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1832
resultados
Última actualización
05/07/2025 [08:21:00]
Resultados 800 a 825 de 1832
Resumen de: TW202425396A
According to one aspect, a power storage system may include an enclosure, and one or more modules disposed in the enclosure. Each of the one or more modules may include a plurality of electrochemical cells electrically coupled to one another, each one of the plurality of electrochemical cells including an oxygen evolution electrode (OEE), an anode, a gas diffusion electrode (GDE), an electrolyte, and a vessel and, within the vessel, the OEE, the anode, and the GDE at least partially immersed in the electrolyte.
Resumen de: CN119768365A
A method of preparing a cathode active material includes providing a first mixture including a mixed metal composition and phosphoric acid, or including a mixed metal composition and water. The mixed metal composition includes nickel, cobalt, manganese, or a combination thereof. A salt of iron, manganese, cobalt, or a combination thereof is added to adjust the stoichiometric ratio of the mixed metal composition. The stoichiometric adjusted mixed metal composition in water may be contacted with a phosphorus-containing compound. The stoichiometric adjusted mixed metal phosphate is further contacted with a lithium-containing compound to provide a cathode active material having at least one phase having an olivine structure.
Resumen de: EP4579867A1
The present invention relates to an electrode assembly and a secondary battery including the same. An electrode assembly according to an embodiment of the present invention may include: a positive electrode and a negative electrode; a separator disposed between the positive electrode and the negative electrode; and a plurality of conductive members disposed between at least one of the positive electrode or the negative electrode and the separator, wherein at least one electrode of the positive electrode and the negative electrode may include: a collector; a first active material layer disposed on an inner surface of the collector; a second active material layer disposed on an outer surface of the collector, wherein the conductive member includes: a first conductive member disposed to overlap an end of the first active material layer so as to form a first conductive path together with the collector; and a second conductive member disposed to overlap an end of the second active material layer so as to form a second conductive path between the collector and the second active material layer.
Resumen de: EP4579846A1
Disclosed are a lithium metal battery and a manufacturing method therefor, the lithium metal battery including a cathode, an anode, and an electrolyte disposed between the cathode and the anode, wherein the anode includes a lithium metal, the electrolyte includes a catholyte disposed adjacent to the cathode and an anolyte disposed between the catholyte and the anode, the catholyte includes a first polymer electrolyte, the first polymer electrolyte includes a first polymer, and the first polymer includes a first repeating unit derived from a first single-ion conducting monomer and a second repeating unit derived from a first crosslinking monomer having a plurality of reactive functional groups.
Resumen de: EP4579918A1
A battery module is disclosed in the present invention. The battery module of the present invention comprises: a housing which accommodates a plurality of battery cells therein, and has a vent-hole portion formed therein; a top cover which is movably installed on the housing so as to open/close the vent-hole portion; an elastic member which is installed to apply an elastic force to the top cover in a direction in which the top cover opens the vent-hole portion; and a stopper which supports the top cover so that the top cover maintains the closed state of the vent-hole portion, and loses the force of supporting the top cover due to changes in the temperature or pressure.
Resumen de: EP4578541A1
A fluidized bed reactor according to exemplary embodiments of the present invention may include: a reactor body; a dispersion plate which includes a base plate and first injection columns protruding from an upper surface of the base plate; and a second injection column which is configured to inject a gas so as to form a gas flow which rotates along an inner surface of the reactor body.
Resumen de: EP4579782A1
A cathode for a lithium secondary battery according to exemplary embodiments may include: a cathode current collector; and a cathode active material layer formed on the cathode current collector. The cathode active material layer may include: a first cathode active material layer formed on the cathode current collector, and including first lithium metal oxide particles having a form of secondary particles; a second cathode active material layer formed on the first cathode active material layer, and including second lithium metal oxide particles having a form of single particles; and a third cathode active material layer formed on the second cathode active material layer, and including third lithium metal oxide particles having a form of secondary particles.
Resumen de: CN119744311A
Disclosed herein are methods for extracting one or more metals from a material wherein the method comprises contacting the material with an acidic aqueous solution having a pH of less than 7 and reducing one or more metal oxides selected from the group consisting of nickel oxide, cobalt oxide and manganese oxide with an alkyl carbonate; wherein the material comprises the one or more metal oxides. Also disclosed are methods comprising extracting one or more metals from a material to obtain an aqueous solution comprising metal ions, and separating the metal ions to obtain at least one substantially pure metal ion solution and/or at least one substantially pure solid metal ion salt. Further disclosed are methods for recycling at least one battery material selected from the group consisting of lithium ion batteries, lithium ion battery waste, lithium ion battery production waste, lithium ion battery cell production waste, lithium ion cathode active materials, and combinations thereof.
Resumen de: CN119790512A
The invention relates to a sodium layered oxide of formula I: NaxM1a + i-y-z-n M2b + yM3c + zM4d + nO2 wherein: M1a +, M2b +, M3c + and M4d + are different transition metal ions or mixtures thereof, x is a number ranging from 0.5 to less than 1; y, z and n are numbers ranging from 0.01 to 0.85; y + z + n is less than 1; a, b, c and d are the corresponding oxidation numbers of the transition metal ions M1, M2, M3 and M4 respectively; the cumulative oxidation state a * (1-y-z-n) + (b * y) + (c * z) + (d * n) of the transition metal ions is equal to 4-x; and wherein the sodium layered oxide of formula I is not P2-Na < 2 >/3 > Ni < 1/4 > Mn < 1/2 > Ti < 1/6 > Zn < 1/12 > O < 2 >, P2-Na < 2 >/3 > Ni < 1/4 > Mn < 1/2 > Ti < 1/6 > Mg < 1/12 > O < 2 >, or P2-Na < 2 >/3 > Ni < 1/4 > Mn < 1/2 > Ti < 1/6 > Mg < 1/12 > O < 2 >.
Resumen de: CN119768371A
The invention relates to a process for preparing NiO particles, comprising the step a0) of contacting a Ni (CO) 4 gas stream at a temperature below 100 DEG C with an oxidizing gas stream to directly produce NiO particles in the product stream of the reactor.
Resumen de: EP4579793A1
A positive electrode mixture including a conductive aid which is a carbon material, a sulfur-based active material, and a solid electrolyte, wherein a mapping overlap rate of carbon and phosphorus is 50% or more in elemental analysis using energy dispersive X-ray spectroscopy of an electron microscope image, and the positive electrode mixture has a diffraction peak A at 2θ=20.2±0.5° and a diffraction peak B at 2θ=41.1±0.8° in powder X-ray diffraction using CuKα ray.
Resumen de: EP4579864A1
This nonaqueous electrolyte secondary battery is characterized by comprising an electrode body (14) which is obtained by winding a positive electrode (11) and a negative electrode (12) with a pair of separators (13) being interposed therebetween, and is also characterized in that: the negative electrode (12) has a non-facing part (12a) that does not face the positive electrode (11) with the pair of separators (13) being interposed therebetween; the non-facing part (12a) is wound with 1.5 turns or more from the inner end of the electrode body (14) in the winding direction; at least one of the pair of separators (13) comprises a base material layer and a functional layer that is formed on the base material layer; the functional layer comprises a heat-resistant layer that contains inorganic particles, and resin particles that are dispersed in the heat-resistant layer and have an average particle diameter that is larger than the thickness of the heat-resistant layer; the resin particles form projected parts that protrude from the surface of the heat-resistant layer; and the functional layer of at least one of the pair of separators (13) faces the positive electrode (11).
Resumen de: EP4578789A1
An abnormality sign diagnosis device (20) diagnoses an abnormality sign of a battery (106) provided to an eVTOL (100). The abnormality sign diagnosis device (20) includes an abnormality sign determination unit (23) and an output unit (24). The abnormality sign determination unit (23) determines the presence or absence of the abnormality sign of the battery (106) based on battery variation information which is variation information of the battery (106) and environmental variation information which is variation information of an environmental parameter. The output unit (24) outputs information related to the abnormality sign.
Resumen de: EP4579852A1
The present disclosure provides a lithium ion secondary battery, in which surface roughness (Ra) of a surface of a positive electrode active material layer containing a positive electrode active material is less than 1.0 × 10<sup>4</sup> Å, and the lithium ion secondary battery includes a nonaqueous electrolyte solution containing at least one selected from the group consisting of compounds of Formulas (1) to (10) described in the specification.
Resumen de: CN119790187A
An electrically conductive substrate coated with dense lithium is described, where the substrate consists of a sheet-like metal or sheet-like carbon-based material, where on at least one side of the substrate there is a lithium-philic intermediate layer of 1 to 5000 nm thick, the lithium-philic intermediate layer contains or consists of at least one metal or metalloid element selected from the group of Zn, Al, B, Cd, Au, Ag, Si, Pb, Sn, Ge, Ga, In, Mg, Cr, V, Mo, W, Zr, and Mn. A method of producing such a lithium coated substrate is also described.
Resumen de: EP4579891A1
An embodiment of the present invention relates to a method for manufacturing a secondary battery that includes an electrode assembly and a battery case provided to accommodate the electrode assembly and having a sealed edge, and the method may include a folding process of folding the edge, an attaching process of attaching an adhesive member to the folded edge, and a pressing process of pressing at least a partial area of a non-attachment area, to which the adhesive member is not attached, of the edge.
Resumen de: EP4579841A1
Provided are a gel polymer electrolyte separator, and a preparation method and use thereof, and relates to the technical field of lithium ion batteries. In the disclosure, the gel polymer electrolyte separator is prepared from raw materials including a masterbatch and an extractant, where the masterbatch includes the following components in mass percentage, based on a mass of the gel polymer electrolyte: 53% to 81% of an organic solvent, 10% to 21% of a polymer substrate, 6% to 19% of a pore-forming agent, and 1% to 8% of a nano-functional material; the polymer substrate is one or two selected from the group consisting of a polyvinylidene fluoride (PVDF) homopolymer and a PVDF-hexafluoropropylene (HFP) copolymer; and the nano-functional material is one or more selected from the group consisting of Al<sub>2</sub>O<sub>3</sub>, SiO<sub>2</sub>, TiO<sub>2</sub>, LLZO, LLZTO, LLTO, NASICON, LAGP, and LATP. The gel polymer electrolyte separator shows high mechanical strength and electrochemical properties.
Resumen de: EP4579839A1
Provided is a non-aqueous electrolyte secondary battery, wherein discharge cycle characteristics are improved while ensuring high battery capacity. The non-aqueous electrolyte secondary battery according to the present disclosure includes a positive electrode, a negative electrode, and a non-aqueous electrolyte. The positive electrode includes a lithium-containing complex oxide and a sulfonic acid compound present on the particle surface of the complex oxide. The sulfonic acid compound is a compound represented by formula (I). The negative electrode includes at least a silicon-containing material as a negative electrode active material. The proportion of silicon-containing material in the negative electrode active material is 3% by mass or more. The discharge capacity of the negative electrode active material is 380 mAh/g or more. (In the formula, A is a Group 1 element or a Group 2 element; R is a hydrocarbon group; and n is 1 or 2.)
Resumen de: EP4579838A1
Provided is a lithium ion secondary battery having high capacity and excellent high-temperature storage characteristics. A non-aqueous electrolyte secondary battery according to one embodiment is characterized by comprising a positive electrode, a negative electrode, a separator that separates the positive electrode and the negative electrode from each other, and a non-aqueous electrolyte, wherein: the positive electrode contains a lithium-containing composite oxide and a sulfonic acid compound present on a particle surface of the lithium-containing composite oxide; the sulfonic acid compound is represented by formula (I); the separator has a base material layer and a heat-resistant layer formed on the surface of the base material layer; the heat-resistant layer faces at least the positive electrode; and the thickness T1 of the base material layer and the thickness T2 of the heat-resistant layer satisfy the relationship T2/T1≥0.2. (In the formula, A is a group 1 element or a group 2 element, R is a hydrocarbon group, and n is 1 or 2.)
Resumen de: EP4579863A1
One embodiment of the present invention provides a nonaqueous electrolyte secondary battery (10) which comprises a positive electrode (11) that contains a lithium-containing transition metal composite oxide and a sulfonic acid compound that is present on the surfaces of particles of the composite oxide. The sulfonic acid compound is represented by formula (I). With respect to this nonaqueous electrolyte secondary battery, a negative electrode (12) comprises a negative electrode core body and a negative electrode mixture layer that is formed on the surface of the negative electrode core body; and the 1% proof stress of the negative electrode core body is 300 MPa or less.(In the formula, A represents a group 1 element or a group 2 element; R represents a hydrocarbon group; and n is 1 or 2.)
Resumen de: EP4579837A1
One embodiment of the present invention provides a nonaqueous electrolyte secondary battery (10) which comprises a positive electrode (11) that contains a lithium-containing transition metal composite oxide and a sulfonic acid compound that is present on the surfaces of particles of the composite oxide. The sulfonic acid compound is represented by formula (I). With respect to this nonaqueous electrolyte secondary battery, a negative electrode (12) comprises a negative electrode core body and a negative electrode mixture layer that is formed on the surface of the negative electrode core body; and the 1% proof stress of the negative electrode core body is 300 MPa or more.(In the formula, A represents a group 1 element or a group 2 element; R represents a hydrocarbon group; and n is 1 or 2.)
Resumen de: WO2024042275A1
The invention relates to a hydraulic thermal management module (10) for a cooling circuit (5) of an electric vehicle (3), the module comprising two hydraulic pumps (20, 21) and ten interfaces (A, B1, B2, D, E, F, G, H, I, K) forming fluid communication channels, wherein at least five of the interfaces can be opened and closed so as to enable the hydraulic thermal management module (10) to adopt at least four control configurations (P1). The invention also relates to a cooling circuit (5) comprising a hydraulic thermal management module (10). The invention further relates to a method for using the cooling circuit (5). Lastly, the invention relates to an electric vehicle (3) comprising such a hydraulic thermal management module (10) or such a cooling circuit (5).
Resumen de: CN119698713A
A system and method for flushing electrolyte from an electrolyte flushable battery device during a thermal runaway event. At least one condition of the electrolyte flushable battery device is monitored to detect a potential thermal runaway event as a function of the at least one condition exceeding a threshold. In response, an inlet valve and an outlet valve on the battery device are opened. The flushing liquid is flushed or pumped through the battery device, wherein the flushing liquid enters the device through the inlet valve and exits the device through the outlet valve. The irrigation liquid is then stored in the reservoir.
Resumen de: CN119790504A
The present invention relates to the use of a composition comprising a solvent system comprising a first component comprising one or more non-aqueous solvents and a second component comprising one or more performance additives as an electrolyte. Apparatuses and methods including the electrolyte compositions are also disclosed.
Nº publicación: EP4579816A1 02/07/2025
Solicitante:
LIYANG ZICHEN NEW MATERIALS TECH CO LTD [CN]
Liyang Zichen New Materials Technology Co., Ltd
Resumen de: EP4579816A1
A graphite negative electrode material, a preparation method therefor and an application thereof. The surface of the graphite negative electrode material is provided with a macroporous structure and a mesoporous structure. In the macroporous structure, the ratio R of depth H of the macropores to size D of the macropores satisfies 0 < R < 60, where R = H/D. In the mesoporous structure, the ratio r of depth h of the mesopores to size d of the mesopores satisfies 0 < r < 250, where r = h/d. The preparation method comprises: dispersing a pore-forming agent solution on the surface of graphite by means of a mechanical force, and carrying out heat treatment in a protective atmosphere to obtain the graphite negative electrode material. The pore-forming agent is water-soluble. The surface of the graphite negative electrode material is provided with a macroporous structure and a mesoporous structure at the same time. The hierarchical porous structure equips the base plane and the edge plane of the graphite material with channels capable of allowing lithium ions to quickly enter between graphite layers, and shorten the solid-phase diffusion path of lithium ions. Therefore, the charging rate of the graphite negative electrode material is improved, rapid charging is realized, the preparation process is safe and environment friendly, and the cost is low.
BOPI
Sede Electrónica
