Abstract: The present disclosure provides a lithium-ion battery, the lithium-ion battery comprises a positive electrode plate, a negative electrode plate, a separator and an electrolyte, the positive active material comprises a layered lithium-containing compound, the negative active material comprises graphite, the positive film and the negative film satisfy a relationship 0.3?(OIc×PDc)/(OIa×PDa)?20.0. The present disclosure can make the lithium-ion battery have smaller swelling and higher charging capability, and also make the lithium-ion battery have excellent cycle life and excellent safety performance during the long-term fast charging process.

Abstract: A top cap assembly includes a top cap plate, a mounting piece, and a protection film. The top cap plate includes an inner side and an outer side disposed opposite to each other along a thickness direction of the top cap plate, the inner side and the outer side are spaced apart from each other to form a receptacle in between, and the receptacle communicates with an outside space. The mounting piece is disposed protrusively in the receptacle and comprising a fixed end and a free end disposed opposite to each other. The fixed end is disposed on a wall of the receptacle, and the free end extends along the thickness direction of the top cap plate and is spaced apart from the wall of the receptacle to form a threading clearance. One end of the protection film is attached to the mounting piece through the threading clearance.

Abstract: A light-emitting device includes at least two capping layers which include a first capping layer closest to a second electrode. A refractive index of a capping layer closer to the second electrode is greater than that of a capping layer farther away from the second electrode. A first capping layer material satisfies at least one of: the intermolecular minimum center-of-mass distance of the first capping layer material is in a range of 2 ? to 6 ?, and the dimension of the molecular structure of the first capping layer material in the third direction is in a range of 3 ? to 15 ?; and further satisfies at least one of: the molecular volume of the first capping layer material is in a range of 4000 Bohr3 to 8000 Bohr3, and the molecular density of the first capping layer material is in a range of 1.2 g/cm3 to 2.6 g/cm3.

Abstract: The present disclosure provides a rubber frame for supporting a display panel. A flexible printed circuit board is coupled to a binding end of the display panel, the rubber frame includes an annular frame body, the annular frame body includes a first portion corresponding to the flexible printed circuit board, and the first portion is separated from the other portions of the annular frame body. The present disclosure further provides a backlight module and a display device.

Abstract: The disclosure discloses a method for displaying media asset data and a display apparatus. The method includes: receiving an instmetion for a selector to move to a media asset control on a primary page; if content corresponding to the media asset control is classified media assets and meets a preset condition, sending a request for previewing data, wherein the preset condition includes that when a duration that the selector is located on the media asset control reaches a preset duration or an instruction for selecting the media asset control is received, the request for previewing data is sent; receiving feedback content according to the request for previewing data from the server; and if the feedback content includes the media asset data, controlling a display to show the media asset data on the primary page.

Abstract: Disclosed are a display apparatus and a method. The method includes: receiving an install command for installing a target third party application in the display apparatus from a user; in response to the install command for installing the target third party application, storing application data of the target third application in a first storage space in a memory in the display apparatus; receiving a display command for displaying an icon of the target third party application on a second application display page; in response to the display command, moving the application data of the target party application from the first storage space to a second storage space in the memory and display the icon of the target third party application on the second application display page.

Abstract: An amphiphilic imiquimod-grafted lauryl ?-polyglutamate is prepared by adopting a method comprising the following steps: (1) dispersing ?-polyglutamic acid in an aprotic solvent in an anhydrous atmosphere, then adding a catalyst N,N-dimethylformamide, adding dropwise a chlorinating agent under stirring, and keep reaction of the mixture for 10-40 hours; (2) adding imiquimod, liposoluble alcohol and an acid-binding agent into the solution obtained in the step (1) after reaction, and reacting for 42-54 hours; and (3) after purification, obtaining an amphiphilic imiquimod-grafted lauryl ?-polyglutamate material.

Abstract: A battery cell, a battery and an electricity consuming apparatus are provided. The battery cell includes a cap assembly and an electrode assembly, the cap assembly includes a cap plate and an isolation member, and the isolation member is disposed on one side of the cap plate; the electrode assembly is disposed on a side of the isolation member facing away from the cap plate, the electrode assembly includes an electrode body and tabs protruding from the electrode body, and a protrusion connected with the electrode body is connected on a peripheral side of at least one of the tabs; wherein a clearance groove is provided on a surface of the isolation member facing away from the cap plate, and is configured to accommodate at least a portion of the protrusion.

Abstract: A top cap assembly includes a top cap plate, a mounting piece, and a protection film. The top cap plate includes an inner side and an outer side disposed opposite to each other along a thickness direction of the top cap plate, the inner side and the outer side are spaced apart from each other to form a receptacle in between, and the receptacle communicates with an outside space. The mounting piece is disposed protrusively in the receptacle and comprising a fixed end and a free end disposed opposite to each other. The fixed end is disposed on a wall of the receptacle, and the free end extends along the thickness direction of the top cap plate and is spaced apart from the wall of the receptacle to form a threading clearance. One end of the protection film is attached to the mounting piece through the threading clearance.

Abstract: The present application provides a display device, comprising: a display; a user interface; and a controller, configured to: control the display to display a user interface in response to user input for indicating displaying a plurality of items, the user interface comprising a plurality of items, the plurality of items being arranged in an equal-width and unequal-height mode, and the user interface further comprising a selector for indicating that a item is selected.

Abstract: The embodiments of the present application provide an electrolyte solution and a lithium-ion battery comprising the same. The electrolyte solution includes a solvent, a lithium salt and a first additive, and the first additive has a molecular formula of wherein R is at least one of an H element, a halogen element or an alkyl group having 1 to 3 carbon atoms. The electrolyte solution provided in the embodiments of the present application has the advantages of having a long shelf life, avoiding the problem of the performance decline of lithium-ion batteries due to deterioration of electrolyte solutions, being capable of inhibiting an increase of internal resistance of the lithium-ion batteries in low-temperature cycles, and improving the performance of the lithium-ion batteries.

Abstract: The disclosure provides a display apparatus and a communication connection method. The display apparatus includes: a display; a communicator, configured to receive information input from the terminal device; and a controller, in connection with the display and communicator and configured to: while the display apparatus is in communication connection with the terminal device, send network information of the display apparatus to the terminal device in response to change of device information of the display apparatus, so that the terminal device generates a request for obtaining device information according to the network information, wherein the request for obtaining the device information is configured to obtain changed device information of the display apparatus; and in response to the request for obtaining the device information sent from the terminal device, send the changed device information to the terminal device, and re-establish the communication connection with the terminal device.

Abstract: The present disclosure provides a lithium-ion battery, the lithium-ion battery comprises a positive electrode plate, a negative electrode plate, a separator and an electrolyte, the positive active material comprises a layered lithium-containing compound, the negative active material comprises graphite, the positive film and the negative film satisfy a relationship 0.3?(OIc×PDc)/(OIa×PDa)?20.0. The present disclosure can make the lithium-ion battery have smaller swelling and higher charging capability, and also make the lithium-ion battery have excellent cycle life and excellent safety performance during the long-term fast charging process.

Abstract: The present application provides a method and a device for charging a secondary battery, a computer storage medium and electronic equipment. The charging method includes steps of: sending first charge information to a charging source by a battery management system, the first charge information includes a first charge power; performing a constant-power charging on the secondary battery by the charging source according to the first charge power; sending a plurality of pulse discharge information to the charging source by the BMS when a battery status parameter reaches a first predetermined value, each pulse discharge information includes a discharge power and a discharge duration; and performing multiple constant-power pulse discharges on the secondary battery by the charging source according to the discharge power and the discharge duration in the plurality of pulse discharge information.

Abstract: Disclosed are a ternary single crystal positive electrode material, a preparation method therefor and use thereof. The preparation method comprises the following steps: mixing a ternary polycrystalline micropowder, raising a temperature, carrying out a primary sintering, and lowering the temperature to obtain an intermediate; subjecting the intermediate to jet pulverization to obtain a single crystal material, washing the single crystal material with water, and centrifugally drying the single crystal material to obtain a material with a residual alkali content of less than 1500 ppm; and adding a coating agent to the material, raising a temperature, carrying out a secondary sintering, and lowering the temperature to obtain the ternary single crystal positive electrode material. In the present disclosure, by using a jet pulverization device to open a polycrystalline material to form small single crystal particles, the electrochemical performance and the energy density of the material is improved.

Abstract: Disclosed is a method for task planning of a space information network based on resource interchange. The method includes: initializing basic parameters of the space information network; dividing a planning horizon into K time slots of equal length, and constructing a resource time-varying graph for the space information network; sampling a feasible resource combination space of each task, and obtaining a candidate resource combination set comprised of the resource combinations with independence greater than or equal to a threshold n; calculating a conflict relation between resource combinations, and constructing a resource combination conflict graph; obtaining a maximum independent set of the resource combination conflict graph to obtain a global planning result; and searching a neighborhood of the global planning result, and completing a local adjustment of a task planning scheme through the resource interchange, to complete the task planning based on characteristics of the resource interchange.

Abstract: A battery cell includes a case having an opening and an end cover configured to cover the opening. The end cover comprises an end cover body and a support body. The end cover body is configured to be welded and fixed to the case. The support body is disposed on a bottom surface of the end cover body and is disposed along an edge of the end cover body in a circumferential direction. The support body is configured to abut against an inner side surface of the case.

Abstract: A negative electrode plate may comprise a negative electrode current collector and a negative electrode film layer provided on at least one surface of the negative electrode current collector; the negative electrode film layer may comprise a first region and a second region along the width direction, the first region may not comprise a solid electrolyte, while the second region may comprise a solid electrolyte.