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1111
resultados
Última actualización
26/08/2025 [07:12:00]
Resultados 475 a 500 de 1111
Resumen de: EP4604199A1
Provided in the present application is a secondary battery. The secondary battery comprises: a negative electrode sheet and an electrolyte, wherein the negative electrode sheet comprises a silicon-carbon composite material having a three-dimensional network crosslinked pore structure; and the electrolyte comprises a carboxylate compound. By means of the cooperation of the three-dimensional network crosslinked pore structure of the silicon-carbon composite material and the carboxylate compound of the electrolyte, the volume effect of an active material during a charging and discharging process is inhibited, the internal resistance of the battery is reduced, and the cycle capacity retention rate and the charging and discharging performance at a high rate of the battery are improved.
Resumen de: EP4604210A1
A secondary battery, which comprises: a negative electrode sheet and an electrolyte, wherein the negative electrode sheet comprises a silicon-carbon composite material having a three-dimensional network crosslinked pore structure; and the electrolyte comprises a first component, the first component comprising one or more of compounds represented by formula (I) and formula (II). The structural formula of formula (I) or formula (II) is shown below, wherein R1, R2, R3 and R4 comprise at least one of a hydrogen atom, a fluorine atom and a fluorine-substituted or unsubstituted C1-C4 alkyl, and formula I contains fluorine. By means of the cooperation of the three-dimensional network crosslinked pore structure of the silicon-carbon composite material and the first component of the electrolyte, the volume effect of an active material during a charging and discharging process is inhibited, the internal resistance of the battery is reduced, and the cycle capacity retention rate of the battery is improved.
Resumen de: EP4604252A1
The present application provides a secondary battery. The secondary battery comprises: a negative electrode sheet and an electrolyte; the negative electrode sheet comprises a silicon-carbon composite material having a three-dimensional network cross-linked pore structure; the electrolyte comprises a first component, and the first component comprises a cyclic functional group containing a sulfate or sulfonate group. By means of coordination between the three-dimensional network cross-linked pore structure of the silicon-carbon composite material and the first component in the electrolyte, the volume effect of an active material in a charging-discharging process is inhibited, the interface stability is improved, and a cycle capacity retention rate and a high-temperature storage capacity retention rate of the battery are improved.
Resumen de: EP4603855A1
A battery diagnosis apparatus according to an embodiment disclosed herein includes an obtaining unit configured to obtain first voltage values of each of a plurality of battery units, an identifying unit configured to identify second voltage values in different idle periods from among the first voltage values, a determining unit configured to determine average voltage values of the different idle periods of each of the plurality of battery units, based on the second voltage values, and a diagnosing unit configured to diagnose an abnormality of each of the plurality of battery units, based on at least one deviation value among the average voltage values.
Resumen de: EP4604238A1
A battery material containing a solid electrolyte material and an ionic liquid, in which the solid electrolyte material contains an alkali metal element, a metal element or metalloid element except the alkali metal element, and a halogen element, and the ionic liquid contains an alkali metal ion as a cation.
Resumen de: GB2638133A
There is provided a method of determining a virtual sensor measurement for a reconfigurable thermal management system of an electric vehicle. The method comprises obtaining a plurality of virtual sensor models 602 with each virtual sensor model operable to determine a virtual sensor measurement based on at least one sensor measurement value. Each virtual sensor model is associated with a configuration of the thermal management system and capable of receiving an indication of a configuration of the thermal management system 604, receiving a sensor signal 606 indicating a sensor measurement value and selecting a virtual sensor model of the plurality of virtual sensor models based on the indication of the configuration of the thermal management system 608. A virtual sensor measurement value is then determined 610 based on the selected virtual sensor model and the received sensor signal, and a signal representative of the virtual sensor measurement value is output 612. A control system comprising processors configured to perform the method is also claimed. A vehicle comprising the control system is also claimed.
Resumen de: EP4604251A1
Provided in the present application is a secondary battery. The secondary battery comprises: a negative electrode sheet and an electrolyte, wherein the negative electrode sheet comprises a silicon-carbon composite material having a three-dimensional network crosslinked pore structure; and the electrolyte comprises a first component, the first component comprising one or more of compounds as shown in formula I or formula II. By means of the cooperation of the three-dimensional network crosslinked pore structure of the silicon-carbon composite material and the first component in the electrolyte, proton hydrogen in the electrolyte and an interface is effectively removed, such that damage caused by the proton hydrogen to an interface structure is inhibited, the interface stability is improved, an increase in direct-current internal resistance (DCR) during a circulation process is reduced, and the cycle life of the battery is prolonged.
Resumen de: EP4604242A1
The present application provides a secondary battery. The secondary battery comprises a negative electrode sheet and an electrolyte; the negative electrode sheet comprises a silicon-carbon composite material having a three-dimensional network cross-linked pore structure; the electrolyte contains a first component, the first component containing at least one of compounds represented by formula I and formula II. The cooperation of the three-dimensional network cross-linked pore structure of the silicon-carbon composite material and the first component of the electrolyte inhibits the volume effect of active materials during charge-discharge processes, and improves the initial coulombic efficiency and the cycle stability of batteries.
Resumen de: EP4604203A1
The present application provides a positive electrode plate and a manufacturing method therefor, a battery cell, a battery, and an electrical apparatus. The positive electrode plate comprises a current collector, a first positive electrode active material layer, and a second positive electrode active material layer; the first positive electrode active material layer is arranged on at least one side of the current collector, and the second positive electrode active material layer is arranged on the first positive electrode active material layer; the first positive electrode active material layer comprises a first positive electrode active material, the second positive electrode active material layer comprises a second positive electrode active material, the first positive electrode active material comprises a lithium-containing phosphate of olivine structure, and the second positive electrode active material comprises a cobalt-containing lithium metal oxide. The positive electrode plate can effectively improve the influence of the concentration polarization of a battery on the performance of the battery, thereby helping to improve the capacity and cycle performance of the battery.
Resumen de: PL447778A1
Przedmiotem zgłoszenia jest sposób wytwarzania pasty elektrodowej do ogniwa litowo-jonowego, który charakteryzuje się tym, że pasta elektrodowa zawiera dwa składniki stałe, tj. materiał aktywny w ilości powyżej 80% — 98% wag., korzystnie 95,0% - 97,5% wag. oraz spoiwo przewodzące PEDOT:PSS w ilości 2% — 20% wag., korzystnie 2,5% — 5,0% wag., przy czym spoiwo przeprowadza się na wstępnym etapie w postać zawiesiny w bezwodnym polarnym rozpuszczalniku organicznym, korzystnie aprotycznym, najkorzystniej w dimetylkosulfotlenku (DMSO), o zawartości polimeru 1% — 5% wag., korzystnie 2,5% wag., poprzez mieszanie mechaniczne przez 1 — 48 godzin, korzystnie 48 godzin, korzystnie z prędkością mieszanie nie mniejszą niż 400 obr./min, korzystnie nie mniejszą niż 1000 obr./min, korzystnie z wykorzystaniem ultrasonifikacji za pomocą głowicy ultradźwiękowej o mocy 10 — 500 W, korzystnie 150 W przez 0,1 — 2 min/ml pasty elektrodowej, korzystnie 0,5 min/ml pasty elektrodowej, a tak otrzymaną zawiesinę miesza się z materiałem aktywnym w pożądanej proporcji i poddaje się 2 — 5 godzinnej, korzystnie 4 godzinnej, homogenizacji mechanicznej z prędkością mieszania 200 — 500 obr./min, korzystnie 400 obr./min, a tak otrzymana homogenna pasta elektrodowa jest gotowa do użycia. Zgłoszenie obejmuje też sposób wytwarzania elektrod do ogniwa litowo-jonowego, który charakteryzuje się tym, że stosuje masę elektrodową opisaną powyżej, którą n
Resumen de: AT527967A1
Die vorliegende Erfindung betrifft ein Bordsystem (100) und ein Verfahren zur Bewertung eines Alterungszustands (SOH) einer Hochspannungsbatterie (30) mit mehreren Batteriezellen (31). Funktionale Module des Bordsystems und Verfahrensschritte betreffen: ein Einstellen (11, S11) eines Entladeimpulses über einen Messwiderstand (22) und einen Halbleiterschalter (21); ein Messen (12, S12) von Zellspannungen einzelner Batteriezellen (31) in einer vorstimmten Frequenz; ein Bestimmen (13, S13) von Spannungsdifferenzen zwischen minimalen Zellspannungen und maximalen Zellspannungen; ein Bestimmen (14, S14) eines Innenwiderstands der Hochspannungsbatterie (30), und ein Bestimmen (15, S15) eines SOH basierend auf einem Kennfeld.
Resumen de: FR3159114A1
L’invention concerne un véhicule automobile (2000) électrique ou hybride, comportant une batterie (100) alimentée par un chargeur embarqué (20) pour alimenter une machine électrique (30), comportant un circuit de régulation thermique (1000) convoyant un fluide caloporteur et comportant un circuit refroidisseur (200) intégrant la batterie (100) et coopérant avec un circuit condenseur (300), un circuit chargeur (400) comportant le chargeur embarqué (20) et la machine électrique (30) et coopérant avec un circuit radiateur (600) et avec le circuit condenseur (300), et un module de jonction (500) coopérant avec le circuit refroidisseur (200), le circuit chargeur (400) et le circuit radiateur (600), et comportant une première pompe de circulation (1) régulant le débit dans le circuit refroidisseur (200), et une deuxième pompe de circulation (2) régulant le débit dans le circuit chargeur (400). Figure de l’abrégé : Fig.3
Resumen de: FR3159258A1
Matériaux d’électrolytes polymères solides comprenant une matrice de caoutchouc thermoplastique anionique La présente invention concerne un matériau d’électrolyte polymère solide comprenant un sel de métal alcalin et une matrice de caoutchouc thermoplastique, dans lequel la matrice de caoutchouc thermoplastique comprend un mélange d'au moins une phase élastomère réticulée et d'au moins une phase polymère thermoplastique, ladite phase élastomère réticulée comprenant des chaînes de polymère élastomère portant un ou des groupements anioniques. Figure pour l'abrégé : Néant
Resumen de: FR3159257A1
ELEMENT ELECTROCHIMIQUE A ELECTROLYTE SOLIDE La présente invention concerne un élément électrochimique à électrolyte solide à distribution granulométrique bimodale comprenant des particules de taille dont la granulométrie est répartie selon deux distributions distinctes. Figure pour l'abrégé : aucune
Resumen de: WO2025169984A1
A non-aqueous electrolyte power storage element according to one aspect of the present invention comprises: a positive electrode containing a sulfur-based active material; and a non-aqueous electrolyte containing an electrolyte salt, an ionic liquid, and a non-aqueous solvent. The non-aqueous solvent contains a fluorinated cyclic ether.
Resumen de: WO2025170101A1
The present invention relates to a gasket structure and a method for manufacturing all-solid-state batteries using same. More specifically, the gasket structure comprises: a removable film; an adhesive layer disposed on the removable film and having a first line that separates along a first direction; and a gasket disposed on the adhesive layer and having a second line that separates along the first direction, wherein the adhesive layer comprises first openings, the gasket comprises second openings, the removable film comprises thirds openings, and the first, second, and third openings overlap on top of each other.
Resumen de: WO2025169975A1
This secondary battery disclosed herein comprises a positive electrode, a negative electrode facing the positive electrode, a separator disposed between the positive electrode and the negative electrode, and an electrolyte. The positive electrode and the negative electrode are wound via the separator, thereby constituting an electrode group that has a plurality of peripheries. The secondary battery further comprises a battery can that houses the electrode group. A heat conduction member is disposed between an inner wall of the battery can and the outermost periphery of the electrode group, and a maximum thermal conductivity σ max of the heat conduction member is 600 W/m・ K or more.
Resumen de: WO2025169829A1
Provided is an adapter that can be connected to a battery pack capable of switching output voltages, is compact in size, or offers high design flexibility. An adapter 200, 300 can be mounted to a first voltage switching battery pack 100 by sliding backward with respect to the first voltage switching battery pack 100. A battery-side terminal 206, 306 and a body-side terminal 210, 310 are separated away from each other in the front-back direction, and a contact part of the battery-side terminal in contact with a battery terminal 102 overlaps the body-side terminal in the vertical direction.
Resumen de: WO2025167177A1
A battery cell (100), a battery (1000), and an electric device (2000). The battery cell (100) comprises: an electrode assembly (10), the electrode assembly (10) having a main body portion (11) and a tab (12), wherein the tab (12) protrudes from the main body portion (11) in a first direction (F1); a casing (20), which is configured to accommodate the electrode assembly (10); and an electrode terminal (30), the electrode terminal (30) being arranged on the casing (20), wherein the electrode terminal (30) is located on one side of the tab (12) in a second direction (F2), at least part of the electrode terminal (30) and at least part of the tab (12) are arranged opposite each other in the second direction (F2), and the second direction (F2) is perpendicular to the first direction (F1).
Resumen de: WO2025167146A1
A positive electrode material and a preparation method therefor, and a battery. The positive electrode material is a lithium nickel cobalt oxide composite oxide, which comprises an inner core and a surface reconstruction layer located outside the inner core, wherein the surface reconstruction layer is a region etched by using 100-times diluted aqua regia to dissolve the positive electrode material for 30 minutes, with the environmental temperature being controlled to be 300°C during dissolution; and the inner core is the residual region of the positive electrode material after the surface reconstruction layer is etched. The molar content of Li in the inner core is m1, and the molar content of Li in the surface reconstruction layer is m2, wherein 1.3≤m2/m1≤4.0. While the positive electrode material has a high capacity, the crystal structure stability of the positive electrode material is improved, thereby improving the cycling stability and withstand voltage of the positive electrode material.
Resumen de: WO2025167145A1
A positive electrode material, comprising first lithium iron phosphate particles and second lithium iron phosphate particles. The primary average particle size of the first lithium iron phosphate particles is 500 nm to 3000 nm. Calculated based on the total weight of the second lithium iron phosphate particles, the carbon content of the second lithium iron phosphate particles is 1.5 wt% to 2.0 wt%, and the mass of the second lithium iron phosphate particles is greater than or equal to the mass of the first lithium iron phosphate particles. A battery prepared using said positive electrode material can have both good energy density and good cycle performance.
Resumen de: WO2024157725A1
The present invention provides: an all-solid-state secondary battery which has a low internal resistance; and an electrode for constituting the all-solid-state secondary battery. An all-solid-state secondary battery according to the present invention relates to goals 3, 7, 11 and 12 of the SDGs. An electrode for all-solid-state secondary batteries according to the present invention is used for an all-solid-state secondary battery which comprises a solid electrolyte layer, and is characterized by comprising a molded body of an electrode mixture that contains an electrode active material, a conductive assistant and a solid electrolyte, while being also characterized in that: the particle diameter D90 of the electrode active material is 1.5 µm or less; and if A (µm) is the average particle diameter D50 of the electrode active material and B (µm) is the average particle diameter D50 of the conductive assistant, the relational expression 0.4 ≤ B/A ≤ 1.5 is satisfied. In addition, an all-solid-state secondary battery according to the present invention comprises a positive electrode, a negative electrode, and a solid electrolyte layer that is interposed between the positive electrode and the negative electrode, and is characterized in that at least one of the positive electrode and the negative electrode is the above-described electrode for all-solid-state secondary batteries.
Resumen de: KR20250122771A
본 발명은 전극 조립체에 관한 것으로, 본 발명의 일 측면에 따른 전극 조립체는 기준축을 휘감는 나선 방향을 따라 연장된 제1 연장부; 상기 제1 연장부로부터 상기 나선 방향을 따라 연장된 제2 연장부; 및 상기 제2 연장부로부터 상기 나선 방향을 따라 연장되되, 적어도 일부가 상기 중심축과 나란한 방향으로 상기 제1 연장부와 접하는 제3 연장부를 포함하고, 상기 제1 내지 제3 연장부는, 전기 에너지를 충방전할 수 있도록 마련될 수 있다.
Resumen de: KR20250122874A
본 개시에 따르면, 복수의 배터리 셀들을 포함하는 셀 조립체, 상기 셀 조립체를 덮고, 관통 홀을 포함하는 모듈 커버 및 상기 셀 조립체를 지지하고, 슬릿을 포함하는 메인 플레이트를 포함하는 모듈 하우징, 상기 관통 홀 내에 배치되고, 상기 모듈 하우징 내부의 압력에 기초하여 상기 모듈 커버로부터 이탈되도록 구성된 벤팅 부재, 및 상기 슬릿 내에 배치된 차단 부재를 포함하는 배터리 모듈이 제공될 수 있다. 상기 관통 홀은 각각 상기 모듈 커버의 제1 내면에 형성된 제1 개구, 및 상기 모듈 커버의 제1 외면에 형성된 제2 개구를 포함하고, 상기 제1 개구의 제1 면적은 상기 제2 개구의 제2 면적보다 작을 수 있다.
Nº publicación: KR20250122666A 14/08/2025
Solicitante:
주식회사에스이
Resumen de: KR20250122666A
본 발명은 이차전지용 셀 공급장치에 관한 것으로, 일측에 양극재의 셀(113)이 적층된 양극재 트레이(111)와, 타측에 음금재의 셀(113)이 적층된 음극재 트레이(112)가 설치된 베이스플레이트(110); 상기 양극재 트레이(111)에 적층된 셀(113)을 이동시킬 수 있도록 수평 방향으로 회전 가능하게 설치된 제1 턴테이블(121)과 제2 턴테이블(123) 및 상기 제2 턴테이블(123)에 대하여 수직 방향으로 회전 가능하게 제3 턴테이블(125)이 설치된 양극재공급부(120); 상기 음극재 트레이(112)에 적층된 셀(113)을 이동시킬 수 있도록 수평 방향으로 회전 가능하게 설치된 제4 턴테이블(131)과 제5 턴테이블(133) 및 상기 제5 턴테이블(133)에 대하여 수직 방향으로 회전 가능하게 제6 턴테일블(135)이 설치된 음극재공급부(130);를 마련하여 턴테이블에 방사상으로 설치된 다수의 셀 승강유닛과 셀 흡착유닛에 의해 이동시킴으로써 셀의 이동 시간, 즉 작업 시간을 대폭 줄일 수 있으며, 셀을 보다 빠르게 이동시켜 이차전지의 생산성을 향상시킬 수 있다는 효과가 얻어진다.
BOPI
Sede Electrónica
