Results 71 to 80 of about 1,112,829 (215)

Tuning Ag Loading and Particle Size in Ag@g-C3N4 Photocatalysts for Selective CO2 Conversion to CO and CH4

open access: yesNanomaterials
Elucidating the mechanisms of CO2 photocatalytic conversion systems is crucial for tackling the challenges of carbon neutrality. In this study, a series of Ag@g-C3N4 photocatalysts were constructed with metal particle size modulation as the core strategy
Shicheng Liu, Na Li, Qulan Zhou
doaj   +1 more source

Elemental Mercury Removal over CeO2/TiO2 Catalyst Prepared by Sol–Gel Method

open access: yesApplied Sciences, 2020
Elemental mercury (Hg0) emitted from a coal-fired boiler is a serious menace and challenge to humans. Using high-efficiency CeO2/TiO2 catalysts to enhance the conversion from elemental mercury to oxidized mercury is a promising approach to reducing Hg0 ...
Qiang Lv   +4 more
doaj   +1 more source

Solar fuel production through concentrating light irradiation

open access: yesGreen Energy & Environment
The climate crisis necessitates the development of non-fossil energy sources. Harnessing solar energy for fuel production shows promise and offers the potential to utilize existing energy infrastructure.
Yiwei Fu   +4 more
doaj   +1 more source

Concentrating PV/T Hybrid System for Simultaneous Electricity and Usable Heat Generation: A Review

open access: yesInternational Journal of Photoenergy, 2012
Photovoltaic (PV) power generation is one of the attractive choices for efficient utilization of solar energy. Considering that the efficiency and cost of PV cells cannot be significantly improved in near future, a relatively cheap concentrator to ...
Longzhou Zhang   +4 more
doaj   +1 more source

Multiscale modeling for multiphase flow and reactive mass transport in subsurface energy storage: A review [PDF]

open access: yes
Modeling of multiphase flow and reactive mass transport in porous media remains a pivotal challenge in the realm of subsurface energy storage, demanding a nuanced understanding across varying scales. This review paper presents a comprehensive overview of
Voskov, Denis   +4 more
core   +1 more source

Practicalities and Driving Dynamics of a Real Driving Emissions (RDE) Euro 6 Regulation Homologation Test

open access: yesEnergies, 2019
One of the most important sources of air pollution, especially in urban areas, is the exhaust emissions from passenger cars. New European emissions regulations, to minimize the gap between manufacturer-reported emissions and those emitted on the road ...
Timothy Bodisco, Ali Zare
doaj   +1 more source

US energy flow, 1991 [PDF]

open access: yes, 1992
Trends in energy consumption and assessment of energy sources are discussed. Specific topics discussed include: energy flow charts; comparison of energy use with 1990 and earlier years; supply and demand of fossil fuels (oils, natural gas, coal ...
Borg, I. Y., Briggs, C. K.
core   +1 more source

Progress on Materials of Redox Flow Battery for Energy Storage [PDF]

open access: yes, 2011
Progress on Materials of Redox Flow Battery for Energy ...
张华民
core  

Energy management strategy for a hybrid micro‑grid system using renewable energy [PDF]

open access: yes
This paper introduces an energy management strategy for a hybrid renewable micro-grid system. The efficient operation of a hybrid renewable micro-grid system requires an advanced energy management strategy able to coordinate the complex interactions ...
Ndeke, Christian Bipongo   +2 more
core   +1 more source

Beyond Petroleum - Whither Nigeria?

open access: yesThe Proceedings of the Nigerian Academy of Science, 2019
Oil and Gas (Otherwise known as Petroleum) provide a vital contribution to the Global Energy mix. Economic development and progression are known to be symmetrically linked with increasing hydrocarbon consumption but there is increasing evidence of ...
Mufutau B. Oyeneyin
doaj   +1 more source

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