Hitachi Chemical Company, Ltd.

The University of Tokyo

Lg Energy Solution, Ltd.

Showa Denko Materials Co., Ltd.

Eisuke Haba

Suguru Noda

Shunsuke Ueda

Dong Young Kim

Toshio Osawa

Hiroki Kuzuoka

Kei Hasegawa

Zhongming Chen

Shunsuke Nagai

Hisashi Sugime

Kenji Takaoka

Nobuyuki Ogawa

Hiroki Mikuni

Hiroo Nishiyama

Kaoru Konno

Yusuke Kon

Masashi Aotani

Katsunori Kodato

Mie Abe

Kouichi Takei

A lithium ion secondary battery includes: a cathode; an anode: a separator; and an electrolytic solution containing lithium hexafluorophosphate (LiPF) as a lithium salt, wherein the cathode includes a current collector and a cathode mixture formed on the current collector, and wherein the cathode mixture contains an aluminum oxide, a part or an entirety of a surface of the aluminum oxide being coated with carbon.

Lithium ion secondary battery including aluminum silicate

A positive electrode for a lithium ion secondary battery, including a positive electrode current collector, a conductive layer which is disposed directly or indirectly on the positive electrode current collector, and which includes a conductive particle, a polymer particle, and a fluororesin or a resin including a structural unit derived from a nitrile group-containing monomer, and a positive electrode active material layer disposed directly or indirectly on the conductive layer, as well as a lithium ion secondary battery using the same.

Positive electrode for lithium ion secondary battery, and lithium ion secondary battery using the same

Provided are a positive electrode for a lithium ion secondary battery, the positive electrode including a positive electrode active material layer, the positive electrode active material layer including insulating polyolefin particles and an electroconductive material; an electrode for a lithium ion secondary battery, the electrode including an electrode active material layer, the electrode active material layer including polyolefin particles and a resin including a structural unit derived from a nitrile group-containing monomer; and a lithium ion secondary battery using the same.

Positive electrode for lithium ion secondary battery, electrode for lithium ion secondary battery, electrode active material layer including polyolefin particles, and lithium ion secondary battery

A method for simultaneously producing carbon nanotubes and hydrogen according to the present invention is a method for simultaneously producing carbon nanotubes and hydrogen, in which using a carbon source containing carbon atoms and hydrogen atoms and being decomposed in a heated state, and a catalyst for producing carbon nanotubes and Hfrom the carbon source, the above carbon nanotubes are synthesized on a support in a heated state, placed in a reactor, and simultaneously, the above His synthesized from the above carbon source, the method comprising a synthesis step of flowing a source gas comprising the above carbon source over the above support, on which the above catalyst is supported, to synthesize the above carbon nanotubes on the above support and simultaneously synthesize the above Hin a gas flow.

Device for simultaneously producing carbon nanotubes and hydrogen

A heat exchanger type reaction tube includes a first tube part that forms a first flow channel into which a feed gas flows and in which the feed gas moves down; a second tube part that forms a second flow channel which is connected to the first flow channel and in which the feed gas moves up and that has a granular catalyst carrying support medium charged therein; and a heating device that heats the first tube part and the second tube part. Then, the first flow channel and the second flow channel are adjacent to each other while being separated from each other by a partition wall, and the second flow channel is provided with a distributor which holds the catalyst carrying support medium and through which the feed gas passes.

Heat exchanger type reaction tube

The present disclosure provides a binder resin composition comprising a polyolefin particle, an organic solvent and a polymer that is soluble in the organic solvent, as well as an electrode for a lithium ion secondary battery and a lithium ion secondary battery each using the binder resin composition.

Binder resin composition, electrode for lithium ion secondary battery and lithium ion secondary battery

The present invention relates to metal catalyst particles for carbon nanotube synthesis, comprising carbon-containing regions on their surfaces.

Carbon-containing metal catalyst particles for carbon nanotube synthesis and method of producing the same, catalyst carrier support, and method of producing carbon nanotubes

A lithium ion battery includes: a negative electrode in which a state of charge at a potential to be 0.1 V with respect to a lithium potential is 60% or more; and a positive electrode containing a lithium-containing composite metal oxide, and a capacity ratio of the positive electrode and the negative electrode (negative electrode capacity/positive electrode capacity) is 1 or more and less than 1.2. In the lithium ion battery described above, the lithium-containing composite metal oxide contains layered lithium nickel manganese cobalt composite oxide (NMC) and spinel lithium manganese oxide (sp-Mn).

[object Object]

Single walled carbon nanotubes can be synthesized and production efficiency of carbon nanotubes can be enhanced by a method including a supplying step (S) in which particulate carriers are supplied into a drum, a sputtering step (S) for supporting a catalyst, in which sputtering is performed while this drumis rotated around the axis and is swung so that one end portion and the other end portion in the axial direction of the drumare relatively vertically switched, and a recovering step (S) in which the particulate carriers are recovered by inclining the drum to discharge the particulate carriers from the drum.

Method for manufacturing catalyst for carbon nanotube synthesis

A drum sputtering device that can uniformly deposit target atoms on all over particles is provided. The drum sputtering device includes a vacuum containerthat contains particles, a tubular drumthat is arranged inside the vacuum containerand at least one end faceof which is open, and a sputtering targetthat is arranged inside the drum. With a supporting arm, a drive motorfor rotation, a drive motorfor swing, a first gear member, and a second gear member, the drum can be rotated around the axis of the drumand the drumcan be swung so that one end portionand the other end portionin the axial direction of the drumare relatively vertically switched.

Drum sputtering device

The present invention relates to a method of producing carbon nanotubes, comprising a catalyst particle forming step of heating and reducing a catalyst raw material to form catalyst particles and a carbon nanotube synthesizing step of flowing a raw material gas onto the heated catalyst particles to synthesize carbon nanotubes, wherein a carbon-containing compound gas without an unsaturated bond is flowed onto the catalyst raw material and/or the catalyst particles in at least one of the catalyst particle forming step and the carbon nanotube synthesizing step.

Carbon nanotubes and production method thereof

The present invention provides a carbon nanomaterial production apparatusthat includes a reaction tubeinto which raw material gas and carrier gas are supplied and accordingly in which carbon nanomaterial is grown, a connection tubethat is connected to the reaction tubeand through which an aerosol-like mixture of the carbon nanomaterial and the carrier gas passes, and a collection tubethat is connected to the connection tubeand collects the carbon nanomaterial from the mixture. The collection tubeincludes a discharge sectionthat is located above a junctionwith the connection tubeand discharges the carrier gas contained in the mixture to outside, and a trapping sectionthat is located below the junctionwith the connection tubeand traps the carbon nanomaterial that is separated from the mixture by gravitational sedimentation.

Apparatus for producing nanocarbon material and method for producing nanocarbon material

The present invention relates to a method for producing carbon nanotubes, comprising a synthesis step of synthesizing carbon nanotubes on a support on which a catalyst is supported by flowing a source gas consisting of acetylene, carbon dioxide, and an inert gas over the support, wherein in the source gas, a partial pressure of the acetylene is 1.33&#xd7;10to 1.33&#xd7;10Pa, a partial pressure of the carbon dioxide is 1.33&#xd7;10to 1.33&#xd7;10Pa, and a partial pressure ratio of the acetylene to the carbon dioxide (acetylene/carbon dioxide) is in the range of 0.1 to 10.

Growing community of inventors

Tsukuba, Japan

Eisuke Haba