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1488
results.
Updated on
17/07/2025 [07:21:00]
Results 775 to 800 of 1488
Absstract of: WO2025138762A1
An integrated cap reshaping, grinding and replacement module, and an apparatus. The integrated cap reshaping, grinding and replacement module comprises a main unit mechanism (1), a reshaping mechanism (2), a grinding mechanism (3) and a cap replacement mechanism (4), wherein the main unit mechanism (1) comprises a mounting surface (111); the reshaping mechanism (2) is configured to extrude an electrode cap; the grinding mechanism (3) is configured to cut the electrode cap; the cap replacement mechanism (4) is configured to dismount or mount the electrode cap; and the reshaping mechanism (2), the grinding mechanism (3) and the cap replacement mechanism (4) are all arranged on the mounting surface (111) and are spaced apart from each other.
Absstract of: WO2025142279A1
According to the present invention, after setting communication IDs to module controllers (MC1-MCm), a string controller (SC) executes arrangement identification processing. The arrangement identification processing includes: transmission processing for transmitting, to any one of the module controllers (MC1-MCm), a control signal for allowing switches (S31-S3m) to make a connection; acquisition processing for acquiring a measured value by a voltage sensor (12) in a state in which the switches (S31-S3m) make connections; and identification processing in which the module controllers (MC1-MCm) identify an arrangement in the string (St) of the corresponding storage battery modules (M1-Mm) in accordance with the acquired measured value by the voltage sensor (12).
Absstract of: WO2025142398A1
The present invention comprises: a battery 4; an electric motor M1 that transmits power to traveling devices 10,11 using the power of the battery 4; a temperature regulating means H that regulates the temperature of the battery 4 using electricity; and a temperature detecting means 4B that detects the temperature of the battery 4. The temperature regulating means H operates to increase the temperature of the battery 4 if the temperature detected by the temperature detecting means 4B is lower than a first set temperature.
Absstract of: WO2025142574A1
A secondary battery (10) comprises a bottomed cylindrical exterior body (16) that has an opening part, a sealing body (18) for sealing the opening part, an electrode body 12 that is accommodated in the exterior body (16), an electrolytic solution that is accommodated in the exterior body (16), and an insulating member (20) that is accommodated in the exterior body (16). The secondary battery (10) is characterized in that: the exterior body (16) has a groove part (26) formed therein, where a part of a side surface of the exterior body (16) is recessed inward thereof to support the sealing body (18); the insulating member (20) has a flat plate part (22) positioned between the electrode body (12) and the groove part (26), and a protruding part (24) protruding from the sealing body-side surface of the flat plate part (22), the protruding part (24) contacting the inner wall of the groove part (26); and the length of the protruding part (24) from one end of the protruding part (24) on the flat plate part (22) side to the tip of the protruding part (24) is longer than the length in the vertical direction from the sealing body-side surface of the flat plate part (22) to the upper surface of the groove part (26) on the inner wall side.
Absstract of: WO2025142573A1
Provided is a nonaqueous electrolyte secondary battery which is provided with an electrode body that is obtained by winding a positive electrode (11) and a negative electrode along the long-side direction of the electrodes with a separator being interposed therebetween, the nonaqueous electrolyte secondary battery being characterized in that: the positive electrode (11) has a belt-shaped positive electrode current collector (32), a positive electrode mixture layer (34) disposed on both surfaces of the positive electrode current collector (32), and a pair of exposure parts (36a, 36b) in which both surfaces of the positive electrode current collector (32) are exposed; a positive electrode tab (20) is joined to the exposure part (36a); a first protective layer (38) is disposed on the positive electrode (11) so as to cover the exposure part (36a); a second protective layer (40) is disposed on the positive electrode (11) so as to cover the exposure part (36b); and, with respect to the first protective layer (38), end parts (38a, 38b) that extend in the short-side direction of the positive electrode (11) are each formed in a non-linear shape in a plan view seen from the thickness direction of the positive electrode (11).
Absstract of: WO2025138606A1
A cover plate assembly (10), a battery cell (103), a battery (100) and an electric device. The cover plate assembly (10) comprises a cover plate body (11) and an elastic sealing member (12), wherein the cover plate body (11) is provided with an electrolyte injection hole (11a), a flow guide hole (11b) and a mounting space (11c); both the electrolyte injection hole (11a) and the flow guide hole (11b) are in communication with the mounting space (11c), and an inlet of the electrolyte injection hole (11a) and an outlet of the flow guide hole (11b) are located on two opposite sides of the cover plate body (11) in the direction of the thickness of the cover plate body (11); at least part of the elastic sealing member (12) is arranged in the mounting space (11c) and can elastically deform in an extension direction of the electrolyte injection hole (11a); in a sealed state, an inner wall of the position where the mounting space (11c) is in communication with the electrolyte injection hole (11a) hermetically fits with the elastic sealing member (12), so as to block an outlet of the electrolyte injection hole (11a); and in a communication state, the elastic sealing member (12) is compressed in an extension direction of the electrolyte injection hole (11a) under force, such that the inner wall of the position where the mounting space (11c) is in communication with the electrolyte injection hole (11a) is separated from the elastic sealing member (12). The cover plate assembly (10) is pr
Absstract of: WO2025138203A1
Disclosed in the present application are a cover plate, a battery, and a battery pack. The cover plate comprises a body and an anti-explosion structure; the body comprises a first sub-portion and a second sub-portion, wherein the second sub-portion comprises a recessed platform and a protruding platform that are connected together, the second sub-portion has a first side face and a second side face that are opposingly arranged, and the height of the protruding platform is higher than the recessed platform and the first sub-portion; an anti-explosion recess is arranged on the first side face, a first sub-recess of the anti-explosion recess is at least partially located on the recessed platform, and a second sub-recess of the anti-explosion recess is located on the protruding platform.
Absstract of: WO2025138191A1
A lithium iron phosphate material, and a preparation method therefor and the use thereof. The lithium iron phosphate material comprises a lithium iron phosphate particle A, a lithium iron phosphate particle B and a lithium iron phosphate particle C, wherein the particle A is formed by agglomerating primary particles A1, and the average particle size of the primary particles A1 is 50-300 nm; the particle B is formed by agglomerating primary particles B1, and the average particle size of the primary particles B1 is 600-1000 nm; the particle C is formed by means of agglomerating primary particles C1, and the average particle size of the primary particles C1 is 1200-1500 nm; and the mass ratio of the particle A to the particle B to the particle C is (4-7):(1-2):(2-4). The lithium iron phosphate material has the advantages of high compaction density and good electrochemical performance, and the preparation method therefor is simple.
Absstract of: WO2025138379A1
Disclosed in the present application are an immersion cooling device and a battery pack. The immersion cooling device comprises: a cooling pipe, which comprises two ends oppositely arranged in a first direction and a body portion located between the two ends, wherein an inlet is formed at one end, and a plurality of outlets arranged at intervals are formed in a side wall of the body portion; and two supporting assemblies, which respectively support the two ends of the cooling pipe, wherein the two supporting assemblies and the cooling pipe are configured to enclose a cooling area together with two battery modules located on two opposite sides of the two supporting assemblies; and the cooling area is in communication with the plurality of outlets.
Absstract of: WO2025138365A1
A composite copper current collector and a preparation method therefor, and a lithium ion battery. The composite copper current collector comprises: a polymer base film; a bonding layer provided on at least one surface of the polymer base film; and a composite copper layer provided on the surface of the side of the bonding layer relatively distant from the polymer base film, wherein the composite copper layer is formed by alternately laminating amorphous copper layers and crystalline copper layers. By constructing a multi-layer structure in which the amorphous copper layers and the crystalline copper layers are alternately arranged, during a battery nail penetration test, the amorphous copper layers are prone to forming cracks that rapidly spread to the periphery, thereby causing extensive fracture and fragmentation of adjacent crystalline copper layers. Therefore, separation of the composite copper layer and a steel nail is achieved, the formation of a closed loop due to conduction between positive and negative current collectors and battery thermal runaway caused thereby are avoided, thereby improving the safety performance of the battery.
Absstract of: WO2025138252A1
The present disclosure relates to the technical field of batteries, and specifically relates to a battery. The battery comprises a positive electrode sheet and an electrolyte. The electrolyte comprises a cyanophosphate compound, which has one or more of the structures represented by formulas (I), (II) and (III), wherein R1, R2, R3, R4, R5, R6, R7, R8 and R9 are each independently selected from an alkyl, an alkenyl, an alkynyl, and an ether group. On the basis of the total weight of the electrolyte, the weight content of the cyanophosphate compound is D wt%. The positive electrode sheet comprises a lithium cobalt oxide material; and as for the crystal structure of the lithium cobalt oxide material, A = △I003/△I101+△I003/△I104, and thus the battery satisfies: 1.2≤A/D≤4.2. The battery of the present disclosure has high cycling stability, good storage performance and high safety under high voltages.
Absstract of: WO2025138760A1
An electrode cap replacement device, comprising a mounting frame (1), a connecting base (2), a cap removal module (3) and elastic members (4), wherein the cap removal module (3) is arranged on the connecting base (2), and the connecting base (2) is connected to the mounting frame (1) by means of the elastic members (4); the cap removal module (3) is provided with a cap removal through hole (30) into which an electrode rod extends; the axis direction of the cap removal through hole (30) is a first direction (X); and in the first direction (X), one end of each elastic member (4) is connected to the mounting frame (1), and the other end is connected to the connecting base (2), that is, the connecting base (2) is flexibly connected to the mounting frame (1).
Absstract of: WO2025138683A1
An electrode sheet, a battery cell, and a lithium battery, relating to the technical field of lithium batteries. The electrode sheet comprises a current collector and an active coating. The electrode sheet comprises an uncoated foil area, a single-sided coated area in which one side surface of the current collector is coated with the active coating, and a double-sided coated area in which two side surfaces of the current collector are coated with the active coating. A corrugated portion is provided in the uncoated foil area, the corrugated portion is connected to the single-sided coated area, and the corrugated portion is provided with serrated or arc-shaped creases. The battery cell comprises an anode sheet, a separator, and a cathode sheet, the anode sheet using the electrode sheet. The lithium battery comprises the battery cell. By means of said technical solution, the problem that a single-sided coated area of an existing lithium battery electrode sheet is prone to wrinkling after being wound is solved, the safety of battery cells is improved, and energy density loss of battery cells is avoided.
Absstract of: WO2025138690A1
Disclosed in the present application are a metal foil, a circuit board, a copper-clad laminate, a negative electrode material for a battery, and a battery. The metal foil comprises a first surface and an opposing second surface, where the average grain size of a metal on the first surface is less than the average grain size of a metal on the second surface. With respect to the metal foil, circuit board, copper-clad laminate, negative electrode material for a battery, and battery of the present application, by means of sensible planning the average grain sizes of the metal foil, the metal foil has been made to possess good corrosion resistance and anti-side corrosion properties, over-etching by an etching solution causing a metal circuit to have an upside-down trapezoidal shape can be effectively prevented, the quality of the metal foil is effectively improved, and the electrical properties of a circuit board are guaranteed.
Absstract of: WO2025142545A1
A method of producing a regenerated positive electrode active material, said method including mixing a lithium-deficient positive electrode active material (a), a lithium compound (b), and a reducing agent (c) to replenish lithium in the lithium-deficient positive electrode active material (a) and obtain a regenerated positive electrode active material, wherein the redox potential of the reducing agent (c) is 1.80-3.00 eV vs Li+/Li.
Absstract of: WO2025142520A1
Provided is a cooling heat exchanger which has a novel structure, and is capable of tolerating a difference in deformation amount due to thermal expansion between a metallic cooling surface constituent member superposed on a cooling object and a synthetic resinous flow path member superposed on and fixed to the cooling surface constituent member. A cooling heat exchanger 10 has a lamination structure in which a metallic cooling surface constituent member 12 superposed on a cooling object B and a synthetic resinous flow path member 14 are superposed on each other, and a cooling flow path 58 through which a cooling heat medium flows is formed between the superposed surfaces of the cooling surface constituent member 12 and the flow path member 14. The cooling surface constituent member 12 and the flow path member 14 are bonded to each other by means of an adhesive layer 54 having elasticity in the outer peripheral regions. The cooling surface constituent member 12 and the flow path member 14 are fixed to each other by direct bonding without an adhesive in a direct bonding portion 44 provided in a central region of the flow path member 14.
Absstract of: WO2025142519A1
Provided is a cooling heat exchanger having a novel structure capable of achieving stable cooling performance over a wider area of a cooling surface in contact with an object to be cooled. A cooling heat exchanger 10 cools an object B to be cooled superimposed on a surface thereof by allowing a cooling heat medium to flow through an internally formed cooling flow path 38. The cooling flow path 38 comprises a supply flow path 40 to which the heat medium is supplied from the upstream side, and a discharge flow path 42 from which the heat medium is discharged from the downstream side. In the cooling flow path 38, a plurality of branch flow paths 44a to 44h connecting the supply flow path 40 and the discharge flow path 42 are provided in parallel, branching from a plurality of points in the length direction of the supply flow path 40. The plurality of branch flow paths 44a to 44h are partly provided with resistance adjustment parts 46a to 46h for adjusting the flow resistance of the heat medium, the flow resistance of the heat medium in the resistance adjustment parts 46 becoming smaller in the branch flow paths 44 that branch off further downstream of the supply flow path 40.
Absstract of: WO2025142544A1
Provided are: a regenerated positive electrode active material obtained by replenishing lithium in a lithium-deficient positive electrode active material (a), said regenerated positive electrode active material having an oxygen 1s core spectrum, as measured using XPS, in which the ratio of the peak intensity in the region from not less than 528 eV but less than 530 eV to the peak intensity in the region from not less than 530 eV but less than 535 eV is 0.0005 or less; a lithium ion secondary battery containing the regenerated positive electrode active material; and a method of producing a regenerated positive electrode active material, said method including mixing the lithium-deficient positive electrode active material (a), a lithium compound (b) and a reducing agent (c) at proportions such that 0.13 ≤ (b)/(c) ≤ 2.80 (molar ratio) to obtain the regenerated positive electrode active material.
Absstract of: WO2025138407A1
An electric vehicle endurance system composed of battery formation and electrolyte injection, ventilation, and cooling systems, comprising a battery formation and electrolyte injection system, a battery case air filtration system and an annular battery cell cooling system which are arranged on an electric vehicle. When the electric vehicle is used, the temperature of an annular battery cell rises during operation of the annular battery cell, and the annular battery cell cooling system reduces the temperature of the annular battery cell. The battery case air filtration system is responsible for discharging and supplementing gas generated during the operation of the annular battery cell. The electrolyte lost during the operation of the annular battery cell is supplied by the battery formation and electrolyte injection system. The present application can simultaneously provide the following formation methods, i.e., low-temperature formation, small current formation and open formation; the formation process of the annular battery cell is delayed to the electric vehicle; and low-temperature formation, small current formation and open formation are realized on the electric vehicle. Battery cells and battery cases produced by means of the method are transported across countries and continents by air to designated locations for installation in electric vehicles before being formed.
Absstract of: WO2025138431A1
A positive electrode active material and a lithium-ion battery. The positive electrode active material is lithium iron phosphate coated with a carbon layer, and the ID/IG value of the positive electrode active material is 0.75-1.2. In the Raman spectrum of the positive electrode active material, the peak intensity at a wave number of 1360 cm-1 is used as ID, and the peak intensity at a wave number of 1580 cm-1 is IG.
Absstract of: WO2025138412A1
A balloon lamp power quick-release structure, comprising: a lamp base (100) supported on the ground; a battery module (200) sliding in a direction perpendicular to the ground and detachably connected to the lamp base (100), wherein the battery module (200) comprises a pole (201) and a plurality of batteries provided in the pole (201); and a locking assembly (300) fixing the pole (201) on the lamp base (100). By means of the motion of a handle (450), the apparatus can control the closure and output power magnitude of the batteries, which means that a user can regulate the degree of closure and brightness level of a light bulb by means of a simple mechanical mode, that is, the movement of the handle (450). A mechanical control switch structure is more durable and reliable, and easier to maintain, and may be more durable in some environments.
Absstract of: WO2025139257A1
An electrode film, an electrode sheet, and a battery. The electrode film comprises a fiber, the ratio of the length to the diameter of the fiber being L1, wherein L1 is 10-1,000, and preferably, L1 is 20-500. By limiting the composition of the electrode film and the length-diameter ratio of the fiber, the structural strength and bonding property of the electrode film can be remarkably improved, thereby ensuring that all components in the electrode film are kept in a good bonding state; and by applying the electrode film to a battery, the cycle performance and rate performance of the battery can be remarkably improved.
Absstract of: WO2025139248A1
A battery assembly and a temperature control method therefor, an electric system and a controller. The battery assembly comprises a battery and a temperature regulating assembly, wherein the temperature regulating assembly is arranged on one side of the battery to exchange heat with the battery, the temperature regulating assembly is provided with a liquid flow plate which is provided with a liquid flow channel, and the liquid flow channel is provided with liquid inlets and a liquid outlet. The temperature control method comprises: acquiring a maximum value tmax and a minimum value tmin of the temperature of a battery; acquiring a difference △t of the maximum value tmax and the minimum value tmin; and when the difference △t is greater than a first threshold △t0, controlling a temperature regulating assembly to be in an on state, and controlling the liquid inlet temperature tb of a liquid flow plate to meet: tmin
Absstract of: WO2025139214A1
A cylindrical battery, comprising a battery casing (11), a battery post (12), and a corner sealing structure (13). The battery casing (11) has an accommodating chamber (111), and is provided with a mounting hole (113) leading to the accommodating chamber (111); the battery post (12) passes through the mounting hole (113), one end of the battery post (12) being located in the accommodating chamber (111); the corner sealing structure (13) passes through the mounting hole (113) and is located between the battery casing (11) and the battery post (12), one end of the corner sealing structure (13) being located in the accommodating chamber (111). The battery casing (11) is provided with an arc chamfer (112) at a corner of the junction between the mounting hole (113) and the accommodating chamber (111), and the corner sealing structure (13) can be compressively deformed so as to seal a gap between the battery post (11) and the battery casing (12) at the arc chamfer (112).
Nº publicación: WO2025139215A1 03/07/2025
Applicant:
SHENZHEN CAPCHEM TECH CO LTD [CN]
\u6DF1\u5733\u65B0\u5B99\u90A6\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8
Absstract of: WO2025139215A1
In order to solve the problem of continuous consumption of electrolytes caused by unstable film formation of negative electrodes of existing batteries, the present invention provides a lithium ion battery which comprises a positive electrode, a negative electrode and a non-aqueous electrolyte. The positive electrode comprises a positive electrode material layer, and the positive electrode material layer comprises a positive electrode active material and a lithium-rich oxide LixMm yOz, wherein M is at least one of Si, Cu, Co, Ni, Mn, Mo, Ru and Fe, 2≤x≤6, 0
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