Sentences with phrase «electrocatalysts with»

Scientists around the world, including those at PNNL, will continue using the principles described in this review to design molecular electrocatalysts with earth - abundant metals.

For the former, they deposited layers of cobalt and phosphorus or nickel and iron onto P - LIG to make a pair of electrocatalysts with high surface areas that proved to be durable and effective.

With a deep understanding of the mechanisms of electrode reactions in DMFCs, the researchers designed and produced noble metal - based heterogeneous electrocatalysts with enhanced catalytic activity and high selectivity for MOR and ORR.

This approach to synthesizing the material is a significant advance towards realizing electrocatalysts with superior catalytic properties and lower cost.

Not exact matches

But these fuel cells require an electrocatalyst — a platinum surface — to increase the reaction rate, and the cost of the precious metal makes it hard for hydrogen fuel cells to compete economically with the internal combustion engine.

Encouragingly, the DMFCs operated extremely well with high - concentration methanol as fuel by sufficiently making use of the structural uniqueness and electronic coupling effects among the different domains of the noble metal - based heterogeneous electrocatalysts.

Working with FENG Yan, a doctoral student, and LIU Hui, an assistant professor, YANG used selective electrocatalysts to run a DMFC at methanol concentrations up to 15 M, an alternative method for solving the methanol crossover in DMFCs.

Recently, his group has developed a number of high - performance electrocatalysts made with non-precious metal oxide or nanocrystals hybridized with carbon nanotubes.

The new flow battery developed by the Harvard team already performs as well as vanadium flow batteries, with chemicals that are significantly less expensive, and with no precious metal electrocatalyst.

A team at Rice University has used nitrogen - doped graphene quantum dots to create ethylene and ethanol, with stability and efficiency close to that of electrocatalysts like copper.

In JCAP, Dr. Ager is investigating interactions of carbon - based supports with CO2 - reduction electrocatalysts.

«Molecular Electrocatalysts for Oxidation of Hydrogen Using Earth - Abundant Metals: Shoving Protons Around with Proton Relays.»

Within JCAP, Dr. Haber's research focus surrounds the application of high - throughput methods to integrate promising lead materials into functional assemblies, such as integration of electrocatalyst libraries with light absorbers to produce functional photoanode and photocathode assemblies.

The new material examined in this study is an iron - nitrogen - carbon (Fe - N - C) electrocatalyst, synthesized with two nitrogen precursors that developed a hierarchical pore structure to expose a large fraction of the carbon surfaces to oxygen.

Current research activities include the synthesis and characterization of carbon - dioxide reducing electrocatalysts that are based on Earth - abundant metals and studies of the reaction kinetics of carbon - dioxide reduction with active catalysts.

Scientists at Rice University and the Lawrence Livermore National Laboratory have predicted and created new two - dimensional electrocatalysts — low - cost, layered transition - metal dichalcogenides (MX2) based on molybdenum and tungsten — to extract hydrogen from water with high performance and low cost.