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1089
results.
Updated on
22/08/2026 [07:48:00]
Results 725 to 750 of 1089
Absstract of: WO2026166311A1
The present application relates to the technical field of batteries, and discloses a mounting structure, a battery apparatus, and an electric device. The battery apparatus comprises a battery case, a plurality of battery cells arranged in the battery case, a case beam, and a mounting structure, wherein the battery case is provided with a connecting hole, and the mounting structure comprises a first locking member and a second locking member; one end of the first locking member is connected to the case beam, and the other end of the first locking member abuts against an inner wall of the battery case and is arranged around the connecting hole; and the second locking member is at least partially disposed outside the battery case, one end of the second locking member passes through the connecting hole and extends into the battery case so as to be connected to the first locking member, the end portion of the second locking member away from the first locking member is provided with an assembly hole, and the assembly hole is configured to be matingly connected to a fastener of a carrier. The technical solution provided in the present application can solve the problem of a high risk of airtightness failure of a battery apparatus.
Absstract of: US20260237822A1
A battery pack includes an electrode assembly, an electrode lead extending from the electrode assembly, and a battery case including a receiving portion configured to receive the electrode assembly, and a sealed portion sealed along an edge of the receiving portion, wherein a part of the sealed portion extends to form a handle.
Absstract of: US20260237848A1
0000 An all-solid-state battery having improves structural stability by ensuring that the shape and cross-section of a positive electrode layer, a solid electrolyte layer, and a negative electrode layer are identical in a unit cell in which the positive electrode layer, the solid electrolyte layer, and the negative electrode layer are stacked; and a method for manufacturing the all-solid-state battery.
Absstract of: US20260237680A1
0000 A current collector for a dry electrode includes a metal foil for the current collector, and a primer layer on at least one surface of the metal foil. The primer layer includes a binder resin and a conductive material. The conductive material has a bulk density of 0.055 g/ml or more, and a Brunauer, Emmett and Teller (BET) specific surface area of 100 m<2>/g or less. 0000 Also provided is an electrode including such a current collector and a lithium secondary battery including such an electrode.
Absstract of: US20260237841A1
A battery pack may include a plurality of battery cells; a pack case configured to accommodate the plurality of battery cells; and a blocking member having a module cover configured to cover an outer side of the battery cells, and configured to guide discharges released from the battery cell to an outer space of the module cover.
Absstract of: US20260235690A1
0000 A battery management apparatus includes a setting control unit configured to set a reference voltage that is a reference of determination of a risk caused by a rapid increase of gas, a measurement unit configured to measure a voltage of a battery cell, and a diagnosis unit configured to diagnose the battery cell as a dangerous cell in which a degree of risk caused by the rapid increase of gas is equal to or higher than a predetermined level when a state in which the voltage of the battery cell remains higher than the reference voltage for a first reference time or longer.
Absstract of: US20260237855A1
0000 An electrode assembly, a battery cell, a battery, and a power consuming apparatus. The electrode assembly includes a first electrode plate and a separator. The separator includes two separator layers formed by folding, and the two separator layers cover two opposite ends of the first electrode plate in a thickness direction thereof, respectively. The separator layer is provided with a first edge portion extending beyond an end portion of the first electrode plate in a width direction of the first electrode plate. The first edge portion is opposite to a folded end of the separator. The first edge portions of the two separator layers are connected to each other and form a first joint portion.
Absstract of: US20260237854A1
A battery cell, the battery, an electrical apparatus, a combination apparatus and method, and a processing device. The processing device is configured to process the battery, and includes the combination apparatus. The combination method includes: driving the combination apparatus to combine and fix a part of a separator to a first electrode plate and/or a second electrode plate. The electrical apparatus includes the battery. The battery includes the battery cell. The battery cell includes an electrode assembly. The electrode assembly includes the first electrode plate, the second electrode plate, and the separator. The first electrode plate and the second electrode plate are alternately stacked or are alternately stacked and wound. At least a part of the separator is disposed between the first electrode plate and the second electrode plate, and the part of the separator is combined with and fixed to the first electrode plate and/or the second electrode plate.
Absstract of: US20260237720A1
0000 Disclosed are a pressing apparatus for secondary battery formation capable of monitoring pressing force in real time such that pressing for formation can be performed while monitoring the contact area between a pressing plate and a battery in real time in order to solve a problem in which lithium is precipitated due to a change in pressing uniformity because the contact area of the battery is not confirmed during a formation process, which is one of secondary battery manufacturing processes, and a pressing method thereof.
Absstract of: WO2026166260A1
Provided are a lithium secondary battery and an electric device. The lithium secondary battery comprises a positive electrode sheet, a negative electrode sheet and an electrolyte. The negative electrode sheet comprises a negative electrode current collector and a negative electrode film layer provided on at least one side of the negative electrode current collector; the negative electrode film layer comprises a negative electrode active material; and the specific surface area a of the negative electrode active material satisfies: 2 m2/g ≤ a ≤ 5 m2/g. The electrolyte comprises propylene carbonate, a first additive and a compound of formula (I), wherein R is selected from halogen, and n is an integer selected from 1-6; and the first additive comprises at least one of ethylene sulfate, vinylene carbonate, fluoroethylene carbonate, 1,3-propanesultone, 1,3-propenesultone, tetravinylsilane or methylene methanedisulfonate. The lithium secondary battery has good low-temperature fast charging performance and cycle performance.
Absstract of: US20260237850A1
An electrode assembly including a positive electrode, a negative electrode, and a separator provided between the positive electrode and the negative electrode, in which a dry adhesive force of the separator to the negative electrode is greater than a dry adhesive force of the separator to the positive electrode is provided.
Absstract of: US20260237852A1
0000 Provided are a separator and an electrochemical device. The separator includes a porous base film and a heat resistant layer. The heat resistant layer is disposed on at least one surface of the porous base film, and includes inorganic particles and an adhesive agent. A surface static friction coefficient of the heat resistant layer is ≤0.8, and a bulk density A of the heat resistant layer satisfies: A=(0.4 to 0.5)×ρ, where ρ indicates a true density of the inorganic particles, in units of g/cm<3>. A heat resistant layer with dense stacking and flat surface is obtained by controlling the static friction coefficient and bulk density of the heat resistant layer, which may increase an effective contact area between the adhesive particles in the heat resistant layer and the electrode sheet, thereby increasing the adhesive force between the separator as a whole and the electrode sheet.
Absstract of: US20260237851A1
Disclosed are a separator and an electrochemical device, specifically relating to the battery technology field. The separator includes a porous base film, a heat-resistant layer and an adhesive layer, wherein the heat-resistant layer is disposed on at least one surface of the porous base film. The adhesive layer is at least disposed on a surface of the heat-resistant layer opposite to a surface in contact with the porous base film. An effective adhesion degree R-value of the separator on a side where the heat-resistant layer is provided is 40%-80%, and a difference between a maximum value and a minimum value of the effective adhesion degree R-value is <30%; wherein the effective adhesion degree R-value indicates a ratio of an effective adhesion area to a theoretical adhesion area of the separator.
Absstract of: AU2024410760A1
A battery tray (100) and a battery assembly. The battery tray (100) comprises: a frame (21), the frame (21) being arranged in a surrounding manner to define a battery accommodating cavity inside the frame (21); a heat exchange plate (1), the heat exchange plate (1) being arranged at the bottom of the frame (21) and closing the battery accommodating cavity; and an extension plate (11), the extension plate (11) being connected to the heat exchange plate (1) and protruding beyond the outer periphery of the frame (21), wherein a cooling flow channel adapted to exchange heat from the battery accommodating cavity is formed inside the heat exchange plate (1), and a water inlet (10) and a water outlet (20) being in communication with the cooling flow channel are formed on the extension plate (11).
Absstract of: US20260237869A1
An electrode plate includes a current collector. On a side in a width direction of the current collector, the current collector is provided with a plurality of first slots and a plurality of second slots. Each of the first slots is provided with one tab or two tabs that are spaced, and the second slot is provided with no tab. In a length direction of the current collector, an odd number of second slots are provided between adjacent two of the first slots.
Absstract of: US20260238361A1
A diagnostic method for radio communication quality and a battery management system providing the same. The battery management system may include a communication unit that receives a radio signal including battery information; an RSSI measurement unit that measures a received signal strength indicator (RSSI) of the radio signal; a preprocessing unit that calculates an average for the RSSI for each measurement cycle and calculates a moving average for each measurement cycle based on averages for a predetermined number of measurement cycles for each measurement cycle to derive a compensated RSSI; and a quality diagnosis unit that diagnoses radio communication quality based on the compensated RSSI.
Absstract of: US20260237754A1
A battery, an energy storage device, and an energy storage system. The battery includes a positive electrode sheet, a separator, and a negative electrode sheet. The separator is disposed between the positive electrode sheet and the negative electrode sheet. The separator includes a substrate film, a first adhesive layer, and a second adhesive layer. The first adhesive layer is disposed between the substrate film and the positive electrode sheet for bonding the substrate film to the positive electrode sheet, and the second adhesive layer is disposed between the substrate film and the negative electrode sheet for bonding the substrate film to the negative electrode sheet.
Absstract of: US20260237742A1
0000 An electrochemical apparatus includes a positive electrode, a negative electrode, and an electrolyte. The positive electrode includes a positive electrode current collector and a positive electrode active material layer located on at least partial surface of the positive electrode current collector. The positive electrode active material layer has a compacted density of pd mg/cm<3>, where 2.6≤pd≤2.86. Based on a mass of the electrolyte, the electrolyte includes: ethylene carbonate with a mass percentage of A %, propylene carbonate with a mass percentage of B %, diethyl carbonate with a mass percentage of C %, ethyl propionate with a mass percentage of D %, and propyl propionate with a mass percentage of E %; where 1≤B/A≤8, and 5≤(E+D)/C≤14.
Absstract of: US20260237744A1
An electrochemical apparatus has a volumetric energy density of 850 Wh/L to 900 Wh/L and includes a positive electrode, a negative electrode, and an electrolyte. Based on a mass of the electrolyte, the electrolyte includes ethylene carbonate with a mass percentage of A %, propylene carbonate with a mass percentage of B %, ethyl propionate with a mass percentage of C %, and propyl propionate with a mass percentage of D %; where 0.02≤(A+B)/(C+D)≤0.5 and 1≤D/C≤10.
Absstract of: US20260235688A1
A battery internal resistance estimating apparatus includes a storage unit and a control unit. The storage unit stores a plurality of battery charging information items which is obtained during charging of a battery with a plurality of constant currents. The control unit reads multiple battery charging information items having an initial SOC identical to a target initial SOC from among the plurality of battery charging information items and determines whether there is any battery charging information item corresponding to a constant current identical to a target constant current among the multiple read battery charging information items. The control unit estimates the internal resistance of the battery according to the target initial SOC and the charging with the target constant current, using two battery charging information items corresponding to two constant currents close to the target constant current, when it is determined that there is no battery charging information item according to a constant current identical to the target constant current. A method utilizing the same is also provided.
Absstract of: US20260237729A1
The present invention relates to an all-solid-state battery, which comprises: a cathode comprising a cathode active material layer, an anode; a solid electrolyte layer disposed between the cathode and the anode and containing a solid electrolyte and a polymer matrix, wherein the thickness (b) of the solid electrolyte layer is 30-100 μm; and the polymer matrix is disposed in the solid electrolyte layer at a predetermined distance (a) from an interface in contact with the cathode, the predetermined distance (a) and the thickness (b) of the solid electrolyte layer satisfy the relationship of expression 1 below.0.05<(a/b)<0.5Expression1
Absstract of: WO2026166217A1
A lithium secondary battery and an electrical device. The lithium secondary battery comprises a positive electrode sheet, a negative electrode sheet, and an electrolyte. The positive electrode sheet comprises a positive electrode current collector and a positive electrode film layer disposed on at least one side of the positive electrode current collector. The positive electrode film layer comprises a positive electrode active material. The positive electrode active material comprises lithium-containing transition metal phosphate particles. The lithium-containing transition metal phosphate particles comprise lithium iron phosphate particles. The lithium iron phosphate particles comprise a doping element Q. The doping element Q comprises one or more of W, Al, Na, K, Mg, Cu, Mn, Cr, Zn, Pb, Ca, Co, Ni, Sr, Nb, V, Ti, B, S, Si, N, F, Cl, Br, or Zr. The electrolyte comprises propylene carbonate and a compound represented by formula I, where R is selected from halogen, and n is an integer selected from 1 to 6. The lithium secondary battery has good low-temperature fast-charging performance while also achieving excellent cycling stability.
Absstract of: WO2026166374A1
A battery cell, a battery pack, and an electric device. The battery cell comprises a casing (10) and an inner core (20); the casing (10) comprises a main body portion (11), and a first cover plate (12) and a second cover plate (13) connected to the main body portion (11); the main body portion (11), the first cover plate (12), and the second cover plate (13) define an accommodating cavity (14); the first cover plate (12) and the second cover plate (13) are arranged opposite to each other; the first cover plate (12) is provided with an explosion-proof valve (121); and the second cover plate (13) is provided with poles (131).
Absstract of: US20260235695A1
0000 An apparatus for diagnosing a battery includes a profile obtaining unit configured to obtain a first differential profile based on a differential voltage of the battery and capacity of the battery corresponding to a charging process and a second differential profile based on the differential voltage of the battery and capacity of the battery corresponding to a discharging process; and a control unit configured to calculate a number of charging peaks included in a first capacity section from the first differential profile, calculate a number of discharging peaks included in a second capacity section from the second differential profile, and diagnose a state of the battery based on the number of charging peaks and the number of discharging peaks.
Nº publicación: US20260235692A1 13/08/2026
Applicant:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd.
Absstract of: US20260235692A1
0000 A battery management apparatus according to an embodiment of the present disclosure includes a profile acquisition unit configured to acquire a differential profile indicating a correspondence relationship between voltage and differential capacity of a battery; and a control unit configured to determine a target peak from among a plurality of peaks included in the differential profile, determine a remaining peak that is other than the target peak among the plurality of peaks as a reference peak, compare a differential capacity of the target peak with a differential capacity of the reference peak, determine a voltage of interest based on a result of the differential capacity comparison, and estimate a degree of degradation of the battery based on a capacity of interest of the battery corresponding to the voltage of interest.
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