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1369
results.
Updated on
24/10/2026 [08:31:00]
Results 175 to 200 of 1369
Absstract of: US20260326572A1
The present disclosure relates to a method of providing an early warning of thermal runaway in a battery cell, the method comprising: monitoring, over time, a temperature of the battery cell; monitoring, over time, a real part of an impedance of the battery cell for a plurality of test signal frequencies by: applying a plurality of test signals to the battery cell at each of a plurality of discrete time intervals, each of the plurality of test signals having a corresponding one of the plurality of test signal frequencies; and determining, for each applied test signal, the real part of the impedance of the battery cell; determining, over time, whether the temperature of the battery cell is increasing; determining, over time, whether the real parts of the impedances corresponding to the plurality of test signal frequencies have converged; and providing a first warning if the real parts of the impedances at the plurality of test signal frequencies have converged and the temperature has been increasing for a first predetermined number of the discrete time intervals.
Absstract of: US20260331605A1
A battery module includes a plurality of battery cells, and a Battery Management System (BMS) module connected to at least one of the plurality of battery cells. The BMS module includes a substrate, a plurality of electrical components mounted on one surface of the substrate, and a cooling element disposed on the other surface, opposite to the one surface, and cooling at least a portion of the other surface.
Absstract of: US20260331645A1
Herein is described a photoelectrode and a rechargeable lithium-ion photobattery comprising the photoelectrode. The photoelectrode comprises a transition metal oxide component and a discrete conductive carbon component. The transition metal oxide component comprises a single transition metal oxide material having an average pore size of at least 5 nm. The discrete conductive carbon component has a thickness of 50 μm or less. Herein is also disclosed a method of preparing the photoelectrode and the use of said photoelectrode in a photobattery system.
Absstract of: US20260331512A1
The present invention relates to a secondary battery, particularly an electrode for a lithium-sulfur battery, a manufacturing method thereof, and a secondary battery comprising the same, particularly a lithium-sulfur battery, and more specifically, the electrode for a secondary battery, particularly for a lithium-sulfur battery, of the present invention includes a cationic nanocellulose binder surface-modified with a cationic functional group, thereby increasing the specific surface area where the cationic nanocellulose binder contacts the conductive material and the active material, which can simultaneously improve the adhesion within the electrode and the adhesion between the electrode and the current collector, and by inducing 3-dimensional growth of lithium sulfide, it can suppress the shuttle effect of lithium polysulfides and passivation of the electrode, and increase the loading amount of the active material and the specific capacity of the battery.
Absstract of: US20260331730A1
An electrode and a secondary battery including the electrode. The electrode includes a substrate, a first composite layer comprising an active material and disposed on a part of one surface of the substrate, and a first colored insulating layer having a color different from the substrate and covers each end portion of the first composite layer.
Absstract of: US20260331566A1
Provided is an anode-free lithium secondary battery including an anode current collector having a dual coating layer, the anode-free lithium secondary battery comprising a cathode active material, a separator, and an electrolyte between a cathode current collector and the anode current collector, wherein the anode current collector is coated with an artificial SEI layer containing a metal, and a natural solid electrolyte interphase (SEI) film is formed on the anode current collector by reaction of at least a part of the artificial SEI layer with the electrolyte when the anode-free lithium secondary battery is first charged.
Absstract of: AU2025253958A1
An electrical connector (100) for the high voltage electrical connection (106) of electrical cables (104) to a battery pack (102) can be selectively configured to align the electrical cables (104) in multiple directions. The electrical connector (100) includes a box frame (126) mountable to the battery pack (102) and having one or more frame faces (170) with an access opening (180) therein that accesses a terminal receiving cavity (128) of the box frame (126). A cable receiving housing (124) is attachable to the frame face (170) and configured to align and direct the electrical cables (106) to the terminal receiving cavity (128). A cover plate (136) may be used to cover the access opening (180) in the others frame faces (170).
Absstract of: US20260331457A1
0000 A negative electrode layer 10, a positive electrode layer 20, and a solid electrolyte layer 30 are laminated in a T direction. One direction from among directions orthogonal to the T direction is an X direction. A direction orthogonal to the T direction and the X direction is a Y direction. A negative-electrode current collector layer 11 has a negative-electrode current collector layer body part 12, and a negative electrode tab 14 extending from the negative-electrode current collector layer body part 12 in an X-direction. The outer peripheral surface of the negative electrode layer 10 has pairs of side surface sections 13, 16 opposite from each other in the Y direction. When viewed in the T direction, each of the side surface sections 13, 16 has an uneven section 13a, 16a that includes recesses and protrusions repetitively arranged in the X direction.
Absstract of: US20260328847A1
The present disclosure relates to a secondary battery testing apparatus including a case, a drum rotatably disposed in the case, a cable configured to be wound around the drum and having a detection terminal extending outward from the case, an adjustment member connected to the drum and configured to adjust rotation of the drum, and a measurement member connected to the cable and configured to measure a detection signal transmitted through the cable.
Absstract of: US20260331670A1
0000 A cooler stacked alternately with batteries and cooling the batteries includes a cooling portion arranged between adjacent batteries in a stacking direction, in which the cooling portion includes a channel through which a coolant flows, a first cooling face in contact with one of the batteries, a second cooling face-in contact with another of the batteries, a first protrusion protruding in the stacking direction from a rear face of the first cooling face toward a rear face of the second cooling face, and a second protrusion protruding in the stacking direction from the rear face of the second cooling face toward the first cooling face. The channel is fashioned from an internal space in which the rear faces of the cooling faces face each other, and when the first and second cooling faces are in facial contact with the batteries, the first and the second protrusions face each other.
Absstract of: US20260328852A1
Methods and systems for determining a status of an electrochemical energy storage device is provided. An impedance profile of an electrochemical energy storage device is determined using an Electrochemical Impedance Spectroscopy (EIS) device. The determined impedance profile is compared with a predetermined impedance profile. A status of the electrochemical energy storage device is determined based on the comparison.
Absstract of: US20260331735A1
A battery cell comprises: an electrode assembly; and an insulating component, wherein the insulating component is configured to wrap at least a partial region of the electrode assembly; the insulating component comprises a first insulating structure and a second insulating structure, the first insulating structure is a hollow structure with one end open, the hollow structure being configured to accommodate the electrode assembly, and the second insulating structure is configured to cover an opening of the first insulating structure.
Absstract of: US20260331690A1
an all-solid-state rechargeable battery according to an embodiment may include an all-solid-state cell including a positive electrode, a negative electrode, and a solid electrolyte layer, an all-solid-state case configured to contain the all-solid-state cell, a pair of fluid-containing members containing a fluid for pressurizing the all-solid-state cell, and in contact with an interior surface of the all-solid-state case, an inlet/outlet valve configured to introduce the fluid into an interior of the fluid-containing member and discharge, and a fluid supply unit connected to the inlet/outlet valve, and configured to supply the fluid to the fluid-containing member.
Absstract of: US20260328859A1
A battery capacity estimation method is a method that estimate a deterioration state of a battery, and includes acquiring a capacity value, a current value, and a temperature of the battery in a battery capacity measurement and estimating a capacity true value of the battery by adding a capacity correction value calculated using Equation (1) described below to the capacity value.dQ=k′(T)I*100SOH(1)(where dQ is a capacity correction value, T is a temperature (° C.), k′(T) is a constant at the temperature T, I is a current value, and SOH is a ratio (%) of a full charge capacity of the battery at a time of measurement relative to an initial full charge capacity of the battery.)
Absstract of: US20260331631A1
A battery cell cooling member is arranged between adjacent battery cells and includes two facing plates formed on an inner side between the battery cells to face the battery cells, respectively, and an elastic pad between the two facing plates and having a cooling path.
Absstract of: US20260331716A1
A battery module and a method of manufacturing the same, are capable of improving the stability of mechanical and electrical connections. The battery module includes a housing, a battery cell disposed inside the housing, a first bus bar connected to the battery cell and including a first conductive material connected to the first bus bar and a module bus bar. The second bus bar includes a second conductive material that is different than the first conductive material.
Absstract of: US20260331556A1
An electronic device is provided. The electronic device includes a housing, and a battery assembly disposed in the housing and including a battery cell and a cover member disposed to surround at least a portion of the battery cell, wherein the battery cell including curved regions on both sides includes a cathode including a cathode current collector and cathode active material coating portions disposed on both surfaces of the cathode current collector, an anode including an anode current collector and anode active material coating portions disposed on both surfaces of the anode current collector, and a separator disposed between the cathode and the anode, wherein among the cathode active material coating portions, a cathode active material coating portion disposed adjacent to a center of the battery cell includes a first pattern portion that is located in the curved regions and is a combination of a plurality of unit patterns at least a portion of which are engraved and repeated.
Absstract of: US20260332454A1
0000 A battery management system for managing a cell stack. The battery management system includes: a plurality of monitoring circuits that monitor the cell stack; and a management circuit that is connected to each of the plurality of monitoring circuits via wireless communication, and manages the cell stack. In the battery management system, at least one of the management circuit or each of the plurality of monitoring circuits includes a measurement circuit for measuring Time of Flight (TOF) between the management circuit and each of the plurality of monitoring circuits via impulse response ultra-wide band (IR-UWB) communication.
Absstract of: US20260331586A1
0000 Electrolyte compositions include: at least one electrolyte salt of a metal selected from the group consisting of an alkali metal, an alkaline earth metal, zinc, aluminum, and any combination thereof; and a solvent mixture configured to solubilize the at least one electrolyte salt. The solvent mixture includes: (A) a cyclic sulfone and a partially fluorinated sulfonamide; (B) a cyclic sulfone, a partially fluorinated sulfonamide, and about 10 weight percent (wt. %) or less of an ether selected from the group consisting of a cyclic ether, a glyme, and any combination thereof, based on a total weight of the cyclic sulfone, the partially fluorinated sulfonamide, and the ether; or (C) a partially fluorinated sulfonamide and up to about 50 wt. % of an ether selected from the group consisting of a cyclic ether, a glyme, and any combination thereof, based on a total weight of the partially fluorinated sulfonamide and the ether.
Absstract of: US20260331460A1
Provided are a positive electrode material, a method for preparing the positive electrode material, a positive electrode plate, a battery, and an electric device. The positive electrode material includes an inner core and a shell coating the inner core, the inner core and the shell each include primary particles, most of the primary particles in the inner core are distributed in the radial direction of the inner core, and the distribution of most of the primary particles in the shell is different from the radial distribution in the inner core. The particle strength of the positive electrode material is improved, thereby improving the cycle life, high-temperature storage performance, and energy density of the battery.
Absstract of: US20260326569A1
A vehicle includes a chassis, a tractive element coupled to the chassis, a cab coupled to the chassis and configured to support an operator, a body coupled to the chassis and offset longitudinally rearward from the cab, such that a volume is defined between the cab and the body, an electric motor configured to drive the tractive element to propel the vehicle, a secondary electrical load, a battery configured to supply electrical energy, and a power distribution unit configured to direct the electrical energy from the battery to the electric motor and the secondary electrical load. The power distribution unit is positioned in the volume defined between the cab and the body.
Absstract of: US20260331688A1
0000 A ventilation control apparatus according to an embodiment of the present disclosure is installed in a battery container including one or more batteries. The ventilation control apparatus includes: a smoke detection unit configured to detect smoke inside the battery container and to output a sensing signal when the smoke is detected; and a control unit configured to, upon receiving the sensing signal, control an operating state of a ventilation unit installed in the battery container to a turned-on state, and to output, to an external device, a ventilation operation signal indicating that the operating state of the ventilation unit has been controlled to the turned-on state.
Absstract of: US20260331606A1
One aspect of the present disclosure provides a battery pack including a battery module, an analog output generation circuit, and a control circuit. The control circuit is configured (i) to control the analog output generation circuit to generate an analog output voltage corresponding to a charge level of the battery module and (ii) to transmit communication data to a charger. The communication data includes parameters for the charger to generate a correlation profile. The correlation profile correlates a maximum required value of a charge current with the analog output voltage such that the maximum required value changes at two or more rates of change while the analog output voltage is transitioning among different voltage levels between a first voltage level and a second voltage level.
Absstract of: US20260331929A1
One aspect of the present disclosure provides a battery pack including a battery module and a control circuit. The control circuit is configured to transmit first communication data to a charger via serial communication. The first communication data includes a logical value of true at each of a first designated bit position and a second designated bit position such that the charger identifies that the battery pack is compatible with each of a first charge control, a second charge control, and a third charge control.
Nº publicación: US20260331733A1 22/10/2026
Applicant:
ZHUHAI COSMX POWER CO LTD [CN]
ZHUHAI COSMX POWER CO., LTD.
Absstract of: US20260331733A1
0000 The present disclosure discloses a battery including a battery cell, a protection board, and a potting member, where the battery cell includes an electrode assembly and a film casing, and the battery cell has a top end surface and side end surfaces. The film casing is provided with a first groove and a second groove. The film casing is provided with a top sealing edge including a first straight portion and a first bent portion. The protection board is connected to a top end of the battery cell along a height direction, and the protection board includes a protection board body and a connecting terminal. The potting member covers an outer peripheral portion of the protection board and exposes at least a portion of a side surface of the protection board body on the same side as the shallow recessed surface.
BOPI
Electronic site
