75664results about "Cell component details" patented technology

The preferred embodiments disclose a hangar comprising a gantry robot which includes a lifting tool. The gantry robot is provided for lifting and lowering batteries to replace them, for example, in a drone disposed in the hangar.

A battery pack includes a battery housing; a battery module disposed in the battery housing, where the battery module includes multiple battery cells, and at least one of the battery cells is a solid-state battery; and a control circuit disposed in the battery housing and configured to use the battery module to supply the electric power to the power tool. The energy W of the battery pack and the volume V1 of the battery pack satisfy the following: when the energy W is greater than or equal to 200 Wh, the volume V1 is less than or equal to 400 cm3; or when the energy W is greater than or equal to 300 Wh, the volume V1 is less than or equal to 800 cm3; or when the energy W is greater than or equal to 700 Wh, the volume V1 is less than or equal to 2500 cm3.

The present invention relates to a solid composite cathode material comprising a ceramic oxide electrolyte material and a lithium electrode material. It was found that the addition of lithium halide to the selected electrolyte and cathode materials strongly enhances the electrochemical performance.

Described herein is an electric aircraft comprising a battery pack to power the aircraft. The battery pack comprises a housing, an arrangement of battery cells within the housing and a crumple structure associated with the battery pack. The crumple structure is beneath the arrangement of battery cells and is adapted to compress in the event of an impact from beneath the aircraft. A venting channel is fluidically coupled to the battery cells and arranged to vent gasses away from the battery cells. The venting channel passes through the crumple structure and is adapted to deform with the crumple structure in the event of an impact from beneath the aircraft.

An energy storage floor assembly for a motor vehicle having an electric drive includes an electrical energy storage device accommodated in a storage housing and arranged on the bottom side of a vehicle floor. At least one longitudinal beam is arranged within the storage housing. The front end of the longitudinal beam, viewed in the vehicle direction, is connected at least indirectly to a crossbeam component which is arranged in the region of a front-end structure and to which a front axle carrier is also attached. A load transfer element is installed between a rearward region of the front axle carrier and the front end of the longitudinal beam, which load transfer element has a front support region on the front end thereof and a rear support region on the rear end thereof. In an event of an accident-induced backward movement of the axle carrier as a result of a collision, the axle carrier can be supported on the front support region of the load transfer element, the rear support region of which can be supported at least indirectly on the longitudinal beam.

This application relates to the technical field of battery packs, and a battery pack lower box body, a battery pack, an apparatus, and an assembly method of battery pack lower box body are provided. The battery pack lower box body includes a box frame, a base plate, a stiffening beam, and a stiffener. The base plate is arranged at the bottom of the box frame; the stiffening beam is arranged inside a space enclosed by the box frame and on top of the base plate; and the stiffening beam is fixed to the box fame via the stiffener, and the stiffener is welded to the box frame to form a weld seam, where a length of the weld seam is kept greater than a sum of side lengths of a projection of the stiffening beam onto the box frame.

A vehicle includes a chassis including a frame rail extending longitudinally, a tractive element coupled to the chassis, a cab coupled to the chassis and configured to support an operator, an electric motor configured to drive the tractive element to propel the vehicle, a battery configured to supply electrical energy to the electric motor, a heat exchanger, a cable electrically coupling the electric motor and the battery, and a conduit fluidly coupling the battery and the heat exchanger. The cable and the conduit extend laterally from the battery to the frame rail, and the cable and the conduit extend longitudinally along the frame rail.

Examples relate to vehicle battery systems comprising a base unit connectable to a vehicle's electrical system, a removable modular replaceable battery, and a secondary battery within the base unit. The base unit is configured to interchangeably use modular replaceable batteries of different chemistries. Control circuits optimize charging and discharging parameters based on battery chemistries. The secondary battery provides power when the modular battery is removed. The system includes thermal management, compatibility with lead-acid charging systems, and mobile base unit functionality. The modular battery can power external devices and can foreseeably store energy up to and beyond 1 kWh. The system operates at various voltages suitable for different vehicle types.

The invention provides a concrete prefabricated energy storage cabin which comprises a cabin body and a cabin door which are made of a concrete composite material, so that the energy storage cabin has high compressive strength and high fire resistance rating, and a plurality of energy storage cabins can also be transversely arranged without spacing or stacked in the height direction, so that the occupied area is effectively reduced; an energy storage box provided with a basin-shaped box body and a cover plate is arranged in the cabin body, the cover plate covers the basin-shaped box body to form a closed energy storage cavity for accommodating a battery module, and the basin-shaped box body and the cover plate are also made of a concrete composite material, so that high temperature generated by thermal runaway of a battery in a single energy storage box can be effectively limited in the energy storage box; as the oxygen content in the energy storage box is relatively low, the flame can be automatically extinguished after the battery with relatively light thermal runaway degree is on fire; and for a battery fire with a heavy thermal runaway degree, a long time can be provided for fire fighting and extinguishment, and flames can be extinguished in time in the energy storage box.

An energy storage device (100), an energy storage system (2000), and a charging network (1000). The energy storage device (100) comprises a control module (30), a plurality of compartment bodies (10), and a plurality of energy units (2). The plurality of compartment bodies (10) are arranged in a first direction of the compartment bodies (10). The plurality of energy units (2) are accommodated in at least one compartment body (10). The control module (30) is used for electrically controlling the plurality of energy units (2). The size of at least one compartment body (10) among the plurality of compartment bodies (10) in the first direction is smaller than the size of one standard container in the first direction, the sum of the sizes of the plurality of compartment bodies (10) in the first direction is larger than the sum of the sizes of one or more standard containers in the first direction, and the first direction is the length direction, the width direction or the height direction of the compartment bodies (10).

The embodiment of the utility model provides a container, an energy storage device, an energy storage system and a charging network. The energy storage device comprises a container, a control module and a heat management module. The number of the containers is m, m is larger than or equal to 2, and the m containers are arranged in the first direction of the containers. In the first direction, the size of the container is smaller than that of a standard container. The container comprises a container body and a plurality of single batteries, and the plurality of single batteries are accommodated in the container body. And the control module is arranged in the box body and is used for electrically controlling the plurality of single batteries in the m containers. And the heat management module is arranged in the box body and is used for managing the temperature of the plurality of single batteries of the m containers. According to the energy storage device provided by the embodiment of the invention, the convenience in the transportation process of the container is improved, the transportation cost of the container and the energy storage device using the container is reduced, the space in the container can be fully utilized, the integration degree is high, and the assembly efficiency is improved.

A floor structure for a body of a vehicle includes two side sills spaced apart from each other in a transverse direction of the vehicle. A main floor element is disposed between the two side sills. An energy store is disposed under the main floor element. A crossmember element is disposed on an upper side of the main floor element and extends in the transverse direction of the vehicle between the two side sills. A hollow cross section of the crossmember element is delimited upwardly in the vertical direction of the vehicle by an upper flange of the crossmember element and is supplemented by the main floor element to form a closed hollow cross section. A reinforcement element is attached to the main floor element via a first attachment region and is attached to the upper flange via a second attachment region and a third attachment region.

The invention provides a battery monomer, a battery device and a power utilization device. The battery monomer comprises a positive pole piece, an isolating membrane, a negative pole piece and electrolyte, and the positive pole piece, the isolating membrane and the negative pole piece are arranged in a laminated manner; the positive pole piece comprises a positive current collector and a positive active layer arranged on at least one side of the positive current collector, the negative pole piece comprises a negative current collector and a negative active layer arranged on at least one side of the negative current collector, and the positive active layer comprises lithium iron phosphate primary particles; the isolating membrane comprises a base membrane and a bonding layer, the bonding layer is of a porous continuous structure, and the bonding layer is at least arranged on one side, facing the positive electrode active layer, of the base membrane; the electrolyte comprises a first solvent, and the first solvent comprises one or more of dimethyl carbonate and linear carboxylic ester. The battery monomer has relatively good cycle performance.

An energy management system can comprise a housing configured to receive energy storage assemblies within an interior region of the housing via one or more openings on a surface of the housing. One or more guide tracks positioned within the interior region can mechanically and electrically couple to the energy storage assemblies. One or more switches can electrically couple the energy storage assemblies in series to increase a voltage provided from energy storage assemblies to an electrical load and can electrically couple the energy storage assemblies in parallel to facilitate charging the energy storage assemblies from an energy source.

Provided are electrochemical cells with at least a portion of the exterior surface coated in an aversive coating to deter children from eating the electrochemical cell. Described are compositions and methods for improving the adhesion of the aversive coating to the surface of the electrochemical cell.

A separator for an electrochemical cell having a porous layer with a blend of a first type of boehmite particles and a second type of boehmite particles and an organic polymer binder, where the first type of boehmite particles is different from the second type of boehmite particles with respect to crystallite particle size and / or composition, and the blend ranges from about 50%-50% by weight of the first and second types of boehmite particles to about 60%-40% by weight of the first and second types of boehmite particles. The separator does not include a polymer separator layer; has a shrinkage of less than 1% when heated at 220° C. for 1 hour; and swells by less than 5% when soaked in propylene carbonate for 1 hour.

The invention discloses a battery pack health state prediction method and device, and the method comprises the steps: building a battery pack three-dimensional matrix based on collected historical data of a plurality of cells in a battery pack, carrying out the sliding window processing of the battery pack three-dimensional matrix, and generating model input data; determining a battery pack health state prediction model, wherein the battery pack health state prediction model comprises an SE-TCN network, a Performer encoder and a space-time fusion layer; and inputting the model input data into the battery pack health state prediction model to obtain a health state prediction value of the battery pack. According to the method, the time dependency characteristics of the time sequence data of the plurality of battery cells in the battery pack and the global dependency relationship among the battery cells are respectively captured, and the time sequence characteristics and the space correlation characteristics are fused, so that the model can capture the complex interaction relationship among the plurality of battery cells; and the accuracy and robustness of battery pack health state prediction are greatly improved.

Impact-protection systems, devices, and components, as well as methods of manufacturing, integrating, and using the same, e.g., in connection with different vehicles including electric vehicles. The impact-protection systems described herein can be configured to be attached on the lateral sides of a vehicle and / or under or at least partially under a chassis frame of a vehicle to cover, enclose, and / or protect vehicle structures mounted in these areas. The impact-protection systems can include multiple configurations, e.g., being formed using brackets, panels, compartmented structures, fairings, and / or layers of different materials. The components of the impact-protection systems can be produced, assembled, and installed using efficient and cost-effective manufacturing and assembly methods. The impact-protection configurations described herein help reduce the concentration of impact-forces.

Provided in the present application are an energy storage apparatus, an energy storage system and a charging network. The described energy storage apparatus comprises an energy storage container and a power conversion device. The energy storage container comprises a container body and a plurality of battery modules, each battery module comprising a plurality of battery cells. The power conversion device is used for electrically connecting the battery cells and a power grid. The battery cells and the power conversion device are all contained in the container body, and in a first direction, the size of the container body is smaller than that of a standard container. The size of the container body of the energy storage apparatus in the first direction is smaller than the size of a standard container in the first direction, thus helping to improve the convenience during transportation of the energy storage container, and reducing the transportation cost of the energy storage container, thereby effectively lowering the use cost of an energy storage system using the described energy storage apparatus. The power conversion device being contained in the container body effectively improves the area energy density of the energy storage system, thus effectively improving the performance of the energy storage system.

Provided in the present application are an energy storage apparatus, an energy storage system, and a charging network. The energy storage apparatus comprises an energy storage container, wherein the energy storage container comprises a case and a plurality of battery modules accommodated in the case, each battery module comprising a plurality of battery cells. In a first direction and a second direction, the dimensions of the case are smaller than those of a standard container, the first direction and the second direction not being parallel to each other. In the energy storage apparatus provided in the present application, the dimension of the case in the first direction is smaller than the dimension of the standard container in the first direction, and the dimension of the case in the second direction is smaller than the dimension of the standard container in the second direction, such that during transportation, the energy storage container does not exceed the corresponding dimensions of standard containers for ocean or land transportation in the first direction and the second direction, facilitating improvement to the convenience of transportation of the energy storage container, and reducing the transportation cost of the energy storage container, thereby effectively reducing the use cost of the energy storage apparatus.

Provided is an energy storage container. The energy storage container comprises a container body (1); in three directions, i.e., a first direction, a second direction, and an up-down direction, the sizes of the container body (1) in two directions among the three directions are the same as the size of a standard container having a preset size, and the size of the container body (1) in the remaining direction is smaller than the size of the standard container having the preset size, wherein the preset size is 10 chi, 20 chi, 30 chi, 40 chi or 45 chi, and the first direction, the second direction, and the up-down direction are perpendicular to each other. Under the condition that the size of the container body (1) is not greatly changed, the weight of the container body (1) can be reduced, and the energy storage container can be matched with conventional transportation apparatuses, thereby satisfying the transportation requirements of land transportation and / or ocean shipping, etc.

One example provides a chassis for an electric snowmobile including a battery pack. The battery pack includes a battery pack housing defining an enclosure for housing a number of battery modules for powering an electric motor of the electric snowmobile, the battery pack housing having a length extending in a longitudinal direction of the snowmobile, the battery pack housing including a bottom surface. A pair of opposing side panels extends downwardly from and along at least a portion of the length of the battery pack housing, the opposing panels and at least portions of the bottom surface of the battery pack housing together forming a rear structure extending in the longitudinal direction of the electric snowmobile.

The invention relates to a battery monomer, a battery device and a power utilization device, the battery monomer comprises an electrode assembly and an electrolyte, and the electrode assembly comprises a positive pole piece and a negative pole piece; the positive pole piece comprises lithium-containing phosphate with an olivine structure; the negative pole piece comprises graphite particles; the electrolyte comprises a carboxylic ester solvent and a first additive, the thickness of the single-side negative electrode film layer is 50 microns to 75 microns, and the volume average particle size of the graphite particles is 8.5 microns to 13.5 microns; based on the mass of the electrolyte, the mass content of the carboxylic ester solvent is 8%-60%, the total mass content of the first additive is 3%-10%, the first additive comprises 1, 3-propane sultone with the mass content larger than or equal to 0, an ethylene carbonate derivative with the mass content larger than or equal to 0 and vinylene carbonate with the mass content larger than or equal to 3%, and the ethylene carbonate derivative comprises a compound shown in the formula A. According to the invention, the rapid charging performance and the cycle performance of the battery monomer under high energy density can be improved. # imgabs0 # formula A

An energy storage container. The energy storage container comprises a container body (1) and at least two batteries (2); the container body (1) comprises a frame (11) and a shielding plate (12); the frame (11) comprises a bearing frame (111) and a diagonal bracing beam (112), wherein the bearing frame (111) is formed with an accommodating space (111a), the shielding plate (12) covers an outer surface of the bearing frame (111), and the diagonal bracing beam (112) is arranged at the bottom of the bearing frame (111) and extends in a first direction in a plane perpendicular to a vertical direction; the length direction of the container body (1), the width direction of the container body (1) and the vertical direction are perpendicular to each other, and the length direction and the width direction are both obliquely intersected with the first direction; and the at least two batteries (2) are arranged in the accommodating space (111a). The diagonal bracing beam (112) extends in the first direction in the plane perpendicular to the vertical direction, such that the accommodating space (111a) is large enough to arrange therein as many batteries as possible; and the diagonal bracing beam (112) can bear a load and enhance the bottom stability of the bearing frame (111), such that the structural strength of the bearing frame (111) is effectively improved, thereby improving the structural strength of the container body (1), and reducing the probability of deformation of the bottom of the container body (1) due to stress.

A foldable solar panel including at least two solar modules mounted to a substrate. The foldable solar panel includes hook and loop tape to secure the foldable solar panel in the folded configuration. The foldable solar panel includes at least two straps and at least two horizontal rows of webbing operable to attach the foldable solar panel to a load-bearing platform.

The invention provides a diaphragm, a battery comprising the diaphragm, an energy storage device and electric equipment, the diaphragm comprises a base membrane and a point coating glue layer, the point coating glue layer is arranged on at least one side surface of the base membrane, the point coating glue layer comprises a plurality of glue points distributed in a dot matrix shape, the glue points have a first annular structure, and the first annular structure is arranged on the surface of at least one side of the base membrane. The distance between the outer edge of the first annular structure and the center of the glue point is R1, the distance between the inner edge of the first annular structure and the center of the glue point is R2, and 1-R2 / R1 is larger than or equal to 0.15 and smaller than or equal to 0.35; the point coating adhesive layer comprises a polymer binder and an auxiliary agent, and the auxiliary agent comprises at least one of a water-soluble coupling agent and a phosphate auxiliary agent.

A container system includes a container, and a suppression system. The container defines an inner volume, and battery cells positioned within the inner volume. The suppression system is configured to discharge suppressant agent into the inner volume of the container. The suppression system is configured to discharge the suppressant agent into the inner volume of the container at a variable rate in order to provide initial fire suppression, and continuous subsequent cooling of the plurality of battery cells.

The invention relates to the technical field of batteries, and discloses a single battery and a battery pack, the single battery comprises a shell, a first cover plate, a battery cell and a first pole, along a first direction, one end of the shell is provided with a first opening, the battery cell is arranged in the shell, a first tab of the battery cell extends out from one end part of a battery cell body of the battery cell, and a second tab of the battery cell extends out from the other end part of the battery cell body; the first electrode lug is bent towards the first cover plate and forms a first bending point and a second bending point, the first electrode column and the first electrode lug are welded to form a first welding printing area, the first welding printing area is located between the second bending point and the end part of the first electrode lug, the length of the first electrode lug between the first bending point and the second bending point is L, in a second direction perpendicular to the first direction, a first spacing distance between the edge of the first welding printing area and the edge of the first cover plate is d, in the first direction, a second spacing distance between the inner side of the first cover plate and the root of the first tab is c, and L is larger than or equal to 0.6 mm and smaller than or equal to 20 mm. And the risks of tab tearing and battery monomer short circuit are reduced.

Embodiments herein relate to a battery support structure for an electric vehicle, assemblies with the same, and methods of manufacturing, integrating, and using the same, among other things. In embodiments, a support structure for use on an electric vehicle includes a pair of frame rails and a battery case with a bottom coupled to the frame rails. The battery case is coupled to the frame rails at a location below the frame rails, e.g., with resilient bushings held between the battery case and the frame rails by brackets extending below the frame rails, and away from the battery case.