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1196
results.
Updated on
18/08/2025 [07:12:00]
Results 825 to 850 of 1196
Absstract of: AU2024246873A1
Disclosed in embodiments of the present application is an energy storage device. The energy storage device is used for storing a plurality of batteries (10), and comprises: a first wall (31); and a pressure relief assembly (32) arranged on the first wall (31). Therefore, according to the energy storage device of the embodiments of the present application, the reliability of the energy storage device can be improved.
Absstract of: AU2024392549A1
A busbar assembly and a battery pack. The busbar assembly comprises: a busbar body (1), which is provided with a positioning recess (11) and a welding recess (12) configured to be welded to a pole terminal of a battery cell, wherein a spacing is reserved between the positioning recess (11) and the welding recess (12); and a temperature acquisition element (5), which is glued in the positioning recess (11).
Absstract of: US2025253692A1
A method of managing second use batteries incudes communicating an external load demand to battery management modules (BMMs) of first use batteries and second use batteries; communicating, by each of the BMMs, the state of health (SoH) of the respective first or second use battery to the other BMMs; by the BMMs of the first use batteries with highest SoH, engaging the first use batteries to meet the external load demand, wherein the highest SoH is determined by the BMMs by ranking the SoH of each battery relative to the other batteries; and by the BMMs of the second use batteries, setting a discharge limit for each of the second use batteries based on the SoH of the respective second use battery, and controlling the second use batteries to supply currents not to exceed the discharge limits of the respective second use batteries to load-share with the first use batteries.
Absstract of: US2025253486A1
The present application provides a battery diaphragm, including: a porous substrate and an adhesive layer formed on the side of the porous substrate. The adhesive layer includes a polymer material with an adhesive property. The adhesive layer has a coating coefficient C. The coating coefficient C is equal to a ratio of the adhesive strength A of the adhesive layer to a value P of an increase in gas permeability per unit coating thickness of the adhesive layer. A relation C=A/P is satisfied. The coating coefficient C has a ratio in a range of 0.3
Absstract of: US2025253482A1
A housing assembly, a battery cell, a battery, and an electric device. The housing assembly is used for the battery cell and includes a housing and a separator. A pressure relief portion is formed on an outer surface of the housing; the separator includes a fitting surface, a groove is formed on the fitting surface, the fitting surface is fitted to the outer surface of the housing, and at least part of the pressure relief portion is accommodated in the groove.
Absstract of: US2025253351A1
Disclosed here is an electrolytic copper foil for a current collector of a secondary battery. The electrolytic copper foil ranges in room-temperature elongation per unit thickness from 1.3 to 2.0%/μm and has a ratio of surface wetting angle on M plane (θM) to surface wetting angle on S plane (θS) of 1 or greater.
Absstract of: US2025253484A1
A battery pack of the present disclosure can include a plurality of pouch-type battery cells. Each cell can have a receiving portion in which an electrode assembly is accommodated and an edge portion around the receiving portion. A pack case can accommodate the pouch-type battery cell in an upright state by placing the edge portion downward in an internal space of the pack case. A cell cover can at least partially surround at least some of the pouch-type battery cells in the internal space of the pack case by surrounding the upper edge portion of the pouch-type battery cell and exposing the lower edge portion of the pouch-type battery cell. The cell cover can include a separation space and a a pocket structure for restricting the movement of gas emitted from the pouch-type battery cell in the horizontal direction and upward across the upper edge portion within the separation space.
Absstract of: AU2024381030A1
An inspection device for inspecting a communication state of a battery management device according to an embodiment of the present disclosure may include: a base member; a distance-variable part which is disposed on the base member, to which a first battery management device including a first optical communication part is mounted, and which is movable in the direction of a first axis; and an angle-variable part including a first rotation structure which is disposed on the base member, to which a second battery management device including a second optical communication part is mounted, and which is rotatable around a second axis orthogonal to the first axis, and a second rotation structure which is rotatable around a third axis orthogonal to the first axis and the second axis, wherein the first optical communication part and the second optical communication part are arranged to face each other.
Absstract of: AU2025200389A1
The present disclosure provides a charging device configured to be operably mechanically and electrically connected with a plurality of battery packs to transmit power to battery packs or to allow the battery packs to transmit power to the charging device, wherein the charging device comprises: a first battery pack engaging portion arranged on a first surface for mechanically and electrically connecting with a first battery pack; a second battery pack engaging portion arranged on a second surface for mechanically and electrically connecting with a second battery pack; and an output port arranged on a third surface and configured to transmit power to the external device. The charging device controls, in a predetermined manner, the charging/discharging operations of the battery pack(s)/external device connected to the charging device in a case where the charging device is connected to the power grid or not connected to the power grid. The present disclosure further provides a charging system having the charging device. The charging device according to the present disclosure helps a user to select different charging/discharging modes as needed to achieve multi-functional charging/discharging operations, and is convenient for being carried. The present disclosure provides a charging device configured to be operably mechanically and electrically connected with a plurality of battery packs to transmit power to battery packs or to allow the battery packs to transmit power to the cha
Absstract of: AU2024374498A1
A conductive slurry and a preparation method therefor, a composite electrode, and a flow battery. The conductive slurry is prepared from a conductive carbon black, carbon nanotubes, polyvinylidene fluoride and N-methylpyrrolidone. The composite electrode comprises a first electrode, a bipolar plate, a second electrode, and the conductive slurry as described above, wherein the conductive slurry is disposed between the first electrode and the bipolar plate and disposed between the second electrode and the bipolar plate. The conductive slurry is not only stable in the initial chemical state of a vanadium electrolyte of a common flow battery, but also has electrochemical stability during charging and discharging after a voltage is applied thereto. The conductive slurry has a long service life and does not degrade over time as the battery is used. The conductive slurry has a good bonding effect, and also enables the contact resistance to be reduced after the bipolar plate and carbon felt electrodes are compounded. Moreover, the conductive slurry itself has a good electrocatalytic activity, thereby providing reaction sites for a vanadium electrolyte commonly used in a flow battery and thus improving the efficiency and performance of the battery.
Absstract of: AU2024336487A1
The present invention relates to a battery pack comprising: multiple battery cells; and a pack case provided with multiple unit plates to accommodate the multiple battery cells, and provided with a venting part which is provided through at least one of the multiple unit plates to discharge gas discharged from the battery cells to the outside, wherein venting spaces are formed in at least some unit plates to extend toward the venting part so as to enable the gas to flow therein.
Absstract of: US2025253472A1
A battery holder for an electric personal transport vehicle includes a first receptacle and a second receptable. Each receptacle is configured to accommodate an outer battery pack. A cavity is between the first receptacle and the second receptacle. The cavity is configured to accommodate a central battery pack. An upper cap is coupled to a top surface of the first receptacle and the second receptable, and covers the cavity. A lower cap includes a first retaining portion coupled to the first receptacle, a second retaining portion coupled to the second receptacle, and a base. The base is between and coupled to each of the first retaining portion and the second retaining portion, and covers the cavity. The base has an inner surface configured to abut to an external structure when securing the battery holder. The external structure is a component of the electric personal transport vehicle.
Absstract of: US2025253468A1
A battery and an electrical device are disclosed. The battery includes multiple structural components. The multiple structural components are arranged along a first direction. At least one structural component is a battery row, which includes at least one battery cell. The battery cell includes a first surface provided with an electrical connection portion. The first surface is oriented toward an adjacent structural component; and a support piece. The support piece is disposed between the battery row and the adjacent structural component. The support piece is configured to space the first surface and the adjacent structural component apart by a fixed clearance.
Absstract of: US2025253502A1
A secondary battery that is superior in manufacturability is provided. The secondary battery includes a first electrode current collector plate, a second electrode current collector plate, and an electrode wound body. The first electrode current collector plate has an opening. The electrode wound body is disposed between the first electrode current collector plate and the second electrode current collector plate, and has a through hole extending in a height direction. The electrode wound body includes a stacked body that includes a first electrode, a second electrode, and a separator and is wound. The electrode wound body includes a first end face and a second end face. The first end face faces the first electrode current collector plate in the height direction. The second end face faces the second electrode current collector plate in the height direction. At least a portion of a first electrode exposed region forms the first end face and is coupled to the first electrode current collector plate. The opening is positioned to overlap a portion of the the first end face in the height direction.
Absstract of: US2025253345A1
A graphene oxide used as a raw material of a conductive additive for forming an active material layer with high electron conductivity with a small amount of a conductive additive is provided. A positive electrode for a nonaqueous secondary battery using the graphene oxide as a conductive additive is provided. The graphene oxide is used as a raw material of a conductive additive in a positive electrode for a nonaqueous secondary battery and, in the graphene oxide, the atomic ratio of oxygen to carbon is greater than or equal to 0.405.
Absstract of: US2025253342A1
An electrode plate includes a current collector and an active substance layer disposed on at least one surface of the current collector. The active substance layer includes an active substance and a polymer, and the active substance layer satisfies Formulas (1) to (3).λ=1-P1P2Formula(1)v=π×(d2)2×h×ρtFormula(2)v/λ>1.Formula(3)
Absstract of: AU2023438773A1
The present application provides a battery cluster and an energy storage system. The battery cluster, by means of an installation position provided for a battery pack in a fixing apparatus, can achieve the fixation of the battery pack; moreover, a fixing position is also provided for a cable in the fixing apparatus, and the cable is fixed to the corresponding fixing position, so that when the battery cluster is transported, the cable and the fixing apparatus can be packaged together for transportation, and the transportation cost is thus reduced.
Absstract of: AU2023426060A1
In some implementations, a controller may provide first instructions to a plurality of measurement devices, wherein the plurality of measurement devices are configured to obtain measurements from a plurality of battery modules of a battery pack. The controller may receive one or more first responses from one or more first measurement devices of the plurality of measurement devices based on providing the first instructions, wherein the one or more first responses include first unique identifier information identifying one or more first unique identifiers associated with the one or more first measurement devices. The controller may determine, based on the one or more first unique identifiers, whether the plurality of battery modules are improperly assembled.
Absstract of: AU2023417217A1
A solid electrolyte, comprising a first solid electrolyte layer and a second solid electrolyte layer. The first solid electrolyte layer comprises a first sulfide solid electrolyte, and the second solid electrolyte layer comprises a phosphide solid electrolyte.
Absstract of: US2025253397A1
Novel anion receptor; and a nonaqueous liquid electrolyte and a gel type or solid polymer electrolyte, which contain same. The receptor is composed of a compound formed from silicon-nitrogen bond structures, such as a novel silazane in which an amine group substituted with an electron withdrawing group is introduced to a silicon atom or in which an electron withdrawing group is introduced to a nitrogen atom, or being composed of a mixture of the compound formed from silicon-nitrogen bond structures, such as the novel silazane, and a composition selected from among linear hydrocarbon, cyclic hydrocarbon, polyalkylene oxide and siloxane compounds in which an amine group substituted with an electron withdrawing group is introduced or an electron withdrawing group is introduced to the nitrogen atom in a ring; improving the ion conductivity and cation transport rate of an electrolyte containing same; and increasing the electrochemical stability of an alkali metal battery.
Absstract of: US2025253451A1
Provided are an all-solid state secondary battery including a battery element member including one or more battery units each including at least a negative electrode active material layer, a solid electrolyte layer, and a positive electrode active material layer laminated in this order, in which an insulating coating body that coats at least a side surface of the battery element member is provided at an end part of the battery element member, and the insulating coating body consists of a mixture of a resin material that melts in a temperature range of 300° C. or lower and insulating inorganic particles that do not melt at 350° C.; as well as a manufacturing method of an all-solid state secondary battery including a step of disposing a mixture of a resin material that melts in a temperature range of 300° C. or lower and insulating inorganic particles that do not melt at 350° C., at an end part of the battery element member, and a step of pressurizing the mixture against the battery element member in an inward direction while heating the mixture at a temperature at which the resin material melts.
Absstract of: US2025253338A1
The disclosure aims to provide a polytetrafluoroethylene for use in electrochemical device binders which enables formation of an electrode mixture sheet with high strength, and an electrochemical device binder, an electrode mixture, an electrode, and a secondary battery. Provided is a polytetrafluoroethylene for use in electrochemical device binders, the polytetrafluoroethylene having a number average molecular weight of 3.0×106 or more.
Absstract of: US2025253497A1
In a general aspect, an electrical device assembly (e.g., a battery module) can include a first electrical contact surface, a second electrical contact surface, and a ribbon wire extending along a longitudinal axis. The ribbon wire can include a first portion, a second portion and a third portion. The first portion of the ribbon wire can be coupled with the first electrical contact surface via a first wedge bond. The second portion of the ribbon wire can be coupled with the second electrical contact surface via a second wedge bond. The third portion of the ribbon wire can extend between the first portion and the second portion. The first portion can have a first width transverse to the longitudinal axis of the ribbon wire, and the third portion can have a second width transverse to the longitudinal axis, the first width being greater than the second width.
Absstract of: US2025253455A1
The present invention relates to a battery module. The battery module according to the present invention includes a housing having an internal accommodation space; and a plurality of battery cells disposed in the internal accommodation space, in which the housing includes a weld joint in which a first base material of a first aluminum-based alloy and a second base material of a second aluminum-based alloy are welded, and at least a partial region of a bead surface of the weld joint is located inward with respect to a reference plane, with an imaginary plane, which connects an outer surface of the first base material and an outer surface of the second base material in contact with the weld joint, as the reference plane.
Nº publicación: US2025253403A1 07/08/2025
Applicant:
SHENZHEN CAPCHEM TECH CO LTD [CN]
SHENZHEN CAPCHEM TECHNOLOGY CO., LTD
Absstract of: US2025253403A1
A sodium-ion battery is provided, comprising a positive electrode, a negative electrode and an electrolyte. The electrolyte comprises NaFSI, and the mass percentage C of the usage amount of NaFSI relative to the electrolyte satisfies: 1%≤C≤15%. The disclosure ensures that a negative electrode has enough capacity for exertion, such that Na+ deintercalated from a positive electrode can be completely intercalated into the negative electrode, and the plating of Na+ at the negative electrode is prevented, thereby effectively inhibiting the occurrence of a sodium plating phenomenon; moreover, NaFSI is used in an electrolyte and the content range thereof is controlled, such that while the conductivity of the electrolyte is improved, the film forming stability of positive and negative sides of a battery is good, and a current collector does not corrode, thereby effectively improving the rate capability and the cycling stability of the battery.
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