponding to a determining result, so that a capacity of a battery cell with a highest remaining capacity in the battery pack reaches a nominal capacity of the battery cell with the highest remaining capacity.

Abstract: The present application relates to a battery module, which includes a first type of battery cells and a second type of battery cells electrically connected in series. The first type of battery cells and the second type of battery cells are battery cells with different chemical systems. The first type of battery cells includes N first battery cells, and the second type of battery cells includes M second battery cells, where N and M are greater than or equal one. The present application also relates to a battery pack and an electric apparatus including the battery module, and method and device for manufacturing the battery module.

Abstract: Embodiments of the present application provide a method and an apparatus for battery SOC correction, and a battery management system, which relate to the technical field of batteries. The method includes: acquiring a voltage-SOC variation curve of a battery during a charging process; generating a voltage differential curve of the battery according to the voltage-SOC variation curve, the voltage differential curve being a variation curve of a differential value with SOC, the differential value being a ratio of a voltage variation to a SOC variation corresponding to the voltage variation during the charging process; determining a peak point on the voltage differential curve, the peak point being between any two adjacent plateaus on the voltage-SOC variation curve and not located on the any two adjacent plateaus; performing SOC correction on the basis of the peak point. This method is used to improve the SOC estimation accuracy.

Abstract: This application embodiment provides a method for equalizing the battery module, an apparatus, a battery module and a power management controller, including: judging whether the first battery core and the second battery core enter their respective fully-charged interval; if the first battery core enters and the second battery core doesn't enter, discharging the first battery core until the second battery core enters; if the first battery core doesn't enter and the second battery core enters, judging whether the maximum value of the first charging voltage of each battery cell in the first battery core is greater than a third preset value; if so, discharging the second battery core until the first battery core enters; if not, controlling both to rest a preset time; after resting for the preset time, discharging the first battery core and the second battery core until the SOC of each battery cell enters a same state.

Abstract: Embodiments of this application relate to the technical field of batteries, and in particular, to a state-of-charge cut-off control method, apparatus and system, and a storage medium. The method includes: obtaining, in a discharging process of a battery, a net discharge capacity of a first battery cell from being fully charged to current time; obtaining an available capacity and a state of health of the first battery cell; obtaining a current remaining dischargeable capacity of the first battery cell; and setting a state of charge SOC of the first battery cell to 0.

Abstract: This application provides a method and device for detecting charging abnormality, and a storage medium. In this application, a first sampling moment corresponding to a first minimum voltage in n sampled voltages is determined based on n consecutive sampled voltages of a first cell from an end moment of an ith charging phase to an end moment of an (i+1)th charging phase in a kth charging process. A second sampling moment corresponding to a second minimum voltage in any one of the first (k?1)th charging processes can be determined in the same way. Then abnormality of the kth charging process is determined.

Abstract: Embodiments of this application provide a battery, an electric apparatus, a battery charging method, and an apparatus for charging a battery. The technical solutions provided by the application belong to the field of battery charging technologies. In this application, a historical capacity decline of the battery is determined based on capacity decline in a k-th discharging process and a capacity decline in previous k?1 discharging processes, a full charge voltage in an m-th charging process is determined based on the historical capacity decline, and then m-th charging is performed, based on the determined full charge voltage in the m-th charging process, on the battery. Because the historical capacity decline increases constantly with the use of the battery, in this application, the full charge voltage of the battery in the charging process is increased constantly, or the full charge voltage is opened up constantly.

Abstract: This application provides a method and device for estimating a SOC of a battery pack, and a battery management system. The battery pack includes a first cell without a plateau and a second cell with a plateau. At least one first cell is serially connected to the second cell. The method includes: determining a capacity variation of the battery pack based on a SOC variation of the first cell in comparison with an initial SOC of the first cell, and based on a nominal capacity of the first cell; obtaining an equalization capacity of the first cell and an equalization capacity of the second cell; and estimating a SOC of the second cell, and determining the SOC of the battery pack based on the SOC of the second cell.

Abstract: A spectrally filtered photodiode pair includes a substrate having a first photodiode and a second photodiode, wherein the first photodiode is positioned adjacent to the second photodiode. The spectrally filtered photodiode pair further includes a first spectral filter positioned over the first photodiode and a second spectral filter positioned over the second photodiode. The first and second spectral filters comprise particular absorbing dye compositions described herein, selected to filter preselected wavelengths of light. The spectrally filtered photodiode pair can be useful in sensors, particularly when rapid and low-concentration detection is needed.

Abstract: An embodiment of this application provides a charging control method and device and a power management controller. The charging control method includes: determining whether battery status of a battery pack meets preset conditions, where the battery pack includes a plurality of battery cells, and the preset conditions are: the battery pack has been left standing for a preset duration, and an open-circuit voltage of each battery cell in the battery pack falls within a preset range; and charging the battery pack based on a charging policy corresponding to a determining result, so that a capacity of a battery cell with a highest remaining capacity in the battery pack reaches a nominal capacity of the battery cell with the highest remaining capacity.

Abstract: An acquiring method and device of residual energy of a power battery are provided. The acquiring method includes: acquiring an available capacity of a first type of cells and an available capacity of a second type of cells; determining a minimum available capacity as an available capacity of the power battery; determining available energy of the first type of cells according to the available capacity of the power battery, a current temperature, and a quantity of cells of the first type of cells; determining available energy of the second type of cells according to the available capacity of the power battery, a current temperature, and a quantity of cells of the second type of cells; and determining the sum of the available energy of the first type of cells and the available energy of the second type of cells as a quantity of residual energy of the power battery.

Abstract: An acquiring method and device of residual energy of a power battery are provided. The acquiring method includes: acquiring an available capacity of a first type of cells and an available capacity of a second type of cells; determining a minimum available capacity as an available capacity of the power battery; determining available energy of the first type of cells according to the available capacity of the power battery, a current temperature, and a quantity of cells of the first type of cells; determining available energy of the second type of cells according to the available capacity of the power battery, a current temperature, and a quantity of cells of the second type of cells; and determining the sum of the available energy of the first type of cells and the available energy of the second type of cells as a quantity of residual energy of the power battery.

Abstract: This application embodiment provides a method for equalizing the battery module, an apparatus, a battery module and a power management controller, including: judging whether the first battery core and the second battery core enter their respective fully-charged interval; if the first battery core enters and the second battery core doesn't enter, discharging the first battery core until the second battery core enters; if the first battery core doesn't enter and the second battery core enters, judging whether the maximum value of the first charging voltage of each battery cell in the first battery core is greater than a third preset value; if so, discharging the second battery core until the first battery core enters; if not, controlling both to rest a preset time; after resting for the preset time, discharging the first battery core and the second battery core until the SOC of each battery cell enters a same state.

Abstract: The disclosure relates to a compound, having a structure of Formula I or a pharmaceutically acceptable salt thereof, herein, R1 is selected from hydrogen, fluorine, and chlorine; R2 and R3 are independently selected from hydrogen, alkyl, a substituted alkyl, alkenyl or a substituted alkenyl, alkynyl or a substituted alkynyl, and aryl, or R2 and R3 are connected to form a ring selected from a cycloalkyl, a substituted cycloalkyl, an aromatic heterocycle or a non-aromatic heterocycle; R4 is selected from hydrogen, cyano, alkyl, a substituted alkyl, alkenyl or a substituted alkenyl, alkynyl or a substituted alkynyl, and aryl; and R5 is selected from hydrogen, halogen, and haloalkyl. The disclosure further relates to a pharmaceutical composition containing the compound. The compound and the composition of the disclosure show significant activity in an aspect of treating AR-prostate cancer and triple-negative breast cancer.

Abstract: The invention, in some aspects, relates to methods, systems, and components of a high-content, single-cell resolution, spatial multiplex cell imaging system.