Sentence examples for expensive precious from inspiring English sources

Fuel cells contain expensive precious metals like platinum and palladium.

But the need to use expensive precious metals like platinum and rare earth elements in some fuel cells, and corrosive materials in others, has kept costs high and shortened their longevity.

As compared to conventional fuel cells, BESs operate under relatively mild conditions and do not use expensive precious metals as catalysts.

Pd bimetallic alloys are promising catalysts, especially for heterogeneous reactions involving hydrogen, as they exhibit increased activity and reduced demand for expensive precious metals.

However, hydrogen gas production by water electrolysis often requires expensive precious metals to reduce cathodic overpotentials.

In order to use H2 as a clean source of electricity, prohibitively rare and expensive precious metal electrocatalysts, such as Pt, are often used to overcome the large oxidative voltage required to convert H2 into 2 H+ and 2 e−.

This is partially due to the involved clean-room processes, but also due to the fact that these devices generally rely on expensive precious-metals such as Pd and Pt.

For promoting the development of fuel cells and metal-air batteries, it is imperative to replace rare and expensive precious-metal catalysts with sustainable catalysts composed of earth-abundant elements.

(They are considerably less expensive than precious metals because despite the names, they are found in much higher quantities and much greater concentrations than precious metal).

The chef is Neal Harden, formerly of the expensive, and precious, Pure Food and Wine, in Gramercy.

Microreactors have the advantage of using very small volumes making them ideal for high-throughput applications for synthesis or assembly of expensive or precious materials at low volume.