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The vanadium redox-battery: An efficient storage unit for photovoltaic systems …
The ''all vanadium redox flow system'' is a promising candidate for the storage of photovoltaic energy. The reversible cell voltage of 1.3–1.4 V in charged state is well established at ...
Electrolyte engineering for efficient and stable vanadium redox …
During electrolysis, protons are generated at the positive electrode and consumed at the negative electrode, leading to the highest solution conductivity for VO 2 + different SOCs, V 2+ is produced during the charge process and the protons will cross the membrane to balance the internal circuits, resulting in higher conductivity for V 2+.
Solution-processed silicon/SnCl2-treated Ti3C2Tx MXene Schottky junction solar cells …
Science China Materials - In this study, a novel photovoltaic cell based on the Ti3C2Tx MXene/n-type silicon (n-Si) Schottky junction is developed by a simple solution-processed method of... Contributions Author contributions Yao X participated in the design of this study, conducted the experiments, performed data analysis and drafted the …
Energies | Free Full-Text | Mathematical Modeling and …
The vanadium-titanium black ceramic (VTBC) coating on all-ceramic solar collectors has both high absorptance (0.94) and high emissivity (90%). However, the thermal conductivity of ceramic is very …
China''s First Vanadium Battery Industry-Specific Policy Issued — …
On May 8th, the Sichuan Provincial Department of Economy and Information Technology and six other departments jointly issued the "Implementation Plan for Promoting High-Quality Development of the Vanadium Battery Storage Industry" (hereinafter referred to as the "Implementation Plan&q
Towards a new generation of solar cells: silicon supersaturated …
implanted with vanadium (V) and titanium (Ti) at different doses and subsequently processed by pulsed-laser melting. Samples with V and Ti concentration clearly above
Improved photovoltaic performance of perovskite solar cells by …
Perovskite solar cells assembled with titanium dioxide electron transport layer exhibited brilliant photovoltaic properties due to titanium dioxide having a high electron mobility, appropriate energy level alignment and easy fabrication procedure. However, inherent instability exists in titanium dioxide-base
High-efficiency CNT-Si solar cells based on a collaborative system enabled by oxide penetration …
Carbon nanotube-silicon (CNT-Si) solar cells represent one of the alternative photovoltaic techniques with potential for low cost and high efficiency. Here, we report a method to improve solar cell performance by depositing conventional transitional metal oxides such as WO3 and establishing a collaborative system, in which CNTs are …
Coaxial titanium vanadium nitride core–sheath nanofiberswith enhanced electrocatalytic activity for …
Coaxial titanium vanadium nitride core–sheath nanofibers (VN@TiN) with mesoporous structure are fabricated and explored as efficient Pt-free counter electrodes (CEs) for Dye-sensitized Solar Cells (DSCs). For these nanofibers, the TiN core is …
Research Article Preparation and characterization of vanadium-implanted silicon for intermediate band solar cell …
Fig. 1 illustrates the principle of the intermediate band solar cell. Fig. 1(a) shows the single photon absorption path of traditional solar cells, and Fig. 1(b) shows that the intermediate-band photovoltaic cells add two …
Synergistic effect of vanadium tungsten oxide nanocomposites for enhanced photocatalysis and photovoltaic …
The vanadium tungsten oxide NCs electrode, which is made of tungsten, vanadium, and platinum, exhibits a better PCE, longer lifetime, and greater conversion efficiency of 5.02% than bare tungsten and vanadium PCE (2.48% for VW4 and 5.02%).
On the Effect of Impurities on the Photovoltaic Behavior of Solar …
To this purpose, silicon was doped with increasing amounts of titanium, vanadium, chromium, iron, and zirconium, and the diffusion length of minority carriers was …
Atomic Layer Deposition of Vanadium Oxide as Hole‐Selective Contact for Crystalline Silicon Solar Cells
In this work, vanadium oxide (VO x) deposited by atomic layer deposition (ALD) is investigated and optimized as a potential hole-selective contact for c-Si solar cells. ALD VO x films are demonstrated to simultaneously offer a good surface passivation and an acceptable contact resistivity (ρ c ) on c -Si, achieving a best contact recombination …
Structural and Optical Properties of Nonstoichiometric Titanium Hydride, Vanadium Hydride and Zirconium Hydride as Hot Carrier Solar Cell ...
Photovoltaic devices directly convert incident solar energy to electricity. Above bandgap incident photons excite carriers (electron and holes) deep into their respective bands. These excited carriers are called hot carriers and they undergo several physical loss processes to lose their excess energy to the lattice and thermalize to the band edge. In conventional …
Vanadium and tantalum doping of tin dioxide: a theoretical study
In the present density functional theory (DFT) study, we focus on the investigation of vanadium (V) and tantalum (Ta) doped SnO2 both in the bulk and the surface.
Synthesis of titanium-doped CdIn2S4 thin film and its photoelectric properties for intermediate band solar cells …
How to make photovoltaic cells have higher photoelectric conversion efficiency is a technical problem that researchers in the photovoltaic field have been taking effort for many years. The concept of intermediate band (IB) [1] has brought a new approach to this field, and the relevant theoretical analysis [2–5] and experimental verification [6–9] …
Preparation and characterization of vanadium-implanted silicon …
In this paper, we attempted to prepare the intermediate band photovoltaic materials with supersaturated vanadium-doped silicon by ion implantation and rapid …
Transition metal oxides as the buffer layer for polymer photovoltaic cells
AB - Polymer-based photovoltaic cells have been fabricated by inserting a thin, transparent, transition metal oxide layer between the transparent anode (indium tin oxide) and the polymer layer. Two different transition metal oxides, namely vanadium oxide and molybdenum oxide, were used and the device performance was compared.
Exploring vanadium-chalcogenides toward solar cell application: …
As discussed above, vanadium chalcogenides show several properties, like optical, electrochemical, conducting, and solar cell (photovoltaic) properties that …
Preparation and characterization of vanadium-implanted silicon for intermediate band solar cell …
The preparation of intermediate band materials is a key for intermediate band solar cell applications. In this paper, we attempted to prepare the intermediate band photovoltaic materials with supersaturated vanadium-doped …
Nanostructured Titania−Polymer Photovoltaic Devices Made …
The nanostructured devices showed a 2-fold improvement in both short-circuit current ( Jsc) and power conversion efficiency (PCE) relative to reference bilayer cells. Additionally, the …
One-dimensional TiO 2 nanotube array photoanode for a …
In this work, a highly efficient TiO 2 nanotube array photoanode prepared by anodizing treatment of titanium foil is developed for an all-vanadium photoelectrochemical cell with …
NiOx/MoOx bilayer as an efficient hole-selective …
Li et al. report a NiOx/MoOx bilayer as an efficient hole-selective contact in p-Si heterojunction solar cells, delivering an efficiency of 21.31%. Inserting an additional ultra-thin SiOx tunneling layer further …