30results about How to "Resistance minimization" patented technology

A permanent implantable lead having an elongated lead body with at least one multifilar conductor having electrically active elements for providing electrical communication between connectors at a proximal end and electrical components at a distal end of the lead body, and one or more electrically inactive elements for insulating the electrically active elements from one another.

A surface-emission laser diode includes a distributed Bragg reflector tuned to a wavelength of 1.1 μm or longer, wherein the distributed Bragg reflector includes an alternate repetition of a low-refractive index layer and a high-refractive index layer, with a heterospike buffer layer having an intermediate refractive index interposed therebetween with a thickness in the range of 5-50 nm

A resonator is connected in parallel to at least one serial-arm-connected resonator in a resonator type filter having a serial arm and a parallel arm. At this time, the resonance frequency of the resonator connected in parallel is set to be substantially the same as the resonance frequency of the parallel-arm-connected resonator.This makes it possible to prevent the deterioration of attenuation levels at the lower-frequency side of the filter, caused by an increase in the resistance of a connection element due to an increase in packaging density.

The present invention relates to a secondary battery in which an electrode tab is improved in mechanical strength and a method for manufacturing the same.Also, the secondary battery according to the present invention includes: an electrode provided with a coating portion coated with an active material on an electrode collector and a non-coating portion on which the active material is not applied to the electrode collector in a longitudinal direction of the electrode collector and a notching tab part extending from the coating portion in a width direction of the electrode collector without coating with the active material and overlapping each other to form two or more layers when the electrode is wound.

An IC card includes an antenna circuit pattern formed on an insulation film and having a wire-shaped antenna portion, a portion corresponding to a chip bump of a combi-chip, and an attachment portion to which an external contact pad is attached. The combi-chip is attached to a portion corresponding to the chip bump of the combi-chip module on the antenna circuit pattern. At least one dielectric layer is attached to the antenna circuit pattern. An external contact pad is inserted in a hole formed in part of the dielectric layer and attached to the hole and has terminals formed in an outer surface and an inner surface of a substrate and connected to one another. The terminals on the inner surface contact the attachment portion is provided on the antenna circuit pattern.

The invention provides a battery, a current collector applied to the battery, a battery pack comprising the current collector and an automobile. This battery is provided with: an electrode assembly in which a first electrode, a second electrode, and a separation membrane interposed therebetween are wound around a winding axis to define a core and an outer peripheral surface, the first electrode including a first uncoated portion, which is exposed to the outside of the separation membrane and is not coated with an active material layer, at a long-side end portion in the winding direction, and the second electrode including a second uncoated portion, which is exposed to the outside of the separation membrane, at a long-side end portion; at least a portion of the first uncoated portion itself is used as an electrode tab; a case including an open portion on one side and accommodating the electrode assembly through the open portion; a first current collector including: an edge portion disposed on an upper portion of the electrode assembly; a first uncoated portion coupling portion that extends inward from the edge portion and is coupled to the first uncoated portion; and a terminal coupling portion disposed apart from the first uncoated portion coupling portion. And a terminal coupled to the terminal coupling portion.

An IC card includes an antenna circuit pattern formed on an insulation film and having a wire-shaped antenna portion, a portion corresponding to a chip bump of a combi-chip, and an attachment portion to which an external contact pad is attached. The combi-chip is attached to a portion corresponding to the chip bump of the combi-chip module on the antenna circuit pattern. At least one dielectric layer is attached to the antenna circuit pattern. An external contact pad is inserted in a hole formed in part of the dielectric layer and attached to the hole and has terminals formed in an outer surface and an inner surface of a substrate and connected to one another. The terminals on the inner surface contact the attachment portion is provided on the antenna circuit pattern.

A connecting structure of a lead wire is electrically connected to an electrode in which a polarized electrode layer is formed on a surface of a current collector plate. A region of the electrode, to which the lead wire is to be joined, is free from the polarized electrode layer. The lead wire is joined to the current collector plate by means of stitching and then compressed thereto. This connecting structure may keep a capacitance of a capacitor and improve contact reliability. An electric double layer capacitor having the structure and a method for manufacturing the capacitor are also provided.

The present invention relates to a secondary battery and a secondary battery manufacturing method, wherein the mechanical strength of an electrode tab can be increased. In addition, the present invention is characterized by comprising: an electrode having a coated portion and a non-coated portion provided along the longitudinal direction of an electrode collector, the coated portion having an active material applied onto the electrode collector, and the non-coated portion having no active material applied onto the electrode collector; and a notching tab portion extending from the coated portion in the transverse direction of the electrode collector such that the active material is not applied thereto, the notching tab portion being formed to overlap in at least two tiers when the electrodeis wound.

The present invention relates to an LED light source structure, and more particularly, to an LED light source structure with high illuminating power and improved heat dissipating characteristics, in which metal having superior electric conductivity and thermal conductivity is processed into positive electrode units, and heat generated from an LED chip is directly dissipated through the electrode unit which is used as a positive electrode from among the positive electrode units, thereby improving heat dissipating characteristics, stabilizing a light source and preventing voltage drop, thus enabling output of high illuminating power. The LED light source structure with high illuminating power and improved heat dissipating characteristics is configured in that the LED chip is arranged and heat generated when the LED chip is turned on is dissipated to the outside, wherein the LED light source structure comprises: a first electrode unit (10) made of an electrically conductive material; a second electrode unit (20) made of an electrically conductive and thermally conductive material and electrically insulated from the first electrode unit (10); and an LED chip (40) arranged to use the first electrode unit (10) and the second electrode unit (20) as a positive electrode, wherein the first electrode unit (10) and the second electrode unit (20) are arranged to be brought into surface-contact with the LED chip (40), thus enabling heat generated from the LED chip (40) to be directly conducted and dissipated into the atmosphere.

An energy storage device may include an electrode assembly including electrodes and diaphragms alternately stacked in a vertical direction of the energy storage device, an outer member accommodating the electrode assembly therein, and an electrode lead disposed between the electrode assembly and the outer member. And an electrode lead bonded to an electrode provided in the electrode assembly, the electrode lead being provided in the outer member, the electrode including a positive electrode and a negative electrode, the electrode lead including a positive electrode lead having one side bonded to the positive electrode and a negative electrode lead having one side bonded to the negative electrode, a first through-hole and a second through-hole are provided in an upper surface and a lower surface of the outer member in a vertical direction, respectively, a portion of the positive electrode lead is provided to face the first through-hole in the outer member, and a portion of the negative electrode lead is provided to face the second through-hole in the outer member.

The invention discloses a preparation method for NiTe2 used for the electrode material of a supercapacitor. The preparation method includes the following steps that: a tellurium source and a nickel source are mixed, an obtained mixture is arranged in a reactor, a reducing agent and a solvent are added into the mixture, and an obtained mixture is stirred so as to form a mixed solution; a foamed nickel sheet is e arranged in the mixed solution; and the reactor is arranged into a heating furnace, the foamed nickel sheet reacts with the mixed solution for some time; the nickel sheet is removed out; absolute ethyl alcohol and deionized water are adopted to repeatedly wash the nickel sheet, and then, the washed nickel sheet is arranged in a drying oven of a temperature of 60 DEG C so as to be dried, and finally, a dried nickel sheet can be obtained, and the NiTe2 material can be finally formed on the surface of the nickel sheet. The NiTe2 material used for the electrode of the supercapacitor which is prepared by using the preparation method of the invention has high specific capacitance and very excellent cyclic stability; the charge transfer resistance of the NiTe2 is as low as 0.021 ohm; and the NiTe2 can keep 100% capacitance after having been subjected to 1000 times of cyclic distance-current discharge.

The present description relates to oxidation electrodes, methods for their manufacture, and electrolysis devices incorporating them. The present invention provides an oxidation electrode, comprising: a support; an electron transport layer on at least one side of the support; and an interfacial reaction layer on one side of the electron transport layer, the electron transport layer comprising A composite metal oxide represented by the following chemical formula 1, in which x is the number of atoms of Ni, (1-x) is the number of atoms of Fe, y is the number of atoms of O, x is 0.2 to 0.5, and y 1 to 1.5. Chemical formula 1Ni x Fe (1‑x) o y 。

A battery, a battery module for the battery, and a bus bar therefor for connecting battery cells are disclosed, said bus bar having an electrically conductive metal sheet and at least one sheet metal connector, which is produced in the metal sheet by means of a cutting method and has a contact section that is offset out from the sheet plane for electrically connecting to a pole of the battery cell, at least one electrical fuse, and a suspension section, which is provided between the metal sheet and the contact section, with the suspension section being divided into at least two electrically parallel leg sections. In order to achieve a durable and structurally simple bus bar with a fuse, it is proposed that the fuse be composed of the two electrically parallel leg sections.

The invention relates to a lithium metal negative electrode and a lithium metal battery including the same. The lithium metal negative electrode according to an embodiment of the present invention comprises a protective layer for stabilizing a space between a lithium metal and an electrolyte, the protective layer comprising: a polymer of alpha-lipoic acid (ALA) and sulfur molecules (S8); a depolymerization product of the polymer; an inorganic sulfide-based compound; and an inorganic nitride-based compound, an inorganic nitrate-based compound, or a mixture thereof.