65results about How to "Efficient passivation" patented technology

An electrolyte for a lithium ion secondary battery and a lithium ion secondary battery including the same are provide. The electrolyte includes a non-aqueous organic solvent, a lithium salt which is dissolved in the non-aqueous solvent and a additive shown as general formula I. Wherein R1, R2 and R3 are each independently selected from H, alkyl group including from 1 to 12 carbon atoms, cycloalkyl group including from 3 to 8 carbon atoms and aromatic group including 6 to 12 carbon atoms; n represents an integer from 0 to 7. This additive in electrolyte can passivate cathode and anode effectively, restrain their reaction with electrolyte, reduce gases generation and battery's expansion in high temperature surrounding, provide as safety lithium ion secondary batteries.

CMP (chemical / mechanical polishing) slurries that can rapidly remove a target layer and can effectively passivate a polishing stopper, with high selectivity. In one aspect, a CMP slurry comprises metal oxide abrasive particles, a removal rate accelerator, an anionic polymeric passivation agent having a molecular weight in a range of about 1,000 to about 100,000, a C1-C12 anionic passivation agent, and water.

A bioactive catalytic material is disclosed for providing protection from chemical exposure. The material is composed of enzymes immobilized within polyelectrolyte multilayers and a polymerizable end-capping layer to render stability to enzymes. Also disclosed is the related method for making a bioactive catalytic material and their deposition on substrates of varying size, shape and flexibility for providing active protection from chemical exposure.

An image sensor, in which, a planarized layer is formed on a semiconductor substrate including a pixel array region, an optical black region, and a logic region to cover a photo sensing unit array in the pixel array region, a patterned metal layer is formed on the planarized layer corresponding to the pixel array region and the logic region, but not the optical black region. An optical black layer is formed in the optical black region after a passivation layer is formed and before a color filter array is formed at a temperature less than about 400° C., and preferably contains metal material.

The invention belongs to the technical field of solar cells, provides a perovskite / silicon laminated solar cell and a preparation method thereof, and aims to solve the problems that synchronous passivation of multiple types of defects cannot be realized by perovskite material interface passivation in the prior art, the suppression efficiency of carrier interface recombination is low and the like. An organic ionic modifier passivation layer is introduced between a perovskite light absorption layer and a hole transport layer of the perovskite / silicon laminated cell, so that synchronous and efficient passivation of multiple types of defects of an interface is realized, and the defect state density is remarkably reduced; and meanwhile, lattice mismatch at the interface is effectively prevented, and the defect passivation effect is further optimized. In conclusion, the perovskite / silicon laminated solar cell has lower defect state density and higher short-circuit current density and open-circuit voltage, and the overall performance of the perovskite / silicon laminated solar cell is remarkably improved; and moreover, the organic ionic modifier passivation layer is mature in synthesis process and low in price, and has the advantages of high efficiency, stability and low cost.

The invention relates to the use of nonpassivated silicon to produce hydrogen, by hydrolysis of the nonpassivated silicon. In particular, the invention relates to a composition comprising nonpassivated silicon, a process for producing a composition comprising nonpassivated silicon, and a process for producing hydrogen by reacting the composition with water.

The invention discloses a composite material for treating heavy metal-organic pollution, and a preparation method and application thereof, and relates to the technical field of environmental treatment. The composite material for treating heavy metal-organic pollution comprises a silver phosphate-titanium dioxide composite material and a zero-valent iron composite material, wherein the zero-valentiron composite material is formed by loading zero-valent iron on an adsorption substrate. The preparation method comprises the following steps: carrying out wrapping formation on the silver phosphate-titanium dioxide composite material and the zero-valent iron composite material in a form of layering the substrate. The composite material provided by the invention can be used for simultaneously andefficiently passivating heavy metals and degrading organic matters, can be continuously and stably repaired, and can be applied to a water body or soil remediation process.

The invention relates to the technical field of cold roller manufacturing, and discloses a surface passivation system for prolonging service life of EDT roughened cold rollers. The system comprises rotary driving equipment and a pulse electrochemical burr removing device; the pulse electrochemical burr removing device comprises a pulse power supply, a tool electrode and an electric brush; the electric brush is contacted with outer circle surfaces of cold rollers; the head part of the tool electrode is near roughened outer circle surfaces of the cold rollers; a gap for enabling electrolyte to pass through is formed between the head part of the tool electrode and the roughened outer circle surfaces of the cold rollers; an electrolyte nozzle with a spout aligned to the gap is arranged above the gap; the electrolyte nozzle is connected to an electrolyte box through a pump and a pipeline; an electrolyte collecting tank for collecting electrolyte is arranged under the roughened outer circlesof the cold rollers; and the electrolyte collecting tank is connected with the electrolyte box. The system prolongs the service life of the EDT roughened cold rollers, improves the quality of rolledparts, and reduces the roller change efficiency.

The invention relates to the use of nonpassivated silicon to produce hydrogen, by hydrolysis of the nonpassivated silicon. In particular, the invention relates to a composition comprising nonpassivated silicon, a process for producing a composition comprising nonpassivated silicon, and a process for producing hydrogen by reacting the composition with water.

Catalytic enzyme-modified textiles are disclosed for providing protection from chemical exposure. The textiles are composed of a cloth substrate, at least one polyelectrolyte layer, at least one enzyme layer to degrade the chemical agent, and at least one capping layer. Also disclosed is the related method for making catalytic enzyme-modified textiles.

Catalytic enzyme-modified textiles are disclosed for providing protection from chemical exposure. The textiles are composed of a cloth substrate, at least one polyelectrolyte layer, at least one enzyme layer to degrade the chemical agent, and at least one capping layer. Also disclosed is the related method for making catalytic enzyme-modified textiles.

The invention discloses a coating process, and particularly provides a profile fluorocarbon coating process. The profile fluorocarbon coating process aims at solving the problems that in the prior art, the thickness of a fluorocarbon coating is not uniform, and due to the fact that the coating is too thick, the texture is cheap, the adhesive force of the coating is insufficient, and the coating isprone to peel. The profile fluorocarbon coating process includes the following steps of (1), polishing; (2), alkaline etching; (3), washing; (4), passivating; (5), primer spraying, wherein epoxy zincrich primer is sprayed twice by an airless sprayer, the thickness of the epoxy zinc rich primer sprayed each time is 8 micrometers, and the spraying interval is 2.5 h; (6), finish paint spraying, wherein embroidery fluorocarbon paint is sprayed twice by a high-voltage static spray gun, the spraying interval is 24 h, surface drying is carried out after the embroidery fluorocarbon paint is sprayed,the surface drying time ranges from 38 h to 48 h, and the thickness of a fluorocarbon embroidery paint dry film formed after surface drying ranges from 40 micrometers to 50 micrometers; and (7), lustering. The paint thickness can meet the beautifying effect of profiles, the paint is not too thick, meanwhile the profiles can be protected sufficiently, and the texture is shown better.

Solder balls of semiconductor devices and, in particular, lead-free solder balls receive a very uniform passivation layer, for instance in the form of an oxide layer, which is formed by applying a plasma treatment. For example, the passivation layer may be provided with a thickness of 5-50 nm which may thus allow, due to the superior uniformity, a reliable protection of the solder balls while nevertheless ensuring a reliable removal during the final solder process.

The invention relates to the technical field of rolling roll manufacturing, and discloses a manufacturing process for a cold-rolling roll. The manufacturing process for the cold-rolling roll sequentially comprises the procedures of ingot casting, forging, heat treatment after forging, rough turning machining, quenching and tempering treatment, finish turning machining, surface quenching, cold treatment, low-temperature tempering, accurate grinding machining, surface texturing, and electrochemical passivation, wherein in the procedure of surface quenching, double-frequency quenching treatment is carried out on the working surface of the cold-rolling roll through a double-frequency quenching machine tool; in the procedure of surface texturing, texturing treatment is carried out on the working surface of the cold-rolling roll through an EDT electric spark texturing machine tool; and in the procedure of electrochemical passivation, deburring passivation treatment is carried out on microcosmic tip parts on the working surface of the cold-rolling roll through pulse electrochemical deburring equipment. According to the manufacturing process for the cold-rolling roll, the service life of the EDT textured cold-rolling roll is prolonged, the quality of a rolled part is improved, and the roll changing frequency is reduced.

The embodiments of the present invention provide a Ge-based NMOS device structure and a method for fabricating the same. By using the method, double dielectric layers of germanium oxide (GeO2) and metal oxide are deposited between the source / drain region and the substrate. The present invention not only reduces the electron Schottky barrier height of metal / Ge contact, but also improves the current switching ratio of the Ge-based Schottky and therefore, it will improve the performance of the Ge-based Schottky NMOS transistor. In addition, the fabrication process is very easy and completely compatible with the silicon CMOS process. As compared with conventional fabrication method, the Ge-based NMOS device structure and the fabrication method in the present invention can easily and effectively improve the performance of the Ge-based Schottky NMOS transistor.