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PRESSURE MEASUREMENT APPARATUS AND SECONDARY BATTERY DESIGN SYSTEM

Resumen de: EP4822815A1

The present disclosure relates to a rupture pressure measurement apparatus and is directed to providing a rupture pressure measurement apparatus capable of measuring a rupture pressure of a secondary battery in an environment similar to an actual ignition situation. To this end, the present disclosure provides a rupture pressure measurement apparatus including a chamber provided with a secondary battery therein, a heating unit that heats the secondary battery, a pressing unit that presses the secondary battery until the secondary battery is ruptured, and a main sensor that measures a rupture pressure of the secondary battery when the secondary battery is ruptured.

SOLID-STATE BATTERY AND METHOD FOR MANUFACTURING SOLID-STATE BATTERY

Resumen de: EP4822751A1

0001 A solid-state battery includes: a first electrode layer containing a first electrode active material; an electrolyte layer containing a solid electrolyte and disposed on the first electrode layer; and a second electrode layer containing a second electrode active material and disposed on the electrolyte layer. An Sdr of a surface of the first electrode layer in contact with the electrolyte layer is 9.2% or more.

ELECTRODE AND ELECTRODE ASSEMBLY INCLUDING THE SAME

Resumen de: EP4822798A1

An electrode includes a strip-shaped substrate extending in one direction, an active material layer formed on at least one side of the substrate, and a spacer including a plurality of protrusions in which the substrate and the active material layer are raised together.

COMPOSITE POLYMER ELECTROLYTE FOR A LITHIUM-ION SECONDARY BATTERY

Resumen de: EP4822800A1

The present disclosure relates to an improved solid composite polymer electrolyte (CPE) for a lithium ion secondary battery comprising (A) a fluorine-containing copolymer; (B) lithium-containing solid electrolyte particles having a garnet-type structure; (C) a lithium salt; and (D) an ionic liquid, a method for its preparation, and a secondary battery comprising it.

CHARGE MONITORING DEVICE, CHARGE MONITORING SYSTEM, AND CHARGE MONITORING METHOD

Resumen de: EP4821753A1

0001 The present invention relates to a charge monitoring device, a charge monitoring system comprising a plurality of the charge monitoring devices, and a charge monitoring method. The charge monitoring device (100, 200) comprises cell monitoring circuitry (108, 208), which in operation, detects cell charge states of a plurality of battery cells arranged in a battery module (150) electrically connected to the charge monitoring device (100, 200), and which in operation, balances the charge state of at least one balancing target battery cell among the plurality of battery cells. The charge monitoring device (100, 200), in operation, is communicatively coupled to a charge transferring device (110), the charge transferring device (110) being configured to transfer charge between the battery module (150) connected to the charge monitoring device (100, 200) and an adjacent battery module (150), and the cell monitoring circuitry (108, 208), in operation, controls the charge transfer between the battery module (150) connected to the charge monitoring device (100, 200) and the adjacent battery module (150).

ELECTROCHEMICAL CELL AND PLATFORM FOR PERFORMING ELECTROCHEMICAL EXPERIMENTS SIMULTANEOUSLY

Resumen de: EP4822811A1

The present invention belongs to the field of electrochemical cells in the area of research and development of new materials and coatings and the use thereof in chemical reactions. In particular, the invention relates to an electrochemical cell that can be used for electrochemical and/or photoelectrochemical applications. The cell is scalable for multiple and simultaneous application in laboratories, which can be stand-alone laboratories, for example, for performing electrochemical and/or photoelectrochemical studies on thin films. Furthermore, the invention relates to a platform configured to perform multiple experiments simultaneously in a plurality of electrochemical cells. The invention also relates to a method for training a machine learning algorithm to characterise working electrodes during electrochemical experiments in electrochemical cells.

MOBILE TRAFFIC MONITORING SYSTEM

Resumen de: EP4822672A1

0001 Die Erfindung betrifft ein mobiles Verkehrsüberwachungssystem (1) umfassend mindestens eine Sensorvorrichtung (2) und mindestens eine Kameravorrichtung (3); wobei die Sensorvorrichtung (2) eingerichtet ist eine Geschwindigkeit eines Fahrzeuges (26) auf einer Fahrbahn (27) zu erfassen; wobei die Kameravorrichtung eingerichtet ist zumindest einen Teilbereich des Fahrzeuges (26) auf der Fahrbahn (27) zu erfassen; wobei die Komponente (2,3,4) die Sensorvorrichtung (2) oder die Kameravorrichtung (3) oder eine Beleuchtungsvorrichtung (4) ist; wobei die Komponente (2,3,4) des Verkehrsüberwachungssystems (1) mit einem ersten Energiespeicher (5) für elektrischer Energie elektrisch verbunden ist und wobei die Komponente (2,3,4) mit mindestens einem zweiten Energiespeicher (6) für elektrische Energie elektrisch verbunden ist.

SMART UNIVERSAL ADAPTOR FOR COMMUNICATION BETWEEN A CONTROL UNIT AND SMART LITHIUM ION BATTERIES

Resumen de: EP4823072A1

0001 A conversion system and method therefor are provided, the system including: battery management systems (BMSs), each utilizing a communication protocol, such as e.g., Modbus (RTU/TCP), CAN Bus, SMBus, BLE; a control unit utilizing a communication protocol different from that utilized by at least one of the BMSs, and a smart hardware adaptor operatively connected between the BMSs and the control unit. The adaptor stores a mapping table mapping data between each of the protocols of the BMSs and the protocol of the control unit, and is configured to receive signal(s) from the BMSs and reformat the signal(s) to the protocol of the control unit and to receive signal(s) from the control unit and reformat the signal(s) to a protocol of a corresponding one of the BMSs, according to the mapping table.

NEGATIVE ELECTRODE FOR RECHARGEABLE BATTERY AND ELECTRODE ASSEMBLY INCLUDING THE SAME

Resumen de: EP4822761A1

An electrode includes a substrate, a first active material layer formed on the substrate, and a second active material layer formed on the first active material layer. A porosity of the first active material layer is greater than a porosity of the second active material layer.

POROUS BARRIER LAYER SUPPORTING TAPES FOR USE IN ENERGY STORAGE DEVICES, AND METHODS THEREOF

Resumen de: EP4822875A1

A porous barrier layer supporting tape for use in energy storage devices comprising a porous adhesive layer and a porous substrate, and methods thereof is disclosed. Porous barrier layer supporting tapes may allow active use of the entire electrode compared to conventional energy storage devices where sections of the electrode are typically rendered inactive by the impermeable barrier layer supporting tape. The porous barrier layer supporting tapes may further provide additional support to prevent short circuiting and provide protection from wearrelated puncture over the life of the energy storage device.

PLATE END FOR CELL SWELLING PREVENTION, METHOD OF MANUFACTURING THE SAME, AND SECONDARY BATTERY USING THE SAME

Resumen de: EP4822794A1

0001 A plate end for cell swelling prevention is provided that absorbs stress caused by cell swelling in secondary batteries. The plate end includes: a laminated part including a curved metal plate having multiple, individual layers; and fixing parts at opposite ends of the laminated part to fix the plate end.

METHOD FOR PRODUCING PRECURSOR OF POSITIVE ELECTRODE ACTIVE MATERIAL

Resumen de: EP4822817A1

0001 A technique for improving the crystallization rate of Co is provided by the present disclosure. The method for producing a precursor of a positive electrode active material of the present disclosure includes a preparation step (S10) of preparing a mixed liquid containing Ni, trivalent Co, and ammonia, a reduction step (S20) of mixing the mixed liquid with a reducing agent to reduce the trivalent Co in the mixed liquid to divalent Co, and a crystallization step (S30) of lowering the ammonia concentration of the mixed liquid after the reduction step (S20) to precipitate a NiCo-containing compound. The mixed liquid before the crystallization step (S30) contains an anion that forms a salt with Ni and divalent Co.

METHOD FOR RECOVERING VALUABLE METALS

Resumen de: EP4822043A1

0001 Provided is a method capable of simply separating Li, Ni, Co, and Cu from an object containing a water-soluble Li compound, Ni, Co, and Cu, and in which the leaching agent is suitable for reuse. The method for recovering valuable metals of the present disclosure includes a Li, Cu leaching step of leaching Li and Cu into a first aqueous phase by ammonia leaching from an object containing a water-soluble Li compound, Ni, Co, and Cu, a separation step of evaporating ammonia from the first aqueous phase to separate Li and Cu, and a Ni, Co leaching step of leaching Ni and Co into a second aqueous phase by ammonia leaching from the solid residue obtained in the Li, Cu leaching step.

METHOD FOR PRODUCING PRECURSOR OF POSITIVE ELECTRODE ACTIVE MATERIAL AND METHOD FOR PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL

Resumen de: EP4821892A1

0001 Provided is a method for producing a precursor of a positive electrode active material in which uneven distribution of Mn in the center portion of particles is suppressed. The method for producing a precursor of a positive electrode active material of the present disclosure includes a step of adding a raw material solution containing Ni, Co, Mn, ammonia, an ammonium ion, and a carbonate ion to a precipitation solution to precipitate a carbonate containing Ni, Co, and Mn. The concentration of ammonia in the precipitation solution is lower than the concentration of ammonia in the raw material solution.

BATTERY PACK

Resumen de: EP4822844A1

0001 A battery pack includes a housing, a plurality of battery cells accommodated in the housing and each including a vent, a cover coupled to the housing and spaced apart from the battery cells, and a heat-resistant layer on the cover and facing the battery cells.

METHOD AND APPARATUS FOR FORMING BATTERY CELL

Resumen de: EP4822749A1

Die Erfindung betrifft ein Verfahren (100) zur Formierung einer Batteriezelle, wobei die Batteriezelle während eines Formierungsprozesses für wenigstens einen Zeitbereich mit einer eingestellten Stromstärke beaufschlagt wird. Das Verfahren ist durch die folgenden Schritte gekennzeichnet:- (102) Erfassen eines frequenzabhängigen Impedanzspektrums Z(ω) der Batteriezelle vor oder während des Formierungsprozesses; und- (104) Einstellen der Stromstärke in Abhängigkeit von dem erfassten Impedanzspektrum Z(ω).Weiterhin betrifft die Erfindung ein Herstellungsverfahren für wenigstens eine Batteriezelle und eine Vorrichtung zur Formierung einer Batteriezelle.

METHOD FOR RECOVERING METALS

Resumen de: EP4822044A1

0001 A method capable of recovering Co and Mn at a high recovery rate from an object containing Ni, Co, and Mn using ammonia and ammonium carbonate is provided. The method for recovering metals of the present disclosure includes an Mn leaching step of performing leaching on an object containing Ni, Co, and Mn using a first ammonia aqueous solution containing ammonia and ammonium carbonate to leach Mn into a first aqueous phase, and a Ni, Co leaching step of performing leaching on the solid residue obtained in the Mn leaching step using a second ammonia aqueous solution containing ammonia and ammonium carbonate to leach Ni and Co into a second aqueous phase. The amount of dissolved oxygen in the first ammonia aqueous solution in the leaching in the Mn leaching step is less than the amount of dissolved oxygen in the second ammonia aqueous solution in the leaching in the Ni, Co leaching step.

ELECTROLYTE INJECTION APPARATUS FOR SECONDARY BATTERIES

Resumen de: EP4822888A1

0001 An electrolyte injection apparatus for secondary batteries, the electrolyte injection apparatus being configured to inject electrolyte into an electrolyte injection port (64) on at least one surface of a battery cell (1), the electrolyte injection apparatus including a dispensing unit (100) including a dispensing nozzle (101) configured to inject the electrolyte into the electrolyte injection port (64), a suction unit (200) positioned in a peripheral portion of the dispensing nozzle (101), the suction unit (200) being configured to provide a predetermined suction force, and a suction force generating unit (300) connected to the suction unit (200), the suction force generating unit (300) being configured to generate the suction force.

BATTERY MODULE

Resumen de: EP4822845A1

A battery module includes a housing, a plurality of battery cells accommodated in the housing and each including a vent, a plurality of bus bars connecting neighboring battery cells of the plurality of battery cells, a cover including an inner cover surface facing the plurality of battery cells, and an outer cover surface opposite the inner cover surface, one or more cover holes passing through the inner cover surface and the outer cover surface and facing the vents, and a cover film facing the one or more cover holes and configured to open and close the one or more cover holes.

A BUSBAR SYSTEM OF AN ENERGY STORAGE MODULE

Resumen de: EP4822876A1

0001 A conductor rail system (B1, B2, B3, B4) of an energy storage module, comprising a busbar system (21A, 21B, 21C, 21D) having at least two busbars (29A, 29B, 92C, 29D). Each busbar comprises at least one conductor bar (29F). Further, each busbar comprises fixing elements (30, 34) The conductor bars of each busbar are electrically connected with each other and a cross-sectional area of each busbar (29A, 29B, 92C, 29D) is determined by a number of the conductor bars (29F) and the cross-sectional area of the conductor bar.

ELECTRODE FOR SECONDARY BATTERY, SECONDARY BATTERY INCLUDING THE ELECTRODE, AND METHOD OF MANUFACTURING ELECTRODE FOR SECONDARY BATTERY

Resumen de: EP4822753A1

0001 An electrode for secondary battery includes a substrate layer, an active material layer coated on at least one surface of the substrate layer, and a guide member formed along sides of the active material layer. The guide member includes a polymer cured by exposure to electromagnetic waves.

PROTECTIVE PART FOR THE BATTERY HOUSING OF ELECTRIC VEHICLES

Resumen de: EP4821676A1

0001 Protective part for the battery housing of electric vehicles comprising an impact protecting element comprising a fiber reinforced thermoplastic core comprising fibers in a first matrix, and a first and a second skin, whereby the first and second skins comprise continuous filaments in second matrix, and whereby the skins cover opposite surfaces of the core thereby forming a sandwich, and further comprising at least one flame protecting element. The flame protecting element comprises at least one lower and one upper fibrous inlay comprising inorganic fibrous material and a fibrous inlay core comprising a mechanically bonded nonwoven layer of carbon fibers placed between the upper and lower fibrous inlay, and whereby the core inlay layer and the upper and lower inlay layers are embedded within the same thermoset matrix material, such that the flame protecting element forms a single plate material.

SECONDARY BATTERY

Resumen de: EP4822886A1

A secondary battery includes a cylindrical can having an open end and a closed end, an electrode assembly accommodated in the can, and a cap assembly. The cap assembly includes a upper cap closing the open end of the can, a lower cap spaced apart from the upper cap and facing the electrode assembly, a vent plate disposed between the upper cap and the lower cap, with a notch being formed in the vent plate, and an insulating gasket inserted between the vent plate and the can. An diameter of the lower cap is less than the diameter of the notch.

CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, CATHODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

Resumen de: EP4822783A1

0001 A cathode active material for a lithium secondary battery according to exemplary embodiments of the present disclosure includes large particles and small particles having a median particle diameter (D<50>) smaller than that of the large particles. The large particles have an average circularity (C) of 0.95 or more and less than 1. A ratio (C/C) of the average circularity (C) of the small particles to the average circularity (C) of the large particles is 0.90 to 0.99. A relative standard deviation of the circularity of the large particles is 1 to 5.