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1807
results.
Updated on
12/05/2025 [07:18:00]
Results 900 to 925 of 1807
Absstract of: WO2025089812A1
Disclosed are a method for manufacturing a zinc anode, a zinc anode manufactured by using the method, and a zinc ion battery comprising the zinc anode. The present invention is characterized by comprising: a step for producing a hexagonal boron nitride solution by mixing hexagonal boron nitride, a binder polymer, and a solvent; and a step for manufacturing a zinc anode by spraying the hexagonal boron nitride solution on a zinc foil, wherein the zinc anode includes the hexagonal boron nitride sprayed on the zinc foil.
Absstract of: WO2025089811A1
Disclosed are a method for manufacturing a zinc anode, a zinc anode manufactured using same, and a zinc ion battery comprising same. The method is characterized by comprising the steps of: stirring hydrogen peroxide and sulfuric acid to prepare a piranha solution; manufacturing a zinc foil having an exposed (002) surface by etching the surface of the zinc foil by using the piranha solution; and post-treating the zinc foil having the exposed (002) surface.
Absstract of: WO2025089698A1
The present invention relates to an anode active material for a lithium secondary battery, comprising natural graphite, wherein the sphericity of the natural graphite is 0.91 or more, and the natural graphite has a pellet density of 1.70 g/cc or more when a pressure of 800 kgf/2 <sb /> is applied.
Absstract of: WO2025089734A1
The present invention provides an electrode current collector, a method for manufacturing same, and a lithium battery comprising same. The electrode current collector includes: a metal substrate; and a metal oxide layer disposed on at least one surface of the metal substrate, wherein the metal substrate includes titanium (Ti), and the metal oxide layer includes crystalline titanium oxide (TiO2).
Absstract of: WO2025089679A1
The present invention provides a primer composition, and an electrode and a secondary battery comprising same, the primer composition comprising: a first conductive material; and a second conductive material, wherein the first conductive material includes a first carbon-based material having an average particle diameter of 0.01 μm or more to less than 0.1 μm, the second conductive material includes a second carbon-based material having an average particle diameter of more than 0.2 μm to 20 μm or less, and the solid content weight ratio of the first conductive material to the second conductive material is from 1:1 to 1:3.
Absstract of: WO2025089311A1
This solid electrolyte sheet includes a solid electrolyte and a binder. The solid electrolyte sheet has a thickness of 90 μm or less. The content of the binder in the solid electrolyte sheet is more than 1 mass%. The solid electrolyte includes a crystal phase having an argyrodite crystal structure. The solid electrolyte sheet does not include a porous support. The solid electrolyte sheet has self-supporting properties. It is preferable that the content of the binder be 20 mass% or less. It is also preferable that the tensile strength of the solid electrolyte sheet be 2.0 N/mm2 or more.
Absstract of: WO2025087224A1
A battery rack with an air cooling function, and a battery system. The battery rack comprises a frame (1) and an air cooling module (2), wherein the frame (1) comprises a frame body (11) and a plurality of bearing members (12) fixed to the frame body (11), the bearing members (12) being configured to bear battery packs (100); and the air cooling module (2) is mounted on the frame body (11), and the air cooling module (2) comprises a fan (21) and an air duct housing (22), a ventilation channel (220) being formed in the air duct housing (22), the ventilation channel (220) being provided with an air inlet, which is in communication with an outlet of the fan (21), the ventilation channel (220) being provided with a plurality of air outlets (2201), and the battery pack (100) on each bearing member (12) corresponding to at least one air outlet (2201). By means of the battery rack, when the fan (21) operates, outside air can be suctioned into the ventilation channel (220), and is blown to the battery packs (100) on the bearing members (12) through the air outlets (2201), thereby realizing the heat dissipation and cooling of the battery packs (100); and the heat dissipation effect is greater than the heat dissipation effect of natural air cooling, and the heat dissipation cost is lower than the cost of liquid-cooling heat dissipation. By means of using the battery rack in the battery system, cost requirements can be met, and the heat dissipation effect of the battery system is also i
Absstract of: WO2025086651A1
A battery cell (20), a battery (100), and an electric device. The battery cell (20) comprises a casing (210), an electrode assembly (220), electrode terminals (230), and sealing members (240). The casing (210) comprises a first wall (211); through holes (2111) are formed in the first wall (211); the electrode assembly (220) is arranged in the casing (210); the first wall (211) is used for supporting the electrode assembly (220); each electrode terminal (230) is arranged at a corresponding through hole (2111); the electrode terminal (230) comprises a first conductive portion (231); the first conductive portion (231) is arranged on the side of the first wall (211) facing an accommodating space; and each sealing member (240) is arranged between a corresponding electrode terminal (230) and the first wall (211). When the outside of the casing (210) is stressed, the first wall (211) and the electrode terminals (230) can deform together, so that it is not easy to form gaps between the sealing members (240), which are located between the electrode terminals (230) and the first wall (211), and the first wall (211), and between the sealing members (240) and the electrode terminals (230), thereby maintaining good sealing performance between the sealing members (240) and the first wall (211) and between the sealing members (240) and the electrode terminals (230) and reducing the possibility of liquid leakage of the battery cell (20), and thus reducing the possibility of failure of the ba
Absstract of: WO2025087231A1
A positive electrode material, and a preparation method therefor and the use thereof. The chemical general formula of the positive electrode material is LiaFebMncMx(PO4)d, where 0.990≤a≤1.1, 0.9≤b+c≤1.1, 0.95≤d≤1.1, 0.001≤x≤0.03, and 0.9≤b+c+x≤1.1. Crystals of the positive electrode material can preferentially grow along an ac crystal plane, wherein the ratio of the size of the positive electrode material along an a direction to the size of the positive electrode material along a b direction is 0.4542-0.4756; and the ratio of the size of the positive electrode material along a c direction to the size of the positive electrode material along the b direction is 0.5869-0.6172. The size of the crystals of the positive electrode material along the b direction is relatively small, and since the ac plane is perpendicular to the migration direction of lithium ions, the positive electrode material preferentially grows along the ac plane, thereby shortening the diffusion distance of lithium ions and improving the cycling performance of the positive electrode material.
Absstract of: MX2022006686A
Disclosed are apparatus, compositions, and methods for promoting regeneration of tissue on a subject such as a wounded, damaged, or injured appendage, or within a subject such as a wounded, damaged, or injured organ. The disclosed apparatus, composition, and methods include or utilize wearable sleeves and regenerative compositions.
Absstract of: AU2023341185A1
A method for obtaining a metal salt from a spent lithium-ion (Li-ion) battery may include contacting a leaching solvent to a portion of the spent lithium-ion battery to form a first dispersion. The first dispersion is heated to a temperature in a range from 50°C to 90°C by applying microwave radiation. The temperature of the first dispersion is maintained to be in the range from 50°C to 90°C for a period in a range from 10 seconds to 5 minutes by further applying microwave radiation to the heated first dispersion. The first dispersion is filtered to obtain a first filtrate. The first dispersion is then filtered to separate undissolved material from a first filtrate. The undissolved precipitate is dehydrated to obtain the black mass.
Absstract of: WO2025089554A1
According to some embodiments disclosed herein, a battery management apparatus includes: a sensor configured to collect battery data from a battery to be diagnosed at intervals of a first time period whenever the battery to be diagnosed enters an idle state; and a controller configured to determine, during the first time period, a short-term change of the battery to be diagnosed on the basis of current battery data measured in a current idle state, determine a long-term change between adjacent idle states of the battery to be diagnosed on the basis of a difference between previous battery data measured in a previous idle state and the current battery data, and diagnose a state of the battery to be diagnosed on the basis of the short-term change and the long-term change.
Absstract of: WO2025089353A1
This method for transporting and storing storage battery parts that can be attached to and removed from a storage battery box installed in a railway carriage is characterized by comprising: stowing a storage battery unit 103 from the storage battery box installed in the railway carriage into a container 20 having fire-resistance performance; transporting the storage battery unit 103 to a storage location while stowed in the container 20; and storing the storage battery unit 103 in such a way that information relating to the storage battery unit 103 can be transmitted to a storage battery data management server outside the container 20 in a state in which the storage battery unit 103 is stowed in the container 20. This makes it possible to achieve both an improvement in the safety of storage battery parts that can be attached to and removed from a storage battery box for a railway carriage, such as fire-resistance performance during transportation and storage, and also a reduction in man-hours required for transportation, storage, and transmission of storage battery information during storage.
Absstract of: WO2025089000A1
Provided is a non-aqueous electrolyte secondary battery wherein: a negative electrode (12) has a negative electrode current collector (40) and a negative electrode mixture layer (42) disposed on a surface of the negative electrode current collector (40); the negative electrode mixture layer (42) contains a first negative electrode active material having a first internal porosity and a second negative electrode active material having a second internal porosity larger than the first internal porosity; the first negative electrode active material is contained in a larger amount on the surface side of the negative electrode mixture layer (42); a non-aqueous electrolyte contains fluoroethylene carbonate and a sultone compound having an unsaturated bond at the least; and when the concentration of the sultone compound is X% by mass and the concentration of the fluoroethylene carbonate is Y% by mass in the non-aqueous electrolyte, the following relationships are satisfied: 0.01 ≤ X ≤ 5.0, 0.01 ≤ Y ≤ 2.0, and X/Y ≻ 0.5.
Absstract of: WO2025089317A1
An on-vehicle capacitor device (18) outputs the power of a capacitor (19) as a backup power supply for a main power supply (7) in an emergency of the main power supply (7). A capacitance computation unit (26) calculates or acquires a current that flows through the capacitor (19) during charging and a voltage change amount of the capacitor (19) that occurs during a current sampling period, and computes the capacitance of the capacitor (19) on the basis of the current and the voltage change amount. A deterioration determination unit (28) determines the deterioration of the capacitor (19) on the basis of the capacitance that has been computed by the capacitance computation unit (26). The deterioration determination unit (28) uses the computation result of the capacitance computation unit (26) in which the voltage change amount is greater than or equal to a threshold value to execute a deterioration determination.
Absstract of: WO2025087107A1
A positive electrode sheet, a preparation method therefor, a battery and an electrical device. The positive electrode sheet comprises a positive electrode active material layer; and a capacity compensation layer, the capacity compensation layer being arranged on a side of the positive electrode active material layer, the capacity compensation layer comprising a catalyst and a capacity compensator, and the average particle size of the capacity compensator being less than or equal to 2 μm. Thus, the present application increases the probability that the catalyst is in contact with the capacity compensator, reduces the decomposition potential of the capacity compensator, increases the capacity retention rate of a battery, and prolongs the service life of the battery.
Absstract of: WO2025087080A1
A negative electrode sheet and the use thereof. The negative electrode sheet comprises: a current collector of a mesh structure, a negative-electrode active layer base and a surface negative-electrode active layer, wherein the negative-electrode active layer base at least partially fills the mesh structure; the surface negative-electrode active layer is arranged on an outer surface of the negative-electrode active layer base and/or an outer surface of the current collector; the negative-electrode active layer base comprises a first graphite material, the surface negative-electrode active layer comprises a second graphite material, and the degree of graphitization of the second graphite material is lower than that of the first graphite material; and the degree of graphitization of the first graphite material is not lower than 90%, and/or the degree of graphitization of the second graphite material is not lower than 90%. The negative electrode sheet can significantly improve the fast charging performance of a battery while having a relatively high energy density.
Absstract of: WO2025086554A1
A battery-cell heat dissipation structure and an energy storage system, which relate to the technical field of energy storage systems. The battery-cell heat dissipation structure comprises a case and a battery cell, wherein a mounting cavity is formed in the case; a plurality of thermally conductive portions are arranged on a cavity wall surface of the mounting cavity; the battery cell is arranged in the mounting cavity; and a plurality of heat dissipation wall surfaces are provided on the battery cell, and same are in contact with the plurality of thermally conductive portions in a one-to-one correspondence manner. By means of the battery-cell heat dissipation structure, a better heat dissipation effect for the battery cell is achieved, and when a system operates, same has a lower temperature rise, and a smaller temperature difference; and the heat of the battery cell dissipates from the plurality of heat dissipation wall surfaces, and the surface utilization rate of the battery cell is also relatively high, thereby facilitating an improvement in the performance of the battery cell.
Absstract of: AU2024227142A1
Abstract Self-supported porous 3D flexible host anode for lithium metal secondary batteries having a primary coating >5 atomic wt% and in addition to < 5 atomic wt% of at least two additional lithiophilic elements, leading to synergistic plating and stripping effect of the alkali ions, wherein all the coating elements have the capability of forming intermetallic alloys with lithium and/or between themselves within the potential window range of 1.5 V and -0.5 V Vs Li/Li+, having a porosity of at least 70%, and a thickness between 10pm and 100pm, comprising a non-woven, woven or ordered arrangement of constituent fibres with a diameter ranging between 200 nm and 40 pm.
Absstract of: WO2025090869A1
Embodiments of the invention include batteries and other charge-storage devices incorporating a carbonaceous sulfur composite and methods for producing such devices. The charge-storage device includes an anode region including a metallic lithium, a cathode region including the carbonaceous sulfur composite, and disposed between the anode region and the cathode region, both a polymeric separator and an organic electrolyte.
Absstract of: WO2025088977A1
This non-aqueous electrolyte secondary battery comprises a wound electrode body in which a strip-form positive electrode and a strip-form negative electrode are wound with a separator (13) interposed therebetween, a non-aqueous electrolyte, and an outer can that accommodates the electrode body and the non-aqueous electrolyte, the non-aqueous electrolyte secondary battery being characterized in that: particles including at least one of inorganic particles or resin particles are present on at least one surface of the separator (13); and in a surface view of the separator (13), the proportion of the area occupied by the particles in first regions (54) is greater than the proportion of the area occupied by the particles in a second region (56), where the first regions (54) are regions within a range of 20% of the total width of the separator (13) along the width direction of the separator (13) from the two width-direction ends of the separator (13), and the second region (56) is a region sandwiched by the first regions (54).
Absstract of: WO2025089262A1
This power storage element comprises: a laminate (40) in which a separator (10) is disposed between a positive electrode (20) and a negative electrode (30); and an exterior body (50). The exterior body (50) includes laminate films (50a, 50b). The separator (10) is disposed in a state in which at least a section of each end thereof is sandwiched by a bonding portion of the laminate films (50a, 50b). The ratio (W2/W1) of the width (W2) of the respective ends of the separator (10) sandwiched by the laminate films (50a, 50b) to the width (W1) of the respective bonding portions of the laminate films (50a, 50b) is 0.1-0.5.
Absstract of: WO2025088677A1
In a graphite carbon material for a lithium-ion secondary battery anode, the crystallite diameter Lc (002) obtained by X-ray diffraction is 35 nm to 150 nm, and the compressive load is 2.0 kN/cm2 to 4.0 kN/cm2.
Absstract of: WO2025088940A1
Disclosed is a power supply device in which a battery pack including a plurality of secondary battery cells is housed in an outer package case, and a heat conduction member is disposed between the battery pack and the outer package case. The battery pack is provided with a battery holder with which the plurality of secondary battery cells are arranged in parallel to each other and end surfaces thereof are respectively arranged on the same surfaces. Heat conduction surfaces of the secondary battery cells are exposed from the battery holder and are thermally coupled to the heat conduction member. The plurality of secondary battery cells are composed of a plurality of battery groups which are each composed of a plurality of secondary battery cells that are arranged at a specific first interval, and the plurality of battery groups are arranged at a second interval that is wider than the first interval. The heat conduction member is sheet-shaped or plate-shaped, and is thermally coupled across the plurality of battery groups.
Nº publicación: WO2025086820A1 01/05/2025
Applicant:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
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Absstract of: WO2025086820A1
A pole component, a cover assembly, and a battery cell, pertaining to the technical field of batteries. The pole component (101) comprises a first pole (1) and a second pole (2). A liquid injection hole (11) is formed on the first pole (1). The second pole (2) is connected to the first pole (1) to block the liquid injection hole (11). The pole component (101) is not a whole part, but is divided into the first pole (1) and the second pole (2). The first pole (1) is provided with the liquid injection hole (11), and an electrolyte can be injected by means of the liquid injection hole (11) into a cell located in a containing cavity defined by a shell and a cover assembly (100). After liquid injection is complete, the second pole (2) is connected to the first pole (1). Thus, by using the second pole (2) to block the liquid injection hole (11), it is not necessary to dispose an additional sealing pin for blocking the liquid injection hole (11), and the step of welding a sealing pin so as to block the liquid injection hole (11) is omitted. The pole component (101) has the function of conduction, and, by means of the liquid injection hole (11) of the first pole (1), the pole component (101) also has the function of liquid injection. In addition, by using the second pole (2) to block the liquid injection hole (11), the pole component (101) also has the function of a sealing pin.
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