Absstract of: AU2023203287A1
HIGH-VOLTAGE COMPOSITE POSITIVE ELECTRODE MATERIAL AND MANUFACTURING METHOD THEREOF A high-voltage composite positive electrode material and manufacturing method thereof are disclosed. The high-voltage composite positive electrode material includes lithium nickel manganese oxide (LNMO) powders and lithium vanadium fluorophosphate (LVPF) powders. The LNMO powders have a first average particle diameter. A molar ratio of the LVPF powders to the LNMO powders is equal to or less than 0.5. The LVPF powders have a second average particle diameter. The second average particle diameter is less than one-tenth of the first average particle diameter, and the LVPF powders and the LNMO powders are mixed by a mechanically mixing method, so that the LVPF powders are coated on the surfaces of the LNMO powders to form the high-voltage composite positive electrode material. lithium nickel lithium vanadium manganese oxide fluoride phosphate (LNMO) powders (LVPF) powders mixing by a mechanofusion S3 method high-voltage composite positive electrode material S4 (LNMO/LVPF)
Absstract of: US2024286525A1
A system for thermal management of a battery assembly includes a protective cover in thermal communication with the battery assembly and disposed at a location that is proximate to an external surface of the battery assembly, the protective cover including at least one moveable component. The system also includes an actuator device configured to move the at least one moveable component of the protective cover to establish an insulating air gap between a portion of the protective cover and the battery system, the insulating air gap causing an increase in a thermal resistance of the protective cover.
Absstract of: US2024286527A1
A vehicle system including a fuel cell, a power storage device storing a first power generated by the fuel cell and a second power regenerated by an electric motor, a first auxiliary machine and a second auxiliary machine driven by using at least one of the first power, the second power and a third power stored in the power storage device, and a microprocessor. The microprocessor is configured to perform determining switching of a power consumption mode between a first power consumption mode where a surplus power in the second power is consumed by the first auxiliary machine and the surplus power in the first power is consumed by the second auxiliary machine and a second power consumption mode where a surplus power in the first power and the second power is consumed by the second auxiliary machine.
Absstract of: US2024291068A1
A method of cooling a rack of heat dissipating components comprises cooling air, and porting the cooled air into a volume in front of the rack from above the volume. The method further comprises moving the cooled air from the volume in front of the rack to a plenum at a rear portion of the rack to pressurize the plenum. The cooled air is moved with an air mover disposed at a bottom portion of the rack, The method also comprises flowing air from the pressurized plenum past or through heat dissipating components in the rack to the volume in front of the rack, by force of pressure in the plenum through air-directing ports in the plenum. The air may be flowed through the heat dissipating components, around the heat dissipating components, or both. The method further comprises drawing warm air from an upper portion of the volume in front of the racks to cool it again.
Absstract of: US2024291069A1
A battery pack module has a casing including at least one inlet for a coolant to enter the battery pack module and at least one outlet for the coolant to exit the battery pack module. A plurality of battery cell rows are arranged in the casing, each battery cell row comprising a set of battery cells in which each battery cell is arranged in abutment with at least one consecutive battery cell, whereby the plurality of battery cell rows form a plurality of battery cell walls, whereby the battery cell walls form a plurality of sections of a flow channel, allowing the coolant to flow from the inlet to the outlet.
Absstract of: US2024291057A1
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.
Absstract of: US2024291093A1
A battery pack includes: a first stack and a second stack; and a case member provided with an inner space that accommodates the first stack and the second stack and a side wall that defines the inner space, wherein each of the first stack and the second stack includes a plurality of battery cells arranged side by side in a first direction, an end plate located at an end portion of the plurality of battery cells, and a restraint member that restrains the plurality of battery cells and the end plate along the first direction, the first stack and the second stack are provided to be arranged side by side in a second direction orthogonal to the first direction, and the end plates arranged side by side in the second direction are engaged with each other, and the end plates continuously extend across the inner space along the second direction.
Absstract of: US2024291040A1
A secondary battery cell includes an anode electrode plate, an anode electrode tab, a cathode electrode plate, a cathode electrode tab, and a separator. A winding formation system of the secondary battery cell includes a working platform, a winding mechanism, an anode electrode plate unwinding roller, an anode electrode plate cleaning mechanism, an anode electrode plate die-cutting mechanism, an anode electrode tab supply mechanism, an anode electrode tab connection mechanism, an anode electrode plate convey mechanism, a cathode electrode plate unwinding roller, a cathode electrode plate cleaning mechanism, a cathode electrode plate die-cutting mechanism, a cathode electrode tab supply mechanism a cathode electrode tab connection mechanism, a cathode electrode plate convey mechanism, a first separator unwinding roller, a second separator unwinding roller, a first separator convey mechanism, and a second separator convey mechanism.
Absstract of: US2024291047A1
An electrolyte solution for a lithium secondary battery according to embodiments of the present disclosure includes a lithium salt, a non-aqueous organic solvent, and a silatane-based having a specific chemical structure. A secondary battery includes the electrolyte solution for a lithium secondary battery. The secondary battery has improved high temperature storage properties and life-span properties.
Absstract of: US2024291050A1
Embodiments described herein relate to electrochemical cells with dendrite prevention mechanisms. In some aspects, an electrochemical cell can include an anode disposed on an anode current collector, a cathode disposed on a cathode current collector, the cathode having a first thickness at a proximal end of the cathode and a second thickness at a distal end of the cathode, the second thickness greater than the first thickness, a first separator disposed on the anode, a second separator disposed on the cathode, an interlayer disposed between the first separator and the second separator, the interlayer including electroactive material and having a proximal end and a distal end, and a power source electrically connected to the proximal end of the cathode and the proximal end of the interlayer, the power source configured to maintain a voltage difference between the cathode and the interlayer below a threshold value.
Absstract of: US2024291035A1
The present disclosure relates to an electrolyte for a lithium-sulfur battery comprising: a base electrolyte comprising a lithium salt and an organic solvent; and an electrolyte additive, wherein the electrolyte additive comprises an isocyanate functional group (—N═C═O).
Absstract of: US2024290972A1
Disclosed are a secondary lithium battery anode and a secondary lithium battery including same, the secondary lithium battery anode comprising a current collector and an anode active material layer located on at least one surface of the current collector, wherein the anode active material layer includes an anode active material, which has sphericity of 0.83 to 0.91, and a binder, which has an average particle diameter (D50) of 180 nm to 450 nm.
Absstract of: US2024291091A1
This application relates to a box, a battery, and an electric apparatus. The box has an accommodating cavity for accommodating a battery cell and a top surface facing away from the accommodating cavity; a first region and a second region are formed on the top surface of the box. The second region surrounds the first region, the second region is constructed with multiple mounting portions, and the battery is mounted to an external apparatus through the mounting portions. A distance between geometric centers of orthographic projections of every two adjacent mounting portions in the second region is 80 mm-500 mm.
Absstract of: US2024291063A1
A battery pack having a plurality of battery modules is provided. Each of the plurality of battery modules includes a thermally conductive frame having a plurality of apertures, a plurality of battery cells, wherein each of the plurality of battery cells is disposed in one of the plurality of apertures, and a first potting material disposed in each of the plurality of apertures between each of the plurality of battery cells and the thermally conductive frame.
Absstract of: US2024291082A1
A battery drying device includes a membrane disposed external to a battery housing of a battery, and configured to prevent liquid water from passing through the membrane and to allow gaseous water to pass through the membrane, a moisture adsorber disposed external to the battery housing and downstream from the membrane, and configured to absorb moisture in the gaseous water, and an adjustable connection valve disposed adjacent to the battery housing and downstream from the moisture adsorber, and configured to, in a regular operation mode, be open and allow air from which the moisture is absorbed by the moisture adsorber into the battery housing, and in a regeneration mode, be closed. The battery drying device further includes an adjustable regeneration valve interposed between the membrane and the moisture adsorber.
Absstract of: US2024291066A1
A battery cooling plate includes at least one planar heat transfer surface that is bounded by four edges. A coolant inlet port and a coolant outlet port are both arranged along a first one of the edges, and a coolant flow path extends through the battery cooling plate adjacent to the at least one planar heat transfer surface between the coolant inlet port and the coolant outlet port. The coolant flow path includes a first portion that extends along the entire length of a second, third, and fourth edge of the at least one planar heat transfer surface. The coolant flow path further includes a second portion that is arranged downstream of the first portion. The second portion of the coolant flow path is separated from the second, third, and fourth edges of the planar heat transfer surface by the first portion of the coolant flow path.
Absstract of: US2024291089A1
In various embodiments, an energy storage mounting system includes an inverter wall bracket mounted to a wall, wherein an inverter is coupled to the inverter wall bracket. The system includes a battery wall bracket to which a battery block is coupled. The battery wall bracket interfaces with an auxiliary bracket that is mounted to the wall, is vertically translatable relative to the auxiliary bracket, and is at least in part ground-supported. The battery block is electrically connected to the inverter.
Absstract of: US2024290970A1
An electrode includes n electrode plate layers sequentially stacked. The electrode plate layer close to a membrane side of the battery is the 1st layer, and the electrode plate layer close to a current collector side is the nth layer. N is a natural number greater than or equal to 2. An electrode material of the electrode plate layer at the 1st layer includes first particles, and an electrode material of the electrode plate layer at each layer from the 2nd layer to the nth layer includes at least the first particles and second particles. An average particle size of the first particles is greater than an average particle size of the second particles. Porosity of the electrode plate layers gradually increases layer by layer in a direction from the nth layer to the 1st layer.
Absstract of: US2024290973A1
Provided are an electrode plate, a lithium-ion battery, a battery module, a battery pack, and an electric device. The electrode plates provided in the present disclosure include a current collector and an active substance layer disposed on at least one surface of the current collector, wherein the active substance layer includes a surfactant lithium salt.
Absstract of: US2024290975A1
A non-aqueous electrolyte secondary battery is characterized in that: an electrode body in which a positive electrode and a negative electrode oppose each other through a separator, and a battery case accommodating the electrode body, are provided; the negative electrode has a negative electrode mixture layer containing first carbon particles and second carbon particles having a lower internal porosity than the first carbon particles; the non-aqueous electrolyte secondary battery is used in a fixed state; and when the electrode body in the fixed state is bisected into a top half region and a bottom half region with respect to the vertical direction, the second carbon particles are contained in greater number in the top half region than the bottom half region.
Absstract of: US2024290974A1
A method for producing an synthetic graphite material for lithium-ion secondary battery negative electrodes, including a step of performing a coking treatment on a raw material oil composition by carrying out a delayed coking process to generate a raw coke composition, a step of performing a heat treatment on the raw coke composition to obtain a heat-treated raw coke composition, a step of crushing the heat-treated raw coke composition to obtain heat-treated raw coke powder, a step of coating the heat-treated raw coke powder with a coating material to obtain coated heat-treated raw coke powder, and a step of graphitizing the coated heat-treated raw coke powder to obtain an synthetic graphite material for lithium-ion secondary battery negative electrodes, in which a specific surface area of the heat-treated raw coke powder is 10.5 m2/g or greater.
Absstract of: US2024290969A1
Provided is a method of producing a sulfur-based active material, the method comprising the steps of: (1) mixing an acrylic resin, sulfur, and an iron compound comprising a divalent or trivalent iron ion to obtain a raw material; and (2) baking the raw material, characterized in that a volume energy density is improved while maintaining a capacity retention rate of the active material that constitutes an electrode of a lithium-ion secondary battery.
Absstract of: US2024291032A1
An electrolyte including a dinitrile compound, a trinitrile compound, and propyl propionate. Based on the total weight of the electrolyte, the weight percentage of the dinitrile compound is X, the weight percentage of the trinitrile compound is Y, and the weight percentage of the propyl propionate is Z, wherein, about 2 wt %≤(X+Y)≤ about 11 wt %, about 0.1≤ (X/Y)≤ about 4, about 30 wt %≤ Z≤ about 50 wt %, about 2 wt %
Absstract of: US2024291080A1
A packaging material for a power storage device includes a metal foil layer, a resin substrate layer, an adhesive layer, and a heat-fusible layer. The heat-fusible layer includes a metal foil side layer portion and a seal layer portion arranged on an innermost surface. When particles with an average particle size of 0.05 μm or more and less than 5 μm are defined as “micro particles,” and particles with an average particle size of 5 μm or more and 20 μm or less are defined as “coarse particles,” the seal layer portion is configured by a layer containing the micro particles and the coarse particles. The metal foil side layer portion is configured by a layer that contains the micro particles and does not contain particles with an actual particle size of 5 μm or more.
Nº publicación: US2024291064A1 29/08/2024
Applicant:
XIAMEN AMPACK TECH LIMITED [CN]
Xiamen Ampack Technology Limited
Absstract of: US2024291064A1
An electrochemical apparatus includes a first housing, a second housing, a cell assembly, a first circuit board, a heat dissipating portion, a protrusion, and a fixing member. The first housing and the second housing are connected to form an accommodation space. The cell assembly, the first circuit board, and the fixing member are disposed in the accommodation space, and the cell assembly is connected to the first circuit board. The first circuit board includes an electronic component, the electronic component includes a heat conducting portion, and the heat conducting portion is connected to the protrusion. The heat dissipating portion is disposed outside the accommodation space and connected to the first housing, and the protrusion is connected to the heat dissipating portion. The fixing member is fixed on the first housing, and the heat conducting portion is partly located between the protrusion and the fixing member.