73results about How to "Easy to move out" patented technology

The invention discloses a preparation method of nanometer lithium titanate (Li4Ti5O12) / Ag composite lithium-ion negative electrode materials. The Ag doping modification is simultaneously carried out on the nanometer Li4Ti5O12. The chemical ingredients and the grain diameters of the Li4Ti5O12 are effectively controlled through hydrothermal treatment, the temperature during the subsequent treatment is greatly shortened, the grain agglomeration is prevented, and the industrial implementation is easier. In the preparation process, the Ag is doped, the conductivity of the materials is greatly improved, and meanwhile, the high-power charging and discharging performance and the cyclic times of the materials are effectively improved. The high-power specific capacity of the prepared materials is high, and the materials can be used for batteries required by various kinds of portable electronic equipment and various electric vehicles.

The present invention relates to the technical field of battery materials, particularly to a titanium nitride coated lithium titanate material preparation method, which sequentially comprises: preparing a precursor solution, evaporating a solvent, sintering in an atmosphere containing oxygen, and sintering in an atmosphere containing reduction gas nitrogen. According to the present invention, the titanium nitride coated lithium titanate material prepared by using the preparation method has characteristics of high titanium nitride coating uniformity, good coating effect and good conductivity, and the conductivity problem of application of titanium nitride in electrode materials is solved; and titanium nitride is adopted to separate tetravalent titanium ions and an electrolyte, such that catalysis cracking of the electrolyte by the tetravalent titanium ions can be effectively prevented so as to prevent phenomenon of gas generation. In addition, the preparation process is simple and controllable, and process parameters of the lithium titanate material coated through titanium nitride can be controlled so as to control the coating degree of titanium nitride.

An engaging rack for engagement with a cylindrical banner adapted for mounting on a tire stack. The rack features top and bottom components having a circular perimeter edge substantially the diameter of a tire. At least one elongated member engages between the top component and the bottom component with the resulting rack dimensioned to provide a mount for said cylindrical banner conventionally engaged over stacks of tires. Rollers may be engaged for easy transport and the elongated members may be telescopic to adjust height. The device may be provided in kit form with different diameters for the top and bottom components to adjust the rack for ultimate dimension to accommodate various sized tire stack banners.

The invention relates to a method for producing line copper mother metal of coil, and relative winding machine, which can improve the quality and the efficiency, and coil present line copper mother metal whose diameter is more than 25mm, to improve the operational property. The winding machine continuously winds the line copper mother metal the guided out from the continuous casting machine and compressed extend in the compress extend process. It is characterized in that: it has a cooling reduction groove (10) which can keep the reduction solution that dipping said line copper mother metal; and a winding axle (2) inside said cooling reduction groove (10).

The invention discloses a plain trolley for logistics transportation. The plain trolley comprises a base, locking universal wheels are arranged at the bottom of the base, the middle position of the upper surface of the base is fixedly connected with a mounting block, a mounting groove is formed in the upper surface of the mounting block, an opening of the mounting groove faces upwards, a telescopic mechanism is arranged at the inner bottom of the mounting groove, and a bottom plate is connected to the telescopic mechanism; and the telescopic mechanism comprises a plurality of telescopic rods fixedly mounted at the inner bottom of the mounting groove, the ends, away from the base, of the multiple telescopic rods are all fixedly connected with the bottom of the bottom plate, and a spring isarranged on each telescopic rod in a sleeving mode. According to the plain trolley for logistics transportation, the effects of limiting and disengaging prevention on cargos stacked on the bottom plate can be achieved through a surround formed by the mounting groove formed in the mounting block and two limiting blocking discs, accidental falling-off and rollover of the cargos are avoided when thetrolley passes through a jolting road section, and integrity in the cargo transporting process is ensured.

The invention discloses a method for extracting lithium from seawater by utilizing a lithium adsorbent. The invention in particular relates to the method comprising the following steps: adsorbing thelithium in the seawater by utilizing the lithium adsorbent; then desorbing by adopting a desorption agent to prepare a lithium-enriched solution; carrying out re-concentration, purification and lithium sedimentation on the lithium-enriched solution to obtain lithium carbonate. The technology provided by the invention provides a new raw material source for the production of the lithium carbonate and dependence on minerals and bittern is reduced, so that the production cost is greatly reduced and the technology is suitable for industrialization.

The invention discloses an environmentally-friendly and energy-saving repairing agent for polyester dyeing, and an application thereof. The repairing agent comprises, by weight, 1-4 parts of plant extract, 2-8 parts of fish gelatin proteins, 25-39 parts of modified benzyl benzoate, 8-15 parts of aromatic diol phthalate, 1-3 parts of a nonionic surfactant and 1-3 parts of citric acid. Benzyl benzoate is modified, and then is loaded with copper foam, so the compatibility between the benzyl benzoate and fibers is increased, and the outward movement of a dye in the fibers is effectively promoted;the synergistic effects of the modified benzyl benzoate and fish gelatin proteins promote the uniform distribution of the dye; and the addition of the plant extract reduces the addition of an antibacterial agent and a reducing agent and effectively protects the use field and the service life of the fabric. Additionally, the repairing agent has a strong transferability, and reduces the temperaturerequired by level dyeing, so color spots, color flowers, off color and other problems of clothes are repaired.

The present invention relates to the technical field of battery materials, particularly to a titanium nitride coated lithium titanate material preparation method, which sequentially comprises: preparing a precursor solution, evaporating a solvent, sintering in an atmosphere containing oxygen, and sintering in an atmosphere containing reduction gas nitrogen. According to the present invention, the titanium nitride coated lithium titanate material prepared by using the preparation method has characteristics of high titanium nitride coating uniformity, good coating effect and good conductivity, and the conductivity problem of application of titanium nitride in electrode materials is solved; and titanium nitride is adopted to separate tetravalent titanium ions and an electrolyte, such that catalysis cracking of the electrolyte by the tetravalent titanium ions can be effectively prevented so as to prevent phenomenon of gas generation. In addition, the preparation process is simple and controllable, and process parameters of the lithium titanate material coated through titanium nitride can be controlled so as to control the coating degree of titanium nitride.

The invention relates to a connecting node of a square steel pipe column, an H-shaped steel beam and an L-shaped ribbed plate. The node is simple in structure, convenient to construct and is free of affecting to pour concrete in the square steel pipe column. The connecting node comprises the square steel pipe column, the H-shaped steel beam and the L-shaped ribbed plate, wherein two limbs of the L-shaped ribbed plate are respectively in butted joint with the upper flange and the lower flange of the H-shaped steel beam and connected with a wall plate of the square steel pipe column. The width B of the flange of the H-shaped steel beam 1 is twice the sum of the lengths b1 of the limbs of the L-shaped ribbed plate in butted joint with the H-shaped steel beam 1. The square steel pipe column comprises a cold bending rectangular square steel pipe column and a hot rolled square column; and the H-shaped steel beam comprises an H-shaped hot rolled steel beam and an H-shaped welded steel beam. The connecting node of the square steel pipe column, the H-shaped steel beam and the L-shaped ribbed plate in the invention adopts a measure of additionally arranging stiffening ribs outside to replace inner partition plates, and the L-shaped ribbed plate can transfer tension and pressure of the flanges of the beam to the wall of the square steel pipe column, so that the deformation outside a plane of the node is increased. Meanwhile, the problem of construction difficulty in installing the inner partition plates can also be avoided.

The invention discloses a carbon nano tube / graphene composite negative pole material, a preparation method thereof and a lithium battery. The preparation method of the carbon nano tube / graphene composite negative pole material comprises the steps of placing graphene powder and a catalyst for carbon source splitting decomposition in a microwave reaction cavity, vacuumizing the microwave reaction cavity and leading protective gas into the microwave reaction cavity and using a microwave vapor deposition method to prepare the carbon nano tube / graphene composite negative pole material on a graphene base body growing carbon nano tube. A negative pole of the lithium battery contains the carbon nano tube / graphene composite negative pole material. The preparation method of the carbon nano tube / graphene composite negative pole material adopts the microwave vapor deposition method to perform in-situ preparation of the carbon nano tube / graphene composite negative pole material, does not needs a pre-synthesis process, reduces the production cost, adopts microwave heating and is efficient, low in energy consumption and short in production period. Due to the fact that the lithium battery contains the carbon nano tube / graphene composite negative pole material, embedding and taking-out of lithium are facilitated, the inreversible capacity of first-time charging and discharging is reduced, and the lithium battery is good in safety and high in power.

A transport arrangement (100) for a building (200) comprises: a first and a second elongate transport rail (10, 11) arranged parallel with each other and comprising a respective first and second pivotal rail segment (20, 21) and a respective first and second fixed rail segment (30, 31); and a container (50) comprising a first and a second pair of rolls (60, 61; 70, 71) for guiding the container (50) along the first and second transport rail (10,11). The transport arrangement is characterized in that the first and second pair of rolls (60, 61; 70, 71) are configured such that the first and thesecond pivotal rail segment (20, 21), when extending between a respective first and a second pair of rolls (60, 61; 70, 71), is pivotable between a first position (A) in which the first and the secondpivotal rail segment (20, 21) is aligned with the first and second fixed rail (10, 11) segment and a second position (B) in which the first and the second pivotal rail segment (20, 21) is orthogonalto the first and second fixed rail segment (30, 31).

A water-cooling heat pump type air conditioner comprises a housing (1) and a plurality of water-cooling heat pump units (2) which is opposite to the housing (1) and can be taken out or received freely. The water-cooling heat pump units (2) at least comprises a plurality of compressors (3), an air heat exchanger (4) and a water heat exchanger (5) for a plurality of compressors (3), a decompressor, and a frame (7) for arranging the parts. The compressors (3) arranged on the air entrance of the air heat exchanger (4) are arranged up-and-down separated. The thermal source water passageway of the water heat exchanger (5) can connect or separate freely with enter pipe (10) and discharge pipe (11) of the thermal source water arranged in the housing (1).

The invention discloses a preparation method for a nanoscale lithium titanate material with high specific capacity. The preparation method comprises the following steps: (1) preparing a liquid A; (2) preparing a liquid B; (3) under a condition of magnetic stirring, slowly adding the liquid B into the liquid A, so as to obtain a mixed dispersion liquid; (4) putting the mixed dispersion liquid into a high-temperature reaction still, then placing the high-temperature reaction still in a drying oven for reaction, after the reaction, naturally cooling to room temperature, leaching, washing with deionized water and absolute ethyl alcohol, and then drying under a condition that the temperature is 60-120 DEG C so as to obtain a precursor; (5) sintering the precursor for 1-5 hours in anitrogen atmosphere under a condition that the temperature is between 400-1000 DEG C, so as to obtain the nanoscale lithium titanate material; (6) immersing the nanoscale lithium titanate material in an acid solution with the hydrogen ion concentration of 0.01-14mol / L under a condition that the temperature is 20-200 DEG C, then leaching, washing with deionized water and absolute ethyl alcohol, and then drying, so as to obtain the nanoscale lithium titanate material with high specific capacity.