33results about How to "Same conductivity" patented technology

The invention uses copper-clad aluminium conductor as conductive wire core whose inner core is aluminium wire and outer is cylinder copper roofing, the conductive wire also can be at least two conductive wire cores of copper-clad aluminium conductor which are parallel or winding with each other, the outer of conductive wire core is covered with insulated layer of PVC or polyethylene or cross-link polyethylene or rubber. The insulated material such as PVC, polyethylene, cross-link polyethylene or rubber is covered around the conductive wire core to produce copper-clad aluminium wire cable. The copper-clad aluminium wire cable possesses the same conductivity as copper core cable with the same specification, weight is light, easy to process, usage is convenient, and copper can be saved for 80% or above, cost of product can be decreased effectively, defects that the surface of aluminium cable is easy to be oxidized, resistance is big, corrosion resistance and machine performance are poor can be avoided.

Disclosed is a high energy density lithium secondary battery including: a cathode that includes, as cathode active materials, a first cathode active material represented by Formula 1 below and having a layered structure and a second cathode active material represented by Formula 2 below and having a spinel structure, wherein the amount of the first cathode active material is between 40 and 100 wt % based on the total weight of the cathode active materials; an anode including crystalline graphite and amorphous carbon as anode active materials, wherein the amount of the crystalline graphite is between 40 and 100 wt % based on the total weight of the anode active materials; and a separator.

Disclosed is a high-output lithium secondary battery including: a cathode that includes, as cathode active materials, a first cathode active material represented by Formula 1 below and having a layered structure and a second cathode active material represented by Formula 2 below and having a spinel structure, wherein the amount of the second cathode active material is between 40 and 100 wt % based on the total weight of the cathode active materials; an anode including crystalline graphite and amorphous carbon as anode active materials, wherein the amount of the amorphous carbon is between 40 and 100 wt % based on the total weight of the anode active materials; and a separator.

Disclosed is a high energy density lithium secondary battery including: a cathode including, as cathode active materials, a first cathode active material represented by Formula 1 below and having a layered structure and a second cathode active material represented by Formula 2 below and having a spinel structure, wherein the amount of the first cathode active material is between 40 and 100 wt % based on the total weight of the cathode active materials; an anode including crystalline graphite having a specific surface area (with respect to capacity) of 0.005 to 0.013 m2 / mAh as an anode active material; and a separator.

Disclosed is a high-output lithium secondary battery including: a cathode including a cathode active material having an average particle diameter (with respect to capacity) of 0.03 to 0.1 μm / mAh and a layered structure; an anode including crystalline graphite and amorphous carbon as anode active materials, wherein the amount of the amorphous carbon is between 40 and 100 wt % based on the total weight of the anode active materials; and a separator.

A spark plug designed for fitting in tight spaces of an engine compartment is disclosed. The spark plug has a conductive terminal attached to one end of a flexible central electrode and has a ceramic insulator partially encasing the flexible central electrode. The part of the flexible central electrode between the ceramic insulator and the conductive terminal is encased in a flexible insulator. The flexible part of the central electrode may be bent away from the axis of the ceramic insulator accommodating both installation and servicing of the spark plug in tight spaces.

Disclosed is a high-output lithium secondary battery including: a cathode that includes, as cathode active materials, a first cathode active material represented by Formula 1 below and having a layered structure and a second cathode active material represented by Formula 2 below and having a spinel structure, wherein the amount of the second cathode active material is between 40 and 100 wt % based on the total weight of the cathode active materials; an anode including crystalline graphite having a specific surface area (with respect to capacity) of 0.005 to 0.013 m2 / mAh as an anode active material; and a separator.

A method for fabricating a microelectronic circuit having an improved electrically conductive element. The method includes providing a finished processed microelectronic circuit having a monolithically integrated coil and having a passivation layer situated above at least the monolithically integrated coil. The method further comprises removing at least part of the passivation layer above the monolithically integrated coil and applying a metal layer above the monolithically integrated coil so that the metal layer is electrically coupled to the monolithically integrated coil.

The invention relates to the technical field of aluminum alloys and specifically provides an ultrahigh-conductivity and high-heat conductivity aluminum alloy. The ultrahigh-conductivity and high-heat conductivity aluminum alloy is characterized by comprising 0.2-0.6% by mass of Fe, 0.3-0.8% by mass of Ni and 0.2-0.6% by mass of rare earth element Ce or La or mixture of Ce and La; meanwhile, one or two or three in an additive A is additionally added, the additive A is Mg, Cu, Mn or the mixture thereof, the mass content of each is 0.1-0.5%, and the content of the total additive is controlled within 0.9%; meanwhile, other impurities are controlled as follows: the individual content is less than 0.03% and the total content is less than 0.1%; the balance is Al and inevitable impurities. The aluminum alloy has high conductivity of above 61.8% IACS, excellent heat conductivity and a heat conduction coefficient of 225W / m.k or above, thereby being an excellent aluminum alloy cable material and high-performance heat conduction material.

The invention discloses a high-strength power cable. The high-strength power cable comprises cable cores, and each cable core is formed by stranding of three insulated wire cores. Filler is arranged in gaps of the cable cores, a wrapping tape layer is wrapped outside the cable cores, an isolating layer and an armor layer are sequentially wrapped outside the wrapping tape layer in an extruded mode, and an outer protective jacket is wrapped on the outermost layer of the cable in an extruded mode. Each insulated wire core is composed of a conductor, an inner shielding layer, an insulating layer, an outer shielding layer and a metal shielding layer, wherein the inner shielding layer, the insulating layer, the outer shielding layer and the metal shielding layer are sequentially wrapped outside the conductor in an extruded mode. The high-strength power cable has the advantages of being good in conductivity, high in mechanical performance, creeping and aging resistant, high temperature resistant, good in corrosion resistant performance, long in service life, and the like, and is suitable for voltage classes of 0.6KV-35KV and dry or humid sites with temperature of 200 DEG C, 180 DEG C, 105 DEG C and 90 DEG C or below; and the high-strength power cable can be installed indoors or outdoors, also can be installed in a vertical mode or in a supported mode or in a laid mode along a wall, and even can be installed underground in a directly buried mode.

The invention discloses a corrosion-resistant grounding alloy and a preparation method thereof and relates to the technical field of grounding metals. The corrosion-resistant grounding alloy disclosedby the invention comprises the following components: 94-96% of Al, 3-5% of Cu, 0.05-0.1% of RE and inevitable impurity elements. The preparation method comprises the following steps: 1, burdening according to requirements of various components of the grounding alloy; 2, smelting to obtain alloy melt; 3, pouring in a vacuum room; 4, performing homogenizing annealing on the casting; 5, performing shot blasting; 6, performing pre-oxidation treatment on the casting surface. By adding trace rare earth elements into the alloy, aims of refining grains, improving electronegativity in each region on the material surface, stabilizing a protective film layer and increasing corrosion resistance are achieved. Pure copper is replaced with an aluminum alloy, the cost is reduced, the same conductivity isachieved, and the problem that heavy metal pollution to the environment is caused by the conventional copper and zinc is solved.

The invention relates to the technical field of display and particularly relates to a display panel and a production method thereof. The production method of the display panel comprises the followingsteps: successively forming lead wires and a light-emitting function layer on a substrate, wherein the light-emitting function layer covers the lead wires; forming conducting channels in the light-emitting function layer, wherein the conducting channels extend from one side away from the substrate of the light-emitting function layer to the lead wires; forming a cathode layer on the light-emittingfunction layer, wherein the cathode layer is connected with the conducting channels. According to the scheme, conducting particles are poured into the light-emitting function layer to form the conducting channels, so that the cathode is connected with the lead wires; the wiring length between the cathode and the lead wires is reduced; the touch control blind area on the display panel caused by the oversized wiring area is avoided.

The invention relates to a composite conductive agent and a preparation method thereof and an electrode material containing the composite conductive agent. The composite conductive agent comprises graphene and carbon nanotubes. The graphene and the carbon nanotubes are connected through chemical bonds. The graphene and the carbon nanotubes are bridged by the chemical bonds so that the electron transfer between the two conductive agents can be enhanced, the surface contact with the active material and the long-range conductive capability of the conductive agent are both considered, the steric hindrance effect of the graphene on lithium ions can also be reduced, the dispersion capability in the electrode material can be improved and the conductivity of the electrode piece containing the composite conductive agent is enabled to be as high as 0.5-1.1 S / cm and the internal resistance of the battery containing the composite conductive agent is enabled to be as low as 20-65ohm. The preparation method is simple and easy to operate and realizes the chemical bond connection between the graphene and the carbon nanotubes and dopes nitrogen atoms in the conductive agent through NHS treatment sothat the electron transfer rate inside the electrode can be effectively improved after the conductive agent is added into the electrode and the electrical conductivity is further enhanced.

The invention discloses a circuit printing method through uniform metal liquid drops. The technical problem that an existing microelectronic circuit manufacturing method is poor in practicability is solved. According to the technical scheme, a block metal material in a market supply state is melted, the metal liquid drops in a molten state are sprayed out for printing drop by drop, and through metallurgical bonding among the printing metal liquid drops, it is guaranteed that the electrical conductivity of a printed conducting circuit is the same as that of a dense metal material. Meanwhile, through deposition of the high-temperature liquid drops, a thermoplastic matrix is melted so as to form the conducting circuit with the bottoms of the metal liquid drops being embedded into the matrix,the requirement for the bonding strength of the conducting circuit can be met, the post-processing process of the circuit is reduced, low-cost short-process printing of the circuit is realized, and practicability is good.

The invention is a copper-clad aluminum conductor magnetic wire, the inner core is aluminum wire clad with a layer of cylinder copper sheet, the magnetic wire can also be a magnetic wire having two or more parallel or winding copper-clad aluminum conductors, the magnetic wire is covered with an insulting layer. Or insulating materials such as paper, insulating paint or fiberglass are covered outside the conductor to form a magnetic wire with an insulating layer. The copper-clad aluminum core magnetic wire has same conductivity as that of same-sized copper-core magnetic wire having same size, light weight, processing simplicity and usage convenience, saves more than 80% copper, effectively lowers cost, and overcomes the following drawbacks: easy oxidability, high resistance, poor corrosion resistance and mechanical property of the aluminum-core magnetic wire.

The invention discloses a copper-intermediate silver contact for a relay, and the contact provided by the invention consists of contacts, tail ends and intermediates, wherein the contacts and the tail ends are made of a silver material; and the intermediates are made of a copper material. The copper-intermediate silver contact for the relay disclosed by the invention has the characteristics of low cost, saved precious metal and the like while maintaining the original characteristics of high conductivity, low resistance, good contact and efficient conductance, thereby according with the requirements of low carbon, high efficiency and sustainable development to an industrial product nowadays.

The invention relates to a composite conductive agent, a preparation method thereof and an electrode material containing the same. The composite conductive agent includes graphene and carbon nanotubes, and the graphene and carbon nanotubes are connected by chemical bonds. In the present invention, graphene and carbon nanotubes are bridged by chemical bonds, which enhances the electron transfer between the two conductive agents, takes into account the surface contact with the active material and the long-range conductivity of the conductive agent, and at the same time reduces the resistance of graphene to lithium ions. The steric hindrance effect improves the dispersion ability in the electrode material, so that the conductivity of the pole piece containing the composite conductive agent is as high as 0.5-1.1S / cm, and the internal resistance of the battery containing it is as low as 20-65Ω. The preparation method of the present invention is simple and easy to operate. It not only realizes the chemical bond connection between graphene and carbon nanotubes, but also makes the conductive agent doped with nitrogen atoms through NHS treatment, so that it can effectively increase the electron density inside the electrode after it is added to the electrode. The transfer rate and conductivity are further enhanced.

The invention discloses a preparation device for a channel type conductive coating. The device comprises an air spray gun, a nozzle of the air spray gun is further connected with an electrode net through a high polymer material plug, the electrode net is connected with a base body through a high-voltage direct-current power source, conductive particles sprayed in paint on the base body are erectedin the coating through an electrostatic field, several conductive particles can be mutually connected to form a conductive path, so that the conductive particles are directionally arranged in the coating, and the problem that conductive particles in an existing conductive coating are disorderly distributed is solved; and the content of the conductive particles in the conductive coating is reduced, the conductivity of the middle surface and the conductivity of the bottom layer of the coating are the same, and adverse effects on the corrosion resistance and other properties of the coating due to the high content of the conductive particles in the conductive coating are avoided.