14results about "Several cell simultaneous arrangements" patented technology

The battery pack comprises at least two battery modules and a wire harness for electrically connecting the plurality of battery modules, the battery pack further comprises a battery management unit, and the at least two battery modules comprise a first battery module directly and electrically connected with the battery management unit. Each battery module comprises an integrated busbar and a battery cell, the first battery module comprises a first circuit board, the first circuit board at least comprises a first circuit layer and a second circuit layer, the first circuit layer is used for transmitting a signal of the first battery module to the battery management unit, and the second circuit layer is electrically connected with other battery modules adjacent to the first battery module; signals of other battery modules are transmitted to the battery management unit through the second circuit layer. The first battery module of the battery pack is provided with at least two circuit layers, so that the battery pack transmits signals from the battery module at the farthest signal transmission distance from the battery management unit to the battery module closer to the signal transmission distance from the battery management unit in sequence, the length of a wire harness is reduced, and the wiring mode is optimized.

The invention provides a battery pack assembly and an electric device. The battery pack assembly comprises a battery holder mounted on a device body of the electric device; the battery pack comprises a battery unit and a discharging assembly, the battery unit comprises a first discharging component, the discharging assembly comprises a second connecting piece and a second discharging component, and when the discharging assembly is located at a first position relative to the battery unit, a distance is formed between the second discharging component and the first discharging component in the first direction; and when the discharging assembly moves to a second position along the first direction relative to the battery unit, a discharging loop is formed. When the battery unit is installed on the battery holder, the discharging assembly is located at a first position relative to the battery unit, and when the battery unit is separated from the battery holder, the first connecting piece drives the second connecting piece so that the discharging assembly can move to a second position in the first direction relative to the battery unit. According to the battery pack, the requirement of self-discharging after the battery pack is used is met, and meanwhile, the electric quantity loss caused by unnecessary discharging of the battery pack is reduced.

A battery management system includes thermal batteries, sensors, a clock, a processor, and memory storing a data structure, and is configured to receive energy parameters and time data, calculate a rate of energy usage of the thermal batteries based on the received data, and execute battery commands to activate or disable selected thermal batteries. Energy usage data can be stored as individual data points over time, and battery commands can be received from an external computer. The system determines when to activate a second battery based on a predetermined threshold of estimated electrical energy of a first thermal battery. A battery management method includes receiving signals for voltage, current, temperature, and time duration, estimating electrical energy based on these parameters, and activating a second battery when the estimated energy falls below a predetermined threshold.

The present invention relates to a thermal battery with isolated output characteristics, belonging to the technical field of thermal batteries. The thermal battery of the present invention includes: a unit thermal battery, an output cable, and an isolated output structure. The activation signal of the thermal battery is input and the electric energy is output through the output cable. The designed cover plate of the unit thermal battery functions to install the isolated output structure, and there are mounting and fixing holes on the cover plate, which can be installed with threads. The isolated output structure is installed on the top of the unit thermal battery, and the isolated output structure functions to insulate heat and dissipate heat for the Schottky diode of the electronic component. The unit thermal battery, the isolated output structure, and the output cable are integrated, with a compact structure and simple and convenient use. A Schottky diode is added to the output end of the thermal battery of the present invention. By utilizing the characteristics of forward conduction and reverse cut-off of the Schottky diode, the high-voltage instantaneous induction pulse generated on the projectile is isolated from the forward output voltage of the thermal battery, improving the working reliability of the thermal battery.

For each cell in a plurality of cells from a same manufacturing run, a first and a second cell characteristic are received in order to obtain a plurality of cell characteristics. For each cell, a batch compatibility number that is associated with a number of compatible cells that that cell is compatible with is determined based at least in part on the plurality of cell characteristics. The plurality of cells is sorted according to the batch compatibility numbers to obtain a sorted list of cells. A plurality of compatible cells to include in a battery is selected from the plurality of cells, including by evaluating the plurality of cells according to the order of the sorted list of cells and beginning with the lowest batch compatibility number.

The invention relates to a battery module with a plurality of battery cells (2), in particular lithium-ion battery cells (20), which are each electrically connected in series and / or in parallel with one another, and a switching device (3) which has a first connection (31) and a second connection (32), wherein a first electrically conductive connecting element (41) connects the first connection (31) electrically to a voltage tap (5) of a terminally arranged battery cell (2, 21) and a second electrically conductive connecting element (42) connects the second connection (32) electrically to a voltage tap (6) of the battery module (1), wherein the first connecting element (41) and / or the second connecting element (42) are thermally conductively received in a receptacle (7, 71, 72) of the housing (10) of the battery module (1).

A power management unit architecture including a set of batteries connected to a load via a bus; a controller in operative communication with the batteries; a telemetry unit in operative communication with the controller and the batteries; at least one power switch in operative communication with the controller, the batteries and the bus; a squib unit operatively connected to the batteries; wherein the controller is configured to pull a battery current from a first battery and drive the first battery current into a second battery responsive to a predetermined current.

A cylindrical lithium primary battery pretreatment method and device, comprising: placing a lithium primary battery that has not been sealed after liquid injection in a vacuum environment capable of discharging, adjusting the temperature and vacuum degree of the vacuum environment, and allowing the lithium primary battery pole piece to be fully soaked with electrolyte; discharging the soaked lithium primary battery, and discharging the gas generated in the lithium primary battery by adjusting the temperature and vacuum degree of the vacuum environment; after discharging is completed, filling nitrogen or argon into the vacuum environment to restore normal pressure; repeating the above steps at least once; recycling the electrolyte overflowing from the lithium primary battery, and taking the lithium primary battery out of the vacuum environment to complete the sealing of the battery. The application prevents the gas from further reacting with the electrolyte or the electrode, reduces the internal resistance of the battery, and improves the electrical performance and storage performance of the battery.

The invention relates to a battery module having a plurality of battery cells (2), in particular lithium-ion battery cells (20), which are each electrically connected to one another in series and / or in parallel, and having a switching device (3) having a first terminal (31) and a second terminal (32), wherein an electrically conductive first connecting element (41) electrically connects the first terminal (31) to a voltage tapping (5) of an end battery cell (2, 21) arranged at an end, and an electrically conductive second connecting element (42) electrically connects the second terminal (32) to a voltage tapping (6) of the battery module (1), wherein the first connecting element (41) and / or the second connecting element (42) is / are thermally accommodated in an accommodation (7, 71, 72) of a housing (10) of the battery module (1).

For each of the plurality of batteries, a first battery characteristic and a second battery characteristic are received so as to obtain a plurality of battery characteristics. For each of the plurality of batteries, a batch compatibility number associated with a plurality of compatible batteries that are compatible with that battery is determined based at least in part on the plurality of battery characteristics. The plurality of batteries are collated according to the batch compatibility numbers so as to obtain a collated list of batteries. A list of compatible batteries to be included in the battery pack is generated, which includes by evaluating the plurality of batteries according to an order specified by the collated list of batteries and starting with the battery having the lowest batch compatibility number.

The present invention discloses a control circuit for a laminated energy storage cell based on a bipolar current collecting plate, wherein the laminated energy storage cell comprises at least two energy storage units stacked together, wherein the energy storage unit comprises a first electrode and a second electrode, wherein the first electrode and the second electrode of two adjacent energy storage units are arranged adjacent to each other, and a bipolar current collecting plate that is electronically conductive and ionically isolated is provided between the adjacent first and second electrodes; a connecting bypass is provided between the first electrode and the second electrode belonging to the same energy storage unit, and a variable resistor and a bypass switch are provided on the connecting bypass. The present invention also proposes a control method for a laminated energy storage cell based on a bipolar current collecting plate. The laminated energy storage cell control circuit and control method based on the bipolar current collecting plate of the present invention can protect the energy storage unit when it fails, and disconnect the energy storage unit when it loses control, thereby ensuring that the other energy storage units of the laminated energy storage cell can continue to be used normally.

The present application relates to the technical fields of fuel cell power generation and maintenance, and particularly relates to a kind of fuel cell hot air cleaning maintenance system, including working pump, electrolyte tank, fuel cell reaction electric pile, tee joint, one-way control valve and cleaning maintenance device;Tee joint includes first joint, second joint and third joint, and first joint and second joint are arranged on the pipeline between working pump and fuel cell reaction electric pile;Third joint is connected with one-way control valve;One-way control valve is connected with cleaning maintenance device by pipeline;Cleaning maintenance device includes controller, temperature sensor, heating module and wind power control unit;Controller is electrically connected with temperature sensor, heating module, wind power control unit and one-way control valve respectively.This scheme can solve the problem that additional auxiliary pipeline is needed to realize the maintenance and cleaning function of fuel cell in the prior art, reduce the difficulty of cleaning and maintenance, and improve the efficiency of cleaning and maintenance.

A power management unit architecture including a set of batteries connected to a load via a bus; a controller in operative communication with the batteries; a telemetry unit in operative communication with the controller and the batteries; at least one power switch in operative communication with the controller, the batteries and the bus; a squib unit operatively connected to the batteries; wherein the controller is configured to pull a battery current from a first battery and drive the first battery current into a second battery responsive to a predetermined current.

For each cell in a plurality of cells from a same manufacturing run, a first and a second cell characteristic are received in order to obtain a plurality of cell characteristics. For each cell, a batch compatibility number that is associated with a number of compatible cells that that cell is compatible with is determined based at least in part on the plurality of cell characteristics. The plurality of cells is sorted according to the batch compatibility numbers to obtain a sorted list of cells. A plurality of compatible cells to include in a battery is selected from the plurality of cells, including by evaluating the plurality of cells according to the order of the sorted list of cells and beginning with the lowest batch compatibility number.