Papers:
Novel Building Integrated Solar Concentrators
Chatten A.J., Farrell D.J., Bose R., Dixon A., Poelking C., Gödel K.C., Mazzer M., Barnham K.W.J., Imperial College London, US
In developed countries 60% of the electricity consumed is attributable to commercial and public buildings. Even in the UK, the solar energy incident on buildings is more than 7x the electrical energy they consume. This [...]
The characterization of p-GaAs/i-InGaAsN/n-GaAs hetero-junction solar cell with various DMHy flow rates
Since the high efficiency tandem solar cell sturcture has been reported, the conversion efficiency of triple-junction solar cells would achieve 40% with concentrator. To further enhance the conversion efficiency of solar cells, the fourth-junction is [...]
Catalytic Subcritical Hydropyrolysis of Waste Biomass into Gasoline Range Hydrocarbons
Catalytic aqueous phase reforming (CAPR) of the biomass has a great potential for the production of H2 and hydrocarbons. This study reports synthesis of novel nanoscale bifunctional catalytic material and its utilization in CAPR process [...]
Microwave-mediated Pyrolysis of Biomass
Gronnow M.J., Budarin V.L., Fan J., Shuttleworth P.S., MacQuarrie D.J., Clark J.H., Green Chemistry Centre of Excellence, UK
Biomass can be seen as the oil well of the future; a renewable, widely distributed resource that should be increasingly exploited for the production of heat and power, liquid fuels as well as chemicals and [...]
Mobile Wave Energy Harvesting System
Conventional approaches to harvesting energy from ocean waves and currents suffer from at least three major drawbacks: 1) expensive underwater power transmission cables, 2) storm damage susceptibility, and 3) energy output is not delivered at [...]
Offshore Wave and Wind Together – Afloat
Offshore wind and wave power are, or can be, remarkably complimentary. Given a stable floating platform to share, important economies of renewable power production and storage are possible. (A figure shows how wind and wave [...]
Offshore Renewable Resources – Improving the Cost-of-Energy
The U.S. has an abundance of wind and wave offshore resources suitable for industrial-scale power generation, the best resources are in deep waters. Cost-of-Energy (COE) is defined as Production Facility’s Total Costs (C) divided by [...]
Process-Fluid-Lubricated Polycrystalline Diamond Bearings for application in Marine Hydrokinetic Machines
Polycrystalline diamond thrust and radial bearings have proven to be successful in harsh environments, such as those encountered in down-hole oil and gas drilling tools. They are particularly well suited for applications where a harsh [...]
Synthesis and characterization of Silver doped TiO2 nano films for
Utilization of Solar Energy is based on the ability of semiconductor particles to function as photo catalysts by promoting various oxidation and reduction reactions under sunlight. For the improvement of its catalytic capability, Silver doped [...]
CIGS PV Power Enhancement from Photonic Crystal Fiber Concentrators
Two of the most promising means of reducing the cost per kilowatt of photovoltaic (PV) systems are: 1) to reduce the cost – which includes recent progress made in CIGS; and/or 2) to increase the [...]
Characterization of Microcrystalline and Amorphous Thin Film Silicon Devices with Raman Spectroscopy
Raman spectroscopy is highly sensitive to even slight changes in morphology of highly symmetrical, covalently bonded materials making it an ideal technique to characterize Silicon films. Furthermore, Raman spectroscopy is relatively insensitive to glass making [...]
Optical absorption enhancement of thin-film amorphous silicon induced by femtosecond laser pulses for solar cell fabrication
In this paper, we present a new method for direct-write laser fabrication of thin-film amorphous silicon (a-Si) on crystalline silicon substrate induced by femtosecond laser irradiation. Using megahertz frequency femtosecond laser pulses makes it possible [...]
Reduction of Collection Efficiency of Charge Carriers with Increasing Cell Size in Dye-Sensitized Solar Cell
Lee C-L, Lee W.H., Lee C-L, Lee W.H., Yang C-H, Yang H-H, Yang C-H, Yang H-H, National Cheng Kung University, TW
Changes in dye-sensitized solar cell performance related to active area size were investigated. The cell geometry was defined by introduction of a sub-electrode, which was uniform up to 4 cm2, and showed little change in [...]
SolarSlim: the thinnest Solar Thermal Panel ever
We research and produce a wide range of innovative solar thermal devices applying nanotechnology materials. We’re the proud manufacturers of THE THINNEST SOLAR THERMAL COLLECTOR, whose extraordinary size and efficiency allow its integration with solar/PV [...]
Design and Development of Photovoltaic Systems
Significant efforts have being concentrated on low-cost, efficient, renewable, sustainable, safe and portable energy sources and systems. Recently, different photovoltaic technologies, solar cells, energy storage and power electronics energy solutions have been emerged and under [...]
Grid-Connected Photovoltaic System Parity with PJM Generation
This research provides compelling economic and technical analysis of photovoltaic (PV) system performance in New Jersey and contrasts the generation availability marginal pricing on the world’s largest regional transmission organization (PJM). This analysis indicates that [...]
A Characteristic Analysis of Bio-ethanol produced on Fruit wastes for Direct Ethanol Fuel Cell (DEFC)
This Study is aimed to produce bio-ethanol based on the fruit wastes and optimize the bio-ethanol production for a direct ethanol fuel cell(DEFC). Fruit wastes such as pear, apple, persimmon were used in the conditions [...]
High-Power-Density Miniscale Renewable Energy Systems
This paper reports design, analysis, evaluations and characterization of miniscale self-sustained power generation systems. Our ultimate objective is to guarantee highly-efficient mechanical-to-electrical energy conversion, ensure premier wind- or hydro- energy harvesting capabilities, enable electric machinery [...]
Wind Mechanical Engineering: Energy for Water Pumping in Rural Areas in Sudan
The imminent exhaustion of fossil energy resources and the increasing demand for energy were the motives for those reasonable in Sudan to put into practice an energy policy based on rational use of energy; and [...]
Expermental Study of CH4/H2 Mixtures in Internal Combustion Engines
In this study, an experimental study on the performance of a spark ignition engine fuelled with CH4/ H2 mixtures (90%CH4 +10%H2 and80%CH4 +20%H2)was performed at different engine speed and different injection timing coefficient (ITC). This [...]
A Smarter Grid enables Communal MicroGrids
As policy makers seek to integrate a serious sociological and environmental issue into energy production, the typical utility is faced with not only technology upgrades, but also dealing with new systemic events that occur far [...]
Vertical-Axis Wind Turbines for Powering Cellular Communication Towers
A vertical-axis turbine has been designed to power cellular communication towers. The turbine’s design is specifically focused on providing continuous power to manage the tower’s electronics without interfering with the tower structure. The design of [...]
Low Weight, Low Cost Commercial-Scale PV Inverter
Ideal Power Converters has developed and patented a new current-modulated electronic power converter topology that reduces the materials, manufacturing, shipping and installation cost of large-scale PV inverters. LCOE is further improved with improved efficiency and [...]
Journal: TechConnect Briefs
Volume: 3, Nanotechnology 2011: Bio Sensors, Instruments, Medical, Environment and Energy
Published: June 13, 2011
Industry sector: Energy & Sustainability
Topic: Solar Technologies
ISBN: 978-1-4398-7138-6