Abstract: The present disclosure relates to display devices and imaging control methods of a display device. One example display device includes a display, a lens assembly, a driver, and a controller. The controller is configured to convert a first image into n consecutive second images, and generate a drive signal used to control the driver to move, where an image resolution of the second image is less than an image resolution of the first image, a refresh rate of the second image is greater than a refresh rate of the first image, and n?2. The driver is configured to drive, under control of the drive signal, at least one optical element or the display connected to the driver to move to adjust a display location of the second image displayed by the display, so that the n consecutive second images are displayed at n different locations.

Abstract: Provided are a non-aqueous electrolyte and a preparation method thereof, and a secondary battery and an electric apparatus containing the same. The non-aqueous electrolyte contains a non-aqueous solvent and lithium ions, first cations, and first anions dissolved therein, where the first cation is a metal cation Men+ other than the lithium ion, n representing a chemical valence of the metal cation; the first anion is a difluoroxalate borate anion DFOB; mass concentration of the first cations in the non-aqueous electrolyte is D1 ppm, and mass concentration of the first anions in the non-aqueous electrolyte is D2 ppm, both based on total mass of the non-aqueous electrolyte; and the non-aqueous electrolyte satisfies that D1 is 0.5 to 870 and that D1/D2 is 0.02 to 2. The non-aqueous electrolyte in this application enables the secondary battery to have good cycling performance, safety performance, and kinetic performance.

Abstract: A lithium-ion battery includes a positive electrode and an electrolyte. A positive electrode active material included in the positive electrode includes a doping element. The doping element includes at least one selected from W, Cu, Fe, V, Cr, Ti, Zr, Zn, Al, In, Ta, Y, La, Sr, Ga, Sc, Gd, Sm, Ca, Ce, Nb, Mg, B, and Mo, and a percentage of the doping element satisfies 0.01%?W1%?0.5%. The electrolyte includes an oligomer according to formula (I), and a percentage of the oligomer satisfies 0.1%?W2?10% s.

Abstract: A lithium secondary battery and an electric device. The lithium secondary battery comprises an electrolyte and a negative electrode sheet, wherein the electrolyte comprises a chain carboxylic ester and a cyclic carbonate, and the negative electrode sheet comprises a negative electrode current collector and a negative electrode film layer located on at least one side of the negative electrode current collector. Based on the total mass of the electrolyte, the mass content W1 of the chain carboxylic ester and the mass content W2 of the cyclic carbonate satisfy: 0.1?W2/W1?2, and the mass content W1 of the chain carboxylic ester and the thickness H of the negative electrode film layer satisfy: 0.2?H/100W1?20, with the unit of H being ?m.

Abstract: This application relates to a lithium-ion secondary battery. A positive electrode plate of the lithium-ion secondary battery includes a positive electrode active substance LiNixCoyNzM1-x-y-zO2, with N selected from Mn and Al, and M selected from any one of Co, Ni, Mn, Mg, Cu, Zn, Al, Sn, B, Ga, Cr, Sr, V, and Ti, where 0.5?x<1, 0?y?1, 0?z?1, and x+y+z?1; and an electrolyte of the lithium-ion secondary battery contains a specified amount of compounds represented by formula (1), formula (2), and formula (3). The lithium-ion secondary battery of this application has both high energy density and high thermal stability. This application further relates to a battery module containing the lithium-ion secondary battery, a battery pack, and an electric apparatus.

Abstract: The present application discloses an electrolyte solution for a lithium secondary battery, a secondary battery, and an electrical device. The electrolyte solution for a lithium secondary battery includes a sulfate and fluorosulfonate ions, and a molar ratio of the sulfate to the fluorosulfonate ions is (8-223):1.

Abstract: A secondary battery and an electrical apparatus are described. The secondary battery of the present application comprises an electrolyte solution; the electrolyte solution comprises a solvent and an additive; the solvent comprises ethylene carbonate; the additive comprises 1,3-propane sultone and fluoroethylene carbonate; the percentage mass content of the ethylene carbonate in the electrolyte solution is x %, the percentage mass content of the 1,3-propane sultone in the electrolyte solution is y %, and the percentage mass content of the fluoroethylene carbonate in the electrolyte solution is z %; and the x, the y, and the z satisfy: 10?x/y?950 and 2?x/z?10.

Abstract: A lithium-ion secondary battery and an electric apparatus are provided. The lithium-ion secondary battery includes an electrolyte. The electrolyte includes alkali metal ions having an ionic radius greater than a radius of lithium ions and a film-forming additive. Based on a total mass of the electrolyte, a mass percentage A of the alkali metal ions and a mass percentage B of the additive satisfy 0.10?B/A?6×104.

Abstract: A lithium secondary battery and an electrical apparatus. The lithium secondary battery includes a positive electrode plate and an electrolyte solution, where the positive electrode plate includes a positive electrode active material layer containing a positive electrode active material, and the positive electrode active material includes at least one doping element selected from aluminum, zirconium, boron, magnesium, zinc, calcium and titanium; the electrolyte solution includes a silane-based first additive containing C2-C8 alkenyl and a second additive, and the second additive is selected from at least one of lithium fluorosulfonate, lithium bis(fluorosulfonyl)imide and lithium tetrafluoroborate; and the ratio of the mass percentage content W1 of the first additive in the electrolyte solution to the mass percentage content W2 of the second additive in the electrolyte solution to the mass percentage content W3 of the doping element in the positive electrode active material satisfies 1:(0.2-2):(0.1-0.5).

Abstract: Provided are a non-aqueous electrolyte and a preparation method thereof, and a secondary battery and an electric apparatus containing the same. The non-aqueous electrolyte contains a non-aqueous solvent and lithium ions, first cations, and first anions dissolved therein, where the first cation is a metal cation Men+ other than the lithium ion, n representing a chemical valence of the metal cation; the first anion is a difluorooxalate borate anion DFOB?; mass concentration of the first cations in the non-aqueous electrolyte is D1 ppm, and mass concentration of the first anions in the non-aqueous electrolyte is D2 ppm, both based on total mass of the non-aqueous electrolyte; and the non-aqueous electrolyte satisfies that D1 is 0.5 to 870 and that D1/D2 is 0.02 to 2. The non-aqueous electrolyte in this application enables the secondary battery to have good cycling performance, safety performance, and kinetic performance.

Abstract: An electrolyte, a lithium secondary battery, and an electric apparatus. The electrolyte includes additives, where the additives include a first additive containing a trimethylsilyl group, a second additive containing lithium ions, and a third additive containing an ester group. The lithium secondary battery includes a positive electrode, a negative electrode, and the electrolyte. The electric apparatus includes the lithium secondary battery.

Abstract: This application provides a display device and a pixel calibration method therefor, and relates to the field of display technologies. When an automatic calibration function is enabled, and a preset automatic calibration condition is met, a pixel calibration strategy corresponding to a temperature range within which a current temperature of a display module falls is found from a correspondence between a temperature range and a pixel calibration strategy. A to-be-calibrated display panel is found according to the pixel calibration strategy. A pixel that is used to emit light on the to-be-calibrated display panel is determined. Even if pixels that are used to emit light on display panels are misaligned because expansion degrees of the display panels are different, the pixels that are used to emit the light on the display panels can still be one-to-one aligned through calibration.

Abstract: The present application discloses an electrolyte solution, a battery and an electrical device. The electrolyte solution includes a first additive, a second additive and a third additive. The first additive includes a sulfate ester compound. The second additive includes: where Z1-Z4 each independently include an oxygen atom or a sulfur atom. The third additive includes at least one of fluorosulfonate, tetrafluoroborate, difluorophosphate, difluoro(oxalato)borate, bis(oxalato)borate and difluorobis(oxalato)phosphate. Based on the total mass of the electrolyte solution, content W1 of the first additive, content W2 of the second additive and content W3 of the third additive satisfy W1:W2:W3=1:(0.1-1.5):(0.02-2.5).

Abstract: An electrolyte solution, a battery cell comprising same, a battery and an electric device. The electrolyte solution comprises: a first additive, which comprises an isocyanate compound as represented by formula (I), wherein R comprises at least one of a hydrogen atom, a halogen atom, a nitrogen-containing group, an oxygen-containing group, a sulfur-containing group, a phosphorus-containing group, an alkyl group, a cycloalkyl group, a phenyl group, an aryl group, a halophenyl group, and an alkyl, cycloalkyl, phenyl, aryl or halophenyl group containing at least one isocyanate radical, and the value of n is any natural number of 0-8; and a lithium salt, which comprises lithium difluorosulfonimide, the weight content of the lithium difluorosulfonimide in the lithium salt being 30%-85% based on the total weight of the lithium salt.

Abstract: The present application discloses an electrolyte for a lithium secondary battery, a secondary battery, and an electric device. The electrolyte for a lithium secondary battery includes a sulfate ester and difluorophosphate ions, a molar ratio of the sulfate ester to the difluorophosphate ions is (0.2 to 30):1, and a molar concentration of the sulfate ester is 0.04 mol/L to 0.16 mol/L.

Abstract: The present application provides an electrolytic solution, a secondary battery, and a power consumption apparatus. The electrolytic solution may include a solvent and an additive; the solvent may include a compound of formula I, and a mass percentage of the compound of formula I in the solvent may be 35% or more; in formula I, R1 and R2 are each independently selected from any one of a hydrogen atom, a C1-C3 chain alkyl group, and a C2-C3 alkenyl group; and the additive may include a compound of formula II, and in formula II, R3, R4, and R5 are each independently selected from any one of a hydrogen atom, a fluorine atom, a phenyl group, a cyano group, a C1-C6 chain alkyl group, a C3-C6 cyclic alkyl group, and a C2-C6 alkenyl group.

Abstract: An electrolyte, a secondary battery, and an electrical apparatus. The electrolyte includes a first additive, a second additive, and a third additive. The first additive comprises an element-containing inorganic salt; the second additive comprises an unsaturated bond-containing compound, the reduction potential of the unsaturated bond-containing compound being greater than or equal to 0.8V(Li+/Li); and the third additive comprises an amide group-containing compound.

Abstract: A secondary battery and an electrical device are disclosed, which relate to the field of batteries. The secondary battery includes a negative electrode active material and an electrolyte solution. A mass percentage of a silicon-containing substance in the negative electrode active material is W1%, the electrolyte solution includes fluorinated cyclic carbonate, a mass percentage of the fluorinated cyclic carbonate in the electrolyte solution is W2%, and 0.1W1?W2?0.7W1.

Abstract: The present application provides a secondary battery and an electrical apparatus. The secondary battery comprises a battery case having an accommodating cavity, a cell assembly disposed in the accommodating cavity, and an electrolyte containing a first additive, the first additive comprising a sulphate compound; wherein a ratio W/R of a mass percentage W of the sulphate compound to a residual space R is within a range of 0.03% to 40% based on the total mass of the electrolyte, which enables the secondary battery to achieve a balance between service life and energy density.

Abstract: Provided are a battery cell, a battery, and a power consuming device. The battery cell includes: an electrode assembly, where the electrode assembly includes a positive electrode plate and a negative electrode plate; and an electrolyte solution, where the electrolyte solution includes a first electrolyte salt, and a molecular formula of the first electrolyte salt is: where R1 is one of Li, Na, K, Mg, and Al, R2 is at least one of element O, element S, element F, and C1-C3 alkyl or C1-C3 alkyl substituted with element F, and based on 100 parts by weight of the electrolyte solution, content W1 of the first electrolyte salt ranges from 2 parts by weight to 20 parts by weight. According to the technical solution of this application, energy density and safety performance of the battery can be improved.