Sentences with phrase «in fuel cell catalysts»

Creating bare, two - metal particles provides insights into potential substitutes for costly platinum in fuel cell catalysts

Not exact matches

Despite decades of research, hydrogen fuel cells have failed to replace combustion engines in cars, thanks in large part to the cost of their platinum catalysts, says Signe Kjelstrup at the Norwegian Academy of Science and Letters in Oslo.

One research group has found that an iron - based catalyst works just as well as the platinum catalysts used in fuel cells today.

The work, which appears in the November 27, 2014, edition of Science Express, points to new avenues for producing single - site supported gold catalysts that could produce high - grade hydrogen for cleaner energy use in fuel - cell powered devices, including vehicles.

«The type of catalyst we are studying is the one that will be needed in these fuel cells.»

Although the catalyst does produce oxygen from water, it does not produce hydrogen gas (H2) that can be burnt in a fuel cell.

«While this catalyst combination has been used previously in aerobic oxidations, we didn't know if it would be a good fuel cell catalyst,» Stahl says.

The team in Bochum and Mülheim focused nevertheless on a new strategy to accommodate sensitive catalyst to the working conditions of standard fuel cells.

There's also interest in using metal catalysts to convert carbon dioxide into fuels, make fertilizers from atmospheric nitrogen and drive reactions in fuel - cell cars.

A kind of buffer protects the catalysts against the hostile conditions encountered in fuel cells, which have been to date dismissed utilization.

Platinum is used as a catalyst in many clean energy processes, including in catalytic converters and fuel cells.

Reducing the platinum in fuel - cell catalysts could help bring hydrogen - powered vehicles to the mass market

Many commercial catalysts for fuel cells contain the precious metal platinum, which aside from being expensive, is too rare to support ubiquitous use in vehicles.

Platinum is the most common catalyst in the type of fuel cells used in vehicles.

A raft of laboratories and businesses, however, are determined to cut costs by replacing one of the most expensive components in the fuel cells: the catalyst.

In April his group described an enhanced iron - based catalyst for fuel cells.

Such qualities make them suitable for storing electric charge in batteries and supercapacitors, and as catalysts in solar and fuel - cell electrodes.

Platinum is used as a catalyst in fuel cells, in automobile converters and in the chemical industry because of its remarkable ability to facilitate a wide range of chemical reactions.

Efficient, robust and economic catalyst materials hold the key to achieving a breakthrough in fuel cell technology.

«The catalyst we studied is the fastest of its type with hydrogen, but it still isn't fast enough to put in a fuel cell and drive down the road,» said Dr. Wendy Shaw, a biophysical chemist at PNNL.

She has extensive research experience in the development and application of novel electron microscopy techniques for energy materials, such as lithium ion battery materials and fuel cell catalysts.

Platinum is used as a catalyst in many clean energy systems, including in catalytic converters and fuel cells.

Posted on 28 February 2013 in Catalysts, Fuel Cells, Hydrogen Production, Hydrogen Storage, Methanol Permalink Comments (2)

Because of its outstanding performance as a catalyst, platinum plays a major role in fuel cells.

It will focus on catalyst development for four applications: proton exchange membrane fuel cells to convert stored energy in non-fossil fuels into electricity; electrolysers for splitting water into oxygen and hydrogen — a potential clean fuel cell source; syngas, a mixture of CO and H2, which is generated from coal, gas and biomass, and widely used as a key intermediate in the chemical industry; and lithium - air batteries.

Further, the new hollow structure continues to work far longer in operating fuel cells than traditional catalysts.

Jülich, 16 June 2013 — Efficient, robust and economic catalyst materials hold the key to achieving a breakthrough in fuel cell technology.

LOS ALAMOS, N.M., Aug. 3, 2017 — In order to reduce the cost of next - generation polymer electrolyte fuel cells for vehicles, researchers have been developing alternatives to the prohibitively expensive platinum and platinum - group metal (PGM) catalysts currently used in fuel cell electrodeIn order to reduce the cost of next - generation polymer electrolyte fuel cells for vehicles, researchers have been developing alternatives to the prohibitively expensive platinum and platinum - group metal (PGM) catalysts currently used in fuel cell electrodein fuel cell electrodes.

Aizenberg's team is currently focusing on developing next - generation catalysts for a number of applications — from clean air technologies and catalytic converters to advanced electrodes for catalytic fuel cells — hoping to test their designs soon in real world systems.

«With both this performance and the atomic visualization of the reaction sites, we are closing the gap to replace platinum with a high - performance catalyst poised to be scaled up for potential application in fuel cells for automotive applications,» said Karren More, ORNL microscopy team lead.

Dr. Colón - Mercado has a background in electrochemistry with extensive experience studying platinum group metal (PGM) catalyst degradation, the development of non-PGM catalysts for polymer electrolyte membrane fuel cells (PEMFCs), and alternate cathode materials for molten carbonate fuel cells.

But alternatives to the expensive platinum catalyst in today's fuel cells haven't emerged because scientists still don't fully understand the complicated chemistry required to produce protons and electrons from fuels.

The Daihatsu FC ShoCase is believed to be the first fuel - cell vehicle to employ the auto maker's hydrazine - hydrate technology, which, according to researchers, has potential to substantially reduce fuel cell costs by virtually eliminating platinum and other precious metals in the electrode catalyst.

2012 Wimmer RS Porsche 911 GT2 RS (1,020 hp), 0 to 120 mph in just 8.7 sec Tuning of the engine was done in - house featuring, two optimized Wimmer turbochargers, an upgraded air induction system, sports camshafts and crankshaft, timing chains, machined cylinder heads, pistons and connecting rods, a fuel pump unit, two manifolds with bypass and two 200 cell sport catalysts.

So, PNNL scientists combined two simple, inexpensive, metal - free catalysts to speed reactions in fuel cells.

Matt also has significant experience preparing and successfully prosecuting patent applications in many different fields, including automotive fuel cells and catalyst systems, ecofriendly polymers, battery systems, treated textile chemistry, video surveillance technology, consumer electronics, computer software and database systems, and data processing systems.