PROBLEM TO BE SOLVED: To provide a method, device and program for information retrieval, capable of attaining accurate retrieval in a short time by applying clustering method.

SOLUTION: A retrieval query configuration module 6 includes a query DB 61 for managing query vectors of music matched to a user's taste; a similarity calculation part 62 for calculating a similarity of query vectors r...

PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte battery with an initial internal resistance restrained, even though it is endowed with an effect of unsaturated sultone of being able to restrain performance degradation of the battery because of its use at high temperature.

SOLUTION: The nonaqueous electrolyte contains unsaturated sultone and amines. It also contains fluorine-contai...

PROBLEM TO BE SOLVED: To provide a composite active material capable of achieving both of a high collecting property and an easy electrode creating process especially in regard to a low conductive active material.

SOLUTION: The composite active material is formed by growing carbon nanofiber on a surface of an active material mainly formed of silicon oxide particles which can charge and disc...

PROBLEM TO BE SOLVED: To realize a battery easy to handle through restraint of drastic fall of the maximum input/output power, as to the battery pack made by connecting in series a plurality of steps of nonaqueous system electrolyte secondary batteries with a large discharge capacity per unit volume so made to use LiaMbNicCodOe(provided, M is at leas...

PROBLEM TO BE SOLVED: To provide a lead storage battery capable of preventing an electrolyte from rising through a gap between a bushing base on the lid of a cell package and the surrounding resin of the bushing base, up to a terminal to tarnish it.

SOLUTION: The lead storage battery has a base 1a, a terminal 1b extending upward from the upper end of the base 1a, and a terminal 1c provided ...

PROBLEM TO BE SOLVED: To provide a negative electrode which increases the volume density of a negative electrode active material layer and has a large charge capacity to offer superior cycle characteristics, and a battery using the negative electrode.

SOLUTION: The negative electrode includes a negative electrode current collector, and the negative electrode active material layer formed on ...

PROBLEM TO BE SOLVED: To provide a manufacturing method of a secondary battery with excellent productivity.

SOLUTION: The manufacturing method of the secondary battery comprises a peripheral edge jointing process forming a bag body 100 equipped with an outer package case made like a bag by jointing two sheet-shaped outer package materials at an outer periphery edge for housing a battery ele...

PROBLEM TO BE SOLVED: To provide the manufacturing method of a control valve type lead-acid battery shortening in-battery case chemical conversion time and suppressing carbon elution from a negative plate, especially from the upper part of the negative plate.

SOLUTION: In the manufacturing method of the control valve type lead-acid battery which is manufactured by constituting an electrode ...

PROBLEM TO BE SOLVED: To provide an electrode for a lithium ion secondary battery strengthening bonding between a current collector and active material particles and between the active material particles without using a binder, increasing capacity, and decreasing contact resistance between the active material particles and between the active material particles and the current collector.

SOL...

PROBLEM TO BE SOLVED: To provide an electrode for a lithium ion secondary battery inhibiting generation of short-circuit current in short circuit and having high capacity.

SOLUTION: The electrode for the lithium ion secondary battery contains a current collector and an active material layer formed and joined on the current collector by colliding active material powder which can absorb and r...

PROBLEM TO BE SOLVED: To provide a string-like electrochemical device superior in shape freedom degree (bending freedom degree).

SOLUTION: This is the string-like electrochemical device in which storage elements 1 equipped with a first electrode 10, a second electrode 20, and an electrolyte layer 30 that is arranged between the first electrode 10 and the second electrode 20 and that has ion...

PROBLEM TO BE SOLVED: To provide a storage element which has superior energy density and is capable of further downsizing.

SOLUTION: This is the storage element equipped with a first electrode 10, a second electrode 20, and an electrolyte layer 30 which is arranged between the first electrode 10 and the second electrode 20 and which has ion conductivity, and in which either one or both of t...

PROBLEM TO BE SOLVED: To provide an electrode for a lithium secondary battery which is high in discharge capacity and superior in charge and discharge cycle characteristics, and its manufacturing method.

SOLUTION: This is the electrode for the lithium secondary battery in which a lithium thin film is equipped on a current collector, and the electrode for the lithium secondary battery in whi...

PROBLEM TO BE SOLVED: To provide conductive tin oxide powder which has the same conductivity as that of ATO powder without containing antimony, which imposes less load on the environment, and which has high transparency.

SOLUTION: This is the conductive tin oxide powder which contains 0.01 to 0.2 mol of fluorine and 0.001 to 0.01 mol of nitrogen as against 1 mol of tin without containing an...

PROBLEM TO BE SOLVED: To improve operation rate and reliability of movement of an electron beam application device.

SOLUTION: In the center control part 12 of a scanning electron microscope 100, based on detected data detected from detecting devices such as a beam current detector 8, a vacuum pressure detector 10, an emission current detecting part 21, and a pulling-out voltage detecting pa...

PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery capable of obtaining a high output with excellent durability without the need of complex processes.

SOLUTION: The nonaqueous electrolyte secondary battery 10 contains a winding electrode 11 which has a cathode 21 with a cathode material 20 coated on a cathode collector 19 and an anode 24 with an anode material 23 co...

PROBLEM TO BE SOLVED: To provide a lithium ion capacitor, having a high energy density and a high output density and exhibiting high breakdown voltage and high durability.

SOLUTION: In the lithium ion capacitor having a positive electrode, a negative electrode, and an aprotic organic solvent electrolytic solution of lithium salt as electrolyte, where the negative electrode and/or the positi...

PROBLEM TO BE SOLVED: To provide a lithium ion capacitor having improved low temperature characteristic and durability by improvement in the electrolyte.

SOLUTION: The capacitor is provided with an anode, a cathode, and an electrolyte formed of non-proton organic solvent electrolyte solution of lithium salt. In this lithium ion capacitor, an anode active substance permits reversible doping/...

PROBLEM TO BE SOLVED: To provide an electronic element or the like reduced in breakdown voltage variation and high in reliability while responding to a request of miniaturization/thinning.

SOLUTION: Two sheets of plane coils 100 having insulating layers 5 having recesses 5a and conductor patterns 4 formed so as to partially occupy spaces in the recesses are prepared and etching surfaces in ...

PROBLEM TO BE SOLVED: To provide a laser dicing sheet capable of preventing cut of a dicing sheet, damage of a chuck table and fusion bonding of a dicing sheet to a chuck table by laser light in laser dicing, and also to provide a method of manufacturing a chip piece through a laser dicing process with use of the laser dicing sheet.

SOLUTION: The laser dicing sheet comprises a base material...