203results about How to "High charge" patented technology

Very fast integrated OPL circuits, such as pseudo-NMOS OPL and dynamic OPL, comprising CMOS gate arrays having ultra-thin vertical NMOS transistors are disclosed. The ultra-thin vertical NMOS transistors of the CMOS gate arrays are formed with relaxed silicon germanium (SiGe) body regions with graded germanium content and strained silicon channels.

A computerized compensation system of disseminating a plurality of news and information items offered, contributed, and submitted by a plurality of independent submitters to an internet provider site. The provider site accepts, indexes, catalogs, tracks, meters, and calculates viewer exposure to each submitted news and information item chosen by a plurality of viewers. Compensation due individual submitters is transmitted in real time, as the submitter continues the submission to the provider web site. Billing of funding sources is provided.

The present invention relates to a method of preparing a positive active material for a rechargeable lithium battery, a positive active material prepared according to the method, and a rechargeable lithium battery including the same. This manufacturing method includes preparing a complex salt solution by mixing a solution including a metal source material and a chelating agent, disposing the complex salt on the surface of a lithium-included compound by adding a lithium-included compound to the complex salt solution, adding a solution including a fluorine source material to the solution including a lithium-included compound with the complex salt on the surface, and heat-treating the mixture. The present invention provides a simple method of economically preparing a positive active material in which structural transition on the surface is prevented and securing a uniform coating layer. In addition, the positive active material can have improved charge and discharge characteristics, cycle life characteristic, and rate characteristic. It also has improved ion conductivity, and accordingly can improve mobility of lithium ions in an electrolyte and thereby improve discharge potential of a battery. Furthermore, the positive active material can decrease the amount of a conductive material and increase density of a substrate.

A conductive rubber roller 10 having a conductive rubber layer 1, containing chloroprene rubber, which composes an outermost layer thereof. When an alternating current is applied to the conductive rubber roller 10 at a voltage of five and a frequency of 100 Hertz, a dielectric loss tangent is 0.1 to 1.8.

Lightweight multi-ply tissue products, such as facial tissue and bath tissue, are produced by printing flexible polymeric binder material, such as certain latex binders, onto one or more inner surfaces of the multi-ply tissue product. The resulting products have low stiffness and high strength.

Lightweight multi-ply tissue products, such as facial tissue and bath tissue, are produced by printing flexible polymeric binder material, such as certain latex binders, onto one or more inner surfaces of the multi-ply tissue product. The resulting products have low stiffness and high strength.

A method and apparatus for fault detection of series diodes in rectifiers is disclosed, wherein the voltages across one or both of the individual diodes, and / or the voltage across the pair of diodes are measured to determine a ratio between two of those voltages. The ratio is then analyzed to determine if a fault (e.g., a short circuit or an open circuit) is present. In some embodiments, circuitry can be included to compensate for the normal variations in diode characteristics (e.g., reverse leakage current, reverse recovery charge) between the pair of series diodes to minimize the potential for erroneous fault detection.

A square lithium secondary battery includes a wound body in which a collective sheet in which a positive electrode sheet and a negative electrode sheet overlap each other with a first separator interposed therebetween is wound while a second separator is put inside the collective sheet. An active material mixture layer on one or both surfaces of at least one of the positive electrode sheet and the negative electrode sheet includes a region with a plurality of openings and a region with no opening. At least a bent portion of the collective sheet is covered with the region with the plurality of openings.

An object of the present invention is to provide a cathode active material which contains small-particle sized and low-crystalline lithium transition metal silicate and which undergoes charge-discharge reaction at room temperature.The cathode active material for a non-aqueous electrolyte secondary battery is characterized by containing a lithium transition metal silicate and exhibits diffraction peaks having half widths of 0.175 to 0.6°, the peaks observed through powder X-ray diffractometry within a 2θ range of 5 to 50°.

A contractor certification system employs a survey with targeted questions and interviews, and job site visits, to objectively analyze business and financial practices of a contractor and assess risks involving the contractor's business. A report provided by the contractor certification system to the surety institutions and to the contractor details the business and financial practices, together with the risks, and ranks the contractor's operation in comparison with industry recognized standards. A database maintained by the contractor certification system contains a compilation of business and financial practices and risk factors derived from previously evaluated contractors, together with their performance histories germane to meeting time objectives and project cost goals. A logo generated by the system graphically depicts the contractor's rank. The logo can be used by the contractor in correspondence with prospective customers.

The present invention relates to a positive active material for a rechargeable lithium battery and a rechargeable lithium battery including the same. The positive active material includes an active compound that can intercalate / deintercalate lithium ions, and a bismuth (Bi)-based compound on the surface of the active compound. The bismuth (Bi)-based compound in the positive active material of the present invention decreases resistance against acid generated around a positive active material, and plays a role of suppressing structural change of the positive active material and its reaction with an electrolyte solution and preventing dissolution of transition elements therein. Accordingly, the positive active material of the present invention can improve storage and cycle life characteristics at a high temperature. In addition, it can increase charge and discharge, cycle life, and rate characteristics of a rechargeable lithium battery as well as improve mobility of lithium ions in the electrolyte solution.

The invention relates to VO2 powdery stable suspension with average particle diameter 70nm used (NaPO3)6 as dispersant. Anionic polyelectrolyte makes the VO2 powdery isoelectric point reduce. Ultrasonic dispersion improves the dispersant distribution on particle surface to obviously change the suspension rheological property. It is proved by detecting suspension Zeta electrical potential that the (NaPO3)6 can greatly increase particle surface electric quantity. While pH is 10, the VO2 powdery suspension is stable; the optimum use level of the (NaPO3)6 dispersant is 0.8wt%.

The present invention provides a solid state image pickup device, including a silicon substrate and a photoelectric conversion unit which receives external incident light and generates signals in accordance therewith, and which is formed on or above the surface of the silicon substrate, wherein a signal transmission circuit for reading out the signals generated in the photoelectric conversion unit is formed on the silicon substrate; the photoelectric conversion unit includes a photoelectric conversion layer which has a laminated structure of plural compound semiconductor layers, which are different from each other in light wavelength to absorb and are provided with the laminated structure so that the shorter a light absorption wavelength of a compound semiconductor layer is, the closer to a light incident side the compound semiconductor layer resides; and the plural compound semiconductor layers are respectively connected to pixel electrodes formed on the signal transmission circuit.

An electrode active material comprising in major proportions a monoclinic titanium-niobium composite oxide represented by the formula TiNbxO(2+5x / 2), wherein X is from 1.90 or more to less than 2.00.

Provided are a coating liquid for forming an undercoat layer exhibiting high stability, a process for forming the coating liquid, a high-performance electrophotographic photoreceptor that is capable of forming a high-quality image under various use environments and exhibiting reduced image defects such as black spots and color spots, and an image-forming apparatus and electrophotographic cartridge including the electrophotographic photoreceptor. In the coating liquid for forming an undercoat layer of an electrophotographic photoreceptor containing metal oxide particles and a binder resin, the metal oxide particles have a number average particle diameter of 0.10μm or less and a 10% cumulative particle diameter of 0.060 μm or less which are measured by a dynamic light-scattering method in the coating liquid for forming an undercoat layer.

To suppress decomposition of lithium cobalt oxide and formation of a decomposition product. To suppress the reaction between oxygen in lithium cobalt oxide and a current collector. To obtain a power storage device having high charge and discharge capacity. In a method for manufacturing a power storage device, in forming a lithium cobalt oxide layer over a positive electrode current collector by a sputtering method using a target containing lithium cobalt oxide and a sputtering gas containing Ar, the positive electrode current collector is heated at a temperature at which c-axes of crystals of lithium cobalt oxide are aligned and cobalt oxide is not formed. The heating temperature of the positive electrode current collector is higher than or equal to 400° C. and lower than 600° C.

A negative electrode for a rechargeable lithium battery includes at least one layered unit including a Sn-based metal plating layer and a carbon layer on the metal plating layer. Rechargeable lithium batteries including the negative electrode exhibit improved charge and discharge capacities, and have good capacity retention characteristics even after repeated charge and discharge.

A developing roller has a surface layer which can effectively inhibit the bleeding of a low-molecular-weight component from an elastic layer, and can efficiently impart a high electric charge to a negatively chargeable toner, and is excellent in toner-releasing properties. The developing roller has a mandrel, at least one layer of an elastic layer provided on the mandrel and a surface layer provided on the elastic layer, carries and conveys a toner, and develops an electrostatic latent image on an opposing photosensitive member with the toner. The surface layer comprises a silicon compound film containing Si, N, C and H having specific total amounts of the existing elements Si, N, C and H, and specific ratios N / Si, C / Si, and H / Si.

There is provided a negative-electrode material for rechargeable batteries with a nonaqueous electrolyte which have a high charge / discharge capacity and excellent rate characteristics. The negative-electrode material for rechargeable batteries with a nonaqueous electrolyte comprises: carbon material having a carbon atom content of not less than 98.0% in terms of mass and a lattice spacing (d002) of not more than 3.370 angstroms in the C-axis direction; and a boron compound represented by general formula HxBOy wherein x represents a real number of 0 to 1.0; and y represents a real number of 1.5 to 3.0, wherein the boron compound is bonded to a portion of the carbon atoms of the carbon material.

An LFP electrode material is provided which has improved impedance, power during cold cranking, rate capacity retention, charge transfer resistance over the current LFP based cathode materials. The electrode material comprises crystalline primary particles and secondary particles, where the primary particle is formed from a plate-shaped single-phase spheniscidite precursor and a lithium source. The LFP includes an LFP phase behavior where the LFP phase behavior includes an extended solid-solution range.

The present invention relates to graphite powder and to a battery using it as a negative electrode material, the powder having a specific surface area of not more than 3 m2 / g, an aspect ratio of not more than 6, and a tapping bulk density of not less than 0.8 g / cm3; or a tapping bulk density of not less than 0.8 g / cm3 and an oxidation initiation temperature of not less than 600° C.; or a specific surface area of not more than 3 m2 / g and a tapping bulk density of not less than 0.8 g / cm3, a specific electrical resistance of the powder not more than 0.06 Ωcm in the specified condition. The battery obtained thus has a large discharge capacity, good cycle property and high charge and discharge efficiency.

Composites have a fibrous graphitic porous matrix containing mesopores with an average size of between 2 and 50 nm, and micropores with an average size of below 2 nm, and elemental sulfur placed into the pores of the porous matrix. Processes for preparing the composites include physical and chemical methods as well as mechanical methods using dry and wet. The composites are useful in electrodes for lithium-sulfur batteries.

The invention concerns a silica sol mixture comprising a first silica sol having a broad particle size distribution, the relative standard deviation being at least about 30% by numbers, and a second silica sol having a narrow particle size distribution having a relative standard deviation lower than about 15% by numbers. The invention also concerns a method for preparing a silica sol mixture and use thereof. The invention further concerns a concrete composition comprising a silica sol mixture and a method for preparing such composition.

The invention relates to a method for preparing a GaN / conductive substrate composite material by a magnetron sputtering method. The composite material is GaN; the specific preparation method comprises the steps of putting a GaN target material with the purity of 99.99% and a metal substrate into a sputtering cavity separately, wherein the distance D from the target material to the substrate is 7cm; performing vacuum pumping to the cavity, wherein V is greater than or equal to 1*10<-7>Torr; heating the substrate, and keeping the temperature at 25-700 DEG C; and performing target material bombardment through magnetron sputtering, and growing GaN on the metal substrate in a depositing manner. The prepared GaN directly grows on the conductive substrate, and is tightly combined with the substrate; the GaN in the prepared sample is uniform nanoparticles with average dimensions of 40nm; and the prepared GaN can be used as a lithium ion battery negative electrode material, and has a relatively high charge-discharge capacity and a relatively low charge-discharge platform.

A developing roller having a first inclined groove and a second inclined groove, which are continuous in a helical shape inclined with respect to an axial direction and a circumferential direction and which intersect with each other, formed in the surface thereof, wherein the first inclined groove and the second inclined groove have different groove depths.

The present invention provides an electrophotographic photoconductor comprising an electroconductive substrate and a photosensitive layer provided on the electroconductive substrate, wherein the photosensitive layer comprises a charge-generating material and a charge-transporting material, the charge-transporting material comprising a compound represented by the general formula (1):wherein Ar1 and Ar2 each independently represent an optionally-substituted arylene or bivalent heterocyclic group; Ar3 and Ar4 each independently represent a hydrogen atom, or an optionally-substituted aryl or monovalent heterocyclic group, but are not simultaneously hydrogen atoms; or Ar3 and Ar4 may be taken together to form an optionally-substituted bivalent cyclic hydrocarbon or heterocyclic group; and n is 0 or 1.

The invention is to provide an organic photoconductive material capable of realizing electrophotographic photoreceptors of high reliability that have high charge potential, high sensitivity, good responsiveness to light and good durability, of which the characteristics do not lower even when they are driven at low temperatures or at high speed and even when they are exposed to light, and to provide an electrophotographic photoreceptor that comprises the material and an image-forming apparatus. An organic photoconductive material of the following general formula (1), for example, an enamine compound of the following structural formula (1-1) is produced. Using the organic photoconductive material for the charge-transporting substance to be in a photosensitive layer on a conductive support, an electrophotographic photoreceptor is fabricated, and this is mounted on an image-forming apparatus

An electrophotographic recording material comprising a conductive support and a photosensitive layer containing a photoconductive crystalline substituted metal-free phthalocyanine compound and / or mixed crystals of said substituted metal-free phthalocyanine compounds with unsubstituted metal-free phthalocyanine, wherein said substituted metal-free phthalocyanine compound represented by general formula (I) defined herein contains a halogen, nitro or cyano substituent, and the major part by weight of said substituted metal-free phthalocyanine compound and the mixed crystals of said substituted metal-free phthalocyanine compound with unsubstituted metal-free phthalocyanine is (are) present in the X-morphological form.

To provide a coating fluid for forming an undercoat layer having high stability, a high quality and long-life electrophotographic photoreceptor capable of forming a high quality image in various environments, with which image defects such as black spots or color spots hardly occur, an image forming apparatus using such a photoreceptor, and an electrophotographic cartridge using such a photoreceptor.A coating fluid for forming un undercoat layer of an electrophotographic photoreceptor containing titanium oxide particles and a binder resin, characterized in that titanium oxide agglomerated secondary particles in the coating fluid have a volume average particle size of at most 0.1 μm and a cumulative 90% particle size of at most 0.3 μm.