Results 1 to 10 of about 41,842 (165)

Photobiological hydrogen as a renewable fuel [PDF]

open access: yesThe Holistic Approach to Environment, 2021
The huge global energy consumption has raised concerns over the depletion in readily available conventional energy resources. Besides, there are harmful atmospheric effects of fossil fuels and the qualms of future energy resources.
Vidya Jose
doaj   +4 more sources

Production and Assessment of New Biofuels from Waste Cooking Oils as Sustainable Bioenergy Sources

open access: yesEnergies, 2022
In this study, renewable and sustainable biofuel production from waste cooking oil and its blends with diesel fuel are investigated in terms of specific fuel properties.
Hakan Caliskan   +2 more
doaj   +1 more source

Preparation and Characterization of Electrocatalyst Nanoparticles for Direct Methanol Fuel Cell Applications Using β-D-glucose as Protection Agent [PDF]

open access: yesHydrogen, Fuel Cell & Energy Storage, 2017
In this study, the activity, stability and performance of carbon supported platinum (Pt/C) electrocatalyst in cathode and carbon supported Pt and ruthenium (PtRu/C) electrocatalyst in anode of direct methanol fuel cell (DMFC) were studied.
Hossein Beydaghi   +4 more
doaj   +1 more source

Concerns on the Effects of Electrode Positions in Electrolyte Container for the Oxygen Evolution Reaction

open access: yesMolecules, 2023
Water electrolysis is currently a major technique to produce clean hydrogen, which is regarded as a promising and sustainable energy carrier. The efficiency of water electrolysis is highly dependent on the oxygen evolution reaction (OER) on the anode ...
Fan Zhang   +6 more
doaj   +1 more source

Study on Polymer Electrolyte Fuel Cells with Nonhumidification Using Metal Foam in Dead-Ended Operation

open access: yesEnergies, 2020
Portable power sources have attracted increasing interest and attention, with a focus on the reduction of the system volume. Thus, portable power sources often use polymer electrolyte fuel cell (PEFC) systems with dead-ended operation—which are ...
Myo-Eun Kim, Young-Jun Sohn
doaj   +1 more source

Renewable/Fuel Cell Hybrid Power System Operation Using Two Search Controllers of the Optimal Power Needed on the DC Bus

open access: yesEnergies, 2020
In this paper, the optimal and safe operation of a hybrid power system based on a fuel cell system and renewable energy sources is analyzed. The needed DC power resulting from the power flow balance on the DC bus is ensured by the FC system via the air ...
Nicu Bizon   +5 more
doaj   +1 more source

Improving the Fuel Economy and Battery Lifespan in Fuel Cell/Renewable Hybrid Power Systems Using the Power-Following Control of the Fueling Regulators

open access: yesApplied Sciences, 2020
In this study, the performance and safe operation of the fuel cell (FC) system and battery-based energy storage system (ESS) included in an FC/ESS/renewable hybrid power system (HPS) is fully analyzed under dynamic load and variable power from renewable ...
Nicu Bizon   +8 more
doaj   +1 more source

Synthesis and intensification of a biorefinery to produce renewable aviation fuel, biofuels, bioenergy and chemical products from Jatropha Curcas fruit

open access: yesIET Renewable Power Generation, 2022
The production of renewable aviation fuel has been explored in recent years considering different types of biomasses and several conversion pathways. The technical feasibility of the production of renewable aviation fuel has already been proved; however,
Araceli Guadalupe Romero‐Izquierdo   +3 more
doaj   +1 more source

Methanol Production in the Brayton Cycle

open access: yesEnergies, 2022
This article presents the concept of renewable methanol production in the gas turbine cycle. As part of the work, an analysis was performed, including the impact of changing the parameters in the methanol reactor on the obtained values of power, yield ...
Janusz Kotowicz   +3 more
doaj   +1 more source

Fish Waste: A Potential Source of Biodiesel

open access: yesFermentation, 2023
The continuously increasing energy requirement on one hand and the incessant depletion of non-renewable fossil fuels on the other urge us to focus on alternative renewable energy sources such as biofuels.
Vankara Anu Prasanna   +8 more
doaj   +1 more source

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