high efficient concentrator

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High-efficiency thin and compact concentrator ... - OSA Publishing

High-efficiency thin and compact concentrator photovoltaics with micro-solar cells directly attached to a lens array. Nobuhiko Hayashi, Daijiro Inoue, Mitsuhiro Matsumoto, Akio Matsushita, Hiroshi. Higuchi, Youichirou Aya and Tohru Nakagawa*. Advanced Technology Research Laboratories, Panasonic Corporation, Kyoto...

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Concentrator and Space Applications of High-Efficiency ... - NREL

NREL/CP-520-25410. Concentrator and Space Applications of High-Efficiency Solar Cells—. Recent Developments. S.R. Kurtz and D.J. Friedman. National Renewable Energy Laboratory. Presented at the National Center for. Photovoltaics Program Review Meeting. Denver, Colorado. September 8-11, 1998. National...

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High Efficiency Large Area Back Contact Concentrator Solar Cells ...

Very high efficiencies have been demonstrated under concentration with silicon solar cells having interdigitated contacts on the backside. However, only laboratory cells of small dimension have reached very high efficiencies. The need for developing a multilevel metallization technology for back contact concentrator solar...

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High-Efficiency Organic Solar Concentrators for Photovoltaics ...

Abstract. The cost of photovoltaic power can be reduced with organic solar concentrators. These are planar waveguides with a thin-film organic coating on the face and inorganic solar cells attached to the edges. Light is absorbed by the coating and reemitted into waveguide modes for collection by the solar cells. We report...

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HeKMod4 – Highly Efficient Concentrator Module with GaSb-Based ...

In the “HeKMod4” project, an innovative concentrator module with a target efficiency of 36 % to 39 % is developed.

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High efficiency concentrator solar cells and modules - Phys.org

May 19, 2010 ... The combination of highly efficient cells with a lens amplifier ensures that - in comparison to conventional solar modules - only one five-hundredth of the semiconductor surface will be needed. The cells within their own specially designed concentrator modules measure only three square millimeters in size.

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1 Design and Analysis of a High-Efficiency, Cost-Effective Solar ...

Design and Analysis of a High-Efficiency, Cost-Effective Solar Concentrator. John H. Reif. Department of Computer Science,. Duke University, Durham, NC 27707 USA and. Adjunct Faculty of Computing and Information Technology (FCIT),. King Abdulaziz University (KAU), Jeddah, Kingdom of Saudi Arabia reif@cs.duke.

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High-efficiency luminescent solar concentrators for flexible ...

Here we present a new concept on lightweight and mechanically flexible high-performance waveguiding photovoltaics through the fabrication of cylindrical luminescent solar concentrators (LSCs) of commercial poly(methyl methacrylate)-based plastic optical fibers coated with an Eu3+-doped organic–inorganic hybrid layer.

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High efficiency concentrator solar cells and modules - YouTube

Jan 4, 2012 ... Solar energy will play a crucial role in the energy mix of tomorrow as solar energy is available in unlimited quantities. With the aid of concentrator solar ...

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Development of high efficiency wafer bonded 4-junction solar cells ...

Abstract: The next generation of multi-junction concentrator solar cells will have to reach higher efficiencies than today's devices. At the same time these solar cells must be reliable in the field, be manufacturable with good yield and at sufficiently low cost. Inevitably the request of higher efficiency requires four or even more...

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Hybrid Perovskite Thin Films as Highly Efficient Luminescent Solar ...

Sep 26, 2016 ... Hybrid Perovskite Thin Films as Highly Efficient Luminescent Solar Concentrators ... Possessing high refractive index, broad absorption spectrum, and superior quantum yields, hybrid PVSK thin films are theoretically also ideal candidates for luminescent solar concentrators (LSCs). In practice, however, the...

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Millenium M10 Stationary Oxygen Concentrator- Efficient High-Flow

Highest performing & most reliable stationary home oxygen concentrator, the Millennium M10 features up to 10 lpm. View at Alick's Home Medical now!

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Band-Gap-Engineered Architectures for High-Efficiency ...

Advanced Photovoltaics, Fundamental Studies, Band-Gap-Engineered Architectures for High-Efficiency Multijunction Concentrator Solar Cells.

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High-efficiency, multijunction solar cells for large-scale solar ...

The essence of high efficiency. – Choice of materials & quality of materials. – Success so far - 39%. • Material quality. – Avoid defects causing non-radiative recombination. • High-efficiency cells for the future. – Limited only by our creativity to combine high-quality materials. • The promise of concentrator systems...

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Ultra-Light, Low-Cost Solar Concentrator Offers ... - NASA

Unparalleled Efficiency and Performance. Affordable Green Energy Technology from NASA/Entech Solar. Technology developed through multiple, related Small. Business Innovation Research (SBIR) contracts with. Entech® Solar, Inc. in partnership with NASA's Glenn. Research Center has produced a high-performance,.

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High efficiency photovoltaics - University of Delaware

article details the potential contribution of high-efficiency PV based on different materials to realize such a decline and a ... the research and development opportunities for high-efficiency PV and projects the required efficiency-price ...... is to use low-cost optical concentrators to reduce the required area of solar cells, which...

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Engineering highly efficient Eu(iii)-based tri-ureasil hybrids toward ...

The possibility of FtU5Eu-II to be used as a luminescent solar concentrator was evaluated and an optical conversion efficiency of ∼9% as well as an ability to boost up the Si-photovoltaic cell output to 0.5% were verified. Graphical abstract: Engineering highly efficient Eu(iii)-based tri-ureasil hybrids. This article is part of the...

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ECO-WORTHY High Efficiency Oxygen Concentrator Oxygen ...

ECO-WORTHY High Efficiency Oxygen Concentrator Oxygen Generator 3L/M Portable + Battery New and other Home & Farm Appliances on sale.

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Sterically Engineered Perylene Dyes for High Efficiency Oriented ...

Jan 6, 2014 ... Near Infrared, Highly Efficient Luminescent Solar Concentrators. Yufeng Zhou , Daniele Benetti , Zhiyuan Fan , Haiguang Zhao , Dongling Ma , Alexander O. Govorov , Alberto Vomiero , Federico Rosei. Advanced Energy Materials 2016 6 (11), 1501913...

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Analysis of Optical Losses in High-Efficiency CuInS2-Based ...

Jan 23, 2017 ... Luminescent solar concentrators (LSCs) use down-converting luminophores embedded in a waveguide to absorb sunlight and deliver high irradiance, narrowband output light for driving photovoltaic and other solar energy conversion devices. Achieving a technologically useful level of optical gain requires...

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A Cheaper Solar Concentrator - MIT Technology Review

Feb 20, 2009 ... A new light-guiding optic combines low cost with high efficiency.

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949 Experimental demonstration of a dispersive spectral splitting ...

Feb 5, 2018 ... Experimental demonstration of a dispersive spectral splitting concentrator for high efficiency photovoltaics. Carlo Maragliano1, Matteo Chiesa1 and Marco Stefancich2*. 1 Laboratory for Energy and NanoScience (LENS), Center for Future Energy Systems (iFES),. Masdar Institute of Science and Technology...

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Integrated Solar Thermochemical Reaction System for High ...

methane; 400 kW s. Sandia and DLR 1990s. • Solar CO. 2 reforming of methane; 150 kW s concentrator; chemical efficiency of 54%. DLR and CIEMAT 1990s. • Solar steam reforming of methane; 170 kW s. ; highest methane conversion at 93%. DOE Hydrogen Program 2000s. • Several solar water-splitting investigations...

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Home Oxygen Concentrator SALE Stationary Oxygen Concentrator ...

Home Oxygen Concentrators ON SALE 5 Liter Oxygen Concentrators, 10 Liter Oxygen Concentrators, High FLow Oxygen, DISCOUNT Millennium M10, Platinum 10, EverFlo, NewLife ... Most power-efficient on the market; Compact, lightweight cabinet design; Near silent operation with a low sound level of just 40 dBA...

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Design and Manufacture of Aspheric Lenses for Novel High Efficient ...

Dec 19, 2017 ... Full-text (PDF) | Within this project novel high efficient photovoltaic concentrator modules composed of a TIR-R (total internal reflection -refraction) lens system and small GaAs solar cells were designed and manufactured. Main objective was the development of a photovoltaic system with an effici...

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Breakthrough Solar Concentrator:low cost with high efficiency ...

Feb 20, 2009 ... Most concentrators tend to be complex systems that use special lenses, curved mirrors, and other optical components with a “nonzero” focal length. This means that there must be enough distance–an air gap–between the solar cell and the optic to properly focus the light. As a result, concentrator-based...

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Which Home Oxygen Concentrator is Right for You

Whether the user needs a concentrator that is easy to store, energy efficient, lightweight, or even for use at high altitudes, an HOC exists that can be customized to any situation. Oxygen Tanks can be volatile, and they need to be refilled. A portable oxygen concentrator (POC) is great for mobility, but because they are created...

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High-efficiency thin and compact concentrator photovoltaics using ...

Feb 5, 2014 ... High-efficiency thin and compact concentrator photovoltaics using micro-solar cells with via-holes sandwiched between thin lens-array and circuit board. Akihiro Itou1, Tetsuya Asano1, Daijiro Inoue1, Hidekazu Arase1, Akio Matsushita1, Nobuhiko Hayashi1, Ryutaro Futakuchi1, Kazuo Inoue1, Masaki...

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Wavy waveguide offers bright future for high efficiency solar cells ...

Oct 13, 2011 ... Scientists show that solar concentrators that don't need to track the sun may …

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Advantages of Concentrator Photovoltaic System in High Solar ...

expected to achieve exceptionally high efficiency of. 50% or more in the near future through further tech- nology development.(6). Current megawatt-class solar power stations use. Si-PV modules, the conversion efficiency of which is mostly 15% to 17%. Concentrator photovoltaics generate electric power using lenses that...

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Rotor & VOC Concentrator| Emission Concentration

Various Zeolite options to prevent polymerization; Complete turnkey packages including all utilities and ductwork; High-efficiency filter plenums; Numerous options for source of desorption air heat; Regenerative Thermal Oxidizers (RTO's), Thermal Recuperative Oxidizers and Catalytic Recuperative Oxidizers can be...

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Optics for High-Efficiency Full Spectrum Photovoltaics ...

Next, a design incorporating dichroic filters, seven subcells with bandgaps spanning the solar spectrum, and concentrators with efficiency potential exceeding 45% module efficiency is presented. While prototyping this design, we also used on-going cost-modeling to ensure that our design was on-track to be a high-volume...

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CECA's Siliporite® molecular sieves for medical oxygen concentrator

Discover the extent of CECA's expertise in molecular sieves for medical oxygen concentrator. ... the patient with portability, low power consumption and very quiet operating levels. With its complete line of Nitroxy molecular sieves, CECA is the partner of choice for the development of highly efficient oxygen concentrators.

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IMPROVEMENTS IN SUNLIGHT TO ELECTRICITY ... - RayGen

further sunlight conversion efficiency improvements, both by extending the above approach and by applying similarly innovative ideas to one-sun modules, with >30% minimodule efficiency recently demonstrated. Keywords: High-Efficiency, Concentrators, Solar Cell Efficiencies. 1 SPECTRAL-SPLITTING APPROACHES.

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EverGo Portable Oxygen Concentrator by Philips Respironics ...

Jun 24, 2015 ... Also, patients can save money in the long term by switching to more compact, modern and highly efficient portable oxygen concentrators such as the EverGo. People who enjoy travelling, will find the EverGo portable oxygen concentrator extremely useful. The patients can now have freedom of mobility,...

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Concentrators - Oxygen - Respiratory | Drive Medical

Integrated PulseDose® oxygen conserving technology recognized for clinically effective pulse-dose oxygen delivery extends the use time of the DeVilbiss iGo Portable Oxygen System, offering a clinically sound and highly efficient ambulatory oxygen system Built-in OSD® (oxygen sensing device) ensures accurate oxygen...

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High-efficiency concentrator - Zhengzhou Hengxing Heavy ...

1) Flocculent to increase the size diameter of sedimentation solid particle so as to accelerate sedimentation speed;2) Install inclined plate to shorten the sedimentation distance of particles so as t.

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High efficiency and high concentration in photovoltaics - Electron ...

Their use in terrestrial applications will likely be for concentrators operating at very high concentrations. Some trends are also discussed and we present a cost calculation showing that highly efficient cells under very high concentration would be able to produce electricity at costs competitive with electricity generation costs...

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Portable Oxygen Concentrators for Sale | Inogen

Learn more about oxygen concentrator solutions for both portable and stationary use from the official Inogen website.

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The 5 Best Oxygen Concentrators - Rehabmart.com

May 11, 2017 ... The Respironics Millenium M10 Oxygen Concentrator provides up to 10 LPM of oxygen, giving it the specs of “a high flow” unit. The concentrator is .... The Perfecto 2 5-Liter Oxygen Concentrator is a small, quiet, and energy efficient machine ranking number two in our review! Similar to the Invacare...

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