Abstract: Disclosed is a network switching device in which a new connection request packet is held in chronological sequence in a priority-assignment circuit provided corresponding to a priority level contained in the connection request packet, and in a case where the new connection request packet does not exist, the connection request packets being held in the priority-assignment circuits on the lower-priority side are shifted in sequence toward the priority-assignment circuits on the higher-priority side, to be held there.

Abstract: To provide a non-aqueous electrolyte secondary battery in which the amount of Li deposited is small and the battery surface temperature does not increase so much, a positive electrode active material comprising crystal particles of an oxide having a layered single-phase crystal structure and a composition represented by the formula (1): LiNi2/3Mn1/3O2, wherein the arrangement of oxygen atoms constituting the oxide is a cubic close-packed structure is used.

Abstract: A mixture of a polyolefin-based resin and a solvent is heated to a temperature at which at least part of the polyolefin-based resin melts to produce a viscous, gel-like adhesive solution. A mixture of the adhesive solution, an active material, and a conductive material is kneaded to produce a paste-form mixture, and a collector is coated with this paste-form mixture to form a mixture layer. The collector with the mixture layer formed thereon is then heated and dried, after which it is press-molded to a specific thickness and cut to a specific size to produce electrode plates.

Abstract: A sheet sorting device for a sheet discharging apparatus which has a sheet discharging tray which receives discharged sheets when the sheet sorting device is not attached to the sheet discharging tray. The sheet sorting device includes a movable tray which is configured to receive sheets discharged from the sheet discharging apparatus and configured to reciprocate in a reciprocating direction substantially perpendicular to a sheet conveying direction of the sheet discharging apparatus by a predetermined stroke necessary for sorting sheets. The sheets are sorted by reciprocating the movable tray in the reciprocating direction. The sheet sorting device is configured to detachably attached to the sheet discharging tray.

Abstract: A method for manufacturing a rectangular cell is provided in which a rectangular case containing a power generating element is hermetically sealed by laser welding a sealing plate to an open end of the rectangular case. A sealing plate 2 formed into the same shape as the upper open end of a rectangular case 1 is laid on the upper open end, laser beams 3a to 3d are applied in a downward direction from the horizontal to a line of contact 4 comprising sides “a” to “d” including respective corners “e”, and the line of contact 4 is scanned with laser beams 3a to 3d thereby sealing the open end of the case with the sealing plate.

Abstract: The present invention provides a high-capacity and low-cost non-aqueous electrolyte secondary battery, comprising: a negative electrode containing, as a negative electrode active material, a ssubstance capable of absorbing/desorbing lithium ions and/or metal lithium; a separator; a positive electrode; and an electrolyte, wherein the positive electrode active material contained in the positive electrode is composed of crystalline particles of an oxide containing two kinds of transition metal elements, the crystalline particles having a layered crystal structure, and oxygen atoms constituting the oxide forming a cubic closest packing structure.

Abstract: In a lithium polymer battery of the present invention, a positive electrode, an negative electrode and a separator respectively contain a vinylidene fluoride-hexafluoropropylene copolymer, an electrolyte contains a solvent comprising diethyl carbonate and a solute dissolved in the solvent, and the electrolyte further contains diphenyl ether as an additive.

Abstract: A non-aqueous electrolyte secondary battery comprises a positive electrode and a negative electrode capable of intercalating and de-intercalating lithium, a non-aqueous electrolyte and separators or solid electrolytes. The negative electrode contains, as a main component, composite particles constructed in such a manner that at least part of the surface of nuclear particles comprising at least one of tin, silicon and zinc as a constituent element, is coated with a solid solution or an inter-metallic compound composed of the element included in the nuclear particles and another predetermined element which is not an element included in the nuclear particles. To improve the ability of the battery, the composite particles mentioned above can include at least one trace element selected from iron, lead and bismuth. The porosity of a mixture layer at the negative electrode is 10% or more and 50% or less.

Abstract: Optical systems are disposed in the two symmetrical direction with respect to an optical deflector, and direct the optical beams deflected by the optical deflector into respective surfaces to be scanned, and forming images thereon. A housing encloses a plurality of light sources, optical deflector and optical systems, the housing includes a base plate on which the optical deflector and optical system, and a side wall surrounding the base plate; the base plate divides the housing into two sections; the plurality of light sources are disposed on the side wall; and optical components of the optical systems are distributed into the two sections of the housing.

Abstract: For providing a non-aqueous electrolyte secondary battery having excellent storage characteristics when stored in the charged state under a high temperature condition, the non-aqueous electrolyte or the negative electrode is made to contain divinylethylene carbonate, thereby to form a film derived from divinylethylene carbonate on the surface of the negative electrode material.

Abstract: A charge control means (10) provided for a battery charging apparatus (1) conducts protection control for a battery pack (2) by transmitting a signal to an output control switch (14) for turning off an output when a rise rate of the temperature of the battery pack (2) detected based on information from a temperature detection terminal (8) is equal to or more than a predetermined value, or a rise rate of the voltage of the battery pack (2) detected based on information from a voltage detection terminal (9) is equal to or less than a predetermined value.

Abstract: A salicyl derivative or a salicylidene derivative such as salicyl alcohol or salicylaldehyde is added to a non-aqueous electrolyte to prevent evolution of gas caused by decomposition of the solvent.

Abstract: The present invention relates to a positive electrode active material comprising a lithium-containing composite oxide containing nickel with an oxidation state of 2.0 to 2.5 and manganese with an oxidation state of 3.5 to 4.0, the oxidation state determined by the shifts of energy at which absorption maximum is observed in the X-ray absorption near-K-edge structures, and to a non-aqueous electrolyte secondary battery using the same, the positive electrode active material being characterized in having a high capacity, a long storage life and excellent cycle life.

Abstract: The present invention discloses a non-aqueous electrolyte secondary battery comprising: a negative electrode containing metallic lithium or a substance at least capable of absorbing/desorbing lithium ion; a separator; a positive electrode; and an electrolyte, wherein the active material for the positive electrode comprises an oxide containing nickel element and manganese element in substantially the same atomic ratios. The non-aqueous electrolyte secondary battery thus fabricated is low cost in construction and has a high capacity.

Abstract: An optical scanning device of the present invention includes a plurality of light source units each including two semiconductor lasers and two coupling lenses respectively associated with the lasers. A single rotatable deflector is implemented as two polygonal mirrors coaxially stacked on each other and different in angular phase from each other. The deflector deflects laser beams issuing from the light source units for thereby scanning a plurality of photoconductive drums via conventional optical devices. A synchronization sensor is shared by the laser beams, but can easily output synchronizing signals clearly separate from each other.

Abstract: A positive electrode active material for a non-aqueous electrolyte battery comprising a lithium-containing transition metal oxide, produced with the use of a dry precursor obtained by: introducing an alkaline solution together with an aqueous solution containing two or more of transition metal salts or two kinds or more of aqueous solutions of different transition metal salts into a reaction vessel to obtain a hydroxide or an oxide as a precursor through coprecipitation with a reductant being coexistent or an inert gas being supplied; and drying the precursor at 300 to 500° C. to obtain a dry precursor.

Abstract: There is provided a positive electrode active material for a non-aqueous electrolyte secondary battery, comprising a composite oxide represented by the general formula (1): (Li1−xMx)a(Co1−yMy)bOc where lithium and cobalt are partly replaced with element M in the crystal structure of LiCoOc, wherein element M is at least one selected from the group consisting of Al, Cu, Zn, Mg, Ca, Ba and Sr, and 0.02≦x+y≦0.15, 0.90≦a/b≦1.10, and 1.8≦c≦2.2 are satisfied.

Abstract: A negative electrode is characterized by its composite particles constructed in such a manner that at least part of the surrounding surface of nuclear particles containing at least one of tin, silicon and zinc as a constituent element, is coated with a solid solution or an inter-metallic compound, which is composed of, the element included in the nuclear particles, and at least one other element except the elements included in the nuclear particles selected from a group comprising group 2 elements, transition elements, group 12 elements, group 13 elements and group 14 elements except carbon of the Periodic Table. The present invention is characterized that the lithium content of the nuclear particles of the composite particles is 40-95 atomic percent of the theoretical limit of lithium content of each constituent element of the nuclear particles. Further, the batteries are first charged at a constant current and upon reaching the predetermined voltage, are charged at a constant voltage.

Abstract: To present a nonaqueous electrolyte secondary battery using iron compound which is inexpensive and abundant in resource, as the active material for the positive electrode. An iron compound with particle size of 1 to 300 nm or less, being composed of substantially spherical primary particles of pore-free matter, is used as the active material for a positive electrode, which is used together with a negative electrode and a nonaqueous electrolyte for composing the battery. By forming the primary particles for composing particles of the iron compound as a pore-free matter, being controlled in a range of 1 to 300 nm, nano effects are brought about, and it is also effective to suppress excessive increase of surface area which may lead to promotion of decomposition of electrolyte, and an excellent discharge capacity is realized stably for a long period.

Abstract: In an electrolyte of a non-aqueous electrolyte secondary battery using a cyclic carboxylic-acid ester exerting high conductivity under a low temperature condition, for suppressing reductive decomposition of the cyclic carboxylic acid ester, a cyclic carbonic acid ester having at least one carbon-carbon unsaturated bond is contained, and for suppressing excessive polymerization reaction of the cyclic carbonic acid ester having at least one carbon-carbon unsaturated bond, a cyclic carbonic acid ester having no carbon-carbon unsaturated bond is further contained.