Kyushu University

Mitsubishi Gas Chemical Company, Inc.

Ricoh Company, Ltd.

Toyota Jidosha Kabushiki Kaisha

Sumitomo Electric Industries, Limited

Nissan Chemical Industries Limited

Charles Metallic & Solar Materials Co., Ltd.

I & T New Materials Co., Ltd.

Tatsumi Ishihara

Masatoshi Majima

Naoki Ito

Kenji Kato

Yasuhiro Suzuki

Norikazu Okuda

Nobuaki Onagi

Eiko Hibino

Ken-ichi Kimizuka

Ken Tasaki

Naho Mizuhara

Chihiro Hiraiwa

Takahiro Higashino

Hiromasa Tawarayama

Okitoshi Kimura

Nobuhide Miyachi

Yohei Noda

Susumu Okada

Hisamitsu Kamezaki

Hiroshige Matsumoto

Katsuhiro Iura

Shigeru Mitsui

Kohei Shigeta

Shunji Hasuo

It is desired to develop a method of producing hydrogen peroxide, which is capable of producing hydrogen peroxide with high production efficiency. According to the present invention, provided is a palladium-containing composition comprising palladium particles and a coating agent that coats the surface of the palladium particles, wherein a compound having an O═X structure (wherein X represents any of a phosphorus atom, a sulfur atom, and a carbon atom) is comprised as the coating agent.

Palladium-containing composition and hydrogen peroxide production method

An electrode for a power storage device includes a non-woven fabric current collector that comprises short fibers of aluminum or copper having an average length of 25 mm or less; and adsorbent material powder on which electrolyte ions are adsorbed during charging or active material powder which chemically react during charging and discharging, where the powder exists in the gaps formed between the short fibers of the non-woven fabric current collector.

Electrode for power storage devices and method of manufacturing the same

Provided are a membrane electrode assembly, including a solid electrolyte layer, an anode layer provided on one side of the solid electrolyte layer, and a cathode layer provided on the other side of the solid electrolyte layer, the anode layer being stacked on the solid electrolyte layer to be pressed thereagainst, the anode layer including a porous anode member having electrical conductivity; and a method for manufacturing the same.

Membrane electrode assembly, method for manufacturing membrane electrode assembly, fuel cell, and method for manufacturing fuel cell

An object of the present invention is to provide a method by which hydrogen peroxide can be produced at a satisfactory level from an industrial and economical viewpoint without causing the load of purification to be large and without needing too large facilities for production. The present invention is directed to a method for producing hydrogen peroxide, which comprises reacting hydrogen and oxygen in a reaction medium in the presence of a noble metal catalyst and a radical scavenger.

Method for producing hydrogen peroxide

To provide a nonaqueous electrolytic capacitor element, which contains: a positive electrode containing a positive electrode active material capable of intercalating or deintercalating anions; a negative electrode containing a negative electrode active material; and a nonaqueous electrolyte, which contains a nonaqueous solvent, an electrolyte salt containing a halogen atom, and a compound having a site capable of bonding to an anion containing a halogen atom.

Nonaqueous electrolytic capacitor element

There is provided a lithium-air secondary cell having an air electrode, a negative electrode containing metal lithium or a lithium-containing material and a gel-form solid electrolyte, wherein the gel-form solid electrolyte contains a solid electrolyte salt, a solvent, and a specific lipid peptide-type gelator composed.

Metal-air cell provided with gel-form solid electrolyte

To provide a non-aqueous electrolyte storage element, including: a positive electrode which includes a positive-electrode active material capable of intercalating or deintercalating anions; a negative electrode which includes a negative-electrode active material capable of storing or releasing metallic lithium or lithium ion, or both thereof; a first separator between the positive electrode and the negative electrode; and a non-aqueous electrolyte which includes a non-aqueous solvent and a lithium salt dissolved in the non-aqueous solvent, wherein the non-aqueous electrolyte storage element includes a solid lithium salt at 25&#xb0; C. and a discharge voltage of 4.0 V, wherein the non-aqueous electrolyte storage element includes an ion-exchange membrane between the first separator and the positive electrode, between the first separator and the negative electrode, or between the first separator and the positive electrode and between the first separator and the negative electrode.

Non-aqueous electrolyte storage element

A proton conductive electrolyte () is made of ABMOstructure perovskite, and is characterized in that: the B is Ce; the M is a metal having valence that is smaller than +4; and an average of an ion radius of the M is less than an ion radius of Tmand more than 56.4 pm.

Proton conducting electrolyte and electrochemical cell using same

Growing community of inventors

Fukuoka, Japan

Tatsumi Ishihara