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Exergetic Aspects of Hydrogen Energy Systems—The Case Study of a Fuel Cell Bus

Abstract: Electrifying transportation is a promising approach to alleviate climate change issues arising from increased emissions. This study examines a system for the production of hydrogen using renewable energy sources as well as its use in buses. The electricity requirements for the production of hydrogen through the electrolysis of water, are covered by renewable energy sources. Fuel cells are being used to utilize hydrogen to power the bus. Exergy analysis for the system is carried out. Based on a steady-state model of the processes, exergy efficiencies are calculated for all subsystems. The subsystems with the highest proportion of irreversibility are identified and compared. It is shown that PV panel has exergetic efficiency of 12.74%, wind turbine of 45%, electrolysis of 67%, and fuel cells of 40%.

17 February 2017 at 18:56

CertifHy Succeeds in Establishing the first EU-wide Guarantee of Origin for Green Hydrogen

The CertifHy Project, that is run by HINICIO, has finalized its work on developing a framework of the first EU-wide guarantees of origin (GO) for Green Hydrogen. At the CertifHy event on 19th October 2016 in Brussels the CertifHy consortium presented the project results and next steps to a large audience, consisting of leading industry, policy makers, industry associations and a standardization body. Additionally, speakers from a wide-range of international leading organizations such as European Commission, FCH JU (Fuel Cell and Hydrogen Joint Undertaking), Hydrogen Europe, Air Liquide, BMW, Hydrogenics, Ekoenergy, Association of Issuing Bodies, Linde and Uniper looked at the topic from different point of views.

14 November 2016 at 10:33

Power-to-Gas, Roadmap for Flanders

In this project, that has been running in 2014-2015, a consortium of eight Flemisch industrial partners has analysed the different Power-to-Gas options available today. Business cases for various valorisation pathways for hydrogen, produced from renewable energy sources, have been evaluated with an outlook to 2030-2050. Recommendations were formulated about how the Flemish industry can position itself in this future promising market (in Flanders and worldwide).

17 October 2016 at 12:07

Industrial-scale hydrogen storage on trial

EUROPE: Hydrogen systems supplier Hydrogenics is taking part in pilots across Europe to demonstrate the potential for hydrogen electrolysers for grid balancing and renewables integration.

14 October 2016 at 09:24

Flexibility at all costs?

In a future where our energy increasingly comes from renewables, flexible production is one of the key assets for facing these challenges, but flexibility solutions all come with a cost both energetic and financial, writes Filip van den Borre

13 October 2016 at 15:09

Zero-emission air transport – first flight of four-seat passenger aircraft HY4

On 29 September 2016, the HY4 aircraft took off on its first official flight from Stuttgart Airport. The HY4 is the world’s first four-seat passenger aircraft powered solely by a hydrogen fuel cell system. Researchers from the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) developed the aircraft’s power train and worked on the project with industry and research partners.

3 October 2016 at 09:08

Hydrogen drives Europe towards emissions-free transport

A clean revolution is quietly taking place on Europe’s roads. Hydrogen fuel cells are powering fleets of public buses and refuelling stations are being deployed. Building on the results of several pilot projects, uptake of the technology is accelerating rapidly, putting hydrogen fuel cells in a position to underpin zero-emissions transport Europe-wide.

13 September 2016 at 15:25

Power-to-gas: The other storage solution

Wind power has a problem — like all intermittent sources of power it’s hard to store for long periods of time. That means not only can it be ‘lost’ but also that if the wind stops blowing for a week or so then we’re forced back to gas. This is one of the main arguments used by proponents of nuclear power, for example. Well, what if there were a way to capture surplus wind power energy when it’s especially gusty and save it for times when the winds are weak? No, I’m not talking about batteries.

7 September 2016 at 09:48

Renewable power-to-gas to decarbonise the transport sector

As an expert company providing consultancy in technologies and markets for energy transition, ENEA carried out a study for the IEA-RETD on the potential of renewable power-to-gas for the non-individual road transport sector. Indeed, mobility is the most viable market for power-to-gas, as shown in one of ENEA’s previous study. Here the study goes through an analysis of mobility uses and technology paths, TCO (Total Cost of Ownership) modeling and policy measures in order to provide recommendations on the potential of renewable power-to-gas mobility and on strategies and policy support to be set up to foster its development at large scale.

5 August 2016 at 14:21