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1336
resultados
Última actualización
14/09/2025 [07:14:00]
Resultados 1300 a 1325 de 1336
Resumen de: EP4611102A1
The present application provides a secondary battery and an electrical apparatus. The secondary battery comprises a battery case having an accommodating cavity, a cell assembly disposed in the accommodating cavity, and an electrolyte containing a first additive, the first additive comprising a sulphate compound; wherein a ratio W/R of a mass percentage W of the sulphate compound to a residual space R is within a range of 0.03% to 40% based on the total mass of the electrolyte, which enables the secondary battery to achieve a balance between service life and energy density.
Resumen de: EP4611121A1
A battery-module (100) is provided which comprises a first battery-cell and a second battery-cell (101), and a heat-spreader (103) for passively dissipating heat from the first to the second battery-cell (101). The heat-spreader (103) has a first section (105) and a second section (106). The first section (105) comprises a first volume (107) and a first contact-portion (201), wherein the first contact-portion (201) restricts the first volume (105) in a direction towards the first battery-cell (101) and is in thermally conductive physical contact with the first battery-cell (101) such that the first battery-cell (101) and the heat-spreader (103) can exchange heat at the first section (105). The second section (106) comprises a second volume (108) and a second contact-portion (202), wherein the second contact-portion (202) restricts the second volume (108) in a direction towards the second battery-cell (101) and is in thermally conductive physical contact with the second battery-cell (101) such that the second battery-cell (101) and the heat-spreader (103) can exchange heat at the second section (106). The heat-spreader (103) has a cooling-medium (109, 111; 431, 433) for 2-phase cooling of the first and second battery-cells (101). The first and the second section (105, 106) communicate with each other such that a transition from the first to the second aggregate-state of the cooling-medium (109, 111; 431, 433) causes a transport of cooling-medium (109, 111; 431, 433) from the f
Resumen de: EP4611124A1
Dargestellt und beschrieben ist ein Batteriemodul (47) mit einer Mehrzahl an elektrischen Zellen (3), einem Zellträger (2) und einem Gehäuse (48). Jede der Zellen (3) weist ein zylinderförmiges Zellgehäuse (4) mit einer Zelllängsachse (5), einem Zellmantel (6), einer ersten Zellkappe (7) und einer zweiten Zellkappe (8) auf. Bei jeder der Zellen (3) schließt die erste Zellkappe (7) ein erstes Ende des Zellmantels (6) ab und ist in der ersten Zellkappe (7) ein erster elektrischer Zellkontakt (9) und schließt die zweite Zellkappe (8) ein zweites Ende des Zellmantels (6) ab und ist in der zweiten Zellkappe (8) ein zweiter elektrischer Zellkontakt (10). Der Zellträger (2) weist für jede der Zellen (3) eine Zellaufnahme (11) mit einer Aufnahmelängsachse (12) für eine Aufnahme der Zelle (3) auf. Jede der Zellen (3) ist in einer der Zellaufnahmen (11) angeordnet und die Aufnahmelängsachse (12) und die Zelllängsachse (5) fallen zusammen. Der Zellträger (2) ist im Gehäuse (48) angeordnet.Die Erfindung löst die Aufgabe, ein Batteriemodul (47) für Immersionskühlung anzugeben, welches zumindest einen der Nachteile mechanischer Aufwand, Herstellungsaufwand, Handhabungsaufwand im Stand der Technik abmildert oder überwindet.Die Aufgabe ist dadurch gelöst, dass die Aufnahmelängsachsen (12) parallel zueinander sind, dass der Zellträger (2) in einer Trägerebene (13) senkrecht zur Aufnahmelängsachse (12) in einen ersten Teilträger (14) und einen zweiten Teilträger (15)
Resumen de: EP4610289A1
The present invention relates to a composition for preparing shaped body with improved resistance to compositions comprising lithium salts, the composition comprising an elastomer comprising polyurethane units and ethylenically unsaturated units, wherein the elastomer is obtained or obtainable by reacting a composition (PC) comprising at least one polyol (P1) and at least one compound (E1) which comprises at least one ethylenically unsaturated group and an isocyanate component (IC) comprising at least one polyisocyanate. The present invention also relates to a shaped body with improved resistance to compositions comprising lithium salts, the shaped body comprising said composition, a process for preparing a shaped body and also the use of the composition according to the present invention for the preparation of a shaped body, wherein the shaped body is an electronic device or part thereof or a component in a battery.
Resumen de: MX2025009936A
The present invention provides a welding structure of a battery can, a current collecting plate, and a cap, a battery cell using same, and a manufacturing method therefor. The current collecting plate of the battery cell includes: a main body part connected to an electrode tab of an electrode assembly; a can connection part disposed on the radial direction outer side of the main body part and connected to a sidewall member and/or the cap; and a bridge having a radial direction inner side that is connected to the main body part, and having a radial direction outer side that is connected to the can connection part and extends in the radial direction. The bridge includes: a first bent part bent such that the extension direction of a bridge part extending toward the radial direction outer side faces an axial direction outer side; a second bent part bent such that the extension direction of the bridge part extending toward the axial direction outer side faces the radial direction outer side; and an offset bridge part having a radial direction inner side connected to the first bent part and a radial direction outer side connected to the second bent part. Therefore, the influence of welding heat of the can and the cap on the electrode assembly through the current collecting plate can be minimized.
Resumen de: MX2025009405A
Systems and methods provide for battery conditioning for high voltage (HV) electrical vehicles. Battery temperatures are monitored, and responsive to one or more battery temperatures falling within designated ranges, one or more battery temperatures may be increased via heating in order to provide for more uniform battery performance and conditioning.
Resumen de: MX2025009455A
Graphenic carbon nanoparticles that are dispersed in solvents through the use of dispersant resins are disclosed. The graphenic carbon nanoparticles may be milled prior to dispersion. The dispersant resins may comprise a polymeric dispersant resin comprising an addition polymer comprising the residue of a vinyl heterocyclic amide, an addition polymer comprising a homopolymer, a block (co)polymer, a random (co)polymer, an alternating (co)polymer, a graft (co)polymer, a brush (co)polymer, a star (co)polymer, a telechelic (co)polymer, or a combination thereof. The solvents may be aqueous, non-aqueous, inorganic and/or organic solvents. The dispersions are highly stable and may contain relatively high loadings of the graphenic carbon nanoparticles.
Resumen de: MX2025009451A
The invention relates to a process for obtaining phosphorus compounds and iron compounds from iron phosphate-containing materials, characterized by i) reacting an iron phosphate-containing material with chlorine gas in the presence of a carbon source at a temperature of 300 to 900°C and ii) removing the formed chlorophosphorus compounds, more particularly phosphorus oxychloride and optionally phosphorus trichloride and iron chloride in an off-gas flow, and iii) branching off from the off-gas flow the iron chloride and iv) separating off the chlorophosphorus compounds.
Resumen de: MX2025009353A
The present invention relates to a negative electrode and a method for manufacturing same. The negative electrode includes a carbon-based negative electrode active material and a silicon-based negative electrode active material at a predetermined content ratio, and, by the control of the degree of alignment (O.I) of the carbon-based negative electrode active material of the negative electrode active layer including the negative electrode active materials to be within a predetermined range, has high charge/discharge capacity and excellent lifespan characteristics. In addition, a lithium secondary battery comprising the negative electrode has the advantages of having excellent output characteristics, and enabling charging in a short time even at a 1C-rate.
Resumen de: MX2025009351A
A pouch-type secondary battery according to the present invention comprises: an electrode assembly: an electrode assembly; an exterior material including an accommodation part for accommodating the electrode assembly, and a terrace part formed along a periphery of the accommodation part and having a sealing part having a portion of the width sealed; an electrode lead electrically connected to the electrode assembly and protruding to the outside of the exterior material; a lead film disposed between the electrode lead and the exterior material; a gas guide part disposed between the electrode lead and the lead film and including a permeation portion provided on an outer side of the sealing part and at least one gas passage extending from the permeation portion toward the electrode assembly via the sealing part; and a reinforcing film disposed on the lead film so as to cover at least a portion of the permeation portion. In addition, the reinforcing film includes an insertion part that occupies a portion of the width of the sealing part, wherein the insertion part is a region in which one end of the reinforcing film extends toward the inside of the exterior material and is inserted between the exterior material of the sealing part and the lead film.
Resumen de: MX2025009039A
The present invention relates to a pouch-type secondary battery with improved safety. In particular, the pouch-type secondary battery comprises: a pouch-type battery case accommodating an electrode assembly and an electrolyte; and an explosion prevention member formed to surround a partial circumference of the pouch-type battery case, wherein the explosion prevention member may comprise: a ring-type elastic band surrounding the partial circumference of the pouch-type battery case; and a scratch-causing chip disposed between the pouch-type battery case and the elastic band.
Resumen de: MX2025009329A
The present invention relates to a negative electrode and a method for manufacturing same. The negative electrode includes a negative electrode active layer having a two-layer structure on a negative electrode current collector, wherein the negative electrode includes a carbon-based negative electrode active material and a silicon-based negative electrode active material in a second negative electrode active layer, which is an upper layer, at a predetermined content ratio and has, by the adjustment of a degree of alignment (O.I) of a first negative electrode active layer, which is a lower layer, and a ratio of the degree of alignment of the first negative electrode active layer to the degree of alignment of the second negative electrode active layer (O.I<sub>1st</sub>/O.I<sub>2nd</sub>) to be within predetermined ranges, high charge/discharge capacity. In addition, a lithium secondary battery comprising the negative electrode has the advantages of having excellent output characteristics, and enabling charging in a short time even at a 1C-rate.
Resumen de: MX2025009023A
The invention relates to a reinforcement frame (1) for a battery pack (2) of an electric or hybrid vehicle (37), said battery pack comprising a plurality of battery cells lying on and secured to a shield element, said reinforcement frame comprising at least: - a reinforcement frame fastening portion (3) provided to be secured to both the battery pack and the body of the vehicle, and - a reinforcement frame hollow portion (4) provided to surround at least the battery cells.
Resumen de: MX2025009330A
The present invention relates to a negative electrode for a lithium secondary battery and a manufacturing method therefor, wherein the negative electrode includes a predetermined content of a silicon-based negative electrode active material in a first negative electrode active layer in contact with a negative electrode current collector, and has, by the adjustment of an alignment degree of the first negative electrode active layer (O.I<sub>1st</sub>) and a ratio of the alignment degree of the first negative electrode active layer to the alignment degree of a second negative electrode active layer (O.I<sub>1st</sub>/O.I<sub>2nd</sub>) to within predetermined ranges, not only high charge/discharge capacity but also excellent adhesion between the negative electrode current collector and the negative electrode active layer. In addition, a lithium secondary battery including the negative electrode may have excellent lifespan characteristics and output characteristics, and can be charged in a short time even at a 1C-rate.
Resumen de: MX2025008981A
The present invention provides a lithium secondary battery including: a battery case; an electrode assembly housed inside the battery case; and an electrolyte, wherein the electrode assembly includes a positive electrode including a positive electrode active material, a separator, and a negative electrode including a negative electrode active material, the electrolyte includes LiPF<sub>6</sub> as a lithium salt and ethylene carbonate as an organic solvent, and the lithium secondary battery has a ratio of a diameter (R) to a height (H) (form factor ratio) of a battery case of 0.4 or more, and satisfies a condition of the following formula (1): Formula (1) (in formula (1), H is the height (mm) of the battery case, R is the diameter (mm) of the battery case, W<sub>LiPF6</sub> is a percentage (%) of the content of LiPF<sub>6</sub> with respect to the total weight of the electrolyte, W<sub>EC</sub> is a percentage (%) of the content of ethylene carbonate with respect to the total weight of the electrolyte, and W<sub>EL</sub> means the weight (g) of the total electrolyte included in the lithium secondary battery).
Resumen de: MX2025008999A
A pouch-type secondary battery, according to the present invention, comprises: an electrode assembly; a pouch-type case including an accommodation portion that accommodates the electrode assembly, and a terrace portion that is provided along the periphery of the accommodation portion and has a sealing portion in which a portion of the width thereof is sealed; an electrode lead connected to the electrode assembly and protruding from the exterior of the pouch-type case via the terrace portion; a lead film disposed between the electrode lead and the pouch-type case; and a gas guiding film disposed between the electrode lead and the lead film. In addition, the gas guiding film comprises: a permeation portion formed on the outer side of the sealing portion; and one or more gas flow paths passing through the sealing portion and formed such that the permeation portion and the interior of the pouch-type case are connected to each other, wherein a gas discharge coefficient (C<sub>R</sub>) is from 10 to 25.
Resumen de: MX2025008808A
Top cover of a battery pack comprising a metallic coated steel sheet covered on both sides by an organic coating, wherein said organic coating is thinner on the inner side of the battery pack than on the outer side of the battery pack.
Resumen de: MX2025008994A
An electric battery assembly is provided comprising: a battery cell having a positive terminal and a negative terminal; an electronic unit comprising a measurement device and a wireless transmitter; a support structure configured for attachment to the battery cell, and arranged to house the electronic unit, the support structure comprising at least one conducting element arranged to electrically couple the electronic unit to the positive and negative terminals, to thereby provide electrical power for the wireless transmitter and the measurement device; and wherein the measurement device is configured to measure a property of the battery cell, and the wireless transmitter is configured to wirelessly transmit the measured property.
Resumen de: MX2025006834A
Disclosed are techniques for reducing out-of-plane protrusions while singulating an electrode from a web. In some embodiments, feed rollers feed perforated web material from a roll, tear and position rollers receive a portion of the perforated web material from the feed rollers, and a servo motor changes speed of at least one of the feed rollers and tear and position rollers to thereby generate a tearing force, applied to the portion of the perforated web material, that singulates the portion in a predefined shape of an electrode.
Resumen de: MX2025008710A
The present invention relates to a lithium secondary battery comprising: a cathode; an anode; and a separator provided between the cathode and the anode, the cathode comprising, as a cathode active material, lithium composite transition metal compound particles in a single particle form containing nickel, cobalt, and manganese, the anode comprising silicon-based particles as an anode active material, wherein the specific surface area of the silicon-based particles is at least four times that of the lithium composite transition metal compound particles.
Resumen de: MX2025008698A
The invention concerns an assembly (1) for battery holder comprising a first structural element (10); a second profile (30) presenting a hollow section delimiting internally an adhesion surface (s30), and a mating cavity (31); a junction organ (50) inserted inside the mating cavity (31) and comprising at least one fixing hole (51), the junction organ (50) comprising externally a junction surface (s50) facing the adhesion surface (s30); an adhesive agent (20) interposed between the junction surface (s50) and the adhesion surface (s30), the adhesive agent (20) being configured to allow an adhesion between the junction surface (s50) and said adhesion surface (s30); and a fixing member (40) comprising a fixing rod (41) screwed into the fixing hole (51); the fixing member (40) and the junction organ (50) being thereby configured to secure the first structural element (10) with the second profile (30).
Resumen de: MX2025009761A
A battery module is disclosed. The battery module according to an aspect of the present invention may include: a frame which provides an inner space and has an open front side and a top plate having formed therein venting holes; a plurality of battery cells accommodated in the inner space and arranged in the left-right direction; an end cover coupled to the front side of the frame; and a filling member filled between the plurality of battery cells and the end cover.
Resumen de: MX2025009635A
The present invention relates to a lithium secondary battery comprising a positive electrode, a negative electrode, a separator, and an electrolyte, wherein the discharge potential of the negative electrode is controlled to 0-1.5 V (vs. Li/Li+) without using the full profile of the negative electrode, and the cut-off potential of the negative electrode is controlled to be less than the discharge potential of the negative electrode according to the type of the negative electrode, thereby leaving residual negative electrode capacity and thus improving lifespan characteristics.
Resumen de: MX2025009548A
Aluminum oxide powder and method of making, the powder consisting of aggregates of primary particles, characterized in that it has an aggregate particle size distribution with a median aggregate particle size (D50) of 220 nm to 500 nm, preferably of 230 to 400 nm, and more preferably of 250 nm to 300 nm as determined by dynamic light scattering measurement, and it has a BET of 10 m<sup>2</sup>/g to 100 m<sup>2</sup>/g.
Nº publicación: MX2025009269A 02/09/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG ENERGY SOLUTION, LTD
Resumen de: MX2025009269A
A pouch-type secondary battery according to the present invention comprises: an electrode assembly; an exterior comprising an accommodation unit for accommodating the electrode assembly, and a terrace unit formed along the circumference of the accommodation unit and having a sealing unit in which a portion of the width is sealed; an electrode lead which is electrically connected to the electrode assembly and protrudes to the outside of the exterior; a lead film disposed between the electrode lead and the exterior; a gas induction unit disposed between the electrode lead and the lead film and including a transmission unit provided outside the sealing unit and at least one gas flow path extending from the transmission unit toward the electrode assembly via the sealing unit; and a reinforcing film disposed on the lead film so as to cover at least a portion of the transmission unit, wherein the reinforcing film has a single-layer structure.
BOPI
Sede Electrónica
