Abstract: A battery cell, a battery, and an electrical apparatus are provided. The battery cell includes a housing, a pressure relief mechanism and a protective member. The housing is provided with a stepped hole communicating with the interior of the housing, the stepped hole includes a first hole section and a second hole section which are arranged in a first direction, and the first hole section is located on the side of the second hole section facing away from the inside of the housing. The pressure relief mechanism and the protective member are respectively arranged in the second hole section and the first hole section, and the protective member covers at least a portion of the pressure relief mechanism.

Abstract: The present disclosure provides a display panel and a display device. The display panel includes: a substrate; a plurality of display units arranged on a side of the substrate, each of the plurality of display units including at least one sub-pixel; a plurality of elastic stretching units arranged on a side of the substrate, each of the plurality of elastic stretching units being connected between two adjacent display units, and a plurality of hollow regions being formed between the plurality of elastic stretching units and the plurality of display units. A sum of areas of the plurality of hollow regions is a, a sum of areas of the plurality of display units is b, and a sum of areas of the plurality of elastic stretching units is c; 15%?a/(a+b+c)×100%?30%.

Abstract: The present application provides an end cover assembly, a secondary battery, a battery module, a device, a liquid-injection method and a device thereof. The end cover assembly for the secondary battery includes: an end cover, provided with a through hole for injecting electrolyte, and including a connecting portion; a sealing assembly, configured to seal the through hole; a locking-fixing member, configured to be movable relative to the connecting portion in a radial direction of the through hole, so as to realize switching between a locked state and an unlocked state of the locking-fixing member and the connecting portion. In the locked state, the locking-fixing member presses against the sealing assembly to restrict the end cover to be separated from the sealing assembly; in the unlocked state, the end cover and the sealing assembly are separable to allow electrolyte to be injected from the through hole.

Abstract: A battery cell, a battery and an electricity-consuming apparatus are provided by the present application. The battery cell includes a casing and a pressure relief mechanism; the casing includes a first wall provided with a through hole; the pressure relief mechanism is arranged on the first wall, and at least a portion of the pressure relief mechanism is located in the through hole.

Abstract: Provided are a method and apparatus for controlling power consumption of an ONU, an electronic device, and a storage medium. The method includes: monitoring a current state of the ONU in real time, wherein the state at least includes a deep energy saving state, and data flow of the ONU in the deep energy saving state is lower than a preset threshold; and performing message processing on received data through a CPU channel and performing a power-off operation on a hardware module in an acceleration channel of the ONU when the ONU is currently in the deep energy saving state; wherein the acceleration channel is connected to a data ingress of the ONU, and the hardware module in the acceleration channel is configured to perform message processing on the received data of the ONU.

Abstract: A battery includes: a box body, including a side wall for forming an accommodating cavity by enclosing, where the side wall has an exhaust port; a battery cell group, disposed inside the accommodating cavity and including a plurality of battery cells, where the plurality of battery cells are stacked; and an end plate, disposed inside the accommodating cavity and located between the battery cell group and the side wall, where the end plate covers the exhaust port, the end plate is provided with a guide passage, and the guide passage is used for connecting the accommodating cavity and the exhaust port.

Abstract: The present disclosure relates to a system and a method. The system may include a magnetic resonance imaging (MRI) apparatus configured to acquire MRI data with respect to a region of interest (ROI) and a therapeutic apparatus configured to apply therapeutic radiation to at least one portion of the ROI. The MRI apparatus may include a plurality of main magnetic coils arranged coaxially along an axis, a plurality of shielding magnetic coils arranged coaxially along the axis, and a cryostat in which the plurality of main magnetic coils and the plurality of shielding magnetic coils are arranged.

Abstract: A battery cell includes a housing, an electrode assembly, and a pressure relief mechanism. The electrode assembly is accommodated inside the housing. The pressure relief mechanism is arranged in the housing. The pressure relief mechanism includes a weakened portion, a body portion, and a connecting portion. The weakened portion is configured to be damaged to release a pressure inside the housing when the pressure reaches a threshold. The body portion is located in a region enclosed by the weakened portion, and the connecting portion is located on an outer side of the weakened portion and is configured to be welded to the housing. The body portion is provided with a first groove, and the first groove is configured to release a stress when the connecting portion is welded to the housing.

Abstract: A battery cell includes a shell and an electrode assembly accommodated in the shell. The shell includes a wall portion, the wall portion includes a main body, a connecting portion and a reinforcing portion, the connecting portion surrounds an outer side of the reinforcing portion, and the main body surrounds an outer side of the connecting portion. The connecting portion is provided with a weakened region, and the battery cell is configured to rupture along the weakened region when an internal pressure of the battery cell reaches a threshold, so as to release the internal pressure. The maximum thickness of the reinforcing portion is greater than the maximum thickness of the main body so as to reduce deformation of the reinforcing portion under the internal pressure.

Abstract: The present application provides a battery cell, a battery, and an electrical device. The battery cell includes a shell, an electrode assembly, and a first insulating member. The shell has a wall. The electrode assembly is accommodated in the shell and includes a main body and a tab. The tab protrudes from one end of the main body in a thickness direction of the wall. The first insulating member is accommodated in the shell, the first insulating member includes an insulating body and a limit portion, the insulating body is disposed between the wall and the electrode assembly in the thickness direction of the wall, the limit portion is connected to the insulating body, and at least a portion of the limit portion is located between the main body and the shell in a first direction, where the first direction is perpendicular to the thickness direction of the wall.

Abstract: This application relates to a battery pack and an electric apparatus. The battery pack includes a box and a battery cell. The box includes a body and a bottom cover detachably connected to the bottom of the body. The body and the bottom cover jointly enclose an accommodating cavity for accommodating the battery cell.

Abstract: An insulator, used for a battery cell, includes: an insulator body, having a first surface and a second surface oppositely disposed in its thickness direction, the first surface facing an electrode assembly of the battery cell, and the second surface facing away from the electrode assembly; and a protrusion, formed on the first surface and used for abutting against the electrode assembly; wherein the protrusion is provided with an air vent, and the air vent runs through the protrusion in a direction intersecting with the thickness direction.

Abstract: The present application discloses a busbar assembly, a battery and an electrical apparatus. The busbar assembly comprises a busbar bracket and a busbar. The busbar bracket is provided with a plurality of abutting portions and a plurality of first notches alternately distributed along a preset direction, each of the first notches being used for insertion of a tab of a battery cell assembly. The busbar is connected to at least part of the abutting portions and used for electrical connection with tabs inserted into the first notches. The busbar assembly can reduce the difficulty when assembling with the battery cell assembly.

Abstract: The present application provides a upadacitinib salt compound and a preparation method therefor. The salt involved in the method in the present application has an easy preparation operation, a cheap raw material easy to get, and a good purification effect on upadacitinib, and is beneficial to industrial production.

Abstract: The present disclosure is concerned with compounds, compositions, and methods for synthesizing sphingosines and glycolipids including glycosphingolipids, such as but not limited to lactosyl sphingosine.

Abstract: This application discloses a separator and a preparation method therefor, a battery, and an electric apparatus. The coating is formed on at least part of a surface of the substrate, the coating includes composite particles, first inorganic particles, and a binder, the composite particles form bulges on a surface of the coating, the composite particles include polyacrylate particles and ion-conducting particles, and the ion-conducting particle is present between at least two polyacrylate particles. A mass ratio of the first inorganic particles to the ion-conducting particles is 1:0.007-0.06.

Abstract: The present application relates to a battery pack and a power consuming device. The battery pack includes a battery cell and an enclosure, where the enclosure encloses an accommodation chamber, the enclosure includes a bearing member located at a top of the enclosure and configured to delimit the accommodation chamber, and the battery cell is accommodated in the accommodation chamber and hung from the bearing member.

Abstract: A position determination method, a synchronization method, a device, an apparatus and a terminal are provided. The position determination method for a first RSU includes transmitting a pilot signal and a positioning signaling. The positioning signaling includes an ID of the first RSU, a timing adjustment value of the first RSU and a timing offset value of the first RSU. The timing adjustment value is an adjustment amount for synchronization between the first RSU and a synchronization source when the positioning signaling is transmitted, and the timing offset value is a timing offset between the first RSU and a second RSU.

Abstract: A modular connector system with components that can be economically assembled to both provide high signal integrity and supply reliable power in a harsh environment, such as an automobile. A connector includes a housing having a mating end, a back end, cavities extending from the mating end toward the back end, and latches extending inside the housing and having distal ends toward the back end. Signal and power terminal assemblies are disposed in respective cavities and engage respective latches. A signal terminal assembly includes a signal terminal, a signal cable attached to the signal terminal, and a shield substantially encircling the signal terminal and cable attachment. A power terminal assembly includes an insulative holder, a power terminal held in the insulative holder, and a power cable attached to the power terminal. Other disclosed techniques enable signal and power terminal assemblies stably and interchangeably disposed in the cavities.