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1000
results.
Updated on
16/07/2026 [07:55:00]
Results 625 to 650 of 1000
Absstract of: US20260196476A1
0000 A hydrogen storage alloy that is used for an alkaline storage battery, and that has a main phase combining crystal structures of an A<2>B<7>-type structure, an A<5>B<19>-type structure, or an AB<3>-type structure and is represented by General Formula (1): (La<1-a-b>YR)<1-c>Mg
Absstract of: US20260193476A1
A binder composition for a non-aqueous secondary battery electrode contains a polymer and a solvent. In a situation in which the binder composition for a non-aqueous secondary battery electrode is subjected to filtration using a mesh filter having an opening size of 5 μm, the number of particles having a maximum diameter of not less than 5 μm and not more than 15 μm that are observed on the mesh filter after the filtration is 2,000 particles/L or less, and the proportion of the number of particles having a maximum diameter of more than 15 μm relative to the total number of particles that are observed on the mesh filter after the filtration is 40% or less.
Absstract of: US20260193477A1
0000 Described herein are electrode active layers for energy conversion or storage devices, such as supercapacitors or batteries, and which comprise an active material and a binder comprising a salt of a sulfonated polymer. Also described herein are slurries for producing such active layers, composite electrodes comprising such active layers, and uses of such active layers in energy conversion or storage devices, as well as methods of making such active layers.
Absstract of: US20260196673A1
A secondary battery including an electrode assembly; a frame that surrounds a circumference of the electrode assembly so as to accommodate the electrode assembly, the frame including an insulation material; and a pair of exterior sheets sealed to the frame at both sides of the frame, respectively, and covering the electrode assembly is provided. A groove is defined in the frame so that a large sealing surface area is provided between the exterior sheets and the frame is.
Absstract of: US20260196558A1
Provided are an additive represented by Chemical Formula 1, an electrolyte and a positive electrode for a rechargeable lithium including the additive, and a rechargeable lithium battery.Details regarding Chemical Formula 1 are as described in the specification.
Absstract of: US20260196563A1
The present invention relates to a secondary battery electrolyte, which includes a composite electrolyte salt; the composite electrolyte salt comprises lithium hexafluorophosphate, lithium difluorosulfonate, and lithium sulfide salts; the lithium sulfide salts include substituted sulfates (R1—SO3—Li) and/or sulfonate structure lithium salts (R2—O—SO3—Li). The present invention employs a combination of LiPF6, lithium sulfide salts, and LiFSI, where LiFSI exhibits better hydrolysis stability, superior thermal stability, and higher lithium migration capability, significantly enhancing the battery's kinetics and high-temperature performance. Lithium sulfates and sulfonate structure lithium salts also possess high lithium migration capabilities. Moreover, their anion groups rich in S and O form films that improve the composition of the SEI film and reduce membrane impedance, thereby enhancing the battery's kinetic and high-temperature performance.
Absstract of: US20260196571A1
An electrode assembly according to one embodiment of the present disclosure is an electrode assembly including: an electrode unit and an assembly cathode, which are sequentially stacked, wherein the electrode unit comprises: an anode having first surfaces that are folded to face each other; a unit cathode located between the folded first surfaces; and a first separator located between the first surface and the unit cathode, wherein the first surface surrounds the upper and lower surfaces of the unit cathode and one side surface of the unit cathode, and both end parts of the first surface extend along the upper and lower surfaces of the unit cathode.
Absstract of: US20260194589A1
0000 A battery control device (100) includes a computing device (battery controller 101) that computes an internal resistance value (DCR) of a battery (300). The battery controller (101) computes a current differential value (ΔI) on the basis of a first current value (I1) measured at a first clock time (t1) serving as a target measurement clock time and a second current value (I2) measured at a second clock time (t2) serving as a target measurement clock time at which a predetermined time has elapsed from the first clock time (t1). The battery controller (101) computes a voltage differential value (ΔV) on the basis of a first voltage value (V1) measured at a predetermined clock time serving as a target measurement clock time that is later than the first clock time (t1) and a second voltage value (V2) measured at a third clock time (t3) serving as a target measurement clock time at which a predetermined time has elapsed from the second clock time (t2) and that is later than the predetermined clock time. The battery controller (101) computes the internal resistance value (DCR) of the battery (300) on the basis of the current differential value (ΔI) and the voltage differential value (ΔV).
Absstract of: US20260196656A1
An energy storage system according to an embodiment of the present invention comprises: a plurality of battery modules arranged in a stacked manner; and a battery rack comprising a pair of thermal runaway blocking kits which cover the plurality of battery modules on both sides thereof, wherein the pair of thermal runaway blocking kits may comprise a body portion on which the plurality of battery modules are mounted and which comprise an empty space in which gas discharged from one or more of the battery modules is confined, and a side frame coupled to the body portion so as to cover the empty space.
Absstract of: US20260196546A1
The composite member includes a polycrystalline first member, a second member, and a boundary portion. The first member contains a first material. The second member contains a second material different from the first material. The boundary portion is located between the first member and the second member and containing the first material and the second material. The boundary portion includes a first portion and a second portion. The second portion is thicker than the first portion.
Absstract of: US20260194578A1
A controller constructs a model that has measured value information including an AC resistance value measured for learning and use history information acquired for learning as explanatory variables and a deterioration state measured for learning as a response variable. The controller estimates, using the constructed model, a deterioration state of a battery with measured value information including an AC resistance value measured for estimation and use history information acquired for estimation as explanatory variables and a deterioration state of the battery as a response variable.
Absstract of: US20260196593A1
0000 A control system controls a control valve apparatus of an electric vehicle thermal management system. The electric vehicle thermal management system includes a battery unit; a first heat exchanger; an electric drive unit; a second heat exchanger; a crossflow valve unit; and a coolant network for supplying coolant to the battery unit, the first heat exchanger, the electric drive unit, the second heat exchanger and the crossflow valve unit. The crossflow valve unit is configured to control coolant flow through the coolant network by partitioning the coolant network into one or more network configurations. The control system includes one or more processors collectively configured to: receive data relating to a vehicle operating condition; determine a crossflow valve control signal in dependence on the received data, and output the crossflow valve control signal to the crossflow valve unit.
Absstract of: US20260192701A1
0000 A quick-swap device (100), a battery pack (200), an electric vehicle (1000) and a control method therefor are provided. The quick-swap device (100) comprises a quick-swap bracket (1) and a first heating portion (2), wherein the first heating portion (2) is connected to the quick-swap bracket (1) and is configured to heat the quick-swap bracket (1); and the quick-swap bracket (1) is heated by the first heating portion (2), to prevent failure in quick swapping of the battery pack (200) caused when the quick-swap bracket (1) and the battery pack (200) are frozen under extreme low temperatures such as snow or freezing rain.
Absstract of: US20260196578A1
0000 An assembly for use with a battery pack comprising a plurality of battery cells is provided. The assembly enables communication between an electronic device and a radio transceiver located remotely from the electronic device. The assembly comprises: a module antenna operatively connected to the electronic device, the module antenna comprising a first coil and a second coil of an electrical conductor; a bus antenna configured in use to provide a communication channel for the radio transceiver, the bus antenna comprising two transmission lines, each one of the transmission lines being spaced apart from and positioned adjacent to a different one of the first and second coils, to enable near-field coupling between the module antenna and the bus antenna when a transmission signal is input into either the module antenna or the bus antenna; and wherein the arrangement of the two transmission lines relative to the coils is such that an induced current in each transmission line caused by the coupling of each transmission line with its adjacent coil, is substantially the same in magnitude.
Absstract of: US20260196576A1
A self-repair binder for batteries and its preparation method, which consists of binder, additives, solvent, and self-repair agent. The self-repair agent includes polymer microcapsules, which consist of capsule wall material and repair liquid core material. Additives act as thickeners to improve the viscosity and flowability of the binder, making it easier to apply and coat on the battery surface. The self-repair agent can be encapsulated by polymer microcapsules, allowing it to automatically release the repair binder when the battery suffers minor damage, thus achieving self-repair functionality. Additionally, the repair binder has excellent interfacial bonding with both the binder and the active materials of the cathode and anode, ensuring long-term repair effectiveness.
Absstract of: US20260196516A1
0000 One embodiment of the present invention provides a highly safe or reliable secondary battery. The secondary battery includes a positive electrode, a negative electrode, and an electrolyte. The positive electrode includes a positive electrode active material layer containing nickel, cobalt, and manganese. The positive electrode active material layer includes a secondary particle. The secondary particle includes a plurality of primary particles. A layer containing calcium is present between adjacent two of the plurality of primary particles. The thickness of the layer containing calcium is greater than or equal to 1 nm and less than or equal to 10 nm. The density of the layer containing calcium is higher than or equal to 2.0 g/cm<3 >and lower than 3.3 g/cm<3>.
Absstract of: US20260196478A1
0000 An anode material for an electrochemical cell comprises a matrix material: distributed material composite, which comprises one or more alkali metals and/or alkali earth metals. The distributed material may comprise a metal other than that of the matrix material, such as a transition and/or post transition metal. The anode material may be all or part of an anode for an electrochemical cell, which may further comprises a current collector and/or an SEI layer. The electrolyte may comprises an alkali metal and/or alkali earth metal and/or a transition metal and/or post transition metal containing electrolyte salt. The matrix material and/or the distributed material may comprise one or more of the metals of the electrolyte salt. All or part of the anode may be used as a substrate for electro-deposition of one or more matrix materials during charging and/or all or part of the anode may be used as a source of matrix material during discharging. The electrolyte may further comprise one or more electrolyte additives. The anode material may be produced by mixing a matrix material and distributed material and heating the mixture to selectively melt the matrix material to produce a matrix material: distributed material composite. The composite may be further chemically or mechanically processed to reduce the size of the distributed material and/or to increase the homogeneity of the matrix material: distributed material composite. The anode material, the anode or the electrochemic
Absstract of: US20260194476A1
0000 A method includes using machine learning to classify and sort energy storage devices based on at least one of the detected chemical or physical properties. In some embodiments, the method can include irradiating an energy storage device with an input radiation and detecting the output radiation reflected or backscattered by the energy storage device. The method may further include detecting a physical property of the energy storage device.
Absstract of: US20260196661A1
A battery pack includes: a pack frame in which a plurality of battery modules are respectively mounted on a plurality of module sections that are partitioned from each other; a flow path frame located at a lower part of the pack frame; and at least one first discharge part located on one side surface of the pack frame, wherein the plurality of module sections includes a first module section and a second module section that are arranged side by side in one direction, with the second module section being located more adjacent to the first discharge part than the first module section, wherein the flow path frame includes a first flow path part located at a lower part of the first module section and a second flow path part located at a lower part of the second module section, and wherein the second lower venting flow path formed in the second flow path part is formed to be longer than the first lower venting flow path formed in the first flow path part.
Absstract of: US20260196692A1
0000 There is disclosed herein a protection device (100) for a battery pack, and a battery pack (800) comprising such a protection device (100). The protection device (100) comprises a fuse (102) arranged in a space (103) between electrical conductors (104) and configured to weaken when an 5 overcurrent passes therethrough. According to a beneficial aspect of the present disclosure, the protection device (100) comprises an insulator (106) formed as a resilient member having a biased state and a relaxed state. The insulator (106) is held in the biased state by the fuse (102) and is biased towards the space (103) between the electrical conductors (104) in the biased 10 state.
Absstract of: US20260196574A1
0000 A mixture contains an oxide and an electrolytic solution. The electrolytic solution is formed of an electrolytic salt dissolved in a sulfone compound represented by a chemical formula (1). The self-diffusion coefficient of at least one component contained in the electrolytic solution in contact with the oxide, as measured through pulsed field gradient nuclear magnetic resonance spectroscopy, is equal to or greater than 6 times the self-diffusion coefficient of the component contained in the electrolytic solution which is not in contact with the oxide, measured by the pulsed field gradient nuclear magnetic resonance spectroscopy at the same temperature as that in measurement of the former self-diffusion coefficient. A ratio of a volume of the oxide to a sum of the volume of the oxide and a volume of the electrolytic solution is 61% or greater and equal to or less than 93%.
0000
Absstract of: US20260196591A1
0000 Example embodiments of systems, devices, and methods are provided herein for a cooling fluid exchange for use with a battery module that houses one or more battery modules. The exchange includes a supply conduit structure having a first supply egress residing between a first supply end portion and a second supply end portion. The supply conduit structure is configured to receive a cooling fluid at the first supply ingress and direct the cooling fluid out of the supply conduit structure through the first supply egress. The exchange also includes a return conduit structure having a first return ingress residing between the first return end portion and the second return end portion. The return conduit structure is configured to receive the cooling fluid at the first return ingress and direct the cooling fluid to the first return egress.
Absstract of: US20260196680A1
The negative electrode has a non-opposing part that is wound at least 1.25 rounds. The non-opposing part includes: a negative electrode mixture layer formation part which is wound at least 0.5 rounds, and a negative electrode core body exposed part. A negative electrode lead is connected to the negative electrode core body exposed part. The average thickness of a protruding part which protrudes from the negative electrode core body exposed part to an outer can bottom part side is greater than the average thickness of a connection part which is connected to the negative electrode core body exposed part.
Absstract of: US20260196572A1
The negative electrode includes a non-facing portion which is wound 1.25 turns or more without facing the positive electrode. The non-facing portion has: a negative electrode mixture layer forming portion and a negative electrode core body exposed portion. A negative electrode lead is connected to the negative electrode core body exposed portion along a direction inclined at an angle θ with respect to the width direction of the negative electrode. In the width direction of the negative electrode, the length of a portion, of the negative electrode lead, connected to the negative electrode core body exposed portion is at least 70% the width of the negative electrode.
Nº publicación: US20260196573A1 09/07/2026
Applicant:
NINGDE AMPEREX TECH LIMITED [CN]
NINGDE AMPEREX TECHNOLOGY LIMITED
Absstract of: US20260196573A1
0000 An electrode assembly is formed by winding a positive electrode plate, a separator, and a negative electrode plate that are stacked. The positive electrode plate includes a positive tab, a positive current collector, and a positive active material layer. A thickness of the positive current collector is T1, and a width of the positive current collector is W1. Along a first direction, a distance from the positive tab to a first termination end is A. Along a second direction, a distance from the positive tab to a first start end is B. The negative electrode plate includes a negative tab, a negative current collector, and a negative active material layer. A thickness of the negative current collector is T2, and a width of the negative current collector is W2. Along the first direction, a distance from the negative tab to the second termination end is C. Along the second direction, a distance from the negative tab to the second start end is D, satisfying: 0.8≤A/(T1×W1)+D/(T2×W2)/B/(T1×W1)+C/(T2×W2)≤1.2.
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