Resumen de: EP4418427A1
This application discloses a battery box, a battery, and an electric device, and relates to the field of battery technologies. The battery box includes an upper cover. The upper cover includes an upper cover body and a pressing strip. A circumferential edge of the upper cover body is provided with a flange. The flange has a first surface. The first surface is a surface of the flange facing away from a lower box body of the battery box. The pressing strip is in attachment connection with the first surface of the flange. The pressing strip is in attachment connection with the flange of the upper cover body to form the upper cover, such that the pressing strip can not only reinforce the flange of the upper cover body and prevent deformation thereof, but also allow the upper cover to be integrated for provision, eliminating the procedure of assembling the upper cover body and the pressing strip in the factory. This effectively improves the overall assembly efficiency of the battery box and the battery, facilitating automatic assembly.
Resumen de: EP4418410A1
The present application relates to a battery, an electrical device, and a manufacturing method and device for a battery. The battery includes: at least one battery cell; a first thermal management component and a second thermal management component configured for accommodating fluid to adjust the temperature of the at least one battery cell; a first pipe connector, with one end connected to the first thermal management component; a second pipe connector, with one end connected to the second thermal management component; and a flexible pipe including a first end portion and a second end portion, where the first end portion is connected to the other end of the first pipe connector, and the second end portion is connected to the other end of the second pipe connector, so as to connect the first thermal management component and the second thermal management component. Compared with existing technologies, a connection structure is simplified, the first thermal management component and the second thermal management component are connected by the simple structure, and the overall structure is compact.
Resumen de: EP4418432A1
The present application provides a battery cell, a battery, and an electrical device. The battery cell comprises a housing and a pressure relief mechanism; the housing is provided with a first wall; the first wall is provided with a through hole; the pressure relief mechanism is provided on the first wall; and the pressure relief mechanism is at least partially located in the through hole. According to the battery cell provided by embodiments of the present application, the first wall of the housing is provided with the through hole, and the pressure relief mechanism is at least partially located in the through hole, so as to improve the support force and connection strength of the housing to the pressure relief mechanism, reduce the risk of affecting the normal working of the pressure relief mechanism due to insufficient fixing strength of the pressure relief mechanism, and improve the safety performance of the battery cell.
Resumen de: EP4418442A1
The present disclosure relates to a battery module including: an electrode assembly capable of storing and supplying electrical energy; a battery exterior material of a hexahedral shape accommodating the electrode assembly therein; a first tab portion that is electrically connected to the electrode assembly and that protrudes to an outside of the battery exterior material; and a second tab portion that extends in the first direction from a free end of the first tab portion and that is provided with a different length from a predetermined length of the first tab portion, based on a second direction in parallel with a shortest edge of the battery exterior material among direction perpendicular to the first direction; and a bus bar assembly positioned between the battery exterior material and the second tab portion to be electrically connected to the electrode assembly.
Resumen de: GB2627315A
A method of continuously extracting lithium from an aqueous lithium salt-containing solution using at least three adsorption columns arranged in series, each comprising a lithium-ion sorbent by: flowing the solution sequentially through a leading column and a trailing column to adsorb lithium, while flowing a desorbent fluid through the third column to remove lithium therefrom. When the leading column has a fully saturated sorbent it transitions directly to a metal ion desorption stage once dead volume is purged, the trailing column transitions directly to become the leading column and the third column transitions directly to become the trailing column, with no washing occurring between transitions. The sorbent can be an ion sieve, a molecular sieve, a lithium-metal oxide adsorbent, a mixed metal oxide or an alkali/alkali earth metal/transition metal -alumina matrix.
Resumen de: EP4418444A1
Embodiments of the present application provide a battery cell, a battery, a power consumption device, and a battery cell manufacturing method and device. The battery cell includes: a shell, including a first wall provided with a medium injection hole; an electrode assembly, disposed inside the shell; and an insulating member, disposed between the first wall and the electrode assembly to insulate and isolate the first wall and the electrode assembly, where a guide structure is disposed on a side, facing the first wall, of the insulating member, and the guide structure is configured to guide a medium injected from the medium injection hole to an edge of the insulating member, so that the medium enters the interior of the battery cell from the edge of the insulating member. The battery cell has high safety.
Resumen de: EP4418341A2
The present disclosure relates to a positive electrode plate (10) including a core body (11) and an active material layer (12), wherein the active material layer (12) includes a conductive auxiliary agent (22), and the conductive auxiliary agent (22) present in a vicinity of a surface of the active material layer (12) opposite to the core body (11) includes a carbon nanotube. The present disclosure also relates to a non-aqueous electrolyte secondary battery (200) including the positive electrode plate (10). According to the present disclosure, there are provided: a positive electrode plate (10) in which an output characteristic is improved and electric conductivity is suppressed from being too high; and a non-aqueous electrolyte secondary battery (200) including the positive electrode plate (10).
Resumen de: EP4418339A1
A method for manufacturing an electrode plate of a lithium-ion battery includes: removing electrode active substances from a tab receiving groove of a metal current collector using a first laser cleaning, removing electrode active substances from an anticipated residual area of active substances and an adjacent area of the anticipated residual area of active substances using a second laser cleaning, and measuring a thickness of an electrode plate in a corresponding area to determine an amount of removed active substances; pressing the electrode plate, whereby the electrode active substances of the anticipated residual area of active substances and the adjacent area of the anticipated residual area of active substances are fluffy; cutting a boundary between the anticipated residual area of active substances and the adjacent area thereof; and removing the electrode active substances of the anticipated residual area of active substances by a roller brush.
Resumen de: EP4418385A2
A negative electrode, and a method and apparatus for manufacturing a negative electrode, are provided. The apparatus for manufacturing a negative electrode includes a pair of magnet plates including an upper magnet plate and a lower magnet plate respectively disposed above and below a plane (e.g., X-Y plane) in which the negative electrode moves in a direction (e.g., X-axis direction). In the magnet plate, first and second vertical unit magnets and first and second horizontal unit magnets with magnetic force lines having different directions are arranged, and a direction of magnetic force lines of the unit magnets changes by 90 degrees in a second direction (e.g., Y-axis direction) . The upper and lower magnet plates have opposite polarities, and the upper and lower magnet plates have constant magnetic force in the first direction and a magnetic force changing in the second direction.
Resumen de: EP4417557A1
A pouch roll replacement system according to one example of the present invention comprises a transport part transporting a replacement pouch roll and capable of adjusting the central axis height of the replacement pouch roll, a replacement chucking part provided to chuck the replacement pouch roll transported through the transport part and having a predetermined chucking height, an unwinder chucking part with a traveling pouch roll installed, a measuring part measuring the distance to the replacement pouch roll seated on the transport part before transporting the replacement pouch roll to the replacement chucking part, and a control part controlling the transport part so that the central axis height of the replacement pouch roll seated on the transport part is adjusted based on the measurement information of the measuring part and the chucking height of the replacement chucking part.
Resumen de: EP4418431A1
The present application belongs to the technical field of power batteries, in particular to an explosion-proof valve, a top cover assembly and a battery. The explosion-proof valve includes a mounting part and a body part, the mounting part is arranged on a peripheral edge of the body part, the body part includes a weak part and a first buffer part, and the weak part is arranged between the mounting part and the first buffer part or the weak part is arranged on the first buffer part. The weak part is located at a position with a minimum explosive pressure on the explosion-proof valve, and is configured to open the explosion-proof valve when an air pressure in an inner space of the top cover assembly reaches an opening threshold of the explosion-proof valve. When the explosion-proof valve provided by the present application is influenced by external factors which are easy to cause stress concentration in the weak part, the first buffer part can generate flexible deformation, so as to provide a certain amount of flexible deformation to buffer the weak part, thereby avoiding excessive stress in the weak part, weakening the impact on the explosion-proof valve, ensuring application reliability of the explosion-proof valve and achieving a purpose of prolonging a service life of the explosion-proof valve.
Resumen de: EP4417960A1
The present application discloses a method, an apparatus, a device, and a medium for detecting a compliance of a battery electrode sheet. The technical solutions of the examples of the present application are applied to compare a moisture value comprised in the electrode sheet obtained by drying with its dead weight, and determine a reasonable coating degree of each electrode sheet according to a weight ratio of the moisture value in each electrode sheet in a targeted manner, thereby avoiding a disadvantage of an abnormal moisture content of the electrode sheet caused by unreasonable coating in a process of coating the electrode sheet in a related art.
Resumen de: EP4418363A1
Proposed are a positive electrode active material, a positive electrode plate, a secondary battery, a battery module, a battery pack and a power consuming device. The positive electrode active material. The positive electrode active material has an inner core and a shell coating the inner core, wherein the inner core comprises at least one of a ternary material, <sub>d</sub>Li<sub>2</sub>MnO<sub>3</sub>·(1-d)LiMO<sub>2</sub> and LiMPO<sub>4</sub>, where 0 < d < 1, and M includes one or more selected from Fe, Ni, Co, and Mn; and the shell contains a crystalline inorganic substance having a full width at half maximum of the main peak of 0-3° as measured by means of X-ray diffraction, and the crystalline inorganic substance includes one or more selected from a metal oxide and an inorganic salt.
Resumen de: EP4418359A1
An electrolyte solution for a lithium secondary battery according to embodiments of the present disclosure includes a lithium salt, a non-aqueous organic solvent, and a silatane-based having a specific chemical structure. A secondary battery includes the electrolyte solution for a lithium secondary battery. The secondary battery has improved high temperature storage properties and life-span properties.
Resumen de: EP4418396A1
The present invention relates to an electrode assembly for lithium secondary battery that can further improve insulating properties between electrodes and safety of the lithium secondary battery, and a manufacturing method thereof. The electrode assembly includes: a cathode-insulating layer composite including a first insulating layer arranged on thecathode, and an anode-insulating layer composite including a second insulating layer arranged on theanode, wherein the first or second insulating layer is a porous insulating layer including polymer particles or ceramic particles having an absolute value of zeta potential of 25 mV or more, and wherein a ratio of the total thickness of the first and second insulating layers to the total thickness of the cathode-insulating layer composite and the anode-insulating layer composite may satisfy a certain range.
Resumen de: EP4418433A1
The present application relates to a pressure relief structure, comprising a carrier substrate (241), the carrier substrate (241) having a pressure relief portion (243) and a remaining area (244) other than the pressure relief portion (243), with the thickness of the pressure relief portion (243) being smaller than that of the remaining area (244). The ratio of the thickness of the pressure relief portion (243) to the length of the carrier substrate (241) in a first direction is denoted as A, where A is greater than 5.6 × 10<sup>-6</sup> and less than 0.028, and/or the ratio of the thickness of the pressure relief portion (243) to the width of the carrier substrate (241) in a second direction is denoted as B, where B is greater than 5 × 10<sup>-5</sup> and less than 0.1. The first direction, the second direction and a thickness direction of the pressure relief portion (243) intersect with each other.
Resumen de: WO2023101761A2
A method is described herein for forming a high-capacity thin-film battery. The thin-film battery utilizes a cathode containing each of lithium, ruthenium, cobalt, and oxygen. The cathode composition is synthesized as a solution of LiRu2O3 and LiCoO2 and deposited on a substrate using a physical vapor deposition sputtering technique. The cathode is then covered by an electrolyte and an anode to form a thin film battery. The cathode within the resulting thin film battery may be as- deposited and without being annealed to have an amorphous composition, or the cathode may be annealed after depositing the cathode.
Resumen de: EP4418421A1
The present invention relates to a battery pack, and a positioning member for a thermistor in the battery pack, wherein the battery pack comprises at least one battery unit and a support, the support having at least one battery unit accommodating part for accommodating the battery unit, wherein the support is provided with a first opening, the first opening is connected to at least one battery unit accommodating part, the first opening and the battery unit of a connected portion form a thermistor accommodating part, and a thermistor arranged close to the battery unit is accommodated in the thermistor accommodating part, and wherein a positioning member is further provided in the thermistor accommodating part, the positioning member being used to limit the thermistor in the battery unit accommodating part.
Resumen de: EP4417462A1
The disclosure relates to the technical field of battery charging and swapping, and in particular to a battery swap platform (10) and a battery charging and swapping station. The disclosure aims to solve the problems existing in the lift-type battery charging and swapping station, such as large upper space occupation, limited field of view, and too large platform height. To this end, the battery swap platform (10) of the disclosure comprises: a platform body (11), a first mounting groove (111) and a second mounting groove (112) being formed on and extending in a width direction thereof; a front-wheel positioning device (12) arranged at the first mounting groove (111); a rear-wheel positioning device (13) arranged at the second mounting groove (112); two first jacking devices (14) arranged on two sides of the front-wheel positioning device (12) in the width direction, each device (14) being provided with a retractable first jacking component connected to one end of the front-wheel positioning device (12); and two second jacking devices (15) arranged on two sides of the rear-wheel positioning device (13) in the width direction, each device (15) being provided with a retractable second jacking component connected to one end of the rear-wheel positioning device (13). The disclosure can reduce the space occupied by the jacking devices (14,15), reduce the height of the battery swap platform (10), and improve the user's battery swap experience.
Resumen de: EP4418384A1
Reforming device (80) of electrochemical cells (30) comprising:- N reforming needles (81) each having a respective longitudinal axis (R2), where N is an integer at least equal to 1;- at least one rotation mechanism (97) configured to rotate the N reforming needles (81) around the respective longitudinal axis (R2);- N heating elements (83) respectively housed inside the N reforming needles (81) and integral in rotation to the respective N reforming needles (81).
Resumen de: EP4417987A1
A battery information management system according to an embodiment includes a communication device configured to receive information about a battery rack from a rack battery management system (RBMS) configured to control the battery rack, a switch connected to the communication device through a short-range communication network and configured to receive the information about the battery rack from the communication device, and a controller configured to receive the information about the battery rack from the switch. According to an embodiment, information of all battery cells may be collected and managed regardless of communication speed and data capacity. Thus, when abnormality occurs in the system, a battery cell that causes the abnormality may be easily found and only the found battery cell/module may be replaced, thereby saving repair and maintenance costs.
Resumen de: EP4418351A1
An electrode unit manufacturing device 50 is an electrode unit manufacturing device for manufacturing an electrode unit 11A by welding a resin member 21B to a bipolar electrode 11 including a current collector 15, and an active material layer provided on one surface 15a and the other surface 15b of the current collector 15. The electrode unit manufacturing device includes a robot hand 30 that transports the bipolar electrode 11 in the air while suctioning and holding the bipolar electrode 11, and a welding device 40 including a welding unit 45 that welds the resin member 21B to the bipolar electrode 11 in a state of being suctioned and held in the air by the robot hand 30.
Resumen de: EP4417919A1
An electrode manufacturing facility (10) includes a dryer (11), a first pipe (12), a solvent collection device (13), an outside air inlet pipe (14), a heat exchanger (15), and a second pipe (16). The first pipe (12) sends an exhaust gas expelled from the dryer (11) to the solvent collection device (13). The solvent collection device (13) causes an organic solvent contained in the exhaust gas expelled from the dryer (11) to dissolve into water to collect the organic solvent. The heat exchanger (15) exchanges heat between the exhaust gas expelled from the dryer (11) and the outside air inlet pipe (14). The second pipe (16) is connected to a pipe to which the exhaust gas after having passed through the solvent collection device (13) is expelled and to a portion of the outside air inlet pipe (14) located upstream of the heat exchanger (15), and sends at least a portion of the exhaust gas after having passed through the solvent collection device (13) to the outside air inlet pipe (14).
Resumen de: EP4418383A1
Processing line and method of electrochemical cells (30) wherein it is provided to:- move step-wise a plurality of seats (25) along a transport path (20) according to an advancement direction A with a movement step P and according to a time interval T between one movement step P and the other, wherein the time interval T is defined by a movement time Tm and a stop time Ts; wherein said seats (25) are equidistant from each other and spaced according to a predetermined spacing step D along at least one active sector (21) of the transport path (20) and wherein the movement step P corresponds to N times the predetermined spacing step D;- during the step-wise movement of said plurality of seats (25), in the stop time Ts: stopping N seats (25) at a time of said plurality of seats (25) in a working area (22) defined along the active sector (21) of the transport path (20) to perform a same operation simultaneously on N electrochemical cells (30) transported by the N seats (25) stopped in the working area (22);- during the step-wise movement of said plurality of seats (25), in the stop time Ts: stopping N seats (25) at a time of said plurality of seats (25) in a deposition area (23) defined along the active sector (21) of the transport path (20) upstream of the working area (22) with respect to the advancement direction A, and placing, one after the other, N electrochemical cells (30) in N different positions (P1, P2, P3) at the N seats (25) stopped in the deposition area (23).
Nº publicación: EP4416773A2 21/08/2024
Solicitante:
TYFAST [US]
Tyfast
Resumen de: WO2023064022A2
A lithium-ion battery anode material containing surface-coated disordered rocksalt lithium vanadium oxide is disclosed. The surface coating contains a species selected from the group consisting of carbon, a metal oxide, a metalloid oxide, a metal fluoride, a metalloid fluoride, a metal phosphate, a metalloid phosphate, and combinations thereof. Materials, designs, synthesis methods, and devices related to fast-charging lithium-ion batteries are provided. This invention fills a technology gap by providing anode materials with disordered rocksalt lithium vanadium oxides to achieve fast charging in 10 minutes or less, greater than 200 W·h/kg energy density, a lifetime of at least 10,000 cycles, and improved battery safety. Methods of making and using the optionally surface-coated disordered rocksalt lithium vanadium oxide are disclosed. Many experimental examples are included, demonstrating several remarkable attributes of this battery technology.