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Concept

Hydrogenics

Publications associées (29)

Solar-Driven High-Temperature Electrolysis Reactor for Fuel Processing : Modeling, Optimization, and Experimentation

Meng Lin

Solar-driven high-temperature electrolysis (HTE) and thermochemical cycles (TCC) are two promising pathways for fuel processing and energy storage, which are considered in this thesis. The goals of this thesis are: i) offering engineering guidelines at sys ...

EPFL2018

Recent progress for reversible homogeneous catalytic hydrogen storage in formic acid and in methanol

Gabor Laurenczy

Development of technologies using hydrogen as an energy carrier instead of fossil fuels is strongly required today. Especially, new, reversible, sustainable hydrogen storage technologies have received increasing attention. Formic acid (FA) and methanol (CH ...

Elsevier2018

Dealloying-directed synthesis of efficient mesoporous CoFe-based catalysts towards the oxygen evolution reaction and overall water splitting

Jie Zhang, Chaoqun Dong

It is a great challenge to design highly active, stable and low-cost catalysts for electrochemically splitting water to realize the clean energy generation and renewable energy storage. Herein, a facile one-step dealloying strategy was proposed to synthesi ...

Royal Soc Chemistry2017

Formic Acid as a Hydrogen Carrier for Fuel Cells Toward a Sustainable Energy System

Gabor Laurenczy

Formic acid is considered as one of the promising organic liquid hydrogen carriers for the next generation; it can offer a viable method for safe hydrogen transport. In this chapter, we introduce the potential of formic acid in terms of thermodynamics and ...

2017

Techno-economic modeling and optimization of solar-driven high-temperature electrolysis systems

Sophia Haussener, Meng Lin

We present a techno-economic analysis of solar-driven hightemperature electrolysis systems used for the production of hydrogen and synthesis gas. We consider different strategies for the incorporation of solar energy, distinguished by the use of differing ...

Pergamon-Elsevier Science Ltd2017

A facile nonpolar organic solution process of a nanostructured hematite photoanode with high efficiency and stability for water splitting

Yelin Hu

We present a facile nonpolar organic solution synthesis and processing method for water splitting photoanodes based on iron oxide with a relatively low sintering temperature (550 degrees C). The photocurrent of these photoanodes can reach 3.3 mA cm(-2) at ...

Royal Society of Chemistry2016

Cu2O Nanowire Photocathodes for Efficient and Durable Solar Water Splitting

Michael Graetzel, Jingshan Luo, Matthew Thomas Mayer, Marcel Roland Schreier, Ludmilla Steier, Minkyu Son

Due to its abundance, scalability, and nontoxicity, Cu2O has attracted extensive attention toward solar energy conversion, and it is the best performing metal oxide material. Until now, the high efficiency devices are all planar in structure, and their pho ...

American Chemical Society2016

Mass transport aspects of electrochemical solar-hydrogen generation

Sophia Haussener, Seyyed Mohammad Hosseini Hashemi, Miguel Antonio Modestino

The conception of practical solar-hydrogen generators requires the implementation of engineering design principles that allow photo-electrochemical material systems to operate efficiently, continuously and stably over their lifetime. At the heart of these ...

Royal Soc Chemistry2016

Solar-to-Hydrogen Production at 14.2% Efficiency with Silicon Photovoltaics and Earth-Abundant Electrocatalysts

Demetri Psaltis, Christophe Ballif, Christophe Moser, Matthieu Despeisse, Antonin Faes, Miguel Antonio Modestino, Jan-Willem Alexander Schüttauf, Enrico Chinello, David Lambelet

Affordable, stable and earth-abundant photo-electrochemical materials are indispensable for the large-scale implementation of sunlight-driven hydrogen production. Here we present an intrinsically stable and scalable solar water splitting device that is ful ...

Electrochemical Society2016