Other

Ngimat Co.

Mark Batich

Andrew Tye Hunt

Paul D Smith

William John Dalzell, Jr

Miodrag Oljaca

Stein S Lee

Peter W Faguy

Joanne Yardlyne Smalley

Charles McKendrie Quillian, V

William Hoos

Frank C Witbrod

William Harm

To form an ionomer-based catalytic layer on a porous substrate, a heat source () is used to dry an ionomer-containing spray () so that it does not substantially liquid flow on the substrate (). The ionomer spray () may contain a catalyst. A spray () of mixed material for forming the catalytic layer is entrained by a gas stream and is heated and directed to a substrate surface (). For hydrogen/oxygen fuel cells, catalytic material is incorporated into the proton-conducting membrane () to convert diffusing oxygen and hydrogen to water to reduce potential loss at the electrodes and maintain hydration of the proton-conducting membrane ().

Fuel cell membranes and catalytic layers

Tubular needles have a reduced inner diameter tip portion that increases back pressure behind the tip portion. This constricted tip portion promotes improved atomization, particularly when the liquid passes through the needle at near-supercritical conditions. A preferred method for constricting the inner diameter of a needle tip is to dip the dip of the needle in an electroless plating solution, such as an electroless nickel solution.

Narrow diameter needle having reduced inner diameter tip

Growing community of inventors

Roswell, GA, United States of America

Mark Batich