Mitsubishi Materials Corporation

Masahiro Wada

Koji Hoshino

Hiroki Ueno

Takeshi Isobe

Toshiharu Hayashi

Komei Kato

Shinichi Ohmori

Takumi Shibuya

Sakae Akiyama

Tetsuji Tsujimoto

Reiko Izumi

Kenji Orito

Takuya Murai

Yoshitaka Mayuzumi

Katsuo Sugahara

Saburou Wakita

Yoshio Takizawa

Eiko Kanda

Kazuichi Hamada

Kouichi Kita

An apparatus for producing a porous body that forms an expandable slurry containing at least inorganic powder, a foaming agent, and a binder into a sheet, causes the expandable slurry sheet to be foamed and baked, and thereby produces the porous body, the apparatus includes: a mixer preparing the expandable slurry by containing inorganic powder, a foaming agent, and a binder; a die-coater that has a discharge opening which discharges the expandable slurry provided from the mixer to an external thereof so as to shape the expandable slurry into a sheet; and a carrier sheet arranged so as to face the discharge opening of the die-coater with a gap interposed therebetween, and feeding the expandable slurry discharged from the discharge opening, wherein a flow path of the expandable slurry from inside the mixer to the discharge opening of the die-coater is hermetically sealed from an outside.

Method for producing porous body

Apparatus for producing porous body and method for producing porous body

A composite porous body, a gas diffusion layer member of a polymer electrolyte fuel cell, a cell member for the polymer electrolyte fuel cell, and manufacturing methods thereof are provided. The composite porous body is a metallic composite porous body in which a sheet-like metal portion composed of a composite porous body having a three-dimensional mesh structure and a resin portion extending in an in-plane direction of the metal portion are integrally formed with each other. The gas diffusion layer member of a polymer electrolyte fuel cell is composed of a composite porous body in which a sheet-like metal portion composed of a composite porous body having a three-dimensional mesh structure and a resin portion extending in an in-plane direction of the metal portion are integrally formed with each other. Also, the gas diffusion layer member of a polymer electrolyte fuel cell has a separator plate, and the conductive porous body placed on at least one surface of the separator plate. A resin frame is integrally provided so as to cover the peripheries of separator plate and the conductive porous body.

Composite porous body, gas diffusion layer member, cell member, and manufacturing method thereof

Porous titanium having a low contact resistance includes porous titanium body, Au, and Ti oxide layer (). Porous titanium includes continuous holes () opening on a surface and being connected to inner holes and a skeleton (). Au adheres to at least an outer skeletal surface () of the porous titanium via diffusion bonding to form a network structure. The Ti oxide layer () is formed in a clearance between adjacent Au cords () of the Au network sticking. The width of an Au cord () of the Au network is 0.3 to 10 &#x3bc;m at least at one position; and the thickness of the Ti oxide layer (), which is formed in the clearance between adjacent Au cords () of the Au network is 30 to 150 nm.

Porous titanium having low contact resistance

A spongy sintered article of titanium or titanium alloy having a three-dimensional network structure in which continuous pores opening to a surface and continuing with internal pores are formed, and having a porosity of 50 to 98%, the spongy sintered article having a composition consisting of 0.1 to 0.6% by mass of carbon and a remainder containing titanium and inevitable impurities, the inevitable impurities having an oxygen content limited to not more than 0.6% by mass, and the spongy sintered article exhibiting an excellent compression strength.

Spongy sintered article of titanium or titanium alloy exhibiting excellent compression strength

A high strength spongy sintered metal composite sheet comprising a porous spongy sintered metal layer having continuous holes, and a high strength sintered, dense metal reinforcing layer having a porosity smaller than the porosity of the spongy sintered metal layer, laminated thereon, wherein the sintered, dense metal reinforcing layer has a thickness of 0.5-30% thickness with respect to the entire high strength spongy sintered metal composite sheet.

High strength spongy sintered metal composite sheet and production method thereof

A Ni based hydrogen occluding alloy having the composition, comprising: by weight:

Hydrogen occluding alloy

The present invention provides a hydrogen occluding alloy exhibiting high hydrogen absorption and desorption rates, and excellent initial activation in practical use, and a method of making it. There is provided a hydrogen occluding alloy having a composition comprising, by wt %, 32 to 38% of rare earth elements essentially consisting of La and/or Ce, 0.5 to 3.5% of Al, 0.5 to 10% of Mn, 0.005 to 0.5% of hydrogen, optionally 0.1 to 17% of Co, and the balance being Ni and unavoidable impurities; wherein the alloy has a microstructure characterized in that fine rare earth element hydride is dispersively distributed in a matrix having a CaCu.sub.5 -type crystal structure in a ratio of 0.5 to 20% by area. There are also provided electrodes and batteries containing such alloys, and methods of making and using such electrodes and batteries.

Growing community of inventors

Ageo, Japan

Masahiro Wada