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1358
results.
Updated on
24/12/2025 [07:24:00]
Results 325 to 350 of 1358
Absstract of: WO2025255939A1
Provided in the embodiments of the present disclosure are a battery grouping device, a production line, and a battery grouping method. The battery grouping device comprises a first conveying module, a grouping module, a second conveying module and a pressurizing module. The first conveying module is configured to convey a plurality of battery cells. The grouping module comprises a grouping platform, a pressing mechanism and a feeding mechanism. The feeding mechanism comprises a first driving member and a feeding member. The feeding mechanism pushes the battery cells on the first conveying module to the grouping platform, and the pressing mechanism is capable of selectively pressing the battery cells located on the grouping platform. The feeding mechanism is capable of pushing the battery cells on the grouping platform to the second conveying module to be combined into a battery pack, and small surfaces of adjacent battery cells in the battery pack are in contact with each other. The pressurizing module comprises a pressurizing mechanism. The second conveying module is configured to convey the battery pack to the pressurizing module. The pressurizing mechanism is configured to pressurize the battery pack in a first direction.
Absstract of: WO2025258977A1
The purpose of the present invention is to provide a system for cutting an electrode (10) (negative/positive), which is conveyed via a reel, at a predetermined pitch during notching process in a secondary battery manufacturing process. The configuration of the present invention includes: an electrode supply unit (120) configured to supply the electrode (10) of a secondary battery; an electrode feeder (130) configured to feed the electrode (10) supplied from the electrode supply unit (120) for cutting; a primary cutting part (140) configured to primarily cut the electrode (10) supplied by the electrode feeder (130); and a secondary cutting part (150) configured to secondarily cut the electrode (10) supplied from the primary cutting part (140). The effect of the present invention is that equipment which cuts the electrode (10) supplied in a reel form at an ultra-high speed with a predetermined pitch according to the specification of a product to be produced, performs a visual inspection, and then loads good and defective products into magazines can be used to achieve at least twice the production volume of conventionally used equipment.
Absstract of: WO2025258994A1
A battery cell of the present invention comprises: an electrode assembly in which a first electrode, a second electrode and a separator interposed therebetween are wound around a winding axis; a can for accommodating the electrode assembly through an open end formed on one side thereof; a lead covering the open end, and having an injection port formed at the center thereof; and a sealing member for sealing the injection port, wherein the sealing member can include: a close contact portion press-fitted into the injection port so as to be into close contact with the inner circumferential surface of the injection port; and a welding portion welded to the inner circumferential surface of the injection port.
Absstract of: WO2025258923A1
The present invention provides a battery cell defect inspection system comprising: a voltage measurement unit (200) for measuring a first voltage (V1) and a second voltage (V2) of a target battery cell in a no-load state at a predetermined time interval; a capacity calculation unit (300) for calculating a capacity change amount corresponding to a voltage change from the first voltage (V1) to the second voltage (V2) by using first correlation information, which is pre-stored correlation information between the voltage and capacity of a reference battery cell; and a defect inspection unit (400) for inspecting the defect of the target battery cell on the basis of the capacity change amount. The first correlation information may be obtained by discharging the reference battery cell at a speed greater than 0 and less than or equal to a value obtained by multiplying a first speed by P (P=2). An absolute value of a voltage difference (E) between bottoms (B) corresponding to each other or a voltage difference (E) between peaks (P) corresponding to each other of two differential profiles respectively corresponding to the two pieces of correlation information obtained while discharging the reference battery cell at the first speed and a second speed obtained by multiplying the first speed by r (0<=r<= 1/2) may be d (d=|V1-V2|*q, q=1/30) or less.
Absstract of: WO2025255927A1
The present application provides a battery cell, a battery and an electrical device. The battery cell comprises a casing, an electrode terminal, an electrode assembly, and a current collecting member. The electrode terminal is provided on the casing. The electrode assembly is accommodated in the casing, and the end of the electrode assembly facing the electrode terminal is provided with a first tab. The current collecting member is accommodated in the casing and disposed on the side of the first tab facing the electrode terminal; the current collecting member comprises a first current collecting portion and a second current collecting portion connected to the first current collecting portion; the first current collecting portion is welded to the electrode terminal; the second current collecting portion is connected to the tab; and the thickness of the first current collecting portion is greater than that of the second current collecting portion.
Absstract of: WO2025255929A1
A current collector preparation device (100), a current collector preparation method, and a battery cell production line (1000). The current collector preparation device (100) comprises an unwinding mechanism (10), a winding mechanism (20), and coating mechanisms (30); the unwinding mechanism (10) is configured to unwind a base film (200) of a current collector (300); the winding mechanism (20) is arranged downstream of the unwinding mechanism (10) and is configured to wind the prepared current collector (300); the coating mechanisms (30) are arranged between the unwinding mechanism (10) and the winding mechanism (20), and each coating mechanism (30) comprises a plurality of coating assemblies (301); and the plurality of coating assemblies (301) are arranged in a transporting direction of the base film (200) and are respectively configured to release different substances onto the base film (200) to form a plurality of film layers on the surface of the base film (200), and substance release areas of at least two coating assemblies (301) partially overlap.
Absstract of: WO2025256052A1
The present application relates to a drying system and a battery production apparatus. The drying system comprises a turntable, a plurality of drying boxes and a first transfer member. The plurality of drying boxes are arranged at intervals in the rotation direction of the turntable, and are used for drying battery cells. The first transfer member is arranged on the turntable, and is at least used for driving the battery cells into and out of the drying boxes. Embodiments of the present utility model provide a drying system and a battery production apparatus, which can reduce the floor space of the drying system, thereby improving the overall space utilization rate of the system and the battery production efficiency.
Absstract of: WO2025258993A1
The technical idea of the present invention comprises: a base frame; a first cell assembly provided on the main surface of the base frame and including a plurality of first battery cells stacked in the vertical direction perpendicular to the main surface of the base frame and a first sidewall attached to the plurality of first battery cells; and a second cell assembly provided on the main surface of the base frame and including a plurality of second battery cells stacked in the vertical direction, wherein the first sidewall includes a venting adjustment portion configured to adjust a venting direction of gas discharged from the plurality of second battery cells, and the venting adjustment portion includes inclined surfaces provided on a surface of the first sidewall facing the plurality of second battery cells and inclined with respect to the vertical direction.
Absstract of: WO2025258981A1
The present invention relates to: a gel polymer electrolyte-separator composite for an electrochemical device; and an electrochemical device comprising same. According to the present invention, provided are: a gel polymer electrolyte-separator composite for an electrochemical device, the gel polymer electrolyte-separator composite being capable of preventing the occurrence of internal short circuits caused by the growth of lithium dendrites; and an electrochemical device comprising same.
Absstract of: WO2025258913A1
The technical idea of the present invention provides a coating apparatus comprising: a coating die including a manifold accommodating a first coating solution and a die lip having a discharge port for discharging the first coating solution; and a coating shim disposed in the coating die, wherein the coating shim includes: a body shim including a center body and a first side body, the center body being spaced apart from the die lip with the manifold therebetween, and the first side body extending from the center body toward the die lip and not overlapping the manifold; and a first spacer shim extending between the center body and the die lip, the first spacer shim including an inner portion overlapping the manifold and an outer portion disposed between the manifold and the first side body.
Absstract of: WO2025258448A1
The present disclosure provides: an adhesive for a power storage device packaging material, the adhesive exhibiting, even at a low coating amount, high impact resistance after molding and after a wet heat resistance test that is harsher than in the past; a packaging material for a power storage device, the packaging exhibiting excellent impact resistance; a container for a power storage device; and a power storage device. The adhesive for a power storage device packaging material according to the present disclosure is constituted from at least a polyester polyol (A) and a polyisocyanate (B). The polyester polyol (A) contains 10-60 mol% of constituent units derived from a polyhydric alcohol (a1) having a melting point of 10-50ºC. In a cured product, the storage elastic modulus at 25°C (Er25 MPa) and the storage elastic modulus at 60°C (Er60 MPa) satisfy conditions (i) and (ii). Condition (i): Er60 is 50-1000 MPa. Condition (ii): Er25 and Er60 satisfy the relationship 1≤(Er25-Er60)/Er60≤7.
Absstract of: WO2025259092A1
The present invention relates to an electrode resistance measurement device. The objective of the present invention is to provide an electrode resistance measurement device comprising: a first terminal unit, which is in direct contact with an exposed surface of an electrode layer so as to be electrically connected thereto; a second terminal unit, which is in direct contact with a current collector so as to be electrically connected thereto; and a resistance measurement unit for measuring the electrical resistance between the first terminal unit and the second terminal unit, wherein the first terminal unit has a surface, which is in contact with the electrode layer and is formed as a microporous layer, and the second terminal unit includes a fixed means fixed to an uncoated part of the current collector, and thus through-plane resistance of the electrode layer formed on one surface of the current collector can be measured.
Absstract of: WO2025259085A1
A non-contact liquid heat dissipation material remixing device and a liquid heat dissipation material remixing method using same according to the present invention can optimize a remixing process by controlling process conditions while suppressing phase separation of a heat dissipation material through the remixing process of the liquid heat dissipation material. In particular, by adjusting the rotation time and rotation direction of the heat dissipation material and the inclination of a container containing the material, the miscibility of a polymer resin and thermally conductive particles can be increased and heat dissipation characteristics can be improved.
Absstract of: WO2025258905A1
The present invention relates to a dry electrode binder composition for a secondary battery, the dry electrode binder composition comprising cellulose functionalized to have an ionic functional group or a polar functional group bonded thereto. Accordingly, the composition makes it possible to manufacture a dry electrode without a fluorine-based binder. Moreover, the composition not only has excellent dispersibility and adhesion compared to a PTFE binder used as a conventional dry electrode binder, but also exhibits excellent electrolyte wettability through the interaction between an electrolyte and cellulose, thus making it possible to form a stable electrode-electrolyte interface. As a result, it is possible to manufacture a high-capacity thick film electrode, achieve a secondary battery having high energy density, and prepare for restrictions on the use of perfluorinated compounds.
Absstract of: WO2025258817A1
A battery module according to one embodiment of the present invention comprises: a battery cell stack formed by stacking a plurality of battery cells; and a bus bar frame which covers at least one surface of the battery cell stack, and on which at least two terminal bus bars electrically connected to the battery cell stack are mounted, wherein the terminal bus bar includes at least one coupling slit for electrical connection with an external component.
Absstract of: WO2025258937A1
Provided are a negative electrode for a lithium metal battery and a lithium metal battery comprising same, the negative electrode comprising: a negative electrode current collector; and a protective layer disposed on the negative electrode current collector, wherein the protective layer comprises large particles and small particles, and the large particles and the small particles include a concentration gradient formed in the thickness direction of the protective layer.
Absstract of: WO2025258700A1
A power storage device 10 includes: an electrolyte 12 containing a lithium imide salt and an organic solvent; a container 11 filled with the electrolyte 12; a positive electrode 30 which includes a compound containing lithium atoms that are ionized in the electrolyte 12 and that are involved in charge and discharge; a negative electrode 20 which is arranged in the electrolyte, includes a metal substrate 23 constituting a collector 21, and is configured so that a layer where the lithium atoms are deposited is formed on the surface of the negative electrode during charging; and a separator 15 which has electric insulation properties, divides the inside of the container 11 into a first electrode chamber 16 where the negative electrode is disposed and a second electrode chamber 17 where the positive electrode 30 is disposed, and transmits lithium ions moving between the first electrode chamber 16 and the second electrode chamber 17.
Absstract of: WO2025258236A1
This refrigeration cycle device comprises a main refrigeration cycle (10), a sub-refrigeration cycle (20), and a heat medium circuit (30). The main refrigeration cycle (10) has a main compression unit (11), a first main evaporation unit (15), and a second main evaporation unit (16). The sub-refrigeration cycle has a sub-compression unit (21) and a sub-evaporation unit (26). The heat medium circuit (30) has a low temperature-side heat medium circuit (301) in which a second temperature adjustment heat exchange unit (80a) is disposed. In a second object normal cooling mode, the main compression unit (11) is stopped, the sub-compression unit (21) is operated, and the heat medium cooled by the sub-evaporation unit (26) is made to flow into the second temperature adjustment heat exchange unit (80a). In a second object large cooling mode, the main compression unit (11) is operated, the sub compression unit (21) is operated, and the heat medium cooled by the second main evaporation unit (16) and the heat medium cooled by the sub-evaporation unit (26) are made to flow into the second temperature adjustment heat exchange unit (80a).
Absstract of: WO2025258766A1
The present invention relates to a battery pack which comprises: a pack housing; a plurality of cell blocks accommodated in the pack housing and configured by stacking a plurality of battery cells; and a support members provided between adjacent cell blocks to support the adjacent cell blocks and including a plurality of assembly parts engaged with each other, wherein blocking parts are provided between the assembly parts to block transfer of heat or flame between the adjacent cell blocks.
Absstract of: WO2025257849A1
The present disclosure relates to a field of lithium-ion batteries Particularly, the present disclosure relates to a silicon polymer hydrogel composite material for electrode. The present disclosure also relates to a process of preparation of a silicon polymer hydrogel composite material using a sol-gel-polymerization. The present disclosure also provides a silicon polymer hydrogel composite anode electrode and its method of preparation. More particularly, the present disclosure provides a lithium-ion battery. A cycle life analysis of a liquid electrolyte system over 500 cycles at a rate of 0.1 Ag-1 was conducted, achieving a specific capacity of 534mAh g-1. Additionally, the specific capacity of a quasi-solid electrolyte system over 100 cycles at the same rate was investigated, which achieved a capacity of 717 mAh g-1.
Absstract of: WO2025258765A1
Disclosed are a battery pack case and a battery pack and vehicle comprising same, the battery pack case comprising: a base plate which forms one surface of the battery pack case and has a through-hole communicating the interior space of the battery pack case with the outside; and an outer plate which is disposed so as to be spaced apart from an outer surface of the base plate, shields the through-hole to prevent same from being exposed to the outside, and creates a separation space between the outer plate and the base plate.
Absstract of: WO2025258768A1
Disclosed are a battery pack case, a battery pack, and a vehicle comprising same, the battery pack case comprising: a base plate which forms one surface of the battery pack case and has a through-hole communicating the interior space of the battery pack case with the outside; an outer plate which is disposed so as to be spaced apart from an outer surface of the base plate, shields the through-hole to prevent same from being exposed to the outside, and creates a separation space between the outer plate and the base plate; and a discharge flow path which is formed in the separation space and bent multiple times and has one end communicating with the through-hole and the other end communicating with the outside of the separation space.
Absstract of: WO2025257853A1
The present invention provides a cathode active material composite for lithium-ion secondary battery. The cathode active material composite of the present invention comprises a composite of Lithium manganese iron phosphate and Nickel Manganese Cobalt with specific crystal morphology. The present invention also provides a cathode comprising the active cathode material composite and a dry manufacturing process for preparation of the cathode. The cathode of present invention has high electrode density and demonstrates excellent electrochemical performance.
Absstract of: WO2025258783A1
Disclosed are a battery pack case, a battery pack, and a vehicle comprising same, the battery pack case comprising: a base plate which forms one surface of the battery pack case and has a through-hole communicating the interior space of the battery pack case with the outside; an outer plate which is disposed so as to be spaced apart from an outer surface of the base plate, shields the through-hole to prevent same from being exposed to the outside, and creates a separation space between the outer plate and the base plate; and a venting valve which is provided on the outer plate to selectively discharge fluid in the separation space.
Nº publicación: WO2025259696A1 18/12/2025
Applicant:
ENEVATE CORP [US]
ENEVATE CORPORATION
Absstract of: WO2025259696A1
Systems and methods utilizing aqueous-based polymer binders for silicon-based anodes may include an electrode coating layer on a current collector, where the electrode coating layer is formed from a silicon carbon composite or SiOx-based or Si- Carbon-SiOx-based powder and a water soluble polymer and may comprise one or more additional materials. The anode may be in a lithium ion battery.
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