Absstract of: US2024291102A1
There is provided a power storage device separator binder aqueous solution, where the power storage device separator binder aqueous solution contains a water soluble polymer (1) or contains a water soluble polymer (2) and a hydrazide. The water soluble polymer (1) contains 20% by mole to 80% by mole of an N,N-dialkyl (meth)acrylamide unit and 10% by mole to 80% by mole of a (meth)acrylamide unit. The water soluble polymer (2) contains 0.2% by mole to 10% by mole of a keto group-containing ethylenically unsaturated monomer unit and 65% by mole to 99.7% by mole of a (meth)acrylamide group-containing compound unit. The hydrazide has two or more hydrazide groups.
Absstract of: US2024291100A1
Microporous polymers, materials for making microporous polymers, and electrochemical cells, including anode-free electrochemical cells containing locally concentrated electrolytes, are described. Further provided is an electrochemical cell comprising an anode or a current collector, a first electrolyte, a polymer membrane separator, a second electrolyte, and a cathode, wherein: the polymer membrane separator is positioned between the anode and the cathode: the first electrolyte is in contact with the anode and a first face of the polymer membrane separator; the second electrolyte is in contact with the cathode and a second face of polymer membrane the separator.
Absstract of: US2024291078A1
A rechargeable battery includes: an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode; a case configured to be connected to the first electrode to accommodate the electrode assembly, and including an opening to receive the electrode assembly; a cap plate configured to be coupled with the case to cover an outer area of the opening, and including a through-hole to expose a central area of the opening; and a terminal plate configured to be connected to the second electrode and to be insulation-bonded to the cap plate, and including a flange portion covering the through-hole, and a protrusion penetrating the through-hole from the flange portion.
Absstract of: US2024291107A1
According to one embodiment, a secondary battery provided with a negative electrode including a negative electrode active material-containing layer, a positive electrode including a positive electrode active material-containing layer, a separator located between the negative electrode and the positive electrode, and an aqueous electrolyte is provided. The separator includes a composite layer containing inorganic solid particles and a polymeric material. A particle size distribution of the inorganic solid particles in the composite layer has at least two peaks. A frequency FPS of a peak top PS of a peak on a smallest particle diameter side and a frequency FPL of a peak top PL of a peak on a largest particle diameter side in the particle size distribution have a relationship of 0.9≤FPS/FPL≤5. A porosity of the composite layer is less than both of a porosity of the negative electrode active material-containing layer and a porosity of the positive electrode active material-containing layer, and is 1% or more and less than 15%.
Absstract of: US2024291103A1
Provided is a separator for a non-aqueous secondary battery, the separator contains a porous substrate and an adhesive porous layer that is provided on one side or on both sides of the porous substrate, and that contains a polyvinylidene fluoride type resin and an inorganic filler, in which an average primary particle size of all of the inorganic filler contained in the adhesive porous layer is from 0.01 μm to less than 0.50 μm, and when differential scanning calorimetry is performed with all of the polyvinylidene fluoride type resin contained in the adhesive porous layer as a sample, two or more endothermic peaks and/or two or more exothermic peaks are observed.
Absstract of: WO2024174677A1
Disclosed in the present application is a battery pack. The battery pack has a lengthwise direction, a width direction and a height direction, which are perpendicular to one another. A surface defined by the lengthwise direction and the height direction is a front surface. The battery pack comprises a bottom plate, a battery cell assembly, a battery management system and a communication panel. The battery cell assembly is arranged on the bottom plate. The battery management system is fixed to the end of the battery cell assembly in the lengthwise direction. A plug-in surface of the communication panel faces the front surface of the battery pack.
Absstract of: WO2024174640A1
A water chiller system and a control method and apparatus therefor. The control method for a water chiller system comprises: acquiring a refrigerant pressure value of a water chiller system (S110); and, according to the refrigerant pressure value and a first preset pressure, controlling the operation rotating speed of a compressor in the water chiller system to be within a first preset range and, according to the refrigerant pressure value and a second preset pressure, controlling the highest rotating speed of the compressor to be within a second preset range (S120).
Absstract of: WO2024174676A1
Provided are an electrolyte, and a preparation method therefor and a use thereof. The electrolyte comprises an additive and a lithium salt. The additive comprises a low-impedance additive and a boron-containing compound. The lithium salt comprises lithium bis(fluorosulfonyl)imide. The low-impedance additive and the boron-containing compound are added to a lithium bis(fluorosulfonyl)imide-based electrolyte to improve the thermal stability and cycle performance of the electrolyte.
Absstract of: WO2024174675A1
A drying method for a lithium ion battery, and a lithium battery. The drying method comprises the following steps: step one, placing in an oven a battery cell to be dried; step two, executing multiple instances of the following drying step: adjusting the temperature and vacuum degree in the oven; and readjusting the temperature and vacuum degree in the oven when the next instance of the drying step is executed, wherein the temperature decreases stepwise and the vacuum degree increases stepwise compared to the last instance of the drying step executed; and step three, performing moisture measurement on said battery cell.
Absstract of: WO2024174763A1
The present application discloses a battery, an electric device, and an adhesive filling method. The battery comprises a housing, a battery cell assembly, a first circuit board, a first structural member, a second structural member, and a first bonding material; the battery cell assembly, the first circuit board, and the first structural member are arranged in a first direction; the second structural member bonds the first structural member and the battery cell assembly; the second structural member, the first structural member and battery cell bodies are connected to form a first area; the first circuit board is accommodated in the first area. At least part of the first bonding material is loaded in the first area, and the first bonding material connects the first circuit board, the first structural member, the second structural member and the battery bodies, thereby facilitating improvement of the shock resistance of the battery.
Absstract of: US2024286479A1
The present application discloses a top hanging type battery pack and an electric vehicle. The top hanging type battery pack is detachably connected to locking mechanisms on longitudinal beams of an electric vehicle. The top hanging type battery pack comprises a battery pack case and lock connecting structures. When the top hanging type battery pack is installed on an electric vehicle, the center of gravity of the battery pack is low and located below the longitudinal beams, thereby lowering the center of gravity of the whole electric vehicle and improving the driving stability of the electric truck; moreover, the battery pack does not occupy the space behind the driver, and thus, the driving experience can be improved, or the electric vehicle can provide more space to carry more goods.
Absstract of: US2024286480A1
A support device for a vehicular battery pack that is mounted under side rails constituting a ladder frame of a vehicle and that includes a pair of battery side-faces each of which faces outward in a vehicle width direction and is located outside in the vehicle width direction further than the side rails. The support device includes a battery-side bracket that includes an opposing plate facing one of the battery side-faces and receives the vehicular battery pack. A frame-side bracket couples the battery-side bracket to one of the side rails. A patterned opening unit is provided with a plurality of holes formed on the opposing plate of the battery-side bracket and mounts an on-board device on the battery-side bracket via at least one of the plurality of holes, the plurality of holes being arranged in a predetermined pattern.
Absstract of: US2024286494A1
This invention pertains to a three-port isolated active bridge DC-DC power converter comprising a control unit, a first primary-side port, a second primary-side port, two primary-side switching elements, a blocking switch, a secondary-side port and two secondary-side switching elements. The control unit is configured to open and to close the blocking switch, for preventing and allowing power flow between a primary side and a secondary side of the power converter. The control unit is configured to control the two primary-side switching elements and the two secondary-side switching elements for converting power between the primary-side ports and the secondary-side port. This invention further pertains to a three-port isolated active bridge DC-DC power converter system, a multi-port isolated active bridge DC-DC power converter, a multi-port isolated active bridge DC-DC power converter system, a solar power assembly, and a vehicle.
Absstract of: US2024286478A1
Disclosed in the present invention are a battery pack for an electric vehicle, and an electric vehicle comprising the battery pack. The battery pack for an electric vehicle is mounted on a vehicle body longitudinal beam of the electric vehicle, and comprises: a box body comprising at least two box body units, battery modules for externally charging and discharging being arranged in the box body units; and locking shafts provided horizontally, arranged on the upper part between two adjacent box body units, and corresponding to the position of a locking mechanism on the longitudinal beam. As for an electric vehicle, the center of gravity can be reduced, the driving stability is improved, and the height space below the vehicle can be fully utilized, so that a battery swapping device can conduct battery swapping easily, the station building cost, time and difficulty of a battery swapping station are reduced.
Absstract of: WO2024177366A1
The present invention relates to a secondary battery comprising: a cathode current collector to which a cathode mixture including a cathode active material is applied; an anode current collector to which an anode mixture including an anode active material is applied; an electrolyte filled between the cathode current collector and the anode current collector; a separator provided in the electrolyte so that, between the cathode current collector and the anode current collector, ions are permitted to move and electrons are blocked from moving; and a deformation part provided in the separator so that the separator enters a low-density state in a first temperature range and the separator enters a high-density state in a second temperature range that is higher than the first temperature. Therefore, in a high temperature range due to a charging situation, the high-density state of the separator is induced to prevent separator penetration caused by dendrites, and thus safety is improved, and, in a low temperature range due to situations other than a charging situation, the low-density state of the separator is induced to facilitate movement of lithium ions through separator pores, and thus performance such as that of charge/discharge capacity and lifespan can be improved.
Absstract of: WO2024174745A1
The present application relates to a cooling assembly (20) and a battery module (10). The cooling assembly comprises a first liquid cooling plate (21) and a second liquid cooling plate (22). A first liquid cooling flow channel (211) is provided in the first liquid cooling plate (21), and a second liquid cooling flow channel (221) is provided in the second liquid cooling plate (22). The first liquid cooling flow channel (211) and the second liquid cooling flow channel (221) are respectively distributed on two reference planes which are perpendicular to each other; the first liquid cooling flow channel (211) comprises an upstream branch section (2111), a gathering section (2112), and a downstream branch section (2113) which are sequentially connected in series; and the upstream branch section (2111) and the downstream branch section (2113) each comprise a plurality of branch flow channels (2114) which are connected in parallel. The flow direction of each branch flow channel (2114) intersects with the flow direction of the gathering section (2112), and the flow direction of the gathering section (2112) intersects with a boundary line (50).
Absstract of: WO2024174731A1
A heat insulation material, a preparation method therefor, a heat insulation member, a heat insulation product, a battery and an electrical apparatus. The heat insulation material may comprise heat insulation powder and reinforced phase fibers, the heat insulation powder being loaded on the surfaces of the reinforced phase fibers; and, in parts by mass, the heat insulation powder may be 25-120 parts, and the reinforced phase fibers may be 0.5-40 parts. The heat insulation material has high compactness, and obviously ameliorates the powder falling phenomenon; and moreover, loading the heat insulation powder on the surfaces of the reinforced phase fibers can reduce the agglomerating space and area of the heat insulation powder, thus reducing the agglomeration of the heat insulation powder, and effectively improving the uniformity of the overall performance of the heat insulation material.
Absstract of: WO2024174471A1
The present invention relates to the technical field of lithium-ion batteries, and provided thereby are an MOF-derived carbon aerogel, a preparation method therefor, and a use thereof in a lithium-ion battery. According to the present invention, Cd(tppa)2Cl2 is prepared first. Cd(tppa)2Cl2 is a macroporous metal-organic framework (MOF) material, and said material is used for carbonization. The resulting MOF-derived carbon aerogel exhibits characteristics of being porous and lightweight. This allows for more lithium storage space during lithium ion intercalation and deintercalation processes, and the material can maintain stable performance after multiple cycles of circulation. The MOF-derived carbon aerogel of the present invention, when used as a negative electrode active material for a lithium-ion battery, exhibits excellent electrochemical performance. The battery not only possesses ultra-long cycling capability and extremely high rate capability, but also has a very high reversible capacity at low current densities. The carbon aerogel is a promising candidate to replace graphite and become the next generation of commercial negative electrode material for lithium-ion batteries.
Absstract of: US2024286163A1
A coating die configured to apply a slurry onto a base material. The coating die includes a feed inlet, a distributary channel, a first confluence chamber and a discharge outlet. The feed inlet is configured to inject the slurry. The distributary channel is provided inside the coating die. The distributary channel includes a first flow channel and a plurality of second flow channels. The first flow channel communicates the feed inlet with the plurality of second flow channels, and the plurality of second flow channels is provided to be spaced from one another in a first direction. The first confluence chamber is provided inside the coating die and communicated with the plurality of second flow channels to collect the slurry from the plurality of second flow channels.
Absstract of: US2024286753A1
A thermal management system for battery includes a plurality of cells, at least one inlet element having main inlet conduit and a plurality of inlet rail conduits, at least one outlet element having a main outlet conduit and a plurality of outlet rail conduits, and a plurality of battery holders. Each battery holder of the plurality of battery holders includes: a hollow wall structure surrounding a cavity in which a respective cell of the plurality of cells is to be accommodated; an inlet orifice; and an outlet orifice. The thermal management system may further include a coolant configured to be received via the main inlet conduit into a respective inlet rail conduit, wherein the coolant is configured to: circulate through the cavity of the hollow wall structure and exchange heat generated by the respective cell; and flow via a respective outlet rail conduit to the main outlet conduit.
Absstract of: US2024286294A1
A support plate according to an embodiment of the present invention has a grasping pad provided to pick up an object suspended and supported therefrom, the support plate configured to be moved by a manipulator. The support plate includes a plate body; a central connection part disposed at a central portion of the plate body and to which the manipulator is connected from an upper side; and a plurality of side connection parts disposed along both side portions in a width direction of the plate body and to which the grasping pad is connected from a lower side. A recessed groove is provided in the plate body so as to be spaced apart from the central connection part and the side connection parts, the recessed groove being recessed to a predetermined depth in a thickness direction of the plate body.
Absstract of: US2024286148A1
An injection nozzle configured to spray a thermal interface material to a surface of a rechargeable battery housing, the injection nozzle includes a main nozzle that is configured to receive the thermal interface material from a source and spray the thermal interface material to the surface of the rechargeable battery housing; and a plurality of sub nozzles that are coupled to the main nozzle in a lateral direction, the plurality of sub nozzles being configured receive the thermal interface material from the main nozzle and spray the thermal interface material to the surface of the rechargeable battery housing.
Absstract of: US2024285193A1
An analyte detection device with circuit board and shell integration is provided. An electronic circuit is arranged on the shell of a transmitter module. The electronic circuit includes at least one electronic component. The electronic component at least includes a transmitter antenna to form a highly integrated analyte detection device embedded between the electronic circuit and the shell of the transmitter module. The electronic circuit occupies less space and meets the miniaturization design requirements of the analyte detection device.
Absstract of: WO2024178040A2
Disclosed is an electrolyte solution for a lithium metal battery, comprising: a lithium thiophosphate complex formed by phosphorus pentasulfide and lithium polysulfide. In addition, a lithium metal battery comprising the aforesaid electrolyte solution and a method for preparing the aforesaid electrolyte solution are also disclosed.
Nº publicación: WO2024177574A1 29/08/2024
Applicant:
NATIONAL UNIV OF SINGAPORE [SG]
NATIONAL UNIVERSITY OF SINGAPORE
Absstract of: WO2024177574A1
There is provided a solid-state electrolyte comprising a composite of a lithium ion conducting oxide and a polymer matrix, wherein the electrolyte has an ionic conductivity at 25°C of ≥ 1 mS/cm. There is also provided a method of forming the same.