Abstract: An electrode assembly, a battery cell, a battery, and an electrical apparatus are disclosed. The electrode assembly includes a first electrode plate, the electrode plate includes a current collector and active material layers arranged on the current collector, the active material layer is provided with a plurality of material removal regions at intervals in an extension direction (L) of the first electrode plate, and the material removal region extends in a width direction (Y) of the first electrode plate; the active material layer is provided with a marking portion, a width of the marking portion in the extension direction (L) of the first electrode plate is greater than or equal to a width of the material removal region, and the marking portion spans across the material removal region.

Abstract: A method for determining a direction and a distance of a metallogenic pluton of a skarn deposit with a garnet includes: collecting a sample; performing petrographic observation on the sample and designing an experimental area; computing a parameter; building a model; setting a parameter range; optimizing the parameters of the three models through a grid search method, and determining an optimal model and corresponding parameters a?, b and c through repeated circulative iteration and by taking a minimum R as a limit condition; and substituting data of all sampling points into the optimal model, computing D of each sampling point, drawing a circle with a corresponding sampling point as a center and D as the radius, determining an intersection point of all circles as coordinates of the metallogenic pluton, and performing delineation with R as a buffer area of the metallogenic pluton.

Abstract: Some embodiments of this application provide an electrode assembly, a battery cell, a battery, and an electrical device. The electrode assembly includes at least one first electrode plate, where the first electrode plate is bent and includes: a current collector; and an active material layer, disposed on the current collector. The active material layer includes a material-removed region in at least a part of bends of the first electrode plate. The material-removed region extends along a width direction of the first electrode plate. A depth of the material-removed region does not exceed a thickness of the active material layer at which the material-removed region is located.

Abstract: Embodiments of the present application provides a method for improving the short-circuit capability of an enhancement-mode (E-mode) GaN HEMT and its device structure. This is achieved by depositing metal in the active region between the gate and the source, adjacent to the source region of a conventional E-mode GaN HEMT, the metal is directly connected with the source of the conventional E-mode GaN HEMT. The conventional E-mode GaN HEMT is combined with a gate-source-shorted depletion-mode (D-mode) GaN HEMT to form a complete E-mode GaN HEMT with improved short-circuit capability. By clamping the saturation current of the complete device through the D-mode GaN HEMT, the saturation current density of the E-mode GaN HEMT can be reduced, and the purpose of improving the short-circuit capability is finally realized.

Abstract: Provided are a marking device and a lamination manufacturing system. The marking device includes an attachment mechanism, a coating mechanism, and a stripping mechanism, wherein the attachment mechanism is configured to attach shielding members to a marking area of a base material; the coating mechanism is arranged downstream of the attachment mechanism along a conveying direction of the base material, and the coating mechanism is configured to coat the base material; and the stripping mechanism is arranged downstream of the coating mechanism along the conveying direction, and the stripping mechanism is configured to detach the shielding members from the base material to form scores on the marking area.

Abstract: Provided are a marking device and an electrode sheet production system. The marking device includes a vibration mechanism and a cutter head. The vibration mechanism is provided on a side of the electrode sheet provided with the active material layer along the thickness direction of the electrode sheet. The cutter head is connected to the vibration mechanism and the cutter head extends in a width direction of the electrode sheet. The vibration mechanism is configured to drive the cutter head to vibrate in a thickness direction of the electrode sheet and to allow the cutter head to contact the electrode sheet, thus forming a score on the electrode sheet.

Abstract: An air-blowing roller includes: a roller body, where a plurality of air outlets are disposed on an outer peripheral surface of the roller body, the plurality of air outlets are arranged along an axial direction of the roller body, an air exhaust direction of the air outlets is tangent to the outer peripheral surface of the roller body, and air exhaust directions of the plurality of air outlets are consistent. A dust removal apparatus includes a conveyance mechanism, an air-blowing roller assembly, and an air intake roller assembly.

Abstract: The invention relates to a preparation method for a multifunctional modified molybdenum disulfide nano-additive, with step 1: synthesizing a lignocellulose; step 2: synthesizing lignocellulose/MoS2 composite nanoparticles; step 3: synthesizing a lignocellulose/MoS2—Ag nanocomposite to obtain the multifunctional modified molybdenum disulfide nano-additive. The invention provides a preparation method for a multifunctional modified molybdenum disulfide nano-additive, adding which into the cutting fluid will remarkably improve the lubricating property, bactericidal and corrosion resistance performance.

Abstract: A component protection apparatus includes a chamber configured to enclose a component that is to be protected and contain a liquid that surrounds the component. The liquid is configured to reduce an amount of an impact on the chamber that is transferred to the component. The component protection apparatus further includes a temperature control system configured to permit heating and cooling of the liquid.

Abstract: An unmanned aerial vehicle (UAV) includes a power system providing flight power to the UAV and a frame assembly supporting the power system and including a center frame and an arm assembly. The arm assembly includes an arm connected with the center frame, a deformation rod, and a support rod parallel to the arm. Two ends of the deformation rod are rotatably connected with the arm and the support rod, respectively. The support rod is configured to move translationally relative to the arm while remaining parallel to the arm, so as to be selectively in a folded state or an unfolded state. Each of two ends of the deformation rod forms a first or a second preset angle with one of the arm and the support rod when the support rod is in the folded or unfolded state. The second preset angle is smaller than the first preset angle.

Abstract: A patterned sapphire substrate has a first surface and a second surface opposite to each other, in which, the first surface of the substrate is formed by arranging a plurality of interspaced patterns, wherein, the patterns have a top surface, a bottom surface and a plurality of side surfaces and at least one concave region sandwiched between the adjacent side surfaces and the top surface, where, depth and width of the concave region gradually decrease from the top to the bottom of the pattern. The concave region on the pattern surface of the patterned sapphire substrate enlarges light reflection area, thus improving light extraction efficiency of the patterned sapphire substrate.

Abstract: A component protection apparatus includes a chamber configured to enclose a component that is to be protected and contain a liquid that surrounds the component. The liquid is configured to reduce an amount of an impact on the chamber that is transferred to the component. The component protection apparatus further includes a temperature control system configured to permit heating and cooling of the liquid.

Abstract: The present invention provides a vehicle comprising a power source such as a primary battery, a secondary battery, and a supercapacitor. The power source includes a plurality of components. At least one of the plurality of components serves as at least a portion of the structural part of the vehicle. The power source is integrated with the structure of the vehicle, and improves the endurance of the vehicle.

Abstract: The present invention provides a container, a transportation system comprising such a container, and a method of using the transportation system. The container includes a battery that provides electricity to a vehicle such as an unmanned aerial vehicle that is carrying and shipping the container. The battery functions as a supplemental power supply to the vehicle and hence improves the endurance of the vehicle, so that heavier cargo can be shipped over longer distance.

Abstract: The present invention provides a container, a transportation system comprising such a container, and a method of using the transportation system. The container includes a battery that provides electricity to a vehicle such as an unmanned aerial vehicle that is carrying and shipping the container. The battery functions as a supplemental power supply to the vehicle and hence improves the endurance of the vehicle, so that heavier cargo can be shipped over longer distance.

Abstract: The present invention provides an optoelectronic module and an imaging apparatus such as an endoscope comprising such module. The optoelectronic module includes a housing and an image sensor. The image sensor's face has a perimeter S, the cross section of the optoelectronic module along the face has a perimeter H, and S<H<1.6S. In an example, illumination components such as a flashing LED and the image sensor are confined within the minimum bounding circle of the sensor's face. The invention exhibits technical advantage in minimizing the size of the insert portion of the endoscopy.

Abstract: The present invention provides an optoelectronic module and an imaging apparatus such as an endoscope comprising such module. The optoelectronic module includes a housing and an image sensor. The image sensor's face has a perimeter S, the cross section of the optoelectronic module along the face has a perimeter H, and S<H<1.6S. In an example, illumination components such as a flashing LED and the image sensor are confined within the minimum bounding circle of the sensor's face. The invention exhibits technical advantage in minimizing the size of the insert portion of the endoscopy.

Abstract: A patterned sapphire substrate has a first surface and a second surface opposite to each other, in which, the first surface of the substrate is formed by arranging a plurality of interspaced patterns, wherein, the patterns have a top surface, a bottom surface and a plurality of side surfaces and at least one concave region sandwiched between the adjacent side surfaces and the top surface, where, depth and width of the concave region gradually decrease from the top to the bottom of the pattern. The concave region on the pattern surface of the patterned sapphire substrate enlarges light reflection area, thus improving light extraction efficiency of the patterned sapphire substrate.

Abstract: The present invention provides a vehicle comprising a power source such as a primary battery, a secondary battery, and a supercapacitor. The power source includes a plurality of components. At least one of the plurality of components serves as at least a portion of the structural part of the vehicle. The power source is integrated with the structure of the vehicle, and improves the endurance of the vehicle.

Abstract: Techniques for providing a consolidated view of directory changes across different directory servers. In one set of embodiments, a changelog record can be received from a directory server, where the directory server is associated with a proprietary changelog format, and where the changelog record is formatted according to the proprietary changelog format. The received changelog record can then be translated into a virtualized changelog record that is formatted according to a standard changelog format, and the virtualized changelog record can be sent to a consuming client. In a further set of embodiments, a “changelog cookie” can be generated for a virtualized changelog record prior to sending the record to a client. In various embodiments, the changelog cookie can act as a globally unique identifier—i.e., an identifier that distinguishes the virtualized changelog record from other virtualized changelog records.