Abstract: Disclosed is a lead acid battery having a negative electrode plate and a positive electrode plate, each plate formed of a lead-antimony grid coated with an active material. A separator is disposed between the first and second electrode plate faces and an electrolyte solution immersing the negative electrode plate, the positive electrode plate the separator. At least one of the lead-antimony electrode grids, the separator or the electrolyte solution contains TiO2, an amount sufficient to suppress the migration of antimony from the positive electrode plate to the negative electrode plate.

Abstract: This disclosure relates to compositions and methods for improving the performance of batteries, such as lead-acid batteries, including reviving or rejuvenating a partially or totally dead battery, by adding an amount of nonionic, ground state metal nanoparticles to the electrolyte of the battery, and optionally recharging the battery by applying a voltage. The metal nanoparticles may be gold and coral-shaped and are added to provide a concentration within the electrolyte of 100 ppb to 2 ppm or more (e.g., up to 5 ppm, 10 ppm, 25 ppm, 50 ppm, or 100 ppm). The metal nanoparticles may be added to battery electrode paste applied to the electrodes to enhance newly manufactured or remanufactured batteries.

Abstract: Systems and methods for water soluble weak acidic resins as carbon precursors for silicon-dominant anodes may include an electrode coating layer on a current collector, where the electrode coating layer is formed from silicon and a primary resin carbon precursor; wherein the primary resin carbon precursor comprises a water-soluble acidic polyamide imide functionalized with acidic groups and one or more polymeric stabilizing additives. The electrode coating layer may also include a base and/or a surfactant. The electrode coating layer may be more than 70% silicon.

Abstract: A battery pack including a battery pack housing, and a battery module disposed in the battery pack housing, Tire pack housing is sealed and flooded with a dielectric fluid. The battery module includes a module housing that is fluid permeable and includes a fluid passageway, and electrochemical cells disposed in the module housing in such a way that terminals of the cells are exposed to fluid disposed in the fluid passageway. The battery pack includes a thermal management system having an inlet plenum assembly disposed at a first end of the battery module, an outlet plenum assembly disposed at a second end of the battery module, and a fluid pump that directs fluid to the inlet plenum assembly via a fluid delivery line and receives fluid from the outlet plenum assembly via a fluid return line.

Abstract: Battery systems according to embodiments of the present technology may include a battery cell having an electrode tab extending from an edge of the battery cell. The systems may also include a module electrically coupled with the battery cell. The module may be characterized by a first surface, a height, and a second surface opposite the first surface. A conductive tab coupled along the first surface of the module may extend from a first end parallel to a plane of the first surface. The conductive tab may be characterized by a curvature proximate a midpoint of the conductive tab. A distal region of the conductive tab may return back across the first surface of the module substantially parallel to the first surface. A distal portion of the electrode tab may be fixedly coupled with the distal region of the conductive tab.

Abstract: In one aspect, computer-implemented method may include receiving, at a cloud-based computing system, a set of measurements over a certain period of time. The set of measurements are received from a set of vehicles and pertain to voltages and temperatures of a set of battery packs associated with the set of vehicles. The method may include training, using the set of measurements, one or more machine learning models to predict a battery pack fault condition. The one or more machine learning models include a set of parameters that are modified during the training. The method may include transmitting the set of parameters to the set of vehicles to enable the set of vehicles to update, based on the set of parameters, one or more respective in-vehicle machine learning models configured to predict the battery pack fault condition.

Abstract: A battery balancing apparatus according to an embodiment of the present disclosure includes a first selection unit to selectively connect each of a plurality of batteries included in a first battery group between a first node and a second node, a resistance adjustment unit to connect a first resistor, a second resistor, a series circuit of the first and second resistors or a parallel circuit of the first and second resistors between the first node and the second node, and a control unit. The control unit determines at least one of the batteries as a first balancing target based on a first voltage signal indicating voltage of each battery. The first selection unit connects the first balancing target between the first node and the second node. The control unit controls the resistance adjustment unit based on a voltage difference between voltage of the first balancing target and a reference voltage.

Abstract: An electric vehicle battery cold plate assembly comprising a top plate having a lower major surface with at least one patterned open-faced cooling channel formed therein and intermediate land area, a bottom plate or battery tray, and one or a combination of (a) a continuous or mostly continuous layer or sheet of organic bonding agent/adhesive disposed so as to cover and bond together at least most or all of an upper major surface of the bottom plate and at least most or all of the intermediate land area of the top plate, (b) strips or a pattern of organic bonding agent/adhesive disposed so as to cover and bond together at least most or all of the intermediate land area of the top plate and corresponding area on an upper major surface of the bottom plate, and (c) strips or a pattern of organic bonding agent/adhesive disposed so as to cover and bond together at least most or all of the intermediate land area of the top plate and corresponding area on the upper major surface of the battery tray.

Abstract: A battery includes a battery can including a cylindrical portion and a bottom portion, the cylindrical portion including an opening edge portion at one end portion of the cylindrical portion, the bottom portion closing the other end portion of the cylindrical portion; an electrode body housed in the cylindrical portion; a sealing member sealing an opening of the opening edge portion; and a fixing member fixing the sealing member to the battery can. The sealing member includes a terminal portion, an outer ring, and a first gasket, the outer ring being disposed along a peripheral edge of the terminal portion, and the first gasket being interposed between the opening edge portion and an external peripheral edge portion of the outer ring. The fixing member compresses the first gasket in a direction in which the external peripheral edge portion and the opening edge portion face each other, the fixing member compressing the first gasket via the external peripheral edge portion and the opening edge portion.

Abstract: A vehicle comprises a battery management system (2) including an electronical control unit (3), a battery system (6) and an electronic battery controller (4). The battery controller (4) includes an acquisition device (43) for acquiring values of at least one electrical parameter of the battery system (6) and a memory (42) storing a battery profile (44) representative of properties of the battery system (6). The electronical control unit (3) includes: —a storage space (34) including a plurality of additional battery profiles (35), —a selection interface (33) for selecting a replacement battery profile among the plurality of additional battery profiles (35). and is programmed to replace the battery profile (44) stored in the memory (42) with the replacement battery profile selected by the selection interface (33).

Abstract: A modular electrolyzer system including a power module and a generator module wherein the power module and the generator module are integrated with a hydrogen collection component and a steam delivery component, the hydrogen collection component and the steam delivery component being disposed on a structural base.

Abstract: A hybrid energy storage system with chemical/electrochemical dual technology for mobile, propulsion and stationary applications of electric power units, used to supply energy to a user, including a battery pack having a plurality of batteries and a tank containing metal hydrides arranged in thermal contact with the batteries that form said battery pack. The hydride tank includes a plurality of tanks integrated in the battery pack. The system includes a containment body in which several housings are formed for the tanks and the batteries, respectively.

Abstract: Proposed is a fuel cell power control system. A fuel cell generates electric power. A load unit is electrically connected to the fuel cell. A DC/DC converter is disposed between the fuel cell and the load unit to convert the electric power between a low side of the DC/DC converter electrically connected to the fuel cell and a high side of the DC/DC converter electrically connected to the load unit. A battery is electrically connected to the high side of the DC/DC converter to be parallel to the load unit. A controller monitors a voltage of the load unit, the battery, or the high side of the DC/DC converter, and controls the electric power input to the load unit or output from the load unit in accordance with the monitored voltage.

Abstract: A battery (10) includes a positive electrode (100) and a first insulating layer (322). The positive electrode (100) includes a current collector (110) and a first active material layer (122). The current collector (110) includes a first surface (112) and a second surface (114). The second surface (114) is opposite to the first surface (112). The first active material layer (122) is positioned over the first surface (112) of the current collector (110). The first insulating layer (322) faces the first active material layer (122) of the positive electrode (100). The first active material layer (122) contains at least one carbon. The first insulating layer (322) contains magnesium hydroxide particles. A product of an area density and a specific surface area of the magnesium hydroxide particles is equal to or greater than 0.20 times a sum of products of an area density and a specific surface area of each of the at least one carbon.

Abstract: The present invention provides an ion exchange membrane can improve the current efficiency of a redox flow battery without a drop in voltage efficiency, when used in the redox flow battery. The ion exchange membrane of the present invention is an ion exchange membrane comprising a fluorinated polymer having sulfonic acid functional groups, wherein the difference (D?Dc) between the distance D between ionic clusters and the diameter Dc of ionic clusters as measured by the small angle X-ray scattering is 0.60 nm or more, and the ion exchange capacity of the fluorinated polymer is 0.95 meq/gram dry resin or more.

Abstract: This application relates to a battery module and a battery pack. The battery module includes: a plurality of battery cells, configured to be connected in series, where after the battery module fails, the plurality of battery cells include a failed battery cell and at least one non-failed battery cell adjacent to the failed battery cell; and a first connecting piece, configured to connect the failed battery cell to the at least one non-failed battery cell, where the first connecting piece includes a first connecting portion and a conductive portion connected to the first connecting portion, the first connecting portion is configured to be electrically connected to an enclosure of the failed battery cell, and the conductive portion is configured to be electrically connected to the at least one non-failed battery cell, so as to restore the battery module to work.

Abstract: An additive, an electrolyte for a rechargeable lithium battery, and a rechargeable lithium battery, the additive being represented by Chemical Formula 1:

Abstract: An energy storage device cooling system includes a housing, at least one energy storage device within the housing, and a coolant circuit including a first flow portion extending through the housing, the coolant circuit configured to supply coolant for heat exchange with the at least one energy storage device. The energy storage device cooling system also includes a chiller system including: a coolant supply, a heat exchanger, and an outlet in fluid communication with the first flow portion. The energy storage device cooling system also includes a controller configured to alter a function of the chiller system when a sensed temperature does not exceed a first temperature threshold.

Abstract: A method is disclosed for the thermal conditioning of an electrochemical accumulator of a vehicle, wherein data are received and/or ascertained, and the data comprise a planned or expected parking duration, ambient data of the vehicle, thermal properties of the electrochemical accumulator, the received and/or ascertained data are evaluated, and based on the evaluated data steps are taken for the thermal conditioning of the electrochemical accumulator by the control unit prior to a parking of the vehicle, during a parking of the vehicle, or after a parking of the vehicle, wherein the steps for the thermal conditioning of the electrochemical accumulator remove or add thermal energy directly or indirectly to or from the electrochemical accumulator by a battery cooling circuit and/or a main cooling circuit of the vehicle.

Abstract: The invention relates to an assembly comprising a plurality of cells (10) of an electric vehicle battery (1) between which a first passage (17) may receive fluid via a first supply (27). On another side (11b) of the cells, a second passage (19) may receive fluid via a second supply (29). Around the cells, a peripheral passage (21) may also receive fluid via another supply (25). The second passage (19) and/or the peripheral passage (21) is interposed between a thermal insulator (33) and two successive cells. Flow control means (47) provide a thermal exchange fluid flow through at least one of the first, second and additional fluid supplies during a first time period and through at least two of the first, second and additional fluid supplies during a second time period.