Resumen de: WO2023094708A1

The present invention relates to a housing or a portion of a housing for an electronic circuit, preferably an onboard electrical system component of a vehicle. In order to provide a housing for an electronic circuit, preferably an onboard electrical system component of a vehicle and in particular of a battery store, said housing also having improved properties beyond thermal runaway or comparable exceptional thermal states, according to the invention the housing (2) or a portion of the housing has a surface which is in the form of a shielding device (3) having an insulating layer (10) facing the electronic circuit and having a metal outer layer (11), and the housing (2) or a portion of the housing (2) has a heat sink (4).

Resumen de: US2023170562A1

A sealing tool kit for thermally sealing a battery cell envelope, having a first tool which includes a base body which is shape-stable and on which a band-shaped, in particular rectangular, supporting surface is formed, wherein a length of the supporting surface is a multiple of a width of the supporting surface and wherein the supporting surface is provided with a compensating layer of a rubber-elastic material and a resistance heating tape rests on a sealing surface of the compensating layer facing away from the base body, which resistance heating tape is extended along the supporting surface and is fixed at each end to the base body, wherein a first recess and a second recess are formed on the supporting surface, each of which extends over the width of the supporting surface and is arranged at a distance from one another.

Resumen de: US2023170727A1

An output control method for a secondary battery includes: calculating a variation indication amount that correlates with a magnitude of variation between charge and discharge characteristics of the plurality of cells, based on a charge and discharge characteristic indication amount that changes according to change in the charge and discharge characteristic; determining that the variation occurs when the variation indication amount is equal to or larger than a predetermined determination reference value; and setting the available output power based on a determination result that the variation occurs. In the available output power setting step, when the variation does not occur, a basic available output power determined based on the charge and discharge characteristic indication amount is set as the available output power. When the variation occurs, a corrected available output power having a value lower than that of the basic available output power is set as the available output power.

Resumen de: US2023170550A1

A battery coolant heater assembly including a coolant manifold having liquid coolant pathways and a heat transfer surface for transferring heat to liquid coolant flowable within the coolant manifold, an electric heater element thermally contacted to the heat transfer surface of the manifold, and a cover sealably enclosing the heating element between the heat transfer surface and the cover via a gasket. The electric heater element is electrically connected via an electrical connector extending through and formed integrally with the gasket.

Resumen de: US2023170723A1

A method for charging at least one electrical energy storage device of a motor vehicle includes (i) acquiring at least one piece of information regarding a charging point selected for the charging process; and (ii) limiting the maximum noise which the motor vehicle or the at least one electrical energy storage device may emit during the charging process, using the at least one piece of information.

Resumen de: US2023170552A1

A battery arrangement for a motor vehicle, the battery arrangement has a high voltage battery which has a battery housing and several battery cells in the battery housing, and a flooding device for flooding the high voltage battery. The flooding device has at least one supply connection, and the battery arrangement is formed to introduce a cooling medium supplied to the at least one supply connection into the battery housing. Furthermore, the flooding device includes at least one drain through which cooling medium supplied to the battery housing can be guided out of the battery arrangement.

Resumen de: US2023170570A1

A system and method for flight control of an aircraft, the flight control system including a plurality of flight components coupled to an aircraft, wherein the plurality of flight components includes a plurality of redundant control surfaces, a plurality of redundant low voltage buses communicatively connected to the plurality of flight components, wherein a failure in a redundant low voltage bus of the plurality of redundant low voltage busses does not impact the operability of the aircraft.

Resumen de: US2023170531A1

A stacked structure including: a conductive substrate; and a solid electrolyte layer disposed on one surface of the conductive substrate, wherein the solid electrolyte layer includes an inorganic solid electrolyte and the stacked structure has a flexible free-standing film having a thickness of about 5 μm or less. Provided are an electrochemical battery including the stacked structure, and a method of preparing the stacked structure.

Resumen de: US2023170714A1

A battery charger may include a printed circuit board (PCB) having a first portion supporting alternating current (AC) electrical components and a second portion supporting direct current (DC) electrical components; an indicator including a light-emitting diode (LED) supported on the first portion of the PCB and operable to emit light; and an isolating member positioned on the first portion between the AC electrical components and the LED. A trace on the PCB may be electrically connected to the second portion of the PCB, the trace extending from the second portion and along the first portion, and the LED may be electrically connected to and receiving DC power through the trace, the LED being selectively positioned along a length of the trace. The LED may be positioned more than about 8 mm from the AC electrical components.

Resumen de: US2023170527A1

A non-aqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a non-aqueous electrolyte. The negative electrode includes a negative electrode material mixture containing a negative electrode active material capable of electrochemically absorbing and releasing lithium ions, and carbon nanotubes. The negative electrode active material includes a silicon-containing material and a carbonaceous material. The non-aqueous electrolyte includes at least one cyclic ester selected from the group consisting of a cyclic sulfate ester, a cyclic sulfite ester, and a sultone. A content of the carbon nanotubes in the negative electrode material mixture is 0.005 mass% or more and 0.05 mass% or less.

Resumen de: US2023170580A1

Implementations of the present disclosure generally relate to separators, high performance electrochemical devices, such as, batteries and capacitors, including the aforementioned separators, systems and methods for fabricating the same. In one implementation, a separator is provided. The separator comprises a polymer substrate, capable of conducting ions, having a first surface and a second surface opposing the first surface. The separator further comprises a first ceramic-containing layer, capable of conducting ions, formed on the first surface. The first ceramic-containing layer has a thickness in a range from about 1,000 nanometers to about 5,000 nanometers. The separator further comprises a second ceramic-containing layer, capable of conducting ions, formed on the second surface. The second ceramic-containing layer is a binder-free ceramic-containing layer and has a thickness in a range from about 1 nanometer to about 1,000 nanometers.

Resumen de: US2023170535A1

A battery module, a device, and a failure handling method for a failed battery cell. The battery module includes: a battery cell arrangement structure, including a plurality of battery cells arranged along a length direction, where the battery cells include electrode terminals, and the battery cells include a failed battery cell; a box body, having an accommodation cavity in which the battery cell arrangement structure is located; a mounting beam, located in the accommodation cavity and at an end of the battery cell arrangement structure along the width direction; a pressing plate; and a conductive component, connected to a positive electrode terminal and a negative electrode terminal of the failed battery cell. The conductive component is easily connected to electrode terminals of a failed battery cell, so that a maintenance process can be simplified and maintenance costs can be reduced.

Resumen de: WO2023093517A1

The present invention relates to the technical field of electrochemistry, specifically to a solid-state electrolyte and a secondary battery. The solid-state electrolyte of the present invention comprises a polymer A' and a polymer B', wherein the polymer A' is a long-chain molecular compound containing a polyethylene glycol unit; the polymer B' is a chain compound containing an amide group; and the polymer A' and the polymer B' form a dynamic cross-linking network by means of a non-covalent bond. The polymer A' provides a flexible interface for the solid-state electrolyte, an amide bond in the polymer B' provides a hydrogen bond cross-linking point, and the polymer B' and the polymer A' form a dynamic cross-linking network in the form of a non-covalent bond by means of the crosslinking of hydrogen bonds, so as to adapt to the volume change of an electrode during the charge-discharge process, thereby improving the capacity and cycling stability of a polymer solid-state battery.

Resumen de: WO2023093505A1

Provided in the present invention are a pole piece and an electrochemical device. The pole piece comprises a substrate. The substrate comprises a current collector and a protective layer arranged on the surface of the current collector. An active substance layer is further arranged on the protective layer. The protective layer comprises a non-active material. The non-active material comprises an inorganic material. The percentage of mass loss in the thermogravimetric analysis of the inorganic material is a, 0.1% ≤ a ≤ 10%,a=(m 0 - m 1)/m 0. m 0 is the mass of the inorganic material before the thermogravimetric analysis, and m 1 is the mass of the inorganic material after the thermogravimetric analysis. The mass after the thermogravimetric analysis is the mass of the inorganic material when experiencing a temperature increase in an inert atmosphere from 25 ± 5 °C to 900 ± 20 °C at a heating rate of 20 ± 2 °C/min. The present invention allows for improving the performance such as safety and recyclability of the electrochemical device.

Resumen de: WO2023093466A1

The present disclosure relates to a battery apparatus and an electronic device. The battery apparatus comprises a housing, a battery cell and an electrical connector, wherein the battery cell is arranged inside the housing, the battery cell is connected to the housing, the battery cell is of a spiral winding structure, the battery cell comprises a positive plate and a negative plate, and the length of the negative plate is larger than the length of the positive plate, so as to form a redundant length; the housing comprises a positive end face and a negative end face, one end face of the battery cell is opposite the positive end face, and the other end face of the battery cell is opposite the negative end face; and the electrical connector is arranged around the middle of the positive end face and/or the negative end face, the electrical connector has a first end and a second end, the first end and the second end are arranged spaced apart from each other, the first end is connected to the positive end face and/or the negative end face, and the electrical connector is configured to be used for weakening or offsetting a magnetic field generated by the redundant length of the negative plate. (FIG. 1)

Resumen de: WO2023093543A1

The present application discloses a battery pack configured to supply power to an electric tool. The battery pack comprises: a housing; a battery cell assembly, arranged in the housing and comprising a plurality of battery cell units; and further comprises: a heat absorption body made from a composite phase change material, the heat absorption body being in thermal contact with at least one battery cell unit for absorbing heat generated during the charging and discharging process of the battery pack. The composite phase change material comprises a phase change material constituting at least a part of a main body, and a phase change microcapsule added to the main body. By using the described technical solution, a battery pack that is compact in structure, effectively inhibits temperature rise and has a stable performance at high temperature is provided.

Resumen de: WO2023093589A1

In order to overcome the problem of poor high-temperature cycle performance of existing high-voltage batteries, the present invention provides a lithium secondary battery, comprising a positive electrode, a negative electrode, and a non-aqueous electrolyte, wherein the surface of a positive electrode active material is doped or coated with a compound containing a first metal element and a second metal element, and the non-aqueous electrolyte comprises a solvent, an electrolyte salt, and a compound shown in structural formula 1:, wherein R1 is selected from C3-C6 unsaturated hydrocarbyl groups, R2 is selected from C2-C5 hydrocarbylene groups, and n=1 or 2; the lithium secondary battery satisfies the following condition: 0.05≤a×(b+c)≤3. According to the lithium secondary battery provided in the present invention, the compound shown in structural formula 1 in the electrolyte can effectively inhibit cobalt ions from dissolving out and repair the damage to a negative electrode SEI film by dissolved cobalt ions, and can mitigate the transfer problem of lithium ions in a battery charging and discharging cycle process caused by doping metal elements, reduce battery impedance and battery polarization, and slow down lithium precipitation of the battery, such that the battery can have good high-temperature cycle performance.

Resumen de: WO2023093432A1

Disclosed in the present application is a battery pack. The battery pack comprises a battery case, a plurality of cells, an insulating film, and a pressure relief valve. The battery case comprises a case body and a first case cover, wherein a first accommodating cavity is provided in the case body, and the first case cover is connected to the case body in a sealing manner so as to form a second accommodating cavity. The plurality of cells are fixed in the first accommodating cavity. A bottom plate of the case body is provided with an air vent, the insulating film is laid between the cells and the bottom plate and is used for blocking the air vent, and high-temperature gas generated when thermal runaway occurs in the cells can enter the second accommodating cavity from the first accommodating cavity through the air vent. The pressure relief valve is arranged on a side wall of the case body, and the high-temperature gas in the second accommodating cavity can be discharged by means of the pressure relief valve.

Resumen de: WO2023093340A1

Provided in the present application are an outer package and a preparation method therefor, a secondary battery, a battery module, a battery pack and an electric device. The outer package comprises a base material, and a ceramic layer, a waterproof layer and an insulating layer which are sequentially arranged on the surface of the base material, wherein the ceramic layer comprises α-aluminum oxide and/or zirconium oxide and has a thickness of 5-15 μm; the waterproof layer comprises at least one of nano silicon dioxide powder, nano titanium dioxide powder and nano ceramic powder, and has a thickness of 5-15 μm; and the insulating layer comprises nano barium salt and a composite resin material, and has a thickness of 45-55 μm. The outer package provided in the present application has good deformation resistance, waterproof performance and insulation performance, and is beneficial for improving the electric leakage phenomenon of a secondary battery so as to improve the safety performance of the secondary battery. In addition, the thickness of the outer package does not exceed 85 μm, which is beneficial for improving the energy density of the secondary battery.

Resumen de: WO2023093331A1

Embodiments of the present application relate to the technical field of battery production. Disclosed are a battery cell assembly, a battery unit, a battery, and a power consumption device. The battery cell assembly comprises a support member and a plate assembly wound on the support member; the support member comprises a plate-shaped middle portion and two protruding support portions oppositely disposed on two sides of the middle portion along a first direction parallel to the middle portion, and each support portion protrudes in a second direction perpendicular to the middle portion; the plate assembly comprises a positive plate, a negative plate, and a separator, the separator is sandwiched between the positive plate and the negative plate, and the width direction of the positive plate is perpendicular to the first direction.

Resumen de: US2023170545A1

In a battery pack for use in an electric vehicle at least two longitudinal rows of prismatic battery cells extend side-by side in the length direction (L). The cells are packed in an array including transverse rows. The array has longitudinal sides. Plate-shaped cooling members are interposed between adjacent cells in the longitudinal rows and extend in the width direction (W) from an upstream longitudinal side to the opposite longitudinal side of the array. Each plate-shaped cooling member is connected with an inlet to a coolant distribution duct and with an outlet to a coolant outflow duct. The distribution duct and the outflow duct extend parallel to sill members. The distribution duct is connected to a supply duct and the outflow duct is connected to a return duct, the supply duct and the return duct extending through the front piece and/or the transverse member.

Resumen de: US2023170542A1

A system for initializing operations of one or more batteries of a lithium-ion battery pack to supply electric power to an electrical load includes a switching device, an output device, and a controller. The switching device is configured to move between a first position to facilitate supply of electric power from the batteries to the electrical load and a second position to restrict supply of electric power from the batteries to the electrical load. The output device is configured to be activated to indicate an availability of the batteries to supply electric power to the electrical load. The controller receives an input, actuates a contactor associated with at least one battery to facilitate electrical connection between the at least one battery and the electrical load, and moves the switching device to the first position to cause an activation of the output device in response to the actuation of the contactor.

Resumen de: US2023170543A1

An adjustable structure for battery cooling having a holding frame (15) for holding at least one battery module, with the holding frame (15) defining a frame plane with a plane normal vector (N1). A cooling plate (16) for battery cooling is provided having at least one cooling surface (16a) with a surface normal vector (N2), and is arranged adjacent said holding frame (15). The surface normal vector (N2) extends parallel to said plane normal vector (N1). A moving mechanism (17, 18) for moving the cooling plate (16) and the holding frame (15) relative to one another in a direction parallel or anti-parallel to the plane normal vector (N1) and to the surface normal vector (N2) is provided and holds cooling plate (16) against the holding frame (15) and/or against a battery module that is held by the holding frame (15).

Resumen de: US2023170540A1

An intelligent-identification quick-charge electric blanket includes an electric blanket body, a manual operation button module and a connecting cable for a quick charge power source. The connecting cable includes an input module, a cable body, and an output port. The input module includes an output control circuit, a main control circuit, a power supply circuit, and a USB interface. The electric blanket simplifies the structure of the electric blanket body. It is convenient for subsequent replacement of the quick charge identification function or the electric blanket body, thereby reducing the maintenance cost.

Resumen de: US2023170546A1

A thermal management system for a traction battery of an electric vehicle. The thermal management system includes an actuator for influencing a temperature of the traction battery, at least one microphone for detecting a sound in an environment of the thermal management system, and a control unit. The actuator and the microphone are communicatively connected to the control unit such that the actuator is controllable, by the control unit, based on a detection signal of the at least one microphone. Moreover, an electric vehicle having a traction battery and such a thermal management system is presented. Furthermore, a method for operating a thermal management system for a traction battery of an electric vehicle is disclosed. The method is applied during charging of the traction battery.