Carrier Corporation

Audi Ag

Utc Fuel Cells, LLC

Utc Power Corporation

Jared B Hertzberg

Ned Emidio Cipollini

Thomas D Jarvi

James A Leistra

Michael L Perry

David A Condit

Sergei F Burlatsky

Sathya Motupally

Wayde R Schmidt

Joseph J Sangiovanni

Timothy N Obee

Thomas Harry Madden

Stephen O Hay

Timothy W Patterson

Sunita Satyapal

Sonia Tulyani

Richard Meinzer

Sharmista Chatterjee

Harvey Michels

Chi H Paik

Stephan O Hay

Tomothy N Obee

A membrane electrode assembly includes an anode including a hydrogen oxidation catalyst; a cathode; a membrane disposed between the anode and the cathode; and a peroxide decomposition catalyst positioned in at least one position selected from the group consisting of a layer between the anode and the membrane and a layer between the cathode and the membrane wherein the peroxide decomposition catalyst has selectivity when exposed to hydrogen peroxide toward reactions which form benign products from the hydrogen peroxide. The peroxide decomposition catalyst can also be positioned within the membrane. Also disclosed is a power-generating fuel cell system including such a membrane electrode assembly, and a process for operating such a fuel cell system. The assembly components contain ionomer material which can be perfluorinated or non-perfluorinated, high temperature, hydrocarbon, and the like.

Membrane electrode assemblies with hydrogen peroxide decomposition catalyst

A method for making a membrane electrode assembly includes the steps of providing a membrane electrode assembly including an anode including a hydrogen oxidation catalyst; a cathode; a membrane disposed between the anode and the cathode; and depositing a peroxide decomposition catalyst in at least one position selected from the group consisting of the anode, the cathode, a layer between the anode and the membrane and a layer between the cathode and the membrane wherein the peroxide decomposition catalyst has selectivity when exposed to hydrogen peroxide toward reactions which form benign products from the hydrogen peroxide. The peroxide decomposition catalyst can also be positioned within the membrane. Also disclosed is a power-generating fuel cell system including such a membrane electrode assembly, and a process for operating such a fuel cell system.

Method for preparing membranes and membrane electrode assemblies with hydrogen peroxide decomposition catalyst

A membrane electrode assembly includes an anode, a cathode, a membrane disposed between the anode and the cathode, and an extended catalyzed layer between the cathode and the membrane, the extended catalyzed layer being adapted to consume oxygen and decompose hydrogen peroxide to produce water.

Extended catalyzed layer for minimizing cross-over oxygen and consuming peroxide

A membrane electrode assembly includes an anode; a cathode; a membrane disposed between the anode and the cathode; and an extended catalyzed layer between the membrane and at least one electrode of the anode and the cathode. The extended catalyzed layer includes catalyst particles embedded in membrane material and preferably includes a first plurality of particles which are electrically connected to the at least one electrode. The extended catalyzed layer may further preferably have a second plurality of particles which are electrically disconnected from the at least one electrode.

Extended electrodes for PEM fuel cell applications

Spherical () or cylindrical () electrodeless ultraviolet lamps are used to remediate fluid, directly or by excitation of ultraviolet-activated photocatalyst surfaces, which may be on the lamps themselves, or on structures which are permeable by the fluid. The lamps may be excited in cavities () by microwave energy from a magnetron (), or by radio frequency power () inductively coupled () to the lamps. The lamps () may have start-up electrodes ().

Electrodeless ultraviolet discharge fluid remediation

A membrane electrode assembly includes an anode including a hydrogen oxidation catalyst; a cathode; a membrane disposed between the anode and the cathode; and a peroxide decomposition catalyst positioned in at least one position selected from the group consisting of the anode, the cathode, a layer between the anode and the membrane and a layer between the cathode and the membrane wherein the peroxide decomposition catalyst has selectivity when exposed to hydrogen peroxide toward reactions which form benign products from the hydrogen peroxide. The peroxide decomposition catalyst can also be positioned within the membrane. Also disclosed is a power-generating fuel cell system including such a membrane electrode assembly, and a process for operating such a fuel cell system.

A biosensor provides for real time monitoring a selected aspect of an air conditioning or a refrigeration process and system. The biosensor includes a biocomponent element carrying a bioagent operative to detect one or more analytes indicative of the selected aspect of the climate control process to be monitored.

Biosensors for monitoring air conditioning and refrigeration processes

Growing community of inventors

Hyattsville, MD, United States of America

Jared B Hertzberg