Abstract: A battery module includes a first set of power contacts and a first set of signal contacts. A battery pack is operable to deliver electrical power to the set of power contacts. An electronic isolation system is operable to electrically disconnect and electrically connect the battery pack and the first set of power contacts. An electronic control system is operable to obtain a comparisons between a state of charge, state of health, temperature and power of the battery module and an electrical device. A closing parameter is calculated that is based on at least one of the comparisons. The closing parameter is compared to a predefined closing parameter value to result in a connect determination. The electronic isolation system connects or disconnects the battery pack to the first set of power contacts based on a positive or a negative result respectively of the connect determination.

Abstract: This application relates to a battery comprising a positive electrode plate, a separator, and a negative electrode plate, wherein the positive electrode plate comprises a positive electrode current collector and at least two layers of positive active material coated on at least one surface of the positive electrode current collector, and wherein an underlying positive active material layer in contact with the positive electrode current collector comprises a first positive active material, a first polymer material and a first conductive material; and wherein an upper positive active material layer in contact with the underlying positive active material layer and away from the positive electrode current collector comprises a second positive active material, a second polymer material and a second conductive material, and the first polymer material comprises fluorinated polyolefin and/or chlorinated polyolefin polymer material. The battery has good safety and improved electrical properties.

Abstract: A fuel cell is an ammonia fuel cell using an ammonia-containing fuel. A catalyst used for an anode of the fuel cell is a ruthenium complex having two first ligands and one second ligand, and the first ligand is pyridine or a condensed cyclic pyridine compound with or without a substituent, and the second ligand is 2,2?-bipyridyl-6,6?-dicarboxylic acid with or without a substituent on a pyridine ring.

Abstract: A vehicle battery temperature control apparatus includes a battery temperature detector, first and second ducts, an exhaust pipe, a heat receiver, a blower fan, and a processor. The processor causes the blower fan to rotate in one of opposite directions, thereby introducing cooling air from the first duct into a battery compartment, and emitting the cooling air that has cooled a battery to the outside via the second duct, if the battery temperature is higher than a first set temperature, and causes the blower fan to rotate in the other direction, thereby introducing air raised in temperature by exchanging heat with the exhaust pipe through the heat receiver from the second duct into the battery compartment, and emitting the air that has raised the temperature of the battery to the outside via the first duct, if the battery temperature is lower than a second set temperature.

Abstract: A fuel cell stack includes a first metal separator and a second metal separator sandwiching a membrane electrode assembly. Bead seals are provided on the first and second metal separators. The bead seals protrude toward the membrane electrode assembly. A seal member is provided on a top part of each of the bead seals. In the process of producing the fuel cell stack, pressure medium is supplied to a coolant flow field formed between the first metal separator and the second metal separator. The supply pressure of the pressure medium is set to not less than the supply pressure of a coolant supplied to the coolant flow field during normal operation of the fuel cell stack.

Abstract: A battery system with cell groups arranged in modules and with plurality of modules arranged in individual battery sub-packs includes a controller network configured to monitor the sub-packs. The network includes a plurality of cell monitoring units (CMUs); each CMU connected to one module for processing data for respective cell groups. The network also includes multiple voltage sensors on each CMU, with each sensor detecting voltage across one cell group. The network additionally includes an electronic controller programmed with an algorithm and in wireless communication with each CMU. The algorithm identifies when electrical power is disconnected from the RESS and directs electrical current through a selected sub-pack after power is restored. The algorithm also interrogates voltage sensors of a particular CMU, detects a change in voltage triggered by the current, and records a cross-reference between the particular CMU and the selected sub-pack when the change in voltage is detected.

Abstract: A power system includes a battery module and a battery ECU. The battery module includes multiple battery stacks. Each of multiple battery stacks includes multiple battery cells, multiple detectors which independently detect physical values of the multiple battery cells, respectively, and multiple individual communicators which wirelessly output detection results of the multiple detectors. Each of the multiple individual communicators communicates a radio signal wirelessly to and from a general monitor. The multiple battery stacks and the general monitor are accommodated in a storage space in a housing having electromagnetic shielding performance. A shield is also accommodated in the storage space while facing a communication hole formed on the housing.

Abstract: A vehicle thermal management system includes a cabin thermal loop, a battery thermal loop, a parallel valve assembly, and a controller. The cabin thermal loop includes a first chiller in fluid communication with a vehicle cabin. The battery thermal loop includes a second chiller in fluid communication with a high-voltage battery. The parallel valve assembly selectively links the cabin and battery thermal loops and includes a three-way valve and a conduit system arranged with one another to selectively link the first chiller and the second chiller to deliver cooling capacity to the battery. The controller is programmed to, responsive to detection of an available amount of cabin thermal loop cooling capacity exceeding a detected passenger vehicle cabin cooling capacity request, output a command to the parallel valve assembly to release the excess cooling capacity from the cabin thermal loop to cool the HV battery.

Abstract: A battery, particularly for a motor vehicle, including at least two battery cells, wherein at least one circuit branch is connected to a respective positive pole and negative pole of the respective battery cell, which includes a heating unit, which can be connected in parallel to the respective battery cell by a switching element of the circuit branch; and a control device, which is configured to switch the switching elements of the respective circuit branch between an electrically conductive and an electrically blocking state in order to heat the battery cells, perform active balancing of the battery cells, and/or discharge the battery cells. The invention furthermore relates to a method for operating a battery.

Abstract: A battery pack may include a battery (60), a board (10), a first connection terminal (12), a second connection terminal (11), a control circuit (620), and a busbar (18). The first connection terminal is provided on the board and is configured to be connected to an electric work machine (500). The second connection terminal is provided on the board and is connected to the battery. The control circuit is provided on the board and is configured to control discharging of the battery. The busbar is provided on the board in a current discharge path between the first connection terminal and the second connection terminal.

Abstract: A system includes a cell support having a first opening defined therethrough. The first opening is configured to have a first battery cell positioned at least partially therein. The system also includes a first insulator positioned at least partially within the first opening and at least partially around the first battery cell. The first insulator comprises a first solid diamond-like carbon insert that fills a first gap between the first battery cell and the first opening.

Abstract: A motor vehicle traction battery module includes a rigid battery module housing having at least one battery element. The battery module housing has at least one planar and liquid-cooled housing. The liquid-cooled housing wall has at least one continuously linear coolant cooling channel and at least one continuously linear empty channel, which is parallel thereto and through which there is no liquid flowing. The liquid-cooled housing wall has a contact-making opening, by means of which exclusively the empty channel is interrupted, and wherein an electrical terminal element is arranged in the region of the contact-making opening, with electrical contact being made with at least one battery element by means of said electrical terminal element.

Abstract: A purpose of the present invention is to provide a lithium ion secondary battery which has further improved life characteristics. The lithium ion secondary battery of the present invention is characterized by comprising a positive electrode comprising a positive electrode active material that operates at 4.5 V or more with respect to lithium, and an electrolyte solution comprising an electrolyte solvent comprising a fluorinated ether, a cyclic sulfonic acid ester and LiN(FSO2)2.

Abstract: A vehicle includes an engine, an electric machine, a traction battery, and a controller. The controller, responsive to the vehicle not moving, a temperature of the traction battery being less than a temperature threshold, and a state-of-charge of the traction battery being greater than a state-of-charge threshold, rotates the engine via the electric machine powered by the traction battery while no fuel is supplied to the engine.

Abstract: A lithium secondary battery is disclosed herein. In some embodiment, a lithium secondary battery which includes a positive electrode including a positive electrode material mixture layer, wherein the positive electrode material mixture layer has a loading capacity of 3.7 mAh/cm2 to 10 mAh/cm2, a negative electrode including a negative electrode material mixture layer, a separator disposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte solution including a lithium salt, an organic solvent, and a compound represented by Formula 1, the concentration of the lithium salt in the non-aqueous electrolyte solution is 1.5 M to 3 M, the organic solvent is a mixed solvent including a cyclic carbonate-based organic solvent and a linear carbonate-based organic solvent, and the compound represented by Formula 1 is included in an amount of 0.1 wt % to 5 wt % based on a total weight of the non-aqueous electrolyte solution.

Abstract: An embodiment is directed to a contact plate configured to establish electrical bonds between battery cells in a battery module, including at least one primary conductive layer, and a set of bonding connectors that are configured to provide direct electrical bonds between the contact plate and terminals of a group of battery cells, the set of bonding connectors being configured to connect the group of battery cells in parallel with each other, wherein at least one bonding connector in the set of bonding connectors is configured with a higher fuse rating than each other bonding connector in the set of bonding connectors so as to contain arcs among the set of bonding connectors to the at least one bonding connector.

Abstract: A device for the thermal regulation of a battery comprising at least one energy storage cell, said device comprising a dielectric-fluid circuit, said circuit comprising irrigating means for wetting the surface of said cell with said dielectric fluid.

Abstract: A flat-shaped winding electrode body in which a positive electrode plate and a negative electrode plate are wound with a separator interposed therebetween includes a positive electrode tab portion and a negative electrode tab portion at one end in a direction in which a winding axis of the winding electrode body extends. Two pieces of the flat-shaped winding electrode body are housed in a prismatic outer body so that the winding axis of each piece is disposed in a direction perpendicular to a sealing plate, and the positive electrode tab portion and the negative electrode tab portion are located on one end of the winding electrode body closer to the sealing plate than the other end.

Abstract: According to one embodiment, a battery backup unit (BBU) with a louver design includes a container, a battery module having one or more battery cells, a first louver at a frontend of the container, a second louver at a backend of the container, and a control mechanism that is coupled to both the first and second louvers and is configured to open and close the louvers. Also, the battery module and the control mechanism are disposed within the container. In another embodiment, a BBU shelf with a similar louver design that includes one or more battery modules may be implemented within an electronic rack.

Abstract: The present invention relates to a battery pack to which a thin-film label can be easily attached, and a label attaching method thereof. Disclosed in one embodiment is a battery pack comprising: a battery cell having an electrode assembly accommodated in a case; and an external film, which has a label attached to at least one surface of the case and directly attached to the case, a step difference compensation tape attached to the upper surface of the label and positioned on one side of the label, and a protective film attached to the upper surface of the label and extending to the upper part of the step difference compensation tape, wherein the protective film is attached so as to be detachable from the label.