نتایج جستجو برای: hydrogen economy

تعداد نتایج: 238439  

Journal: :Transactions of the Korean hydrogen and new energy society 2014

2002
Ai-Quoc Pham Ervin See Dave Lenz Peter Martin

We are developing a novel high-efficiency, high-temperature steam electrolyzer. Although water or steam electrolysis is well known to be one of the cleanest ways to produce hydrogen, widespread utilization is hindered by high operational costs because of high electricity consumption. To decrease the electrical power input requirements in electrolysis, our approach uses natural gas as an anode d...

2005
Bjørn C. Hauback Hendrik W. Brinks Gwenaël Corbel Yvon Laligant François Goutenoire Emmanuelle Suard

The most important unsolved problem for the introduction of the Hydrogen Economy is efficient and safe storage of hydrogen. Alanates, compounds based on the AlH4 unit, are among the most promising metal hydrides for reversible hydrogen storage. The storage capacity is large, e.g. NaAlH4 can release 5.6 wt% hydrogen below 200 C. Work during the last years has revealed that Ti additives improve t...

2006
J. W. Phair S. P. S. Badwal

There is a global push to develop a range of hydrogen technologies for timely adoption of the hydrogen economy. This is critical in view of the depleting oil reserves and looming transport fuel shortage, global warming, and increasing pollution. Molecular hydrogen (H2) can be generated by a number of renewable and fossil-fuel-based resources. However, given the high cost of H2 generation by ren...

2006
Fritz B. Prinz Rainer Fasching

Introduction The economic production of hydrogen remains one of the key issues for realizing the hydrogen economy. In response to this challenge, Professors Swartz and Spormann, are pursuing biological production of hydrogen as part of the GCEP hydrogen initiative. Our team works with Professors Swartz and Spormann to develop nano scale sensors to better understand the electro-chemistry of hydr...

Journal: :Progress in energy 2023

Abstract Efficient storage of hydrogen is one the biggest challenges towards a potential economy. Hydrogen in liquid carriers an attractive alternative to compression or liquefaction at low temperatures. Liquid can be stored cost-effectively and transportation distribution integrated into existing infrastructures. The development efficient part work International Energy Agency Task 40: Hydrogen...

2017
Leonardo del Rosso Milva Celli Lorenzo Ulivi

Hydrogen storage is one of the most addressed issues in the green-economy field. The latest-discovered form of ice (XVII), obtained by application of an annealing treatment to a H2-filled ice sample in the C0-phase, could be inserted in the energy-storage context due to its surprising capacity of hydrogen physisorption, when exposed to even modest pressure (few mbars at temperature below 40 K),...

Journal: :IJCIS 2014
Stephen Airewe Adavbiele

Durable, location independent, environmental-friendly sources of energy which allow for modular, few moving parts, low operating noise, high electricity generation efficiency and compact technology are highly desirable. Solid oxide fuel cells (SOFC) are promising for such energy system development, since they are energy efficient and, if pure hydrogen is used, have virtually no emissions of gre...

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