659results about "Cells structural combination" patented technology

A battery heating system includes: a temperature monitoring circuit configured to output a temperature monitoring signal; a voltage conversion circuit configured to receive a first voltage that is input by a power supply or a second voltage that is input by a to-be-heated battery; and a control circuit configured to receive the temperature monitoring signal and output a control signal. The voltage conversion circuit is configured to perform boosting processing or bucking processing on the first voltage based on the control signal or perform boosting processing or bucking processing on the second voltage based on the control signal to enable the to-be-heated battery to receive a charging current from the power supply in a first time segment using the voltage conversion circuit and the to-be-heated battery to output a discharging current to the power supply in a second time segment using the voltage conversion circuit.

An apparatus for diagnosing a battery according to an embodiment of the present disclosure includes a voltage measuring unit configured to measure a voltage of a battery during a discharge process of the battery; a pulse output unit configured to generate a discharge pulse at every predetermined cycle and output the generated discharge pulse to the battery; and a control unit configured to calculate a resistance value of the battery based on a voltage deviation of the battery due to the discharge pulse, determine a resistance pattern in a preset initial discharge region based on the calculated resistance value, and diagnose whether there is lithium precipitation in the battery according to the determined resistance pattern.

A power tool battery charger and method for adaptive charging and data transfer is disclosed. A power tool battery charger may include one or more charging docks, each charging dock including a charging interface for providing charging current, and an electronic controller including a processor and a memory. The electronic controller is configured to identify one or more battery packs received by the charging docks and determine battery information for the one or more battery packs. The battery information indicating tandem use information for the one or more battery packs, end-of-use information for the one or more battery packs, or user preference information. The electronic controller also charges the one or more battery packs based on the battery information.

To provide an energy storage device that facilitates the installation of multiple energy storage cells in appropriate locations. [Solution] The energy storage device comprises a first energy storage cell having a first electrode terminal (electrode terminal 11), a second energy storage cell having a second electrode terminal (electrode terminal 12), and a wiring board. The wiring board has a substrate 201, a first conductor member (conductor member 211a) connected to the first electrode terminal, and a second conductor member (conductor member 211b) connected to the second electrode terminal. The energy storage device further comprises a component (intermediate member 40B) located between the first energy storage cell and the second energy storage cell. A recess h4 is formed in the substrate 201. The component has a protrusion M4 that projects toward the wiring board and enters the recess h4.

A method for detecting thermal runaway of a battery pack including a battery module in a master battery management system, the method comprising detecting a communication error with a slave battery management system that detects information on the battery module, if the communication error with the slave battery management system is detected, obtaining temperature of a master board from a temperature sensor located on the master board in which the master battery management system is installed, and detecting thermal runaway of the battery pack using the temperature of the master board.

A battery such as, but not limited to, electric vehicle battery packs and cells, lithium iron phosphate batteries, lead acid batteries, gel batteries, and absorbed gel mat batteries, may include a battery management system for engine start applications. The battery may include a first power port configured to receive power from a first power source and a second power port configured to received power from a second power source, whereby the first and second power sources are different.

The application relates to the technical field of power system management, and discloses a household large-capacity energy storage system charging and discharging management method and system, which comprises the following steps: connecting multiple parallel battery modules to a power grid through an energy storage converter, wherein the battery modules comprise DC-DC bidirectional converters and at least one battery pack; in the charging and discharging process of the system, dynamically switching the running battery modules according to the SoC and SoH states of each battery module, and the switched running battery modules are all divided into the maximum power of the energy storage converter, and the dormant battery modules are closed DC-DC bidirectional converters; after the switched running battery modules are switched, the time interval of the switched running battery modules is dynamically adjusted in combination with the system efficiency, the SoC and SoH states of each battery module. The application can improve the operation efficiency and resource utilization, balance the SoC and SoH, and prolong the service life.

A battery management system (BMS) removably connectable to at least one of a battery and an accessory is described. The accessory is operable by the BMS. The BMS includes processing circuitry configured to determine a first plurality of functions associated with the BMS and a second plurality of functions associated with the accessory based on BMS information and accessory information, respectively, determine at least one operation mode based on at least one parameter associated with the battery, the first plurality of functions, and the second plurality of functions, and operate at least one of the BMS and the accessory based on the determined at least one operation mode.

Provided is a system for predicting a time of occurrence of gas emission of a battery cell including a platform portion having a sealed portion and disposed on at least one side of a pouch-type battery case and an electrode lead protruding from an end of the platform portion, the system including a storage unit for collecting data on a time of occurrence of gas emission according to a width of a remaining sealed portion; a measurement unit for periodically measuring the width of the remaining sealed portion of the battery cell to be measured; and a determination unit for predicting the time of occurrence of gas emission of the battery case to be measured by comparing the measured width of the remaining sealed portion with the collected data.

A battery management device according to an embodiment of the present disclosure includes a battery information obtaining unit configured to obtain a plurality of battery information for a plurality of battery cells, and a control unit configured to calculate a whisker for the plurality of battery information based on a standard distribution curve for a group of the plurality of battery cells, generate a box plot for the plurality of battery cells based on the plurality of battery information and the calculated whisker, and determine a state of each of the plurality of battery cells according to whether each of the plurality of battery information is included in a threshold region corresponding to the generated box plot.

Battery module assembly with a first battery module and a second battery module, each comprising one or more battery cells, a battery monitoring unit, a retaining element with a receptacle in which the battery monitoring unit is arranged, wherein the retaining element is arranged between the first battery module and the second battery module, a cabling plate supported in a form-fitting manner on the retaining element with guides for holding cables of a low-voltage cabling for the battery monitoring unit.

The present application relates to the technical field of battery thermal management, and particularly relates to a topological optimization structure cold plate of a battery non-uniform heat source, a design method and a battery pack. The specific design method is: a battery non-uniform heat source model and a two-dimensional model of a cold plate structure are established; a flow channel topological optimization is carried out with heat exchange uniformity, heat exchange efficiency and flow energy dissipation as objective functions, and a three-dimensional topological optimization flow channel model is established; a battery pack packaging model is established; CFD simulation calculation is carried out, and the weight ratio of heat exchange uniformity, heat exchange efficiency and flow energy dissipation is adjusted until the battery pack packaging model meets the preset condition, and a topological optimization cold plate structure is obtained. The present application is aimed at the model construction of a non-uniform heat source of a fixed object of a battery; a method of topological optimization structure design is used for the design of a battery pack cold plate to constrain the maximum temperature rise and temperature difference; and the problem of inconsistency of battery temperature existing in the existing cold plate design method and certain error existing in the actual application process is solved.

A battery pack capable of coping with a plurality of chargers having different rates is provided. The battery pack includes a mounting portion, a battery, a voltage detection portion, a current acquisition portion, a next current calculation portion, a first charge stop portion, and a second charge stop portion. With respect to the first charge stop portion, in a case where a charge current value acquired by the current acquisition portion is equal to or higher than a completion current value, charging of the battery is stopped based on satisfaction of a first condition. The first condition is that a voltage value detected by the voltage detection portion is equal to or higher than a completion voltage value, and a next current value calculated by the next current calculation portion is lower than the completion current value. With respect to the second charge stop portion, in a case where the charge current value acquired by the current acquisition portion is lower than the completion current value, charging of the battery is stopped based on satisfaction of a second condition different from the first condition.

A serial connection apparatus includes a connector group including first to mth connector modules, each of which includes a first connector and a second connector, and a wire bundle. The first connector of the first connector module is connected to a first power terminal of a charge / discharge unit. The second connector of the mth connector module is connected to a second power terminal of the charge / discharge unit. The second connector of a jth connector module (j is a natural number less than m) is connected to the first connector of a (j+1)th connector module via the wire bundle. When an ith cell slot (i is a natural number of m or less) is empty, the first connector of an ith connector module is electrically connected to the second connector of the ith connector module via the wire bundle.

A method, system, node and device are disclosed. A collector device configured to communicate with a vehicle system, a health node and at least one sensor is described. The collector device includes a communication interface configured to receive at least one measurement from the at least one sensor; and transmit battery data using at least one of a first communication link and a second communication link. The collector device further includes processing circuitry configured to determine the battery data based at least in part on the received at least one measurement; and determine at least one of the first communication link and the second communication link for transmitting the battery data to the health node. The at least one of the first and second communication links is determined based at least in part on a usability of the second communication link to transmit the battery data.

A battery pack according to embodiments disclosed herein may include: a plurality of battery cells; a first material located between the plurality of battery cells; a piezoelectric sensor adjacent to the first material; a temperature sensor configured to detect the temperature of the plurality of battery cells; and a battery management device configured to determine an anomaly of the plurality of battery cells, an anomaly of the piezoelectric sensor, and an anomaly of the temperature sensor based on information received from the piezoelectric sensor and the temperature of the plurality of battery cells.

A propulsion system (20) for an aircraft (1000) includes a battery (64), an electrical distribution system (66), a ground-based charger, and a battery management system (68). The battery includes a plurality of battery strings (72) each including a plurality of battery cells (76). The electrical distribution system includes a battery string switch assembly (98) operable to electrically interconnect each of the plurality of battery strings together in parallel. The ground-based charger includes a charger controller (132) including a simple electronic hardware (SEH) system. The battery management system includes a battery management system (BMS) controller (108) connected in signal communication with the SEH system. The BMS controller is configured to determine a battery charging profile specific to the battery and charge the battery by controlling the ground-based charger, through the SEH system, to supply electrical power to the electrical distribution system at a set voltage and a set current defined by the battery charging profile.

The present invention relates to a battery interconnection system for an aerosol-generating device allowing removal and replacement of a battery, the battery interconnection system comprising a battery having a housing and a battery cell, and a printed circuit board. The battery comprises a first electrical interconnector provided at the housing of the battery. The printed circuit board comprises a flexible circuit having a second electrical interconnector provided at the flexible circuit, wherein the first interconnector and the second interconnector are configured for removable interconnection.

A battery pack interconnect assembly (50) for electrically connecting cell terminals (24, 26) of battery cells (20) in a battery pack (10) includes a bus bar interconnect (100) having bus bars (200) arranged in rows (204) and columns (206). The battery pack interconnect assembly includes a sensing assembly (500) coupled to the bus bar for sensing at least one parameter of the bus bar. The sensing assembly includes a control assembly (400) and a sensing harness (300) coupled to the control assembly, the sensing harness having a sensing cable (350) with a sensing conductor (360) coupled to the bus bar at a sensing point. The control assembly includes a control circuit board (410) and a control module (450) coupled to control circuitry of the control circuit board. Each control module includes a module terminal (480) coupled between a control circuit and a respective sensing conductor.

Systems and methods for a battery architecture include a first fuse connected between a first battery cell and a second battery cell of a battery pack, and a second fuse connected between the second battery cell and a terminal of a charge port.

A propulsion system (20) for an aircraft includes a battery, an electrical distribution system (66), and a ground-based charger (86). The battery (64) includes a plurality of battery strings (72). Each of the plurality of battery strings (72) includes a plurality of battery cells (76). The electrical distribution system (66) includes a battery string switch assembly (98). The battery string switch assembly (98) is operable to electrically interconnect each of the plurality of battery strings (72) together in parallel. The ground-based charger (86) is electrically connected to the electrical distribution system (66). The ground-based charger (86) includes a charger controller (132). The charger controller (132) is configured to determine a battery charging profile (138) specific to the battery (64) and charge the battery (64) by supplying electrical power to the electrical distribution system (66) at a set voltage and a set current defined by the battery charging profile (138).

A mower includes: a battery compartment for mounting at least one battery pack; a cutting assembly including a cutting motor; a traveling assembly including a traveling motor; a battery management unit at least used for monitoring the discharge capacity of the battery pack; and a control device electrically connected to the cutting motor, the traveling motor, and the battery management unit. The battery management unit is configured to determine the current discharge capacity parameters of the battery pack in at least two manners and output the minimum parameter among the determined current discharge capacity parameters of the battery pack. The control device is configured to acquire the current discharge capacity parameter of the battery pack outputted by the battery management unit and according to the outputted current discharge capacity parameter of the battery pack, determine control information adapted to the cutting motor and the traveling motor.

A battery cell state management system according to one or more examples may include an information obtaining unit configured to obtain information about an injected electrolyte amount of a battery cell and a controller configured to calculate a remaining electrolyte amount of the battery cell based on a discharged electrolyte amount of the battery cell according to at least any one process of a manufacturing process of the battery cell and the injected electrolyte amount. In one or more aspects, the battery cell state management system may collect data required for calculating the remaining electrolyte amount in conjunction with a battery cell assembly system performing a manufacturing process and may accurately calculate the remaining electrolyte amount inside a process-completed battery cell based on the collected data.

Each of controllers provided in electricity storage units connected in parallel to one another is configured to acquire a discharge voltage of an electricity storage pack provided in another electricity storage unit from another controller by communication, and adaptively control an output of a DC / DC converter provided in an electricity storage unit including the controller such that discharge voltages of electricity storage packs provided in the electricity storage units approach one another.

An apparatus of the subject technology comprises a battery pack configured to provide power for an electrical vehicle (EV), and a motor powered by a fuel supplied by a fuel tank and configured to provide mechanical power for one or more electrical machines. The one or more electrical machines are configured to generate a direct current (DC) voltage for keeping the battery pack fully charged, and the battery pack, the motor and the one or more electrical machines are enclosed in a battery-system enclosure.

A beam structure comprises: a mounting member, which is provided with a first mounting position where a high-voltage control element is mounted; and an expansion beam, which is provided with a second mounting position where the high-voltage control element and a connecting terminal of a battery cell group are mounted, at least part of the expansion beam being connected to the mounting member into one piece.

A temperature measuring apparatus for measuring a temperature of a battery pack is provided. A first resistor is connected between a first power supply and a first node, and a second resistor is connected between a second node and a second power supply. A temperature-variable resistive element whose resistance is varied depending on a temperature is connected to between the first node and the second node. A processor measures the temperature of the battery pack based on at least one of a first temperature measured based on a voltage of the first node and a second temperature measured based on a voltage of the second node.

A battery pack for use in a spacecraft is provided. The battery pack includes one or more cells and an enclosure operable to receive the one or more cells therein. The one or more cells have a cathode material that includes lithium, iron, and phosphate. The enclosure is constructed at least partially of aluminum and is operable to provide radiation shielding.

It properly protects the battery, which is an all-solid-state lithium-ion battery. [Solution] The vehicle 1 (all-solid-state battery system) comprises a battery 21 which is an all-solid-state lithium-ion battery, a voltage sensor 221, a current sensor 222, a temperature sensor 223, a PCU 31 configured to charge and discharge the battery 21, and an ECU 4 which controls the PCU 31. The ECU 4 calculates the internal resistance of the battery 21 based on first information including the temperature and state of charge of the battery 21, calculates the diffusion resistance of the battery based on second information including the integrated discharge current of the battery 21, corrects the internal resistance by adding the diffusion resistance to the internal resistance, estimates the voltage of the battery 21 from the present to a specified time later based on the corrected internal resistance, the current voltage of the battery 21, and the current current of the battery 21, and controls the PCU 31 so that the estimated voltage does not fall below the lower limit voltage.

A power control device includes a housing formed of a non-conductive material and having an accommodating space, an inverter module located in the accommodating space, and a pressure adjustment cover coupled to the housing and separating the accommodating space from an external space, wherein the pressure adjustment cover includes an upper cover, a lower cover coupled to the upper cover, and a pressure adjustment member located between the upper cover and the lower cover, and a first elastic modulus of the lower cover is greater than a second elastic modulus of the pressure adjustment member.