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1603
resultados
Última actualización
09/11/2025 [07:15:00]
Resultados 700 a 725 de 1603
Resumen de: US2025326643A1
A positive electrode active material for a rechargeable lithium battery, a preparation method of the positive electrode active material, and a rechargeable lithium battery including the positive electrode active material are disclosed. The positive electrode active material may include a first particle containing a compound represented by Formula 1 and having a first average particle diameter and a second particle containing a compound represented by Formula 2 and having a second average particle diameter smaller than the first average particle diameter, wherein an amount of the first particle may be equal to or greater than an amount of the second particle. A more detailed description of Chemical Formulae 1 and 2 is provided in the present disclosure.
Resumen de: CN120457564A
The present invention addresses the problem of providing: a film which is not susceptible to thermal damage when a thick layer comprising a metal and/or a metal-based compound is directly deposited by vapor deposition; a current collector which uses the film and which has excellent external stress resistance; and a secondary battery which uses the current collector and which has excellent pressure durability. Solution A secondary battery equipped with a current collector having a layer comprising a metal and/or a metal-based compound and having a thickness of 0.2-3.0 mu m (inclusive) on both surfaces of a polyester film that satisfies the following conditions (1) and (2). (1) The polyester film has a thickness of 1 mu m or more and 30 mu m or less. (2) The polyester film has a resin layer containing 0.1% by mass or more but less than 5.0% by mass of conductive particles.
Resumen de: US2025329798A1
Disclosed are a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the positive electrode. The positive electrode includes a positive electrode current collector, a safety functional layer on the positive electrode current collector, and a positive electrode active material layer on the safety functional layer, wherein the safety functional layer includes a lithium iron phosphate-based compound and an endothermic material.
Resumen de: KR20250155313A
복수의 기공을 갖는 고분자 다공지지체; 및 상기 고분자 다공지지체의 기공 내부 또는 상기 고분자 다공지지체의 기공 내부 및 적어도 일면에 위치하고, 바인더 고분자 및 무기 필러를 포함하는 무기물 혼성 공극층;을 포함하는 분리막으로서, 상기 분리막의 기공율의 변화율이 35% 내지 75%이고, 상기 분리막의 기공율의 변화율이 하기 식 1로 정의되는 것을 특징으로 하는 분리막, 및 및 이를 포함하는 리튬 이차전지가 제시된다: 식 1 기공율의 변화율(△P)(%) = P(분리막)-P(고분자 다공지지체)/P(고분자 다공지지체) X 100 상기 식 1에서, P(고분자 다공지지체)는 고분자 다공지지체의 기공율이고, P(분리막)은 분리막의 기공율이다.
Resumen de: KR20250155225A
본 발명에 따른 활성화 장치는, X축 방향으로 배열되어 있고, ±X 축 방향으로 이동 가능하게 구성되며, 내부에 유로가 형성된 다수의 압착 플레이트; 를 포함하는 하나 또는 둘 이상의 포메이션 지그; 상기 유로를 통과하는 용매; 상기 용매를 냉각하거나 가열하기 위한 하나 또는 둘 이상의 칠러; 및 상기 유로와 칠러를 연결하는 배관을 포함한다.
Resumen de: US2025329793A1
A secondary battery, including, in some examples: an electrode assembly comprising a positive electrode plate and a negative electrode plate separated by a separator and wound in a cylindrical shape, a positive electrode tab spaced apart from an outer circumferential surface of the cylindrical shape toward an inside of the cylindrical shape and connected to the positive electrode plate, and a negative electrode tab connected to the negative electrode plate; a housing can configured to receive the electrode assembly, electrically connected to the negative electrode tab, and having an open area at one side; and a cap assembly electrically connected to the positive electrode tab and configured to close the open area to seal the electrode assembly from an outside region.
Resumen de: US2025329836A1
A battery module including a battery cell stack including a plurality of battery cells arranged in a stacking direction and a housing configured to accommodate the battery cell stack. The housing includes a bottom portion; a top portion; two side portions arranged opposite to each other in the stacking direction and interconnecting the bottom portion and the top portion in a height direction; and a side opening through which the battery cell stack is insertable into the housing in an insertion direction, the insertion direction being orthogonal to the stacking direction and being orthogonal to the height direction. The top portion includes an opened section overlaying the electrode terminals and the venting valves of the plurality of battery cells of the battery cell stack when the battery cell stack is accommodated in the housing.
Resumen de: JP2025015646A
To provide a positive electrode active material that is used for a lithium ion secondary battery to suppress the decrease in capacity in a charging and discharging cycle.SOLUTION: In a surface layer part of a positive electrode active material, a coating layer is formed by segregation. The positive electrode active material includes a first region and a second region. The first region exists internally. The second region exists in a part of the surface layer part and the inside. The first region contains lithium, transition metal, and oxygen. The second region contains magnesium, fluorine, and oxygen.SELECTED DRAWING: Figure 1
Resumen de: AU2024240568A1
The invention relates to a method for recycling a battery, having the steps of: (a) providing an at least partially discharged battery, (b) comminuting the at least partially discharged battery in a process chamber (11) in order to obtain battery parts, (c) drying the battery parts in a process chamber (11) in order to obtain dried battery parts and a separated gas, and (d) packing the dried battery parts in order to form a package. The invention is characterized in that steps (b) and (c) are carried out in the same process chamber (11). The invention additionally relates to a mobile device for recycling a battery using the method and to a package in which 1 to 30 kg of battery parts are contained and which can be obtained using the method.
Resumen de: US2025337039A1
A battery pack. The battery pack is configured to accommodate a battery module, and the battery module includes a plurality of cells. In the embodiments, thermistors are disposed on cells at a front end, the middle, and a rear end in the plurality of cells respectively, to learn of a temperature range of the entire battery pack and a temperature change rate of the battery pack, so that detection accuracy of a temperature of the battery pack can be ensured while quantities of collection components and collection ports in the battery pack are reduced.
Resumen de: US2025337035A1
The present application provides a system and method for discharging and processing of lithium ion batteries to extract one or more metals. The extracted metals are in a powder form that can be reused at second stage processing facilities. The extracted metal powder can include lithium and at least one of cobalt, nickel, manganese, and carbon.
Resumen de: WO2025224751A1
The present invention relates to a doped cathode material that contains active material made up of a layered transition metal oxides-based structure, for rechargeable metal-ion batteries. The present invention further relates to a method of producing a doped cathode material having novel stoichiometry capable of preparing alkali ion batteries for yielding high voltage operation.
Resumen de: WO2025224747A1
The present invention discloses a doped cathode material that contains active material made up of layered transition metal oxides-based structure, for rechargeable metal-ion batteries. The present invention further discloses a method of producing a doped cathode material having novel stoichiometry capable of preparing alkali ion batteries.
Resumen de: WO2025224748A1
The present invention pertains to doped cathode material that contains active material made up of layered transition metal oxides-based structure, for rechargeable metal-ion batteries. The present invention further provides a mixed cation doped cathode active material of layered transition metal oxides-based structure suitable for rechargeable metal-ion batteries with higher capacity.
Resumen de: WO2025227107A1
A battery charger includes a first charging bay including a first charging dock configured to be physically and electrically coupled to a first battery, a second charging bay including a second charging dock configured to be physically and electrically coupled to a second battery, and a first junction box electrically coupled to and separating the first charging dock and the second charging dock. A first front side of the first charging dock is configured to couple to the first battery, a second front side of the second charging dock is configured to couple to the second battery, and the first junction box is directly coupled to a first back side of the first charging dock and a second back side of the second charging dock.
Resumen de: WO2025226660A1
Ultra-conductive solid-state polymer electrolytes are disclosed. A method of synthesizing the electrolytes involves doping graphene oxide sheets with ion transfer mediators, mixing the doped graphene oxide sheets into a base polymer electrolyte, and reorienting the doped graphene oxide sheets by applying an electrical field and/or a magnetic field while the polymer mixture is fluidal.
Resumen de: WO2025226699A1
Disclosed herein is a cathode material comprising: a structure comprising LiaMnxFeyDz(PO4)c, wherein the cathode material comprises at least two phases, wherein a first phase is an olivine phase, and a second phase, and wherein the olivine phase is present in an amount greater than 90 wt% based on the total weight of the at least two phases, wherein 1 ≤ a ≤ 1.2 wherein 0.4 ≤ x ≤ 0.8, wherein 0.2 ≤ y ≤ 0.6, wherein 1 ≤ c ≤ 1.1, wherein D comprises one or more cations different from Li+, Mn2+, and Fe2+, wherein D comprises at least Al3+ and Si4+, and wherein at least an amount of Al3+ and Si4+ is present in the second phase; wherein z is a total amount of moles of D present and is 0.01 ≤ z ≤ 0.1 wherein x + y + z = 1; and wherein the cathode material exhibits an electrode press density of greater than 2.2 g cm-3; and an electrode volumetric density equal to or greater than 1200 Wh L-1.
Resumen de: WO2025226202A1
A battery (1) comprising an electrochemical cell and a cell case (2) encapsulating the electrochemical cell. The battery (1) further comprises a gas release device (15) configured to reduce a possible pressure difference between the interior of the cell case (2) and the atmosphere surrounding the cell case (2). The gas release device (15) comprises one or more membranes (18, 28), said one or more membranes (18, 28) having a ratio of carbon dioxide permeability to oxygen permeability of equal to or higher than 3 at room temperature. The battery (1) may be comprised in an energy storage device (50) and/or in a vehicle (100).
Resumen de: WO2025226438A1
The present disclosure is directed to lithium electrodeposition systems and methods of using such electrodeposition systems. Specifically, the electrodeposition systems disclosed herein can include a catholyte chamber and at least one anolyte chamber, wherein the catholyte chamber is configured to receive an electrode substrate such that a width direction of the electrode substrate is substantially parallel to the direction of gravity as it moves through the catholyte chamber. In addition, the system can be configured to flow lithium ions from the anolyte chamber to the catholyte chamber through an ion-permeable membrane and deposit lithium metal on a side of the electrode substrate as it moves through the catholyte chamber.
Resumen de: WO2025225910A1
Disclosed are a polymer electrolyte and a lithium metal battery comprising same, the polymer electrolyte comprising a crosslinked polymer including: a repeating unit (A) derived from a first crosslinkable monomer including three or more double bond functional groups including an ester bond; and a repeating unit (B) derived from a second crosslinkable monomer including two or more double bond functional groups including an ester bond.
Resumen de: WO2025225886A1
The present disclosure relates to a positive electrode for a rechargeable lithium battery, and a rechargeable lithium battery including same, wherein the positive electrode comprises: a first positive electrode active material comprising core particles including a lithium cobalt-based oxide doped with Al, Mg, or a combination thereof, and a coating layer disposed on the surface of the core particles and including Zr, Ti, or a combination thereof; a second positive electrode active material comprising core particles including a lithium cobalt-based oxide doped with Al, Mg, or a combination thereof, and a coating layer disposed on the surface of the core particles and including Zr, Ti, or a combination thereof, the second positive electrode active material having a smaller average particle diameter (D50) than the first positive electrode active material; a first fluorine-based binder free of polar functional groups; a second fluorine-based binder containing polar functional groups; and a conductive material, with the weight ratio of the first fluorine-based binder to the second fluorine-based binder being 90:10 to 99:1.
Resumen de: WO2025225804A1
The present invention relates to a battery module with improved manufacturing efficiency, and a battery pack and a vehicle comprising the batter module, the battery module comprising: a plurality of battery cells; and a plurality of module frames, each accommodating the plurality of battery cells, and provided as standardized frames that can be coupled to each other.
Resumen de: WO2025225798A1
The present invention relates to a negative electrode for an all solid-state battery and an all solid-state battery including same, wherein the negative electrode for an all solid-state battery comprises a negative electrode coating layer that comprises a mixture of metal particles and a carbon-based material and that has a first peak appearing at a binding energy of 160eV-162eV and a second peak appearing at a binding energy of 163eV-165eV, in the S2p spectrum, when measured using X-ray photoelectron spectroscopy (XPS), the ratio of the second peak to the first peak being 3-12.
Resumen de: WO2025225901A1
A battery module according to one embodiment of the present invention comprises: a battery cell stack formed from plurality of stacked battery cells; a module case which includes an upper plate disposed above the battery cell stack, and which is for accommodating the battery cell stack; and an aerogel layer disposed between the upper plate and the battery cell stack. The battery module according to one embodiment of the present invention can delay thermal propagation, and can prevent a back flame going from the inside of the battery module to a cell.
Nº publicación: WO2025226137A1 30/10/2025
Solicitante:
SAMSUNG SDI CO LTD [KR]
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Resumen de: WO2025226137A1
The present invention relates to a positive electrode for a rechargeable lithium batteries and rechargeable lithium batteries, the positive electrode comprising: a positive electrode current collector; and a positive electrode active material layer positioned on the positive electrode current collector and containing a positive electrode active material and pseudo boehmite. The purpose of the present invention is to improve the stability of the rechargeable lithium batteries by reducing the amount of heat generation and blocking or delaying thermal runaway, during an abnormal reaction of the batteries.
BOPI
Sede Electrónica
