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.

A battery pack is provided that includes battery cell magazines and a battery management system to control charging and discharging of the associated battery pack. The battery cell magazines may include a magazine housing and associated battery cells. The magazine housing may define a plurality of battery cell recesses to receive the battery cells. The battery management system may be configured to balance the state of charge of a battery stack of battery packs. Methods for balancing a state of charge of battery packs of a battery stack are also provided, as are systems for lifting a battery stack.

A wiring module to be attached to a plurality of power storage devices arranged in an arrangement direction, the wiring module including: an insulating protector; and a flexible printed wiring board disposed in the protector, wherein the protector has a shape extending in the arrangement direction, the flexible printed wiring board includes a main body part extending in the arrangement direction and disposed in the protector, and an extension piece extending from the main body part, the extension piece has a curved portion that is curved, and the extension piece is inverted by the curved portion, and the protector includes a locking part that locks to the extension piece from a direction to prevent the curved portion from deforming back to an original shape thereof.

A determination device (1) includes: an acquisition unit (11) that acquires determination information for determining a degree of deterioration or guarantee of a lead-acid battery (3); a determination unit (11) that determines the degree of deterioration or guarantee of the lead-acid battery (3) by referring to a database (142) that stores the determination information and the degree of deterioration or guarantee of the lead-acid battery (3) in association with each other based on the acquired determination information; and an output unit (11) that outputs a result determined by the determination unit (11).

Provided are a lithium plating detection method, a battery management method and apparatus for safety diagnosis using the lithium plating detection method. The lithium plating detection method according to the present disclosure includes detecting, accumulating and tracking each of an open circuit voltage (OCV) after fully charging and an OCV after fully discharging of a battery every charge/discharge cycle of the battery, and determining if lithium plating took place in the battery using a result of tracking the OCV after fully charging and the OCV after fully discharging, wherein a range satisfying a condition of the reduced OCV after fully charging and the reduced OCV after fully discharging in the tracking result is determined as a range in which lithium plating starts to take place.

Provided are a lithium plating detection method, a battery management method and apparatus for safety diagnosis using the lithium plating detection method. The lithium plating detection method according to the present disclosure includes detecting, accumulating and tracking each of an open circuit voltage (OCV) after fully charging and an OCV after fully discharging of a battery every charge/discharge cycle of the battery, and determining if lithium plating took place in the battery using a result of tracking the OCV after fully charging and the OCV after fully discharging, wherein a range satisfying a condition of the reduced OCV after fully charging and the reduced OCV after fully discharging in the tracking result is determined as a range in which lithium plating starts to take place.

Discussed is an apparatus for inspecting swelling of a battery cell, the apparatus including a first plate configured in a plate shape; a second plate configured in a plate shape and located to face the first plate to be spaced therefrom by a predetermined interval, the second plate being configured so that the battery cell is to be interposed between the first plate and the second plate; a fixing frame configured so that a portion of the first plate is fixedly coupled thereto; a connection frame having one end fixedly coupled to the second plate and another end fixedly coupled to the fixing frame; and a measuring element attached to the connection frame and configured to measure a deformation rate of the connection frame based on the swelling of the battery cell.

A battery module, including battery cells connected in series or connected in series and in parallel, a plurality of bus bars connected to corresponding electrode leads of the battery cells, and a voltage sensing member having sensing parts respectively connected to the bus bars, each of the plurality of bus bars having a pin hole perforated therethrough in a thickness direction, and each of the sensing parts having a solder pin configured to be inserted into and released from the pin hole.

A system for detecting a defective battery using wireless communications. The system includes first sensors and a first master device. The first sensors are matched on a 1:1 basis with first battery modules to monitor the first battery modules. The first master device communicates with the first sensors. The respective first sensors each include a first monitoring circuit which collects a primary data on a 1:1-matched first battery module in a monitoring mode, and a first communicating circuit which outputs the primary data to the first master device in a communicating mode. The first monitoring circuit is turned off in the communicating mode. The first communicating circuit is turned off in the monitoring mode.

An embodiment fire safety system for a mobility includes an air conditioner system including a compressor, a condenser, an expander, and an evaporator, wherein the air conditioner system is configured to circulate a refrigerant through the compressor, the condenser, the expander, and the evaporator, a battery pack including a battery and a temperature sensor, a refrigerant injector installed in the battery pack and coupled to the air conditioner system, and a controller configured to control the refrigerant injector to selectively inject the refrigerant into the battery in response to a temperature of the battery measured by the temperature sensor being equal to or greater than a temperature threshold.