Academic Articles & Research Papers

A DFT Study on the Electronic Structures and Conducting Properties of Rubrene and its Derivatives in Organic Field-Effect Transistors

Abstract We systematically studied the electronic structures and conducting properties of rubrene and its derivatives reported recently, and disscussed the influences of electron-withdrawing groups and chemical oxidation on the reorganizati...

CoCO3 from one-step micro-emulsion method as electrode materials for Faradaic capacitors

Abstract Faradaic capacitor (FC) has been widely investigated during the past few decades, and dozens of prototypes have been proposed. However, it has not reached its full potential. In this work, we demonstrate a kind of FC comprising of ...

Enhanced Reversibility of Li‐Rich Binary Oxide Cathodes through Synergistic Interfacial Regulation for Improved Charge Transfer Kinetics at High Depth of Charge/Discharge

Lithium‐rich manganese‐based oxides are accepted as a promising cathode material for high‐energy density batteries. However, they suffer from irreversible structural transformations and detrimental interfacial reactions, especially under de...

Catalytic effect comparison of TiO2 and La2O3 on hydrogen storage thermodynamics and kinetics of the as-milled La-Sm-Mg-Ni-based alloy

In this investigation, mechanical grinding was applied to fabricating the Mg-based alloys La7Sm3Mg80Ni10 + 5 wt.% M (M = None, TiO2, La2O3) (named La7Sm3Mg80Ni10–5 M (M = None, TiO2, La2O3)). The result reveals that the structures of as-mil...

Exact solution for bending analysis of functionally graded micro-plates based on strain gradient theory

In the present article, static analysis of thin functionally graded micro-plates, based on Kirchhoff plate theory, is investigated. Utilizing the strain gradient theory and principle of minimum total potential energy, governing equations of...

Improved Dehydrogenation Properties of 2LiNH2-MgH2 by Doping with Li3AlH6

Doping with additives in a Li-Mg-N-H system has been regarded as one of the most effective methods of improving hydrogen storage properties. In this paper, we prepared Li3AlH6 and evaluated its effect on the dehydrogenation properties of 2L...

Elements of materials science and engineering

1. Introduction to Materials Science and Engineering. Materials and Civilization. Materials and Engineering. Structure/Properties/Performance. Types of Materials. Summary. Key Words. Practice Problems. Test Problems. 2. Atomic Bonding and C...

Advances in Energy, Environment and Materials Science

The International Conference on Energy, Environment and Materials Science (EEMS2015) was held in Guangzhou, China, from August 25 - 26, 2015. EEMS2015 provided a platform for academic scientists, researchers and scholars to exchange and sha...

Effect of Welding Heat Input on Microstructure and Low-Temperature Toughness of Laser-Arc Hybrid Welded Super-Duplex Stainless-Steel Joints

This paper studies the effect of welding heat input on microstructure and low-temperature toughness of laser-arc hybrid welded (LAHW) SAF2507 super-duplex stainless-steel (SDSS) joints. Heat input was adjusted from 0.204 to 0.407 kJ/mm by c...

The first observation of Ni nanoparticle exsolution from YSZ and its application for dry reforming of methane

Ni nanocatalysts produced through exsolution have shown strong resistance to particle sintering and carbon coking in a beneficial dry reforming of methane (DRM) reaction utilizing greenhouse gases such as CH4 and CO2. However, most of the e...

Improvement in energy absorption properties of aluminum foams by designing pore-density distribution

In the present work, effect of structural design on the mechanical properties of aluminum foams was studied. Aluminum foams with a relative density in the range of 0.28–0.48 with uniform and graded pore frequency were fabricated through pow...

Speciation of Ruthenium(III) Chloro Complexes in Hydrochloric Acid Solutions and Their Extraction Characteristics with an Amide-Containing Amine Compound

The refining of platinum group metals is based mainly on solvent extraction methods, whereas Ru is selectively recovered by distillation as RuO4. Replacement of distillation by extraction is expected to simplify the purification process. To...

Carbon dioxide uptake in a eutrophic stratified reservoir: Freshwater carbon sequestration potential

Carbon capture and storage due to photosynthesis activities has been proposed as a carbon sink to mitigate climate change. To enhance such mitigation, previous studies have shown that freshwater lakes should be included in the carbon sink, ...

THE APPLICATION OF SOLAR ENERGY IN ROMANIA’S AUTOMOTIVE FIELD

Romania's automotive sector is experiencing an evolution towards sustainable transport, with an increasing interest in incorporating solar power technology into vehicles. This article examines the present state of solar power use in Roman...

INVESTMENTS FOR A SUSTAINABLE ENERGY FUTURE

Taking into account that today the consumption of energy has grown six times since half a century ago, investments are needed for diversifying the sources of energy consumption and raising the efficiency of energy use. In this article autho...

The use of plant waste to ensure the functioning of agricultural energy complexes

RELEVANCE. Agricultural enterprises generate vegetable waste, which is difficult to utilize. Such waste can be used for combustion in boilers, providing thermal and electric energy to an agricultural energy complex. A hybrid mini-thermal po...

Role of Buffer Layers in Defect Chemistry and Parasitic Phase Formation of BiFeO3 Films on Silicon

Economical analysis of FV power plants according installed performance

According prognosis of future development of power capacities in Slovakia till 2030 there is assumed increasing of the electricalenergy volume, produced from renewable energy sources from present 260 MW approximately to 2100 MW (Petrovič, 2...

A Hybrid Power Plant Based on Renewables and Electrochemical Energy Storage and Generation Systems for Decentralized Electricity Supply of the Northern Territories

The goal of this paper is to present hybrid power plant based on photovoltaic panels, wind turbine and electrochemical energy storage and generation systems for decentralized power supply of the customers located remotely in northern territ...

Anaerobic Digestion, Codigestion of Food Waste, and Chicken Dung: Correlation of Kinetic Parameters with Digester Performance and On-Farm Electrical Energy Generation Potential

Valorization of agro-food waste through anaerobic digestion (AD) is gaining prominence as alternative method of waste minimization and renewable energy production. The aim of this study was to identify the key parameters for digester perfor...