Abstract: A wet brake system for a vehicle including a case; an internal operation lever disposed inside the case; a hydraulic cylinder which is integrally mounted to the case and is configured to actuate the internal operation lever; and a brake mechanism configured to be operated by the actuation of the internal operation lever by the hydraulic cylinder to apply a braking force to an axle of the vehicle.

Abstract: To provide a drive transmission changer for a dog clutch of a vehicle, which is effective to achieve change of the drive transmission assuredly without requiring any complicated control and which can be assembled compact in size. The drive transmission changer includes a drive motor 1, an output shaft 2 including a shaft body 2a and an eccentric stud 2b, a gear 3 mounted on the shaft body 2a for rotation relative thereto and drivingly coupled with the drive motor 1, a first transmission member 4 rotatable together with the gear 3, a second transmission member 5 mounted on the shaft body 2a for rotation together therewith, and a torsion coil spring 6 operatively coupled between the first and second transmission members 4 and 5 and arranged coaxially with the shaft body 2a for accumulating a drive force as the first transmission member 4 rotates.

Abstract: A four-wheeled utility vehicle including an engine unit mounted in the utility vehicle; and a vehicle body frame including a frame member that is disposed in the vicinity of the engine unit and is partially movable relative to the engine unit.

Abstract: In a method of manufacturing a semiconductor device, a trench is formed to have an upper quadrangular section and a lower circular section which is formed through a hydrogen annealing process, to extend in a depth direction of a semiconductor substrate. An insulating film is formed on a surface of the trench and a surface of the semiconductor substrate. A conductive film is formed to fill the trench whose surface is covered with the an insulating film. Source/drain regions are formed on both sides of the trench.

Abstract: The storage characteristics in a charged state are improved in a non-aqueous electrolyte secondary battery containing a lithium cobalt oxide as a positive electrode active material. The non-aqueous electrolyte secondary battery includes a positive electrode containing a positive electrode active material; a negative electrode containing a negative electrode active material other than metallic lithium; and a non-aqueous electrolyte. The positive electrode active material contains a lithium cobalt oxide as its main component. The non-aqueous electrolyte contains 0.1 to 10 volume % of a compound having an ether group. The positive electrode active material and the negative electrode active material are contained so that the charge capacity ratio of the negative electrode to the positive electrode is from 1.0 to 1.2 when the battery is charged until the potential of the positive electrode reaches 4.4 to 4.5 V (vs.

Abstract: A nonaqueous electrolyte secondary battery includes a positive electrode containing a positive active material, a negative electrode containing a negative active material and a nonaqueous electrolyte. Characteristically, the positive active material comprises a mixture of a lithium transition metal complex oxide A obtained by incorporating at least Zr and Mg into LiCoO2 and a lithium transition metal complex oxide B having a layered structure and containing at least Ni and Mn as the transition metal.

Abstract: In a nonaqueous electrolyte secondary battery having a positive electrode containing a positive electrode active material, a negative electrode containing a negative electrode active material, and a nonaqueous electrolyte, as the positive electrode active material or as the negative electrode active material, a mixture containing molybdenum dioxide and lithium titanate in a weight ratio (molybdenum dioxide:lithium titanate) of 90:10 to 50:50 is used.

Abstract: Low-temperature charge-discharge performance is improved in a non-aqueous electrolyte secondary battery that employs flake graphite as a negative electrode active material. A non-aqueous electrolyte secondary battery includes a positive electrode containing a positive electrode active material capable of intercalating and deintercalating lithium ions, a negative electrode containing a negative electrode active material capable of intercalating and deintercalating lithium ions, and a non-aqueous electrolyte. The negative electrode includes a mixture layer (1) containing, as the negative electrode active material, a graphite material having flake-shaped primary particles, a current collector (3) made of Cu or a Cu alloy, and an intermediate layer (2) disposed between the mixture layer (1) and the current collector (3) and composed of a material that intercalates and deintercalates lithium ions at a nobler potential than the graphite material.

Abstract: A non-aqueous electrolyte battery is provided that achieves an improvement in safety, particularly an improvement in tolerance of the battery to overcharging, and also prevents discharge capacity from degrading, without compromising conventional battery designs considerably. The non-aqueous electrolyte battery has a positive electrode including a positive electrode active material-layer stack and a positive electrode current collector, a negative electrode including a negative electrode active material layer, and a separator interposed between the electrodes. The positive electrode active material-layer stack has two layers respectively having different positive electrode active materials. Of the two layers, a first positive electrode active material layer (11) that is nearer the positive electrode current collector (16) contains an olivine-type lithium phosphate compound as its positive electrode active material and uses VGCF (18) as a conductivity enhancing agent.

Abstract: A method of manufacturing an electrode having a current collector (1) and a plurality of active material layers (2, 3) formed on a surface of the current collector is provided. The method includes applying, one after another, a plurality of active material slurries in layers onto the surface of the current collector, each of the active material slurries containing a binder and a different active material from one another, to form the plurality of active material layers on the surface of the current collector, and thereafter, simultaneously drying all the active material slurries.

Abstract: In an electrode for a rechargeable lithium battery which includes a current collector and a thin film composed of active material that has the capability to store and release lithium either electrochemically or chemically and deposited on the current collector, the current collector comprises a copper alloy and has a tensile strength of 400 N/mm2 or higher, a proportional limit of 160 N/mm2 or higher, an elastic coefficient of 1.1 N/mm2 or higher and a surface roughness Ra of 0.01–1 ?m at its surface that carries the thin film of active material thereon.

Abstract: A nonaqueous electrolyte secondary battery in which a lithium transition metal complex oxide containing at least Ni and Mn as transition metals and having a layered structure is used as a positive active material, the lithium transition metal complex oxide containing at least Ni and Mn as transition metals and having a layered structure further containing zirconium.

Abstract: A nonaqueous electrolyte secondary battery which has a positive electrode containing lithium cobalt oxide as a positive active material, a negative electrode containing a graphite material and a nonaqueous electrolyte solution containing ethylene carbonate as a solvent and which is charged with an end-of-charge voltage of at least 4.3 V. Characteristically, the battery uses, as the positive active material, lithium cobalt oxide obtained by firing a mixture of a lithium salt, tricobalt tetraoxide (Co3O4) and a zirconium compound and having particle surfaces onto which the zirconium compound adheres.

Abstract: A nonaqueous electrolyte secondary battery including a negative electrode containing a graphite material as the negative active material, a positive electrode containing lithium cobalt oxide as a main component of the positive active material and a nonaqueous electrolyte solution, the battery being characterized in that the lithium cobalt oxide contains a group IVA element and a group IIA element of the periodic table, the nonaqueous electrolyte solution contains 0.2-1.5% by weight of a sulfonyl-containing compound and preferably further contains 0.5-4% by weight of vinylene carbonate.

Abstract: A nonaqueous electrolyte secondary battery wherein a material capable of occludeing/discharging lithium is used as a negative electrode material and a lithium-trasition metal composite oxide which contains Ni and Mn as the transition metal and has a layered structure is used as a positive electrode material is characterized in that a lithium-transition metal composite oxide having a BET specific surface area less than 3 m2/g and a pH of 11.0 or less when 5 g of the lithium-transition metal composite oxide is immersed in 50 ml of purified water is used as the positive electrode active material.

Abstract: A non-aqueous electrolyte secondary battery including a positive electrode containing a positive active material, a negative electrode containing a negative active material and a non-aqueous electrolyte, characterized in that lithium transition metal complex oxide A formed by allowing LiCoO2 to contain at least both of Zr and Mg and lithium transition metal complex oxide B having a layered structure and containing at least both of Mn and Ni as transition metals are mixed and used as said positive active material, and vinylene carbonate and divinyl sulfone are contained in said non-aqueous electrolyte.

Abstract: A nonaqueous electrolyte secondary battery comprising a positive electrode containing a positive active material, a negative electrode containing a negative active material and a nonaqueous electrolyte, wherein a lithium transition metal complex oxide A formed by allowing LiCoO2 to contain at least both of Zr and Mg and a lithium transition metal complex oxide B having a layered structure and containing at least both of Mn and Ni as transition metals and containing molybdenum (Mo) are mixed and used as said positive active material.

Abstract: In a high power output non-aqueous electrolyte secondary battery including a negative electrode including a graphitizable carbon material, the physical properties of the graphitizable carbon material is controlled. In a X-ray diffraction pattern of the graphitizable carbon material, a ratio of a peak intensity I(101) attributed to a (101) plane to a peak intensity I(100) attributed to a (100) plane satisfies 0<I(101)/I(100)<1.0. A ratio of a peak intensity I(110) attributed to a (110) plane to a peak intensity I(004) attributed to a (004) plane satisfies 0.7?I(110)/I(004)?1.4. The graphitizable carbon material preferably has a specific surface area measured by BET method of 1 to 5 m2/g.

Abstract: A nonaqueous electrolyte secondary battery comprising a positive electrode containing a positive electrode active material, a negative electrode containing a negative electrode active material, and a nonaqueous electrolyte is characterized in that the positive electrode active material is composed of a lithium trasition metal oxide having a layer structure and containing Li and Co and further contains a group IVA element and group IIA element of the periodic table.

Abstract: A shift-lever device of a vehicle is provided. The device includes a single shift lever provided so as to be pivotable, and a gate plate having a gate through which the shift lever is inserted up to a predetermined length to guide a shift operation thereof. The device is configured to be coupled with a single shift shaft of a gear transmission mechanism through a single push-pull cable so as to operate the shift shaft. The transmission is configured so that the shift shaft interlocks with a single shift fork to shift gears of the transmission. The gate has a shape such that the shift lever is movable more greatly at each of shift positions as much as a clearance between an outer casing and inner cable of the cable.