Showing papers in "International Journal of Hydrogen Energy in 2016"

TL;DR: In this article, a review of the latest developments of metal hydrides for solid-state hydrogen storage applications is presented, which will be of interest to scientists, researchers, and practitioners in this field.

TL;DR: In this article, the authors provide an overall survey of the key technologies in hydrogen energy storage system, ranging from hydrogen production using both fossil fuels, biomass and electricity generated from renewable power sources, to hydrogen storage in both pressurised gas, liquefied and material-based methods, as well as associated electricity generation technologies using hydrogen.

TL;DR: In this paper, an overview of energy storage in renewable energy systems is presented, focusing on hydrogen, batteries, and flywheel storage technologies used in photovoltaic and wind power plants.

TL;DR: In this paper, an overview of the technology and its advantages and disadvantages compared with competitive technologies was revealed, and some possible solutions to the challenges were named for both the portable and stationary fuel cell applications.

TL;DR: In this article, both palladium and platinum catalysts used in the oxidation of ethanol and highlight the remaining problems in the field are discussed and a comparison of the two catalysts is made.

TL;DR: An overview of technologies for hydrogen production from fossil fuels with CO 2 capture is provided in this article, where purity requirements for the produced CO 2 and hydrogen are reviewed, and the few possible approaches are maximum on the pilot stage.

TL;DR: In this paper, the authors highlight the future prospects of nanoparticles in the context of the lubricant industry and highlight the use of nano-scale particles for enhancing certain properties, such as friction and wear resistance.

TL;DR: In this article, the authors present the current status on the understanding of the various operational aspects of high temperature proton exchange membrane fuel cells (HT-PEMFCs) and an overview of the common practices of their design and characterization techniques at single cell, stack and system levels.

TL;DR: In this paper, the fuel cell cost, durability and performances challenges associated with using of fuel cell technology for transport applications are detailed and reviewed, and recent developments that deal with the proposed challenges are reported.

TL;DR: An in-depth and critical review of different factors of the dark fermentation process namely H2-consumers and lactic acid bacteria in mixed microflora, light and heavy metal ions, furan derivatives and phenolic compounds, ammonia and H2 concentrations and soluble metabolites viz. acetic acid, ethanol, propionic acid and butyric acid is provided.

TL;DR: Algal biomass is attractive raw for biofuel production and does not require complex treatment methods in comparison with lignocellulose-enriched biomass, and many microalgae are mixotrophs, so they can be used as energy source and as sewage purifier simultaneously.

TL;DR: A review of the assumptions and derivation steps of the kinetic models, summarization of corresponding analysis methods, and introduction of some recently proposed kinetic models and analysis methods for hydrogen storage materials can be found in this paper.

TL;DR: In this article, an optimal energy management strategy for a low speed campus vehicle using stochastic dynamic programming (SDP) is proposed to increase the lifetime of the fuel cell by 14%, with only a 3.5% increase in fuel consumption.

TL;DR: In this paper, the authors analyzed the future demand of synthesised products with CO2, the availability of captured and anthropogenic CO2 and the overall CO2 not emitted because of the use of the CDU process, and the economics of the plant.

TL;DR: In this article, the most particular enhancement strategies of continuous hydrogen production are discussed to provide an up-to-date information about the latest developments made toward more viable applications, including pretreatment of the seed sludge, design/retrofitting of bioreactors, optimization of bioprocess parameters, reduction of H2 partial pressure, bioaugmentation, etc.

TL;DR: In this paper, the role of hydrogen in a future decarbonised Europe under two climate scenarios, current policy initiative (CPI) and long-term decarbonisation (CAP), is assessed.

TL;DR: In this article, the retention capabilities of this technique are shown through the present study which concerns the retention of a pharmaceutical compound, namely Diclofenac from aqueous solutions by adsorption onto activated carbon prepared from olive stones.

TL;DR: In this paper, a bibliometric analysis of the publications on various types of Na+ ion conducting electrolytes since 1990 shows a total of 200 + publications and reveals an exponential growth in the last few years, due to reasons that the sodium ion systems promise great potential as the future large scale power sources for variety of applications.

TL;DR: In this paper, the introduction of hydrogen fuel into the Malaysian transportation system for a sustainable and environmental future is discussed, and the Malaysian government climate road map and the emission reduction agenda are considered using a framework of environmental sustainability.

TL;DR: The proposed energy management strategy for high-power hybrid tramway will improve the hydrogen consumptions of overall hybrid system and the efficiencies of each power source.

TL;DR: In this article, the optimal design and operation of integrated wind-hydrogen-electricity networks using the general mixed integer linear programming energy network model, STeMES, is presented.

TL;DR: In this paper, the inlet boundary conditions at the entrance of the isolator and the jet-to-crossflow pressure ratio both have a large impact on the Ram-To-Scram mode transition.

TL;DR: In this article, the authors investigated various design and operating aspects for the valorization of industrially captured CO 2 towards methanol production and the circumstances under which this concept can be economically viable.

TL;DR: In this paper, an analytical hierarchy process is applied to compare Power-to-Gas with other energy storage technologies in applications ranging from residential load shifting to bulk energy storage and utility-scale frequency support.

TL;DR: In this paper, an indirect integration of a standard gas turbine cycle with an internal reforming solid oxide fuel cell (SOFC) system and bottoming organic Rankine cycle (ORC) is investigated thermodynamically and economically.

TL;DR: In this article, the authors compared the capacities and deliverabilities of hydrogen to established natural gas in a seasonal storage facility, on the basis of an estimated total volumetric capacity of 48MMm3, delivery pressures between 5 and 10 MPa and emptying period of 120 days for the Rough Gas Storage Facility (UK).

TL;DR: In this article, the authors confirmed that the structure of Ni/TiO2 catalyst has a significant effect on CO2 methanation and showed that the catalyst with Ni (111) as the principal exposing facet shows higher activity with higher methane selectivity.

TL;DR: In this paper, the authors present various possible applications for both merchant vessels and warships using fuel cells systems and show that low propulsion power requirements or the total demand for electricity can also be supplied on ships equipped with electric propulsion by means of fuel cells.

TL;DR: In this article, a NiCe@m-SiO 2 yolk-shell framework catalyst was prepared by using the CeO 2 modified Ni nanoparticles as the core and the mesoporous SiO 2 as the shell.

TL;DR: In this article, the current situation of the three main fields of the Hydrogen Economy: production, distribution and uses are analyzed and some considerations and suggestions for action are provided, and the strategy for introduction should be planned not in terms of confrontation with the other energy vectors but in term of convergence and synergies search.