3m Innovative Properties Company

Cedric Bedoya

Moses Mekala David

Ta-Hua Yu

Andrew J L Steinbach

Krzysztof A Lewinski

Andrew T Haug

Amy E Hester

Grant M Thoma

David J Rowe

Mary I Buckett

Peter B Hogerton

Joseph M Pieper

Jiyoung Park

James A Phipps

Qihong Nie

Cemal S Duru

Amir Gharachorlou

Zhenhua Zeng

Jeffrey P Greeley

Andrew JL Steinbach

Paul T Engen

Donald J Mcclure

Catalyst comprising an Ir layer having an outer layer with a layer comprising Pt directly thereon, wherein the Ir layer has an average thickness in a range from 0.04 to 30 nanometers, wherein the layer comprising Pt has an average thickness in a range from 0.04 to 50 nanometers, and wherein the Pt and Ir are present in an atomic ratio in a range from 0.01:1 to 10:1. Catalysts described herein are useful, for example, in fuel cell membrane electrode assemblies.

Catalyst

Catalysts comprising a Ta layer having an outer layer with a layer comprising Pt directly thereon, wherein the Ta layer has an average thickness in a range from 0.04 to 30 nanometers, wherein the layer comprising Pt has an average thickness in a range from 0.04 to 50 nanometers, and wherein the Pt and Ta are present in an atomic ratio in a range from 0.01:1 to 10:1. Catalyst described herein are useful, for example, in fuel cell membrane electrode assemblies.

An article is provided that includes a substrate, a silicon containing layer on the substrate, and a layer including metallic Pt on the silicon containing layer. The silicon containing layer is a diamond-like glass layer. Optionally, the substrate is a porous membrane. In some cases, the silicon containing layer is a continuous layer.

Fluorinated membrane articles

Catalyst comprising a first layer having an outer layer with a layer comprising Pt directly thereon, wherein the first layer has an average thickness in a range from 0.04 to 30 nanometers, and wherein the layer. Catalysts described herein are useful, for example, in fuel cell membrane electrode assemblies.

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Woodbury, MN, United States of America

Cedric Bedoya