Abstract: A battery and an electrical apparatus are described. The battery includes a bare battery cell, a case, and a top cover. The case has an accommodating cavity formed therein, where the accommodating cavity penetrates through one side surface of the case along a first direction to form an installation opening, the bare battery cell is disposed in the accommodating cavity, and a heat-softening region and a body region are formed in a case wall of the case, where a hardness of the heat-softening region is lower than a hardness of the body region, and the bare battery cell and the heat-softening region are spaced apart along the first direction. The top cover covers the installation opening.

Abstract: The present application relates to the field of high-throughput chemical reactions, and in particular to a sealing process for a well plate, a high-throughput screening method, a well plate heat-sealing device, and a high-throughput screening system. The sealing process for a well plate includes: covering a layer of film above blind wells of a well plate and then performing heat sealing, and the material for forming the film is consistent with the material of the part of the well plate in contact with the film, and the heat-sealing conditions include: the heat-sealing temperature is 5-65 °C higher than the melting point of the material of the film, and the heat-sealing duration is 0.3-4.5 s. The sealing process can solve problems that sealing of a single well with a small volume in an existing well plate is difficult and a temperature tolerance of an existing well plate sealing process is low.

Abstract: A battery case, a battery and an electrical device. The battery case includes a frame; a thermal management plate welded to the frame, the thermal management plate and the frame enclosing an accommodating space, where a heat exchange flow channel for a heat exchange medium to flow is disposed in the thermal management plate, and the heat exchange flow channel includes a water inlet/outlet portion; and a current collector fixedly connected to the thermal management plate and arranged on an outer side of the accommodating space. A converging flow channel in communication with the water inlet/outlet portion is arranged in the current collector. The current collector is welded to the frame. A first welding mark is formed between the thermal management plate and the frame. A second welding mark is formed between the current collector and the frame. The first welding mark is connected to the second welding mark.

Abstract: A battery cell, a battery, and an electric apparatus. The battery cell includes a housing and an end cover. An accommodating cavity is formed inside the housing. At least one end of the accommodating cavity in a first direction is provided with an opening. The accommodating cavity is configured to accommodate an electrode assembly. The end cover includes a first cover body and a second cover body stacked along the first direction. The first cover body is connected to the housing to seal the opening. Strength of the second cover body is greater than strength of the first cover body.

Abstract: A housing body of a battery cell includes a first wall, a second wall, and a third wall, the first wall and the second wall are oppositely arranged in a first direction, the third wall includes a first sub-wall and a second sub-wall sequentially distributed along the first direction, and the first sub-wall and the second sub-wall are respectively connected to the same-side ends of the first wall and the second wall in a second direction, with the first direction being perpendicular to the second direction. The first sub-wall includes a first thickened portion, the second sub-wall includes a second thickened portion, a thickness of the first thickened portion is greater than a thickness of the first wall, a thickness of the second thickened portion is greater than a thickness of the second wall, and the first thickened portion and the second thickened portion are welded.

Abstract: A battery cell, a battery, and an electric apparatus. The battery cell includes: a housing, the housing including a first wall; an electrode assembly, provided with a tab; an electrode terminal, disposed on the first wall, and the electrode terminal being configured to connect to a busbar of the battery; and an adapting member, the adapting member being configured to connect the tab and the electrode terminal. The electrode terminal is formed with a first weld pool region and a second weld pool region, where the first weld pool region is configured to connect to the busbar, the second weld pool region is connected to the adapting member, and the first weld pool region and the second weld pool region are offset along a direction perpendicular to a thickness direction of the first wall.

Abstract: A battery, a battery module, and an electric device are provided. The battery includes a top cover body, a pole, an insulator, and a sealing ring. The pole extends through a mounting hole of the top cover body and is fastened to the top cover body by the insulator. An extension portion of the insulator is located between a hole wall of the mounting hole and the pole body. The sealing ring is disposed between the top cover body and a base plate of the pole and surrounds the pole body. The sealing ring and the extension portion at least partially overlap in an axial direction of the pole body, thereby improving sealing performance and structural stability of the battery.

Abstract: A battery and a vehicle. The battery includes a cell, a box, and a guard. The cell has an explosion-proof valve. The cell is accommodated in the box. The box has a box wall. The explosion-proof valve faces the box wall. The guard is located between the cell and the box wall and is arranged to cover the cell. A vent hole is provided at a position on the guard corresponding to the explosion-proof valve. The vent hole runs through the guard. The guard is located between the cell and a ground when the battery is installed in the vehicle.

Abstract: The battery cell includes: a housing, including a housing cover and a housing body, where a terminal is arranged on the housing; an electrode assembly, including a conductive portion and an active material coating portion, where the conductive portion is electrically connected to the active material coating portion and the terminal; a bracket, arranged at an end of the active material coating portion away from the housing cover in the housing body; and an insulating member, including a main insulating portion, a first insulating portion, and a second insulating portion, where the main insulating portion is arranged on a circumferential side of the active material coating portion. The first insulating portion is arranged between the bracket and the end of the active material coating portion away from the housing cover, and the second insulating portion is arranged at an end of the active material coating portion close to the housing cover.

Abstract: An end cover assembly includes an end cover and a pressure relief member. The pressure relief member is provided in the end cover, and the pressure relief member is provided with an indentation groove. The pressure relief member is configured to crack along the indentation groove to release internal pressure of a battery cell when internal pressure or temperature of the battery cell reaches a threshold. Hardness of the pressure relief member is lower than hardness of the end cover.

Abstract: Provided is a yarn box, a yarn stripping method, an electronic device and a storage media. The yarn box includes a support, a yarn stripping rod and a yarn receiving rod; where a first end of the yarn receiving rod is connected to the support, a first end of the yarn stripping rod is slidably connected to the support, the yarn stripping rod is configured to slide to a yarn stripping position corresponding to a first yarn receiving rod among the yarn receiving rod when multiple yarn spindles are sleeved outside the first yarn receiving rod and the number of yarn spindles of the first yarn receiving rod reaches a set condition, the yarn stripping rod is provided with multiple yarn strippers corresponding to the multiple yarn spindles one by one, and the yarn strippers are configured to strip fiber yarn on outer surfaces of the corresponding yarn spindles.

Abstract: A system for a passive optical network.

Abstract: A flame arrester capable of automatically eliminating defects of a fire arresting portion. The flame arrester includes a fire arresting section, wherein the fire arresting section is provided with a fire arresting section housing, the fire arresting section housing is hollow and fire arresting section openings are respectively formed at two ends of the fire arresting section housing, blocking portions are respectively arranged at the fire arresting section openings so as to define a fire arresting cavity between the two blocking portions, a plurality of openings are formed in the blocking portion, the fire arresting cavity is filled with fire arresting particles, the fire arresting section further includes a fire arresting particle replenishment structure, and the fire arresting particle replenishment structure is configured to automatically fill the fire arresting cavity with the fire arresting particles when a gap is generated in the fire arresting cavity.

Abstract: The present invention relates to the field of pharmaceutical synthesis, and disclosed is an exenatide analog. The exenatide analog is used for preparing a pharmaceutical composition for treating diseases. Also disclosed is a use of the pharmaceutical composition in preparation of medicines for treating at least one of the following diseases: type-II diabetes, impaired glucose tolerance, type-I diabetes, obesity, hypertension, metabolic syndrome, dyslipidemia, cognitive disorder, atherosclerosis, myocardial infarction, coronary heart disease, cardiovascular diseases, stroke, inflammatory bowel syndrome and/or dyspepsia or gastric ulcer, hepatic fibrosis diseases, and pulmonary fibrosis diseases.

Abstract: The present disclosure provides a display panel and a method for manufacturing the display panel. The display panel includes a display array, a chip and a circuit board. The array substrate includes a display portion and a transition portion, a bending portion and a first bonding portion which are connected in sequence at an end of the display portion. The first bonding portion is bent through the bending portion to a side of the transition portion in a second direction Y. The circuit board includes a body portion and a second bonding portion. A second bonding electrode of the second bonding portion is connected to the first bonding electrode. The first bonding portion has a sticking-out portion at an end of the first bonding electrode connected to the second bonding electrode. The sticking-out portion extends along the first direction X.

Abstract: A battery module detection system and method. The battery module detection system includes a control circuit and a detection circuit, wherein the detection circuit includes a resistance unit. The control circuit is configured to: control the transmission of a power supply voltage to the detection circuit and obtain a detection voltage fed back by the detection circuit, determine detection parameters inside a battery module on the basis of the power supply voltage, the detection voltage and the resistance value of the resistance unit, and on the basis of the detection parameters inside the battery module, determine whether an insulation abnormality is present inside the battery module.

Abstract: A data-model dual-driven fault diagnosis method for an oil and gas pipeline network in a class imbalance data scenario includes: a thorough understanding of a propagation and attenuation mechanism of a negative pressure wave when oil and gas move in the pipeline network is provided, and a negative pressure wave attenuation physical model reflecting an operating state of the pipeline network is established; a deep generative adversarial model suitable for processing time sequence data is constructed based on a long short-term memory network; a reasonable series-parallel mechanism is designed to fuse the physical model and a data-driven model to construct a hybrid generative adversarial model; the trained hybrid generative adversarial model is used to generate pipeline network fault data and balance an original training set; and an intelligent fault diagnosis model is trained to realize pipeline fault type identification.

Abstract: A battery cell, a battery, and an electric device. The battery cell includes a housing and an exhaust assembly. The housing has a wall portion. The exhaust assembly is arranged on the wall portion. The exhaust assembly includes a one-way valve and/or a gas-permeable membrane assembly. The gas-permeable membrane assembly includes a gas-permeable membrane. The exhaust assembly is configured to discharge gas inside the housing. The wall portion is provided with a first weakened zone. The first weakened zone is arranged along a circumferential direction of the exhaust assembly..

Abstract: A battery cell includes a housing, an electrode terminal, and a fixing member. The housing includes a first wall provided with a first through hole. The electrode terminal includes a main body and a step portion, where at least a portion of the main body passes through the first through hole, the step portion protrudes from a peripheral surface of the main body, and the step portion is located on an outer side of the first wall. . The fixing member is provided with a second through hole for the main body to pass through. In a thickness direction of the first wall, at least a portion of the fixing member is located between the first wall and the step portion. In the thickness direction of the first wall, the main body has a first end surface facing away from an interior of the housing.

Abstract: The battery comprises a plurality of battery cells, one end of each battery cell being provided with a first end surface in the height direction, and the first end surface being provided with an electrode terminal; and a first thermal management component, each first end surface being fixedly bonded to the first thermal management component by means of a thermally conductive structural adhesive, and the first thermal management component being provided with first openings for exposing the electrode terminals. The first end surfaces of the battery cells are fixedly bonded to the first thermal management component by means of the thermally conductive structural adhesive, so as to connect the plurality of battery cells into a whole, thereby improving the overall structural strength of the battery, effectively resisting the expansion and deformation of the battery cells, and reducing the risk of battery cell failure due to the expansion and deformation.