Honda Motor Co., Ltd.

The Ohio State University

Honda Giken Kogyo Kabushiki Kaisha

Waseda University

Toshio Tokune

Avetik R Harutyunyan

Leonid Grigorian

Toshiyuki Ohashi

Hidefumi Nikawa

Ryogo Kato

Masahiro Ohta

Hiroshi Kawarada

Elena Mora Fernandez

Elena Mora

Takuya Nishinuma

Takahiro Komori

Toshiyuki Shima

Takashi Nakagawa

Kiyoshi Tanaami

Pu Qian

Akihisa Tanaka

Elena Mora Pigos

Kazuki Saimen

Mitsumoto Kawai

Ryogo Sakamoto

Masahiro Ota

Kenshi Inoue

Takumi Ochiai

Sriram Viswanathan

The disclosure provides a filamentary positive electrode for solid battery, a solid battery having the filamentary positive electrode for solid battery, a manufacturing method of the filamentary positive electrode for solid battery, and a manufacturing method of the solid battery having the filamentary positive electrode for solid battery. The structure of a positive electrode that constitutes a solid battery is a filamentous structure. A positive electrode active material layer including a positive electrode active material is provided on a surface of a conductive positive electrode filament, and a positive electrode electrolyte layer including an electrolyte is further provided on an outer side of the positive electrode active material layer to form a filamentary positive electrode for solid battery. The filamentary positive electrode for solid battery and a filamentary negative electrode for solid battery, which has a filamentous structure, are laminated to form a solid battery.

Filamentary positive electrode for solid battery, solid battery, manufacturing method of filamentary positive electrode for solid battery and manufacturing method of solid battery

Provided is an electrode mixture layer capable of reducing internal resistance by use of a carbon nanotube molding. The electrode mixture layer includes an active material and a conductor of carbon nanotubes in close contact with the surface of the active material, and the number density of the carbon nanotubes is 4 tubes/&#x3bc;m or more. The number density is defined as a value obtained by providing measurement lines on a scanning electron microscope image of a surface of the electrode mixture layer at 0.3 &#x3bc;m intervals both longitudinally and laterally, measuring the total number of the carbon nanotubes being in close contact with the surface of the active material and intersecting the measurement lines, and dividing the total number of the carbon nanotubes by the total length of the measurement lines on the active material surface.

Electrode mixture layer

Provided is an electrode for a secondary cell capable of obtaining excellent output values and input values when used in the secondary cell. The electrode for a secondary cell is formed of an electrode mixture layer molded body formed of an active material and at least one of a carbon nanotube and a three-dimensional carbon nanotube fiber bundle skeleton formed of a plurality of carbon nanotubes that intersect one another to form an aggregation, which are in intimate contact with the surface of the active material; and a current collector layered on the electrode mixture layer molded body. The electrode mixture layer molded body includes a first roughened surface, and the current collector includes a second roughened surface. The first roughened surface of the electrode mixture layer molded body and the second roughened surface of the current collector are pressed and attached to each other.

Electrode for secondary cell

Method and processes for synthesizing single-wall carbon nanotubes is provided. A carbon precursor gas is contacted with metal catalysts deposited on a support material. The metal catalysts are preferably nanoparticles having diameters less than about 50 nm. The reaction temperature is selected such that it is near the eutectic point of the mixture of metal catalyst particles and carbon.

Synthesis of small and narrow diameter distributed carbon single walled nanotubes

Provided is a substrate for carbon nanotube growth in which no metal particles as a catalyst aggregates and a method for manufacturing the substrate. A substrate for carbon nanotube growthincludes a base plate, a catalyst, a form-defining material layerwhich allows the catalystto be dispersed and arranged, and a covering layerwhich has a metal oxide to cover the catalyst. A method for manufacturing a substrate for carbon nanotube growthincludes a step of sputtering on a base platea metal which forms a catalystand oxidizing the surface of the metal, a step of sputtering a form-defining material on the base plate, and a step of further sputtering on the form-defining material a metal which forms a catalystand oxidizing the surface of the metal.

Substrate for carbon nanotube growth and method for manufacturing the same

Provided is a substrate for carbon nanotube growth in which no metal particles as a catalyst aggregates and a method for manufacturing the substrate. A substrate for carbon nanotube growthincludes a base plate, a noble metal alloy catalysthaving an alloy of a noble metal and a transition metal, and a form-defining material layerwhich allows the noble metal alloy catalystto be dispersed and arranged. A method for manufacturing a substrate for carbon nanotube growthincludes a step of sputtering a noble metal alloy on a base plate, a step of sputtering a form-defining material on the base plate, and a step of further sputtering the noble metal alloy on the form-defining material.

A substrate for growing carbon nanotubes capable of elongating single-walled carbon nanotubes of an average diameter of less than 2 nm is provided. The substrate for growing carbon nanotubesis equipped with a reaction prevention layerformed on a base material, a catalyst material layerformed on the reaction prevention layer, a dispersion layerformed on the catalyst material layer, and a dispersion promotion layerformed on the dispersion layer

Substrate for growing carbon nanotubes, manufacturing method thereof, and manufacturing method of oriented carbon nanotubes

A carbon nanotube synthesizing apparatus in which the state of generated plasma can be stabilized is provided. A carbon nanotube synthesizing apparatuscomprises a chamber, an antennaincluding a tip, a microwave conductor, a gas introducing unit, a gas discharging unit, a substrate holding unit, and a heating unit. The shape of the inner wall of the chamberis symmetrical with respect to the tipof the antenna

Carbon nanotube synthesizing apparatus

Disclosed is a method capable of accelerating the growth of oriented carbon nanotubes when manufacturing the oriented carbon nanotubes by a plasma CVD. Under the circulation of a gas which is the raw material of the carbon nanotubes, plasma is generated by an antenna () provided in a depressurized treatment chamber (), and substrates () provided with a reaction prevention layer and a catalyst material layer which are formed on a base material are held at a distance, to which a radical can reach and an attack of an ion generated as a by-product of the radical can be avoided, from a plasma generation area (). The tip () of the antenna () can be controlled so as to match with the position of the anti-node of a stationary wave () of microwaves.

Oriented carbon nanotube manufacturing method

Methods, processes, and apparatuses for the continuous synthesis of carbon nanostructures are provided. Metal catalysts having small diameter and narrow distribution of particle sizes are prepared and continuously injected as aerosols into a reactor. The metal catalysts are supported on supports that are substantially free of carbon. The metal catalyst, in the form of a powder, is placed on a fluidized bed and aerosolized using an inert gas. The powder entrailed in the gas is injected near the top of a vertical reactor for the synthesis of SWNTs.

Dry powder injector for industrial production of carbon single walled nanotubes (SWNTs)

Methods and processes for synthesizing single-wall carbon nanotubes are provided. A carbon precursor gas is contacted with metal catalysts deposited on a support material. The metal catalysts are preferably nanoparticles having diameters less than about 3 nm. The reaction temperature is selected such that it is near the eutectic point of the mixture of metal catalyst particles and carbon. Further, the rate at which hydrocarbons are fed into the reactor is equivalent to the rate at which the hydrocarbons react for given synthesis temperature. The methods produce carbon single-walled nanotubes having longer lengths.

Catalyst for the growth of carbon single-walled nanotubes

Metal nanoparticles are formed by heating or refluxing a mixture of a metal salt, such as a metal acetate, and a passivating solvent, such as a glycol ether, at a temperature above the melting point of the metal salt for an effective amount of time.

Method for synthesis of metal nanoparticles

Metal nanoparticles containing two or more metals are formed by heating or refluxing a mixture of two or more metal salts, such as a metal acetates, and a passivating solvent, such as a glycol ether, at a temperature above the melting point of the metal salts for an effective amount of time.

Methods are provided for the preparation of single-walled carbon nanotubes using chemical vapor deposition processes. In some aspects, single-walled carbon nanotubes having narrow distribution of diameters are formed by contacting a carbon precursor gas with a catalyst on a support, wherein the catalyst has an average diameter of less than about 2 nm.

Methods for controlling the quality of metal nanocatalyst for growing high yield carbon nanotubes

The present teachings are directed toward methods for preparing activated capacitor materials by exposing capacitor material to an electrical potential of sufficient voltage and for a sufficient time to activate the capacitor materials. Compositions of capacitor materials containing carbon nanotubes and other carbon-containing materials are also disclosed.

Growing community of inventors

Dublin, OH, United States of America

Toshio Tokune