Results 141 to 150 of about 22,323,076 (408)

Improving Thermal and Electrical Efficiency in Photovoltaic Thermal Systems for Sustainable Cooling System Integration

open access: yesJournal of Sustainable Development of Energy, Water and Environment Systems, 2018
Research into photovoltaic thermal systems is important in solar technologies as photovoltaic thermal systems are designed to produce both electrical and thermal energy, this can lead to improved performance of the overall system.
Mohammad Alobaid   +4 more
doaj   +1 more source

Photovoltaic power system reliability considerations [PDF]

open access: yes
An example of how modern engineering and safety techniques can be used to assure the reliable and safe operation of photovoltaic power systems is presented.
Lalli, V. R.
core   +1 more source

Energy storage systems comparison for the space station [PDF]

open access: yes, 1986
An overview of the requirements, options, selection criteria and other considerations, and current status with regard to the energy storage subsystem (ESS) for the photovoltaic power system alternative for the space station is ...
Vanommering, G.
core   +1 more source

Efficient Hole Injection From Indium Tin Oxide in Quantum‐Dot Light‐Emitting Diodes

open access: yesAdvanced Functional Materials, EarlyView.
The realization of QLEDs‐based displays remains challenging due to the acidic surface from PEDOT:PSS. Here, an analysis is conducted by examining the degradation mechanism of PEDOT:PSS. By replacing PEDOT:PSS with 2BrCzPA, the formation of strong dipoles at the ITO/2BrCzPA SAM interfaces exhibits excellent hole injection abilities.
PeiLi Gao   +9 more
wiley   +1 more source

Development of an advanced photovoltaic concentrator system for space applications [PDF]

open access: yes
Recent studies indicate that significant increases in system performance (increased efficiency and reduced system mass) are possible for high power space based systems by incorporating technological developments with photovoltaic power systems.
Oneill, Mark J.   +1 more
core   +1 more source

Life cycle assessment of photovoltaic implementation: an Italian case study [PDF]

open access: yes, 2019
The energy efficiency is the possibility and ability to carry out a production process consume with the involves of less energy and minor environmental impact.
Gobbi, L., Rapa, M., Vinci, G.
core  

Engineering Active CeO2/Fe3C Interfacial Sites to Generate High‐Charge‐Density Fe for Enhanced Oxygen Reduction Reaction Efficiency

open access: yesAdvanced Functional Materials, EarlyView.
A well‐modulated CeO2/Fe3C heterostructure is successfully constructed. The electron redistribution induced by CeO2 not only enhances the formation energy of Fe vacancies and hinders the dissolution of Fe but also reduces the energy barrier of the ORR.
Peng Wang   +8 more
wiley   +1 more source

Design and fabrication of a photovoltaic power system for the Papago Indian village of Schuchuli (Gunsight), Arizona [PDF]

open access: yes
A stand alone photovoltaic power system for installation in the Papago Indian village of Schuchuli is being designed and fabricated to provide electricity for village water pumping and basic domestic needs.
Bifano, W. J.   +2 more
core   +1 more source

Built‐In Electric Field in 2D/2D LDH/Antimonene Heterostructure to Induce Stable β‐NiOOH at Ultralow Potential for Cost‐Effective Water Electrolysis

open access: yesAdvanced Functional Materials, EarlyView.
In this paper, a built‐in electric field (BEF) strategy is proposed to fabricate NiFe‐LDH/antimonene heterostructure as bifunctional electrocatalysts for oxygen evolution reaction (OER) and hydrogen evolution reaction (HER). The formed BEF generates a local potential that reduces the potential for the formation of β‐NiOOH, thereby enabling ultra‐low ...
Jingkun Wang   +11 more
wiley   +1 more source

Grid Tie Inverter in Photovoltaic System for Residential Application [PDF]

open access: yes, 2010
This paper presents a grid tie inverter (GTI) in photovoltaic, PV system for residential application. The proposed GTI will be switched with a combination switching strategy of square wave and the sinusoidal pulse width modulation, SPWM.
Tan, kheng kwang
core  

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