Alerta

INSULATION STRUCTURE AND BATTERY

Resumen de: EP4708555A1

The present disclosure provides an insulation structure and a battery. The insulation structure includes an insulation body and a baffle. The baffle is provided on at least one side of the insulation body in the width direction. The baffle is rotatably connected to the insulation body, with the rotation axis of the baffle extending in the length direction of the insulation body. The baffle includes a baffle body and a connecting portion that are connected to each other. The baffle body extends in the length direction of the insulation body. The connecting portion is rotatably connected to the insulation body, and the baffle body is separately provided from the insulation body.

METHOD FOR STORING ROLL MAP AND METHOD FOR EXTRACTING ROLL MAP

Resumen de: EP4708069A1

Example embodiments of the present technology provide a roll map storing method. The roll map storing method includes transmitting compressed measurement data, which is generated by processing measurement data collected by measuring an electrode sheet, to a server, modifying the compressed measurement data to generate modified measurement data, and storing the modified data, in which the compressed measurement data includes a first measurement start coordinate, a first measurement end coordinate, a first representative value of a first section defined by the first measurement start coordinate and the first measurement end coordinate, a second measurement start coordinate, a second measurement end coordinate, and a second representative value of a second section defined by the second measurement start coordinate and the second measurement end coordinate, and the first measurement start coordinate and the second measurement start coordinate are the same.

ELECTRONIC DEVICE COMPRISING BATTERY STRUCTURE FOR HEAT DISSIPATION

Resumen de: EP4708513A1

According to an embodiment, an electronic device includes a printed circuit board including an electronic component and a battery. The battery includes a metal can case including a plate and a cover formed from a first metal material, and an electrode assembly disposed in the metal can case. The plate includes a first layer formed from a second metal material, and a second layer, formed from at least the first metal material, disposed on the first layer, and facing the electrode assembly. Heat conductivity of the second metal material is greater than heat conductivity of the first metal material, for dissipating heat, generated by the electronic component, transmitted through a heat-conductive member by thermally contacting with the plate.

BATTERY MODULE, AND BATTERY PACK AND VEHICLE INCLUDING SAME

Resumen de: EP4708532A1

A battery module according to one embodiment of the present disclosure includes: a plurality of battery cells; a module casing that accommodates the plurality of battery cells, and having a first venting hole on one side surface, the first venting hole that discharges venting gas to outside; and a rupture member coupled to the module casing so as to cover the first venting hole from both sides, and that is at least partially ruptured by the venting gas.

ELECTRIC VEHICLE RANGE EXTENDER INTEGRATION

Resumen de: EP4707032A1

Example methods to manage a plurality of battery packs of an electric vehicle include initiating a charging process for a primary battery pack and an auxiliary battery pack, determining that an Open Circuit Voltage (OCV) of the primary battery pack matches an OCV of the auxiliary battery pack, and based on determining that the OCV of the primary battery pack matches the OCV of the auxiliary battery, connecting the primary and auxiliary battery packs in parallel and initiating parallel charging of the primary battery pack and the auxiliary battery pack.

MONOMER FOR ELECTROLYTE, ELECTROLYTE FOR SECONDARY BATTERY INCLUDING THE SAME, METHOD OF PREPARING THE SAME AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

Resumen de: EP4707282A1

A monomer for an electrolyte according to the embodiments of the present disclosure may include a compound represented by Formula 1. The lithium secondary battery according to the embodiments of the present disclosure includes a cathode, an anode, and an electrolyte, and the electrolyte may include a polymer formed by polymerizing the compound represented by Formula 1.

ROLL MAP CREATION SYSTEM

Resumen de: EP4708370A1

A roll map creation system includes an inspection measurement device for moving electrodes represented by the first roll map created in the preceding process from the unwinder to the rewinder and inspecting the electrodes to obtain inspection and/or measurement data; and a roll map creation device for creating a second roll map by assigning coordinates to the electrodes, and matching the inspection and/or measurement data according to the coordinates of the electrodes, where the roll map creation device is configured to create correction data of the difference in lengths when the first roll map length (A) and the second roll map length (B) differ.

SECONDARY BATTERY

Resumen de: EP4708445A1

A secondary battery according to an embodiment of the present invention may include a battery can having an opened upper side and configured to define an accommodation space therein, a top cap configured to cover the opened upper side of the battery can, an electrode assembly having a shape in which a positive electrode plate and a negative electrode plate are wound and sequentially stacked with a separator therebetween and disposed in the accommodation space; an electrode lead configured to electrically connect the electrode assembly to at least one of the battery can or the top cap, and a first extinguishing part including an extinguishing component and disposed between the electrode assembly and the battery can.

ELECTROLYTE AND BATTERY

Resumen de: EP4708442A1

An electrolytic solution and a battery. The electrolytic solution includes a first lithium salt, a second lithium salt and a first additive, the first lithium salt at least including lithium bis(fluorosulfonyl)imide, the second lithium salt being selected from at least one of lithium difluoro(oxalato)borate, or lithium difluoro(bisoxalato)phosphate, and the first additive being methylene methanedisulfonate. On the basis of the electrolytic solution including the first lithium salt and the second lithium salt, the first additive, i.e. methylene methanedisulfonate (MMDS), is further added in the electrolytic solution; the second lithium salt helps to improve the cycling stability and high-temperature storage performance of batteries, and the first additive helps to improve the oxidation resistance of the second lithium salt under high voltages, so as to further modify the composition and structure of SEI films, thus reducing the impedance of SEI films, improving the stability of SEI films, and improving the cycle performance and high-temperature storage performance of batteries.

POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE SHEET, AND LITHIUM-SULFUR BATTERY

Resumen de: EP4708373A1

The present application provides a cathode material comprising the following raw materials in parts by weight: 10 parts of a porous carbon conductive agent, 7 to 14 parts of an additive, 38 to 44 parts of an active material, and 32 to 40 parts of a solid electrolyte, wherein the active material comprises sulfur powder, and the additive comprises one or both of phosphorus pentasulfide and phosphorus trisulfide. Elemental sulfur reacts with lithium ions during battery discharge to form lithium sulfide, which can react with the additive to in-situ generate a lithium phosphorus sulfur solid electrolyte. The lithium phosphorus sulfur solid electrolyte not only enables most of the active material to participate in the charge-discharge cycle, improving the utilization rate of the active material, but also forms an ionic conductive network, allowing lithium ions to conduct faster. It also enhances the ionic conductivity of the cathode material, achieving high specific capacity and cycling stability in all-solid-state lithium-sulfur batteries under high areal loading conditions.

BRACKET STRUCTURE AND BATTERY PACK

Resumen de: EP4708598A1

A bracket structure and a battery pack are provided herein. The bracket structure includes a mounting bracket (1), the mounting bracket (1) comprises a first mounting end (1A) and a second mounting end (1B) disposed opposite to each other in a first direction(Z), the first mounting end (1A) is configured to mount a copper busbar (2), the second mounting end (1B) is configured to be connected to a battery box(11), at least one side of the mounting bracket (1) in a second direction (Y) is configured to mount a harness (3), the second direction (Y) intersects with the first direction(Z); in the first direction(Z), the harness (3) is located between the first mounting end (1A) and the second mounting end(1B).

LEAD TAB WITH IMPROVED ADHESION

Resumen de: EP4708428A1

The present invention provides a lead tab including a metal substrate including aluminum and a metal layer laminated on both sides of the metal substrate, wherein the metal layer includes 70 to 99.9 wt% of chromium, wherein the lead tab has a gloss of 60 to 100 (Gs 60°), and has a water contact angle of 60 to 80°.

SECONDARY BATTERY AND ELECTRONIC DEVICE

Resumen de: EP4708403A1

A secondary battery, including: a positive electrode, a negative electrode, and an electrolyte. The positive electrode includes a positive current collector and a positive active material layer formed on the positive current collector, the positive active material layer includes a positive active material and polyvinyl butyral, and the electrolyte includes lithium difluorophosphate and a trinitrile compound. A shedding resistance of the positive electrode is improved, an initial resistance of the secondary battery is further reduced, and a low-temperature rate characteristic is further improved.

LEAD TAB WITH IMPROVED WELDING PERFORMANCE

Resumen de: EP4708426A1

The present invention provides a lead tab comprising: a metal substrate including aluminum; and a metal layer disposed on both sides of the metal substrate; wherein the metal layer comprises 70 to 99.9 wt% of chromium and wherein the lead tab has an ultrasonic welding strength of 70 kgf/mm² or more.

ELECTRIC VEHICLE

Resumen de: EP4707050A1

Embodiments of this application provide an electric vehicle.The electric vehicle (12) includes a power battery (411), a heat exchanger (420), a coolant storage tank (430), an in-vehicle pipeline (M), a coolant injection channel (441), and a coolant discharge channel (442). The power battery (411) includes a liquid cooling runner (412). The in-vehicle pipeline (M) is configured to connect one of an in-vehicle cooling loop, an off-vehicle cooling loop, and an off-vehicle coolant supplement channel. The in-vehicle cooling loop is configured to: deliver coolant flowing out of a liquid cooling runner (412) to the heat exchanger (420), and deliver coolant flowing out of the heat exchanger (420) to the liquid cooling runner (412). The off-vehicle cooling loop is configured to: deliver, through the coolant injection channel (441), coolant provided by an off-vehicle liquid cooling device (520) to the liquid cooling runner (412), and deliver, through the coolant discharge channel (442), coolant flowing out of the liquid cooling runner (412) to the off-vehicle liquid cooling device (520), so that the off-vehicle liquid cooling device (520) dissipates heat for the power battery (411). The off-vehicle coolant supplement channel is configured to deliver, through the coolant injection channel (441), coolant provided by the off-vehicle liquid cooling device (520) to the coolant storage tank (430), to implement coolant supplement for the coolant storage tank (430) by the off-vehicle liquid co

BATTERY SYSTEMS HAVING PRESSURE SENSING BATTERY MANAGEMENT SYSTEM AND BATTERY CELLS FOR PREVENTING BATTERY FIRES, AND APPLICATIONS THEREOF

Resumen de: EP4708471A1

Sensors and circuits for batteries are provided that prevent battery fires. The sensors and circuits are part of a battery management system that detects battery cell swelling and changes in the internal pressure of battery cells and removes the battery cells from service before they vent and catch on fire or explode. The sensors and circuits continually monitor every battery cell for swelling/increases in internal pressure that are indicative of the formation of flammable and explosive gases within the battery cells, and a battery management system that includes one or more of the sensors and circuits removes battery cells with issues from service before they vent and catch on fire or explode.

ALL-SOLID-STATE BATTERY

Resumen de: EP4708435A1

An all-solid-state battery including a battery body including a negative electrode layer, a positive electrode layer, and a solid electrolyte layer between the negative electrode layer and the positive electrode layer; a case accommodating the battery body; and a fire-extinguishing agent inside the case, wherein the fire-extinguishing agent is configured to produce a solid aerosol.

NEGATIVE ELECTRODE FOR ALL-SOLID-STATE BATTERY, ALL-SOLID-STATE BATTERY, AND METHOD OF FABRICATING THE SAME

Resumen de: EP4708381A2

Disclosed are negative electrodes, all-solid-state batteries, and fabrication methods thereof. The all-solid-state battery includes a positive electrode layer, a negative electrode layer including a negative electrode current collector, and a negative electrode coating layer on the negative electrode current collector, and a solid electrolyte layer between the positive electrode layer and the negative electrode layer. The negative electrode layer includes lithiophilic metal, carbon, an additive, and a porous polymer composite. The porous polymer composite has a particulate shape. The additive includes a binder. An amount of the porous polymer composite in the negative electrode coating layer is greater than the amount of the additive in the negative electrode coating layer.

AUTOMATIC SPINDLE ADJUSTMENT APPARATUS

Resumen de: EP4706846A1

An automatic spindle adjustment apparatus includes a base frame, a spindle adjuster on the base frame, the spindle adjuster being configured to adjust an upper spindle mover to set a moving range of an upper spindle corresponding to a target occlusal thickness of a battery cell, a vertical mover on the base frame, the vertical mover being configured to move the spindle adjuster in an up-and-down direction, and a horizontal mover on the vertical mover, the horizontal mover being coupled to the spindle adjuster and configured to move the spindle adjuster in a forward-backward direction.

BATTERY MANAGEMENT APPARATUS AND METHOD OF CONTROLLING CHARGING/DISCHARGING USING THE SAME

Resumen de: EP4708618A1

A battery management apparatus includes a measuring unit including at least one sensor, the measuring unit configured to measure a cell voltage of each of a plurality of battery cells in a battery module, and a processor configured to adjust a charging threshold voltage or a discharging threshold voltage based on a difference in cell voltage between the plurality of battery cells and a current state of charge (SOC) of the battery module if charging or discharging the battery module.

POSITIVE ELECTRODE ACTIVE MATERIALS, POSITIVE ELECTRODES, AND RECHARGEABLE LITHIUM BATTERIES

Resumen de: EP4708379A1

A positive electrode active material is provide, the positive electrode active material including a first positive electrode active material including a lithium iron phosphate-based compound; and a second positive electrode active material including lithium nickel-based composite oxide; wherein the second positive electrode active material is included in an amount of ≥ 1 wt% to ≤ 15 wt% based on 100 wt% of the first positive electrode active material and second positive electrode active material. The positive electrode active material, the positive electrode including the same, and the rechargeable lithium battery according to some example embodiments may achieve high capacity and excellent or suitable stability.

ASSEMBLY MANUFACTURING EQUIPMENT AND METHOD FOR ELECTRODE ASSEMBLY

Resumen de: EP4708541A2

An electrode assembly manufacturing apparatus includes a stack table, a separator supply unit, first and second electrode supply units, and a side sealing device. A stack of a first electrode, a second electrode, and a separator between the first and the second electrode are stackable on the stack table. The separator supply unit is configured for supplying the separator to the stack table. The first electrode supply unit is configured for stacking the first electrode on a section of the separator on the stack table. The second electrode supply unit stacks the second electrode on a further section of the separator on the first electrode. A side sealing device heats at least one side surface of the stack.

SHREDDER APPARATUS

Resumen de: EP4706374A2

The present invention discloses a shredding device. The shredding device according to one or more embodiments of the present invention comprises: a shredding body for shredding materials; a frame for supporting the shredding body; and a power supply device that provides electric power to the shredding body. The shredding body comprises a housing, and the housing is provided with a power supply chamber for accommodating at least part of the power supply device. The shredding device according to the present invention features a compact structure, and is easy and safe to operate.

BATTERY RACK AND ENERGY STORAGE SYSTEM COMPRISING THE SAME

Resumen de: EP4708516A2

A battery rack according to an embodiment of the present disclosure includes a plurality of battery modules, each including at least one battery cell, wherein each battery module has at least one venting hole; a rack case accommodating the plurality of battery modules; and a plurality of support brackets disposed in the rack case such that each support bracket supports each battery module and is in communication with the at least one venting hole.

DEVICES, SYSTEMS, AND METHODS FOR CONTROLLING VENT GASES AND EJECTA FROM THERMAL RUNAWAY EVENTS IN ENERGY STORAGE SYSTEM

Nº publicación: EP4708462A2 11/03/2026

Solicitante:

ASPEN AEROGELS INC [US]
Aspen Aerogels Inc

Resumen de: EP4708462A2

The present disclosure relates to materials and systems to manage thermal runaway issues in battery modules. In exemplary embodiments, a battery module includes battery cells separated by spacer elements. To mitigate thermal runaway issues, spacer elements may be extended to the interior surface of the enclosure. A seal is formed between the spacer elements and the interior wall to form a thermal barrier between adjacent battery cells.