237results about How to "Stop shedding" patented technology

This invention provides a CIS-based thin film solar battery and a process for producing the same in which the formation of an alkali barrier layer and a metal backside electrode layer is carried out at a low cost in a short time to prevent such an unfavorable phenomenon that a light absorbing layer is separated from the interface of the light absorbing layer and the metal backside electrode layer. The CIS-based thin film solar battery (1) comprises a glass substrate (2), an alkali-free layer (7) such as silica, a metal backside electrode layer (3) having a laminate structure, a p-type CIS-based light absorbing layer (4), a high-resistance buffer layer (5), and an n-type window layer (6) stacked in that order. The layer (7), either alone or together with a first layer (3a) in the layer (3), can function as an alkali barrier layer (8) that can prevent and control the thermal diffusion of an alkali component into the light absorbing layer during the formation of the layer (4) from the substrate (2). In the layer (3a), crystal grains are fine and has high density. After the formation of the layer (7) on the substrate by RF or DC sputtering, the layer (3)is continuously formed on the layer (7) by DC sputtering.

The fuel pump 1010 is installed in a fuel tank for a motorcycle. The fuel pump 1010 comprises a motor 1012 and a pump 1013 driven by the motor 1012 for pressurizing sucked fuel. The motor 1012 is a brushless motor, and has a stator 1020, coils 1024 and a rotor 1030. Current-passage to the coils 1024 wound around the stator core 1020 is controlled on the basis of a rotational position of the rotor, and thereby the rotor 1030 is rotated. The rotor 1030 has a shaft 1032, a rotary core 1034, and a permanent magnet 1036. The rotor 1030 is rotatably mounted on the inner circumstance of the stator core 1020. The permanent magnet 1036 is mounted on the outer circumference of the rotary core 1034, and magnetized so as to form magnetic poles different alternately in the rotation direction on the side of the outer circumferential surface facing to the stator core 1020.

The invention relates to a method for preparing a polyaniline / sulfur / graphene composite material. The method comprises the following steps: taking graphene as a carrier, and enabling sodium thiosulfate to react with an organic acid, so that the sulfur particles are loaded to the surface of the graphene; and performing aniline polymerization encapsulation, thereby obtaining the polyaniline / sulfur / graphene composite material. The types of organic acids, the molar ratio of the organic acids to sodium thiosulfate, the types of organic solvents and the like are regulated, and the polyaniline / sulfur / graphene composite material which is fine in particles and uniform in encapsulation is obtained. When the composite material is used for the positive pole of a lithium sulfur battery, the composite material has high specific capacity and excellent cycle performance and has excellent application prospects in the field of batteries.

An electrode and a battery using the same are provided to improve cycle properties by reducing damages in the structure of active materials caused by repeated expansion-and-shrinkage upon charge and discharge processes and also reducing the reactivity with electrolyte. The electrode comprises: a current collector comprising at least one selected from Cu, Ni, Ti, Fe and Cr; a layer of an active material mounted on the current collector, which comprises at least on selected from Si and Ge compounds; a film layer mounted on the active material layer, which comprises at least one Cu and Ni.

The invention relates to a preparation method of a polyaniline / sulfur composite material with a hollow core-shell structure. The composite material has the core-shell structure with 1-5 layers of polyaniline / sulfur. The preparation method comprises the following steps: by taking nano-silica as a template, coating nano-silica with polyaniline, depositing elemental sulfur, and depositing silicic acid; performing coating with polyaniline, depositing elemental sulfur, performing coating with polyaniline and repeating the operation; and finally removing silicon dioxide and silicic acid. The space between every two polyaniline / sulfur composite layers is controlled within 0-10nm; and the thickness of each polyaniline / sulfur composite layer is controlled within 1-20nm. When applied to the anode of a lithium-sulfur battery, the composite material has excellent cycle performance, namely, the discharge capacity of a0.5C lithium-sulfur battery is greater than 300mAh / g when the cycle number is 200; and the composite has a good application prospect in the field of batteries.

The invention provides a tube body for a light load, specifically, a fit in type joint suitable for connecting tube bodies to assemble them into a flat or a three-dimensional tube body structure, resin adhered / coated tube bodies each formed by adhering and coating a thin layer of a synthetic resin on the outer periphery of a thin wall steel tube having an outer diameter in a range from 28mm to 45mm. The fit in type joint is constructed from a joint body, tapered sleeves, and fixation bolts. The joint body has one or more connecting insertion sections formed in a hollow structure, projected from the joint body, and inserted into the bores of tube bodies that are to be connected, each insertion section having a plurality of axially long slits formed running from the forward end of the insertion section and arranged in the circumferential direction, each insertion section having a tapered section on the hollow section thereof, the tapered section having a bore diameter reduced from the forward end section of the insertion section toward the joint body. The tapered sleeves are inserted into the hollow sections of the insertion sections. The fixation bolts secure the tapered sections to the forward end sections.

The invention provides a support used for implanting the blood vessel. The support comprises a section for preventing blood vessel inner wall plaques from entering the support and a supporting section, wherein the section for preventing the blood vessel inner wall plaques frim entering the support is suitable for stopping the plaques on the inner wall of blood vessel from entering the support; thesupporting section provides supporting force enough to prevent the support against displacement in the blood vessel; the pore density of the section for preventing the blood vessel inner wall plaquesfor entering the support is larger than that of the supporting section. The support can effectively stop the plaques on the inner wall of the blood vessel from entering the support, and the support can also be prevented against displacement in the blood vessel.

The invention discloses ionic liquid additive-containing gel battery electrolyte. The gel battery electrolyte comprises 5 to 10 weight percent of silica sol, 30 to 40 weight percent of sulfuric acid, 52 to 62 weight percent of water and 0.01 to 0.03 weight percent of 1-butyl-3-methylimidazole bisulfate ionic liquid. The electrolyte does not flow or acid does not overflow, the charging time is shortened, the discharging time is prolonged, the self-discharge is extremely low, the service life is prolonged, the electrolyte is easy and convenient to maintain, pure water generally needs be added for several times only and acid is not needed. In the production of a gel battery, the gel can be conveniently filled under normal pressure, has reliable performance and is safe to use.

A buckle arranged to connect a band member to a connected member includes a base having an attaching portion for the connected member, a base portion, and opposing lever member supporting portions projecting from the base portion. A lever member is rotatably attached to the base, and includes a combined portion and an operating portion extending from the combined portion. The operating portion includes a slit through which the band member is allowed to pass. The lever member further includes a clamping portion protruding from the combined portion in a direction different from the operating portion. The clamping portion is configured to clamp the band member, which passes between the base portion and the combined portion, to the base portion by a rotation of the lever member towards the base.

The invention relates to the field of diggers and especially relates to a jack anti-rotating easily-detachable reciprocating impact head specifically for a reciprocating impact digger. The jack anti-rotating easily-detachable reciprocating impact head comprises a reciprocating impact head device. The reciprocating impact head device comprises a reciprocating impact head. The reciprocating impact head comprises a reciprocating impact tooth, a permanent seat and a clamp spring or an elastic pin or a lock pin. The reciprocating impact tooth comprises an impact tooth and an impact tooth shoulder. The impact tooth is arranged on an impact tooth insertion column or an impact tooth jack member. The impact tooth shoulder is arranged at a lower part of the impact tooth or is arranged at the end of the impact tooth jack member. The reciprocating impact tooth and the permanent seat comprise hole-slots for arrangement of the clamp spring or the elastic pin or the lock pin. The clamp spring or the elastic pin or the lock pin is arranged in the hole-slots and goes through and connects the reciprocating impact tooth and the permanent seat. The clamp spring or the elastic pin or the lock pin bears a backward pull force produced by reciprocating impact motion. The impact tooth insertion column is inserted into a tooth base jack member or a tooth base insertion column is inserted into the impact tooth jack member. The impact tooth shoulder is tightly fastened to a tooth base shoulder so that a reciprocating impact counter-acting force can be born. A jack anti-rotating structure is fastened to a column anti-rotating structure so that reciprocating impact tooth rotation is prevented.

Disclosed is a hermetically enclosed coolant compressor (1) comprising a cylinder housing (3) and a piston (6) which is guided along a defined piston bearing area (9) within a piston bore (8) of the cylinder housing (3) and is hinged, by means of a connecting rod (7), to a crankshaft (5) that is driven by an electric motor (13). The crankshaft (5) is mounted in a bearing element (2) that is preferably designed in a monolithic manner along with the cylinder housing (3). The piston bore (8) is closed by a cylinder head (15) encompassing a valve disk (16) in a first end region (8a) while being open for accommodating the piston (6) in a second end region (8b) facing the crankshaft (5). According to the invention, the piston bore (8) has a free-running section (10) that adjoins the piston bearing area (9) and is arranged in the second end region (8b) of the piston bore (8). The width (10') of the internal opening of the free-running section (8b) is greater than the diameter (9') of the piston bearing area (9) in order to prevent contact between the piston (6) and the cylinder housing (3) in said section.