Abstract: A secondary battery includes an electrode assembly, a packaging bag, and an insulation adhesive. The packaging bag includes a main portion and a first side seal edge. The main portion accommodates the electrode assembly, and includes a first sidewall and a second sidewall disposed along a thickness direction of the secondary battery. The first side seal edge includes a first connecting portion and a second connecting portion disposed in sequence. The first connecting portion is connected to the main portion. The second connecting portion is bent toward the main portion relative to the first connecting portion. An angle ? is formed between the first connecting portion and the first sidewall, satisfying: 0°<?<90°. A thickness of the main portion is less than a width of the first connecting portion. The insulation adhesive covers one end, facing the main portion, of the second connecting portion.

Abstract: The present disclosure provides a nano slurry and a preparation method thereof, a battery separator and a manufacturing method thereof, and a battery. The nano slurry includes a dispersion medium, a ceramic material, a one-dimensional nanomaterial, a linear hydrophilic polymer and an adhesive, where a mass ratio of the one-dimensional nanomaterial to the ceramic material is in a range of 0.01% to 20%, and a particle diameter of the ceramic material are in a range of 5 nm to 500 nm.

Abstract: The present application provides a coated separator, a preparation method for coated separator, and a battery. The coated separator includes a base film and a coating layer structure arranged on the base film; the coating layer structure includes multiple material layers and includes one-dimensional nanomaterials and ceramic particles; and an average length of the one-dimensional nanomaterials in each material layer decreases layer by layer in a direction away from the base film.

Abstract: The present disclosure provides a coating for battery separator, a preparation method thereof, a battery separator and a battery, where a coating slurry of the coating for the battery separator includes a dispersion medium, a nanomaterial, and a polymer containing polar functional groups; the coating has a surface pore size of 10 nm-30 nm, and a surface roughness of 200 nm-500 nm, and the coating has a hydroxyl content of 100 mg KOH/g-4000 mg KOH/g. The coating for battery separator, the preparation method thereof, the battery separator and the battery can solve a problem of deformation of battery separators due to the induction of electrolyte solutions.

Abstract: A coating slurry for a battery separator includes an organic polymer, a solvent, and a photoinitiator. A coated separator prepared with the coating slurry, and a preparation method of the coated separator are also provided. The preparation method of the coated separator includes: coating the coating slurry on at least one surface of a substrate, and irradiating a coated substrate under ultraviolet (UV) light with a set energy and wavelength to allow UV crosslinking to obtain the coated separator.

Abstract: The present disclosure provides a battery, a separator for a battery and a method for preparing the separator, where the separator for a battery includes a base film and a coating structure disposed on the base film, the coating structure includes a plurality of material layers, and each material layer contains one-dimensional nanomaterials, and average lengths of one-dimensional nanomaterials in respective material layers are decreased layer by layer in a direction away from the base film.

Abstract: Embodiments of the present disclosure provide a flow guide plate, a lower electrode assembly for a dry etching apparatus, and a dry etching apparatus. The flow guide plate includes a body and a gas flow passage which is formed in the body and through which a gas flow passes. At least a portion of the gas flow passage is located between a first position and a second position of the body, and a passage area per unit length of at least the portion of the gas flow passage is gradually increased in a direction from the first position to the second position.

Abstract: A fabrication method of a pixel structure is provided. The fabrication method includes: forming a gate electrode, a gate insulating layer, an active layer, a pixel electrode layer and a source-drain electrode layer on a substrate, and etching the source-drain electrode layer by using a photoresist pattern to form a source electrode and a drain electrode; ashing the photoresist pattern, so as to align edges of the ashed photoresist pattern with edges of the source electrode and the drain electrode; etching a silicon oxide generated in ashing the photoresist pattern; and etching a semiconductor layer between the source electrode and the drain electrode by an etching process to form a channel. The fabrication method can remove indium-containing material remained on both sides of a source electrode and a drain electrode, and can resolve a problem that a width of a channel between the source electrode and the drain electrode is small.

Abstract: A fabrication method of a pixel structure is provided. The fabrication method includes: forming a gate electrode, a gate insulating layer, an active layer, a pixel electrode layer and a source-drain electrode layer on a substrate, and etching the source-drain electrode layer by using a photoresist pattern to form a source electrode and a drain electrode; ashing the photoresist pattern, so as to align edges of the ashed photoresist pattern with edges of the source electrode and the drain electrode; etching a silicon oxide generated in ashing the photoresist pattern; and etching a semiconductor layer between the source electrode and the drain electrode by an etching process to form a channel. The fabrication method can remove indium-containing material remained on both sides of a source electrode and a drain electrode, and can resolve a problem that a width of a channel between the source electrode and the drain electrode is small.