Abstract: A wide-angle lens system includes a first lens group, an aperture stop, and a second lens group having positive optical power. The first lens group includes, at least, a first lens element that has a meniscus shape convex on the object side, and has negative optical power, a second lens element that has a meniscus shape convex on the object side, and has negative optical power, a third lens element that is concave on the image side and has negative optical power, and a posterior lens element. The second lens element is an aspherical lens, and the second lens element satisfies a conditional expression: 0.3<(R21?R22)/(R21+R22)<0.8 where R21 is a radius of paraxial curvature on the object side of the second lens element, and R22 is a radius of paraxial curvature on the image side of the second lens element.

Abstract: A positive electrode for lithium ion secondary batteries includes a collector and a positive electrode active material layer formed on at least one surface of the collector. The positive electrode active material layer contains a lithium-containing metal oxide having a unit cell represented by the following formula and a conductive material and has voids with a volume of 0.82×10?3 cm3/cm2 to 7.87×10?3 cm3/cm2 per unit area of the collector: LiFe1-xZrxP1-ySiyO4??(1) where 0<x<1 and 0<y<1. The unit cell has lattice constants satisfying 10.326?a?10.335, 6.006?b?6.012, and 4.685?c?4.714. The sum of the volume of the lithium-containing metal oxide and the volume of the conductive material is 1.61×10?3 cm3/cm2 to 6.46×10?3 cm3/cm2 per unit area of the collector.

Abstract: A nonaqueous secondary cell comprising a positive electrode, a negative electrode, and a nonaqueous electrolytic solution, wherein the nonaqueous electrolytic solution contains at least a cyclic nitrogen-containing compound represented by the following general formula (1): wherein R1 is selected from a halogen atom, a lower alkyl group, a lower alkenyl group, a lower alkoxy group, a lower alkoxycarbonyl group, a lower alkylcarbonyl group and an aryl group, and R2 is selected from a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkenyl group, a lower alkoxy group, a lower alkoxycarbonyl group, a lower alkylcarbonyl group and an aryl group; or R1 and R2 are bonded together and are selected from a ring structure containing any of a methylene group, a vinylene group and a divalent linking group containing a hetero atom.

Abstract: In a secondary battery including a large-sized electrode group including stacked positive and negative electrode plates, an electrode plate in which failures such as the separation and cracking of an active material layer and the abrasion and cracking of a current collector are unlikely to occur is provided. An electrode plate 21 includes a coated region CR where active material layers 21a are formed and an uncoated region NC where no active material layer is formed and has a configuration in which a boundary section between the coated region and the uncoated region is provided with a first buffer region C2 having a non-linear irregular shape in plan view.

Abstract: Provided is a tape-shaped electrode that can effectively perform discharging and recharging even if the size thereof is increased. The tape-shaped electrode includes a plurality of conductive plates, and insulating coupling members that separably couple the plurality of conductive plates arranged in one direction in an insulating state.

Abstract: Each of a plurality of photovoltaic power generators includes a solar cell, a storage battery, a communication interface for communication, and a battery control unit for controlling storage of electric power and output of electric power to an electric power system. The battery control unit of the first photovoltaic power generator included in the plurality of photovoltaic power generators causes the first photovoltaic power generator to prioritize output of the electric power to the electric power system over storage of the electric power during the first time period, and causes the second photovoltaic power generator included in the plurality of photovoltaic power generators to prioritize output of the electric power to the electric power system over storage of the electric power during the second time period delayed by a prescribed time period from the first time period, through the communication interface.

Abstract: A non-aqueous electrolyte secondary battery comprising electrodes including a positive electrode and a negative electrode, a separator positioned between the electrodes, and a non-aqueous electrolyte, wherein the electrodes have a collector carrying an active substance material, and the collector of at least one of the positive electrode and the negative electrode is a three-dimensional structure formed of a resin fiber covered with a metal film.

Abstract: A secondary battery with filling function has a corresponding secondary battery and a filling device. The corresponding secondary battery has a housing defining an accommodation chamber for accommodating a power generation portion, an opening portion formed in the housing, a stopper body closing the opening portion, and a coupling portion formed around the opening portion. The filling device has a cap body forming a sealed space around the opening portion by covering the opening portion and the stopper body closing the opening portion as a result of coupling to the coupling portion, an attachment and removal portion for attaching and removing the stopper body to/from the opening portion in the sealed space, and a filling portion for filling the inside of the housing with a non-aqueous electrolyte through the opened opening portion.

Abstract: A nonaqueous secondary battery comprises a positive electrode, a negative electrode and a separator interposed between the positive electrode and the negative electrode, wherein at least one of the positive electrode and the negative electrode is provided with a current collector composed of a film-like or fibrous resin layer having a conductive layer on both sides, and the separator has a higher thermal deformation temperature than the resin layer.

Abstract: A secondary battery with improved life characteristics is provided. The secondary battery (lithium-ion secondary battery) has: an electrode assembly including positive electrodes and negative electrodes; and a package container for housing the electrode assembly along with non-aqueous electrolyte liquid. The package container includes a package can for housing the electrode assembly and a sealing plate sealing the opening of the package can. On the sealing plate, an elevated portion is formed that projects toward the electrode assembly and has, on the side opposite from the electrode assembly, a cavity portion for storing refill non-aqueous electrolyte liquid. The elevated portion has a hole for feeding the refill non-aqueous electrolyte liquid stored in the cavity portion toward the electrode assembly. The hole is sealed with a sealing stopper formed of a resin material letting the refill non-aqueous electrolyte liquid leak toward the electrode assembly.

Abstract: An electrode for non-aqueous electrolyte secondary batteries includes a current collector having principal surfaces facing each other and an active material layer which contains an active material, a binder, and a conductive material and which is placed on at least one of the principal surfaces of the current collector. The sum of the volume of the active material per unit area of the current collector and the volume of the conductive material per unit area of the current collector is 9.70×10?2 cm3/cm2 to 24.6×10?2 cm3/cm2, the volume of the active material being calculated from the average particle size D50 of the active material, the volume of the conductive material being calculated from the average particle size D50 of the conductive material. The pore volume of the active material layer per unit area of the current collector is 6.00×10?3 cm3/cm2 to 20.0×10?3 cm3/cm2.

Abstract: In a lithium-ion secondary battery of the present invention, the electrical resistivity of the mixture of a positive electrode active material, an electrically conductive member, and a binder is 0.1 ?cm or more but 1 ?cm or less. The positive and negative electrodes each have an electrical capacity of 10 mAh or more but 50 mAh or less per volume of a rectangular parallelepiped that has a 1 cm2 square base on a face of the electrode of one polarity facing the electrode of the other polarity and that has a height equal to the thickness of the electrode of the one polarity at the square base. Used as the negative electrode thereof is a negative electrode formed by sintering graphite powder, non-graphitizing carbon, and fibrous powder retained in the pores of a porous metal structure in an inert gas atmosphere at a temperature of between 600 and 1000° C.

Abstract: A nonaqueous secondary battery comprising a pair of electrodes consisting of a positive electrode and a negative electrode, and a separator interposed between the pair of electrodes, wherein the separator is a laminate formed by stacking in sequence a metal layer, a first resin layer and a second resin layer having a thermal shrinkage percentage smaller than a thermal shrinkage percentage of the first resin layer, and the metal layer is opposed to one of the pair of electrodes.

Abstract: An image processing device includes a supply unit that supplies a coefficient data group in each sub-band, in which image data of a predetermined number of lines is decomposed for each frequency band by a hierarchical analysis filter process and which includes coefficient data of one line or more in a sub-band of at least a lowest frequency component, a synthesis filter unit that synthesizes the coefficient data group and generates image data in a baseband, a supply control unit that controls the supply unit to supply the coefficient data at such a timing that the synthesis filter unit can generate the image data at a timing corresponding to a horizontal synchronization period, and a synthesis filtering control unit that controls the synthesis filter unit to synthesize the coefficient data group in the predetermined order and generate the image data at a timing corresponding to the horizontal synchronization period.

Abstract: An information processing device, configured to divide the frequency components of image data into a plurality of frequency bands, includes an analysis filtering unit configured to perform analysis filtering for dividing the frequency components into highband components and lowband components recursively, and a holding unit configured to supply, in sync with timing for holding data supplied as a computation result of the analysis filtering by the analysis filtering unit, the data already held, which is data necessary for computation of next analysis filtering to the analysis filtering unit.

Abstract: An electrode dryer includes a drying furnace; and a conveyance member for longitudinally conveying a band-like electrode base material coated with a coating material from an entrance to an exit of the drying furnace, the drying furnace including an air-permeable mounting member for horizontally supporting the electrode base material to be conveyed in the drying furnace; and a suction member for sucking the electrode base material through the air-permeable mounting member.

Abstract: The aqueous paste for an electrochemical cell of the present invention comprises an aqueous dispersion for an electrochemical cell that comprises an olefin copolymer (a); an active material; and a conductive assistant, wherein the olefin copolymer (a) has a weight average molecular weight of not less than 50,000 and is at least one kind selected from a random propylene copolymer (a-1) containing 50% by weight to less than 85% by weight of a structural unit derived from propylene; an acid-modified random propylene copolymer (a-2) obtained by modifying the copolymer (a-1) with an acid; and an ethylene-(meth) acrylic acid copolymer (a-3) containing 5% by weight to less than 25% by weight of a structural unit derived from (meth) acrylic acid.

Abstract: An information processing device includes: a synthesis filter processing unit to subject image data to analysis filtering for dividing the frequency components of the image data into highband components and lowband components hierarchically, and subject the frequency components of the image data divided into a plurality of frequency components to synthesis filtering for mutually synthesizing the frequency components of the frequency band of the same division level recursively; a frequency component holding unit to hold frequency components of a division level one order lower, generated by the synthesis filtering performed by the synthesis filter processing unit; and a control unit to cause the synthesis filter processing unit to recursively perform the synthesis filtering processing on each frequency component held in the frequency component holding unit, in an order whereby the image data is restored in order from the top of the image, a plurality of lines at a time.

Abstract: A redox flow battery comprising an electrode cell including a negative electrode cell, a positive electrode cell and a separator for separating them, in which at least one of the negative electrode cell and the positive electrode cell includes a slurry type electrode solution, a porous current collector and a casing; a tank for storing the slurry type electrode solution; and a pipe for circulating the slurry type electrode solution between the tank and the electrode cell.

Abstract: A non-aqueous electrolyte secondary battery comprising electrodes including a positive electrode and a negative electrode, a separator positioned between the electrodes, and a non-aqueous electrolyte, wherein the electrodes have a collector carrying an active substance material, and the collector of at least one of the positive electrode and the negative electrode is a three-dimensional structure formed of a resin fiber covered with a metal film.